5246 lines
124 KiB
C
5246 lines
124 KiB
C
/*
|
|
* $Id: run.c,v 1.242 2006-10-22 14:17:40 bacon Exp $
|
|
*/
|
|
|
|
#include <sse/awk/awk_i.h>
|
|
|
|
/* TODO: remove this dependency...*/
|
|
#include <math.h>
|
|
|
|
#define CMP_ERROR -99
|
|
#define DEF_BUF_CAPA 256
|
|
#define STACK_INCREMENT 512
|
|
|
|
#define STACK_AT(run,n) ((run)->stack[(run)->stack_base+(n)])
|
|
#define STACK_NARGS(run) (STACK_AT(run,3))
|
|
#define STACK_ARG(run,n) STACK_AT(run,3+1+(n))
|
|
#define STACK_LOCAL(run,n) STACK_AT(run,3+(sse_size_t)STACK_NARGS(run)+1+(n))
|
|
#define STACK_RETVAL(run) STACK_AT(run,2)
|
|
#define STACK_GLOBAL(run,n) ((run)->stack[(n)])
|
|
#define STACK_RETVAL_GLOBAL(run) ((run)->stack[(run)->awk->tree.nglobals+2])
|
|
|
|
enum
|
|
{
|
|
EXIT_NONE,
|
|
EXIT_BREAK,
|
|
EXIT_CONTINUE,
|
|
EXIT_FUNCTION,
|
|
EXIT_NEXT,
|
|
EXIT_GLOBAL,
|
|
EXIT_ABORT,
|
|
};
|
|
|
|
#define PANIC(run,code) \
|
|
do { (run)->errnum = (code); return SSE_NULL; } while (0)
|
|
|
|
#define PANIC_I(run,code) \
|
|
do { (run)->errnum = (code); return -1; } while (0)
|
|
|
|
#define DEFAULT_CONVFMT SSE_T("%.6g")
|
|
#define DEFAULT_OFMT SSE_T("%.6g")
|
|
#define DEFAULT_OFS SSE_T(" ")
|
|
#define DEFAULT_ORS SSE_T("\n")
|
|
#define DEFAULT_SUBSEP SSE_T("\034")
|
|
|
|
/* the index of a positional variable should be a positive interger
|
|
* equal to or less than the maximum value of the type by which
|
|
* the index is represented. but it has an extra check against the
|
|
* maximum value of sse_size_t as the reference is represented
|
|
* in a pointer variable of sse_awk_val_ref_t and sizeof(void*) is
|
|
* equal to sizeof(sse_size_t). */
|
|
#define IS_VALID_POSIDX(idx) \
|
|
((idx) >= 0 && \
|
|
(idx) < SSE_TYPE_MAX(sse_long_t) && \
|
|
(idx) < SSE_TYPE_MAX(sse_size_t))
|
|
|
|
static void __add_run (sse_awk_t* awk, sse_awk_run_t* run);
|
|
static void __del_run (sse_awk_t* awk, sse_awk_run_t* run);
|
|
|
|
static int __init_run (
|
|
sse_awk_run_t* run, sse_awk_runios_t* runios, int* errnum);
|
|
static void __deinit_run (sse_awk_run_t* run);
|
|
|
|
static int __build_runarg (sse_awk_run_t* run, sse_awk_runarg_t* runarg);
|
|
static int __set_globals_to_default (sse_awk_run_t* run);
|
|
|
|
static int __run_main (sse_awk_run_t* run, sse_awk_runarg_t* runarg);
|
|
static int __run_pattern_blocks (sse_awk_run_t* run);
|
|
static int __run_pattern_block_chain (
|
|
sse_awk_run_t* run, sse_awk_chain_t* chain);
|
|
static int __run_pattern_block (
|
|
sse_awk_run_t* run, sse_awk_chain_t* chain, sse_size_t block_no);
|
|
static int __run_block (sse_awk_run_t* run, sse_awk_nde_blk_t* nde);
|
|
static int __run_statement (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static int __run_if (sse_awk_run_t* run, sse_awk_nde_if_t* nde);
|
|
static int __run_while (sse_awk_run_t* run, sse_awk_nde_while_t* nde);
|
|
static int __run_for (sse_awk_run_t* run, sse_awk_nde_for_t* nde);
|
|
static int __run_foreach (sse_awk_run_t* run, sse_awk_nde_foreach_t* nde);
|
|
static int __run_break (sse_awk_run_t* run, sse_awk_nde_break_t* nde);
|
|
static int __run_continue (sse_awk_run_t* run, sse_awk_nde_continue_t* nde);
|
|
static int __run_return (sse_awk_run_t* run, sse_awk_nde_return_t* nde);
|
|
static int __run_exit (sse_awk_run_t* run, sse_awk_nde_exit_t* nde);
|
|
static int __run_next (sse_awk_run_t* run, sse_awk_nde_next_t* nde);
|
|
static int __run_nextfile (sse_awk_run_t* run, sse_awk_nde_nextfile_t* nde);
|
|
static int __run_delete (sse_awk_run_t* run, sse_awk_nde_delete_t* nde);
|
|
static int __run_print (sse_awk_run_t* run, sse_awk_nde_print_t* nde);
|
|
|
|
static sse_awk_val_t* __eval_expression (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_expression0 (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
|
|
static sse_awk_val_t* __eval_group (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
|
|
static sse_awk_val_t* __eval_assignment (
|
|
sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __do_assignment (
|
|
sse_awk_run_t* run, sse_awk_nde_t* var, sse_awk_val_t* val);
|
|
static sse_awk_val_t* __do_assignment_scalar (
|
|
sse_awk_run_t* run, sse_awk_nde_var_t* var, sse_awk_val_t* val);
|
|
static sse_awk_val_t* __do_assignment_map (
|
|
sse_awk_run_t* run, sse_awk_nde_var_t* var, sse_awk_val_t* val);
|
|
static sse_awk_val_t* __do_assignment_pos (
|
|
sse_awk_run_t* run, sse_awk_nde_pos_t* pos, sse_awk_val_t* val);
|
|
|
|
static sse_awk_val_t* __eval_binary (
|
|
sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_binop_lor (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right);
|
|
static sse_awk_val_t* __eval_binop_land (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right);
|
|
static sse_awk_val_t* __eval_binop_in (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right);
|
|
static sse_awk_val_t* __eval_binop_bor (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_bxor (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_band (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_eq (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_ne (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_gt (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_ge (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_lt (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_le (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_lshift (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_rshift (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_plus (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_minus (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_mul (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_div (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_mod (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_exp (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_concat (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
static sse_awk_val_t* __eval_binop_ma (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right);
|
|
static sse_awk_val_t* __eval_binop_nm (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right);
|
|
static sse_awk_val_t* __eval_binop_match0 (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right, int ret);
|
|
|
|
static sse_awk_val_t* __eval_unary (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_incpre (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_incpst (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_cnd (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
|
|
static sse_awk_val_t* __eval_bfn (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_afn (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_call (
|
|
sse_awk_run_t* run, sse_awk_nde_t* nde,
|
|
const sse_char_t* bfn_arg_spec, sse_awk_afn_t* afn);
|
|
|
|
static int __get_reference (
|
|
sse_awk_run_t* run, sse_awk_nde_t* nde, sse_awk_val_t*** ref);
|
|
static sse_awk_val_t** __get_reference_indexed (
|
|
sse_awk_run_t* run, sse_awk_nde_var_t* nde, sse_awk_val_t** val);
|
|
|
|
static sse_awk_val_t* __eval_int (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_real (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_str (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_rex (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_named (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_global (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_local (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_arg (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_namedidx (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_globalidx (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_localidx (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_argidx (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_pos (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
static sse_awk_val_t* __eval_getline (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
|
|
static int __raw_push (sse_awk_run_t* run, void* val);
|
|
#define __raw_pop(run) \
|
|
do { \
|
|
sse_awk_assert (run->awk, (run)->stack_top > (run)->stack_base); \
|
|
(run)->stack_top--; \
|
|
} while (0)
|
|
static void __raw_pop_times (sse_awk_run_t* run, sse_size_t times);
|
|
|
|
static int __read_record (sse_awk_run_t* run);
|
|
static int __shorten_record (sse_awk_run_t* run, sse_size_t nflds);
|
|
|
|
static sse_char_t* __idxnde_to_str (
|
|
sse_awk_run_t* run, sse_awk_nde_t* nde, sse_size_t* len);
|
|
|
|
typedef sse_awk_val_t* (*binop_func_t) (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right);
|
|
typedef sse_awk_val_t* (*eval_expr_t) (sse_awk_run_t* run, sse_awk_nde_t* nde);
|
|
|
|
/* TODO: remove this function */
|
|
static int __printval (sse_awk_pair_t* pair, void* arg)
|
|
{
|
|
xp_printf (SSE_T("%s = "), (const sse_char_t*)pair->key);
|
|
sse_awk_printval ((sse_awk_val_t*)pair->val);
|
|
xp_printf (SSE_T("\n"));
|
|
return 0;
|
|
}
|
|
|
|
sse_size_t sse_awk_getnargs (sse_awk_run_t* run)
|
|
{
|
|
return (sse_size_t) STACK_NARGS (run);
|
|
}
|
|
|
|
sse_awk_val_t* sse_awk_getarg (sse_awk_run_t* run, sse_size_t idx)
|
|
{
|
|
return STACK_ARG (run, idx);
|
|
}
|
|
|
|
sse_awk_val_t* sse_awk_getglobal (sse_awk_run_t* run, sse_size_t idx)
|
|
{
|
|
return STACK_GLOBAL (run, idx);
|
|
}
|
|
|
|
int sse_awk_setglobal (sse_awk_run_t* run, sse_size_t idx, sse_awk_val_t* val)
|
|
{
|
|
sse_awk_val_t* old = STACK_GLOBAL (run, idx);
|
|
if (old->type == SSE_AWK_VAL_MAP)
|
|
{
|
|
/* once a variable becomes an array,
|
|
* it cannot be changed to a scalar variable */
|
|
PANIC_I (run, SSE_AWK_EMAPTOSCALAR);
|
|
}
|
|
|
|
/* TODO: is this correct?? */
|
|
if (val->type == SSE_AWK_VAL_MAP &&
|
|
(idx >= SSE_AWK_GLOBAL_ARGC && idx <= SSE_AWK_GLOBAL_SUBSEP) &&
|
|
idx != SSE_AWK_GLOBAL_ARGV)
|
|
{
|
|
/* TODO: better error code */
|
|
PANIC_I (run, SSE_AWK_ESCALARTOMAP);
|
|
}
|
|
|
|
if (idx == SSE_AWK_GLOBAL_CONVFMT)
|
|
{
|
|
sse_char_t* convfmt_ptr;
|
|
sse_size_t convfmt_len;
|
|
|
|
convfmt_ptr = sse_awk_valtostr (
|
|
run, val, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &convfmt_len);
|
|
if (convfmt_ptr == SSE_NULL) return -1;
|
|
|
|
if (run->global.convfmt.ptr != SSE_NULL)
|
|
SSE_AWK_FREE (run->awk, run->global.convfmt.ptr);
|
|
run->global.convfmt.ptr = convfmt_ptr;
|
|
run->global.convfmt.len = convfmt_len;
|
|
}
|
|
else if (idx == SSE_AWK_GLOBAL_FS)
|
|
{
|
|
sse_char_t* fs_ptr;
|
|
sse_size_t fs_len;
|
|
|
|
if (val->type == SSE_AWK_VAL_STR)
|
|
{
|
|
fs_ptr = ((sse_awk_val_str_t*)val)->buf;
|
|
fs_len = ((sse_awk_val_str_t*)val)->len;
|
|
}
|
|
else
|
|
{
|
|
/* due to the expression evaluation rule, the
|
|
* regular expression can not be an assigned value */
|
|
sse_awk_assert (run->awk, val->type != SSE_AWK_VAL_REX);
|
|
|
|
fs_ptr = sse_awk_valtostr (
|
|
run, val, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &fs_len);
|
|
if (fs_ptr == SSE_NULL) return -1;
|
|
}
|
|
|
|
if (fs_len > 1)
|
|
{
|
|
void* rex;
|
|
|
|
/* compile the regular expression */
|
|
/* TODO: use safebuild */
|
|
rex = sse_awk_buildrex (
|
|
run->awk, fs_ptr, fs_len, &run->errnum);
|
|
if (rex == SSE_NULL)
|
|
{
|
|
if (val->type != SSE_AWK_VAL_STR)
|
|
SSE_AWK_FREE (run->awk, fs_ptr);
|
|
return -1;
|
|
}
|
|
|
|
if (run->global.fs != SSE_NULL)
|
|
{
|
|
sse_awk_freerex (run->awk, run->global.fs);
|
|
}
|
|
run->global.fs = rex;
|
|
}
|
|
|
|
if (val->type != SSE_AWK_VAL_STR) SSE_AWK_FREE (run->awk, fs_ptr);
|
|
}
|
|
else if (idx == SSE_AWK_GLOBAL_IGNORECASE)
|
|
{
|
|
if ((val->type == SSE_AWK_VAL_INT &&
|
|
((sse_awk_val_int_t*)val)->val == 0) ||
|
|
(val->type == SSE_AWK_VAL_REAL &&
|
|
((sse_awk_val_real_t*)val)->val == 0.0) ||
|
|
(val->type == SSE_AWK_VAL_STR &&
|
|
((sse_awk_val_str_t*)val)->len == 0))
|
|
{
|
|
run->global.ignorecase = 0;
|
|
}
|
|
else
|
|
{
|
|
run->global.ignorecase = 1;
|
|
}
|
|
}
|
|
else if (idx == SSE_AWK_GLOBAL_NF)
|
|
{
|
|
int n;
|
|
sse_long_t lv;
|
|
sse_real_t rv;
|
|
|
|
n = sse_awk_valtonum (run, val, &lv, &rv);
|
|
if (n == -1) return -1;
|
|
if (n == 1) lv = (sse_long_t)rv;
|
|
|
|
if (lv < run->inrec.nflds)
|
|
{
|
|
if (__shorten_record (run, (sse_size_t)lv) == -1) return -1;
|
|
}
|
|
}
|
|
else if (idx == SSE_AWK_GLOBAL_OFMT)
|
|
{
|
|
sse_char_t* ofmt_ptr;
|
|
sse_size_t ofmt_len;
|
|
|
|
ofmt_ptr = sse_awk_valtostr (
|
|
run, val, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &ofmt_len);
|
|
if (ofmt_ptr == SSE_NULL) return -1;
|
|
|
|
if (run->global.ofmt.ptr != SSE_NULL)
|
|
SSE_AWK_FREE (run->awk, run->global.ofmt.ptr);
|
|
run->global.ofmt.ptr = ofmt_ptr;
|
|
run->global.ofmt.len = ofmt_len;
|
|
}
|
|
else if (idx == SSE_AWK_GLOBAL_OFS)
|
|
{
|
|
sse_char_t* ofs_ptr;
|
|
sse_size_t ofs_len;
|
|
|
|
ofs_ptr = sse_awk_valtostr (
|
|
run, val, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &ofs_len);
|
|
if (ofs_ptr == SSE_NULL) return -1;
|
|
|
|
if (run->global.ofs.ptr != SSE_NULL)
