7280 lines
165 KiB
C
7280 lines
165 KiB
C
/*
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* $Id: run.c 496 2008-12-15 09:56:48Z baconevi $
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*
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* {License}
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*/
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#include "awk.h"
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#ifdef DEBUG_RUN
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#include <qse/utl/stdio.h>
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#endif
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#define CMP_ERROR -99
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#define DEF_BUF_CAPA 256
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#define STACK_INCREMENT 512
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#define IDXBUFSIZE 64
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#define MMGR(run) ((run)->awk->mmgr)
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#define CCLS(run) ((run)->awk->ccls)
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#define STACK_AT(run,n) ((run)->stack[(run)->stack_base+(n)])
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#define STACK_NARGS(run) (STACK_AT(run,3))
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#define STACK_ARG(run,n) STACK_AT(run,3+1+(n))
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#define STACK_LOCAL(run,n) STACK_AT(run,3+(qse_size_t)STACK_NARGS(run)+1+(n))
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#define STACK_RETVAL(run) STACK_AT(run,2)
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#define STACK_GLOBAL(run,n) ((run)->stack[(n)])
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#define STACK_RETVAL_GLOBAL(run) ((run)->stack[(run)->awk->tree.nglobals+2])
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enum exit_level_t
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{
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EXIT_NONE,
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EXIT_BREAK,
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EXIT_CONTINUE,
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EXIT_FUNCTION,
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EXIT_NEXT,
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EXIT_GLOBAL,
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EXIT_ABORT
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};
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#define DEFAULT_CONVFMT QSE_T("%.6g")
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#define DEFAULT_OFMT QSE_T("%.6g")
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#define DEFAULT_OFS QSE_T(" ")
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#define DEFAULT_ORS QSE_T("\n")
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#define DEFAULT_ORS_CRLF QSE_T("\r\n")
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#define DEFAULT_SUBSEP QSE_T("\034")
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/* the index of a positional variable should be a positive interger
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* equal to or less than the maximum value of the type by which
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* the index is represented. but it has an extra check against the
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* maximum value of qse_size_t as the reference is represented
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* in a pointer variable of qse_awk_val_ref_t and sizeof(void*) is
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* equal to sizeof(qse_size_t). */
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#define IS_VALID_POSIDX(idx) \
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((idx) >= 0 && \
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(idx) < QSE_TYPE_MAX(qse_long_t) && \
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(idx) < QSE_TYPE_MAX(qse_size_t))
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static int set_global (
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qse_awk_run_t* run, qse_size_t idx,
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qse_awk_nde_var_t* var, qse_awk_val_t* val);
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static int init_run (
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qse_awk_run_t* run, qse_awk_t* awk,
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qse_awk_runios_t* runios, void* data);
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static void deinit_run (qse_awk_run_t* run);
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static int build_runarg (
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qse_awk_run_t* run, qse_awk_runarg_t* runarg, qse_size_t* nargs);
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static void cleanup_globals (qse_awk_run_t* run);
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static int set_globals_to_default (qse_awk_run_t* run);
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static int run_main (
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qse_awk_run_t* run, const qse_char_t* main,
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qse_awk_runarg_t* runarg);
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static int run_pattern_blocks (qse_awk_run_t* run);
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static int run_pattern_block_chain (
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qse_awk_run_t* run, qse_awk_chain_t* chain);
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static int run_pattern_block (
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qse_awk_run_t* run, qse_awk_chain_t* chain, qse_size_t block_no);
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static int run_block (qse_awk_run_t* run, qse_awk_nde_blk_t* nde);
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static int run_block0 (qse_awk_run_t* run, qse_awk_nde_blk_t* nde);
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static int run_statement (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static int run_if (qse_awk_run_t* run, qse_awk_nde_if_t* nde);
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static int run_while (qse_awk_run_t* run, qse_awk_nde_while_t* nde);
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static int run_for (qse_awk_run_t* run, qse_awk_nde_for_t* nde);
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static int run_foreach (qse_awk_run_t* run, qse_awk_nde_foreach_t* nde);
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static int run_break (qse_awk_run_t* run, qse_awk_nde_break_t* nde);
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static int run_continue (qse_awk_run_t* run, qse_awk_nde_continue_t* nde);
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static int run_return (qse_awk_run_t* run, qse_awk_nde_return_t* nde);
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static int run_exit (qse_awk_run_t* run, qse_awk_nde_exit_t* nde);
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static int run_next (qse_awk_run_t* run, qse_awk_nde_next_t* nde);
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static int run_nextfile (qse_awk_run_t* run, qse_awk_nde_nextfile_t* nde);
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static int run_delete (qse_awk_run_t* run, qse_awk_nde_delete_t* nde);
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static int run_reset (qse_awk_run_t* run, qse_awk_nde_reset_t* nde);
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static int run_print (qse_awk_run_t* run, qse_awk_nde_print_t* nde);
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static int run_printf (qse_awk_run_t* run, qse_awk_nde_print_t* nde);
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static int output_formatted (
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qse_awk_run_t* run, int out_type, const qse_char_t* dst,
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const qse_char_t* fmt, qse_size_t fmt_len, qse_awk_nde_t* args);
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static qse_awk_val_t* eval_expression (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_expression0 (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_group (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_assignment (
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qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* do_assignment (
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qse_awk_run_t* run, qse_awk_nde_t* var, qse_awk_val_t* val);
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static qse_awk_val_t* do_assignment_scalar (
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qse_awk_run_t* run, qse_awk_nde_var_t* var, qse_awk_val_t* val);
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static qse_awk_val_t* do_assignment_map (
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qse_awk_run_t* run, qse_awk_nde_var_t* var, qse_awk_val_t* val);
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static qse_awk_val_t* do_assignment_pos (
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qse_awk_run_t* run, qse_awk_nde_pos_t* pos, qse_awk_val_t* val);
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static qse_awk_val_t* eval_binary (
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qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_binop_lor (
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qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right);
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static qse_awk_val_t* eval_binop_land (
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qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right);
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static qse_awk_val_t* eval_binop_in (
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qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right);
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static qse_awk_val_t* eval_binop_bor (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_bxor (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_band (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_eq (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_ne (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_gt (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_ge (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_lt (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_le (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_lshift (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_rshift (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_plus (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_minus (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_mul (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_div (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_idiv (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_mod (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_exp (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_concat (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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static qse_awk_val_t* eval_binop_ma (
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qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right);
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static qse_awk_val_t* eval_binop_nm (
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qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right);
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static qse_awk_val_t* eval_binop_match0 (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right,
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qse_size_t lline, qse_size_t rline, int ret);
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static qse_awk_val_t* eval_unary (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_incpre (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_incpst (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_cnd (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_afn_intrinsic (
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qse_awk_run_t* run, qse_awk_nde_t* nde,
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void(*errhandler)(void*), void* eharg);
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static qse_awk_val_t* eval_bfn (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_afn (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_call (
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qse_awk_run_t* run, qse_awk_nde_t* nde,
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const qse_char_t* bfn_arg_spec, qse_awk_afn_t* afn,
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void(*errhandler)(void*), void* eharg);
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static int get_reference (
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qse_awk_run_t* run, qse_awk_nde_t* nde, qse_awk_val_t*** ref);
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static qse_awk_val_t** get_reference_indexed (
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qse_awk_run_t* run, qse_awk_nde_var_t* nde, qse_awk_val_t** val);
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static qse_awk_val_t* eval_int (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_real (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_str (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_rex (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_named (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_global (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_local (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_arg (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_namedidx (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_globalidx (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_localidx (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_argidx (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_pos (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static qse_awk_val_t* eval_getline (qse_awk_run_t* run, qse_awk_nde_t* nde);
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static int __raw_push (qse_awk_run_t* run, void* val);
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#define __raw_pop(run) \
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do { \
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QSE_ASSERT ((run)->stack_top > (run)->stack_base); \
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(run)->stack_top--; \
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} while (0)
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static void __raw_pop_times (qse_awk_run_t* run, qse_size_t times);
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static int read_record (qse_awk_run_t* run);
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static int shorten_record (qse_awk_run_t* run, qse_size_t nflds);
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static qse_char_t* idxnde_to_str (
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qse_awk_run_t* run, qse_awk_nde_t* nde, qse_char_t* buf, qse_size_t* len);
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typedef qse_awk_val_t* (*binop_func_t) (
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qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right);
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typedef qse_awk_val_t* (*eval_expr_t) (qse_awk_run_t* run, qse_awk_nde_t* nde);
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qse_size_t qse_awk_getnargs (qse_awk_run_t* run)
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{
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return (qse_size_t) STACK_NARGS (run);
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}
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qse_awk_val_t* qse_awk_getarg (qse_awk_run_t* run, qse_size_t idx)
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{
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return STACK_ARG (run, idx);
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}
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qse_awk_val_t* qse_awk_getglobal (qse_awk_run_t* run, int id)
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{
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QSE_ASSERT (id >= 0 && id < (int)qse_awk_tab_getsize(&run->awk->parse.globals));
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return STACK_GLOBAL (run, id);
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}
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int qse_awk_setglobal (qse_awk_run_t* run, int id, qse_awk_val_t* val)
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{
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QSE_ASSERT (id >= 0 && id < (int)qse_awk_tab_getsize(&run->awk->parse.globals));
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return set_global (run, (qse_size_t)id, QSE_NULL, val);
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}
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static int set_global (
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qse_awk_run_t* run, qse_size_t idx,
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qse_awk_nde_var_t* var, qse_awk_val_t* val)
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{
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qse_awk_val_t* old;
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old = STACK_GLOBAL (run, idx);
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if (old->type == QSE_AWK_VAL_MAP)
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{
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/* once a variable becomes a map,
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* it cannot be changed to a scalar variable */
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if (var != QSE_NULL)
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{
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/* global variable */
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qse_cstr_t errarg;
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errarg.ptr = var->id.name.ptr;
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errarg.len = var->id.name.len;
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qse_awk_setrunerror (run,
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QSE_AWK_EMAPTOSCALAR, var->line, &errarg, 1);
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}
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else
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{
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/* qse_awk_setglobal has been called */
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qse_cstr_t errarg;
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errarg.ptr = qse_awk_getglobalname (
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run->awk, idx, &errarg.len);
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qse_awk_setrunerror (run,
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QSE_AWK_EMAPTOSCALAR, 0, &errarg, 1);
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}
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return -1;
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}
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/* builtin variables except ARGV cannot be assigned a map */
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if (val->type == QSE_AWK_VAL_MAP &&
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(idx >= QSE_AWK_GLOBAL_ARGC && idx <= QSE_AWK_GLOBAL_SUBSEP) &&
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idx != QSE_AWK_GLOBAL_ARGV)
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{
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/* TODO: better error code */
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qse_awk_setrunerrnum (run, QSE_AWK_ESCALARTOMAP);
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return -1;
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}
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if (idx == QSE_AWK_GLOBAL_CONVFMT)
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{
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qse_char_t* convfmt_ptr;
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qse_size_t convfmt_len, i;
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convfmt_ptr = qse_awk_valtostr (run,
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val, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &convfmt_len);
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if (convfmt_ptr == QSE_NULL) return -1;
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for (i = 0; i < convfmt_len; i++)
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{
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if (convfmt_ptr[i] == QSE_T('\0'))
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{
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QSE_AWK_FREE (run->awk, convfmt_ptr);
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qse_awk_setrunerrnum (run, QSE_AWK_ECONVFMTCHR);
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return -1;
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}
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}
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if (run->global.convfmt.ptr != QSE_NULL)
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QSE_AWK_FREE (run->awk, run->global.convfmt.ptr);
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run->global.convfmt.ptr = convfmt_ptr;
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run->global.convfmt.len = convfmt_len;
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}
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else if (idx == QSE_AWK_GLOBAL_FNR)
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{
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int n;
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qse_long_t lv;
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qse_real_t rv;
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n = qse_awk_valtonum (run, val, &lv, &rv);
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if (n == -1) return -1;
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if (n == 1) lv = (qse_long_t)rv;
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run->global.fnr = lv;
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}
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else if (idx == QSE_AWK_GLOBAL_FS)
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{
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qse_char_t* fs_ptr;
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qse_size_t fs_len;
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if (val->type == QSE_AWK_VAL_STR)
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|
{
|
|
fs_ptr = ((qse_awk_val_str_t*)val)->buf;
|
|
fs_len = ((qse_awk_val_str_t*)val)->len;
|
|
}
|
|
else
|
|
{
|
|
/* due to the expression evaluation rule, the
|
|
* regular expression can not be an assigned value */
|
|
QSE_ASSERT (val->type != QSE_AWK_VAL_REX);
|
|
|
|
fs_ptr = qse_awk_valtostr (
|
|
run, val, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &fs_len);
|
|
if (fs_ptr == QSE_NULL) return -1;
|
|
}
|
|
|
|
if (fs_len > 1)
|
|
{
|
|
void* rex;
|
|
|
|
/* compile the regular expression */
|
|
/* TODO: use safebuild */
|
|
rex = QSE_AWK_BUILDREX (
|
|
run->awk, fs_ptr, fs_len, &run->errnum);
|
|
if (rex == QSE_NULL)
|
|
{
|
|
if (val->type != QSE_AWK_VAL_STR)
|
|
QSE_AWK_FREE (run->awk, fs_ptr);
|
|
return -1;
|
|
}
|
|
|
|
if (run->global.fs != QSE_NULL)
|
|
{
|
|
QSE_AWK_FREEREX (run->awk, run->global.fs);
|
|
}
|
|
run->global.fs = rex;
|
|
}
|
|
|
|
if (val->type != QSE_AWK_VAL_STR) QSE_AWK_FREE (run->awk, fs_ptr);
|
|
}
|
|
else if (idx == QSE_AWK_GLOBAL_IGNORECASE)
|
|
{
|
|
if ((val->type == QSE_AWK_VAL_INT &&
|
|
((qse_awk_val_int_t*)val)->val != 0) ||
|
|
(val->type == QSE_AWK_VAL_REAL &&
|
|
((qse_awk_val_real_t*)val)->val != 0.0) ||
|
|
(val->type == QSE_AWK_VAL_STR &&
|
|
((qse_awk_val_str_t*)val)->len != 0))
|
|
{
|
|
run->global.ignorecase = 1;
|
|
}
|
|
else
|
|
{
|
|
run->global.ignorecase = 0;
|
|
}
|
|
}
|
|
else if (idx == QSE_AWK_GLOBAL_NF)
|
|
{
|
|
int n;
|
|
qse_long_t lv;
|
|
qse_real_t rv;
|
|
|
|
n = qse_awk_valtonum (run, val, &lv, &rv);
|
|
if (n == -1) return -1;
|
|
if (n == 1) lv = (qse_long_t)rv;
|
|
|
|
if (lv < (qse_long_t)run->inrec.nflds)
|
|
{
|
|
if (shorten_record (run, (qse_size_t)lv) == -1)
|
|
{
|
|
/* adjust the error line */
|
|
if (var != QSE_NULL) run->errlin = var->line;
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
else if (idx == QSE_AWK_GLOBAL_NR)
|
|
{
|
|
int n;
|
|
qse_long_t lv;
|
|
qse_real_t rv;
|
|
|
|
n = qse_awk_valtonum (run, val, &lv, &rv);
|
|
if (n == -1) return -1;
|
|
if (n == 1) lv = (qse_long_t)rv;
|
|
|
|
run->global.nr = lv;
|
|
}
|
|
else if (idx == QSE_AWK_GLOBAL_OFMT)
|
|
{
|
|
qse_char_t* ofmt_ptr;
|
|
qse_size_t ofmt_len, i;
|
|
|
|
ofmt_ptr = qse_awk_valtostr (
|
|
run, val, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &ofmt_len);
|
|
if (ofmt_ptr == QSE_NULL) return -1;
|
|
|
|
for (i = 0; i < ofmt_len; i++)
|
|
{
|
|
if (ofmt_ptr[i] == QSE_T('\0'))
|
|
{
|
|
QSE_AWK_FREE (run->awk, ofmt_ptr);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOFMTCHR);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (run->global.ofmt.ptr != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, run->global.ofmt.ptr);
|
|
run->global.ofmt.ptr = ofmt_ptr;
|
|
run->global.ofmt.len = ofmt_len;
|
|
}
|
|
else if (idx == QSE_AWK_GLOBAL_OFS)
|
|
{
|
|
qse_char_t* ofs_ptr;
|
|
qse_size_t ofs_len;
|
|
|
|
ofs_ptr = qse_awk_valtostr (
|
|
run, val, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &ofs_len);
|
|
if (ofs_ptr == QSE_NULL) return -1;
|
|
|
|
if (run->global.ofs.ptr != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, run->global.ofs.ptr);
|
|
run->global.ofs.ptr = ofs_ptr;
|
|
run->global.ofs.len = ofs_len;
|
|
}
|
|