|
|
SSE_AWK_FREE (run->awk, run->global.ofs.ptr);
|
|
run->global.ofs.ptr = ofs_ptr;
|
|
run->global.ofs.len = ofs_len;
|
|
}
|
|
else if (idx == SSE_AWK_GLOBAL_ORS)
|
|
{
|
|
sse_char_t* ors_ptr;
|
|
sse_size_t ors_len;
|
|
|
|
ors_ptr = sse_awk_valtostr (
|
|
run, val, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &ors_len);
|
|
if (ors_ptr == SSE_NULL) return -1;
|
|
|
|
if (run->global.ors.ptr != SSE_NULL)
|
|
SSE_AWK_FREE (run->awk, run->global.ors.ptr);
|
|
run->global.ors.ptr = ors_ptr;
|
|
run->global.ors.len = ors_len;
|
|
}
|
|
else if (idx == SSE_AWK_GLOBAL_RS)
|
|
{
|
|
sse_char_t* rs_ptr;
|
|
sse_size_t rs_len;
|
|
|
|
if (val->type == SSE_AWK_VAL_STR)
|
|
{
|
|
rs_ptr = ((sse_awk_val_str_t*)val)->buf;
|
|
rs_len = ((sse_awk_val_str_t*)val)->len;
|
|
}
|
|
else
|
|
{
|
|
/* due to the expression evaluation rule, the
|
|
* regular expression can not be an assigned value */
|
|
sse_awk_assert (run->awk, val->type != SSE_AWK_VAL_REX);
|
|
|
|
rs_ptr = sse_awk_valtostr (
|
|
run, val, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &rs_len);
|
|
if (rs_ptr == SSE_NULL) return -1;
|
|
}
|
|
|
|
if (rs_len > 1)
|
|
{
|
|
void* rex;
|
|
|
|
/* compile the regular expression */
|
|
/* TODO: use safebuild */
|
|
rex = sse_awk_buildrex (
|
|
run->awk, rs_ptr, rs_len, &run->errnum);
|
|
if (rex == SSE_NULL)
|
|
{
|
|
if (val->type != SSE_AWK_VAL_STR)
|
|
SSE_AWK_FREE (run->awk, rs_ptr);
|
|
return -1;
|
|
}
|
|
|
|
if (run->global.rs != SSE_NULL)
|
|
{
|
|
sse_awk_freerex (run->awk, run->global.rs);
|
|
}
|
|
run->global.rs = rex;
|
|
}
|
|
|
|
if (val->type != SSE_AWK_VAL_STR) SSE_AWK_FREE (run->awk, rs_ptr);
|
|
}
|
|
else if (idx == SSE_AWK_GLOBAL_SUBSEP)
|
|
{
|
|
sse_char_t* subsep_ptr;
|
|
sse_size_t subsep_len;
|
|
|
|
subsep_ptr = sse_awk_valtostr (
|
|
run, val, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &subsep_len);
|
|
if (subsep_ptr == SSE_NULL) return -1;
|
|
|
|
if (run->global.subsep.ptr != SSE_NULL)
|
|
SSE_AWK_FREE (run->awk, run->global.subsep.ptr);
|
|
run->global.subsep.ptr = subsep_ptr;
|
|
run->global.subsep.len = subsep_len;
|
|
}
|
|
|
|
sse_awk_refdownval (run, old);
|
|
STACK_GLOBAL(run,idx) = val;
|
|
sse_awk_refupval (val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void sse_awk_setretval (sse_awk_run_t* run, sse_awk_val_t* val)
|
|
{
|
|
sse_awk_refdownval (run, STACK_RETVAL(run));
|
|
STACK_RETVAL(run) = val;
|
|
/* should use the same trick as __run_return_statement */
|
|
sse_awk_refupval (val);
|
|
}
|
|
|
|
int sse_awk_setconsolename (
|
|
sse_awk_run_t* run, const sse_char_t* name, sse_size_t len)
|
|
{
|
|
sse_awk_val_t* tmp;
|
|
int n;
|
|
|
|
if (len == 0) tmp = sse_awk_val_zls;
|
|
else
|
|
{
|
|
tmp = sse_awk_makestrval (run, name, len);
|
|
if (tmp == SSE_NULL)
|
|
{
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
sse_awk_refupval (tmp);
|
|
n = sse_awk_setglobal (run, SSE_AWK_GLOBAL_FILENAME, tmp);
|
|
sse_awk_refdownval (run, tmp);
|
|
|
|
return n;
|
|
}
|
|
|
|
int sse_awk_getrunerrnum (sse_awk_run_t* run)
|
|
{
|
|
return run->errnum;
|
|
}
|
|
|
|
void sse_awk_setrunerrnum (sse_awk_run_t* run, int errnum)
|
|
{
|
|
run->errnum = errnum;
|
|
}
|
|
|
|
int sse_awk_run (sse_awk_t* awk,
|
|
sse_awk_runios_t* runios,
|
|
sse_awk_runcbs_t* runcbs,
|
|
sse_awk_runarg_t* runarg)
|
|
{
|
|
sse_awk_run_t* run;
|
|
int n, errnum;
|
|
|
|
awk->errnum = SSE_AWK_ENOERR;
|
|
|
|
run = (sse_awk_run_t*) SSE_AWK_MALLOC (awk, sse_sizeof(sse_awk_run_t));
|
|
if (run == SSE_NULL)
|
|
{
|
|
awk->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
SSE_AWK_MEMSET (awk, run, 0, sse_sizeof(sse_awk_run_t));
|
|
|
|
__add_run (awk, run);
|
|
|
|
if (__init_run (run, runios, &errnum) == -1)
|
|
{
|
|
awk->errnum = errnum;
|
|
__del_run (awk, run);
|
|
SSE_AWK_FREE (awk, run);
|
|
return -1;
|
|
}
|
|
|
|
if (runcbs != SSE_NULL && runcbs->on_start != SSE_NULL)
|
|
{
|
|
runcbs->on_start (awk, run, runcbs->custom_data);
|
|
}
|
|
|
|
n = __run_main (run, runarg);
|
|
if (n == -1)
|
|
{
|
|
/* if no callback is specified, awk's error number
|
|
* is updated with the run's error number */
|
|
awk->errnum = (runcbs == SSE_NULL)? run->errnum: SSE_AWK_ERUNTIME;
|
|
}
|
|
|
|
if (runcbs != SSE_NULL && runcbs->on_end != SSE_NULL)
|
|
{
|
|
runcbs->on_end (awk, run,
|
|
((n == -1)? run->errnum: SSE_AWK_ENOERR),
|
|
runcbs->custom_data);
|
|
|
|
/* when using callbacks, the function always returns 0 after
|
|
* the start callbacks has been triggered */
|
|
n = 0;
|
|
}
|
|
|
|
__deinit_run (run);
|
|
__del_run (awk, run);
|
|
SSE_AWK_FREE (awk, run);
|
|
return n;
|
|
}
|
|
|
|
int sse_awk_stop (sse_awk_t* awk, sse_awk_run_t* run)
|
|
{
|
|
sse_awk_run_t* r;
|
|
int n = 0;
|
|
|
|
SSE_AWK_LOCK (awk);
|
|
|
|
/* check if the run handle given is valid */
|
|
for (r = awk->run.ptr; r != SSE_NULL; r = r->next)
|
|
{
|
|
if (r == run)
|
|
{
|
|
sse_awk_assert (run->awk, r->awk == awk);
|
|
r->exit_level = EXIT_ABORT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (r == SSE_NULL)
|
|
{
|
|
/* if it is not found in the awk's run list,
|
|
* it is not a valid handle */
|
|
awk->errnum = SSE_AWK_EINVAL;
|
|
n = -1;
|
|
}
|
|
|
|
SSE_AWK_UNLOCK (awk);
|
|
|
|
return n;
|
|
}
|
|
|
|
void sse_awk_stopall (sse_awk_t* awk)
|
|
{
|
|
sse_awk_run_t* r;
|
|
|
|
SSE_AWK_LOCK (awk);
|
|
|
|
for (r = awk->run.ptr; r != SSE_NULL; r = r->next)
|
|
{
|
|
r->exit_level = EXIT_ABORT;
|
|
}
|
|
|
|
SSE_AWK_UNLOCK (awk);
|
|
}
|
|
|
|
static void __free_namedval (void* run, void* val)
|
|
{
|
|
sse_awk_refdownval ((sse_awk_run_t*)run, val);
|
|
}
|
|
|
|
static void __add_run (sse_awk_t* awk, sse_awk_run_t* run)
|
|
{
|
|
SSE_AWK_LOCK (awk);
|
|
|
|
run->awk = awk;
|
|
run->prev = SSE_NULL;
|
|
run->next = awk->run.ptr;
|
|
if (run->next != SSE_NULL) run->next->prev = run;
|
|
awk->run.ptr = run;
|
|
awk->run.count++;
|
|
|
|
SSE_AWK_UNLOCK (awk);
|
|
}
|
|
|
|
static void __del_run (sse_awk_t* awk, sse_awk_run_t* run)
|
|
{
|
|
SSE_AWK_LOCK (awk);
|
|
|
|
sse_awk_assert (run->awk, awk->run.ptr != SSE_NULL);
|
|
|
|
if (run->prev == SSE_NULL)
|
|
{
|
|
awk->run.ptr = run->next;
|
|
if (run->next != SSE_NULL) run->next->prev = SSE_NULL;
|
|
}
|
|
else
|
|
{
|
|
run->prev->next = run->next;
|
|
if (run->next != SSE_NULL) run->next->prev = run->prev;
|
|
}
|
|
|
|
run->awk = SSE_NULL;
|
|
awk->run.count--;
|
|
|
|
SSE_AWK_UNLOCK (awk);
|
|
}
|
|
|
|
static int __init_run (sse_awk_run_t* run, sse_awk_runios_t* runios, int* errnum)
|
|
{
|
|
run->stack = SSE_NULL;
|
|
run->stack_top = 0;
|
|
run->stack_base = 0;
|
|
run->stack_limit = 0;
|
|
|
|
run->exit_level = EXIT_NONE;
|
|
|
|
run->icache_count = 0;
|
|
run->rcache_count = 0;
|
|
run->fcache_count = 0;
|
|
|
|
run->errnum = SSE_AWK_ENOERR;
|
|
|
|
run->inrec.buf_pos = 0;
|
|
run->inrec.buf_len = 0;
|
|
run->inrec.flds = SSE_NULL;
|
|
run->inrec.nflds = 0;
|
|
run->inrec.maxflds = 0;
|
|
run->inrec.d0 = sse_awk_val_nil;
|
|
if (sse_awk_str_open (
|
|
&run->inrec.line, DEF_BUF_CAPA, run->awk) == SSE_NULL)
|
|
{
|
|
*errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
if (sse_awk_map_open (&run->named,
|
|
run, DEF_BUF_CAPA, __free_namedval, run->awk) == SSE_NULL)
|
|
{
|
|
sse_awk_str_close (&run->inrec.line);
|
|
*errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
run->pattern_range_state = (sse_byte_t*) SSE_AWK_MALLOC (
|
|
run->awk, run->awk->tree.chain_size * sse_sizeof(sse_byte_t));
|
|
if (run->pattern_range_state == SSE_NULL)
|
|
{
|
|
sse_awk_map_close (&run->named);
|
|
sse_awk_str_close (&run->inrec.line);
|
|
*errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
SSE_AWK_MEMSET (run->awk, run->pattern_range_state, 0,
|
|
run->awk->tree.chain_size * sse_sizeof(sse_byte_t));
|
|
|
|
run->extio.handler[SSE_AWK_EXTIO_PIPE] = runios->pipe;
|
|
run->extio.handler[SSE_AWK_EXTIO_COPROC] = runios->coproc;
|
|
run->extio.handler[SSE_AWK_EXTIO_FILE] = runios->file;
|
|
run->extio.handler[SSE_AWK_EXTIO_CONSOLE] = runios->console;
|
|
run->extio.custom_data = runios->custom_data;
|
|
run->extio.chain = SSE_NULL;
|
|
|
|
run->global.rs = SSE_NULL;
|
|
run->global.fs = SSE_NULL;
|
|
run->global.ignorecase = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __deinit_run (sse_awk_run_t* run)
|
|
{
|
|
SSE_AWK_FREE (run->awk, run->pattern_range_state);
|
|
|
|
/* close all pending eio's */
|
|
/* TODO: what if this operation fails? */
|
|
sse_awk_clearextio (run);
|
|
sse_awk_assert (run->awk, run->extio.chain == SSE_NULL);
|
|
|
|
if (run->global.rs != SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, run->global.rs);
|
|
run->global.rs = SSE_NULL;
|
|
}
|
|
if (run->global.fs != SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, run->global.fs);
|
|
run->global.fs = SSE_NULL;
|
|
}
|
|
|
|
if (run->global.convfmt.ptr != SSE_NULL &&
|
|
run->global.convfmt.ptr != DEFAULT_CONVFMT)
|
|
{
|
|
SSE_AWK_FREE (run->awk, run->global.convfmt.ptr);
|
|
run->global.convfmt.ptr = SSE_NULL;
|
|
run->global.convfmt.len = 0;
|
|
}
|
|
|
|
if (run->global.ofmt.ptr != SSE_NULL &&
|
|
run->global.ofmt.ptr != DEFAULT_OFMT)
|
|
{
|
|
SSE_AWK_FREE (run->awk, run->global.ofmt.ptr);
|
|
run->global.ofmt.ptr = SSE_NULL;
|
|
run->global.ofmt.len = 0;
|
|
}
|
|
|
|
if (run->global.ofs.ptr != SSE_NULL &&
|
|
run->global.ofs.ptr != DEFAULT_OFS)
|
|
{
|
|
SSE_AWK_FREE (run->awk, run->global.ofs.ptr);
|
|
run->global.ofs.ptr = SSE_NULL;
|
|
run->global.ofs.len = 0;
|
|
}
|
|
|
|
if (run->global.ors.ptr != SSE_NULL &&
|
|
run->global.ors.ptr != DEFAULT_ORS)
|
|
{
|
|
SSE_AWK_FREE (run->awk, run->global.ors.ptr);
|
|
run->global.ors.ptr = SSE_NULL;
|
|
run->global.ors.len = 0;
|
|
}
|
|
|
|
if (run->global.subsep.ptr != SSE_NULL &&
|
|
run->global.subsep.ptr != DEFAULT_SUBSEP)
|
|
{
|
|
SSE_AWK_FREE (run->awk, run->global.subsep.ptr);
|
|
run->global.subsep.ptr = SSE_NULL;
|
|
run->global.subsep.len = 0;
|
|
}
|
|
|
|
/* destroy input record. sse_awk_clrrec should be called
|
|
* before the run stack has been destroyed because it may try
|
|
* to change the value to SSE_AWK_GLOBAL_NF. */
|
|
sse_awk_clrrec (run, sse_false);
|
|
if (run->inrec.flds != SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, run->inrec.flds);
|
|
run->inrec.flds = SSE_NULL;
|
|
run->inrec.maxflds = 0;
|
|
}
|
|
sse_awk_str_close (&run->inrec.line);
|
|
|
|
/* destroy run stack */
|
|
if (run->stack != SSE_NULL)
|
|
{
|
|
sse_awk_assert (run->awk, run->stack_top == 0);
|
|
|
|
SSE_AWK_FREE (run->awk, run->stack);
|
|
run->stack = SSE_NULL;
|
|
run->stack_top = 0;
|
|
run->stack_base = 0;
|
|
run->stack_limit = 0;
|
|
}
|
|
|
|
/* destroy named variables */
|
|
sse_awk_map_close (&run->named);
|
|
|
|
/* destroy values in free list */
|
|
while (run->icache_count > 0)
|
|
{
|
|
sse_awk_val_int_t* tmp = run->icache[--run->icache_count];
|
|
sse_awk_freeval (run, (sse_awk_val_t*)tmp, sse_false);
|
|
}
|
|
|
|
while (run->rcache_count > 0)
|
|
{
|
|
sse_awk_val_real_t* tmp = run->rcache[--run->rcache_count];
|
|
sse_awk_freeval (run, (sse_awk_val_t*)tmp, sse_false);
|
|
}
|
|
|
|
while (run->fcache_count > 0)
|
|
{
|
|
sse_awk_val_ref_t* tmp = run->fcache[--run->fcache_count];
|
|
sse_awk_freeval (run, (sse_awk_val_t*)tmp, sse_false);
|
|
}
|
|
}
|
|
|
|
static int __build_runarg (sse_awk_run_t* run, sse_awk_runarg_t* runarg)
|
|
{
|
|
sse_awk_runarg_t* p = runarg;
|
|
sse_size_t argc;
|
|
sse_awk_val_t* v_argc;
|
|
sse_awk_val_t* v_argv;
|
|
sse_awk_val_t* v_tmp;
|
|
sse_char_t key[sse_sizeof(sse_long_t)*8+2];
|
|
sse_size_t key_len;
|
|
|
|
v_argv = sse_awk_makemapval (run);
|
|
if (v_argv == SSE_NULL)
|
|
{
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
sse_awk_refupval (v_argv);
|
|
|
|
if (runarg == SSE_NULL) argc = 0;
|
|
else
|
|
{
|
|
for (argc = 0, p = runarg; p->ptr != SSE_NULL; argc++, p++)
|
|
{
|
|
v_tmp = sse_awk_makestrval (run, p->ptr, p->len);
|
|
if (v_tmp == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, v_argv);
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
key_len = sse_awk_longtostr (
|
|
argc, 10, SSE_NULL, key, sse_countof(key));
|
|
sse_awk_assert (run->awk, key_len != (sse_size_t)-1);
|
|
|
|
/* increment reference count of v_tmp in advance as if
|
|
* it has successfully been assigned into ARGV. */
|
|
sse_awk_refupval (v_tmp);
|
|
|
|
if (sse_awk_map_putx (
|
|
((sse_awk_val_map_t*)v_argv)->map,
|
|
key, key_len, v_tmp, SSE_NULL) == -1)
|
|
{
|
|
/* if the assignment operation fails, decrements
|
|
* the reference of v_tmp to free it */
|
|
sse_awk_refdownval (run, v_tmp);
|
|
|
|
/* the values previously assigned into the
|
|
* map will be freeed when v_argv is freed */
|
|
sse_awk_refdownval (run, v_argv);
|
|
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
v_argc = sse_awk_makeintval (run, (sse_long_t)argc);
|
|
if (v_argc == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, v_argv);
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