else if (idx == QSE_AWK_GLOBAL_ORS)
|
|
{
|
|
qse_char_t* ors_ptr;
|
|
qse_size_t ors_len;
|
|
|
|
ors_ptr = qse_awk_valtostr (
|
|
run, val, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &ors_len);
|
|
if (ors_ptr == QSE_NULL) return -1;
|
|
|
|
if (run->global.ors.ptr != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, run->global.ors.ptr);
|
|
run->global.ors.ptr = ors_ptr;
|
|
run->global.ors.len = ors_len;
|
|
}
|
|
else if (idx == QSE_AWK_GLOBAL_RS)
|
|
{
|
|
qse_char_t* rs_ptr;
|
|
qse_size_t rs_len;
|
|
|
|
if (val->type == QSE_AWK_VAL_STR)
|
|
{
|
|
rs_ptr = ((qse_awk_val_str_t*)val)->buf;
|
|
rs_len = ((qse_awk_val_str_t*)val)->len;
|
|
}
|
|
else
|
|
{
|
|
/* due to the expression evaluation rule, the
|
|
* regular expression can not be an assigned value */
|
|
QSE_ASSERT (val->type != QSE_AWK_VAL_REX);
|
|
|
|
rs_ptr = qse_awk_valtostr (
|
|
run, val, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &rs_len);
|
|
if (rs_ptr == QSE_NULL) return -1;
|
|
}
|
|
|
|
if (rs_len > 1)
|
|
{
|
|
void* rex;
|
|
|
|
/* compile the regular expression */
|
|
/* TODO: use safebuild */
|
|
rex = QSE_AWK_BUILDREX (
|
|
run->awk, rs_ptr, rs_len, &run->errnum);
|
|
if (rex == QSE_NULL)
|
|
{
|
|
if (val->type != QSE_AWK_VAL_STR)
|
|
QSE_AWK_FREE (run->awk, rs_ptr);
|
|
return -1;
|
|
}
|
|
|
|
if (run->global.rs != QSE_NULL)
|
|
{
|
|
QSE_AWK_FREEREX (run->awk, run->global.rs);
|
|
}
|
|
run->global.rs = rex;
|
|
}
|
|
|
|
if (val->type != QSE_AWK_VAL_STR) QSE_AWK_FREE (run->awk, rs_ptr);
|
|
}
|
|
else if (idx == QSE_AWK_GLOBAL_SUBSEP)
|
|
{
|
|
qse_char_t* subsep_ptr;
|
|
qse_size_t subsep_len;
|
|
|
|
subsep_ptr = qse_awk_valtostr (
|
|
run, val, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &subsep_len);
|
|
if (subsep_ptr == QSE_NULL) return -1;
|
|
|
|
if (run->global.subsep.ptr != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, run->global.subsep.ptr);
|
|
run->global.subsep.ptr = subsep_ptr;
|
|
run->global.subsep.len = subsep_len;
|
|
}
|
|
|
|
qse_awk_refdownval (run, old);
|
|
STACK_GLOBAL(run,idx) = val;
|
|
qse_awk_refupval (run, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void qse_awk_setretval (qse_awk_run_t* run, qse_awk_val_t* val)
|
|
{
|
|
qse_awk_refdownval (run, STACK_RETVAL(run));
|
|
STACK_RETVAL(run) = val;
|
|
/* should use the same trick as run_return */
|
|
qse_awk_refupval (run, val);
|
|
}
|
|
|
|
int qse_awk_setfilename (
|
|
qse_awk_run_t* run, const qse_char_t* name, qse_size_t len)
|
|
{
|
|
qse_awk_val_t* tmp;
|
|
int n;
|
|
|
|
if (len == 0) tmp = qse_awk_val_zls;
|
|
else
|
|
{
|
|
tmp = qse_awk_makestrval (run, name, len);
|
|
if (tmp == QSE_NULL) return -1;
|
|
}
|
|
|
|
qse_awk_refupval (run, tmp);
|
|
n = qse_awk_setglobal (run, QSE_AWK_GLOBAL_FILENAME, tmp);
|
|
qse_awk_refdownval (run, tmp);
|
|
|
|
return n;
|
|
}
|
|
|
|
int qse_awk_setofilename (
|
|
qse_awk_run_t* run, const qse_char_t* name, qse_size_t len)
|
|
{
|
|
qse_awk_val_t* tmp;
|
|
int n;
|
|
|
|
if (run->awk->option & QSE_AWK_NEXTOFILE)
|
|
{
|
|
if (len == 0) tmp = qse_awk_val_zls;
|
|
else
|
|
{
|
|
tmp = qse_awk_makestrval (run, name, len);
|
|
if (tmp == QSE_NULL) return -1;
|
|
}
|
|
|
|
qse_awk_refupval (run, tmp);
|
|
n = qse_awk_setglobal (run, QSE_AWK_GLOBAL_OFILENAME, tmp);
|
|
qse_awk_refdownval (run, tmp);
|
|
}
|
|
else n = 0;
|
|
|
|
return n;
|
|
}
|
|
|
|
qse_awk_t* qse_awk_getrunawk (qse_awk_run_t* run)
|
|
{
|
|
return run->awk;
|
|
}
|
|
|
|
qse_mmgr_t* qse_awk_getrunmmgr (qse_awk_run_t* run)
|
|
{
|
|
return run->awk->mmgr;
|
|
}
|
|
|
|
void* qse_awk_getrundata (qse_awk_run_t* run)
|
|
{
|
|
return run->data;
|
|
}
|
|
|
|
qse_map_t* qse_awk_getrunnvmap (qse_awk_run_t* run)
|
|
{
|
|
return run->named;
|
|
}
|
|
|
|
int qse_awk_run (qse_awk_t* awk,
|
|
const qse_char_t* main,
|
|
qse_awk_runios_t* runios,
|
|
qse_awk_runcbs_t* runcbs,
|
|
qse_awk_runarg_t* runarg,
|
|
void* data)
|
|
{
|
|
qse_awk_run_t* run;
|
|
int n;
|
|
|
|
QSE_ASSERTX (awk->ccls != QSE_NULL, "Call qse_setccls() first");
|
|
QSE_ASSERTX (awk->prmfns != QSE_NULL, "Call qse_setprmfns() first");
|
|
|
|
/* clear the awk error code */
|
|
qse_awk_seterror (awk, QSE_AWK_ENOERR, 0, QSE_NULL, 0);
|
|
|
|
/* check if the code has ever been parsed */
|
|
if (awk->tree.nglobals == 0 &&
|
|
awk->tree.begin == QSE_NULL &&
|
|
awk->tree.end == QSE_NULL &&
|
|
awk->tree.chain_size == 0 &&
|
|
qse_map_getsize(awk->tree.afns) == 0)
|
|
{
|
|
/* if not, deny the run */
|
|
qse_awk_seterror (awk, QSE_AWK_ENOPER, 0, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
/* allocate the storage for the run object */
|
|
run = (qse_awk_run_t*) QSE_AWK_ALLOC (awk, QSE_SIZEOF(qse_awk_run_t));
|
|
if (run == QSE_NULL)
|
|
{
|
|
/* if it fails, the failure is reported thru
|
|
* the awk object */
|
|
qse_awk_seterror (awk, QSE_AWK_ENOMEM, 0, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
/* clear the run object space */
|
|
QSE_MEMSET (run, 0, QSE_SIZEOF(qse_awk_run_t));
|
|
|
|
/* initialize the run object */
|
|
if (init_run (run, awk, runios, data) == -1)
|
|
{
|
|
QSE_AWK_FREE (awk, run);
|
|
return -1;
|
|
}
|
|
|
|
/* clear the run error */
|
|
run->errnum = QSE_AWK_ENOERR;
|
|
run->errlin = 0;
|
|
run->errmsg[0] = QSE_T('\0');
|
|
|
|
run->cbs = runcbs;
|
|
|
|
/* execute the start callback if it exists */
|
|
if (runcbs != QSE_NULL && runcbs->on_start != QSE_NULL)
|
|
{
|
|
runcbs->on_start (run, runcbs->data);
|
|
}
|
|
|
|
/* enter the main run loop */
|
|
n = run_main (run, main, runarg);
|
|
if (n == -1)
|
|
{
|
|
/* if no callback is specified, awk's error number
|
|
* is updated with the run's error number */
|
|
if (runcbs == QSE_NULL)
|
|
{
|
|
awk->errnum = run->errnum;
|
|
awk->errlin = run->errlin;
|
|
|
|
qse_strxcpy (
|
|
awk->errmsg, QSE_COUNTOF(awk->errmsg),
|
|
run->errmsg);
|
|
}
|
|
else
|
|
{
|
|
qse_awk_seterrnum (awk, QSE_AWK_ERUNTIME);
|
|
}
|
|
}
|
|
|
|
/* the run loop ended. execute the end callback if it exists */
|
|
if (runcbs != QSE_NULL && runcbs->on_end != QSE_NULL)
|
|
{
|
|
if (n == 0)
|
|
{
|
|
/* clear error if run is successful just in case */
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOERR);
|
|
}
|
|
|
|
runcbs->on_end (run,
|
|
((n == -1)? run->errnum: QSE_AWK_ENOERR),
|
|
runcbs->data);
|
|
|
|
/* when using callbacks, this function always returns 0
|
|
* after the start callbacks has been triggered */
|
|
n = 0;
|
|
}
|
|
|
|
/* uninitialize the run object */
|
|
deinit_run (run);
|
|
|
|
QSE_AWK_FREE (awk, run);
|
|
return n;
|
|
}
|
|
|
|
void qse_awk_stop (qse_awk_run_t* run)
|
|
{
|
|
run->exit_level = EXIT_ABORT;
|
|
}
|
|
|
|
qse_bool_t qse_awk_isstop (qse_awk_run_t* run)
|
|
{
|
|
return (run->exit_level == EXIT_ABORT || run->awk->stopall);
|
|
}
|
|
|
|
static void free_namedval (qse_map_t* map, void* dptr, qse_size_t dlen)
|
|
{
|
|
qse_awk_refdownval (
|
|
*(qse_awk_run_t**)QSE_MAP_XTN(map), dptr);
|
|
}
|
|
|
|
static void same_namedval (qse_map_t* map, void* dptr, qse_size_t dlen)
|
|
{
|
|
qse_awk_refdownval_nofree (
|
|
*(qse_awk_run_t**)QSE_MAP_XTN(map), dptr);
|
|
}
|
|
|
|
static int init_run (
|
|
qse_awk_run_t* run, qse_awk_t* awk,
|
|
qse_awk_runios_t* runios, void* data)
|
|
{
|
|
run->awk = awk;
|
|
run->data = data;
|
|
|
|
run->stack = QSE_NULL;
|
|
run->stack_top = 0;
|
|
run->stack_base = 0;
|
|
run->stack_limit = 0;
|
|
|
|
run->exit_level = EXIT_NONE;
|
|
|
|
run->fcache_count = 0;
|
|
/*run->scache32_count = 0;
|
|
run->scache64_count = 0;*/
|
|
run->vmgr.ichunk = QSE_NULL;
|
|
run->vmgr.ifree = QSE_NULL;
|
|
run->vmgr.rchunk = QSE_NULL;
|
|
run->vmgr.rfree = QSE_NULL;
|
|
|
|
run->errnum = QSE_AWK_ENOERR;
|
|
run->errlin = 0;
|
|
run->errmsg[0] = QSE_T('\0');
|
|
|
|
run->inrec.buf_pos = 0;
|
|
run->inrec.buf_len = 0;
|
|
run->inrec.flds = QSE_NULL;
|
|
run->inrec.nflds = 0;
|
|
run->inrec.maxflds = 0;
|
|
run->inrec.d0 = qse_awk_val_nil;
|
|
if (qse_str_init (
|
|
&run->inrec.line, MMGR(run), DEF_BUF_CAPA) == QSE_NULL)
|
|
{
|
|
qse_awk_seterror (awk, QSE_AWK_ENOMEM, 0, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
if (qse_str_init (&run->format.out, MMGR(run), 256) == QSE_NULL)
|
|
{
|
|
qse_str_fini (&run->inrec.line);
|
|
qse_awk_seterror (awk, QSE_AWK_ENOMEM, 0, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
if (qse_str_init (&run->format.fmt, MMGR(run), 256) == QSE_NULL)
|
|
{
|
|
qse_str_fini (&run->format.out);
|
|
qse_str_fini (&run->inrec.line);
|
|
qse_awk_seterror (awk, QSE_AWK_ENOMEM, 0, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
run->named = qse_map_open (
|
|
MMGR(run), QSE_SIZEOF(run), 1024, 70);
|
|
if (run->named == QSE_NULL)
|
|
{
|
|
qse_str_fini (&run->format.fmt);
|
|
qse_str_fini (&run->format.out);
|
|
qse_str_fini (&run->inrec.line);
|
|
qse_awk_seterror (awk, QSE_AWK_ENOMEM, 0, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
*(qse_awk_run_t**)QSE_MAP_XTN(run->named) = run;
|
|
qse_map_setcopier (run->named, QSE_MAP_KEY, QSE_MAP_COPIER_INLINE);
|
|
qse_map_setfreeer (run->named, QSE_MAP_VAL, free_namedval);
|
|
qse_map_setkeeper (run->named, same_namedval);
|
|
qse_map_setscale (run->named, QSE_MAP_KEY, QSE_SIZEOF(qse_char_t));
|
|
|
|
run->format.tmp.ptr = (qse_char_t*)
|
|
QSE_AWK_ALLOC (run->awk, 4096*QSE_SIZEOF(qse_char_t*));
|
|
if (run->format.tmp.ptr == QSE_NULL)
|
|
{
|
|
qse_map_close (run->named);
|
|
qse_str_fini (&run->format.fmt);
|
|
qse_str_fini (&run->format.out);
|
|
qse_str_fini (&run->inrec.line);
|
|
qse_awk_seterror (awk, QSE_AWK_ENOMEM, 0, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
run->format.tmp.len = 4096;
|
|
run->format.tmp.inc = 4096*2;
|
|
|
|
if (run->awk->tree.chain_size > 0)
|
|
{
|
|
run->pattern_range_state = (qse_byte_t*) QSE_AWK_ALLOC (
|
|
run->awk, run->awk->tree.chain_size*QSE_SIZEOF(qse_byte_t));
|
|
if (run->pattern_range_state == QSE_NULL)
|
|
{
|
|
QSE_AWK_FREE (run->awk, run->format.tmp.ptr);
|
|
qse_map_close (run->named);
|
|
qse_str_fini (&run->format.fmt);
|
|
qse_str_fini (&run->format.out);
|
|
qse_str_fini (&run->inrec.line);
|
|
qse_awk_seterror (awk, QSE_AWK_ENOMEM, 0, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
QSE_MEMSET (
|
|
run->pattern_range_state, 0,
|
|
run->awk->tree.chain_size * QSE_SIZEOF(qse_byte_t));
|
|
}
|
|
else run->pattern_range_state = QSE_NULL;
|
|
|
|
if (runios != QSE_NULL)
|
|
{
|
|
run->extio.handler[QSE_AWK_EXTIO_PIPE] = runios->pipe;
|
|
run->extio.handler[QSE_AWK_EXTIO_COPROC] = runios->coproc;
|
|
run->extio.handler[QSE_AWK_EXTIO_FILE] = runios->file;
|
|
run->extio.handler[QSE_AWK_EXTIO_CONSOLE] = runios->console;
|
|
run->extio.data = runios->data;
|
|
run->extio.chain = QSE_NULL;
|
|
}
|
|
|
|
run->global.rs = QSE_NULL;
|
|
run->global.fs = QSE_NULL;
|
|
run->global.ignorecase = 0;
|
|
|
|
run->depth.max.block = awk->run.depth.max.block;
|
|
run->depth.max.expr = awk->run.depth.max.expr;
|
|
run->depth.cur.block = 0;
|
|
run->depth.cur.expr = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void deinit_run (qse_awk_run_t* run)
|
|
{
|
|
if (run->pattern_range_state != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, run->pattern_range_state);
|
|
|
|
/* close all pending extio's */
|
|
/* TODO: what if this operation fails? */
|
|
qse_awk_clearextio (run);
|
|
QSE_ASSERT (run->extio.chain == QSE_NULL);
|
|
|
|
if (run->global.rs != QSE_NULL)
|
|
{
|
|
QSE_AWK_FREE (run->awk, run->global.rs);
|
|
run->global.rs = QSE_NULL;
|
|
}
|
|
if (run->global.fs != QSE_NULL)
|
|
{
|
|
QSE_AWK_FREE (run->awk, run->global.fs);
|
|
run->global.fs = QSE_NULL;
|
|
}
|
|
|
|
if (run->global.convfmt.ptr != QSE_NULL &&
|
|
run->global.convfmt.ptr != DEFAULT_CONVFMT)
|
|
{
|
|
QSE_AWK_FREE (run->awk, run->global.convfmt.ptr);
|
|
run->global.convfmt.ptr = QSE_NULL;
|
|
run->global.convfmt.len = 0;
|
|
}
|
|
|
|
if (run->global.ofmt.ptr != QSE_NULL &&
|
|
run->global.ofmt.ptr != DEFAULT_OFMT)
|
|
{
|
|
QSE_AWK_FREE (run->awk, run->global.ofmt.ptr);
|
|
run->global.ofmt.ptr = QSE_NULL;
|
|
run->global.ofmt.len = 0;
|
|
}
|
|
|
|
if (run->global.ofs.ptr != QSE_NULL &&
|
|
run->global.ofs.ptr != DEFAULT_OFS)
|
|
{
|
|
QSE_AWK_FREE (run->awk, run->global.ofs.ptr);
|
|
run->global.ofs.ptr = QSE_NULL;
|
|
run->global.ofs.len = 0;
|
|
}
|
|
|
|
if (run->global.ors.ptr != QSE_NULL &&
|
|
run->global.ors.ptr != DEFAULT_ORS &&
|
|
run->global.ors.ptr != DEFAULT_ORS_CRLF)
|
|
{
|
|
QSE_AWK_FREE (run->awk, run->global.ors.ptr);
|
|
run->global.ors.ptr = QSE_NULL;
|
|
run->global.ors.len = 0;
|
|
}
|
|
|
|
if (run->global.subsep.ptr != QSE_NULL &&
|
|
run->global.subsep.ptr != DEFAULT_SUBSEP)
|
|
{
|
|
QSE_AWK_FREE (run->awk, run->global.subsep.ptr);
|
|
run->global.subsep.ptr = QSE_NULL;
|
|
run->global.subsep.len = 0;
|
|
}
|
|
|
|
QSE_AWK_FREE (run->awk, run->format.tmp.ptr);
|
|
run->format.tmp.ptr = QSE_NULL;
|
|
run->format.tmp.len = 0;
|
|
qse_str_fini (&run->format.fmt);
|
|
qse_str_fini (&run->format.out);
|
|
|
|
/* destroy input record. qse_awk_clrrec should be called
|
|
* before the run stack has been destroyed because it may try
|
|
* to change the value to QSE_AWK_GLOBAL_NF. */
|
|
qse_awk_clrrec (run, QSE_FALSE);
|
|
if (run->inrec.flds != QSE_NULL)
|
|
{
|
|
QSE_AWK_FREE (run->awk, run->inrec.flds);
|
|
run->inrec.flds = QSE_NULL;
|
|
run->inrec.maxflds = 0;
|
|
}
|
|
qse_str_fini (&run->inrec.line);
|
|
|
|
/* destroy run stack */
|
|
if (run->stack != QSE_NULL)
|
|
{
|
|
QSE_ASSERT (run->stack_top == 0);
|
|
|
|
QSE_AWK_FREE (run->awk, run->stack);
|
|
run->stack = QSE_NULL;
|
|
run->stack_top = 0;
|
|
run->stack_base = 0;
|
|
run->stack_limit = 0;
|
|
}
|
|
|
|
/* destroy named variables */
|
|
qse_map_close (run->named);
|
|
|
|
/* destroy values in free list */
|
|
while (run->fcache_count > 0)
|
|
{
|
|
qse_awk_val_ref_t* tmp = run->fcache[--run->fcache_count];
|
|
qse_awk_freeval (run, (qse_awk_val_t*)tmp, QSE_FALSE);
|
|
}
|
|
|
|
/*while (run->scache32_count > 0)
|
|
{
|
|
qse_awk_val_str_t* tmp = run->scache32[--run->scache32_count];
|
|
qse_awk_freeval (run, (qse_awk_val_t*)tmp, QSE_FALSE);
|
|
}
|
|
|
|
while (run->scache64_count > 0)
|
|
{
|
|
qse_awk_val_str_t* tmp = run->scache64[--run->scache64_count];
|
|
qse_awk_freeval (run, (qse_awk_val_t*)tmp, QSE_FALSE);
|
|
}*/
|
|
|
|
qse_awk_freevalchunk (run, run->vmgr.ichunk);
|
|
qse_awk_freevalchunk (run, run->vmgr.rchunk);
|
|
run->vmgr.ichunk = QSE_NULL;
|
|
run->vmgr.rchunk = QSE_NULL;
|
|
}
|
|
|
|
static int build_runarg (
|
|
qse_awk_run_t* run, qse_awk_runarg_t* runarg, qse_size_t* nargs)
|
|
{
|
|
qse_awk_runarg_t* p;
|
|
qse_size_t argc;
|
|
qse_awk_val_t* v_argc;
|
|
qse_awk_val_t* v_argv;
|
|
qse_awk_val_t* v_tmp;
|
|
qse_char_t key[QSE_SIZEOF(qse_long_t)*8+2];
|
|
qse_size_t key_len;
|
|
|
|
v_argv = qse_awk_makemapval (run);
|
|
if (v_argv == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, v_argv);
|
|
|
|
if (runarg == QSE_NULL) argc = 0;
|
|
else
|
|
{
|
|
for (argc = 0, p = runarg; p->ptr != QSE_NULL; argc++, p++)
|
|
{
|
|
v_tmp = qse_awk_makestrval (run, p->ptr, p->len);
|
|
if (v_tmp == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, v_argv);
|
|
return -1;
|
|
}
|
|
|
|
if (qse_awk_getoption(run->awk) & QSE_AWK_BASEONE)
|
|
{
|
|
key_len = qse_awk_longtostr (argc+1,
|
|
10, QSE_NULL, key, QSE_COUNTOF(key));
|
|
}
|
|
else
|
|
{
|
|
key_len = qse_awk_longtostr (argc,
|
|
10, QSE_NULL, key, QSE_COUNTOF(key));
|
|
}
|
|
QSE_ASSERT (key_len != (qse_size_t)-1);
|
|
|
|
/* increment reference count of v_tmp in advance as if
|
|
* it has successfully been assigned into ARGV. */
|
|
qse_awk_refupval (run, v_tmp);
|
|
|
|
if (qse_map_upsert (
|
|
((qse_awk_val_map_t*)v_argv)->map,
|
|
key, key_len, v_tmp, 0) == QSE_NULL)
|
|
{
|
|
/* if the assignment operation fails, decrements
|
|
* the reference of v_tmp to free it */
|
|
qse_awk_refdownval (run, v_tmp);
|
|
|
|
/* the values previously assigned into the
|
|
* map will be freeed when v_argv is freed */
|
|
qse_awk_refdownval (run, v_argv);
|
|
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
v_argc = qse_awk_makeintval (run, (qse_long_t)argc);
|
|
if (v_argc == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, v_argv);
|
|
return -1;
|
|
}
|
|
|
|
qse_awk_refupval (run, v_argc);
|
|
|
|
QSE_ASSERT (
|
|
STACK_GLOBAL(run,QSE_AWK_GLOBAL_ARGC) == qse_awk_val_nil);
|
|
|
|
if (qse_awk_setglobal (run, QSE_AWK_GLOBAL_ARGC, v_argc) == -1)
|
|
{
|
|
qse_awk_refdownval (run, v_argc);
|
|
qse_awk_refdownval (run, v_argv);
|
|
return -1;
|
|
}
|
|
|
|
if (qse_awk_setglobal (run, QSE_AWK_GLOBAL_ARGV, v_argv) == -1)
|
|
{
|
|
/* ARGC is assigned nil when ARGV assignment has failed.
|
|
* However, this requires preconditions, as follows:
|
|
* 1. build_runarg should be called in a proper place
|
|
* as it is not a generic-purpose routine.
|
|
* 2. ARGC should be nil before build_runarg is called
|
|
* If the restoration fails, nothing can salvage it. */
|
|
qse_awk_setglobal (run, QSE_AWK_GLOBAL_ARGC, qse_awk_val_nil);
|
|
qse_awk_refdownval (run, v_argc);
|
|
qse_awk_refdownval (run, v_argv);
|
|
return -1;
|
|
}
|
|
|
|
qse_awk_refdownval (run, v_argc);
|
|
qse_awk_refdownval (run, v_argv);
|
|
|
|
*nargs = argc;
|
|
return 0;
|
|
}
|
|
|
|
static void cleanup_globals (qse_awk_run_t* run)
|
|
{
|
|
qse_size_t nglobals = run->awk->tree.nglobals;
|
|
while (nglobals > 0)
|
|
{
|
|
--nglobals;
|
|
qse_awk_refdownval (run, STACK_GLOBAL(run,nglobals));
|
|
STACK_GLOBAL (run, nglobals) = qse_awk_val_nil;
|
|
}
|
|
}
|
|
|
|
static int update_fnr (qse_awk_run_t* run, qse_long_t fnr, qse_long_t nr)
|
|
{
|
|
qse_awk_val_t* tmp1, * tmp2;
|
|
|
|
tmp1 = qse_awk_makeintval (run, fnr);
|
|
if (tmp1 == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, tmp1);
|
|
|
|
if (nr == fnr) tmp2 = tmp1;
|
|
else
|
|
{
|
|
tmp2 = qse_awk_makeintval (run, nr);
|
|
if (tmp2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, tmp1);
|
|
return -1;
|
|
}
|
|
|
|
qse_awk_refupval (run, tmp2);
|
|
}
|
|
|
|
|
|
if (qse_awk_setglobal (run, QSE_AWK_GLOBAL_FNR, tmp1) == -1)
|
|
{
|
|
if (nr != fnr) qse_awk_refdownval (run, tmp2);
|
|
qse_awk_refdownval (run, tmp1);
|
|
return -1;
|
|
}
|
|
|
|
if (qse_awk_setglobal (run, QSE_AWK_GLOBAL_NR, tmp2) == -1)
|
|
{
|
|
if (nr != fnr) qse_awk_refdownval (run, tmp2);
|
|
qse_awk_refdownval (run, tmp1);
|
|
return -1;
|
|
}
|
|
|
|
if (nr != fnr) qse_awk_refdownval (run, tmp2);
|
|
qse_awk_refdownval (run, tmp1);
|
|
return 0;
|
|
}
|
|
|
|
static int set_globals_to_default (qse_awk_run_t* run)
|
|
{
|
|
struct gtab_t
|
|
{
|
|
int idx;
|
|
const qse_char_t* str;
|
|
} gtab[] =
|
|
{
|
|
{ QSE_AWK_GLOBAL_CONVFMT, DEFAULT_CONVFMT },
|
|
{ QSE_AWK_GLOBAL_FILENAME, QSE_NULL },
|
|
{ QSE_AWK_GLOBAL_OFILENAME, QSE_NULL },
|
|
{ QSE_AWK_GLOBAL_OFMT, DEFAULT_OFMT },
|
|
{ QSE_AWK_GLOBAL_OFS, DEFAULT_OFS },
|
|
{ QSE_AWK_GLOBAL_ORS, DEFAULT_ORS },
|
|
{ QSE_AWK_GLOBAL_SUBSEP, DEFAULT_SUBSEP },
|
|
};
|
|
|
|
qse_awk_val_t* tmp;
|
|
qse_size_t i, j;
|
|
|
|
if (run->awk->option & QSE_AWK_CRLF)
|
|
{
|
|
/* ugly */
|
|
gtab[5].str = DEFAULT_ORS_CRLF;
|
|
}
|
|
|
|
for (i = 0; i < QSE_COUNTOF(gtab); i++)
|
|
{
|
|
if (gtab[i].str == QSE_NULL || gtab[i].str[0] == QSE_T('\0'))
|
|
{
|
|
tmp = qse_awk_val_zls;
|
|
}
|
|
else
|
|
{
|
|
tmp = qse_awk_makestrval0 (run, gtab[i].str);
|
|
if (tmp == QSE_NULL) return -1;
|
|
}
|
|
|
|
qse_awk_refupval (run, tmp);
|
|
|
|
QSE_ASSERT (
|
|
STACK_GLOBAL(run,gtab[i].idx) == qse_awk_val_nil);
|
|
|
|
if (qse_awk_setglobal (run, gtab[i].idx, tmp) == -1)
|
|
{
|
|
for (j = 0; j < i; j++)
|
|
{
|
|
qse_awk_setglobal (
|
|
run, gtab[i].idx, qse_awk_val_nil);
|
|
}
|
|
|
|
qse_awk_refdownval (run, tmp);
|
|
return -1;
|
|
}
|
|
|
|
qse_awk_refdownval (run, tmp);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct capture_retval_data_t
|
|
{
|
|
qse_awk_run_t* run;
|
|
qse_awk_val_t* val;
|
|
};
|
|
|
|
static void capture_retval_on_exit (void* arg)
|
|
{
|
|
struct capture_retval_data_t* data;
|
|
|
|
data = (struct capture_retval_data_t*)arg;
|
|
data->val = STACK_RETVAL(data->run);
|
|
qse_awk_refupval (data->run, data->val);
|
|
}
|
|
|
|
static int run_main (
|
|
qse_awk_run_t* run, const qse_char_t* main,
|
|
qse_awk_runarg_t* runarg)
|
|
{
|
|
qse_size_t nglobals, nargs, nrunargs, i;
|
|
qse_size_t saved_stack_top;
|
|
qse_awk_val_t* v;
|
|
int n;
|
|
|
|
QSE_ASSERT (run->stack_base == 0 && run->stack_top == 0);
|
|
|
|
/* secure space for global variables */
|
|
saved_stack_top = run->stack_top;
|
|
|
|
nglobals = run->awk->tree.nglobals;
|
|
|
|
while (nglobals > 0)
|
|
{
|
|
--nglobals;
|
|
if (__raw_push(run,qse_awk_val_nil) == -1)
|
|
{
|
|
/* restore the stack_top with the saved value
|
|
* instead of calling __raw_pop as many times as
|
|
* the successful __raw_push. it is ok because
|
|
* the values pushed so far are all qse_awk_val_nil */
|
|
run->stack_top = saved_stack_top;
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (qse_awk_setglobal (run, QSE_AWK_GLOBAL_NF, qse_awk_val_zero) == -1)
|
|
{
|
|
/* it can simply restore the top of the stack this way
|
|
* because the values pused onto the stack so far are
|
|
* all qse_awk_val_nils and qse_awk_val_zeros */
|
|
run->stack_top = saved_stack_top;
|
|
return -1;
|
|
}
|
|
|
|
if (build_runarg (run, runarg, &nrunargs) == -1)
|
|
{
|
|
/* it can simply restore the top of the stack this way
|
|
* because the values pused onto the stack so far are
|
|
* all qse_awk_val_nils and qse_awk_val_zeros and
|
|
* build_runarg doesn't push other values than them
|
|
* when it has failed */
|
|
run->stack_top = saved_stack_top;
|
|
return -1;
|
|
}
|
|
|
|
run->exit_level = EXIT_NONE;
|
|
|
|
n = update_fnr (run, 0, 0);
|
|
if (n == 0) n = set_globals_to_default (run);
|
|
if (n == 0 && main != QSE_NULL)
|
|
{
|
|
/* run the given function */
|
|
struct capture_retval_data_t crdata;
|
|
qse_awk_nde_call_t nde;
|
|
|
|
nde.type = QSE_AWK_NDE_AFN;
|
|
nde.line = 0;
|
|
nde.next = QSE_NULL;
|
|
nde.what.afn.name.ptr = (qse_char_t*)main;
|
|
nde.what.afn.name.len = qse_strlen(main);
|
|
|
|
nde.args = QSE_NULL;
|
|
nde.nargs = 0;
|
|
|
|
if (runarg != QSE_NULL)
|
|
{
|
|
|
|
if (!(run->awk->option & QSE_AWK_ARGSTOMAIN))
|
|
{
|
|
/* if the option is not set, the arguments
|
|
* are not passed to the main function as
|
|
* parameters */
|
|
nrunargs = 0;
|
|
}
|
|
|
|
/* prepare to pass the arguments to the main function */
|
|
for (i = nrunargs; i > 0; )
|
|
{
|
|
qse_awk_nde_str_t* tmp, * tmp2;
|
|
|
|
i--;
|
|
tmp = (qse_awk_nde_str_t*) QSE_AWK_ALLOC (
|
|
run->awk, QSE_SIZEOF(*tmp));
|
|
if (tmp == QSE_NULL)
|
|
{
|
|
tmp = (qse_awk_nde_str_t*)nde.args;
|
|
while (tmp != QSE_NULL)
|
|
{
|
|
tmp2 = (qse_awk_nde_str_t*)tmp->next;
|
|
QSE_AWK_FREE (run->awk, tmp->buf);
|
|
QSE_AWK_FREE (run->awk, tmp);
|
|
tmp = tmp2;
|
|
}
|
|
cleanup_globals (run);
|
|
run->stack_top = saved_stack_top;
|
|
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
tmp->type = QSE_AWK_NDE_STR;
|
|
tmp->buf = QSE_AWK_STRXDUP (run->awk,
|
|
runarg[i].ptr, runarg[i].len);
|
|
if (tmp->buf == QSE_NULL)
|
|
{
|
|
QSE_AWK_FREE (run->awk, tmp);
|
|
tmp = (qse_awk_nde_str_t*)nde.args;
|
|
while (tmp != QSE_NULL)
|
|
{
|
|
tmp2 = (qse_awk_nde_str_t*)tmp->next;
|
|
QSE_AWK_FREE (run->awk, tmp->buf);
|
|
QSE_AWK_FREE (run->awk, tmp);
|
|
tmp = tmp2;
|
|
}
|
|
cleanup_globals (run);
|
|
run->stack_top = saved_stack_top;
|
|
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
tmp->len = runarg[i].len;
|
|
tmp->next = nde.args;
|
|
nde.args = (qse_awk_nde_t*)tmp;
|
|
nde.nargs++;
|
|
}
|
|
|
|
QSE_ASSERT (nrunargs == nde.nargs);
|
|
}
|
|
|
|
crdata.run = run;
|
|
crdata.val = QSE_NULL;
|
|
v = eval_afn_intrinsic (run, (qse_awk_nde_t*)&nde,
|
|
capture_retval_on_exit, &crdata);
|
|
if (v == QSE_NULL)
|
|
{
|
|
if (crdata.val == QSE_NULL)
|
|
{
|
|
QSE_ASSERT (run->errnum != QSE_AWK_ENOERR);
|
|
n = -1;
|
|
}
|
|
else
|
|
{
|
|
if (run->errnum == QSE_AWK_ENOERR)
|
|
{
|
|
if (run->cbs != QSE_NULL && run->cbs->on_return != QSE_NULL)
|
|
{
|
|
run->cbs->on_return (run, crdata.val, run->cbs->data);
|
|
}
|
|
}
|
|
else n = -1;
|
|
|
|
qse_awk_refdownval(run, crdata.val);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qse_awk_refupval (run, v);
|
|
|
|
if (run->cbs != QSE_NULL && run->cbs->on_return != QSE_NULL)
|
|
{
|
|
run->cbs->on_return (run, v, run->cbs->data);
|
|
}
|
|
|
|
qse_awk_refdownval (run, v);
|
|
}
|
|
|
|
if (nde.args != QSE_NULL) qse_awk_clrpt (run->awk, nde.args);
|
|
}
|
|
else if (n == 0)
|
|
{
|
|
qse_awk_nde_t* nde;
|
|
|
|
/* no main function is specified.
|
|
* run the normal patter blocks including BEGIN and END */
|
|
saved_stack_top = run->stack_top;
|
|
|
|
if (__raw_push(run,(void*)run->stack_base) == -1)
|
|
{
|
|
/* restore the stack top in a cheesy(?) way */
|
|
run->stack_top = saved_stack_top;
|
|
/* pops off global variables in a decent way */
|
|
cleanup_globals (run);
|
|
__raw_pop_times (run, run->awk->tree.nglobals);
|
|
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
if (__raw_push(run,(void*)saved_stack_top) == -1)
|
|
{
|
|
run->stack_top = saved_stack_top;
|
|
cleanup_globals (run);
|
|
__raw_pop_times (run, run->awk->tree.nglobals);
|
|
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
/* secure space for a return value */
|
|
if (__raw_push(run,qse_awk_val_nil) == -1)
|
|
{
|
|
run->stack_top = saved_stack_top;
|
|
cleanup_globals (run);
|
|
__raw_pop_times (run, run->awk->tree.nglobals);
|
|
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
/* secure space for nargs */
|
|
if (__raw_push(run,qse_awk_val_nil) == -1)
|
|
{
|
|
run->stack_top = saved_stack_top;
|
|
cleanup_globals (run);
|
|
__raw_pop_times (run, run->awk->tree.nglobals);
|
|
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
run->stack_base = saved_stack_top;
|
|
|
|
/* set nargs to zero */
|
|
nargs = 0;
|
|
STACK_NARGS(run) = (void*)nargs;
|
|
|
|
/* stack set up properly. ready to exeucte statement blocks */
|
|
for (nde = run->awk->tree.begin;
|
|
n == 0 && nde != QSE_NULL && run->exit_level < EXIT_GLOBAL;
|
|
nde = nde->next)
|
|
{
|
|
qse_awk_nde_blk_t* blk;
|
|
|
|
blk = (qse_awk_nde_blk_t*)nde;
|
|
QSE_ASSERT (blk->type == QSE_AWK_NDE_BLK);
|
|
|
|
run->active_block = blk;
|
|
run->exit_level = EXIT_NONE;
|
|
if (run_block (run, blk) == -1) n = -1;
|
|
}
|
|
|
|
if (n == -1 && run->errnum == QSE_AWK_ENOERR)
|
|
{
|
|
/* an error is returned with no error number set.
|
|
* this feature is used by eval_expression to
|
|
* abort the evaluation when exit() is executed
|
|
* during function evaluation */
|
|
n = 0;
|
|
run->errlin = 0;
|
|
run->errmsg[0] = QSE_T('\0');
|
|
}
|
|
|
|
if (n == 0 &&
|
|
(run->awk->tree.chain != QSE_NULL ||
|
|
run->awk->tree.end != QSE_NULL) &&
|
|
run->exit_level < EXIT_GLOBAL)
|
|
{
|
|
if (run_pattern_blocks (run) == -1) n = -1;
|
|
}
|
|
|
|
if (n == -1 && run->errnum == QSE_AWK_ENOERR)
|
|
{
|
|
/* an error is returned with no error number set.
|
|
* this feature is used by eval_expression to
|
|
* abort the evaluation when exit() is executed
|
|
* during function evaluation */
|
|
n = 0;
|
|
run->errlin = 0;
|
|
run->errmsg[0] = QSE_T('\0');
|
|
}
|
|
|
|
/* the first END block is executed if the program is not
|
|
* explicitly aborted with qse_awk_stop */
|
|
for (nde = run->awk->tree.end;
|
|
n == 0 && nde != QSE_NULL && run->exit_level < EXIT_ABORT;
|
|
nde = nde->next)
|
|
{
|
|
qse_awk_nde_blk_t* blk;
|
|
|
|
blk = (qse_awk_nde_blk_t*)nde;
|
|
QSE_ASSERT (blk->type == QSE_AWK_NDE_BLK);
|
|
|
|
run->active_block = blk;
|
|
run->exit_level = EXIT_NONE;
|
|
if (run_block (run, blk) == -1) n = -1;
|
|
else if (run->exit_level >= EXIT_GLOBAL)
|
|
{
|
|
/* once exit is called inside one of END blocks,
|
|
* subsequent END blocks must not be executed */
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (n == -1 && run->errnum == QSE_AWK_ENOERR)
|
|
{
|
|
/* an error is returned with no error number set.
|
|
* this feature is used by eval_expression to
|
|
* abort the evaluation when exit() is executed
|
|
* during function evaluation */
|
|
n = 0;
|
|
run->errlin = 0;
|
|
run->errmsg[0] = QSE_T('\0');
|
|
}
|
|
|
|
/* restore stack */
|
|
nargs = (qse_size_t)STACK_NARGS(run);
|
|
QSE_ASSERT (nargs == 0);
|
|
for (i = 0; i < nargs; i++)
|
|
{
|
|
qse_awk_refdownval (run, STACK_ARG(run,i));
|
|
}
|
|
|
|
v = STACK_RETVAL(run);
|
|
if (n == 0)
|
|
{
|
|
if (run->cbs != QSE_NULL && run->cbs->on_return != QSE_NULL)
|
|
{
|
|
run->cbs->on_return (run, v, run->cbs->data);
|
|
}
|
|
}
|
|
/* end the life of the global return value */
|
|
qse_awk_refdownval (run, v);
|
|
|
|
run->stack_top =
|
|
(qse_size_t)run->stack[run->stack_base+1];
|
|
run->stack_base =
|
|
(qse_size_t)run->stack[run->stack_base+0];
|
|
}
|
|
|
|
/* pops off the global variables */
|
|
nglobals = run->awk->tree.nglobals;
|
|
while (nglobals > 0)
|
|
{
|
|
--nglobals;
|
|
qse_awk_refdownval (run, STACK_GLOBAL(run,nglobals));
|
|
__raw_pop (run);
|
|
}
|
|
|
|
/* reset the exit level */
|
|
run->exit_level = EXIT_NONE;
|
|
|
|
return n;
|
|
}
|
|
|
|
static int run_pattern_blocks (qse_awk_run_t* run)
|
|
{
|
|
int n;
|
|
|
|
#define ADJUST_ERROR_LINE(run) \
|
|
if (run->awk->tree.chain != QSE_NULL) \
|
|
{ \
|
|
if (run->awk->tree.chain->pattern != QSE_NULL) \
|
|
run->errlin = run->awk->tree.chain->pattern->line; \
|
|
else if (run->awk->tree.chain->action != QSE_NULL) \
|
|
run->errlin = run->awk->tree.chain->action->line; \
|
|
} \
|
|
else if (run->awk->tree.end != QSE_NULL) \
|
|
{ \
|
|
run->errlin = run->awk->tree.end->line; \
|
|
}
|
|
|
|
run->inrec.buf_pos = 0;
|
|
run->inrec.buf_len = 0;
|
|
run->inrec.eof = QSE_FALSE;
|
|
|
|
/* run each pattern block */
|
|
while (run->exit_level < EXIT_GLOBAL)
|
|
{
|
|
run->exit_level = EXIT_NONE;
|
|
|
|
n = read_record (run);
|
|
if (n == -1)
|
|
{
|
|
ADJUST_ERROR_LINE (run);
|
|
return -1; /* error */
|
|
}
|
|
if (n == 0) break; /* end of input */
|
|
|
|
if (update_fnr (run, run->global.fnr+1, run->global.nr+1) == -1)
|
|
{
|
|
ADJUST_ERROR_LINE (run);
|
|
return -1;
|
|
}
|
|
|
|
if (run->awk->tree.chain != QSE_NULL)
|
|
{
|
|
if (run_pattern_block_chain (
|
|
run, run->awk->tree.chain) == -1) return -1;
|
|
}
|
|
}
|
|
|
|
#undef ADJUST_ERROR_LINE
|
|
return 0;
|
|
}
|
|
|
|
static int run_pattern_block_chain (qse_awk_run_t* run, qse_awk_chain_t* chain)
|
|
{
|
|
qse_size_t block_no = 0;
|
|
|
|
while (run->exit_level < EXIT_GLOBAL && chain != QSE_NULL)
|
|
{
|
|
if (run->exit_level == EXIT_NEXT)
|
|
{
|
|
run->exit_level = EXIT_NONE;
|
|
break;
|
|
}
|
|
|
|
if (run_pattern_block (run, chain, block_no) == -1) return -1;
|
|
|
|
chain = chain->next;
|
|
block_no++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int run_pattern_block (
|
|
qse_awk_run_t* run, qse_awk_chain_t* chain, qse_size_t block_no)
|
|
{
|
|
qse_awk_nde_t* ptn;
|
|
qse_awk_nde_blk_t* blk;
|
|
|
|
ptn = chain->pattern;
|
|
blk = (qse_awk_nde_blk_t*)chain->action;
|
|
|
|
if (ptn == QSE_NULL)
|
|
{
|
|
/* just execute the block */
|
|
run->active_block = blk;
|
|
if (run_block (run, blk) == -1) return -1;
|
|
}
|
|
else
|
|
{
|
|
if (ptn->next == QSE_NULL)
|
|
{
|
|
/* pattern { ... } */
|
|
qse_awk_val_t* v1;
|
|
|
|
v1 = eval_expression (run, ptn);
|
|
if (v1 == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, v1);
|
|
|
|
if (qse_awk_valtobool (run, v1))
|
|
{
|
|
run->active_block = blk;
|
|
if (run_block (run, blk) == -1)
|
|
{
|
|
qse_awk_refdownval (run, v1);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
qse_awk_refdownval (run, v1);
|
|
}
|
|
else
|
|
{
|
|
/* pattern, pattern { ... } */
|
|
QSE_ASSERT (ptn->next->next == QSE_NULL);
|
|
QSE_ASSERT (run->pattern_range_state != QSE_NULL);
|
|
|
|
if (run->pattern_range_state[block_no] == 0)
|
|
{
|
|
qse_awk_val_t* v1;
|
|
|
|
v1 = eval_expression (run, ptn);
|
|
if (v1 == QSE_NULL) return -1;
|
|
qse_awk_refupval (run, v1);
|
|
|
|
if (qse_awk_valtobool (run, v1))
|
|
{
|
|
run->active_block = blk;
|
|
if (run_block (run, blk) == -1)
|
|
{
|
|
qse_awk_refdownval (run, v1);
|
|
return -1;
|
|
}
|
|
|
|
run->pattern_range_state[block_no] = 1;
|
|
}
|
|
|
|
qse_awk_refdownval (run, v1);
|
|
}
|
|
else if (run->pattern_range_state[block_no] == 1)
|
|
{
|
|
qse_awk_val_t* v2;
|
|
|
|
v2 = eval_expression (run, ptn->next);
|
|
if (v2 == QSE_NULL) return -1;
|
|
qse_awk_refupval (run, v2);
|
|
|
|
run->active_block = blk;
|
|
if (run_block (run, blk) == -1)
|
|
{
|
|
qse_awk_refdownval (run, v2);
|
|
return -1;
|
|
}
|
|
|
|
if (qse_awk_valtobool (run, v2))
|
|
run->pattern_range_state[block_no] = 0;
|
|
|
|
qse_awk_refdownval (run, v2);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int run_block (qse_awk_run_t* run, qse_awk_nde_blk_t* nde)
|
|
{
|
|
int n;
|
|
|
|
if (run->depth.max.block > 0 &&
|
|
run->depth.cur.block >= run->depth.max.block)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EBLKNST, nde->line, QSE_NULL, 0);
|
|
return -1;;
|
|
}
|
|
|
|
run->depth.cur.block++;
|
|
n = run_block0 (run, nde);
|
|
run->depth.cur.block--;
|
|
|
|
return n;
|
|
}
|
|
|
|
static int run_block0 (qse_awk_run_t* run, qse_awk_nde_blk_t* nde)
|
|
{
|
|
qse_awk_nde_t* p;
|
|
qse_size_t nlocals;
|
|
qse_size_t saved_stack_top;
|
|
int n = 0;
|
|
|
|
if (nde == QSE_NULL)
|
|
{
|
|
/* blockless pattern - execute print $0*/
|
|
qse_awk_refupval (run, run->inrec.d0);
|
|
|
|
n = qse_awk_writeextio_str (run,
|
|
QSE_AWK_OUT_CONSOLE, QSE_T(""),
|
|
QSE_STR_PTR(&run->inrec.line),
|
|
QSE_STR_LEN(&run->inrec.line));
|
|
if (n == -1)
|
|
{
|
|
qse_awk_refdownval (run, run->inrec.d0);
|
|
|
|
/* adjust the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
|
|
n = qse_awk_writeextio_str (
|
|
run, QSE_AWK_OUT_CONSOLE, QSE_T(""),
|
|
run->global.ors.ptr, run->global.ors.len);
|
|
if (n == -1)
|
|
{
|
|
qse_awk_refdownval (run, run->inrec.d0);
|
|
|
|
/* adjust the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
|
|
qse_awk_refdownval (run, run->inrec.d0);
|
|
return 0;
|
|
}
|
|
|
|
QSE_ASSERT (nde->type == QSE_AWK_NDE_BLK);
|
|
|
|
p = nde->body;
|
|
nlocals = nde->nlocals;
|
|
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (
|
|
QSE_T("securing space for local variables nlocals = %d\n"),
|
|
(int)nlocals);
|
|
#endif
|
|
|
|
saved_stack_top = run->stack_top;
|
|
|
|
/* secure space for local variables */
|
|
while (nlocals > 0)
|
|
{
|
|
--nlocals;
|
|
if (__raw_push(run,qse_awk_val_nil) == -1)
|
|
{
|
|
/* restore stack top */
|
|
run->stack_top = saved_stack_top;
|
|
return -1;
|
|
}
|
|
|
|
/* refupval is not required for qse_awk_val_nil */
|
|
}
|
|
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (QSE_T("executing block statements\n"));
|
|
#endif
|
|
|
|
while (p != QSE_NULL && run->exit_level == EXIT_NONE)
|
|
{
|
|
if (run_statement (run, p) == -1)
|
|
{
|
|
n = -1;
|
|
break;
|
|
}
|
|
p = p->next;
|
|
}
|
|
|
|
/* pop off local variables */
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (QSE_T("popping off local variables\n"));
|
|
#endif
|
|
nlocals = nde->nlocals;
|
|
while (nlocals > 0)
|
|
{
|
|
--nlocals;
|
|
qse_awk_refdownval (run, STACK_LOCAL(run,nlocals));
|
|
__raw_pop (run);
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
#define ON_STATEMENT(run,nde) \
|
|
if ((run)->awk->stopall) (run)->exit_level = EXIT_ABORT; \
|
|
if ((run)->cbs != QSE_NULL && \
|
|
(run)->cbs->on_statement != QSE_NULL) \
|
|
{ \
|
|
(run)->cbs->on_statement ( \
|
|
run, (nde)->line, (run)->cbs->data); \
|
|
}
|
|
|
|
static int run_statement (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
ON_STATEMENT (run, nde);
|
|
|
|
switch (nde->type)
|
|
{
|
|
case QSE_AWK_NDE_NULL:
|
|
{
|
|
/* do nothing */
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_BLK:
|
|
{
|
|
if (run_block (run,
|
|
(qse_awk_nde_blk_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_IF:
|
|
{
|
|
if (run_if (run,
|
|
(qse_awk_nde_if_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_WHILE:
|
|
case QSE_AWK_NDE_DOWHILE:
|
|
{
|
|
if (run_while (run,
|
|
(qse_awk_nde_while_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_FOR:
|
|
{
|
|
if (run_for (run,
|
|
(qse_awk_nde_for_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_FOREACH:
|
|
{
|
|
if (run_foreach (run,
|
|
(qse_awk_nde_foreach_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_BREAK:
|
|
{
|
|
if (run_break (run,
|
|
(qse_awk_nde_break_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_CONTINUE:
|
|
{
|
|
if (run_continue (run,
|
|
(qse_awk_nde_continue_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_RETURN:
|
|
{
|
|
if (run_return (run,
|
|
(qse_awk_nde_return_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_EXIT:
|
|
{
|
|
if (run_exit (run,
|
|
(qse_awk_nde_exit_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_NEXT:
|
|
{
|
|
if (run_next (run,
|
|
(qse_awk_nde_next_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_NEXTFILE:
|
|
{
|
|
if (run_nextfile (run,
|
|
(qse_awk_nde_nextfile_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_DELETE:
|
|
{
|
|
if (run_delete (run,
|
|
(qse_awk_nde_delete_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_RESET:
|
|
{
|
|
if (run_reset (run,
|
|
(qse_awk_nde_reset_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
|
|
case QSE_AWK_NDE_PRINT:
|
|
{
|
|
if (run_print (run,
|
|
(qse_awk_nde_print_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case QSE_AWK_NDE_PRINTF:
|
|
{
|
|
if (run_printf (run,
|
|
(qse_awk_nde_print_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
qse_awk_val_t* v;
|
|
v = eval_expression (run, nde);
|
|
if (v == QSE_NULL) return -1;
|
|
|
|
/* destroy the value if not referenced */
|
|
qse_awk_refupval (run, v);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int run_if (qse_awk_run_t* run, qse_awk_nde_if_t* nde)
|
|
{
|
|
qse_awk_val_t* test;
|
|
int n = 0;
|
|
|
|
/* the test expression for the if statement cannot have
|
|
* chained expressions. this should not be allowed by the
|
|
* parser first of all */
|
|
QSE_ASSERT (nde->test->next == QSE_NULL);
|
|
|
|
test = eval_expression (run, nde->test);
|
|
if (test == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, test);
|
|
if (qse_awk_valtobool (run, test))
|
|
{
|
|
n = run_statement (run, nde->then_part);
|
|
}
|
|
else if (nde->else_part != QSE_NULL)
|
|
{
|
|
n = run_statement (run, nde->else_part);
|
|
}
|
|
|
|
qse_awk_refdownval (run, test); /* TODO: is this correct?*/
|
|
return n;
|
|
}
|
|
|
|
static int run_while (qse_awk_run_t* run, qse_awk_nde_while_t* nde)
|
|
{
|
|
qse_awk_val_t* test;
|
|
|
|
if (nde->type == QSE_AWK_NDE_WHILE)
|
|
{
|
|
/* no chained expressions are allowed for the test
|
|
* expression of the while statement */
|
|
QSE_ASSERT (nde->test->next == QSE_NULL);
|
|
|
|
while (1)
|
|
{
|
|
ON_STATEMENT (run, nde->test);
|
|
|
|
test = eval_expression (run, nde->test);
|
|
if (test == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, test);
|
|
|
|
if (qse_awk_valtobool (run, test))
|
|
{
|
|
if (run_statement(run,nde->body) == -1)
|
|
{
|
|
qse_awk_refdownval (run, test);
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qse_awk_refdownval (run, test);
|
|
break;
|
|
}
|
|
|
|
qse_awk_refdownval (run, test);
|
|
|
|
if (run->exit_level == EXIT_BREAK)
|
|
{
|
|
run->exit_level = EXIT_NONE;
|
|
break;
|
|
}
|
|
else if (run->exit_level == EXIT_CONTINUE)
|
|
{
|
|
run->exit_level = EXIT_NONE;
|
|
}
|
|
else if (run->exit_level != EXIT_NONE) break;
|
|
|
|
}
|
|
}
|
|
else if (nde->type == QSE_AWK_NDE_DOWHILE)
|
|
{
|
|
/* no chained expressions are allowed for the test
|
|
* expression of the while statement */
|
|
QSE_ASSERT (nde->test->next == QSE_NULL);
|
|
|
|
do
|
|
{
|
|
if (run_statement(run,nde->body) == -1) return -1;
|
|
|
|
if (run->exit_level == EXIT_BREAK)
|
|
{
|
|
run->exit_level = EXIT_NONE;
|
|
break;
|
|
}
|
|
else if (run->exit_level == EXIT_CONTINUE)
|
|
{
|
|
run->exit_level = EXIT_NONE;
|
|
}
|
|
else if (run->exit_level != EXIT_NONE) break;
|
|
|
|
ON_STATEMENT (run, nde->test);
|
|
|
|
test = eval_expression (run, nde->test);
|
|
if (test == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, test);
|
|
|
|
if (!qse_awk_valtobool (run, test))
|
|
{
|
|
qse_awk_refdownval (run, test);
|
|
break;
|
|
}
|
|
|
|
qse_awk_refdownval (run, test);
|
|
}
|
|
while (1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int run_for (qse_awk_run_t* run, qse_awk_nde_for_t* nde)
|
|
{
|
|
qse_awk_val_t* val;
|
|
|
|
if (nde->init != QSE_NULL)
|
|
{
|
|
QSE_ASSERT (nde->init->next == QSE_NULL);
|
|
|
|
ON_STATEMENT (run, nde->init);
|
|
val = eval_expression(run,nde->init);
|
|
if (val == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, val);
|
|
qse_awk_refdownval (run, val);
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
if (nde->test != QSE_NULL)
|
|
{
|
|
qse_awk_val_t* test;
|
|
|
|
/* no chained expressions for the test expression of
|
|
* the for statement are allowed */
|
|
QSE_ASSERT (nde->test->next == QSE_NULL);
|
|
|
|
ON_STATEMENT (run, nde->test);
|
|
test = eval_expression (run, nde->test);
|
|
if (test == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, test);
|
|
if (qse_awk_valtobool (run, test))
|
|
{
|
|
if (run_statement(run,nde->body) == -1)
|
|
{
|
|
qse_awk_refdownval (run, test);
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qse_awk_refdownval (run, test);
|
|
break;
|
|
}
|
|
|
|
qse_awk_refdownval (run, test);
|
|
}
|
|
else
|
|
{
|
|
if (run_statement(run,nde->body) == -1) return -1;
|
|
}
|
|
|
|
if (run->exit_level == EXIT_BREAK)
|
|
{
|
|
run->exit_level = EXIT_NONE;
|
|
break;
|
|
}
|
|
else if (run->exit_level == EXIT_CONTINUE)
|
|
{
|
|
run->exit_level = EXIT_NONE;
|
|
}
|
|
else if (run->exit_level != EXIT_NONE) break;
|
|
|
|
if (nde->incr != QSE_NULL)
|
|
{
|
|
QSE_ASSERT (nde->incr->next == QSE_NULL);
|
|
|
|
ON_STATEMENT (run, nde->incr);
|
|
val = eval_expression (run, nde->incr);
|
|
if (val == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, val);
|
|
qse_awk_refdownval (run, val);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct foreach_walker_t
|
|
{
|
|
qse_awk_run_t* run;
|
|
qse_awk_nde_t* var;
|
|
qse_awk_nde_t* body;
|
|
int ret;
|
|
};
|
|
|
|
static qse_map_walk_t walk_foreach (
|
|
qse_map_t* map, qse_map_pair_t* pair, void* arg)
|
|
{
|
|
struct foreach_walker_t* w = (struct foreach_walker_t*)arg;
|
|
qse_awk_val_t* str;
|
|
|
|
str = (qse_awk_val_t*) qse_awk_makestrval (
|
|
w->run, QSE_MAP_KPTR(pair), QSE_MAP_KLEN(pair));
|
|
if (str == QSE_NULL)
|
|
{
|
|
/* adjust the error line */
|
|
w->run->errlin = w->var->line;
|
|
w->ret = -1;
|
|
return QSE_MAP_WALK_STOP;
|
|
}
|
|
|
|
qse_awk_refupval (w->run, str);
|
|
if (do_assignment (w->run, w->var, str) == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (w->run, str);
|
|
w->ret = -1;
|
|
return QSE_MAP_WALK_STOP;
|
|
}
|
|
|
|
if (run_statement (w->run, w->body) == -1)
|
|
{
|
|
qse_awk_refdownval (w->run, str);
|
|
w->ret = -1;
|
|
return QSE_MAP_WALK_STOP;
|
|
}
|
|
|
|
qse_awk_refdownval (w->run, str);
|
|
return QSE_MAP_WALK_FORWARD;
|
|
}
|
|
|
|
static int run_foreach (qse_awk_run_t* run, qse_awk_nde_foreach_t* nde)
|
|
{
|
|
qse_awk_nde_exp_t* test;
|
|
qse_awk_val_t* rv;
|
|
qse_map_t* map;
|
|
struct foreach_walker_t walker;
|
|
|
|
test = (qse_awk_nde_exp_t*)nde->test;
|
|
QSE_ASSERT (
|
|
test->type == QSE_AWK_NDE_EXP_BIN &&
|
|
test->opcode == QSE_AWK_BINOP_IN);
|
|
|
|
/* chained expressions should not be allowed
|
|
* by the parser first of all */
|
|
QSE_ASSERT (test->right->next == QSE_NULL);
|
|
|
|
rv = eval_expression (run, test->right);
|
|
if (rv == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, rv);
|
|
if (rv->type != QSE_AWK_VAL_MAP)
|
|
{
|
|
qse_awk_refdownval (run, rv);
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOTMAPIN, test->right->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
map = ((qse_awk_val_map_t*)rv)->map;
|
|
|
|
walker.run = run;
|
|
walker.var = test->left;
|
|
walker.body = nde->body;
|
|
walker.ret = 0;
|
|
qse_map_walk (map, walk_foreach, &walker);
|
|
|
|
qse_awk_refdownval (run, rv);
|
|
return walker.ret;
|
|
}
|
|
|
|
static int run_break (qse_awk_run_t* run, qse_awk_nde_break_t* nde)
|
|
{
|
|
run->exit_level = EXIT_BREAK;
|
|
return 0;
|
|
}
|
|
|
|
static int run_continue (qse_awk_run_t* run, qse_awk_nde_continue_t* nde)
|
|
{
|
|
run->exit_level = EXIT_CONTINUE;
|
|
return 0;
|
|
}
|
|
|
|
static int run_return (qse_awk_run_t* run, qse_awk_nde_return_t* nde)
|
|
{
|
|
if (nde->val != QSE_NULL)
|
|
{
|
|
qse_awk_val_t* val;
|
|
|
|
/* chained expressions should not be allowed
|
|
* by the parser first of all */
|
|
QSE_ASSERT (nde->val->next == QSE_NULL);
|
|
|
|
val = eval_expression (run, nde->val);
|
|
if (val == QSE_NULL) return -1;
|
|
|
|
if ((run->awk->option & QSE_AWK_MAPTOVAR) == 0)
|
|
{
|
|
if (val->type == QSE_AWK_VAL_MAP)
|
|
{
|
|
/* cannot return a map */
|
|
qse_awk_refupval (run, val);
|
|
qse_awk_refdownval (run, val);
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EMAPNOTALLOWED,
|
|
nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
qse_awk_refdownval (run, STACK_RETVAL(run));
|
|
STACK_RETVAL(run) = val;
|
|
qse_awk_refupval (run, val); /* see eval_call for the trick */
|
|
}
|
|
|
|
run->exit_level = EXIT_FUNCTION;
|
|
return 0;
|
|
}
|
|
|
|
static int run_exit (qse_awk_run_t* run, qse_awk_nde_exit_t* nde)
|
|
{
|
|
if (nde->val != QSE_NULL)
|
|
{
|
|
qse_awk_val_t* val;
|
|
|
|
/* chained expressions should not be allowed
|
|
* by the parser first of all */
|
|
QSE_ASSERT (nde->val->next == QSE_NULL);
|
|
|
|
val = eval_expression (run, nde->val);
|
|
if (val == QSE_NULL) return -1;
|
|
|
|
qse_awk_refdownval (run, STACK_RETVAL_GLOBAL(run));
|
|
STACK_RETVAL_GLOBAL(run) = val; /* global return value */
|
|
|
|
qse_awk_refupval (run, val);
|
|
}
|
|
|
|
run->exit_level = EXIT_GLOBAL;
|
|
return 0;
|
|
}
|
|
|
|
static int run_next (qse_awk_run_t* run, qse_awk_nde_next_t* nde)
|
|
{
|
|
/* the parser checks if next has been called in the begin/end
|
|
* block or whereever inappropriate. so the runtime doesn't
|
|
* check that explicitly */
|
|
if (run->active_block == (qse_awk_nde_blk_t*)run->awk->tree.begin)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ERNEXTBEG, nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
else if (run->active_block == (qse_awk_nde_blk_t*)run->awk->tree.end)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ERNEXTEND, nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
run->exit_level = EXIT_NEXT;
|
|
return 0;
|
|
}
|
|
|
|
static int run_nextinfile (qse_awk_run_t* run, qse_awk_nde_nextfile_t* nde)
|
|
{
|
|
int n;
|
|
|
|
/* normal nextfile statement */
|
|
if (run->active_block == (qse_awk_nde_blk_t*)run->awk->tree.begin)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ERNEXTFBEG, nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
else if (run->active_block == (qse_awk_nde_blk_t*)run->awk->tree.end)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ERNEXTFEND, nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
n = qse_awk_nextextio_read (run, QSE_AWK_IN_CONSOLE, QSE_T(""));
|
|
if (n == -1)
|
|
{
|
|
/* adjust the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
/* no more input console */
|
|
run->exit_level = EXIT_GLOBAL;
|
|
return 0;
|
|
}
|
|
|
|
/* FNR resets to 0, NR remains the same */
|
|
if (update_fnr (run, 0, run->global.nr) == -1)
|
|
{
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
|
|
run->exit_level = EXIT_NEXT;
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int run_nextoutfile (qse_awk_run_t* run, qse_awk_nde_nextfile_t* nde)
|
|
{
|
|
int n;
|
|
|
|
/* nextofile can be called from BEGIN and END block unlike nextfile */
|
|
|
|
n = qse_awk_nextextio_write (run, QSE_AWK_OUT_CONSOLE, QSE_T(""));
|
|
if (n == -1)
|
|
{
|
|
/* adjust the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
/* should it terminate the program there is no more
|
|
* output console? no. there will just be no more console
|
|
* output */
|
|
/*run->exit_level = EXIT_GLOBAL;*/
|
|
return 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int run_nextfile (qse_awk_run_t* run, qse_awk_nde_nextfile_t* nde)
|
|
{
|
|
return (nde->out)?