sse_awk_refupval (v_argc);
|
|
|
|
sse_awk_assert (run->awk,
|
|
STACK_GLOBAL(run,SSE_AWK_GLOBAL_ARGC) == sse_awk_val_nil);
|
|
|
|
if (sse_awk_setglobal (run, SSE_AWK_GLOBAL_ARGC, v_argc) == -1)
|
|
{
|
|
sse_awk_refdownval (run, v_argc);
|
|
sse_awk_refdownval (run, v_argv);
|
|
return -1;
|
|
}
|
|
|
|
if (sse_awk_setglobal (run, SSE_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. */
|
|
sse_awk_setglobal (run, SSE_AWK_GLOBAL_ARGC, sse_awk_val_nil);
|
|
sse_awk_refdownval (run, v_argc);
|
|
sse_awk_refdownval (run, v_argv);
|
|
return -1;
|
|
}
|
|
|
|
sse_awk_refdownval (run, v_argc);
|
|
sse_awk_refdownval (run, v_argv);
|
|
return 0;
|
|
}
|
|
|
|
static int __update_fnr (sse_awk_run_t* run, sse_size_t fnr)
|
|
{
|
|
sse_awk_val_t* tmp;
|
|
|
|
tmp = sse_awk_makeintval (run, fnr);
|
|
if (tmp == SSE_NULL)
|
|
{
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
sse_awk_refupval (tmp);
|
|
if (sse_awk_setglobal (run, SSE_AWK_GLOBAL_FNR, tmp) == -1)
|
|
{
|
|
sse_awk_refdownval (run, tmp);
|
|
return -1;
|
|
}
|
|
|
|
sse_awk_refdownval (run, tmp);
|
|
run->global.fnr = fnr;
|
|
return 0;
|
|
}
|
|
|
|
static int __set_globals_to_default (sse_awk_run_t* run)
|
|
{
|
|
struct __gtab_t
|
|
{
|
|
int idx;
|
|
const sse_char_t* str;
|
|
};
|
|
|
|
static struct __gtab_t gtab[] =
|
|
{
|
|
{ SSE_AWK_GLOBAL_CONVFMT, DEFAULT_CONVFMT },
|
|
{ SSE_AWK_GLOBAL_FILENAME, SSE_NULL },
|
|
{ SSE_AWK_GLOBAL_OFMT, DEFAULT_OFMT },
|
|
{ SSE_AWK_GLOBAL_OFS, DEFAULT_OFS },
|
|
{ SSE_AWK_GLOBAL_ORS, DEFAULT_ORS },
|
|
{ SSE_AWK_GLOBAL_SUBSEP, DEFAULT_SUBSEP },
|
|
};
|
|
|
|
sse_awk_val_t* tmp;
|
|
sse_size_t i, j;
|
|
|
|
for (i = 0; i < sse_countof(gtab); i++)
|
|
{
|
|
if (gtab[i].str == SSE_NULL || gtab[i].str[0] == SSE_T('\0'))
|
|
{
|
|
tmp = sse_awk_val_zls;
|
|
}
|
|
else
|
|
{
|
|
tmp = sse_awk_makestrval0 (run, gtab[i].str);
|
|
if (tmp == SSE_NULL)
|
|
{
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
sse_awk_refupval (tmp);
|
|
|
|
sse_awk_assert (run->awk,
|
|
STACK_GLOBAL(run,gtab[i].idx) == sse_awk_val_nil);
|
|
|
|
if (sse_awk_setglobal (run, gtab[i].idx, tmp) == -1)
|
|
{
|
|
for (j = 0; j < i; j++)
|
|
{
|
|
sse_awk_setglobal (
|
|
run, gtab[i].idx, sse_awk_val_nil);
|
|
}
|
|
|
|
sse_awk_refdownval (run, tmp);
|
|
return -1;
|
|
}
|
|
|
|
sse_awk_refdownval (run, tmp);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __run_main (sse_awk_run_t* run, sse_awk_runarg_t* runarg)
|
|
{
|
|
sse_size_t nglobals, nargs, i;
|
|
sse_size_t saved_stack_top;
|
|
sse_awk_val_t* v;
|
|
int n;
|
|
|
|
sse_awk_assert (run->awk, 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,sse_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 sse_awk_val_nil */
|
|
run->stack_top = saved_stack_top;
|
|
PANIC_I (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
|
|
if (sse_awk_setglobal (run, SSE_AWK_GLOBAL_NR, sse_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 sse_awk_val_nils */
|
|
run->stack_top = saved_stack_top;
|
|
return -1;
|
|
}
|
|
|
|
if (sse_awk_setglobal (run, SSE_AWK_GLOBAL_NF, sse_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 sse_awk_val_nils and sse_awk_val_zeros */
|
|
run->stack_top = saved_stack_top;
|
|
return -1;
|
|
}
|
|
|
|
if (runarg != SSE_NULL && __build_runarg (run, runarg) == -1)
|
|
{
|
|
/* it can simply restore the top of the stack this way
|
|
* because the values pused onto the stack so far are
|
|
* all sse_awk_val_nils and sse_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);
|
|
if (n == 0) n = __set_globals_to_default (run);
|
|
if (n == 0 && (run->awk->option & SSE_AWK_RUNMAIN))
|
|
{
|
|
/* TODO: should the main function be user-specifiable? */
|
|
sse_awk_nde_call_t nde;
|
|
|
|
nde.type = SSE_AWK_NDE_AFN;
|
|
nde.next = SSE_NULL;
|
|
nde.what.afn.name = SSE_T("main");
|
|
nde.what.afn.name_len = 4;
|
|
nde.args = SSE_NULL;
|
|
nde.nargs = 0;
|
|
|
|
v = __eval_afn (run, (sse_awk_nde_t*)&nde);
|
|
if (v == SSE_NULL) n = -1;
|
|
else
|
|
{
|
|
/* destroy the return value if necessary */
|
|
sse_awk_refupval (v);
|
|
sse_awk_refdownval (run, v);
|
|
}
|
|
}
|
|
else if (n == 0)
|
|
{
|
|
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 */
|
|
__raw_pop_times (run, run->awk->tree.nglobals);
|
|
PANIC_I (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
if (__raw_push(run,(void*)saved_stack_top) == -1)
|
|
{
|
|
run->stack_top = saved_stack_top;
|
|
__raw_pop_times (run, run->awk->tree.nglobals);
|
|
PANIC_I (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
/* secure space for a return value */
|
|
if (__raw_push(run,sse_awk_val_nil) == -1)
|
|
{
|
|
run->stack_top = saved_stack_top;
|
|
__raw_pop_times (run, run->awk->tree.nglobals);
|
|
PANIC_I (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
/* secure space for nargs */
|
|
if (__raw_push(run,sse_awk_val_nil) == -1)
|
|
{
|
|
run->stack_top = saved_stack_top;
|
|
__raw_pop_times (run, run->awk->tree.nglobals);
|
|
PANIC_I (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
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 */
|
|
if (n == 0 &&
|
|
run->awk->tree.begin != SSE_NULL &&
|
|
run->exit_level != EXIT_ABORT)
|
|
{
|
|
sse_awk_nde_blk_t* blk;
|
|
|
|
blk = (sse_awk_nde_blk_t*)run->awk->tree.begin;
|
|
sse_awk_assert (run->awk, blk->type == SSE_AWK_NDE_BLK);
|
|
|
|
run->active_block = blk;
|
|
run->exit_level = EXIT_NONE;
|
|
if (__run_block (run, blk) == -1) n = -1;
|
|
}
|
|
|
|
if (n == 0 &&
|
|
run->awk->tree.chain != SSE_NULL &&
|
|
run->exit_level != EXIT_ABORT)
|
|
{
|
|
if (__run_pattern_blocks (run) == -1) n = -1;
|
|
}
|
|
|
|
if (n == 0 &&
|
|
run->awk->tree.end != SSE_NULL &&
|
|
run->exit_level != EXIT_ABORT)
|
|
{
|
|
sse_awk_nde_blk_t* blk;
|
|
|
|
blk = (sse_awk_nde_blk_t*)run->awk->tree.end;
|
|
sse_awk_assert (run->awk, blk->type == SSE_AWK_NDE_BLK);
|
|
|
|
run->active_block = blk;
|
|
run->exit_level = EXIT_NONE;
|
|
if (__run_block (run, blk) == -1) n = -1;
|
|
}
|
|
|
|
/* restore stack */
|
|
nargs = (sse_size_t)STACK_NARGS(run);
|
|
sse_awk_assert (run->awk, nargs == 0);
|
|
for (i = 0; i < nargs; i++)
|
|
{
|
|
sse_awk_refdownval (run, STACK_ARG(run,i));
|
|
}
|
|
|
|
v = STACK_RETVAL(run);
|
|
xp_printf (SSE_T("Return Value - "));
|
|
sse_awk_printval (v);
|
|
xp_printf (SSE_T("\n"));
|
|
/* the life of the global return value is over here
|
|
* unlike the return value of each function */
|
|
/*sse_awk_refdownval_nofree (awk, v);*/
|
|
sse_awk_refdownval (run, v);
|
|
|
|
run->stack_top =
|
|
(sse_size_t)run->stack[run->stack_base+1];
|
|
run->stack_base =
|
|
(sse_size_t)run->stack[run->stack_base+0];
|
|
}
|
|
|
|
/* pops off the global variables */
|
|
nglobals = run->awk->tree.nglobals; /*run->nglobals */
|
|
while (nglobals > 0)
|
|
{
|
|
--nglobals;
|
|
sse_awk_refdownval (run, STACK_GLOBAL(run,nglobals));
|
|
__raw_pop (run);
|
|
}
|
|
|
|
/* just reset the exit level */
|
|
run->exit_level = EXIT_NONE;
|
|
|
|
xp_printf (SSE_T("-[VARIABLES]------------------------\n"));
|
|
sse_awk_map_walk (&run->named, __printval, SSE_NULL);
|
|
xp_printf (SSE_T("-[END VARIABLES]--------------------------\n"));
|
|
|
|
return n;
|
|
}
|
|
|
|
static int __run_pattern_blocks (sse_awk_run_t* run)
|
|
{
|
|
sse_ssize_t n;
|
|
sse_bool_t need_to_close = sse_false;
|
|
|
|
run->inrec.buf_pos = 0;
|
|
run->inrec.buf_len = 0;
|
|
run->inrec.eof = sse_false;
|
|
|
|
/* run each pattern block */
|
|
while (run->exit_level != EXIT_GLOBAL &&
|
|
run->exit_level != EXIT_ABORT)
|
|
{
|
|
int x;
|
|
|
|
run->exit_level = EXIT_NONE;
|
|
|
|
x = __read_record (run);
|
|
if (x == -1)
|
|
{
|
|
int saved = run->errnum;
|
|
|
|
/* don't care about the result of input close */
|
|
sse_awk_closeextio_read (
|
|
run, SSE_AWK_IN_CONSOLE, SSE_T(""));
|
|
|
|
run->errnum = saved;
|
|
return -1;
|
|
}
|
|
|
|
need_to_close = sse_true;
|
|
if (x == 0) break; /* end of input */
|
|
|
|
__update_fnr (run, run->global.fnr + 1);
|
|
|
|
if (__run_pattern_block_chain (run, run->awk->tree.chain) == -1)
|
|
{
|
|
int saved = run->errnum;
|
|
|
|
sse_awk_closeextio_read (
|
|
run, SSE_AWK_IN_CONSOLE, SSE_T(""));
|
|
|
|
run->errnum = saved;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* In case of getline, the code would make getline return -1,
|
|
* set ERRNO, make this function return 0 after having checked
|
|
* if closextio has returned -1 and errnum has been set to
|
|
* SSE_AWK_EIOHANDLER. But this part of the code ends the input for
|
|
* the implicit pattern-block loop, which is totally different
|
|
* from getline. so it returns -1 as long as closeextio returns
|
|
* -1 regardless of the value of errnum. */
|
|
if (need_to_close)
|
|
{
|
|
n = sse_awk_closeextio_read (
|
|
run, SSE_AWK_IN_CONSOLE, SSE_T(""));
|
|
if (n == -1)
|
|
{
|
|
if (run->errnum == SSE_AWK_EIOHANDLER)
|
|
PANIC_I (run, SSE_AWK_ECONINCLOSE);
|
|
else return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __run_pattern_block_chain (sse_awk_run_t* run, sse_awk_chain_t* chain)
|
|
{
|
|
sse_size_t block_no = 0;
|
|
|
|
while (run->exit_level != EXIT_GLOBAL &&
|
|
run->exit_level != EXIT_ABORT && chain != SSE_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 (
|
|
sse_awk_run_t* run, sse_awk_chain_t* chain, sse_size_t block_no)
|
|
{
|
|
sse_awk_nde_t* ptn;
|
|
sse_awk_nde_blk_t* blk;
|
|
|
|
ptn = chain->pattern;
|
|
blk = (sse_awk_nde_blk_t*)chain->action;
|
|
|
|
if (ptn == SSE_NULL)
|
|
{
|
|
/* just execute the block */
|
|
run->active_block = blk;
|
|
if (__run_block (run, blk) == -1) return -1;
|
|
}
|
|
else
|
|
{
|
|
if (ptn->next == SSE_NULL)
|
|
{
|
|
/* pattern { ... } */
|
|
sse_awk_val_t* v1;
|
|
|
|
v1 = __eval_expression (run, ptn);
|
|
if (v1 == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (v1);
|
|
|
|
if (sse_awk_valtobool (run, v1))
|
|
{
|
|
run->active_block = blk;
|
|
if (__run_block (run, blk) == -1)
|
|
{
|
|
sse_awk_refdownval (run, v1);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
sse_awk_refdownval (run, v1);
|
|
}
|
|
else
|
|
{
|
|
/* pattern, pattern { ... } */
|
|
sse_awk_assert (run->awk, ptn->next->next == SSE_NULL);
|
|
|
|
if (run->pattern_range_state[block_no] == 0)
|
|
{
|
|
sse_awk_val_t* v1;
|
|
|
|
v1 = __eval_expression (run, ptn);
|
|
if (v1 == SSE_NULL) return -1;
|
|
sse_awk_refupval (v1);
|
|
|
|
if (sse_awk_valtobool (run, v1))
|
|
{
|
|
run->active_block = blk;
|
|
if (__run_block (run, blk) == -1)
|
|
{
|
|
sse_awk_refdownval (run, v1);
|
|
return -1;
|
|
}
|
|
|
|
run->pattern_range_state[block_no] = 1;
|
|
}
|
|
|
|
sse_awk_refdownval (run, v1);
|
|
}
|
|
else if (run->pattern_range_state[block_no] == 1)
|
|
{
|
|
sse_awk_val_t* v2;
|
|
|
|
v2 = __eval_expression (run, ptn->next);
|
|
if (v2 == SSE_NULL) return -1;
|
|
sse_awk_refupval (v2);
|
|
|
|
run->active_block = blk;
|
|
if (__run_block (run, blk) == -1)
|
|
{
|
|
sse_awk_refdownval (run, v2);
|
|
return -1;
|
|
}
|
|
|
|
if (sse_awk_valtobool (run, v2))
|
|
run->pattern_range_state[block_no] = 0;
|
|
|
|
sse_awk_refdownval (run, v2);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __run_block (sse_awk_run_t* run, sse_awk_nde_blk_t* nde)
|
|
{
|
|
sse_awk_nde_t* p;
|
|
sse_size_t nlocals;
|
|
sse_size_t saved_stack_top;
|
|
int n = 0;
|
|
|
|
if (nde == SSE_NULL)
|
|
{
|
|
/* blockless pattern - execute print $0*/
|
|
sse_awk_refupval (run->inrec.d0);
|
|
|
|
/*n = sse_awk_writeextio_val (run,
|
|
SSE_AWK_OUT_CONSOLE, SSE_T(""), run->inrec.d0);*/
|
|
n = sse_awk_writeextio_str (run,
|
|
SSE_AWK_OUT_CONSOLE, SSE_T(""),
|
|
SSE_AWK_STR_BUF(&run->inrec.line),
|
|
SSE_AWK_STR_LEN(&run->inrec.line));
|
|
if (n == -1)
|
|
{
|
|
sse_awk_refdownval (run, run->inrec.d0);
|
|
|
|
if (run->errnum == SSE_AWK_EIOHANDLER)
|
|
PANIC_I (run, SSE_AWK_ECONOUTDATA);
|
|
else return -1;
|
|
}
|
|
|
|
sse_awk_refdownval (run, run->inrec.d0);
|
|
return 0;
|
|
}
|
|
|
|
sse_awk_assert (run->awk, nde->type == SSE_AWK_NDE_BLK);
|
|
|
|
p = nde->body;
|
|
nlocals = nde->nlocals;
|
|
|
|
/*xp_printf (SSE_T("securing space for local variables nlocals = %d\n"), (int)nlocals);*/
|
|
saved_stack_top = run->stack_top;
|
|
|
|
/* secure space for local variables */
|
|
while (nlocals > 0)
|
|
{
|
|
--nlocals;
|
|
if (__raw_push(run,sse_awk_val_nil) == -1)
|
|
{
|
|
/* restore stack top */
|
|
run->stack_top = saved_stack_top;
|
|
return -1;
|
|
}
|
|
|
|
/* refupval is not required for sse_awk_val_nil */
|
|
}
|
|
|
|
/*xp_printf (SSE_T("executing block statements\n"));*/
|
|
while (p != SSE_NULL && run->exit_level == EXIT_NONE)
|
|
{
|
|
/*xp_printf (SSE_T("running a statement\n"));*/
|
|
if (__run_statement(run,p) == -1)
|
|
{
|
|
n = -1;
|
|
break;
|
|
}
|
|
p = p->next;
|
|
}
|
|
|
|
/*xp_printf (SSE_T("popping off local variables\n"));*/
|
|
/* pop off local variables */
|
|
nlocals = nde->nlocals;
|
|
while (nlocals > 0)
|
|
{
|
|
--nlocals;
|
|
sse_awk_refdownval (run, STACK_LOCAL(run,nlocals));
|
|