|
|
run_nextoutfile (run, nde):
|
|
run_nextinfile (run, nde);
|
|
}
|
|
|
|
static int run_delete (qse_awk_run_t* run, qse_awk_nde_delete_t* nde)
|
|
{
|
|
qse_awk_nde_var_t* var;
|
|
|
|
var = (qse_awk_nde_var_t*) nde->var;
|
|
|
|
if (var->type == QSE_AWK_NDE_NAMED ||
|
|
var->type == QSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
qse_map_pair_t* pair;
|
|
|
|
QSE_ASSERTX (
|
|
(var->type == QSE_AWK_NDE_NAMED && var->idx == QSE_NULL) ||
|
|
(var->type == QSE_AWK_NDE_NAMEDIDX && var->idx != QSE_NULL),
|
|
"if a named variable has an index part and a named indexed variable doesn't have an index part, the program is definitely wrong");
|
|
|
|
pair = qse_map_search (
|
|
run->named, var->id.name.ptr, var->id.name.len);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
qse_awk_val_t* tmp;
|
|
|
|
/* value not set for the named variable.
|
|
* create a map and assign it to the variable */
|
|
|
|
tmp = qse_awk_makemapval (run);
|
|
if (tmp == QSE_NULL)
|
|
{
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
|
|
pair = qse_map_upsert (run->named,
|
|
var->id.name.ptr, var->id.name.len, tmp, 0);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
qse_awk_refupval (run, tmp);
|
|
qse_awk_refdownval (run, tmp);
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, var->line,
|
|
QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
/* as this is the assignment, it needs to update
|
|
* the reference count of the target value. */
|
|
qse_awk_refupval (run, tmp);
|
|
}
|
|
else
|
|
{
|
|
qse_awk_val_t* val;
|
|
qse_map_t* map;
|
|
|
|
val = (qse_awk_val_t*)QSE_MAP_VPTR(pair);
|
|
QSE_ASSERT (val != QSE_NULL);
|
|
|
|
if (val->type != QSE_AWK_VAL_MAP)
|
|
{
|
|
qse_cstr_t errarg;
|
|
|
|
errarg.ptr = var->id.name.ptr;
|
|
errarg.len = var->id.name.len;
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOTDEL, var->line,
|
|
&errarg, 1);
|
|
return -1;
|
|
}
|
|
|
|
map = ((qse_awk_val_map_t*)val)->map;
|
|
if (var->type == QSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
qse_char_t* key;
|
|
qse_size_t keylen;
|
|
qse_awk_val_t* idx;
|
|
qse_char_t buf[IDXBUFSIZE];
|
|
|
|
QSE_ASSERT (var->idx != QSE_NULL);
|
|
|
|
idx = eval_expression (run, var->idx);
|
|
if (idx == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, idx);
|
|
|
|
/* try with a fixed-size buffer */
|
|
keylen = QSE_COUNTOF(buf);
|
|
key = qse_awk_valtostr (
|
|
run, idx, QSE_AWK_VALTOSTR_FIXED,
|
|
(qse_str_t*)buf, &keylen);
|
|
if (key == QSE_NULL)
|
|
{
|
|
/* if it doesn't work, switch to dynamic mode */
|
|
key = qse_awk_valtostr (
|
|
run, idx, QSE_AWK_VALTOSTR_CLEAR,
|
|
QSE_NULL, &keylen);
|
|
}
|
|
|
|
qse_awk_refdownval (run, idx);
|
|
|
|
if (key == QSE_NULL)
|
|
{
|
|
/* change the error line */
|
|
run->errlin = var->line;
|
|
return -1;
|
|
}
|
|
|
|
qse_map_delete (map, key, keylen);
|
|
if (key != buf) QSE_AWK_FREE (run->awk, key);
|
|
}
|
|
else
|
|
{
|
|
qse_map_clear (map);
|
|
}
|
|
}
|
|
}
|
|
else if (var->type == QSE_AWK_NDE_GLOBAL ||
|
|
var->type == QSE_AWK_NDE_LOCAL ||
|
|
var->type == QSE_AWK_NDE_ARG ||
|
|
var->type == QSE_AWK_NDE_GLOBALIDX ||
|
|
var->type == QSE_AWK_NDE_LOCALIDX ||
|
|
var->type == QSE_AWK_NDE_ARGIDX)
|
|
{
|
|
qse_awk_val_t* val;
|
|
|
|
if (var->type == QSE_AWK_NDE_GLOBAL ||
|
|
var->type == QSE_AWK_NDE_GLOBALIDX)
|
|
val = STACK_GLOBAL (run,var->id.idxa);
|
|
else if (var->type == QSE_AWK_NDE_LOCAL ||
|
|
var->type == QSE_AWK_NDE_LOCALIDX)
|
|
val = STACK_LOCAL (run,var->id.idxa);
|
|
else val = STACK_ARG (run,var->id.idxa);
|
|
|
|
QSE_ASSERT (val != QSE_NULL);
|
|
|
|
if (val->type == QSE_AWK_VAL_NIL)
|
|
{
|
|
qse_awk_val_t* tmp;
|
|
|
|
/* value not set.
|
|
* create a map and assign it to the variable */
|
|
|
|
tmp = qse_awk_makemapval (run);
|
|
if (tmp == QSE_NULL)
|
|
{
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
|
|
/* no need to reduce the reference count of
|
|
* the previous value because it was nil. */
|
|
if (var->type == QSE_AWK_NDE_GLOBAL ||
|
|
var->type == QSE_AWK_NDE_GLOBALIDX)
|
|
{
|
|
if (qse_awk_setglobal (
|
|
run, (int)var->id.idxa, tmp) == -1)
|
|
{
|
|
qse_awk_refupval (run, tmp);
|
|
qse_awk_refdownval (run, tmp);
|
|
|
|
run->errlin = var->line;
|
|
return -1;
|
|
}
|
|
}
|
|
else if (var->type == QSE_AWK_NDE_LOCAL ||
|
|
var->type == QSE_AWK_NDE_LOCALIDX)
|
|
{
|
|
STACK_LOCAL(run,var->id.idxa) = tmp;
|
|
qse_awk_refupval (run, tmp);
|
|
}
|
|
else
|
|
{
|
|
STACK_ARG(run,var->id.idxa) = tmp;
|
|
qse_awk_refupval (run, tmp);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qse_map_t* map;
|
|
|
|
if (val->type != QSE_AWK_VAL_MAP)
|
|
{
|
|
qse_cstr_t errarg;
|
|
|
|
errarg.ptr = var->id.name.ptr;
|
|
errarg.len = var->id.name.len;
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOTDEL, var->line,
|
|
&errarg, 1);
|
|
return -1;
|
|
}
|
|
|
|
map = ((qse_awk_val_map_t*)val)->map;
|
|
if (var->type == QSE_AWK_NDE_GLOBALIDX ||
|
|
var->type == QSE_AWK_NDE_LOCALIDX ||
|
|
var->type == QSE_AWK_NDE_ARGIDX)
|
|
{
|
|
qse_char_t* key;
|
|
qse_size_t keylen;
|
|
qse_awk_val_t* idx;
|
|
qse_char_t buf[IDXBUFSIZE];
|
|
|
|
QSE_ASSERT (var->idx != QSE_NULL);
|
|
|
|
idx = eval_expression (run, var->idx);
|
|
if (idx == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, idx);
|
|
|
|
/* try with a fixed-size buffer */
|
|
keylen = QSE_COUNTOF(buf);
|
|
key = qse_awk_valtostr (
|
|
run, idx, QSE_AWK_VALTOSTR_FIXED,
|
|
(qse_str_t*)buf, &keylen);
|
|
if (key == QSE_NULL)
|
|
{
|
|
/* if it doesn't work, switch to dynamic mode */
|
|
key = qse_awk_valtostr (
|
|
run, idx, QSE_AWK_VALTOSTR_CLEAR,
|
|
QSE_NULL, &keylen);
|
|
}
|
|
|
|
qse_awk_refdownval (run, idx);
|
|
|
|
if (key == QSE_NULL)
|
|
{
|
|
run->errlin = var->line;
|
|
return -1;
|
|
}
|
|
qse_map_delete (map, key, keylen);
|
|
if (key != buf) QSE_AWK_FREE (run->awk, key);
|
|
}
|
|
else
|
|
{
|
|
qse_map_clear (map);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERTX (
|
|
!"should never happen - wrong target for delete",
|
|
"the delete statement cannot be called with other nodes than the variables such as a named variable, a named indexed variable, etc");
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ERDELETE, var->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int run_reset (qse_awk_run_t* run, qse_awk_nde_reset_t* nde)
|
|
{
|
|
qse_awk_nde_var_t* var;
|
|
|
|
var = (qse_awk_nde_var_t*) nde->var;
|
|
|
|
if (var->type == QSE_AWK_NDE_NAMED)
|
|
{
|
|
QSE_ASSERTX (
|
|
var->type == QSE_AWK_NDE_NAMED && var->idx == QSE_NULL,
|
|
"if a named variable has an index part, something is definitely wrong");
|
|
|
|
/* a named variable can be reset if removed from a internal map
|
|
to manage it */
|
|
qse_map_delete (run->named, var->id.name.ptr, var->id.name.len);
|
|
}
|
|
else if (var->type == QSE_AWK_NDE_GLOBAL ||
|
|
var->type == QSE_AWK_NDE_LOCAL ||
|
|
var->type == QSE_AWK_NDE_ARG)
|
|
{
|
|
qse_awk_val_t* val;
|
|
|
|
if (var->type == QSE_AWK_NDE_GLOBAL)
|
|
val = STACK_GLOBAL(run,var->id.idxa);
|
|
else if (var->type == QSE_AWK_NDE_LOCAL)
|
|
val = STACK_LOCAL(run,var->id.idxa);
|
|
else val = STACK_ARG(run,var->id.idxa);
|
|
|
|
QSE_ASSERT (val != QSE_NULL);
|
|
|
|
if (val->type != QSE_AWK_VAL_NIL)
|
|
{
|
|
qse_awk_refdownval (run, val);
|
|
if (var->type == QSE_AWK_NDE_GLOBAL)
|
|
STACK_GLOBAL(run,var->id.idxa) = qse_awk_val_nil;
|
|
else if (var->type == QSE_AWK_NDE_LOCAL)
|
|
STACK_LOCAL(run,var->id.idxa) = qse_awk_val_nil;
|
|
else
|
|
STACK_ARG(run,var->id.idxa) = qse_awk_val_nil;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERTX (
|
|
!"should never happen - wrong target for reset",
|
|
"the reset statement can only be called with plain variables");
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ERRESET, var->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int run_print (qse_awk_run_t* run, qse_awk_nde_print_t* nde)
|
|
{
|
|
qse_char_t* out = QSE_NULL;
|
|
const qse_char_t* dst;
|
|
qse_awk_val_t* v;
|
|
int n;
|
|
|
|
QSE_ASSERT (
|
|
(nde->out_type == QSE_AWK_OUT_PIPE && nde->out != QSE_NULL) ||
|
|
(nde->out_type == QSE_AWK_OUT_COPROC && nde->out != QSE_NULL) ||
|
|
(nde->out_type == QSE_AWK_OUT_FILE && nde->out != QSE_NULL) ||
|
|
(nde->out_type == QSE_AWK_OUT_FILE_APPEND && nde->out != QSE_NULL) ||
|
|
(nde->out_type == QSE_AWK_OUT_CONSOLE && nde->out == QSE_NULL));
|
|
|
|
/* check if destination has been specified. */
|
|
if (nde->out != QSE_NULL)
|
|
{
|
|
qse_size_t len;
|
|
|
|
/* if so, resolve the destination name */
|
|
v = eval_expression (run, nde->out);
|
|
if (v == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, v);
|
|
out = qse_awk_valtostr (
|
|
run, v, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &len);
|
|
if (out == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
|
|
/* change the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (len <= 0)
|
|
{
|
|
/* the destination name is empty */
|
|
QSE_AWK_FREE (run->awk, out);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EIONMEM, nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
/* it needs to check if the destination name contains
|
|
* any invalid characters to the underlying system */
|
|
while (len > 0)
|
|
{
|
|
if (out[--len] == QSE_T('\0'))
|
|
{
|
|
/* if so, it skips writing */
|
|
QSE_AWK_FREE (run->awk, out);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EIONMNL, nde->line,
|
|
QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* transforms the destination to suit the usage with extio */
|
|
dst = (out == QSE_NULL)? QSE_T(""): out;
|
|
|
|
/* check if print is followed by any arguments */
|
|
if (nde->args == QSE_NULL)
|
|
{
|
|
/* if it doesn't have any arguments, print the entire
|
|
* input record */
|
|
n = qse_awk_writeextio_str (
|
|
run, nde->out_type, dst,
|
|
QSE_STR_PTR(&run->inrec.line),
|
|
QSE_STR_LEN(&run->inrec.line));
|
|
if (n <= -1 /*&& run->errnum != QSE_AWK_EIOIMPL*/)
|
|
{
|
|
if (out != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, out);
|
|
|
|
/* adjust the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* if it has any arguments, print the arguments separated by
|
|
* the value OFS */
|
|
qse_awk_nde_t* head, * np;
|
|
|
|
if (nde->args->type == QSE_AWK_NDE_GRP)
|
|
{
|
|
/* parenthesized print */
|
|
QSE_ASSERT (nde->args->next == QSE_NULL);
|
|
head = ((qse_awk_nde_grp_t*)nde->args)->body;
|
|
}
|
|
else head = nde->args;
|
|
|
|
for (np = head; np != QSE_NULL; np = np->next)
|
|
{
|
|
if (np != head)
|
|
{
|
|
n = qse_awk_writeextio_str (
|
|
run, nde->out_type, dst,
|
|
run->global.ofs.ptr,
|
|
run->global.ofs.len);
|
|
if (n <= -1 /*&& run->errnum != QSE_AWK_EIOIMPL*/)
|
|
{
|
|
if (out != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, out);
|
|
|
|
/* adjust the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
v = eval_expression (run, np);
|
|
if (v == QSE_NULL)
|
|
{
|
|
if (out != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, out);
|
|
return -1;
|
|
}
|
|
qse_awk_refupval (run, v);
|
|
|
|
n = qse_awk_writeextio_val (run, nde->out_type, dst, v);
|
|
if (n <= -1 /*&& run->errnum != QSE_AWK_EIOIMPL*/)
|
|
{
|
|
if (out != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, out);
|
|
|
|
qse_awk_refdownval (run, v);
|
|
/* adjust the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
|
|
qse_awk_refdownval (run, v);
|
|
}
|
|
}
|
|
|
|
/* print the value ORS to terminate the operation */
|
|
n = qse_awk_writeextio_str (
|
|
run, nde->out_type, dst,
|
|
run->global.ors.ptr, run->global.ors.len);
|
|
if (n <= -1 /*&& run->errnum != QSE_AWK_EIOIMPL*/)
|
|
{
|
|
if (out != QSE_NULL) QSE_AWK_FREE (run->awk, out);
|
|
|
|
/* change the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
|
|
if (out != QSE_NULL) QSE_AWK_FREE (run->awk, out);
|
|
|
|
/*skip_write:*/
|
|
return 0;
|
|
}
|
|
|
|
static int run_printf (qse_awk_run_t* run, qse_awk_nde_print_t* nde)
|
|
{
|
|
qse_char_t* out = QSE_NULL;
|
|
const qse_char_t* dst;
|
|
qse_awk_val_t* v;
|
|
qse_awk_nde_t* head;
|
|
int n;
|
|
|
|
QSE_ASSERT (
|
|
(nde->out_type == QSE_AWK_OUT_PIPE && nde->out != QSE_NULL) ||
|
|
(nde->out_type == QSE_AWK_OUT_COPROC && nde->out != QSE_NULL) ||
|
|
(nde->out_type == QSE_AWK_OUT_FILE && nde->out != QSE_NULL) ||
|
|
(nde->out_type == QSE_AWK_OUT_FILE_APPEND && nde->out != QSE_NULL) ||
|
|
(nde->out_type == QSE_AWK_OUT_CONSOLE && nde->out == QSE_NULL));
|
|
|
|
if (nde->out != QSE_NULL)
|
|
{
|
|
qse_size_t len;
|
|
|
|
v = eval_expression (run, nde->out);
|
|
if (v == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, v);
|
|
out = qse_awk_valtostr (
|
|
run, v, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &len);
|
|
if (out == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
|
|
/* change the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (len <= 0)
|
|
{
|
|
/* the output destination name is empty. */
|
|
QSE_AWK_FREE (run->awk, out);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EIONMEM, nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
while (len > 0)
|
|
{
|
|
if (out[--len] == QSE_T('\0'))
|
|
{
|
|
/* the output destination name contains a null
|
|
* character. */
|
|
QSE_AWK_FREE (run->awk, out);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EIONMNL, nde->line,
|
|
QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
dst = (out == QSE_NULL)? QSE_T(""): out;
|
|
|
|
QSE_ASSERTX (nde->args != QSE_NULL,
|
|
"a valid printf statement should have at least one argument. the parser must ensure this.");
|
|
|
|
if (nde->args->type == QSE_AWK_NDE_GRP)
|
|
{
|
|
/* parenthesized print */
|
|
QSE_ASSERT (nde->args->next == QSE_NULL);
|
|
head = ((qse_awk_nde_grp_t*)nde->args)->body;
|
|
}
|
|
else head = nde->args;
|
|
|
|
QSE_ASSERTX (head != QSE_NULL,
|
|
"a valid printf statement should have at least one argument. the parser must ensure this.");
|
|
|
|
v = eval_expression (run, head);
|
|
if (v == QSE_NULL)
|
|
{
|
|
if (out != QSE_NULL) QSE_AWK_FREE (run->awk, out);
|
|
return -1;
|
|
}
|
|
|
|
qse_awk_refupval (run, v);
|
|
if (v->type != QSE_AWK_VAL_STR)
|
|
{
|
|
/* the remaining arguments are ignored as the format cannot
|
|
* contain any % characters */
|
|
n = qse_awk_writeextio_val (run, nde->out_type, dst, v);
|
|
if (n <= -1 /*&& run->errnum != QSE_AWK_EIOIMPL*/)
|
|
{
|
|
if (out != QSE_NULL) QSE_AWK_FREE (run->awk, out);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
/* change the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* perform the formatted output */
|
|
if (output_formatted (
|
|
run, nde->out_type, dst,
|
|
((qse_awk_val_str_t*)v)->buf,
|
|
((qse_awk_val_str_t*)v)->len,
|
|
head->next) == -1)
|
|
{
|
|
if (out != QSE_NULL) QSE_AWK_FREE (run->awk, out);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
/* adjust the error line */
|
|
run->errlin = nde->line;
|
|
return -1;
|
|
}
|
|
}
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (out != QSE_NULL) QSE_AWK_FREE (run->awk, out);
|
|
|
|
/*skip_write:*/
|
|
return 0;
|
|
}
|
|
|
|
static int output_formatted (
|
|
qse_awk_run_t* run, int out_type, const qse_char_t* dst,
|
|
const qse_char_t* fmt, qse_size_t fmt_len, qse_awk_nde_t* args)
|
|
{
|
|
qse_char_t* ptr;
|
|
qse_size_t len;
|
|
int n;
|
|
|
|
ptr = qse_awk_format (run,
|
|
QSE_NULL, QSE_NULL, fmt, fmt_len, 0, args, &len);
|
|
if (ptr == QSE_NULL) return -1;
|
|
|
|
n = qse_awk_writeextio_str (run, out_type, dst, ptr, len);
|
|
if (n <= -1 /*&& run->errnum != QSE_AWK_EIOIMPL*/) return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_expression (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* v;
|
|
int n, errnum;
|
|
|
|
#if 0
|
|
if (run->exit_level >= EXIT_GLOBAL)
|
|
{
|
|
/* returns QSE_NULL as if an error occurred but
|
|
* clears the error number. run_main will
|
|
* detect this condition and treat it as a
|
|
* non-error condition.*/
|
|
run->errnum = QSE_AWK_ENOERR;
|
|
return QSE_NULL;
|
|
}
|
|
#endif
|
|
|
|
v = eval_expression0 (run, nde);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
|
|
if (v->type == QSE_AWK_VAL_REX)
|
|
{
|
|
qse_awk_refupval (run, v);
|
|
|
|
if (run->inrec.d0->type == QSE_AWK_VAL_NIL)
|
|
{
|
|
/* the record has never been read.
|
|
* probably, this functions has been triggered
|
|
* by the statements in the BEGIN block */
|
|
n = QSE_AWK_ISEMPTYREX(run->awk,((qse_awk_val_rex_t*)v)->code)? 1: 0;
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERTX (
|
|
run->inrec.d0->type == QSE_AWK_VAL_STR,
|
|
"the internal value representing $0 should always be of the string type once it has been set/updated. it is nil initially.");
|
|
|
|
n = QSE_AWK_MATCHREX (
|
|
((qse_awk_run_t*)run)->awk,
|
|
((qse_awk_val_rex_t*)v)->code,
|
|
((((qse_awk_run_t*)run)->global.ignorecase)? QSE_REX_IGNORECASE: 0),
|
|
((qse_awk_val_str_t*)run->inrec.d0)->buf,
|
|
((qse_awk_val_str_t*)run->inrec.d0)->len,
|
|
QSE_NULL, QSE_NULL, &errnum);
|
|
|
|
if (n == -1)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
|
|
/* matchrex should never set the error number
|
|
* whose message contains a formatting
|
|
* character. otherwise, the following way of
|
|
* setting the error information may not work */
|
|
qse_awk_setrunerror (
|
|
run, errnum, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
qse_awk_refdownval (run, v);
|
|
|
|
v = qse_awk_makeintval (run, (n != 0));
|
|
if (v == QSE_NULL)
|
|
{
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
return v;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_expression0 (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
static eval_expr_t eval_func[] =
|
|
{
|
|
/* the order of functions here should match the order
|
|
* of node types declared in tree.h */
|
|
eval_group,
|
|
eval_assignment,
|
|
eval_binary,
|
|
eval_unary,
|
|
eval_incpre,
|
|
eval_incpst,
|
|
eval_cnd,
|
|
eval_bfn,
|
|
eval_afn,
|
|
eval_int,
|
|
eval_real,
|
|
eval_str,
|
|
eval_rex,
|
|
eval_named,
|
|
eval_global,
|
|
eval_local,
|
|
eval_arg,
|
|
eval_namedidx,
|
|
eval_globalidx,
|
|
eval_localidx,
|
|
eval_argidx,
|
|
eval_pos,
|
|
eval_getline
|
|
};
|
|
|
|
qse_awk_val_t* v;
|
|
|
|
|
|
QSE_ASSERT (nde->type >= QSE_AWK_NDE_GRP &&
|
|
(nde->type - QSE_AWK_NDE_GRP) < QSE_COUNTOF(eval_func));
|
|
|
|
v = eval_func[nde->type-QSE_AWK_NDE_GRP] (run, nde);
|
|
|
|
if (v != QSE_NULL && run->exit_level >= EXIT_GLOBAL)
|
|
{
|
|
qse_awk_refupval (run, v);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
/* returns QSE_NULL as if an error occurred but
|
|
* clears the error number. run_main will
|
|
* detect this condition and treat it as a
|
|
* non-error condition.*/
|
|
run->errnum = QSE_AWK_ENOERR;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
return v;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_group (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
/* eval_binop_in evaluates the QSE_AWK_NDE_GRP specially.
|
|
* so this function should never be reached. */
|
|
QSE_ASSERT (!"should never happen - NDE_GRP only for in");
|
|
qse_awk_setrunerror (run, QSE_AWK_EINTERN, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_assignment (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* val, * ret;
|
|
qse_awk_nde_ass_t* ass = (qse_awk_nde_ass_t*)nde;
|
|
|
|
QSE_ASSERT (ass->left != QSE_NULL);
|
|
QSE_ASSERT (ass->right != QSE_NULL);
|
|
|
|
QSE_ASSERT (ass->right->next == QSE_NULL);
|
|
val = eval_expression (run, ass->right);
|
|
if (val == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, val);
|
|
|
|
if (ass->opcode != QSE_AWK_ASSOP_NONE)
|
|
{
|
|
qse_awk_val_t* val2, * tmp;
|
|
static binop_func_t binop_func[] =
|
|
{
|
|
QSE_NULL, /* QSE_AWK_ASSOP_NONE */
|
|
eval_binop_plus,
|
|
eval_binop_minus,
|
|
eval_binop_mul,
|
|
eval_binop_div,
|
|
eval_binop_idiv,
|
|
eval_binop_mod,
|
|
eval_binop_exp,
|
|
eval_binop_rshift,
|
|
eval_binop_lshift,
|
|
eval_binop_band,
|
|
eval_binop_bxor,
|
|
eval_binop_bor
|
|
};
|
|
|
|
QSE_ASSERT (ass->left->next == QSE_NULL);
|
|
val2 = eval_expression (run, ass->left);
|
|
if (val2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, val);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, val2);
|
|
|
|
QSE_ASSERT (ass->opcode >= 0);
|
|
QSE_ASSERT (ass->opcode < QSE_COUNTOF(binop_func));
|
|
QSE_ASSERT (binop_func[ass->opcode] != QSE_NULL);
|
|
|
|
tmp = binop_func[ass->opcode] (run, val2, val);
|
|
if (tmp == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, val2);
|
|
qse_awk_refdownval (run, val);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refdownval (run, val2);
|
|
qse_awk_refdownval (run, val);
|
|
|
|
val = tmp;
|
|
qse_awk_refupval (run, val);
|
|
}
|
|
|
|
ret = do_assignment (run, ass->left, val);
|
|
qse_awk_refdownval (run, val);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static qse_awk_val_t* do_assignment (
|
|
qse_awk_run_t* run, qse_awk_nde_t* var, qse_awk_val_t* val)
|
|
{
|
|
qse_awk_val_t* ret;
|
|
int errnum;
|
|
|
|
if (var->type == QSE_AWK_NDE_NAMED ||
|
|
var->type == QSE_AWK_NDE_GLOBAL ||
|
|
var->type == QSE_AWK_NDE_LOCAL ||
|
|
var->type == QSE_AWK_NDE_ARG)
|
|
{
|
|
if ((run->awk->option & QSE_AWK_MAPTOVAR) == 0)
|
|
{
|
|
if (val->type == QSE_AWK_VAL_MAP)
|
|
{
|
|
errnum = QSE_AWK_ENOTASS;
|
|
goto exit_on_error;
|
|
}
|
|
}
|
|
|
|
ret = do_assignment_scalar (run, (qse_awk_nde_var_t*)var, val);
|
|
}
|
|
else if (var->type == QSE_AWK_NDE_NAMEDIDX ||
|
|
var->type == QSE_AWK_NDE_GLOBALIDX ||
|
|
var->type == QSE_AWK_NDE_LOCALIDX ||
|
|
var->type == QSE_AWK_NDE_ARGIDX)
|
|
{
|
|
if (val->type == QSE_AWK_VAL_MAP)
|
|
{
|
|
errnum = QSE_AWK_ENOTASS;
|
|
goto exit_on_error;
|
|
}
|
|
|
|
ret = do_assignment_map (run, (qse_awk_nde_var_t*)var, val);
|
|
}
|
|
else if (var->type == QSE_AWK_NDE_POS)
|
|
{
|
|
if (val->type == QSE_AWK_VAL_MAP)
|
|
{
|
|
errnum = QSE_AWK_ENOTASS;
|
|
goto exit_on_error;
|
|
}
|
|
|
|
|
|
ret = do_assignment_pos (run, (qse_awk_nde_pos_t*)var, val);
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERT (!"should never happen - invalid variable type");
|
|
errnum = QSE_AWK_EINTERN;
|
|
goto exit_on_error;
|
|
}
|
|
|
|
return ret;
|
|
|
|
exit_on_error:
|
|
qse_awk_setrunerror (run, errnum, var->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
static qse_awk_val_t* do_assignment_scalar (
|
|
qse_awk_run_t* run, qse_awk_nde_var_t* var, qse_awk_val_t* val)
|
|
{
|
|
QSE_ASSERT (
|
|
(var->type == QSE_AWK_NDE_NAMED ||
|
|
var->type == QSE_AWK_NDE_GLOBAL ||
|
|
var->type == QSE_AWK_NDE_LOCAL ||
|
|
var->type == QSE_AWK_NDE_ARG) && var->idx == QSE_NULL);
|
|
|
|
QSE_ASSERT (
|
|
(run->awk->option & QSE_AWK_MAPTOVAR) ||
|
|
val->type != QSE_AWK_VAL_MAP);
|
|
|
|
if (var->type == QSE_AWK_NDE_NAMED)
|
|
{
|
|
qse_map_pair_t* pair;
|
|
|
|
pair = qse_map_search (
|
|
run->named, var->id.name.ptr, var->id.name.len);
|
|
if (pair != QSE_NULL &&
|
|
((qse_awk_val_t*)QSE_MAP_VPTR(pair))->type == QSE_AWK_VAL_MAP)
|
|
{
|
|
/* once a variable becomes a map,
|
|
* it cannot be changed to a scalar variable */
|
|
qse_cstr_t errarg;
|
|
|
|
errarg.ptr = var->id.name.ptr;
|
|
errarg.len = var->id.name.len;
|
|
|
|
qse_awk_setrunerror (run,
|
|
QSE_AWK_EMAPTOSCALAR, var->line, &errarg, 1);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (qse_map_upsert (run->named,
|
|
var->id.name.ptr, var->id.name.len, val, 0) == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, var->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, val);
|
|
}
|
|
else if (var->type == QSE_AWK_NDE_GLOBAL)
|
|
{
|
|
if (set_global (run, var->id.idxa, var, val) == -1)
|
|
{
|
|
/* adjust error line */
|
|
run->errlin = var->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else if (var->type == QSE_AWK_NDE_LOCAL)
|
|
{
|
|
qse_awk_val_t* old = STACK_LOCAL(run,var->id.idxa);
|
|
if (old->type == QSE_AWK_VAL_MAP)
|
|
{
|
|
/* once the variable becomes a map,
|
|
* it cannot be changed to a scalar variable */
|
|
qse_cstr_t errarg;
|
|
|
|
errarg.ptr = var->id.name.ptr;
|
|
errarg.len = var->id.name.len;
|
|
|
|
qse_awk_setrunerror (run,
|
|
QSE_AWK_EMAPTOSCALAR, var->line, &errarg, 1);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refdownval (run, old);
|
|
STACK_LOCAL(run,var->id.idxa) = val;
|
|
qse_awk_refupval (run, val);
|
|
}
|
|
else /* if (var->type == QSE_AWK_NDE_ARG) */
|
|
{
|
|
qse_awk_val_t* old = STACK_ARG(run,var->id.idxa);
|
|
if (old->type == QSE_AWK_VAL_MAP)
|
|
{
|
|
/* once the variable becomes a map,
|
|
* it cannot be changed to a scalar variable */
|
|
qse_cstr_t errarg;
|
|
|
|
errarg.ptr = var->id.name.ptr;
|
|
errarg.len = var->id.name.len;
|
|
|
|
qse_awk_setrunerror (run,
|
|
QSE_AWK_EMAPTOSCALAR, var->line, &errarg, 1);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refdownval (run, old);
|
|
STACK_ARG(run,var->id.idxa) = val;
|
|
qse_awk_refupval (run, val);
|
|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
static qse_awk_val_t* do_assignment_map (
|
|
qse_awk_run_t* run, qse_awk_nde_var_t* var, qse_awk_val_t* val)
|
|
{
|
|
qse_awk_val_map_t* map;
|
|
qse_char_t* str;
|
|
qse_size_t len;
|
|
qse_char_t idxbuf[IDXBUFSIZE];
|
|
|
|
QSE_ASSERT (
|
|
(var->type == QSE_AWK_NDE_NAMEDIDX ||
|
|
var->type == QSE_AWK_NDE_GLOBALIDX ||
|
|
var->type == QSE_AWK_NDE_LOCALIDX ||
|
|
var->type == QSE_AWK_NDE_ARGIDX) && var->idx != QSE_NULL);
|
|
QSE_ASSERT (val->type != QSE_AWK_VAL_MAP);
|
|
|
|
if (var->type == QSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
qse_map_pair_t* pair;
|
|
pair = qse_map_search (
|
|
run->named, var->id.name.ptr, var->id.name.len);
|
|
map = (pair == QSE_NULL)?
|
|
(qse_awk_val_map_t*)qse_awk_val_nil:
|
|
(qse_awk_val_map_t*)QSE_MAP_VPTR(pair);
|
|
}
|
|
else
|
|
{
|
|
map = (var->type == QSE_AWK_NDE_GLOBALIDX)?
|
|
(qse_awk_val_map_t*)STACK_GLOBAL(run,var->id.idxa):
|
|
(var->type == QSE_AWK_NDE_LOCALIDX)?
|
|
(qse_awk_val_map_t*)STACK_LOCAL(run,var->id.idxa):
|
|
(qse_awk_val_map_t*)STACK_ARG(run,var->id.idxa);
|
|
}
|
|
|
|
if (map->type == QSE_AWK_VAL_NIL)
|
|
{
|
|
/* the map is not initialized yet */
|
|
qse_awk_val_t* tmp;
|
|
|
|
tmp = qse_awk_makemapval (run);
|
|
if (tmp == QSE_NULL)
|
|
{
|
|
/* adjust error line */
|
|
run->errlin = var->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (var->type == QSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
/* doesn't have to decrease the reference count
|
|
* of the previous value here as it is done by
|
|
* qse_map_upsert */
|
|
if (qse_map_upsert (
|
|
run->named,
|
|
var->id.name.ptr,
|
|
var->id.name.len,
|
|
tmp,
|
|
0) == QSE_NULL)
|
|
{
|
|
qse_awk_refupval (run, tmp);
|
|
qse_awk_refdownval (run, tmp);
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, var->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, tmp);
|
|
}
|
|
else if (var->type == QSE_AWK_NDE_GLOBALIDX)
|
|
{
|
|
qse_awk_refupval (run, tmp);
|
|
if (qse_awk_setglobal (run, (int)var->id.idxa, tmp) == -1)
|
|
{
|
|
qse_awk_refdownval (run, tmp);
|
|
|
|
/* change error line */
|
|
run->errlin = var->line;
|
|
return QSE_NULL;
|
|
}
|
|
qse_awk_refdownval (run, tmp);
|
|
}
|
|
else if (var->type == QSE_AWK_NDE_LOCALIDX)
|
|
{
|
|
qse_awk_refdownval (run, (qse_awk_val_t*)map);
|
|
STACK_LOCAL(run,var->id.idxa) = tmp;
|
|
qse_awk_refupval (run, tmp);
|
|
}
|
|
else /* if (var->type == QSE_AWK_NDE_ARGIDX) */
|
|
{
|
|
qse_awk_refdownval (run, (qse_awk_val_t*)map);
|
|
STACK_ARG(run,var->id.idxa) = tmp;
|
|
qse_awk_refupval (run, tmp);
|
|
}
|
|
|
|
map = (qse_awk_val_map_t*) tmp;
|
|
}
|
|
else if (map->type != QSE_AWK_VAL_MAP)
|
|
{
|
|
/* variable assigned is not a map */
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOTIDX, var->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
len = QSE_COUNTOF(idxbuf);
|
|
str = idxnde_to_str (run, var->idx, idxbuf, &len);
|
|
if (str == QSE_NULL)
|
|
{
|
|
str = idxnde_to_str (run, var->idx, QSE_NULL, &len);
|
|
if (str == QSE_NULL) return QSE_NULL;
|
|
}
|
|
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (QSE_T("**** index str=>%s, map->ref=%d, map->type=%d\n"),
|
|
str, (int)map->ref, (int)map->type);
|
|
#endif
|
|
|
|
if (qse_map_upsert (map->map, str, len, val, 0) == QSE_NULL)
|
|
{
|
|
if (str != idxbuf) QSE_AWK_FREE (run->awk, str);
|
|
qse_awk_setrunerror (run, QSE_AWK_ENOMEM, var->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (str != idxbuf) QSE_AWK_FREE (run->awk, str);
|
|
qse_awk_refupval (run, val);
|
|
return val;
|
|
}
|
|
|
|
static qse_awk_val_t* do_assignment_pos (
|
|
qse_awk_run_t* run, qse_awk_nde_pos_t* pos, qse_awk_val_t* val)
|
|
{
|
|
qse_awk_val_t* v;
|
|
qse_long_t lv;
|
|
qse_real_t rv;
|
|
qse_char_t* str;
|
|
qse_size_t len;
|
|
int n;
|
|
|
|
v = eval_expression (run, pos->val);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, v);
|
|
n = qse_awk_valtonum (run, v, &lv, &rv);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (n == -1)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EPOSIDX, pos->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
if (n == 1) lv = (qse_long_t)rv;
|
|
if (!IS_VALID_POSIDX(lv))
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EPOSIDX, pos->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (val->type == QSE_AWK_VAL_STR)
|
|
{
|
|
str = ((qse_awk_val_str_t*)val)->buf;
|
|
len = ((qse_awk_val_str_t*)val)->len;
|
|
}
|
|
else
|
|
{
|
|
str = qse_awk_valtostr (
|
|
run, val, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &len);
|
|
if (str == QSE_NULL)
|
|
{
|
|
/* change error line */
|
|
run->errlin = pos->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
n = qse_awk_setrec (run, (qse_size_t)lv, str, len);
|
|
|
|
if (val->type != QSE_AWK_VAL_STR) QSE_AWK_FREE (run->awk, str);
|
|
|
|
if (n == -1) return QSE_NULL;
|
|
return (lv == 0)? run->inrec.d0: run->inrec.flds[lv-1].val;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binary (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
static binop_func_t binop_func[] =
|
|
{
|
|
/* the order of the functions should be inline with
|
|
* the operator declaration in run.h */
|
|
|
|
QSE_NULL, /* eval_binop_lor */
|
|
QSE_NULL, /* eval_binop_land */
|
|
QSE_NULL, /* eval_binop_in */
|
|
|
|
eval_binop_bor,
|
|
eval_binop_bxor,
|
|
eval_binop_band,
|
|
|
|
eval_binop_eq,
|
|
eval_binop_ne,
|
|
eval_binop_gt,
|
|
eval_binop_ge,
|
|
eval_binop_lt,
|
|
eval_binop_le,
|
|
|
|
eval_binop_lshift,
|
|
eval_binop_rshift,
|
|
|
|
eval_binop_plus,
|
|
eval_binop_minus,
|
|
eval_binop_mul,
|
|
eval_binop_div,
|
|
eval_binop_idiv,
|
|
eval_binop_mod,
|
|
eval_binop_exp,
|
|
|
|
eval_binop_concat,
|
|
QSE_NULL, /* eval_binop_ma */
|
|
QSE_NULL /* eval_binop_nm */
|
|
};
|
|
|
|
qse_awk_nde_exp_t* exp = (qse_awk_nde_exp_t*)nde;
|
|
qse_awk_val_t* left, * right, * res;
|
|
|
|
QSE_ASSERT (exp->type == QSE_AWK_NDE_EXP_BIN);
|
|
|
|
if (exp->opcode == QSE_AWK_BINOP_LAND)
|
|
{
|
|
res = eval_binop_land (run, exp->left, exp->right);
|
|
}
|
|
else if (exp->opcode == QSE_AWK_BINOP_LOR)
|
|
{
|
|
res = eval_binop_lor (run, exp->left, exp->right);
|
|
}
|
|
else if (exp->opcode == QSE_AWK_BINOP_IN)
|
|
{
|
|
/* treat the in operator specially */
|
|
res = eval_binop_in (run, exp->left, exp->right);
|
|
}
|
|
else if (exp->opcode == QSE_AWK_BINOP_NM)
|
|
{
|
|
res = eval_binop_nm (run, exp->left, exp->right);
|
|
}
|
|
else if (exp->opcode == QSE_AWK_BINOP_MA)
|
|
{
|
|
res = eval_binop_ma (run, exp->left, exp->right);
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERT (exp->left->next == QSE_NULL);
|
|
left = eval_expression (run, exp->left);
|
|
if (left == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, left);
|
|
|
|
QSE_ASSERT (exp->right->next == QSE_NULL);
|
|
right = eval_expression (run, exp->right);
|
|
if (right == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, right);
|
|
|
|
QSE_ASSERT (exp->opcode >= 0 &&
|
|
exp->opcode < QSE_COUNTOF(binop_func));
|
|
QSE_ASSERT (binop_func[exp->opcode] != QSE_NULL);
|
|
|
|
res = binop_func[exp->opcode] (run, left, right);
|
|
if (res == QSE_NULL)
|
|
{
|
|
/* change the error line */
|
|
run->errlin = nde->line;
|
|
}
|
|
|
|
qse_awk_refdownval (run, left);
|
|
qse_awk_refdownval (run, right);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_lor (
|
|
qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right)
|
|
{
|
|
/*
|
|
qse_awk_val_t* res = QSE_NULL;
|
|
|
|
res = qse_awk_makeintval (run,
|
|
qse_awk_valtobool(run left) || qse_awk_valtobool(run,right));
|
|
if (res == QSE_NULL)
|
|
{
|
|
run->errlin = left->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
return res;
|
|
*/
|
|
|
|
/* short-circuit evaluation required special treatment */
|
|
qse_awk_val_t* lv, * rv, * res;
|
|
|
|
QSE_ASSERT (left->next == QSE_NULL);
|
|
lv = eval_expression (run, left);
|
|
if (lv == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, lv);
|
|
if (qse_awk_valtobool (run, lv))
|
|
{
|
|
res = qse_awk_val_one;
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERT (right->next == QSE_NULL);
|
|
rv = eval_expression (run, right);
|
|
if (rv == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, lv);
|
|
return QSE_NULL;
|
|
}
|
|
qse_awk_refupval (run, rv);
|
|
|
|
res = qse_awk_valtobool(run,rv)? qse_awk_val_one: qse_awk_val_zero;
|
|
qse_awk_refdownval (run, rv);
|
|
}
|
|
|
|
qse_awk_refdownval (run, lv);
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_land (
|
|
qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right)
|
|
{
|
|
/*
|
|
qse_awk_val_t* res = QSE_NULL;
|
|
|
|
res = qse_awk_makeintval (run,
|
|
qse_awk_valtobool(run,left) && qse_awk_valtobool(run,right));
|
|
if (res == QSE_NULL)
|
|
{
|
|
run->errlin = left->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
return res;
|
|
*/
|
|
|
|
/* short-circuit evaluation required special treatment */
|
|
qse_awk_val_t* lv, * rv, * res;
|
|
|
|
QSE_ASSERT (left->next == QSE_NULL);
|
|
lv = eval_expression (run, left);
|
|
if (lv == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, lv);
|
|
if (!qse_awk_valtobool (run, lv))
|
|
{
|
|
res = qse_awk_val_zero;
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERT (right->next == QSE_NULL);
|
|
rv = eval_expression (run, right);
|
|
if (rv == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, lv);
|
|
return QSE_NULL;
|
|
}
|
|
qse_awk_refupval (run, rv);
|
|
|
|
res = qse_awk_valtobool(run,rv)? qse_awk_val_one: qse_awk_val_zero;
|
|
qse_awk_refdownval (run, rv);
|
|
}
|
|
|
|
qse_awk_refdownval (run, lv);
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_in (
|
|
qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right)
|
|
{
|
|
qse_awk_val_t* rv;
|
|
qse_char_t* str;
|
|
qse_size_t len;
|
|
qse_char_t idxbuf[IDXBUFSIZE];
|
|
|
|
if (right->type != QSE_AWK_NDE_GLOBAL &&
|
|
right->type != QSE_AWK_NDE_LOCAL &&
|
|
right->type != QSE_AWK_NDE_ARG &&
|
|
right->type != QSE_AWK_NDE_NAMED)
|
|
{
|
|
/* the compiler should have handled this case */
|
|
QSE_ASSERT (
|
|
!"should never happen - in needs a plain variable");
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EINTERN, right->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
/* evaluate the left-hand side of the operator */
|
|
len = QSE_COUNTOF(idxbuf);
|
|
str = (left->type == QSE_AWK_NDE_GRP)?
|
|
idxnde_to_str (run, ((qse_awk_nde_grp_t*)left)->body, idxbuf, &len):
|
|
idxnde_to_str (run, left, idxbuf, &len);
|
|
if (str == QSE_NULL)
|
|
{
|
|
str = (left->type == QSE_AWK_NDE_GRP)?
|
|
idxnde_to_str (run, ((qse_awk_nde_grp_t*)left)->body, QSE_NULL, &len):
|
|
idxnde_to_str (run, left, QSE_NULL, &len);
|
|
if (str == QSE_NULL) return QSE_NULL;
|
|
}
|
|
|
|
/* evaluate the right-hand side of the operator */
|
|
QSE_ASSERT (right->next == QSE_NULL);
|
|
rv = eval_expression (run, right);
|
|
if (rv == QSE_NULL)
|
|
{
|
|
if (str != idxbuf) QSE_AWK_FREE (run->awk, str);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, rv);
|
|
|
|
if (rv->type == QSE_AWK_VAL_NIL)
|
|
{
|
|
if (str != idxbuf) QSE_AWK_FREE (run->awk, str);
|
|
qse_awk_refdownval (run, rv);
|
|
return qse_awk_val_zero;
|
|
}
|
|
else if (rv->type == QSE_AWK_VAL_MAP)
|
|
{
|
|
qse_awk_val_t* res;
|
|
qse_map_t* map;
|
|
|
|
map = ((qse_awk_val_map_t*)rv)->map;
|
|
res = (qse_map_search (map, str, len) == QSE_NULL)?