__raw_pop (run);
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
static int __run_statement (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
switch (nde->type)
|
|
{
|
|
case SSE_AWK_NDE_NULL:
|
|
{
|
|
/* do nothing */
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_BLK:
|
|
{
|
|
if (__run_block (run,
|
|
(sse_awk_nde_blk_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_IF:
|
|
{
|
|
if (__run_if (run,
|
|
(sse_awk_nde_if_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_WHILE:
|
|
case SSE_AWK_NDE_DOWHILE:
|
|
{
|
|
if (__run_while (run,
|
|
(sse_awk_nde_while_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_FOR:
|
|
{
|
|
if (__run_for (run,
|
|
(sse_awk_nde_for_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_FOREACH:
|
|
{
|
|
if (__run_foreach (run,
|
|
(sse_awk_nde_foreach_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_BREAK:
|
|
{
|
|
if (__run_break (run,
|
|
(sse_awk_nde_break_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_CONTINUE:
|
|
{
|
|
if (__run_continue (run,
|
|
(sse_awk_nde_continue_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_RETURN:
|
|
{
|
|
if (__run_return (run,
|
|
(sse_awk_nde_return_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_EXIT:
|
|
{
|
|
if (__run_exit (run,
|
|
(sse_awk_nde_exit_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_NEXT:
|
|
{
|
|
if (__run_next (run,
|
|
(sse_awk_nde_next_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_NEXTFILE:
|
|
{
|
|
if (__run_nextfile (run,
|
|
(sse_awk_nde_nextfile_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_DELETE:
|
|
{
|
|
if (__run_delete (run,
|
|
(sse_awk_nde_delete_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
case SSE_AWK_NDE_PRINT:
|
|
{
|
|
if (__run_print (run,
|
|
(sse_awk_nde_print_t*)nde) == -1) return -1;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
sse_awk_val_t* v;
|
|
v = __eval_expression(run,nde);
|
|
if (v == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (v);
|
|
sse_awk_refdownval (run, v);
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __run_if (sse_awk_run_t* run, sse_awk_nde_if_t* nde)
|
|
{
|
|
sse_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 */
|
|
sse_awk_assert (run->awk, nde->test->next == SSE_NULL);
|
|
|
|
test = __eval_expression (run, nde->test);
|
|
if (test == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (test);
|
|
if (sse_awk_valtobool (run, test))
|
|
{
|
|
n = __run_statement (run, nde->then_part);
|
|
}
|
|
else if (nde->else_part != SSE_NULL)
|
|
{
|
|
n = __run_statement (run, nde->else_part);
|
|
}
|
|
|
|
sse_awk_refdownval (run, test); /* TODO: is this correct?*/
|
|
return n;
|
|
}
|
|
|
|
static int __run_while (sse_awk_run_t* run, sse_awk_nde_while_t* nde)
|
|
{
|
|
sse_awk_val_t* test;
|
|
|
|
if (nde->type == SSE_AWK_NDE_WHILE)
|
|
{
|
|
/* no chained expressions are allowed for the test
|
|
* expression of the while statement */
|
|
sse_awk_assert (run->awk, nde->test->next == SSE_NULL);
|
|
|
|
/* TODO: handle run-time abortion... */
|
|
while (1)
|
|
{
|
|
test = __eval_expression (run, nde->test);
|
|
if (test == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (test);
|
|
|
|
if (sse_awk_valtobool (run, test))
|
|
{
|
|
if (__run_statement(run,nde->body) == -1)
|
|
{
|
|
sse_awk_refdownval (run, test);
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_awk_refdownval (run, test);
|
|
break;
|
|
}
|
|
|
|
sse_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 == SSE_AWK_NDE_DOWHILE)
|
|
{
|
|
/* no chained expressions are allowed for the test
|
|
* expression of the while statement */
|
|
sse_awk_assert (run->awk, nde->test->next == SSE_NULL);
|
|
|
|
/* TODO: handle run-time abortion... */
|
|
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;
|
|
|
|
test = __eval_expression (run, nde->test);
|
|
if (test == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (test);
|
|
|
|
if (!sse_awk_valtobool (run, test))
|
|
{
|
|
sse_awk_refdownval (run, test);
|
|
break;
|
|
}
|
|
|
|
sse_awk_refdownval (run, test);
|
|
}
|
|
while (1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __run_for (sse_awk_run_t* run, sse_awk_nde_for_t* nde)
|
|
{
|
|
sse_awk_val_t* val;
|
|
|
|
if (nde->init != SSE_NULL)
|
|
{
|
|
sse_awk_assert (run->awk, nde->init->next == SSE_NULL);
|
|
val = __eval_expression(run,nde->init);
|
|
if (val == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (val);
|
|
sse_awk_refdownval (run, val);
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
if (nde->test != SSE_NULL)
|
|
{
|
|
sse_awk_val_t* test;
|
|
|
|
/* no chained expressions for the test expression of
|
|
* the for statement are allowed */
|
|
sse_awk_assert (run->awk, nde->test->next == SSE_NULL);
|
|
|
|
test = __eval_expression (run, nde->test);
|
|
if (test == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (test);
|
|
if (sse_awk_valtobool (run, test))
|
|
{
|
|
if (__run_statement(run,nde->body) == -1)
|
|
{
|
|
sse_awk_refdownval (run, test);
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_awk_refdownval (run, test);
|
|
break;
|
|
}
|
|
|
|
sse_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 != SSE_NULL)
|
|
{
|
|
sse_awk_assert (run->awk, nde->incr->next == SSE_NULL);
|
|
val = __eval_expression(run,nde->incr);
|
|
if (val == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (val);
|
|
sse_awk_refdownval (run, val);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct __foreach_walker_t
|
|
{
|
|
sse_awk_run_t* run;
|
|
sse_awk_nde_t* var;
|
|
sse_awk_nde_t* body;
|
|
};
|
|
|
|
static int __walk_foreach (sse_awk_pair_t* pair, void* arg)
|
|
{
|
|
struct __foreach_walker_t* w = (struct __foreach_walker_t*)arg;
|
|
sse_awk_val_t* str;
|
|
|
|
str = (sse_awk_val_t*) sse_awk_makestrval (
|
|
w->run, pair->key, sse_awk_strlen(pair->key));
|
|
if (str == SSE_NULL) PANIC_I (w->run, SSE_AWK_ENOMEM);
|
|
|
|
sse_awk_refupval (str);
|
|
if (__do_assignment (w->run, w->var, str) == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (w->run, str);
|
|
return -1;
|
|
}
|
|
|
|
if (__run_statement (w->run, w->body) == -1)
|
|
{
|
|
sse_awk_refdownval (w->run, str);
|
|
return -1;
|
|
}
|
|
|
|
sse_awk_refdownval (w->run, str);
|
|
return 0;
|
|
}
|
|
|
|
static int __run_foreach (sse_awk_run_t* run, sse_awk_nde_foreach_t* nde)
|
|
{
|
|
int n;
|
|
sse_awk_nde_exp_t* test;
|
|
sse_awk_val_t* rv;
|
|
sse_awk_map_t* map;
|
|
struct __foreach_walker_t walker;
|
|
|
|
test = (sse_awk_nde_exp_t*)nde->test;
|
|
sse_awk_assert (run->awk, test->type == SSE_AWK_NDE_EXP_BIN &&
|
|
test->opcode == SSE_AWK_BINOP_IN);
|
|
|
|
/* chained expressions should not be allowed
|
|
* by the parser first of all */
|
|
sse_awk_assert (run->awk, test->right->next == SSE_NULL);
|
|
|
|
rv = __eval_expression (run, test->right);
|
|
if (rv == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (rv);
|
|
if (rv->type != SSE_AWK_VAL_MAP)
|
|
{
|
|
sse_awk_refdownval (run, rv);
|
|
PANIC_I (run, SSE_AWK_ENOTINDEXABLE);
|
|
}
|
|
map = ((sse_awk_val_map_t*)rv)->map;
|
|
|
|
walker.run = run;
|
|
walker.var = test->left;
|
|
walker.body = nde->body;
|
|
n = sse_awk_map_walk (map, __walk_foreach, &walker);
|
|
|
|
sse_awk_refdownval (run, rv);
|
|
return n;
|
|
}
|
|
|
|
static int __run_break (sse_awk_run_t* run, sse_awk_nde_break_t* nde)
|
|
{
|
|
run->exit_level = EXIT_BREAK;
|
|
return 0;
|
|
}
|
|
|
|
static int __run_continue (sse_awk_run_t* run, sse_awk_nde_continue_t* nde)
|
|
{
|
|
run->exit_level = EXIT_CONTINUE;
|
|
return 0;
|
|
}
|
|
|
|
static int __run_return (sse_awk_run_t* run, sse_awk_nde_return_t* nde)
|
|
{
|
|
if (nde->val != SSE_NULL)
|
|
{
|
|
sse_awk_val_t* val;
|
|
|
|
/* chained expressions should not be allowed
|
|
* by the parser first of all */
|
|
sse_awk_assert (run->awk, nde->val->next == SSE_NULL);
|
|
|
|
/*xp_printf (SSE_T("returning....\n"));*/
|
|
val = __eval_expression (run, nde->val);
|
|
if (val == SSE_NULL) return -1;
|
|
|
|
sse_awk_refdownval (run, STACK_RETVAL(run));
|
|
STACK_RETVAL(run) = val;
|
|
sse_awk_refupval (val); /* see __eval_call for the trick */
|
|
/*xp_printf (SSE_T("set return value....\n"));*/
|
|
}
|
|
|
|
run->exit_level = EXIT_FUNCTION;
|
|
return 0;
|
|
}
|
|
|
|
static int __run_exit (sse_awk_run_t* run, sse_awk_nde_exit_t* nde)
|
|
{
|
|
if (nde->val != SSE_NULL)
|
|
{
|
|
sse_awk_val_t* val;
|
|
|
|
/* chained expressions should not be allowed
|
|
* by the parser first of all */
|
|
sse_awk_assert (run->awk, nde->val->next == SSE_NULL);
|
|
|
|
val = __eval_expression (run, nde->val);
|
|
if (val == SSE_NULL) return -1;
|
|
|
|
sse_awk_refdownval (run, STACK_RETVAL_GLOBAL(run));
|
|
STACK_RETVAL_GLOBAL(run) = val; /* global return value */
|
|
|
|
sse_awk_refupval (val);
|
|
}
|
|
|
|
run->exit_level = EXIT_GLOBAL;
|
|
return 0;
|
|
}
|
|
|
|
static int __run_next (sse_awk_run_t* run, sse_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 == (sse_awk_nde_blk_t*)run->awk->tree.begin ||
|
|
run->active_block == (sse_awk_nde_blk_t*)run->awk->tree.end)
|
|
{
|
|
PANIC_I (run, SSE_AWK_ENEXTCALL);
|
|
}
|
|
|
|
run->exit_level = EXIT_NEXT;
|
|
return 0;
|
|
}
|
|
|
|
static int __run_nextfile (sse_awk_run_t* run, sse_awk_nde_nextfile_t* nde)
|
|
{
|
|
/* TODO: some extentions such as nextfile "in/out";
|
|
* what about awk -i in1,in2,in3 -o out1,out2,out3 ?
|
|
*/
|
|
int n;
|
|
|
|
if (run->active_block == (sse_awk_nde_blk_t*)run->awk->tree.begin ||
|
|
run->active_block == (sse_awk_nde_blk_t*)run->awk->tree.end)
|
|
{
|
|
run->errnum = SSE_AWK_ENEXTFILECALL;
|
|
return -1;
|
|
}
|
|
|
|
n = sse_awk_nextextio_read (run, SSE_AWK_IN_CONSOLE, SSE_T(""));
|
|
if (n == -1)
|
|
{
|
|
if (run->errnum == SSE_AWK_EIOHANDLER)
|
|
run->errnum = SSE_AWK_ECONINNEXT;
|
|
return -1;
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
/* no more input file */
|
|
run->exit_level = EXIT_GLOBAL;
|
|
return 0;
|
|
}
|
|
|
|
if (__update_fnr (run, 0) == -1) return -1;
|
|
|
|
/* TODO: Consider using FILENAME_IN and FILENAME_OUT to accomplish nextfile in/out */
|
|
run->exit_level = EXIT_NEXT;
|
|
return 0;
|
|
}
|
|
|
|
static int __run_delete (sse_awk_run_t* run, sse_awk_nde_delete_t* nde)
|
|
{
|
|
sse_awk_nde_var_t* var;
|
|
|
|
var = (sse_awk_nde_var_t*) nde->var;
|
|
|
|
if (var->type == SSE_AWK_NDE_NAMED ||
|
|
var->type == SSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
sse_awk_pair_t* pair;
|
|
|
|
sse_awk_assert (run->awk, (var->type == SSE_AWK_NDE_NAMED &&
|
|
var->idx == SSE_NULL) ||
|
|
(var->type == SSE_AWK_NDE_NAMEDIDX &&
|
|
var->idx != SSE_NULL));
|
|
|
|
pair = sse_awk_map_get (
|
|
&run->named, var->id.name, var->id.name_len);
|
|
if (pair == SSE_NULL)
|
|
{
|
|
sse_awk_val_t* tmp;
|
|
|
|
/* value not set for the named variable.
|
|
* create a map and assign it to the variable */
|
|
|
|
tmp = sse_awk_makemapval (run);
|
|
if (tmp == SSE_NULL) PANIC_I (run, SSE_AWK_ENOMEM);
|
|
|
|
if (sse_awk_map_put (&run->named,
|
|
var->id.name, var->id.name_len, tmp) == SSE_NULL)
|
|
{
|
|
sse_awk_refupval (tmp);
|
|
sse_awk_refdownval (run, tmp);
|
|
PANIC_I (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
sse_awk_refupval (tmp);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_val_t* val;
|
|
sse_awk_map_t* map;
|
|
|
|
val = (sse_awk_val_t*)pair->val;
|
|
sse_awk_assert (run->awk, val != SSE_NULL);
|
|
|
|
if (val->type != SSE_AWK_VAL_MAP)
|
|
PANIC_I (run, SSE_AWK_ENOTDELETABLE);
|
|
|
|
map = ((sse_awk_val_map_t*)val)->map;
|
|
if (var->type == SSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
sse_char_t* key;
|
|
sse_size_t key_len;
|
|
sse_awk_val_t* idx;
|
|
|
|
sse_awk_assert (run->awk, var->idx != SSE_NULL);
|
|
|
|
idx = __eval_expression (run, var->idx);
|
|
if (idx == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (idx);
|
|
key = sse_awk_valtostr (
|
|
run, idx, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &key_len);
|
|
sse_awk_refdownval (run, idx);
|
|
|
|
if (key == SSE_NULL) return -1;
|
|
|
|
sse_awk_map_remove (map, key, key_len);
|
|
SSE_AWK_FREE (run->awk, key);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_map_clear (map);
|
|
}
|
|
}
|
|
}
|
|
else if (var->type == SSE_AWK_NDE_GLOBAL ||
|
|
var->type == SSE_AWK_NDE_LOCAL ||
|
|
var->type == SSE_AWK_NDE_ARG ||
|
|
var->type == SSE_AWK_NDE_GLOBALIDX ||
|
|
var->type == SSE_AWK_NDE_LOCALIDX ||
|
|
var->type == SSE_AWK_NDE_ARGIDX)
|
|
{
|
|
sse_awk_val_t* val;
|
|
|
|
if (var->type == SSE_AWK_NDE_GLOBAL ||
|
|
var->type == SSE_AWK_NDE_GLOBALIDX)
|
|
val = STACK_GLOBAL (run,var->id.idxa);
|
|
else if (var->type == SSE_AWK_NDE_LOCAL ||
|
|
var->type == SSE_AWK_NDE_LOCALIDX)
|
|
val = STACK_LOCAL (run,var->id.idxa);
|
|
else val = STACK_ARG (run,var->id.idxa);
|
|
|
|
sse_awk_assert (run->awk, val != SSE_NULL);
|
|
|
|
if (val->type == SSE_AWK_VAL_NIL)
|
|
{
|
|
sse_awk_val_t* tmp;
|
|
|
|
/* value not set for the named variable.