|
|
qse_awk_val_zero: qse_awk_val_one;
|
|
|
|
if (str != idxbuf) QSE_AWK_FREE (run->awk, str);
|
|
qse_awk_refdownval (run, rv);
|
|
return res;
|
|
}
|
|
|
|
/* need a map */
|
|
if (str != idxbuf) QSE_AWK_FREE (run->awk, str);
|
|
qse_awk_refdownval (run, rv);
|
|
|
|
qse_awk_setrunerror (run, QSE_AWK_ENOTMAPNILIN, right->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_bor (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
QSE_ASSERT (n3 >= 0 && n3 <= 3);
|
|
return (n3 == 0)? qse_awk_makeintval(run,(qse_long_t)l1|(qse_long_t)l2):
|
|
(n3 == 1)? qse_awk_makeintval(run,(qse_long_t)r1|(qse_long_t)l2):
|
|
(n3 == 2)? qse_awk_makeintval(run,(qse_long_t)l1|(qse_long_t)r2):
|
|
qse_awk_makeintval(run,(qse_long_t)r1|(qse_long_t)r2);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_bxor (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
QSE_ASSERT (n3 >= 0 && n3 <= 3);
|
|
return (n3 == 0)? qse_awk_makeintval(run,(qse_long_t)l1^(qse_long_t)l2):
|
|
(n3 == 1)? qse_awk_makeintval(run,(qse_long_t)r1^(qse_long_t)l2):
|
|
(n3 == 2)? qse_awk_makeintval(run,(qse_long_t)l1^(qse_long_t)r2):
|
|
qse_awk_makeintval(run,(qse_long_t)r1^(qse_long_t)r2);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_band (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
QSE_ASSERT (n3 >= 0 && n3 <= 3);
|
|
return (n3 == 0)? qse_awk_makeintval(run,(qse_long_t)l1&(qse_long_t)l2):
|
|
(n3 == 1)? qse_awk_makeintval(run,(qse_long_t)r1&(qse_long_t)l2):
|
|
(n3 == 2)? qse_awk_makeintval(run,(qse_long_t)l1&(qse_long_t)r2):
|
|
qse_awk_makeintval(run,(qse_long_t)r1&(qse_long_t)r2);
|
|
}
|
|
|
|
static int __cmp_nil_nil (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_nil_int (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
if (((qse_awk_val_int_t*)right)->val < 0) return 1;
|
|
if (((qse_awk_val_int_t*)right)->val > 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_nil_real (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
if (((qse_awk_val_real_t*)right)->val < 0) return 1;
|
|
if (((qse_awk_val_real_t*)right)->val > 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_nil_str (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
return (((qse_awk_val_str_t*)right)->len == 0)? 0: -1;
|
|
}
|
|
|
|
static int __cmp_int_nil (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
if (((qse_awk_val_int_t*)left)->val > 0) return 1;
|
|
if (((qse_awk_val_int_t*)left)->val < 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_int_int (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
if (((qse_awk_val_int_t*)left)->val >
|
|
((qse_awk_val_int_t*)right)->val) return 1;
|
|
if (((qse_awk_val_int_t*)left)->val <
|
|
((qse_awk_val_int_t*)right)->val) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_int_real (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
if (((qse_awk_val_int_t*)left)->val >
|
|
((qse_awk_val_real_t*)right)->val) return 1;
|
|
if (((qse_awk_val_int_t*)left)->val <
|
|
((qse_awk_val_real_t*)right)->val) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_int_str (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
qse_char_t* str;
|
|
qse_size_t len;
|
|
qse_long_t r;
|
|
qse_real_t rr;
|
|
int n;
|
|
|
|
r = qse_awk_strxtolong (run->awk,
|
|
((qse_awk_val_str_t*)right)->buf,
|
|
((qse_awk_val_str_t*)right)->len, 0, (const qse_char_t**)&str);
|
|
if (str == ((qse_awk_val_str_t*)right)->buf +
|
|
((qse_awk_val_str_t*)right)->len)
|
|
{
|
|
if (((qse_awk_val_int_t*)left)->val > r) return 1;
|
|
if (((qse_awk_val_int_t*)left)->val < r) return -1;
|
|
return 0;
|
|
}
|
|
/* TODO: should i do this??? conversion to real and comparision... */
|
|
else if (*str == QSE_T('.') || *str == QSE_T('E') || *str == QSE_T('e'))
|
|
{
|
|
rr = qse_awk_strxtoreal (run->awk,
|
|
((qse_awk_val_str_t*)right)->buf,
|
|
((qse_awk_val_str_t*)right)->len,
|
|
(const qse_char_t**)&str);
|
|
if (str == ((qse_awk_val_str_t*)right)->buf +
|
|
((qse_awk_val_str_t*)right)->len)
|
|
{
|
|
if (((qse_awk_val_int_t*)left)->val > rr) return 1;
|
|
if (((qse_awk_val_int_t*)left)->val < rr) return -1;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
str = qse_awk_valtostr (
|
|
run, left, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &len);
|
|
if (str == QSE_NULL) return CMP_ERROR;
|
|
|
|
if (run->global.ignorecase)
|
|
{
|
|
n = qse_strxncasecmp (
|
|
str, len,
|
|
((qse_awk_val_str_t*)right)->buf,
|
|
((qse_awk_val_str_t*)right)->len,
|
|
CCLS(run));
|
|
}
|
|
else
|
|
{
|
|
n = qse_strxncmp (
|
|
str, len,
|
|
((qse_awk_val_str_t*)right)->buf,
|
|
((qse_awk_val_str_t*)right)->len);
|
|
}
|
|
|
|
QSE_AWK_FREE (run->awk, str);
|
|
return n;
|
|
}
|
|
|
|
static int __cmp_real_nil (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
if (((qse_awk_val_real_t*)left)->val > 0) return 1;
|
|
if (((qse_awk_val_real_t*)left)->val < 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_real_int (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
if (((qse_awk_val_real_t*)left)->val >
|
|
((qse_awk_val_int_t*)right)->val) return 1;
|
|
if (((qse_awk_val_real_t*)left)->val <
|
|
((qse_awk_val_int_t*)right)->val) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_real_real (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
if (((qse_awk_val_real_t*)left)->val >
|
|
((qse_awk_val_real_t*)right)->val) return 1;
|
|
if (((qse_awk_val_real_t*)left)->val <
|
|
((qse_awk_val_real_t*)right)->val) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_real_str (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
qse_char_t* str;
|
|
qse_size_t len;
|
|
qse_real_t rr;
|
|
int n;
|
|
|
|
rr = qse_awk_strxtoreal (run->awk,
|
|
((qse_awk_val_str_t*)right)->buf,
|
|
((qse_awk_val_str_t*)right)->len,
|
|
(const qse_char_t**)&str);
|
|
if (str == ((qse_awk_val_str_t*)right)->buf +
|
|
((qse_awk_val_str_t*)right)->len)
|
|
{
|
|
if (((qse_awk_val_real_t*)left)->val > rr) return 1;
|
|
if (((qse_awk_val_real_t*)left)->val < rr) return -1;
|
|
return 0;
|
|
}
|
|
|
|
str = qse_awk_valtostr (
|
|
run, left, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &len);
|
|
if (str == QSE_NULL) return CMP_ERROR;
|
|
|
|
if (run->global.ignorecase)
|
|
{
|
|
n = qse_strxncasecmp (
|
|
str, len,
|
|
((qse_awk_val_str_t*)right)->buf,
|
|
((qse_awk_val_str_t*)right)->len,
|
|
CCLS(run));
|
|
}
|
|
else
|
|
{
|
|
n = qse_strxncmp (
|
|
str, len,
|
|
((qse_awk_val_str_t*)right)->buf,
|
|
((qse_awk_val_str_t*)right)->len);
|
|
}
|
|
|
|
QSE_AWK_FREE (run->awk, str);
|
|
return n;
|
|
}
|
|
|
|
static int __cmp_str_nil (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
return (((qse_awk_val_str_t*)left)->len == 0)? 0: 1;
|
|
}
|
|
|
|
static int __cmp_str_int (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
return -__cmp_int_str (run, right, left);
|
|
}
|
|
|
|
static int __cmp_str_real (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
return -__cmp_real_str (run, right, left);
|
|
}
|
|
|
|
static int __cmp_str_str (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n;
|
|
qse_awk_val_str_t* ls, * rs;
|
|
|
|
ls = (qse_awk_val_str_t*)left;
|
|
rs = (qse_awk_val_str_t*)right;
|
|
|
|
if (run->global.ignorecase)
|
|
{
|
|
n = qse_strxncasecmp (
|
|
ls->buf, ls->len, rs->buf, rs->len, CCLS(run));
|
|
}
|
|
else
|
|
{
|
|
n = qse_strxncmp (
|
|
ls->buf, ls->len, rs->buf, rs->len);
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
static int __cmp_val (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
typedef int (*cmp_val_t) (qse_awk_run_t*, qse_awk_val_t*, qse_awk_val_t*);
|
|
|
|
static cmp_val_t func[] =
|
|
{
|
|
/* this table must be synchronized with
|
|
* the QSE_AWK_VAL_XXX values in awk.h */
|
|
__cmp_nil_nil, __cmp_nil_int, __cmp_nil_real, __cmp_nil_str,
|
|
__cmp_int_nil, __cmp_int_int, __cmp_int_real, __cmp_int_str,
|
|
__cmp_real_nil, __cmp_real_int, __cmp_real_real, __cmp_real_str,
|
|
__cmp_str_nil, __cmp_str_int, __cmp_str_real, __cmp_str_str,
|
|
};
|
|
|
|
if (left->type == QSE_AWK_VAL_MAP || right->type == QSE_AWK_VAL_MAP)
|
|
{
|
|
/* a map can't be compared againt other values */
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return CMP_ERROR;
|
|
}
|
|
|
|
QSE_ASSERT (
|
|
left->type >= QSE_AWK_VAL_NIL &&
|
|
left->type <= QSE_AWK_VAL_STR);
|
|
QSE_ASSERT (
|
|
right->type >= QSE_AWK_VAL_NIL &&
|
|
right->type <= QSE_AWK_VAL_STR);
|
|
|
|
return func[left->type*4+right->type] (run, left, right);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_eq (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return QSE_NULL;
|
|
return (n == 0)? qse_awk_val_one: qse_awk_val_zero;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_ne (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return QSE_NULL;
|
|
return (n != 0)? qse_awk_val_one: qse_awk_val_zero;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_gt (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return QSE_NULL;
|
|
return (n > 0)? qse_awk_val_one: qse_awk_val_zero;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_ge (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return QSE_NULL;
|
|
return (n >= 0)? qse_awk_val_one: qse_awk_val_zero;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_lt (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return QSE_NULL;
|
|
return (n < 0)? qse_awk_val_one: qse_awk_val_zero;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_le (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return QSE_NULL;
|
|
return (n <= 0)? qse_awk_val_one: qse_awk_val_zero;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_lshift (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
return qse_awk_makeintval (run, (qse_long_t)l1<<(qse_long_t)l2);
|
|
}
|
|
else
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_rshift (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
return qse_awk_makeintval (
|
|
run, (qse_long_t)l1>>(qse_long_t)l2);
|
|
}
|
|
else
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_plus (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
/*
|
|
n1 n2 n3
|
|
0 0 = 0
|
|
1 0 = 1
|
|
0 1 = 2
|
|
1 1 = 3
|
|
*/
|
|
n3 = n1 + (n2 << 1);
|
|
QSE_ASSERT (n3 >= 0 && n3 <= 3);
|
|
|
|
return (n3 == 0)? qse_awk_makeintval(run,(qse_long_t)l1+(qse_long_t)l2):
|
|
(n3 == 1)? qse_awk_makerealval(run,(qse_real_t)r1+(qse_real_t)l2):
|
|
(n3 == 2)? qse_awk_makerealval(run,(qse_real_t)l1+(qse_real_t)r2):
|
|
qse_awk_makerealval(run,(qse_real_t)r1+(qse_real_t)r2);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_minus (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
QSE_ASSERT (n3 >= 0 && n3 <= 3);
|
|
return (n3 == 0)? qse_awk_makeintval(run,(qse_long_t)l1-(qse_long_t)l2):
|
|
(n3 == 1)? qse_awk_makerealval(run,(qse_real_t)r1-(qse_real_t)l2):
|
|
(n3 == 2)? qse_awk_makerealval(run,(qse_real_t)l1-(qse_real_t)r2):
|
|
qse_awk_makerealval(run,(qse_real_t)r1-(qse_real_t)r2);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_mul (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
QSE_ASSERT (n3 >= 0 && n3 <= 3);
|
|
return (n3 == 0)? qse_awk_makeintval(run,(qse_long_t)l1*(qse_long_t)l2):
|
|
(n3 == 1)? qse_awk_makerealval(run,(qse_real_t)r1*(qse_real_t)l2):
|
|
(n3 == 2)? qse_awk_makerealval(run,(qse_real_t)l1*(qse_real_t)r2):
|
|
qse_awk_makerealval(run,(qse_real_t)r1*(qse_real_t)r2);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_div (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
qse_awk_val_t* res;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
if (l2 == 0)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EDIVBY0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (((qse_long_t)l1 % (qse_long_t)l2) == 0)
|
|
{
|
|
res = qse_awk_makeintval (
|
|
run, (qse_long_t)l1 / (qse_long_t)l2);
|
|
}
|
|
else
|
|
{
|
|
res = qse_awk_makerealval (
|
|
run, (qse_real_t)l1 / (qse_real_t)l2);
|
|
}
|
|
}
|
|
else if (n3 == 1)
|
|
{
|
|
res = qse_awk_makerealval (
|
|
run, (qse_real_t)r1 / (qse_real_t)l2);
|
|
}
|
|
else if (n3 == 2)
|
|
{
|
|
res = qse_awk_makerealval (
|
|
run, (qse_real_t)l1 / (qse_real_t)r2);
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERT (n3 == 3);
|
|
res = qse_awk_makerealval (
|
|
run, (qse_real_t)r1 / (qse_real_t)r2);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_idiv (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2, quo;
|
|
qse_awk_val_t* res;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
if (l2 == 0)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EDIVBY0);
|
|
return QSE_NULL;
|
|
}
|
|
res = qse_awk_makeintval (
|
|
run, (qse_long_t)l1 / (qse_long_t)l2);
|
|
}
|
|
else if (n3 == 1)
|
|
{
|
|
quo = (qse_real_t)r1 / (qse_real_t)l2;
|
|
res = qse_awk_makeintval (run, (qse_long_t)quo);
|
|
}
|
|
else if (n3 == 2)
|
|
{
|
|
quo = (qse_real_t)l1 / (qse_real_t)r2;
|
|
res = qse_awk_makeintval (run, (qse_long_t)quo);
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERT (n3 == 3);
|
|
|
|
quo = (qse_real_t)r1 / (qse_real_t)r2;
|
|
res = qse_awk_makeintval (run, (qse_long_t)quo);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_mod (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
qse_awk_val_t* res;
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
if (l2 == 0)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EDIVBY0);
|
|
return QSE_NULL;
|
|
}
|
|
res = qse_awk_makeintval (
|
|
run, (qse_long_t)l1 % (qse_long_t)l2);
|
|
}
|
|
else
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_exp (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
qse_long_t l1, l2;
|
|
qse_real_t r1, r2;
|
|
qse_awk_val_t* res;
|
|
|
|
QSE_ASSERTX (run->awk->prmfns->pow != QSE_NULL,
|
|
"the pow function should be provided when the awk object is created to make the exponentiation work properly.");
|
|
|
|
n1 = qse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = qse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EOPERAND);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
/* left - int, right - int */
|
|
if (l2 >= 0)
|
|
{
|
|
qse_long_t v = 1;
|
|
while (l2-- > 0) v *= l1;
|
|
res = qse_awk_makeintval (run, v);
|
|
}
|
|
else if (l1 == 0)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EDIVBY0);
|
|
return QSE_NULL;
|
|
}
|
|
else
|
|
{
|
|
qse_real_t v = 1.0;
|
|
l2 *= -1;
|
|
while (l2-- > 0) v /= l1;
|
|
res = qse_awk_makerealval (run, v);
|
|
}
|
|
}
|
|
else if (n3 == 1)
|
|
{
|
|
/* left - real, right - int */
|
|
if (l2 >= 0)
|
|
{
|
|
qse_real_t v = 1.0;
|
|
while (l2-- > 0) v *= r1;
|
|
res = qse_awk_makerealval (run, v);
|
|
}
|
|
else if (r1 == 0.0)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EDIVBY0);
|
|
return QSE_NULL;
|
|
}
|
|
else
|
|
{
|
|
qse_real_t v = 1.0;
|
|
l2 *= -1;
|
|
while (l2-- > 0) v /= r1;
|
|
res = qse_awk_makerealval (run, v);
|
|
}
|
|
}
|
|
else if (n3 == 2)
|
|
{
|
|
/* left - int, right - real */
|
|
res = qse_awk_makerealval (run,
|
|
run->awk->prmfns->pow (
|
|
run->awk->prmfns->data,
|
|
(qse_real_t)l1,(qse_real_t)r2));
|
|
}
|
|
else
|
|
{
|
|
/* left - real, right - real */
|
|
QSE_ASSERT (n3 == 3);
|
|
res = qse_awk_makerealval (run,
|
|
run->awk->prmfns->pow(
|
|
run->awk->prmfns->data,
|
|
(qse_real_t)r1,(qse_real_t)r2));
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_concat (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right)
|
|
{
|
|
qse_char_t* strl, * strr;
|
|
qse_size_t strl_len, strr_len;
|
|
qse_awk_val_t* res;
|
|
|
|
strl = qse_awk_valtostr (
|
|
run, left, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &strl_len);
|
|
if (strl == QSE_NULL) return QSE_NULL;
|
|
|
|
strr = qse_awk_valtostr (
|
|
run, right, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &strr_len);
|
|
if (strr == QSE_NULL)
|
|
{
|
|
QSE_AWK_FREE (run->awk, strl);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res = qse_awk_makestrval2 (run, strl, strl_len, strr, strr_len);
|
|
|
|
QSE_AWK_FREE (run->awk, strl);
|
|
QSE_AWK_FREE (run->awk, strr);
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_ma (
|
|
qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right)
|
|
{
|
|
qse_awk_val_t* lv, * rv, * res;
|
|
|
|
QSE_ASSERT (left->next == QSE_NULL);
|
|
QSE_ASSERT (right->next == QSE_NULL);
|
|
|
|
lv = eval_expression (run, left);
|
|
if (lv == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, lv);
|
|
|
|
rv = eval_expression0 (run, right);
|
|
if (rv == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, lv);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, rv);
|
|
|
|
res = eval_binop_match0 (run, lv, rv, left->line, right->line, 1);
|
|
|
|
qse_awk_refdownval (run, rv);
|
|
qse_awk_refdownval (run, lv);
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_nm (
|
|
qse_awk_run_t* run, qse_awk_nde_t* left, qse_awk_nde_t* right)
|
|
{
|
|
qse_awk_val_t* lv, * rv, * res;
|
|
|
|
QSE_ASSERT (left->next == QSE_NULL);
|
|
QSE_ASSERT (right->next == QSE_NULL);
|
|
|
|
lv = eval_expression (run, left);
|
|
if (lv == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, lv);
|
|
|
|
rv = eval_expression0 (run, right);
|
|
if (rv == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, lv);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, rv);
|
|
|
|
res = eval_binop_match0 (
|
|
run, lv, rv, left->line, right->line, 0);
|
|
|
|
qse_awk_refdownval (run, rv);
|
|
qse_awk_refdownval (run, lv);
|
|
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_binop_match0 (
|
|
qse_awk_run_t* run, qse_awk_val_t* left, qse_awk_val_t* right,
|
|
qse_size_t lline, qse_size_t rline, int ret)
|
|
{
|
|
qse_awk_val_t* res;
|
|
int n, errnum;
|
|
qse_char_t* str;
|
|
qse_size_t len;
|
|
void* rex_code;
|
|
|
|
if (right->type == QSE_AWK_VAL_REX)
|
|
{
|
|
rex_code = ((qse_awk_val_rex_t*)right)->code;
|
|
}
|
|
else if (right->type == QSE_AWK_VAL_STR)
|
|
{
|
|
rex_code = QSE_AWK_BUILDREX (
|
|
run->awk,
|
|
((qse_awk_val_str_t*)right)->buf,
|
|
((qse_awk_val_str_t*)right)->len, &errnum);
|
|
if (rex_code == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerror (run, errnum, rline, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
str = qse_awk_valtostr (
|
|
run, right, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &len);
|
|
if (str == QSE_NULL) return QSE_NULL;
|
|
|
|
rex_code = QSE_AWK_BUILDREX (run->awk, str, len, &errnum);
|
|
if (rex_code == QSE_NULL)
|
|
{
|
|
QSE_AWK_FREE (run->awk, str);
|
|
|
|
qse_awk_setrunerror (run, errnum, rline, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
QSE_AWK_FREE (run->awk, str);
|
|
}
|
|
|
|
if (left->type == QSE_AWK_VAL_STR)
|
|
{
|
|
n = QSE_AWK_MATCHREX (
|
|
run->awk, rex_code,
|
|
((run->global.ignorecase)? QSE_REX_IGNORECASE: 0),
|
|
((qse_awk_val_str_t*)left)->buf,
|
|
((qse_awk_val_str_t*)left)->len,
|
|
QSE_NULL, QSE_NULL, &errnum);
|
|
if (n == -1)
|
|
{
|
|
if (right->type != QSE_AWK_VAL_REX)
|
|
QSE_AWK_FREE (run->awk, rex_code);
|
|
|
|
qse_awk_setrunerror (run, errnum, lline, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res = qse_awk_makeintval (run, (n == ret));
|
|
if (res == QSE_NULL)
|
|
{
|
|
if (right->type != QSE_AWK_VAL_REX)
|
|
QSE_AWK_FREE (run->awk, rex_code);
|
|
|
|
/* adjust error line */
|
|
run->errlin = lline;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
str = qse_awk_valtostr (
|
|
run, left, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &len);
|
|
if (str == QSE_NULL)
|
|
{
|
|
if (right->type != QSE_AWK_VAL_REX)
|
|
QSE_AWK_FREE (run->awk, rex_code);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n = QSE_AWK_MATCHREX (
|
|
run->awk, rex_code,
|
|
((run->global.ignorecase)? QSE_REX_IGNORECASE: 0),
|
|
str, len, QSE_NULL, QSE_NULL, &errnum);
|
|
if (n == -1)
|
|
{
|
|
QSE_AWK_FREE (run->awk, str);
|
|
if (right->type != QSE_AWK_VAL_REX)
|
|
QSE_AWK_FREE (run->awk, rex_code);
|
|
|
|
qse_awk_setrunerror (run, errnum, lline, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res = qse_awk_makeintval (run, (n == ret));
|
|
if (res == QSE_NULL)
|
|
{
|
|
QSE_AWK_FREE (run->awk, str);
|
|
if (right->type != QSE_AWK_VAL_REX)
|
|
QSE_AWK_FREE (run->awk, rex_code);
|
|
|
|
/* adjust error line */
|
|
run->errlin = lline;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
QSE_AWK_FREE (run->awk, str);
|
|
}
|
|
|
|
if (right->type != QSE_AWK_VAL_REX) QSE_AWK_FREE (run->awk, rex_code);
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_unary (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* left, * res = QSE_NULL;
|
|
qse_awk_nde_exp_t* exp = (qse_awk_nde_exp_t*)nde;
|
|
int n;
|
|
qse_long_t l;
|
|
qse_real_t r;
|
|
|
|
QSE_ASSERT (
|
|
exp->type == QSE_AWK_NDE_EXP_UNR);
|
|
QSE_ASSERT (
|
|
exp->left != QSE_NULL && exp->right == QSE_NULL);
|
|
QSE_ASSERT (
|
|
exp->opcode == QSE_AWK_UNROP_PLUS ||
|
|
exp->opcode == QSE_AWK_UNROP_MINUS ||
|
|
exp->opcode == QSE_AWK_UNROP_LNOT ||
|
|
exp->opcode == QSE_AWK_UNROP_BNOT);
|
|
|
|
QSE_ASSERT (exp->left->next == QSE_NULL);
|
|
left = eval_expression (run, exp->left);
|
|
if (left == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, left);
|
|
|
|
if (exp->opcode == QSE_AWK_UNROP_MINUS)
|
|
{
|
|
n = qse_awk_valtonum (run, left, &l, &r);
|
|
if (n == -1) goto exit_func;
|
|
|
|
res = (n == 0)? qse_awk_makeintval (run, -l):
|
|
qse_awk_makerealval (run, -r);
|
|
}
|
|
else if (exp->opcode == QSE_AWK_UNROP_LNOT)
|
|
{
|
|
if (left->type == QSE_AWK_VAL_STR)
|
|
{
|
|
res = qse_awk_makeintval (
|
|
run, !(((qse_awk_val_str_t*)left)->len > 0));
|
|
}
|
|
else
|
|
{
|
|
n = qse_awk_valtonum (run, left, &l, &r);
|
|
if (n == -1) goto exit_func;
|
|
|
|
res = (n == 0)? qse_awk_makeintval (run, !l):
|
|
qse_awk_makerealval (run, !r);
|
|
}
|
|
}
|
|
else if (exp->opcode == QSE_AWK_UNROP_BNOT)
|
|
{
|
|
n = qse_awk_valtonum (run, left, &l, &r);
|
|
if (n == -1) goto exit_func;
|
|
|
|
if (n == 1) l = (qse_long_t)r;
|
|
res = qse_awk_makeintval (run, ~l);
|
|
}
|
|
else if (exp->opcode == QSE_AWK_UNROP_PLUS)
|
|
{
|
|
n = qse_awk_valtonum (run, left, &l, &r);
|
|
if (n == -1) goto exit_func;
|
|
|
|
res = (n == 0)? qse_awk_makeintval (run, l):
|
|
qse_awk_makerealval (run, r);
|
|
}
|
|
|
|
exit_func:
|
|
qse_awk_refdownval (run, left);
|
|
if (res == QSE_NULL) run->errlin = nde->line;
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_incpre (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* left, * res;
|
|
qse_awk_nde_exp_t* exp = (qse_awk_nde_exp_t*)nde;
|
|
|
|
QSE_ASSERT (exp->type == QSE_AWK_NDE_EXP_INCPRE);
|
|
QSE_ASSERT (exp->left != QSE_NULL && exp->right == QSE_NULL);
|
|
|
|
/* this way of checking if the l-value is assignable is
|
|
* ugly as it is dependent of the values defined in tree.h.
|
|
* but let's keep going this way for the time being. */
|
|
if (exp->left->type < QSE_AWK_NDE_NAMED ||
|
|
/*exp->left->type > QSE_AWK_NDE_ARGIDX) XXX */
|
|
exp->left->type > QSE_AWK_NDE_POS)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EOPERAND, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
QSE_ASSERT (exp->left->next == QSE_NULL);
|
|
left = eval_expression (run, exp->left);
|
|
if (left == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, left);
|
|
|
|
if (exp->opcode == QSE_AWK_INCOP_PLUS)
|
|
{
|
|
if (left->type == QSE_AWK_VAL_INT)
|
|
{
|
|
qse_long_t r = ((qse_awk_val_int_t*)left)->val;
|
|
res = qse_awk_makeintval (run, r + 1);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else if (left->type == QSE_AWK_VAL_REAL)
|
|
{
|
|
qse_real_t r = ((qse_awk_val_real_t*)left)->val;
|
|
res = qse_awk_makerealval (run, r + 1.0);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qse_long_t v1;
|
|
qse_real_t v2;
|
|
int n;
|
|
|
|
n = qse_awk_valtonum (run, left, &v1, &v2);
|
|
if (n == -1)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/*
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EOPERAND, nde->line,
|
|
QSE_NULL, 0);
|
|
*/
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
res = qse_awk_makeintval (run, v1 + 1);
|
|
}
|
|
else /* if (n == 1) */
|
|
{
|
|
QSE_ASSERT (n == 1);
|
|
res = qse_awk_makerealval (run, v2 + 1.0);
|
|
}
|
|
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
}
|
|
else if (exp->opcode == QSE_AWK_INCOP_MINUS)
|
|
{
|
|
if (left->type == QSE_AWK_VAL_INT)
|
|
{
|
|
qse_long_t r = ((qse_awk_val_int_t*)left)->val;
|
|
res = qse_awk_makeintval (run, r - 1);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else if (left->type == QSE_AWK_VAL_REAL)
|
|
{
|
|
qse_real_t r = ((qse_awk_val_real_t*)left)->val;
|
|
res = qse_awk_makerealval (run, r - 1.0);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qse_long_t v1;
|
|
qse_real_t v2;
|
|
int n;
|
|
|
|
n = qse_awk_valtonum (run, left, &v1, &v2);
|
|
if (n == -1)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/*
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EOPERAND, nde->line,
|
|
QSE_NULL, 0);
|
|
*/
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
res = qse_awk_makeintval (run, v1 - 1);
|
|
}
|
|
else /* if (n == 1) */
|
|
{
|
|
QSE_ASSERT (n == 1);
|
|
res = qse_awk_makerealval (run, v2 - 1.0);
|
|
}
|
|
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERT (
|
|
!"should never happen - invalid opcode");
|
|
qse_awk_refdownval (run, left);
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EINTERN, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (do_assignment (run, exp->left, res) == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refdownval (run, left);
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_incpst (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* left, * res, * res2;
|
|
qse_awk_nde_exp_t* exp = (qse_awk_nde_exp_t*)nde;
|
|
|
|
QSE_ASSERT (exp->type == QSE_AWK_NDE_EXP_INCPST);
|
|
QSE_ASSERT (exp->left != QSE_NULL && exp->right == QSE_NULL);
|
|
|
|
/* this way of checking if the l-value is assignable is
|
|
* ugly as it is dependent of the values defined in tree.h.
|
|
* but let's keep going this way for the time being. */
|
|
if (exp->left->type < QSE_AWK_NDE_NAMED ||
|
|
/*exp->left->type > QSE_AWK_NDE_ARGIDX) XXX */
|
|
exp->left->type > QSE_AWK_NDE_POS)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EOPERAND, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
QSE_ASSERT (exp->left->next == QSE_NULL);
|
|
left = eval_expression (run, exp->left);
|
|
if (left == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, left);
|
|
|
|
if (exp->opcode == QSE_AWK_INCOP_PLUS)
|
|
{
|
|
if (left->type == QSE_AWK_VAL_INT)
|
|
{
|
|
qse_long_t r = ((qse_awk_val_int_t*)left)->val;
|
|
res = qse_awk_makeintval (run, r);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res2 = qse_awk_makeintval (run, r + 1);
|
|
if (res2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
qse_awk_freeval (run, res, QSE_TRUE);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else if (left->type == QSE_AWK_VAL_REAL)
|
|
{
|
|
qse_real_t r = ((qse_awk_val_real_t*)left)->val;
|
|
res = qse_awk_makerealval (run, r);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res2 = qse_awk_makerealval (run, r + 1.0);
|
|
if (res2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
qse_awk_freeval (run, res, QSE_TRUE);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qse_long_t v1;
|
|
qse_real_t v2;
|
|
int n;
|
|
|
|
n = qse_awk_valtonum (run, left, &v1, &v2);
|
|
if (n == -1)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/*
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EOPERAND, nde->line,
|
|
QSE_NULL, 0);
|
|
*/
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
res = qse_awk_makeintval (run, v1);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res2 = qse_awk_makeintval (run, v1 + 1);
|
|
if (res2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
qse_awk_freeval (run, res, QSE_TRUE);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else /* if (n == 1) */
|
|
{
|
|
QSE_ASSERT (n == 1);
|
|
res = qse_awk_makerealval (run, v2);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res2 = qse_awk_makerealval (run, v2 + 1.0);
|
|
if (res2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
qse_awk_freeval (run, res, QSE_TRUE);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (exp->opcode == QSE_AWK_INCOP_MINUS)
|
|
{
|
|
if (left->type == QSE_AWK_VAL_INT)
|
|
{
|
|
qse_long_t r = ((qse_awk_val_int_t*)left)->val;
|
|
res = qse_awk_makeintval (run, r);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res2 = qse_awk_makeintval (run, r - 1);
|
|
if (res2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
qse_awk_freeval (run, res, QSE_TRUE);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else if (left->type == QSE_AWK_VAL_REAL)
|
|
{
|
|
qse_real_t r = ((qse_awk_val_real_t*)left)->val;
|
|
res = qse_awk_makerealval (run, r);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res2 = qse_awk_makerealval (run, r - 1.0);
|
|
if (res2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
qse_awk_freeval (run, res, QSE_TRUE);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qse_long_t v1;
|
|
qse_real_t v2;
|
|
int n;
|
|
|
|
n = qse_awk_valtonum (run, left, &v1, &v2);
|
|
if (n == -1)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/*
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EOPERAND, nde->line,
|
|
QSE_NULL, 0);
|
|
*/
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
res = qse_awk_makeintval (run, v1);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res2 = qse_awk_makeintval (run, v1 - 1);
|
|
if (res2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
qse_awk_freeval (run, res, QSE_TRUE);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
else /* if (n == 1) */
|
|
{
|
|
QSE_ASSERT (n == 1);
|
|
res = qse_awk_makerealval (run, v2);
|
|
if (res == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
res2 = qse_awk_makerealval (run, v2 - 1.0);
|
|
if (res2 == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
qse_awk_freeval (run, res, QSE_TRUE);
|
|
/* adjust error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
QSE_ASSERT (
|
|
!"should never happen - invalid opcode");
|
|
qse_awk_refdownval (run, left);
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EINTERN, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (do_assignment (run, exp->left, res2) == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, left);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refdownval (run, left);
|
|
return res;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_cnd (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* tv, * v;
|
|
qse_awk_nde_cnd_t* cnd = (qse_awk_nde_cnd_t*)nde;
|
|
|
|
QSE_ASSERT (cnd->test->next == QSE_NULL);
|
|
|
|
tv = eval_expression (run, cnd->test);
|
|
if (tv == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, tv);
|
|
|
|
QSE_ASSERT (
|
|
cnd->left->next == QSE_NULL &&
|
|
cnd->right->next == QSE_NULL);
|
|
v = (qse_awk_valtobool (run, tv))?