|
|
* create a map and assign it to the variable */
|
|
|
|
tmp = sse_awk_makemapval (run);
|
|
if (tmp == SSE_NULL) PANIC_I (run, SSE_AWK_ENOMEM);
|
|
|
|
/* no need to reduce the reference count of
|
|
* the previous value because it was nil. */
|
|
if (var->type == SSE_AWK_NDE_GLOBAL ||
|
|
var->type == SSE_AWK_NDE_GLOBALIDX)
|
|
{
|
|
if (sse_awk_setglobal (
|
|
run, var->id.idxa, tmp) == -1)
|
|
{
|
|
sse_awk_refupval (tmp);
|
|
sse_awk_refdownval (run, tmp);
|
|
return -1;
|
|
}
|
|
}
|
|
else if (var->type == SSE_AWK_NDE_LOCAL ||
|
|
var->type == SSE_AWK_NDE_LOCALIDX)
|
|
{
|
|
STACK_LOCAL(run,var->id.idxa) = tmp;
|
|
sse_awk_refupval (tmp);
|
|
}
|
|
else
|
|
{
|
|
STACK_ARG(run,var->id.idxa) = tmp;
|
|
sse_awk_refupval (tmp);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_awk_map_t* map;
|
|
|
|
if (val->type != SSE_AWK_VAL_MAP)
|
|
PANIC_I (run, SSE_AWK_ENOTDELETABLE);
|
|
|
|
map = ((sse_awk_val_map_t*)val)->map;
|
|
if (var->type == SSE_AWK_NDE_GLOBALIDX ||
|
|
var->type == SSE_AWK_NDE_LOCALIDX ||
|
|
var->type == SSE_AWK_NDE_ARGIDX)
|
|
{
|
|
sse_char_t* key;
|
|
sse_size_t key_len;
|
|
sse_awk_val_t* idx;
|
|
|
|
sse_awk_assert (run->awk, var->idx != SSE_NULL);
|
|
|
|
idx = __eval_expression (run, var->idx);
|
|
if (idx == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (idx);
|
|
key = sse_awk_valtostr (
|
|
run, idx, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &key_len);
|
|
sse_awk_refdownval (run, idx);
|
|
|
|
if (key == SSE_NULL) return -1;
|
|
|
|
sse_awk_map_remove (map, key, key_len);
|
|
SSE_AWK_FREE (run->awk, key);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_map_clear (map);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, !"should never happen - wrong variable type for delete");
|
|
PANIC_I (run, SSE_AWK_EINTERNAL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __run_print (sse_awk_run_t* run, sse_awk_nde_print_t* nde)
|
|
{
|
|
sse_awk_nde_print_t* p = (sse_awk_nde_print_t*)nde;
|
|
sse_char_t* out = SSE_NULL;
|
|
const sse_char_t* dst;
|
|
sse_awk_val_t* v;
|
|
sse_awk_nde_t* np;
|
|
int n;
|
|
|
|
sse_awk_assert (run->awk,
|
|
(p->out_type == SSE_AWK_OUT_PIPE && p->out != SSE_NULL) ||
|
|
(p->out_type == SSE_AWK_OUT_COPROC && p->out != SSE_NULL) ||
|
|
(p->out_type == SSE_AWK_OUT_FILE && p->out != SSE_NULL) ||
|
|
(p->out_type == SSE_AWK_OUT_FILE_APPEND && p->out != SSE_NULL) ||
|
|
(p->out_type == SSE_AWK_OUT_CONSOLE && p->out == SSE_NULL));
|
|
|
|
if (p->out != SSE_NULL)
|
|
{
|
|
sse_size_t len;
|
|
|
|
v = __eval_expression (run, p->out);
|
|
if (v == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (v);
|
|
out = sse_awk_valtostr (
|
|
run, v, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &len);
|
|
if (out == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, v);
|
|
return -1;
|
|
}
|
|
sse_awk_refdownval (run, v);
|
|
|
|
if (len <= 0)
|
|
{
|
|
/* the output destination name is empty. */
|
|
SSE_AWK_FREE (run->awk, out);
|
|
n = -1;
|
|
goto skip_write;
|
|
}
|
|
|
|
while (len > 0)
|
|
{
|
|
if (out[--len] == SSE_T('\0'))
|
|
{
|
|
/* the output destination name contains a null
|
|
* character. */
|
|
SSE_AWK_FREE (run->awk, out);
|
|
n = -1;
|
|
goto skip_write;
|
|
/* TODO: how to handle error???
|
|
* make print return -1??? not possible.
|
|
* throw an exception??
|
|
* set ERRNO or what??? this seems most
|
|
* reasonable. or can it have a global
|
|
* flag variable for print/printf such
|
|
* as PRINT_ERRNO? */
|
|
}
|
|
}
|
|
}
|
|
|
|
dst = (out == SSE_NULL)? SSE_T(""): out;
|
|
|
|
if (p->args == SSE_NULL)
|
|
{
|
|
/*
|
|
v = run->inrec.d0;
|
|
sse_awk_refupval (v);
|
|
n = sse_awk_writeextio_val (run, p->out_type, dst, v);
|
|
if (n < 0 && run->errnum != SSE_AWK_EIOHANDLER)
|
|
{
|
|
if (out != SSE_NULL) SSE_AWK_FREE (run->awk, out);
|
|
sse_awk_refdownval (run, v);
|
|
return -1;
|
|
}
|
|
sse_awk_refdownval (run, v);
|
|
*/
|
|
n = sse_awk_writeextio_str (
|
|
run, p->out_type, dst,
|
|
SSE_AWK_STR_BUF(&run->inrec.line),
|
|
SSE_AWK_STR_LEN(&run->inrec.line));
|
|
if (n < 0 && run->errnum != SSE_AWK_EIOHANDLER)
|
|
{
|
|
if (out != SSE_NULL) SSE_AWK_FREE (run->awk, out);
|
|
return -1;
|
|
}
|
|
/* TODO: how to handle n == -1 && errnum == SSE_AWK_EIOHANDLER.
|
|
* that is the user handler returned an error... */
|
|
}
|
|
else
|
|
{
|
|
for (np = p->args; np != SSE_NULL; np = np->next)
|
|
{
|
|
if (np != p->args)
|
|
{
|
|
n = sse_awk_writeextio_str (
|
|
run, p->out_type, dst,
|
|
run->global.ofs.ptr,
|
|
run->global.ofs.len);
|
|
if (n < 0 && run->errnum != SSE_AWK_EIOHANDLER)
|
|
{
|
|
if (out != SSE_NULL) SSE_AWK_FREE (run->awk, out);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
v = __eval_expression (run, np);
|
|
if (v == SSE_NULL)
|
|
{
|
|
if (out != SSE_NULL) SSE_AWK_FREE (run->awk, out);
|
|
return -1;
|
|
}
|
|
sse_awk_refupval (v);
|
|
|
|
n = sse_awk_writeextio_val (run, p->out_type, dst, v);
|
|
if (n < 0 && run->errnum != SSE_AWK_EIOHANDLER)
|
|
{
|
|
if (out != SSE_NULL) SSE_AWK_FREE (run->awk, out);
|
|
sse_awk_refdownval (run, v);
|
|
return -1;
|
|
}
|
|
|
|
sse_awk_refdownval (run, v);
|
|
|
|
|
|
/* TODO: how to handle n == -1 && run->errnum == SSE_AWK_EIOHANDLER.
|
|
* that is the user handler returned an error... */
|
|
}
|
|
}
|
|
|
|
n = sse_awk_writeextio_str (
|
|
run, p->out_type, dst,
|
|
run->global.ors.ptr, run->global.ors.len);
|
|
if (n < 0 && run->errnum != SSE_AWK_EIOHANDLER)
|
|
{
|
|
if (out != SSE_NULL) SSE_AWK_FREE (run->awk, out);
|
|
return -1;
|
|
}
|
|
|
|
/* TODO: how to handle n == -1 && errnum == SSE_AWK_EIOHANDLER.
|
|
* that is the user handler returned an error... */
|
|
|
|
if (out != SSE_NULL) SSE_AWK_FREE (run->awk, out);
|
|
|
|
skip_write:
|
|
return 0;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_expression (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* v;
|
|
int n, errnum;
|
|
|
|
v = __eval_expression0 (run, nde);
|
|
if (v == SSE_NULL) return SSE_NULL;
|
|
|
|
if (v->type == SSE_AWK_VAL_REX)
|
|
{
|
|
sse_awk_refupval (v);
|
|
|
|
if (run->inrec.d0->type == SSE_AWK_VAL_NIL)
|
|
{
|
|
/* the record has never been read.
|
|
* probably, this functions has been triggered
|
|
* by the statements in the BEGIN block */
|
|
n = sse_awk_isemptyrex (run->awk, ((sse_awk_val_rex_t*)v)->code)? 1: 0;
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, run->inrec.d0->type == SSE_AWK_VAL_STR);
|
|
|
|
n = sse_awk_matchrex (
|
|
((sse_awk_run_t*)run)->awk,
|
|
((sse_awk_val_rex_t*)v)->code,
|
|
((((sse_awk_run_t*)run)->global.ignorecase)? SSE_AWK_REX_IGNORECASE: 0),
|
|
((sse_awk_val_str_t*)run->inrec.d0)->buf,
|
|
((sse_awk_val_str_t*)run->inrec.d0)->len,
|
|
SSE_NULL, SSE_NULL, &errnum);
|
|
|
|
if (n == -1)
|
|
{
|
|
sse_awk_refdownval (run, v);
|
|
PANIC (run, errnum);
|
|
}
|
|
}
|
|
|
|
sse_awk_refdownval (run, v);
|
|
|
|
v = sse_awk_makeintval (run, (n != 0));
|
|
if (v == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
return v;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_expression0 (sse_awk_run_t* run, sse_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
|
|
};
|
|
|
|
sse_awk_assert (run->awk, nde->type >= SSE_AWK_NDE_GRP &&
|
|
(nde->type - SSE_AWK_NDE_GRP) < sse_countof(__eval_func));
|
|
|
|
return __eval_func[nde->type-SSE_AWK_NDE_GRP] (run, nde);
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_group (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
/* __eval_binop_in evaluates the SSE_AWK_NDE_GRP specially.
|
|
* so this function should never be reached. */
|
|
sse_awk_assert (run->awk, !"should never happen - NDE_GRP only for in");
|
|
PANIC (run, SSE_AWK_EINTERNAL);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_assignment (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* val, * ret;
|
|
sse_awk_nde_ass_t* ass = (sse_awk_nde_ass_t*)nde;
|
|
|
|
sse_awk_assert (run->awk, ass->left != SSE_NULL && ass->right != SSE_NULL);
|
|
|
|
sse_awk_assert (run->awk, ass->right->next == SSE_NULL);
|
|
val = __eval_expression (run, ass->right);
|
|
if (val == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (val);
|
|
|
|
if (ass->opcode != SSE_AWK_ASSOP_NONE)
|
|
{
|
|
sse_awk_val_t* val2, * tmp;
|
|
|
|
sse_awk_assert (run->awk, ass->left->next == SSE_NULL);
|
|
val2 = __eval_expression (run, ass->left);
|
|
if (val2 == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, val);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refupval (val2);
|
|
|
|
if (ass->opcode == SSE_AWK_ASSOP_PLUS)
|
|
{
|
|
tmp = __eval_binop_plus (run, val2, val);
|
|
}
|
|
else if (ass->opcode == SSE_AWK_ASSOP_MINUS)
|
|
{
|
|
tmp = __eval_binop_minus (run, val2, val);
|
|
}
|
|
else if (ass->opcode == SSE_AWK_ASSOP_MUL)
|
|
{
|
|
tmp = __eval_binop_mul (run, val2, val);
|
|
}
|
|
else if (ass->opcode == SSE_AWK_ASSOP_DIV)
|
|
{
|
|
tmp = __eval_binop_div (run, val2, val);
|
|
}
|
|
else if (ass->opcode == SSE_AWK_ASSOP_MOD)
|
|
{
|
|
tmp = __eval_binop_mod (run, val2, val);
|
|
}
|
|
else if (ass->opcode == SSE_AWK_ASSOP_EXP)
|
|
{
|
|
tmp = __eval_binop_exp (run, val2, val);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, !"should never happen - invalid assignment opcode");
|
|
PANIC (run, SSE_AWK_EINTERNAL);
|
|
}
|
|
|
|
if (tmp == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, val);
|
|
sse_awk_refdownval (run, val2);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refdownval (run, val);
|
|
val = tmp;
|
|
sse_awk_refupval (val);
|
|
}
|
|
|
|
ret = __do_assignment (run, ass->left, val);
|
|
sse_awk_refdownval (run, val);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static sse_awk_val_t* __do_assignment (
|
|
sse_awk_run_t* run, sse_awk_nde_t* var, sse_awk_val_t* val)
|
|
{
|
|
sse_awk_val_t* ret;
|
|
|
|
if (val->type == SSE_AWK_VAL_MAP)
|
|
{
|
|
/* a map cannot be assigned to a variable */
|
|
PANIC (run, SSE_AWK_ENOTASSIGNABLE);
|
|
}
|
|
|
|
if (var->type == SSE_AWK_NDE_NAMED ||
|
|
var->type == SSE_AWK_NDE_GLOBAL ||
|
|
var->type == SSE_AWK_NDE_LOCAL ||
|
|
var->type == SSE_AWK_NDE_ARG)
|
|
{
|
|
ret = __do_assignment_scalar (run, (sse_awk_nde_var_t*)var, val);
|
|
}
|
|
else if (var->type == SSE_AWK_NDE_NAMEDIDX ||
|
|
var->type == SSE_AWK_NDE_GLOBALIDX ||
|
|
var->type == SSE_AWK_NDE_LOCALIDX ||
|
|
var->type == SSE_AWK_NDE_ARGIDX)
|
|
{
|
|
ret = __do_assignment_map (run, (sse_awk_nde_var_t*)var, val);
|
|
}
|
|
else if (var->type == SSE_AWK_NDE_POS)
|
|
{
|
|
ret = __do_assignment_pos (run, (sse_awk_nde_pos_t*)var, val);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, !"should never happen - invalid variable type");
|
|
PANIC (run, SSE_AWK_EINTERNAL);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static sse_awk_val_t* __do_assignment_scalar (
|
|
sse_awk_run_t* run, sse_awk_nde_var_t* var, sse_awk_val_t* val)
|
|
{
|
|
sse_awk_assert (run->awk,
|
|
(var->type == SSE_AWK_NDE_NAMED ||
|
|
var->type == SSE_AWK_NDE_GLOBAL ||
|
|
var->type == SSE_AWK_NDE_LOCAL ||
|
|
var->type == SSE_AWK_NDE_ARG) && var->idx == SSE_NULL);
|
|
|
|
sse_awk_assert (run->awk, val->type != SSE_AWK_VAL_MAP);
|
|
|
|
if (var->type == SSE_AWK_NDE_NAMED)
|
|
{
|
|
sse_awk_pair_t* pair;
|
|
int n;
|
|
|
|
pair = sse_awk_map_get (
|
|
&run->named, var->id.name, var->id.name_len);
|
|
if (pair != SSE_NULL &&
|
|
((sse_awk_val_t*)pair->val)->type == SSE_AWK_VAL_MAP)
|
|
{
|
|
/* once a variable becomes an array,
|
|
* it cannot be changed to a scalar variable */
|
|
PANIC (run, SSE_AWK_EMAPTOSCALAR);
|
|
}
|
|
|
|
n = sse_awk_map_putx (&run->named,
|
|
var->id.name, var->id.name_len, val, SSE_NULL);
|
|
if (n < 0) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
sse_awk_refupval (val);
|
|
}
|
|
else if (var->type == SSE_AWK_NDE_GLOBAL)
|
|
{
|
|
if (sse_awk_setglobal (
|
|
run, var->id.idxa, val) == -1) return SSE_NULL;
|
|
}
|
|
else if (var->type == SSE_AWK_NDE_LOCAL)
|
|
{
|
|
sse_awk_val_t* old = STACK_LOCAL(run,var->id.idxa);
|
|
if (old->type == SSE_AWK_VAL_MAP)
|
|
{
|
|
/* once the variable becomes an array,
|
|
* it cannot be changed to a scalar variable */
|
|
PANIC (run, SSE_AWK_EMAPTOSCALAR);
|
|
}
|
|
|
|
sse_awk_refdownval (run, old);
|
|
STACK_LOCAL(run,var->id.idxa) = val;
|
|
sse_awk_refupval (val);
|
|
}
|
|
else /* if (var->type == SSE_AWK_NDE_ARG) */
|
|
{
|
|
sse_awk_val_t* old = STACK_ARG(run,var->id.idxa);
|
|
if (old->type == SSE_AWK_VAL_MAP)
|
|
{
|
|
/* once the variable becomes an array,
|
|
* it cannot be changed to a scalar variable */
|
|
PANIC (run, SSE_AWK_EMAPTOSCALAR);
|
|
}
|
|
|
|
sse_awk_refdownval (run, old);
|
|
STACK_ARG(run,var->id.idxa) = val;
|
|
sse_awk_refupval (val);
|
|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
static sse_awk_val_t* __do_assignment_map (
|
|
sse_awk_run_t* run, sse_awk_nde_var_t* var, sse_awk_val_t* val)
|
|
{
|
|
sse_awk_val_map_t* map;
|
|
sse_char_t* str;
|
|
sse_size_t len;
|
|
int n;
|
|
|
|
sse_awk_assert (run->awk,
|
|
(var->type == SSE_AWK_NDE_NAMEDIDX ||
|
|
var->type == SSE_AWK_NDE_GLOBALIDX ||
|
|
var->type == SSE_AWK_NDE_LOCALIDX ||
|
|
var->type == SSE_AWK_NDE_ARGIDX) && var->idx != SSE_NULL);
|
|
sse_awk_assert (run->awk, val->type != SSE_AWK_VAL_MAP);
|
|
|
|
if (var->type == SSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
sse_awk_pair_t* pair;
|
|
pair = sse_awk_map_get (
|
|
&run->named, var->id.name, var->id.name_len);
|
|
map = (pair == SSE_NULL)?
|
|
(sse_awk_val_map_t*)sse_awk_val_nil:
|
|
(sse_awk_val_map_t*)pair->val;
|
|
}
|
|
else
|
|
{
|
|
map = (var->type == SSE_AWK_NDE_GLOBALIDX)?
|
|
(sse_awk_val_map_t*)STACK_GLOBAL(run,var->id.idxa):
|
|
(var->type == SSE_AWK_NDE_LOCALIDX)?
|
|
(sse_awk_val_map_t*)STACK_LOCAL(run,var->id.idxa):
|
|
(sse_awk_val_map_t*)STACK_ARG(run,var->id.idxa);
|
|
}
|
|
|
|
if (map->type == SSE_AWK_VAL_NIL)
|
|
{
|
|
/* the map is not initialized yet */
|
|
sse_awk_val_t* tmp;
|
|
|
|
tmp = sse_awk_makemapval (run);
|
|
if (tmp == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
if (var->type == SSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
/* doesn't have to decrease the reference count
|
|
* of the previous value here as it is done by
|
|
* sse_awk_map_put */
|
|
if (sse_awk_map_put (&run->named,
|
|
var->id.name, var->id.name_len, tmp) == SSE_NULL)
|
|
{
|
|
sse_awk_refupval (tmp);
|
|
sse_awk_refdownval (run, tmp);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
sse_awk_refupval (tmp);
|
|
}
|
|
else if (var->type == SSE_AWK_NDE_GLOBALIDX)
|
|
{
|
|
sse_awk_refupval (tmp);
|
|
if (sse_awk_setglobal (run, var->id.idxa, tmp) == -1)
|
|
{
|
|
sse_awk_refdownval (run, tmp);
|
|
return SSE_NULL;
|
|
}
|
|
sse_awk_refdownval (run, tmp);
|
|
}
|
|
else if (var->type == SSE_AWK_NDE_LOCALIDX)
|
|
{
|
|
sse_awk_refdownval (run, (sse_awk_val_t*)map);
|
|
STACK_LOCAL(run,var->id.idxa) = tmp;
|
|
sse_awk_refupval (tmp);
|
|
}
|
|
else /* if (var->type == SSE_AWK_NDE_ARGIDX) */
|
|
{
|
|
sse_awk_refdownval (run, (sse_awk_val_t*)map);
|
|
STACK_ARG(run,var->id.idxa) = tmp;
|
|
sse_awk_refupval (tmp);
|
|
}
|
|
|
|
map = (sse_awk_val_map_t*) tmp;
|
|
}
|
|
else if (map->type != SSE_AWK_VAL_MAP)
|
|
{
|
|
PANIC (run, SSE_AWK_ENOTINDEXABLE);
|
|
}
|
|
|
|
str = __idxnde_to_str (run, var->idx, &len);
|
|
if (str == SSE_NULL) return SSE_NULL;
|
|
|
|
/*
|
|
xp_printf (SSE_T("**** index str=>%s, map->ref=%d, map->type=%d\n"), str, (int)map->ref, (int)map->type);
|
|
*/
|
|
n = sse_awk_map_putx (map->map, str, len, val, SSE_NULL);
|
|
if (n < 0)
|
|
{
|
|
SSE_AWK_FREE (run->awk, str);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
SSE_AWK_FREE (run->awk, str);
|
|
sse_awk_refupval (val);
|
|
return val;
|
|
}
|
|
|
|
static sse_awk_val_t* __do_assignment_pos (
|
|
sse_awk_run_t* run, sse_awk_nde_pos_t* pos, sse_awk_val_t* val)
|
|
{
|
|
sse_awk_val_t* v;
|
|
sse_long_t lv;
|
|
sse_real_t rv;
|
|
sse_char_t* str;
|
|
sse_size_t len;
|
|
int n;
|
|
|
|
v = __eval_expression (run, pos->val);
|
|
if (v == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (v);
|
|
n = sse_awk_valtonum (run, v, &lv, &rv);
|
|
sse_awk_refdownval (run, v);
|
|
|
|
if (n == -1) PANIC (run, SSE_AWK_EPOSIDX);
|
|
if (n == 1) lv = (sse_long_t)rv;
|
|
if (!IS_VALID_POSIDX(lv)) PANIC (run, SSE_AWK_EPOSIDX);
|
|
|
|
if (val->type == SSE_AWK_VAL_STR)
|
|
{
|
|
str = ((sse_awk_val_str_t*)val)->buf;
|
|
len = ((sse_awk_val_str_t*)val)->len;
|
|
}
|
|
else
|
|
{
|
|
str = sse_awk_valtostr (run, val, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &len);
|
|
if (str == SSE_NULL) return SSE_NULL;
|
|
}
|
|
|
|
n = sse_awk_setrec (run, (sse_size_t)lv, str, len);
|
|
|
|
if (val->type != SSE_AWK_VAL_STR) SSE_AWK_FREE (run->awk, str);
|
|
|
|
if (n == -1) return SSE_NULL;
|
|
return (lv == 0)? run->inrec.d0: run->inrec.flds[lv-1].val;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binary (sse_awk_run_t* run, sse_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 */
|
|
|
|
SSE_NULL, /* __eval_binop_lor */
|
|
SSE_NULL, /* __eval_binop_land */
|
|
SSE_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_mod,
|
|
__eval_binop_exp,
|
|
|
|
__eval_binop_concat,
|
|
SSE_NULL, /* __eval_binop_ma */
|
|
SSE_NULL /* __eval_binop_nm */
|
|
};
|
|
|
|
sse_awk_nde_exp_t* exp = (sse_awk_nde_exp_t*)nde;
|
|
sse_awk_val_t* left, * right, * res;
|
|
|
|
sse_awk_assert (run->awk, exp->type == SSE_AWK_NDE_EXP_BIN);
|
|
|
|
if (exp->opcode == SSE_AWK_BINOP_LAND)
|
|
{
|
|
res = __eval_binop_land (run, exp->left, exp->right);
|
|
}
|
|
else if (exp->opcode == SSE_AWK_BINOP_LOR)
|
|
{
|
|
res = __eval_binop_lor (run, exp->left, exp->right);
|
|
}
|
|
else if (exp->opcode == SSE_AWK_BINOP_IN)
|
|
{
|
|
/* treat the in operator specially */
|
|
res = __eval_binop_in (run, exp->left, exp->right);
|
|
}
|
|
else if (exp->opcode == SSE_AWK_BINOP_NM)
|
|
{
|
|
res = __eval_binop_nm (run, exp->left, exp->right);
|
|
}
|
|
else if (exp->opcode == SSE_AWK_BINOP_MA)
|
|
{
|
|
res = __eval_binop_ma (run, exp->left, exp->right);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, exp->left->next == SSE_NULL);
|
|
left = __eval_expression (run, exp->left);
|
|
if (left == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (left);
|
|
|
|
sse_awk_assert (run->awk, exp->right->next == SSE_NULL);
|
|
right = __eval_expression (run, exp->right);
|
|
if (right == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refupval (right);
|
|
|
|
sse_awk_assert (run->awk, exp->opcode >= 0 &&
|
|
exp->opcode < sse_countof(__binop_func));
|
|
sse_awk_assert (run->awk, __binop_func[exp->opcode] != SSE_NULL);
|
|
|
|
res = __binop_func[exp->opcode] (run, left, right);
|
|
|
|
sse_awk_refdownval (run, left);
|
|
sse_awk_refdownval (run, right);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_lor (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right)
|
|
{
|
|
/*
|
|
sse_awk_val_t* res = SSE_NULL;
|
|
|
|
res = sse_awk_makeintval (run,
|
|
sse_awk_valtobool(run left) || sse_awk_valtobool(run,right));
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
return res;
|
|
*/
|
|
|
|
/* short-circuit evaluation required special treatment */
|
|
sse_awk_val_t* lv, * rv, * res;
|
|
|
|
sse_awk_assert (run->awk, left->next == SSE_NULL);
|
|
lv = __eval_expression (run, left);
|
|
if (lv == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (lv);
|
|
if (sse_awk_valtobool (run, lv))
|
|
{
|
|
/*res = sse_awk_makeintval (run, 1);*/
|
|
res = sse_awk_val_one;
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, right->next == SSE_NULL);
|
|
rv = __eval_expression (run, right);
|
|
if (rv == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, lv);
|
|
return SSE_NULL;
|
|
}
|
|
sse_awk_refupval (rv);
|
|
|
|
/*res = sse_awk_makeintval (run, (sse_awk_valtobool(run,rv)? 1: 0));*/
|
|
res = sse_awk_valtobool(run,rv)? sse_awk_val_one: sse_awk_val_zero;
|
|
sse_awk_refdownval (run, rv);
|
|
}
|
|
|
|
sse_awk_refdownval (run, lv);
|
|
|
|
/*if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);*/
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_land (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right)
|
|
{
|
|
/*
|
|
sse_awk_val_t* res = SSE_NULL;
|
|
|
|
res = sse_awk_makeintval (run,
|
|
sse_awk_valtobool(run,left) && sse_awk_valtobool(run,right));
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
return res;
|
|
*/
|
|
|
|
/* short-circuit evaluation required special treatment */
|
|
sse_awk_val_t* lv, * rv, * res;
|
|
|
|
sse_awk_assert (run->awk, left->next == SSE_NULL);
|
|
lv = __eval_expression (run, left);
|
|
if (lv == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (lv);
|
|
if (!sse_awk_valtobool (run, lv))
|
|
{
|
|
/*res = sse_awk_makeintval (run, 0);*/
|
|
res = sse_awk_val_zero;
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, right->next == SSE_NULL);
|
|
rv = __eval_expression (run, right);
|
|
if (rv == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, lv);
|
|
return SSE_NULL;
|
|
}
|
|
sse_awk_refupval (rv);
|
|
|
|
/*res = sse_awk_makeintval (run, (sse_awk_valtobool(run,rv)? 1: 0));*/
|
|
res = sse_awk_valtobool(run,rv)? sse_awk_val_one: sse_awk_val_zero;
|
|
sse_awk_refdownval (run, rv);
|
|
}
|
|
|
|
sse_awk_refdownval (run, lv);
|
|
|
|
/*if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);*/
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_in (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right)
|
|
{
|
|
sse_awk_val_t* rv;
|
|
sse_char_t* str;
|
|
sse_size_t len;
|
|
|
|
if (right->type != SSE_AWK_NDE_GLOBAL &&
|
|
right->type != SSE_AWK_NDE_LOCAL &&
|
|
right->type != SSE_AWK_NDE_ARG &&
|
|
right->type != SSE_AWK_NDE_NAMED)
|
|
{
|
|
/* the compiler should have handled this case */
|
|
sse_awk_assert (run->awk, !"should never happen - in needs a plain variable");
|
|
PANIC (run, SSE_AWK_EINTERNAL);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
/* evaluate the left-hand side of the operator */
|
|
str = (left->type == SSE_AWK_NDE_GRP)?
|
|
__idxnde_to_str (run, ((sse_awk_nde_grp_t*)left)->body, &len):
|
|
__idxnde_to_str (run, left, &len);
|
|
if (str == SSE_NULL) return SSE_NULL;
|
|
|
|
/* evaluate the right-hand side of the operator */
|
|
sse_awk_assert (run->awk, right->next == SSE_NULL);
|
|
rv = __eval_expression (run, right);
|
|
if (rv == SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, str);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refupval (rv);
|
|
|
|
if (rv->type == SSE_AWK_VAL_NIL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, str);
|
|
sse_awk_refdownval (run, rv);
|
|
return sse_awk_val_zero;
|
|
}
|
|
else if (rv->type == SSE_AWK_VAL_MAP)
|
|
{
|
|
sse_awk_val_t* res;
|
|
sse_awk_map_t* map;
|
|
|
|
map = ((sse_awk_val_map_t*)rv)->map;
|
|
|
|
/*r = (sse_long_t)(sse_awk_map_get (map, str, len) != SSE_NULL);
|
|
res = sse_awk_makeintval (run, r);
|
|
if (res == SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, str);
|
|
sse_awk_refdownval (run, rv);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}*/
|
|
res = (sse_awk_map_get (map, str, len) == SSE_NULL)?
|
|
sse_awk_val_zero: sse_awk_val_one;
|
|
|
|
SSE_AWK_FREE (run->awk, str);
|
|
sse_awk_refdownval (run, rv);
|
|
return res;
|
|
}
|
|
|
|
/* need an array */
|
|
/* TODO: change the error code to make it clearer */
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_bor (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
sse_awk_val_t* res = SSE_NULL;
|
|
|
|
if (left->type == SSE_AWK_VAL_INT &&
|
|
right->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r =
|
|
((sse_awk_val_int_t*)left)->val |
|
|
((sse_awk_val_int_t*)right)->val;
|
|
res = sse_awk_makeintval (run, r);
|
|
}
|
|
else
|
|
{
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_bxor (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
sse_awk_val_t* res = SSE_NULL;
|
|
|
|
if (left->type == SSE_AWK_VAL_INT &&
|
|
right->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r =
|
|
((sse_awk_val_int_t*)left)->val ^
|
|
((sse_awk_val_int_t*)right)->val;
|
|
res = sse_awk_makeintval (run, r);
|
|
}
|
|
else
|
|
{
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_band (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
sse_awk_val_t* res = SSE_NULL;
|
|
|
|
if (left->type == SSE_AWK_VAL_INT &&
|
|
right->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r =
|
|
((sse_awk_val_int_t*)left)->val &
|
|
((sse_awk_val_int_t*)right)->val;
|
|
res = sse_awk_makeintval (run, r);
|
|
}
|
|
else
|
|
{
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static int __cmp_nil_nil (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_nil_int (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
if (((sse_awk_val_int_t*)right)->val < 0) return 1;
|
|
if (((sse_awk_val_int_t*)right)->val > 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_nil_real (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
if (((sse_awk_val_real_t*)right)->val < 0) return 1;
|
|
if (((sse_awk_val_real_t*)right)->val > 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_nil_str (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
return (((sse_awk_val_str_t*)right)->len == 0)? 0: -1;
|
|
}
|
|
|
|
static int __cmp_int_nil (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
if (((sse_awk_val_int_t*)left)->val > 0) return 1;
|
|
if (((sse_awk_val_int_t*)left)->val < 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_int_int (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
if (((sse_awk_val_int_t*)left)->val >
|
|
((sse_awk_val_int_t*)right)->val) return 1;
|
|
if (((sse_awk_val_int_t*)left)->val <
|
|
((sse_awk_val_int_t*)right)->val) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_int_real (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
if (((sse_awk_val_int_t*)left)->val >
|
|
((sse_awk_val_real_t*)right)->val) return 1;
|
|
if (((sse_awk_val_int_t*)left)->val <
|
|
((sse_awk_val_real_t*)right)->val) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_int_str (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
sse_char_t* str;
|
|
sse_size_t len;
|
|
sse_long_t r;
|
|
sse_real_t rr;
|
|
int n;
|
|
|
|
r = sse_awk_strxtolong (run->awk,
|
|
((sse_awk_val_str_t*)right)->buf,
|
|
((sse_awk_val_str_t*)right)->len, 0, (const sse_char_t**)&str);
|
|
if (str == ((sse_awk_val_str_t*)right)->buf +
|
|
((sse_awk_val_str_t*)right)->len)
|
|
{
|
|
if (((sse_awk_val_int_t*)left)->val > r) return 1;
|
|
if (((sse_awk_val_int_t*)left)->val < r) return -1;
|
|
return 0;
|
|
}
|
|
/* TODO: should i do this??? conversion to real and comparision... */
|
|
else if (*str == SSE_T('.') || *str == SSE_T('E') || *str == SSE_T('e'))
|
|
{
|
|
rr = sse_awk_strxtoreal (run->awk,
|
|
((sse_awk_val_str_t*)right)->buf,
|
|
((sse_awk_val_str_t*)right)->len,
|
|
(const sse_char_t**)&str);
|
|
if (str == ((sse_awk_val_str_t*)right)->buf +
|
|
((sse_awk_val_str_t*)right)->len)
|
|
{
|
|
if (((sse_awk_val_int_t*)left)->val > rr) return 1;
|
|
if (((sse_awk_val_int_t*)left)->val < rr) return -1;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
str = sse_awk_valtostr (run, left, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &len);
|
|
if (str == SSE_NULL)
|
|
{
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return CMP_ERROR;
|
|
}
|
|
|
|
if (run->global.ignorecase)
|
|
{
|
|
n = sse_awk_strxncasecmp (
|
|
run->awk, str, len,
|
|
((sse_awk_val_str_t*)right)->buf,
|
|
((sse_awk_val_str_t*)right)->len);
|
|
}
|
|
else
|
|
{
|
|
n = sse_awk_strxncmp (
|
|
str, len,
|
|
((sse_awk_val_str_t*)right)->buf,
|
|
((sse_awk_val_str_t*)right)->len);
|
|
}
|
|
|
|
SSE_AWK_FREE (run->awk, str);
|
|
return n;
|
|
}
|
|
|
|
static int __cmp_real_nil (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
if (((sse_awk_val_real_t*)left)->val > 0) return 1;
|
|
if (((sse_awk_val_real_t*)left)->val < 0) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_real_int (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
if (((sse_awk_val_real_t*)left)->val >
|
|
((sse_awk_val_int_t*)right)->val) return 1;
|
|
if (((sse_awk_val_real_t*)left)->val <
|
|
((sse_awk_val_int_t*)right)->val) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_real_real (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
if (((sse_awk_val_real_t*)left)->val >
|
|
((sse_awk_val_real_t*)right)->val) return 1;
|
|
if (((sse_awk_val_real_t*)left)->val <
|
|
((sse_awk_val_real_t*)right)->val) return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int __cmp_real_str (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
sse_char_t* str;
|
|
sse_size_t len;
|
|
sse_real_t rr;
|
|
int n;
|
|
|
|
rr = sse_awk_strxtoreal (run->awk,
|
|
((sse_awk_val_str_t*)right)->buf,
|
|
((sse_awk_val_str_t*)right)->len,
|
|
(const sse_char_t**)&str);
|
|
if (str == ((sse_awk_val_str_t*)right)->buf +
|
|
((sse_awk_val_str_t*)right)->len)
|
|
{
|
|
if (((sse_awk_val_real_t*)left)->val > rr) return 1;
|
|
if (((sse_awk_val_real_t*)left)->val < rr) return -1;
|
|
return 0;
|
|
}
|
|
|
|
str = sse_awk_valtostr (run, left, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &len);
|
|
if (str == SSE_NULL)
|
|
{
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return CMP_ERROR;
|
|
}
|
|
|
|
if (run->global.ignorecase)
|
|
{
|
|
n = sse_awk_strxncasecmp (