|
|
eval_expression (run, cnd->left):
|
|
eval_expression (run, cnd->right);
|
|
|
|
qse_awk_refdownval (run, tv);
|
|
return v;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_bfn (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_nde_call_t* call = (qse_awk_nde_call_t*)nde;
|
|
|
|
/* intrinsic function */
|
|
if (call->nargs < call->what.bfn.arg.min)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EARGTF, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (call->nargs > call->what.bfn.arg.max)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EARGTM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
return eval_call (
|
|
run, nde, call->what.bfn.arg.spec,
|
|
QSE_NULL, QSE_NULL, QSE_NULL);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_afn_intrinsic (
|
|
qse_awk_run_t* run, qse_awk_nde_t* nde, void(*errhandler)(void*), void* eharg)
|
|
{
|
|
qse_awk_nde_call_t* call = (qse_awk_nde_call_t*)nde;
|
|
qse_awk_afn_t* afn;
|
|
qse_map_pair_t* pair;
|
|
|
|
pair = qse_map_search (run->awk->tree.afns,
|
|
call->what.afn.name.ptr, call->what.afn.name.len);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
qse_cstr_t errarg;
|
|
|
|
errarg.ptr = call->what.afn.name.ptr;
|
|
errarg.len = call->what.afn.name.len,
|
|
|
|
qse_awk_setrunerror (run,
|
|
QSE_AWK_EFNNONE, nde->line, &errarg, 1);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
afn = (qse_awk_afn_t*)QSE_MAP_VPTR(pair);
|
|
QSE_ASSERT (afn != QSE_NULL);
|
|
|
|
if (call->nargs > afn->nargs)
|
|
{
|
|
/* TODO: is this correct? what if i want to
|
|
* allow arbitarary numbers of arguments? */
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EARGTM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
return eval_call (run, nde, QSE_NULL, afn, errhandler, eharg);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_afn (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
return eval_afn_intrinsic (run, nde, QSE_NULL, QSE_NULL);
|
|
}
|
|
|
|
/* run->stack_base has not been set for this
|
|
* stack frame. so the STACK_ARG macro cannot be used as in
|
|
* qse_awk_refdownval (run, STACK_ARG(run,nargs));*/
|
|
|
|
#define UNWIND_RUN_STACK(run,nargs) \
|
|
do { \
|
|
while ((nargs) > 0) \
|
|
{ \
|
|
--(nargs); \
|
|
qse_awk_refdownval ((run), \
|
|
(run)->stack[(run)->stack_top-1]); \
|
|
__raw_pop (run); \
|
|
} \
|
|
__raw_pop (run); /* nargs */ \
|
|
__raw_pop (run); /* return */ \
|
|
__raw_pop (run); /* prev stack top */ \
|
|
__raw_pop (run); /* prev stack back */ \
|
|
} while (0)
|
|
|
|
static qse_awk_val_t* eval_call (
|
|
qse_awk_run_t* run, qse_awk_nde_t* nde,
|
|
const qse_char_t* bfn_arg_spec, qse_awk_afn_t* afn,
|
|
void(*errhandler)(void*), void* eharg)
|
|
{
|
|
qse_awk_nde_call_t* call = (qse_awk_nde_call_t*)nde;
|
|
qse_size_t saved_stack_top;
|
|
qse_size_t nargs, i;
|
|
qse_awk_nde_t* p;
|
|
qse_awk_val_t* v;
|
|
int n;
|
|
|
|
/*
|
|
* ---------------------
|
|
* localn <- stack top
|
|
* ---------------------
|
|
* ....
|
|
* ---------------------
|
|
* local0 local variables are pushed by run_block
|
|
* =====================
|
|
* argn
|
|
* ---------------------
|
|
* ....
|
|
* ---------------------
|
|
* arg1
|
|
* ---------------------
|
|
* arg0
|
|
* ---------------------
|
|
* nargs
|
|
* ---------------------
|
|
* return value
|
|
* ---------------------
|
|
* previous stack top
|
|
* ---------------------
|
|
* previous stack base <- stack base
|
|
* =====================
|
|
* 0 (nargs) <- stack top
|
|
* ---------------------
|
|
* return value
|
|
* ---------------------
|
|
* previous stack top
|
|
* ---------------------
|
|
* previous stack base <- stack base
|
|
* =====================
|
|
* globaln
|
|
* ---------------------
|
|
* ....
|
|
* ---------------------
|
|
* global0
|
|
* ---------------------
|
|
*/
|
|
|
|
QSE_ASSERT (
|
|
QSE_SIZEOF(void*) >= QSE_SIZEOF(run->stack_top));
|
|
QSE_ASSERT (
|
|
QSE_SIZEOF(void*) >= QSE_SIZEOF(run->stack_base));
|
|
|
|
saved_stack_top = run->stack_top;
|
|
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (QSE_T("setting up function stack frame top=%ld base=%ld\n"),
|
|
(long)run->stack_top, (long)run->stack_base);
|
|
#endif
|
|
if (__raw_push(run,(void*)run->stack_base) == -1)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (__raw_push(run,(void*)saved_stack_top) == -1)
|
|
{
|
|
__raw_pop (run);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
/* secure space for a return value. */
|
|
if (__raw_push(run,qse_awk_val_nil) == -1)
|
|
{
|
|
__raw_pop (run);
|
|
__raw_pop (run);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
/* secure space for nargs */
|
|
if (__raw_push(run,qse_awk_val_nil) == -1)
|
|
{
|
|
__raw_pop (run);
|
|
__raw_pop (run);
|
|
__raw_pop (run);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
for (p = call->args, nargs = 0; p != QSE_NULL; p = p->next, nargs++)
|
|
{
|
|
QSE_ASSERT (
|
|
bfn_arg_spec == QSE_NULL ||
|
|
(bfn_arg_spec != QSE_NULL &&
|
|
qse_strlen(bfn_arg_spec) > nargs));
|
|
|
|
if (bfn_arg_spec != QSE_NULL &&
|
|
bfn_arg_spec[nargs] == QSE_T('r'))
|
|
{
|
|
qse_awk_val_t** ref;
|
|
|
|
if (get_reference (run, p, &ref) == -1)
|
|
{
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
/* p->type-QSE_AWK_NDE_NAMED assumes that the
|
|
* derived value matches QSE_AWK_VAL_REF_XXX */
|
|
v = qse_awk_makerefval (
|
|
run, p->type-QSE_AWK_NDE_NAMED, ref);
|
|
}
|
|
else if (bfn_arg_spec != QSE_NULL &&
|
|
bfn_arg_spec[nargs] == QSE_T('x'))
|
|
{
|
|
/* a regular expression is passed to
|
|
* the function as it is */
|
|
v = eval_expression0 (run, p);
|
|
}
|
|
else
|
|
{
|
|
v = eval_expression (run, p);
|
|
}
|
|
if (v == QSE_NULL)
|
|
{
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (__raw_push(run,v) == -1)
|
|
{
|
|
/* ugly - v needs to be freed if it doesn't have
|
|
* any reference. but its reference has not been
|
|
* updated yet as it is carried out after the
|
|
* successful stack push. so it adds up a reference
|
|
* and dereferences it */
|
|
qse_awk_refupval (run, v);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, v);
|
|
/*nargs++; p = p->next;*/
|
|
}
|
|
|
|
QSE_ASSERT (nargs == call->nargs);
|
|
|
|
if (afn != QSE_NULL)
|
|
{
|
|
/* extra step for normal awk functions */
|
|
|
|
while (nargs < afn->nargs)
|
|
{
|
|
/* push as many nils as the number of missing actual arguments */
|
|
if (__raw_push(run,qse_awk_val_nil) == -1)
|
|
{
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line,
|
|
QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
nargs++;
|
|
}
|
|
}
|
|
|
|
run->stack_base = saved_stack_top;
|
|
STACK_NARGS(run) = (void*)nargs;
|
|
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (QSE_T("running function body\n"));
|
|
#endif
|
|
|
|
if (afn != QSE_NULL)
|
|
{
|
|
/* normal awk function */
|
|
QSE_ASSERT (afn->body->type == QSE_AWK_NDE_BLK);
|
|
n = run_block(run,(qse_awk_nde_blk_t*)afn->body);
|
|
}
|
|
else
|
|
{
|
|
n = 0;
|
|
|
|
/* intrinsic function */
|
|
QSE_ASSERT (
|
|
call->nargs >= call->what.bfn.arg.min &&
|
|
call->nargs <= call->what.bfn.arg.max);
|
|
|
|
if (call->what.bfn.handler != QSE_NULL)
|
|
{
|
|
run->errnum = QSE_AWK_ENOERR;
|
|
|
|
/* NOTE: oname is used when the handler is invoked.
|
|
* name might be differnt from oname if
|
|
* qse_awk_setword has been used */
|
|
n = call->what.bfn.handler (
|
|
run,
|
|
call->what.bfn.oname.ptr,
|
|
call->what.bfn.oname.len);
|
|
|
|
if (n <= -1)
|
|
{
|
|
if (run->errnum == QSE_AWK_ENOERR)
|
|
{
|
|
/* the handler has not set the error.
|
|
* fix it */
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EBFNIMPL,
|
|
nde->line, QSE_NULL, 0);
|
|
}
|
|
else
|
|
{
|
|
/* adjust the error line */
|
|
run->errlin = nde->line;
|
|
}
|
|
|
|
/* correct the return code just in case */
|
|
if (n < -1) n = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* refdown args in the run.stack */
|
|
nargs = (qse_size_t)STACK_NARGS(run);
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (QSE_T("block run complete nargs = %d\n"), (int)nargs);
|
|
#endif
|
|
for (i = 0; i < nargs; i++)
|
|
{
|
|
qse_awk_refdownval (run, STACK_ARG(run,i));
|
|
}
|
|
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (QSE_T("got return value\n"));
|
|
#endif
|
|
|
|
v = STACK_RETVAL(run);
|
|
if (n == -1)
|
|
{
|
|
if (errhandler != QSE_NULL)
|
|
{
|
|
/* capture_retval_on_exit takes advantage of
|
|
* this handler to retrieve the return value
|
|
* when exit() is used to terminate the program. */
|
|
errhandler (eharg);
|
|
}
|
|
|
|
/* if the earlier operations failed and this function
|
|
* has to return a error, the return value is just
|
|
* destroyed and replaced by nil */
|
|
qse_awk_refdownval (run, v);
|
|
STACK_RETVAL(run) = qse_awk_val_nil;
|
|
}
|
|
else
|
|
{
|
|
/* this trick has been mentioned in run_return.
|
|
* adjust the reference count of the return value.
|
|
* the value must not be freed even if the reference count
|
|
* reached zero because its reference has been incremented
|
|
* in run_return or directly by qse_awk_setretval
|
|
* regardless of its reference count. */
|
|
qse_awk_refdownval_nofree (run, v);
|
|
}
|
|
|
|
run->stack_top = (qse_size_t)run->stack[run->stack_base+1];
|
|
run->stack_base = (qse_size_t)run->stack[run->stack_base+0];
|
|
|
|
if (run->exit_level == EXIT_FUNCTION) run->exit_level = EXIT_NONE;
|
|
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (QSE_T("returning from function top=%ld, base=%ld\n"),
|
|
(long)run->stack_top, (long)run->stack_base);
|
|
#endif
|
|
return (n == -1)? QSE_NULL: v;
|
|
}
|
|
|
|
static int get_reference (
|
|
qse_awk_run_t* run, qse_awk_nde_t* nde, qse_awk_val_t*** ref)
|
|
{
|
|
qse_awk_nde_var_t* tgt = (qse_awk_nde_var_t*)nde;
|
|
qse_awk_val_t** tmp;
|
|
|
|
/* refer to eval_indexed for application of a similar concept */
|
|
|
|
if (nde->type == QSE_AWK_NDE_NAMED)
|
|
{
|
|
qse_map_pair_t* pair;
|
|
|
|
pair = qse_map_search (
|
|
run->named, tgt->id.name.ptr, tgt->id.name.len);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
/* it is bad that the named variable has to be
|
|
* created in the function named "__get_refernce".
|
|
* would there be any better ways to avoid this? */
|
|
pair = qse_map_upsert (
|
|
run->named, tgt->id.name.ptr,
|
|
tgt->id.name.len, qse_awk_val_nil, 0);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line,
|
|
QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
*ref = (qse_awk_val_t**)&QSE_MAP_VPTR(pair);
|
|
return 0;
|
|
}
|
|
|
|
if (nde->type == QSE_AWK_NDE_GLOBAL)
|
|
{
|
|
*ref = (qse_awk_val_t**)&STACK_GLOBAL(run,tgt->id.idxa);
|
|
return 0;
|
|
}
|
|
|
|
if (nde->type == QSE_AWK_NDE_LOCAL)
|
|
{
|
|
*ref = (qse_awk_val_t**)&STACK_LOCAL(run,tgt->id.idxa);
|
|
return 0;
|
|
}
|
|
|
|
if (nde->type == QSE_AWK_NDE_ARG)
|
|
{
|
|
*ref = (qse_awk_val_t**)&STACK_ARG(run,tgt->id.idxa);
|
|
return 0;
|
|
}
|
|
|
|
if (nde->type == QSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
qse_map_pair_t* pair;
|
|
|
|
pair = qse_map_search (
|
|
run->named, tgt->id.name.ptr, tgt->id.name.len);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
pair = qse_map_upsert (
|
|
run->named, tgt->id.name.ptr,
|
|
tgt->id.name.len, qse_awk_val_nil, 0);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line,
|
|
QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
tmp = get_reference_indexed (
|
|
run, tgt, (qse_awk_val_t**)&QSE_MAP_VPTR(pair));
|
|
if (tmp == QSE_NULL) return -1;
|
|
*ref = tmp;
|
|
}
|
|
|
|
if (nde->type == QSE_AWK_NDE_GLOBALIDX)
|
|
{
|
|
tmp = get_reference_indexed (run, tgt,
|
|
(qse_awk_val_t**)&STACK_GLOBAL(run,tgt->id.idxa));
|
|
if (tmp == QSE_NULL) return -1;
|
|
*ref = tmp;
|
|
}
|
|
|
|
if (nde->type == QSE_AWK_NDE_LOCALIDX)
|
|
{
|
|
tmp = get_reference_indexed (run, tgt,
|
|
(qse_awk_val_t**)&STACK_LOCAL(run,tgt->id.idxa));
|
|
if (tmp == QSE_NULL) return -1;
|
|
*ref = tmp;
|
|
}
|
|
|
|
if (nde->type == QSE_AWK_NDE_ARGIDX)
|
|
{
|
|
tmp = get_reference_indexed (run, tgt,
|
|
(qse_awk_val_t**)&STACK_ARG(run,tgt->id.idxa));
|
|
if (tmp == QSE_NULL) return -1;
|
|
*ref = tmp;
|
|
}
|
|
|
|
if (nde->type == QSE_AWK_NDE_POS)
|
|
{
|
|
int n;
|
|
qse_long_t lv;
|
|
qse_real_t rv;
|
|
qse_awk_val_t* v;
|
|
|
|
/* the position number is returned for the positional
|
|
* variable unlike other reference types. */
|
|
v = eval_expression (run, ((qse_awk_nde_pos_t*)nde)->val);
|
|
if (v == QSE_NULL) return -1;
|
|
|
|
qse_awk_refupval (run, v);
|
|
n = qse_awk_valtonum (run, v, &lv, &rv);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (n == -1)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EPOSIDX, nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
if (n == 1) lv = (qse_long_t)rv;
|
|
if (!IS_VALID_POSIDX(lv))
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EPOSIDX, nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
*ref = (qse_awk_val_t**)((qse_size_t)lv);
|
|
return 0;
|
|
}
|
|
|
|
qse_awk_setrunerror (run, QSE_AWK_ENOTREF, nde->line, QSE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
static qse_awk_val_t** get_reference_indexed (
|
|
qse_awk_run_t* run, qse_awk_nde_var_t* nde, qse_awk_val_t** val)
|
|
{
|
|
qse_map_pair_t* pair;
|
|
qse_char_t* str;
|
|
qse_size_t len;
|
|
qse_char_t idxbuf[IDXBUFSIZE];
|
|
|
|
QSE_ASSERT (val != QSE_NULL);
|
|
|
|
if ((*val)->type == QSE_AWK_VAL_NIL)
|
|
{
|
|
qse_awk_val_t* tmp;
|
|
|
|
tmp = qse_awk_makemapval (run);
|
|
if (tmp == QSE_NULL)
|
|
{
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refdownval (run, *val);
|
|
*val = tmp;
|
|
qse_awk_refupval (run, (qse_awk_val_t*)*val);
|
|
}
|
|
else if ((*val)->type != QSE_AWK_VAL_MAP)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOTMAP, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
QSE_ASSERT (nde->idx != QSE_NULL);
|
|
|
|
len = QSE_COUNTOF(idxbuf);
|
|
str = idxnde_to_str (run, nde->idx, idxbuf, &len);
|
|
if (str == QSE_NULL)
|
|
{
|
|
str = idxnde_to_str (run, nde->idx, QSE_NULL, &len);
|
|
if (str == QSE_NULL) return QSE_NULL;
|
|
}
|
|
|
|
pair = qse_map_search ((*(qse_awk_val_map_t**)val)->map, str, len);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
pair = qse_map_upsert (
|
|
(*(qse_awk_val_map_t**)val)->map,
|
|
str, len, qse_awk_val_nil, 0);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
if (str != idxbuf) QSE_AWK_FREE (run->awk, str);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, QSE_MAP_VPTR(pair));
|
|
}
|
|
|
|
if (str != idxbuf) QSE_AWK_FREE (run->awk, str);
|
|
return (qse_awk_val_t**)&QSE_MAP_VPTR(pair);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_int (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* val;
|
|
|
|
val = qse_awk_makeintval (run, ((qse_awk_nde_int_t*)nde)->val);
|
|
if (val == QSE_NULL)
|
|
{
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
((qse_awk_val_int_t*)val)->nde = nde;
|
|
|
|
return val;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_real (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* val;
|
|
|
|
val = qse_awk_makerealval (run, ((qse_awk_nde_real_t*)nde)->val);
|
|
if (val == QSE_NULL)
|
|
{
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
((qse_awk_val_real_t*)val)->nde = nde;
|
|
|
|
return val;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_str (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* val;
|
|
|
|
val = qse_awk_makestrval (run,
|
|
((qse_awk_nde_str_t*)nde)->buf,
|
|
((qse_awk_nde_str_t*)nde)->len);
|
|
if (val == QSE_NULL)
|
|
{
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_rex (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_val_t* val;
|
|
|
|
val = qse_awk_makerexval (run,
|
|
((qse_awk_nde_rex_t*)nde)->buf,
|
|
((qse_awk_nde_rex_t*)nde)->len,
|
|
((qse_awk_nde_rex_t*)nde)->code);
|
|
if (val == QSE_NULL)
|
|
{
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_named (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_map_pair_t* pair;
|
|
|
|
pair = qse_map_search (run->named,
|
|
((qse_awk_nde_var_t*)nde)->id.name.ptr,
|
|
((qse_awk_nde_var_t*)nde)->id.name.len);
|
|
|
|
return (pair == QSE_NULL)? qse_awk_val_nil: QSE_MAP_VPTR(pair);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_global (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
return STACK_GLOBAL(run,((qse_awk_nde_var_t*)nde)->id.idxa);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_local (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
return STACK_LOCAL(run,((qse_awk_nde_var_t*)nde)->id.idxa);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_arg (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
return STACK_ARG(run,((qse_awk_nde_var_t*)nde)->id.idxa);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_indexed (
|
|
qse_awk_run_t* run, qse_awk_nde_var_t* nde, qse_awk_val_t** val)
|
|
{
|
|
qse_map_pair_t* pair;
|
|
qse_char_t* str;
|
|
qse_size_t len;
|
|
qse_char_t idxbuf[IDXBUFSIZE];
|
|
|
|
QSE_ASSERT (val != QSE_NULL);
|
|
|
|
if ((*val)->type == QSE_AWK_VAL_NIL)
|
|
{
|
|
qse_awk_val_t* tmp;
|
|
|
|
tmp = qse_awk_makemapval (run);
|
|
if (tmp == QSE_NULL)
|
|
{
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refdownval (run, *val);
|
|
*val = tmp;
|
|
qse_awk_refupval (run, (qse_awk_val_t*)*val);
|
|
}
|
|
else if ((*val)->type != QSE_AWK_VAL_MAP)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOTMAP, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
QSE_ASSERT (nde->idx != QSE_NULL);
|
|
|
|
len = QSE_COUNTOF(idxbuf);
|
|
str = idxnde_to_str (run, nde->idx, idxbuf, &len);
|
|
if (str == QSE_NULL)
|
|
{
|
|
str = idxnde_to_str (run, nde->idx, QSE_NULL, &len);
|
|
if (str == QSE_NULL) return QSE_NULL;
|
|
}
|
|
|
|
pair = qse_map_search ((*(qse_awk_val_map_t**)val)->map, str, len);
|
|
if (str != idxbuf) QSE_AWK_FREE (run->awk, str);
|
|
|
|
return (pair == QSE_NULL)? qse_awk_val_nil:
|
|
(qse_awk_val_t*)QSE_MAP_VPTR(pair);
|
|
}
|
|
|
|
static qse_awk_val_t* eval_namedidx (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_nde_var_t* tgt = (qse_awk_nde_var_t*)nde;
|
|
qse_map_pair_t* pair;
|
|
|
|
pair = qse_map_search (run->named, tgt->id.name.ptr, tgt->id.name.len);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
pair = qse_map_upsert (run->named,
|
|
tgt->id.name.ptr, tgt->id.name.len, qse_awk_val_nil, 0);
|
|
if (pair == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, QSE_MAP_VPTR(pair));
|
|
}
|
|
|
|
return eval_indexed (run, tgt, (qse_awk_val_t**)&QSE_MAP_VPTR(pair));
|
|
}
|
|
|
|
static qse_awk_val_t* eval_globalidx (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
return eval_indexed (run, (qse_awk_nde_var_t*)nde,
|
|
(qse_awk_val_t**)&STACK_GLOBAL(run,((qse_awk_nde_var_t*)nde)->id.idxa));
|
|
}
|
|
|
|
static qse_awk_val_t* eval_localidx (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
return eval_indexed (run, (qse_awk_nde_var_t*)nde,
|
|
(qse_awk_val_t**)&STACK_LOCAL(run,((qse_awk_nde_var_t*)nde)->id.idxa));
|
|
}
|
|
|
|
static qse_awk_val_t* eval_argidx (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
return eval_indexed (run, (qse_awk_nde_var_t*)nde,
|
|
(qse_awk_val_t**)&STACK_ARG(run,((qse_awk_nde_var_t*)nde)->id.idxa));
|
|
}
|
|
|
|
static qse_awk_val_t* eval_pos (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_nde_pos_t* pos = (qse_awk_nde_pos_t*)nde;
|
|
qse_awk_val_t* v;
|
|
qse_long_t lv;
|
|
qse_real_t rv;
|
|
int n;
|
|
|
|
v = eval_expression (run, pos->val);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, v);
|
|
n = qse_awk_valtonum (run, v, &lv, &rv);
|
|
qse_awk_refdownval (run, v);
|
|
if (n == -1)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EPOSIDX, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
if (n == 1) lv = (qse_long_t)rv;
|
|
|
|
if (lv < 0)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_EPOSIDX, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
if (lv == 0) v = run->inrec.d0;
|
|
else if (lv > 0 && lv <= (qse_long_t)run->inrec.nflds)
|
|
v = run->inrec.flds[lv-1].val;
|
|
else v = qse_awk_val_zls; /*qse_awk_val_nil;*/
|
|
|
|
return v;
|
|
}
|
|
|
|
static qse_awk_val_t* eval_getline (qse_awk_run_t* run, qse_awk_nde_t* nde)
|
|
{
|
|
qse_awk_nde_getline_t* p;
|
|
qse_awk_val_t* v, * res;
|
|
qse_char_t* in = QSE_NULL;
|
|
const qse_char_t* dst;
|
|
qse_str_t buf;
|
|
int n;
|
|
|
|
p = (qse_awk_nde_getline_t*)nde;
|
|
|
|
QSE_ASSERT (
|
|
(p->in_type == QSE_AWK_IN_PIPE && p->in != QSE_NULL) ||
|
|
(p->in_type == QSE_AWK_IN_COPROC && p->in != QSE_NULL) ||
|
|
(p->in_type == QSE_AWK_IN_FILE && p->in != QSE_NULL) ||
|
|
(p->in_type == QSE_AWK_IN_CONSOLE && p->in == QSE_NULL));
|
|
|
|
if (p->in != QSE_NULL)
|
|
{
|
|
qse_size_t len;
|
|
|
|
v = eval_expression (run, p->in);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
|
|
/* TODO: distinction between v->type == QSE_AWK_VAL_STR
|
|
* and v->type != QSE_AWK_VAL_STR
|
|
* if you use the buffer the v directly when
|
|
* v->type == QSE_AWK_VAL_STR, qse_awk_refdownval(v)
|
|
* should not be called immediately below */
|
|
qse_awk_refupval (run, v);
|
|
in = qse_awk_valtostr (
|
|
run, v, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &len);
|
|
if (in == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
return QSE_NULL;
|
|
}
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (len <= 0)
|
|
{
|
|
/* the input source name is empty.