|
|
run->awk, str, len,
|
|
((sse_awk_val_str_t*)right)->buf,
|
|
((sse_awk_val_str_t*)right)->len);
|
|
}
|
|
else
|
|
{
|
|
n = sse_awk_strxncmp (
|
|
str, len,
|
|
((sse_awk_val_str_t*)right)->buf,
|
|
((sse_awk_val_str_t*)right)->len);
|
|
}
|
|
|
|
SSE_AWK_FREE (run->awk, str);
|
|
return n;
|
|
}
|
|
|
|
static int __cmp_str_nil (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
return (((sse_awk_val_str_t*)left)->len == 0)? 0: 1;
|
|
}
|
|
|
|
static int __cmp_str_int (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
return -__cmp_int_str (run, right, left);
|
|
}
|
|
|
|
static int __cmp_str_real (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
return -__cmp_real_str (run, right, left);
|
|
}
|
|
|
|
static int __cmp_str_str (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n;
|
|
sse_awk_val_str_t* ls, * rs;
|
|
|
|
ls = (sse_awk_val_str_t*)left;
|
|
rs = (sse_awk_val_str_t*)right;
|
|
|
|
if (run->global.ignorecase)
|
|
{
|
|
n = sse_awk_strxncasecmp (run->awk,
|
|
ls->buf, ls->len, rs->buf, rs->len);
|
|
}
|
|
else
|
|
{
|
|
n = sse_awk_strxncmp (
|
|
ls->buf, ls->len, rs->buf, rs->len);
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
static int __cmp_val (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
typedef int (*cmp_val_t) (sse_awk_run_t*, sse_awk_val_t*, sse_awk_val_t*);
|
|
|
|
static cmp_val_t func[] =
|
|
{
|
|
/* this table must be synchronized with
|
|
* the SSE_AWK_VAL_XXX values in val.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 == SSE_AWK_VAL_MAP || right->type == SSE_AWK_VAL_MAP)
|
|
{
|
|
/* a map can't be compared againt other values */
|
|
run->errnum = SSE_AWK_EOPERAND;
|
|
return CMP_ERROR;
|
|
}
|
|
|
|
sse_awk_assert (run->awk,
|
|
left->type >= SSE_AWK_VAL_NIL &&
|
|
left->type <= SSE_AWK_VAL_STR);
|
|
sse_awk_assert (run->awk,
|
|
right->type >= SSE_AWK_VAL_NIL &&
|
|
right->type <= SSE_AWK_VAL_STR);
|
|
|
|
return func[left->type*4+right->type] (run, left, right);
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_eq (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return SSE_NULL;
|
|
return (n == 0)? sse_awk_val_one: sse_awk_val_zero;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_ne (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return SSE_NULL;
|
|
return (n != 0)? sse_awk_val_one: sse_awk_val_zero;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_gt (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return SSE_NULL;
|
|
return (n > 0)? sse_awk_val_one: sse_awk_val_zero;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_ge (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return SSE_NULL;
|
|
return (n >= 0)? sse_awk_val_one: sse_awk_val_zero;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_lt (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return SSE_NULL;
|
|
return (n < 0)? sse_awk_val_one: sse_awk_val_zero;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_le (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n = __cmp_val (run, left, right);
|
|
if (n == CMP_ERROR) return SSE_NULL;
|
|
return (n <= 0)? sse_awk_val_one: sse_awk_val_zero;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_lshift (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
sse_long_t l1, l2;
|
|
sse_real_t r1, r2;
|
|
sse_awk_val_t* res;
|
|
|
|
n1 = sse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = sse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1) PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
if (l2 == 0) PANIC (run, SSE_AWK_EDIVBYZERO);
|
|
res = sse_awk_makeintval (run, (sse_long_t)l1 << (sse_long_t)l2);
|
|
}
|
|
else PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_rshift (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
sse_long_t l1, l2;
|
|
sse_real_t r1, r2;
|
|
sse_awk_val_t* res;
|
|
|
|
n1 = sse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = sse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1) PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
if (l2 == 0) PANIC (run, SSE_AWK_EDIVBYZERO);
|
|
res = sse_awk_makeintval (run, (sse_long_t)l1 >> (sse_long_t)l2);
|
|
}
|
|
else PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_plus (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
sse_long_t l1, l2;
|
|
sse_real_t r1, r2;
|
|
sse_awk_val_t* res;
|
|
|
|
n1 = sse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = sse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1) PANIC (run, SSE_AWK_EOPERAND);
|
|
/*
|
|
n1 n2 n3
|
|
0 0 = 0
|
|
1 0 = 1
|
|
0 1 = 2
|
|
1 1 = 3
|
|
*/
|
|
n3 = n1 + (n2 << 1);
|
|
sse_awk_assert (run->awk, n3 >= 0 && n3 <= 3);
|
|
res = (n3 == 0)? sse_awk_makeintval(run,(sse_long_t)l1+(sse_long_t)l2):
|
|
(n3 == 1)? sse_awk_makerealval(run,(sse_real_t)r1+(sse_real_t)l2):
|
|
(n3 == 2)? sse_awk_makerealval(run,(sse_real_t)l1+(sse_real_t)r2):
|
|
sse_awk_makerealval(run,(sse_real_t)r1+(sse_real_t)r2);
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_minus (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
sse_long_t l1, l2;
|
|
sse_real_t r1, r2;
|
|
sse_awk_val_t* res;
|
|
|
|
n1 = sse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = sse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1) PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
sse_awk_assert (run->awk, n3 >= 0 && n3 <= 3);
|
|
res = (n3 == 0)? sse_awk_makeintval(run,(sse_long_t)l1-(sse_long_t)l2):
|
|
(n3 == 1)? sse_awk_makerealval(run,(sse_real_t)r1-(sse_real_t)l2):
|
|
(n3 == 2)? sse_awk_makerealval(run,(sse_real_t)l1-(sse_real_t)r2):
|
|
sse_awk_makerealval(run,(sse_real_t)r1-(sse_real_t)r2);
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_mul (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
sse_long_t l1, l2;
|
|
sse_real_t r1, r2;
|
|
sse_awk_val_t* res;
|
|
|
|
n1 = sse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = sse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1) PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
sse_awk_assert (run->awk, n3 >= 0 && n3 <= 3);
|
|
res = (n3 == 0)? sse_awk_makeintval(run,(sse_long_t)l1*(sse_long_t)l2):
|
|
(n3 == 1)? sse_awk_makerealval(run,(sse_real_t)r1*(sse_real_t)l2):
|
|
(n3 == 2)? sse_awk_makerealval(run,(sse_real_t)l1*(sse_real_t)r2):
|
|
sse_awk_makerealval(run,(sse_real_t)r1*(sse_real_t)r2);
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_div (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
sse_long_t l1, l2;
|
|
sse_real_t r1, r2;
|
|
sse_awk_val_t* res;
|
|
|
|
n1 = sse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = sse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1) PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
if (l2 == 0) PANIC (run, SSE_AWK_EDIVBYZERO);
|
|
res = sse_awk_makeintval (run, (sse_long_t)l1 / (sse_long_t)l2);
|
|
}
|
|
else if (n3 == 1)
|
|
{
|
|
res = sse_awk_makerealval (run, (sse_real_t)r1 / (sse_real_t)l2);
|
|
}
|
|
else if (n3 == 2)
|
|
{
|
|
res = sse_awk_makerealval (run, (sse_real_t)l1 / (sse_real_t)r2);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, n3 == 3);
|
|
res = sse_awk_makerealval (run, (sse_real_t)r1 / (sse_real_t)r2);
|
|
}
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_mod (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
sse_long_t l1, l2;
|
|
sse_real_t r1, r2;
|
|
sse_awk_val_t* res;
|
|
|
|
n1 = sse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = sse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1) PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
if (l2 == 0) PANIC (run, SSE_AWK_EDIVBYZERO);
|
|
res = sse_awk_makeintval (run, (sse_long_t)l1 % (sse_long_t)l2);
|
|
}
|
|
else PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_exp (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
int n1, n2, n3;
|
|
sse_long_t l1, l2;
|
|
sse_real_t r1, r2;
|
|
sse_awk_val_t* res;
|
|
|
|
n1 = sse_awk_valtonum (run, left, &l1, &r1);
|
|
n2 = sse_awk_valtonum (run, right, &l2, &r2);
|
|
|
|
if (n1 == -1 || n2 == -1) PANIC (run, SSE_AWK_EOPERAND);
|
|
|
|
n3 = n1 + (n2 << 1);
|
|
if (n3 == 0)
|
|
{
|
|
sse_long_t v = 1;
|
|
while (l2-- > 0) v *= l1;
|
|
res = sse_awk_makeintval (run, v);
|
|
}
|
|
else if (n3 == 1)
|
|
{
|
|
/*res = sse_awk_makerealval (
|
|
run, pow((sse_real_t)r1,(sse_real_t)l2));*/
|
|
sse_real_t v = 1.0;
|
|
while (l2-- > 0) v *= r1;
|
|
res = sse_awk_makerealval (run, v);
|
|
}
|
|
else if (n3 == 2)
|
|
{
|
|
res = sse_awk_makerealval (
|
|
run, pow((sse_real_t)l1,(sse_real_t)r2));
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, n3 == 3);
|
|
res = sse_awk_makerealval (
|
|
run, pow((sse_real_t)r1,(sse_real_t)r2));
|
|
}
|
|
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_concat (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right)
|
|
{
|
|
sse_char_t* strl, * strr;
|
|
sse_size_t strl_len, strr_len;
|
|
sse_awk_val_t* res;
|
|
|
|
strl = sse_awk_valtostr (
|
|
run, left, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &strl_len);
|
|
if (strl == SSE_NULL) return SSE_NULL;
|
|
|
|
strr = sse_awk_valtostr (
|
|
run, right, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &strr_len);
|
|
if (strr == SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, strl);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
res = sse_awk_makestrval2 (run, strl, strl_len, strr, strr_len);
|
|
if (res == SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, strl);
|
|
SSE_AWK_FREE (run->awk, strr);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
SSE_AWK_FREE (run->awk, strl);
|
|
SSE_AWK_FREE (run->awk, strr);
|
|
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_ma (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right)
|
|
{
|
|
sse_awk_val_t* lv, * rv, * res;
|
|
|
|
sse_awk_assert (run->awk, left->next == SSE_NULL);
|
|
sse_awk_assert (run->awk, right->next == SSE_NULL);
|
|
|
|
lv = __eval_expression (run, left);
|
|
if (lv == SSE_NULL)
|
|
{
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refupval (lv);
|
|
|
|
rv = __eval_expression0 (run, right);
|
|
if (rv == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, lv);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refupval (rv);
|
|
|
|
res = __eval_binop_match0 (run, lv, rv, 1);
|
|
|
|
sse_awk_refdownval (run, lv);
|
|
sse_awk_refdownval (run, rv);
|
|
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_nm (
|
|
sse_awk_run_t* run, sse_awk_nde_t* left, sse_awk_nde_t* right)
|
|
{
|
|
sse_awk_val_t* lv, * rv, * res;
|
|
|
|
sse_awk_assert (run->awk, left->next == SSE_NULL);
|
|
sse_awk_assert (run->awk, right->next == SSE_NULL);
|
|
|
|
lv = __eval_expression (run, left);
|
|
if (lv == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (lv);
|
|
|
|
rv = __eval_expression0 (run, right);
|
|
if (rv == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, lv);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refupval (rv);
|
|
|
|
res = __eval_binop_match0 (run, lv, rv, 0);
|
|
|
|
sse_awk_refdownval (run, lv);
|
|
sse_awk_refdownval (run, rv);
|
|
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_binop_match0 (
|
|
sse_awk_run_t* run, sse_awk_val_t* left, sse_awk_val_t* right, int ret)
|
|
{
|
|
sse_awk_val_t* res;
|
|
int n, errnum;
|
|
sse_char_t* str;
|
|
sse_size_t len;
|
|
void* rex_code;
|
|
|
|
if (right->type == SSE_AWK_VAL_REX)
|
|
{
|
|
rex_code = ((sse_awk_val_rex_t*)right)->code;
|
|
}
|
|
else if (right->type == SSE_AWK_VAL_STR)
|
|
{
|
|
rex_code = sse_awk_buildrex (
|
|
run->awk,
|
|
((sse_awk_val_str_t*)right)->buf,
|
|
((sse_awk_val_str_t*)right)->len, &errnum);
|
|
if (rex_code == SSE_NULL)
|
|
PANIC (run, errnum);
|
|
}
|
|
else
|
|
{
|
|
str = sse_awk_valtostr (
|
|
run, right, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &len);
|
|
if (str == SSE_NULL) return SSE_NULL;
|
|
|
|
rex_code = sse_awk_buildrex (run->awk, str, len, &errnum);
|
|
if (rex_code == SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, str);
|
|
PANIC (run, errnum);
|
|
}
|
|
|
|
SSE_AWK_FREE (run->awk, str);
|
|
}
|
|
|
|
if (left->type == SSE_AWK_VAL_STR)
|
|
{
|
|
n = sse_awk_matchrex (
|
|
run->awk, rex_code,
|
|
((run->global.ignorecase)? SSE_AWK_REX_IGNORECASE: 0),
|
|
((sse_awk_val_str_t*)left)->buf,
|
|
((sse_awk_val_str_t*)left)->len,
|
|
SSE_NULL, SSE_NULL, &errnum);
|
|
if (n == -1)
|
|
{
|
|
if (right->type != SSE_AWK_VAL_REX)
|
|
SSE_AWK_FREE (run->awk, rex_code);
|
|
PANIC (run, errnum);
|
|
}
|
|
|
|
res = sse_awk_makeintval (run, (n == ret));
|
|
if (res == SSE_NULL)
|
|
{
|
|
if (right->type != SSE_AWK_VAL_REX)
|
|
SSE_AWK_FREE (run->awk, rex_code);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
str = sse_awk_valtostr (
|
|
run, left, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &len);
|
|
if (str == SSE_NULL)
|
|
{
|
|
if (right->type != SSE_AWK_VAL_REX)
|
|
SSE_AWK_FREE (run->awk, rex_code);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
n = sse_awk_matchrex (
|
|
run->awk, rex_code,
|
|
((run->global.ignorecase)? SSE_AWK_REX_IGNORECASE: 0),
|
|
str, len, SSE_NULL, SSE_NULL, &errnum);
|
|
if (n == -1)
|
|
{
|
|
SSE_AWK_FREE (run->awk, str);
|
|
if (right->type != SSE_AWK_VAL_REX)
|
|
SSE_AWK_FREE (run->awk, rex_code);
|
|
PANIC (run, errnum);
|
|
}
|
|
|
|
res = sse_awk_makeintval (run, (n == ret));
|
|
if (res == SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, str);
|
|
if (right->type != SSE_AWK_VAL_REX)
|
|
SSE_AWK_FREE (run->awk, rex_code);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
SSE_AWK_FREE (run->awk, str);
|
|
}
|
|
|
|
if (right->type != SSE_AWK_VAL_REX) SSE_AWK_FREE (run->awk, rex_code);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_unary (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* left, * res = SSE_NULL;
|
|
sse_awk_nde_exp_t* exp = (sse_awk_nde_exp_t*)nde;
|
|
|
|
sse_awk_assert (run->awk, exp->type == SSE_AWK_NDE_EXP_UNR);
|
|
sse_awk_assert (run->awk, exp->left != SSE_NULL && exp->right == SSE_NULL);
|
|
|
|
sse_awk_assert (run->awk, exp->left->next == SSE_NULL);
|
|
left = __eval_expression (run, exp->left);
|
|
if (left == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (left);
|
|
|
|
if (exp->opcode == SSE_AWK_UNROP_PLUS)
|
|
{
|
|
if (left->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r = ((sse_awk_val_int_t*)left)->val;
|
|
res = sse_awk_makeintval (run, r);
|
|
}
|
|
else if (left->type == SSE_AWK_VAL_REAL)
|
|
{
|
|
sse_real_t r = ((sse_awk_val_real_t*)left)->val;
|
|
res = sse_awk_makerealval (run, r);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
}
|
|
else if (exp->opcode == SSE_AWK_UNROP_MINUS)
|
|
{
|
|
if (left->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r = ((sse_awk_val_int_t*)left)->val;
|
|
res = sse_awk_makeintval (run, -r);
|
|
}
|
|
else if (left->type == SSE_AWK_VAL_REAL)
|
|
{
|
|
sse_real_t r = ((sse_awk_val_real_t*)left)->val;
|
|
res = sse_awk_makerealval (run, -r);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
}
|
|
else if (exp->opcode == SSE_AWK_UNROP_NOT)
|
|
{
|
|
if (left->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r = ((sse_awk_val_int_t*)left)->val;
|
|
res = sse_awk_makeintval (run, !r);
|
|
}
|
|
else if (left->type == SSE_AWK_VAL_REAL)
|
|
{
|
|
sse_real_t r = ((sse_awk_val_real_t*)left)->val;
|
|
res = sse_awk_makerealval (run, !r);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
}
|
|
else if (exp->opcode == SSE_AWK_UNROP_BNOT)
|
|
{
|
|
if (left->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r = ((sse_awk_val_int_t*)left)->val;
|
|
res = sse_awk_makeintval (run, ~r);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
}
|