|
|
* make getline return -1 */
|
|
QSE_AWK_FREE (run->awk, in);
|
|
n = -1;
|
|
goto skip_read;
|
|
}
|
|
|
|
while (len > 0)
|
|
{
|
|
if (in[--len] == QSE_T('\0'))
|
|
{
|
|
/* the input source name contains a null
|
|
* character. make getline return -1 */
|
|
QSE_AWK_FREE (run->awk, in);
|
|
n = -1;
|
|
goto skip_read;
|
|
}
|
|
}
|
|
}
|
|
|
|
dst = (in == QSE_NULL)? QSE_T(""): in;
|
|
|
|
/* TODO: optimize the line buffer management */
|
|
if (qse_str_init (&buf, MMGR(run), DEF_BUF_CAPA) == QSE_NULL)
|
|
{
|
|
if (in != QSE_NULL) QSE_AWK_FREE (run->awk, in);
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
n = qse_awk_readextio (run, p->in_type, dst, &buf);
|
|
if (in != QSE_NULL) QSE_AWK_FREE (run->awk, in);
|
|
|
|
if (n <= -1)
|
|
{
|
|
/* make getline return -1 */
|
|
n = -1;
|
|
}
|
|
|
|
if (n > 0)
|
|
{
|
|
if (p->var == QSE_NULL)
|
|
{
|
|
/* set $0 with the input value */
|
|
if (qse_awk_setrec (run, 0,
|
|
QSE_STR_PTR(&buf),
|
|
QSE_STR_LEN(&buf)) == -1)
|
|
{
|
|
qse_str_fini (&buf);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_str_fini (&buf);
|
|
}
|
|
else
|
|
{
|
|
qse_awk_val_t* v;
|
|
|
|
v = qse_awk_makestrval (run,
|
|
QSE_STR_PTR(&buf), QSE_STR_LEN(&buf));
|
|
qse_str_fini (&buf);
|
|
if (v == QSE_NULL)
|
|
{
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, v);
|
|
if (do_assignment(run, p->var, v) == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
return QSE_NULL;
|
|
}
|
|
qse_awk_refdownval (run, v);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qse_str_fini (&buf);
|
|
}
|
|
|
|
skip_read:
|
|
res = qse_awk_makeintval (run, n);
|
|
if (res == QSE_NULL) run->errlin = nde->line;
|
|
return res;
|
|
}
|
|
|
|
static int __raw_push (qse_awk_run_t* run, void* val)
|
|
{
|
|
if (run->stack_top >= run->stack_limit)
|
|
{
|
|
void** tmp;
|
|
qse_size_t n;
|
|
|
|
n = run->stack_limit + STACK_INCREMENT;
|
|
|
|
if (MMGR(run)->realloc != QSE_NULL)
|
|
{
|
|
tmp = (void**) QSE_AWK_REALLOC (
|
|
run->awk, run->stack, n * QSE_SIZEOF(void*));
|
|
if (tmp == QSE_NULL) return -1;
|
|
}
|
|
else
|
|
{
|
|
tmp = (void**) QSE_AWK_ALLOC (
|
|
run->awk, n * QSE_SIZEOF(void*));
|
|
if (tmp == QSE_NULL) return -1;
|
|
if (run->stack != QSE_NULL)
|
|
{
|
|
QSE_MEMCPY (
|
|
tmp, run->stack,
|
|
run->stack_limit * QSE_SIZEOF(void*));
|
|
QSE_AWK_FREE (run->awk, run->stack);
|
|
}
|
|
}
|
|
run->stack = tmp;
|
|
run->stack_limit = n;
|
|
}
|
|
|
|
run->stack[run->stack_top++] = val;
|
|
return 0;
|
|
}
|
|
|
|
static void __raw_pop_times (qse_awk_run_t* run, qse_size_t times)
|
|
{
|
|
while (times > 0)
|
|
{
|
|
--times;
|
|
__raw_pop (run);
|
|
}
|
|
}
|
|
|
|
static int read_record (qse_awk_run_t* run)
|
|
{
|
|
qse_ssize_t n;
|
|
|
|
if (qse_awk_clrrec (run, QSE_FALSE) == -1) return -1;
|
|
|
|
n = qse_awk_readextio (
|
|
run, QSE_AWK_IN_CONSOLE, QSE_T(""), &run->inrec.line);
|
|
if (n <= -1)
|
|
{
|
|
qse_awk_clrrec (run, QSE_FALSE);
|
|
return -1;
|
|
}
|
|
|
|
#ifdef DEBUG_RUN
|
|
qse_dprintf (QSE_T("record len = %d str=[%.*s]\n"),
|
|
(int)QSE_STR_LEN(&run->inrec.line),
|
|
(int)QSE_STR_LEN(&run->inrec.line),
|
|
QSE_STR_PTR(&run->inrec.line));
|
|
#endif
|
|
if (n == 0)
|
|
{
|
|
QSE_ASSERT (QSE_STR_LEN(&run->inrec.line) == 0);
|
|
return 0;
|
|
}
|
|
|
|
if (qse_awk_setrec (run, 0,
|
|
QSE_STR_PTR(&run->inrec.line),
|
|
QSE_STR_LEN(&run->inrec.line)) == -1) return -1;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int shorten_record (qse_awk_run_t* run, qse_size_t nflds)
|
|
{
|
|
qse_awk_val_t* v;
|
|
qse_char_t* ofs_free = QSE_NULL, * ofs;
|
|
qse_size_t ofs_len, i;
|
|
qse_str_t tmp;
|
|
|
|
QSE_ASSERT (nflds <= run->inrec.nflds);
|
|
|
|
if (nflds > 1)
|
|
{
|
|
v = STACK_GLOBAL(run, QSE_AWK_GLOBAL_OFS);
|
|
qse_awk_refupval (run, v);
|
|
|
|
if (v->type == QSE_AWK_VAL_NIL)
|
|
{
|
|
/* OFS not set */
|
|
ofs = QSE_T(" ");
|
|
ofs_len = 1;
|
|
}
|
|
else if (v->type == QSE_AWK_VAL_STR)
|
|
{
|
|
ofs = ((qse_awk_val_str_t*)v)->buf;
|
|
ofs_len = ((qse_awk_val_str_t*)v)->len;
|
|
}
|
|
else
|
|
{
|
|
ofs = qse_awk_valtostr (
|
|
run, v, QSE_AWK_VALTOSTR_CLEAR,
|
|
QSE_NULL, &ofs_len);
|
|
if (ofs == QSE_NULL) return -1;
|
|
|
|
ofs_free = ofs;
|
|
}
|
|
}
|
|
|
|
if (qse_str_init (
|
|
&tmp, MMGR(run), QSE_STR_LEN(&run->inrec.line)) == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < nflds; i++)
|
|
{
|
|
if (i > 0 && qse_str_ncat(&tmp,ofs,ofs_len) == (qse_size_t)-1)
|
|
{
|
|
if (ofs_free != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, ofs_free);
|
|
if (nflds > 1) qse_awk_refdownval (run, v);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
if (qse_str_ncat (&tmp,
|
|
run->inrec.flds[i].ptr,
|
|
run->inrec.flds[i].len) == (qse_size_t)-1)
|
|
{
|
|
if (ofs_free != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, ofs_free);
|
|
if (nflds > 1) qse_awk_refdownval (run, v);
|
|
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (ofs_free != QSE_NULL) QSE_AWK_FREE (run->awk, ofs_free);
|
|
if (nflds > 1) qse_awk_refdownval (run, v);
|
|
|
|
v = (qse_awk_val_t*) qse_awk_makestrval (
|
|
run, QSE_STR_PTR(&tmp), QSE_STR_LEN(&tmp));
|
|
if (v == QSE_NULL) return -1;
|
|
|
|
qse_awk_refdownval (run, run->inrec.d0);
|
|
run->inrec.d0 = v;
|
|
qse_awk_refupval (run, run->inrec.d0);
|
|
|
|
qse_str_swap (&tmp, &run->inrec.line);
|
|
qse_str_fini (&tmp);
|
|
|
|
for (i = nflds; i < run->inrec.nflds; i++)
|
|
{
|
|
qse_awk_refdownval (run, run->inrec.flds[i].val);
|
|
}
|
|
|
|
run->inrec.nflds = nflds;
|
|
return 0;
|
|
}
|
|
|
|
static qse_char_t* idxnde_to_str (
|
|
qse_awk_run_t* run, qse_awk_nde_t* nde, qse_char_t* buf, qse_size_t* len)
|
|
{
|
|
qse_char_t* str;
|
|
qse_awk_val_t* idx;
|
|
|
|
QSE_ASSERT (nde != QSE_NULL);
|
|
|
|
if (nde->next == QSE_NULL)
|
|
{
|
|
/* single node index */
|
|
idx = eval_expression (run, nde);
|
|
if (idx == QSE_NULL) return QSE_NULL;
|
|
|
|
qse_awk_refupval (run, idx);
|
|
|
|
str = QSE_NULL;
|
|
|
|
if (buf != QSE_NULL)
|
|
{
|
|
/* try with a fixed-size buffer */
|
|
str = qse_awk_valtostr (
|
|
run, idx, QSE_AWK_VALTOSTR_FIXED, (qse_str_t*)buf, len);
|
|
}
|
|
|
|
if (str == QSE_NULL)
|
|
{
|
|
/* if it doen't work, switch to the dynamic mode */
|
|
str = qse_awk_valtostr (
|
|
run, idx, QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, len);
|
|
|
|
if (str == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, idx);
|
|
/* change error line */
|
|
run->errlin = nde->line;
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
qse_awk_refdownval (run, idx);
|
|
}
|
|
else
|
|
{
|
|
/* multidimensional index */
|
|
qse_str_t idxstr;
|
|
qse_xstr_t tmp;
|
|
|
|
if (qse_str_init (&idxstr, MMGR(run), DEF_BUF_CAPA) == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line, QSE_NULL, 0);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
while (nde != QSE_NULL)
|
|
{
|
|
idx = eval_expression (run, nde);
|
|
if (idx == QSE_NULL)
|
|
{
|
|
qse_str_fini (&idxstr);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refupval (run, idx);
|
|
|
|
if (QSE_STR_LEN(&idxstr) > 0 &&
|
|
qse_str_ncat (&idxstr,
|
|
run->global.subsep.ptr,
|
|
run->global.subsep.len) == (qse_size_t)-1)
|
|
{
|
|
qse_awk_refdownval (run, idx);
|
|
qse_str_fini (&idxstr);
|
|
|
|
qse_awk_setrunerror (
|
|
run, QSE_AWK_ENOMEM, nde->line,
|
|
QSE_NULL, 0);
|
|
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (qse_awk_valtostr (
|
|
run, idx, 0, &idxstr, QSE_NULL) == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, idx);
|
|
qse_str_fini (&idxstr);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
qse_awk_refdownval (run, idx);
|
|
nde = nde->next;
|
|
}
|
|
|
|
qse_str_yield (&idxstr, &tmp, 0);
|
|
str = tmp.ptr;
|
|
*len = tmp.len;
|
|
|
|
qse_str_fini (&idxstr);
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
qse_char_t* qse_awk_format (
|
|
qse_awk_run_t* run, qse_str_t* out, qse_str_t* fbu,
|
|
const qse_char_t* fmt, qse_size_t fmt_len,
|
|
qse_size_t nargs_on_stack, qse_awk_nde_t* args, qse_size_t* len)
|
|
{
|
|
qse_size_t i, j;
|
|
qse_size_t stack_arg_idx = 1;
|
|
qse_awk_val_t* val;
|
|
|
|
#define OUT_CHAR(c) \
|
|
do { \
|
|
if (qse_str_ccat (out, (c)) == -1) \
|
|
{ \
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM); \
|
|
return QSE_NULL; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define FMT_CHAR(c) \
|
|
do { \
|
|
if (qse_str_ccat (fbu, (c)) == -1) \
|
|
{ \
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM); \
|
|
return QSE_NULL; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define GROW(buf) \
|
|
do { \
|
|
if ((buf)->ptr != QSE_NULL) \
|
|
{ \
|
|
QSE_AWK_FREE (run->awk, (buf)->ptr); \
|
|
(buf)->ptr = QSE_NULL; \
|
|
} \
|
|
(buf)->len += (buf)->inc; \
|
|
(buf)->ptr = (qse_char_t*)QSE_AWK_ALLOC ( \
|
|
run->awk, (buf)->len * QSE_SIZEOF(qse_char_t)); \
|
|
if ((buf)->ptr == QSE_NULL) (buf)->len = 0; \
|
|
} while (0)
|
|
|
|
QSE_ASSERTX (run->format.tmp.ptr != QSE_NULL,
|
|
"run->format.tmp.ptr should have been assigned a pointer to a block of memory before this function has been called");
|
|
|
|
if (nargs_on_stack == (qse_size_t)-1)
|
|
{
|
|
val = (qse_awk_val_t*)args;
|
|
nargs_on_stack = 2;
|
|
}
|
|
else
|
|
{
|
|
val = QSE_NULL;
|
|
}
|
|
|
|
if (out == QSE_NULL) out = &run->format.out;
|
|
if (fbu == QSE_NULL) fbu = &run->format.fmt;
|
|
|
|
qse_str_clear (out);
|
|
qse_str_clear (fbu);
|
|
|
|
for (i = 0; i < fmt_len; i++)
|
|
{
|
|
qse_long_t width = -1, prec = -1;
|
|
qse_bool_t minus = QSE_FALSE;
|
|
|
|
if (QSE_STR_LEN(fbu) == 0)
|
|
{
|
|
if (fmt[i] == QSE_T('%')) FMT_CHAR (fmt[i]);
|
|
else OUT_CHAR (fmt[i]);
|
|
continue;
|
|
}
|
|
|
|
while (i < fmt_len &&
|
|
(fmt[i] == QSE_T(' ') || fmt[i] == QSE_T('#') ||
|
|
fmt[i] == QSE_T('0') || fmt[i] == QSE_T('+') ||
|
|
fmt[i] == QSE_T('-')))
|
|
{
|
|
if (fmt[i] == QSE_T('-')) minus = QSE_TRUE;
|
|
FMT_CHAR (fmt[i]); i++;
|
|
}
|
|
|
|
if (i < fmt_len && fmt[i] == QSE_T('*'))
|
|
{
|
|
qse_awk_val_t* v;
|
|
qse_real_t r;
|
|
qse_char_t* p;
|
|
int n;
|
|
|
|
if (args == QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = qse_awk_getarg (run, stack_arg_idx);
|
|
}
|
|
else
|
|
{
|
|
if (val != QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = val;
|
|
}
|
|
else
|
|
{
|
|
v = eval_expression (run, args);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
qse_awk_refupval (run, v);
|
|
n = qse_awk_valtonum (run, v, &width, &r);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (n == -1) return QSE_NULL;
|
|
if (n == 1) width = (qse_long_t)r;
|
|
|
|
do
|
|
{
|
|
n = run->awk->prmfns->sprintf (
|
|
run->awk->prmfns->data,
|
|
run->format.tmp.ptr,
|
|
run->format.tmp.len,
|
|
#if QSE_SIZEOF_LONG_LONG > 0
|
|
QSE_T("%lld"), (long long)width
|
|
#elif QSE_SIZEOF___INT64 > 0
|
|
QSE_T("%I64d"), (__int64)width
|
|
#elif QSE_SIZEOF_LONG > 0
|
|
QSE_T("%ld"), (long)width
|
|
#elif QSE_SIZEOF_INT > 0
|
|
QSE_T("%d"), (int)width
|
|
#else
|
|
#error unsupported size
|
|
#endif
|
|
);
|
|
if (n == -1)
|
|
{
|
|
GROW (&run->format.tmp);
|
|
if (run->format.tmp.ptr == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
while (1);
|
|
|
|
p = run->format.tmp.ptr;
|
|
while (*p != QSE_T('\0'))
|
|
{
|
|
FMT_CHAR (*p);
|
|
p++;
|
|
}
|
|
|
|
if (args == QSE_NULL || val != QSE_NULL) stack_arg_idx++;
|
|
else args = args->next;
|
|
i++;
|
|
}
|
|
else
|
|
{
|
|
if (i < fmt_len && QSE_AWK_ISDIGIT(run->awk, fmt[i]))
|
|
{
|
|
width = 0;
|
|
do
|
|
{
|
|
width = width * 10 + fmt[i] - QSE_T('0');
|
|
FMT_CHAR (fmt[i]); i++;
|
|
}
|
|
while (i < fmt_len && QSE_AWK_ISDIGIT(run->awk, fmt[i]));
|
|
}
|
|
}
|
|
|
|
if (i < fmt_len && fmt[i] == QSE_T('.'))
|
|
{
|
|
prec = 0;
|
|
FMT_CHAR (fmt[i]); i++;
|
|
}
|
|
|
|
if (i < fmt_len && fmt[i] == QSE_T('*'))
|
|
{
|
|
qse_awk_val_t* v;
|
|
qse_real_t r;
|
|
qse_char_t* p;
|
|
int n;
|
|
|
|
if (args == QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = qse_awk_getarg (run, stack_arg_idx);
|
|
}
|
|
else
|
|
{
|
|
if (val != QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = val;
|
|
}
|
|
else
|
|
{
|
|
v = eval_expression (run, args);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
qse_awk_refupval (run, v);
|
|
n = qse_awk_valtonum (run, v, &prec, &r);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (n == -1) return QSE_NULL;
|
|
if (n == 1) prec = (qse_long_t)r;
|
|
|
|
do
|
|
{
|
|
n = run->awk->prmfns->sprintf (
|
|
run->awk->prmfns->data,
|
|
run->format.tmp.ptr,
|
|
run->format.tmp.len,
|
|
#if QSE_SIZEOF_LONG_LONG > 0
|
|
QSE_T("%lld"), (long long)prec
|
|
#elif QSE_SIZEOF___INT64 > 0
|
|
QSE_T("%I64d"), (__int64)prec
|
|
#elif QSE_SIZEOF_LONG > 0
|
|
QSE_T("%ld"), (long)prec
|
|
#elif QSE_SIZEOF_INT > 0
|
|
QSE_T("%d"), (int)prec
|
|
#endif
|
|
);
|
|
if (n == -1)
|
|
{
|
|
GROW (&run->format.tmp);
|
|
if (run->format.tmp.ptr == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
while (1);
|
|
|
|
p = run->format.tmp.ptr;
|
|
while (*p != QSE_T('\0'))
|
|
{
|
|
FMT_CHAR (*p);
|
|
p++;
|
|
}
|
|
|
|
if (args == QSE_NULL || val != QSE_NULL) stack_arg_idx++;
|
|
else args = args->next;
|
|
i++;
|
|
}
|
|
else
|
|
{
|
|
if (i < fmt_len && QSE_AWK_ISDIGIT(run->awk, fmt[i]))
|
|
{
|
|
prec = 0;
|
|
do
|
|
{
|
|
prec = prec * 10 + fmt[i] - QSE_T('0');
|
|
FMT_CHAR (fmt[i]); i++;
|
|
}
|
|
while (i < fmt_len && QSE_AWK_ISDIGIT(run->awk, fmt[i]));
|
|
}
|
|
}
|
|
|
|
if (i >= fmt_len) break;
|
|
|
|
if (fmt[i] == QSE_T('d') || fmt[i] == QSE_T('i') ||
|
|
fmt[i] == QSE_T('x') || fmt[i] == QSE_T('X') ||
|
|
fmt[i] == QSE_T('o'))
|
|
{
|
|
qse_awk_val_t* v;
|
|
qse_long_t l;
|
|
qse_real_t r;
|
|
qse_char_t* p;
|
|
int n;
|
|
|
|
#if QSE_SIZEOF_LONG_LONG > 0
|
|
FMT_CHAR (QSE_T('l'));
|
|
FMT_CHAR (QSE_T('l'));
|
|
FMT_CHAR (fmt[i]);
|
|
#elif QSE_SIZEOF___INT64 > 0
|
|
FMT_CHAR (QSE_T('I'));
|
|
FMT_CHAR (QSE_T('6'));
|
|
FMT_CHAR (QSE_T('4'));
|
|
FMT_CHAR (fmt[i]);
|
|
#elif QSE_SIZEOF_LONG > 0
|
|
FMT_CHAR (QSE_T('l'));
|
|
FMT_CHAR (fmt[i]);
|
|
#elif QSE_SIZEOF_INT > 0
|
|
FMT_CHAR (fmt[i]);
|
|
#else
|
|
#error unsupported integer size
|
|
#endif
|
|
|
|
if (args == QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = qse_awk_getarg (run, stack_arg_idx);
|
|
}
|
|
else
|
|
{
|
|
if (val != QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = val;
|
|
}
|
|
else
|
|
{
|
|
v = eval_expression (run, args);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
qse_awk_refupval (run, v);
|
|
n = qse_awk_valtonum (run, v, &l, &r);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (n == -1) return QSE_NULL;
|
|
if (n == 1) l = (qse_long_t)r;
|
|
|
|
do
|
|
{
|
|
n = run->awk->prmfns->sprintf (
|
|
run->awk->prmfns->data,
|
|
run->format.tmp.ptr,
|
|
run->format.tmp.len,
|
|
QSE_STR_PTR(fbu),
|
|
#if QSE_SIZEOF_LONG_LONG > 0
|
|
(long long)l
|
|
#elif QSE_SIZEOF___INT64 > 0
|
|
(__int64)l
|
|
#elif QSE_SIZEOF_LONG > 0
|
|
(long)l
|
|
#elif QSE_SIZEOF_INT > 0
|
|
(int)l
|
|
#endif
|
|
);
|
|
|
|
if (n == -1)
|
|
{
|
|
GROW (&run->format.tmp);
|
|
if (run->format.tmp.ptr == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
while (1);
|
|
|
|
p = run->format.tmp.ptr;
|
|
while (*p != QSE_T('\0'))
|
|
{
|
|
OUT_CHAR (*p);
|
|
p++;
|
|
}
|
|
}
|
|
else if (fmt[i] == QSE_T('e') || fmt[i] == QSE_T('E') ||
|
|
fmt[i] == QSE_T('g') || fmt[i] == QSE_T('G') ||
|
|
fmt[i] == QSE_T('f'))
|
|
{
|
|
qse_awk_val_t* v;
|
|
qse_long_t l;
|
|
qse_real_t r;
|
|
qse_char_t* p;
|
|
int n;
|
|
|
|
FMT_CHAR (QSE_T('L'));
|
|
FMT_CHAR (fmt[i]);
|
|
|
|
if (args == QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = qse_awk_getarg (run, stack_arg_idx);
|
|
}
|
|
else
|
|
{
|
|
if (val != QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = val;
|
|
}
|
|
else
|
|
{
|
|
v = eval_expression (run, args);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
qse_awk_refupval (run, v);
|
|
n = qse_awk_valtonum (run, v, &l, &r);
|
|
qse_awk_refdownval (run, v);
|
|
|
|
if (n == -1) return QSE_NULL;
|
|
if (n == 0) r = (qse_real_t)l;
|
|
|
|
do
|
|
{
|
|
n = run->awk->prmfns->sprintf (
|
|
run->awk->prmfns->data,
|
|
run->format.tmp.ptr,
|
|
run->format.tmp.len,
|
|
QSE_STR_PTR(fbu),
|
|
#if defined(__MINGW32__)
|
|
(double)r
|
|
#else
|
|
(long double)r
|
|
#endif
|
|
);
|
|
|
|
if (n == -1)
|
|
{
|
|
GROW (&run->format.tmp);
|
|
if (run->format.tmp.ptr == QSE_NULL)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
while (1);
|
|
|
|
p = run->format.tmp.ptr;
|
|
while (*p != QSE_T('\0'))
|
|
{
|
|
OUT_CHAR (*p);
|
|
p++;
|
|
}
|
|
}
|
|
else if (fmt[i] == QSE_T('c'))
|
|
{
|
|
qse_char_t ch;
|
|
qse_size_t ch_len;
|
|
qse_awk_val_t* v;
|
|
|
|
if (args == QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = qse_awk_getarg (run, stack_arg_idx);
|
|
}
|
|
else
|
|
{
|
|
if (val != QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = val;
|
|
}
|
|
else
|
|
{
|
|
v = eval_expression (run, args);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
qse_awk_refupval (run, v);
|
|
if (v->type == QSE_AWK_VAL_NIL)
|
|
{
|
|
ch = QSE_T('\0');
|
|
ch_len = 0;
|
|
}
|
|
else if (v->type == QSE_AWK_VAL_INT)
|
|
{
|
|
ch = (qse_char_t)((qse_awk_val_int_t*)v)->val;
|
|
ch_len = 1;
|
|
}
|
|
else if (v->type == QSE_AWK_VAL_REAL)
|
|
{
|
|
ch = (qse_char_t)((qse_awk_val_real_t*)v)->val;
|
|
ch_len = 1;
|
|
}
|
|
else if (v->type == QSE_AWK_VAL_STR)
|
|
{
|
|
ch_len = ((qse_awk_val_str_t*)v)->len;
|
|
if (ch_len > 0)
|
|
{
|
|
ch = ((qse_awk_val_str_t*)v)->buf[0];
|
|
ch_len = 1;
|
|
}
|
|
else ch = QSE_T('\0');
|
|
}
|
|
else
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EVALTYPE);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
if (prec == -1 || prec == 0 || prec > (qse_long_t)ch_len) prec = (qse_long_t)ch_len;
|
|
if (prec > width) width = prec;
|
|
|
|
if (!minus)
|
|
{
|
|
while (width > prec)
|
|
{
|
|
if (qse_str_ccat (out, QSE_T(' ')) == -1)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
width--;
|
|
}
|
|
}
|
|
|
|
if (prec > 0)
|
|
{
|
|
if (qse_str_ccat (out, ch) == -1)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
if (minus)
|
|
{
|
|
while (width > prec)
|
|
{
|
|
if (qse_str_ccat (out, QSE_T(' ')) == -1)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
width--;
|
|
}
|
|
}
|
|
|
|
qse_awk_refdownval (run, v);
|
|
}
|
|
else if (fmt[i] == QSE_T('s'))
|
|
{
|
|
qse_char_t* str, * str_free = QSE_NULL;
|
|
qse_size_t str_len;
|
|
qse_long_t k;
|
|
qse_awk_val_t* v;
|
|
|
|
if (args == QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = qse_awk_getarg (run, stack_arg_idx);
|
|
}
|
|
else
|
|
{
|
|
if (val != QSE_NULL)
|
|
{
|
|
if (stack_arg_idx >= nargs_on_stack)
|
|
{
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTARG);
|
|
return QSE_NULL;
|
|
}
|
|
v = val;
|
|
}
|
|
else
|
|
{
|
|
v = eval_expression (run, args);
|
|
if (v == QSE_NULL) return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
qse_awk_refupval (run, v);
|
|
if (v->type == QSE_AWK_VAL_NIL)
|
|
{
|
|
str = QSE_T("");
|
|
str_len = 0;
|
|
}
|
|
else if (v->type == QSE_AWK_VAL_STR)
|
|
{
|
|
str = ((qse_awk_val_str_t*)v)->buf;
|
|
str_len = ((qse_awk_val_str_t*)v)->len;
|
|
}
|
|
else
|
|
{
|
|
if (v == val)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_EFMTCNV);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
str = qse_awk_valtostr (run, v,
|
|
QSE_AWK_VALTOSTR_CLEAR, QSE_NULL, &str_len);
|
|
if (str == QSE_NULL)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
return QSE_NULL;
|
|
}
|
|
|
|
str_free = str;
|
|
}
|
|
|
|
if (prec == -1 || prec > (qse_long_t)str_len ) prec = (qse_long_t)str_len;
|
|
if (prec > width) width = prec;
|
|
|
|
if (!minus)
|
|
{
|
|
while (width > prec)
|
|
{
|
|
if (qse_str_ccat (out, QSE_T(' ')) == -1)
|
|
{
|
|
if (str_free != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, str_free);
|
|
qse_awk_refdownval (run, v);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
width--;
|
|
}
|
|
}
|
|
|
|
for (k = 0; k < prec; k++)
|
|
{
|
|
if (qse_str_ccat (out, str[k]) == -1)
|
|
{
|
|
if (str_free != QSE_NULL)
|
|
QSE_AWK_FREE (run->awk, str_free);
|
|
qse_awk_refdownval (run, v);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
}
|
|
|
|
if (str_free != QSE_NULL) QSE_AWK_FREE (run->awk, str_free);
|
|
|
|
if (minus)
|
|
{
|
|
while (width > prec)
|
|
{
|
|
if (qse_str_ccat (out, QSE_T(' ')) == -1)
|
|
{
|
|
qse_awk_refdownval (run, v);
|
|
qse_awk_setrunerrnum (run, QSE_AWK_ENOMEM);
|
|
return QSE_NULL;
|
|
}
|
|
width--;
|
|
}
|
|
}
|
|
|
|
qse_awk_refdownval (run, v);
|
|
}
|
|
else /*if (fmt[i] == QSE_T('%'))*/
|
|
{
|
|
for (j = 0; j < QSE_STR_LEN(fbu); j++)
|
|
OUT_CHAR (QSE_STR_CHAR(fbu,j));
|
|
OUT_CHAR (fmt[i]);
|
|
}
|
|
|
|
if (args == QSE_NULL || val != QSE_NULL) stack_arg_idx++;
|
|
else args = args->next;
|
|
qse_str_clear (fbu);
|
|
}
|
|
|
|
/* flush uncompleted formatting sequence */
|
|
for (j = 0; j < QSE_STR_LEN(fbu); j++)
|
|
OUT_CHAR (QSE_STR_CHAR(fbu,j));
|
|
|
|
*len = QSE_STR_LEN(out);
|
|
return QSE_STR_PTR(out);
|
|
}
|
|
|