|
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
sse_awk_refdownval (run, left);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_incpre (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* left, * res;
|
|
sse_awk_nde_exp_t* exp = (sse_awk_nde_exp_t*)nde;
|
|
|
|
sse_awk_assert (run->awk, exp->type == SSE_AWK_NDE_EXP_INCPRE);
|
|
sse_awk_assert (run->awk, exp->left != SSE_NULL && exp->right == SSE_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 < SSE_AWK_NDE_NAMED ||
|
|
exp->left->type > SSE_AWK_NDE_ARGIDX)
|
|
{
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
|
|
sse_awk_assert (run->awk, exp->left->next == SSE_NULL);
|
|
left = __eval_expression (run, exp->left);
|
|
if (left == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (left);
|
|
|
|
if (exp->opcode == SSE_AWK_INCOP_PLUS)
|
|
{
|
|
if (left->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r = ((sse_awk_val_int_t*)left)->val;
|
|
res = sse_awk_makeintval (run, r + 1);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else if (left->type == SSE_AWK_VAL_REAL)
|
|
{
|
|
sse_real_t r = ((sse_awk_val_real_t*)left)->val;
|
|
res = sse_awk_makerealval (run, r + 1.0);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_long_t v1;
|
|
sse_real_t v2;
|
|
int n;
|
|
|
|
n = sse_awk_valtonum (run, left, &v1, &v2);
|
|
if (n == -1)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
res = sse_awk_makeintval (run, v1 + 1);
|
|
}
|
|
else /* if (n == 1) */
|
|
{
|
|
sse_awk_assert (run->awk, n == 1);
|
|
res = sse_awk_makerealval (run, v2 + 1.0);
|
|
}
|
|
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
}
|
|
else if (exp->opcode == SSE_AWK_INCOP_MINUS)
|
|
{
|
|
if (left->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r = ((sse_awk_val_int_t*)left)->val;
|
|
res = sse_awk_makeintval (run, r - 1);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else if (left->type == SSE_AWK_VAL_REAL)
|
|
{
|
|
sse_real_t r = ((sse_awk_val_real_t*)left)->val;
|
|
res = sse_awk_makerealval (run, r - 1.0);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_long_t v1;
|
|
sse_real_t v2;
|
|
int n;
|
|
|
|
n = sse_awk_valtonum (run, left, &v1, &v2);
|
|
if (n == -1)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
res = sse_awk_makeintval (run, v1 - 1);
|
|
}
|
|
else /* if (n == 1) */
|
|
{
|
|
sse_awk_assert (run->awk, n == 1);
|
|
res = sse_awk_makerealval (run, v2 - 1.0);
|
|
}
|
|
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, !"should never happen - invalid opcode");
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EINTERNAL);
|
|
}
|
|
|
|
if (__do_assignment (run, exp->left, res) == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refdownval (run, left);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_incpst (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* left, * res, * res2;
|
|
sse_awk_nde_exp_t* exp = (sse_awk_nde_exp_t*)nde;
|
|
|
|
sse_awk_assert (run->awk, exp->type == SSE_AWK_NDE_EXP_INCPST);
|
|
sse_awk_assert (run->awk, exp->left != SSE_NULL && exp->right == SSE_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 < SSE_AWK_NDE_NAMED ||
|
|
exp->left->type > SSE_AWK_NDE_ARGIDX)
|
|
{
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
|
|
sse_awk_assert (run->awk, exp->left->next == SSE_NULL);
|
|
left = __eval_expression (run, exp->left);
|
|
if (left == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (left);
|
|
|
|
if (exp->opcode == SSE_AWK_INCOP_PLUS)
|
|
{
|
|
if (left->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r = ((sse_awk_val_int_t*)left)->val;
|
|
res = sse_awk_makeintval (run, r);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
res2 = sse_awk_makeintval (run, r + 1);
|
|
if (res2 == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
sse_awk_freeval (run, res, sse_true);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else if (left->type == SSE_AWK_VAL_REAL)
|
|
{
|
|
sse_real_t r = ((sse_awk_val_real_t*)left)->val;
|
|
res = sse_awk_makerealval (run, r);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
res2 = sse_awk_makerealval (run, r + 1.0);
|
|
if (res2 == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
sse_awk_freeval (run, res, sse_true);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_long_t v1;
|
|
sse_real_t v2;
|
|
int n;
|
|
|
|
n = sse_awk_valtonum (run, left, &v1, &v2);
|
|
if (n == -1)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
res = sse_awk_makeintval (run, v1);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
res2 = sse_awk_makeintval (run, v1 + 1);
|
|
if (res2 == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
sse_awk_freeval (run, res, sse_true);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else /* if (n == 1) */
|
|
{
|
|
sse_awk_assert (run->awk, n == 1);
|
|
res = sse_awk_makerealval (run, v2);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
res2 = sse_awk_makerealval (run, v2 + 1.0);
|
|
if (res2 == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
sse_awk_freeval (run, res, sse_true);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (exp->opcode == SSE_AWK_INCOP_MINUS)
|
|
{
|
|
if (left->type == SSE_AWK_VAL_INT)
|
|
{
|
|
sse_long_t r = ((sse_awk_val_int_t*)left)->val;
|
|
res = sse_awk_makeintval (run, r);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
res2 = sse_awk_makeintval (run, r - 1);
|
|
if (res2 == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
sse_awk_freeval (run, res, sse_true);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else if (left->type == SSE_AWK_VAL_REAL)
|
|
{
|
|
sse_real_t r = ((sse_awk_val_real_t*)left)->val;
|
|
res = sse_awk_makerealval (run, r);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
res2 = sse_awk_makerealval (run, r - 1.0);
|
|
if (res2 == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
sse_awk_freeval (run, res, sse_true);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_long_t v1;
|
|
sse_real_t v2;
|
|
int n;
|
|
|
|
n = sse_awk_valtonum (run, left, &v1, &v2);
|
|
if (n == -1)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EOPERAND);
|
|
}
|
|
|
|
if (n == 0)
|
|
{
|
|
res = sse_awk_makeintval (run, v1);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
res2 = sse_awk_makeintval (run, v1 - 1);
|
|
if (res2 == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
sse_awk_freeval (run, res, sse_true);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
else /* if (n == 1) */
|
|
{
|
|
sse_awk_assert (run->awk, n == 1);
|
|
res = sse_awk_makerealval (run, v2);
|
|
if (res == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
res2 = sse_awk_makerealval (run, v2 - 1.0);
|
|
if (res2 == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
sse_awk_freeval (run, res, sse_true);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_awk_assert (run->awk, !"should never happen - invalid opcode");
|
|
sse_awk_refdownval (run, left);
|
|
PANIC (run, SSE_AWK_EINTERNAL);
|
|
}
|
|
|
|
if (__do_assignment (run, exp->left, res2) == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, left);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refdownval (run, left);
|
|
return res;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_cnd (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* tv, * v;
|
|
sse_awk_nde_cnd_t* cnd = (sse_awk_nde_cnd_t*)nde;
|
|
|
|
sse_awk_assert (run->awk, cnd->test->next == SSE_NULL);
|
|
tv = __eval_expression (run, cnd->test);
|
|
if (tv == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (tv);
|
|
|
|
sse_awk_assert (run->awk, cnd->left->next == SSE_NULL &&
|
|
cnd->right->next == SSE_NULL);
|
|
v = (sse_awk_valtobool (run, tv))?
|
|
__eval_expression (run, cnd->left):
|
|
__eval_expression (run, cnd->right);
|
|
|
|
sse_awk_refdownval (run, tv);
|
|
return v;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_bfn (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_nde_call_t* call = (sse_awk_nde_call_t*)nde;
|
|
|
|
/* built-in function */
|
|
if (call->nargs < call->what.bfn.min_args)
|
|
{
|
|
PANIC (run, SSE_AWK_ETOOFEWARGS);
|
|
}
|
|
|
|
if (call->nargs > call->what.bfn.max_args)
|
|
{
|
|
PANIC (run, SSE_AWK_ETOOMANYARGS);
|
|
}
|
|
|
|
return __eval_call (run, nde, call->what.bfn.arg_spec, SSE_NULL);
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_afn (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_nde_call_t* call = (sse_awk_nde_call_t*)nde;
|
|
sse_awk_afn_t* afn;
|
|
sse_awk_pair_t* pair;
|
|
|
|
pair = sse_awk_map_get (&run->awk->tree.afns,
|
|
call->what.afn.name, call->what.afn.name_len);
|
|
if (pair == SSE_NULL) PANIC (run, SSE_AWK_ENOSUCHFUNC);
|
|
|
|
afn = (sse_awk_afn_t*)pair->val;
|
|
sse_awk_assert (run->awk, afn != SSE_NULL);
|
|
|
|
if (call->nargs > afn->nargs)
|
|
{
|
|
/* TODO: is this correct? what if i want to allow arbitarary numbers of arguments? */
|
|
PANIC (run, SSE_AWK_ETOOMANYARGS);
|
|
}
|
|
|
|
return __eval_call (run, nde, SSE_NULL, afn);
|
|
}
|
|
|
|
|
|
/* run->stack_base has not been set for this
|
|
* stack frame. so STACK_ARG cannot be used */
|
|
/*sse_awk_refdownval (run, STACK_ARG(run,nargs));*/
|
|
#define UNWIND_RUN_STACK(run,nargs) \
|
|
do { \
|
|
while ((nargs) > 0) \
|
|
{ \
|
|
--(nargs); \
|
|
sse_awk_refdownval ((run), \
|
|
(run)->stack[(run)->stack_top-1]); \
|
|
__raw_pop (run); \
|
|
} \
|
|
__raw_pop (run); \
|
|
__raw_pop (run); \
|
|
__raw_pop (run); \
|
|
} while (0)
|
|
|
|
static sse_awk_val_t* __eval_call (
|
|
sse_awk_run_t* run, sse_awk_nde_t* nde,
|
|
const sse_char_t* bfn_arg_spec, sse_awk_afn_t* afn)
|
|
{
|
|
sse_awk_nde_call_t* call = (sse_awk_nde_call_t*)nde;
|
|
sse_size_t saved_stack_top;
|
|
sse_size_t nargs, i;
|
|
sse_awk_nde_t* p;
|
|
sse_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
|
|
* ---------------------
|
|
*/
|
|
|
|
sse_awk_assert (run->awk, sse_sizeof(void*) >= sse_sizeof(run->stack_top));
|
|
sse_awk_assert (run->awk, sse_sizeof(void*) >= sse_sizeof(run->stack_base));
|
|
|
|
saved_stack_top = run->stack_top;
|
|
|
|
/*xp_printf (SSE_T("setting up function stack frame stack_top = %ld stack_base = %ld\n"), run->stack_top, run->stack_base); */
|
|
if (__raw_push(run,(void*)run->stack_base) == -1)
|
|
{
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
if (__raw_push(run,(void*)saved_stack_top) == -1)
|
|
{
|
|
__raw_pop (run);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
/* secure space for a return value. */
|
|
if (__raw_push(run,sse_awk_val_nil) == -1)
|
|
{
|
|
__raw_pop (run);
|
|
__raw_pop (run);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
/* secure space for nargs */
|
|
if (__raw_push(run,sse_awk_val_nil) == -1)
|
|
{
|
|
__raw_pop (run);
|
|
__raw_pop (run);
|
|
__raw_pop (run);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
nargs = 0;
|
|
p = call->args;
|
|
while (p != SSE_NULL)
|
|
{
|
|
sse_awk_assert (run->awk, bfn_arg_spec == SSE_NULL ||
|
|
(bfn_arg_spec != SSE_NULL &&
|
|
sse_awk_strlen(bfn_arg_spec) > nargs));
|
|
|
|
if (bfn_arg_spec != SSE_NULL &&
|
|
bfn_arg_spec[nargs] == SSE_T('r'))
|
|
{
|
|
sse_awk_val_t** ref;
|
|
|
|
if (__get_reference (run, p, &ref) == -1)
|
|
{
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
/* p->type-SSE_AWK_NDE_NAMED assumes that the
|
|
* derived value matches SSE_AWK_VAL_REF_XXX */
|
|
v = sse_awk_makerefval (
|
|
run, p->type-SSE_AWK_NDE_NAMED, ref);
|
|
}
|
|
else if (bfn_arg_spec != SSE_NULL &&
|
|
bfn_arg_spec[nargs] == SSE_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 == SSE_NULL)
|
|
{
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
#if 0
|
|
if (bfn_arg_spec != SSE_NULL &&
|
|
bfn_arg_spec[nargs] == SSE_T('r'))
|
|
{
|
|
sse_awk_val_t** ref;
|
|
sse_awk_val_t* tmp;
|
|
|
|
ref = __get_reference (run, p);
|
|
if (ref == SSE_NULL)
|
|
{
|
|
sse_awk_refupval (v);
|
|
sse_awk_refdownval (run, v);
|
|
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
/* p->type-SSE_AWK_NDE_NAMED assumes that the
|
|
* derived value matches SSE_AWK_VAL_REF_XXX */
|
|
tmp = sse_awk_makerefval (
|
|
run, p->type-SSE_AWK_NDE_NAMED, ref);
|
|
if (tmp == SSE_NULL)
|
|
{
|
|
sse_awk_refupval (v);
|
|
sse_awk_refdownval (run, v);
|
|
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
sse_awk_refupval (v);
|
|
sse_awk_refdownval (run, v);
|
|
|
|
v = tmp;
|
|
}
|
|
#endif
|
|
|
|
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 */
|
|
sse_awk_refupval (v);
|
|
sse_awk_refdownval (run, v);
|
|
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
sse_awk_refupval (v);
|
|
nargs++;
|
|
p = p->next;
|
|
}
|
|
|
|
sse_awk_assert (run->awk, nargs == call->nargs);
|
|
|
|
if (afn != SSE_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,sse_awk_val_nil) == -1)
|
|
{
|
|
UNWIND_RUN_STACK (run, nargs);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
nargs++;
|
|
}
|
|
}
|
|
|
|
run->stack_base = saved_stack_top;
|
|
STACK_NARGS(run) = (void*)nargs;
|
|
|
|
/*xp_printf (SSE_T("running function body\n")); */
|
|
|
|
if (afn != SSE_NULL)
|
|
{
|
|
/* normal awk function */
|
|
sse_awk_assert (run->awk, afn->body->type == SSE_AWK_NDE_BLK);
|
|
n = __run_block(run,(sse_awk_nde_blk_t*)afn->body);
|
|
}
|
|
else
|
|
{
|
|
n = 0;
|
|
|
|
/* built-in function */
|
|
sse_awk_assert (run->awk, call->nargs >= call->what.bfn.min_args &&
|
|
call->nargs <= call->what.bfn.max_args);
|
|
|
|
if (call->what.bfn.handler != SSE_NULL)
|
|
n = call->what.bfn.handler (run);
|
|
}
|
|
|
|
/*xp_printf (SSE_T("block run complete\n")); */
|
|
|
|
/* refdown args in the run.stack */
|
|
nargs = (sse_size_t)STACK_NARGS(run);
|
|
/*xp_printf (SSE_T("block run complete nargs = %d\n"), (int)nargs); */
|
|
for (i = 0; i < nargs; i++)
|
|
{
|
|
sse_awk_refdownval (run, STACK_ARG(run,i));
|
|
}
|
|
/*xp_printf (SSE_T("got return value\n")); */
|
|
|
|
/* 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
|
|
* is decremented to zero because its reference has been incremented
|
|
* in __run_return regardless of its reference count. */
|
|
v = STACK_RETVAL(run);
|
|
sse_awk_refdownval_nofree (run, v);
|
|
|
|
run->stack_top = (sse_size_t)run->stack[run->stack_base+1];
|
|
run->stack_base = (sse_size_t)run->stack[run->stack_base+0];
|
|
|
|
if (run->exit_level == EXIT_FUNCTION) run->exit_level = EXIT_NONE;
|
|
|
|
/*xp_printf (SSE_T("returning from function stack_top=%ld, stack_base=%ld\n"), run->stack_top, run->stack_base); */
|
|
return (n == -1)? SSE_NULL: v;
|
|
}
|
|
|
|
static int __get_reference (
|
|
sse_awk_run_t* run, sse_awk_nde_t* nde, sse_awk_val_t*** ref)
|
|
{
|
|
sse_awk_nde_var_t* tgt = (sse_awk_nde_var_t*)nde;
|
|
sse_awk_val_t** tmp;
|
|
|
|
/* refer to __eval_indexed for application of a similar concept */
|
|
|
|
if (nde->type == SSE_AWK_NDE_NAMED)
|
|
{
|
|
sse_awk_pair_t* pair;
|
|
|
|
pair = sse_awk_map_get (
|
|
&run->named, tgt->id.name, tgt->id.name_len);
|
|
if (pair == SSE_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 = sse_awk_map_put (
|
|
&run->named, tgt->id.name,
|
|
tgt->id.name_len, sse_awk_val_nil);
|
|
if (pair == SSE_NULL) PANIC_I (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
*ref = (sse_awk_val_t**)&pair->val;
|
|
return 0;
|
|
}
|
|
|
|
if (nde->type == SSE_AWK_NDE_GLOBAL)
|
|
{
|
|
*ref = (sse_awk_val_t**)&STACK_GLOBAL(run,tgt->id.idxa);
|
|
return 0;
|
|
}
|
|
|
|
if (nde->type == SSE_AWK_NDE_LOCAL)
|
|
{
|
|
*ref = (sse_awk_val_t**)&STACK_LOCAL(run,tgt->id.idxa);
|
|
return 0;
|
|
}
|
|
|
|
if (nde->type == SSE_AWK_NDE_ARG)
|
|
{
|
|
*ref = (sse_awk_val_t**)&STACK_ARG(run,tgt->id.idxa);
|
|
return 0;
|
|
}
|
|
|
|
if (nde->type == SSE_AWK_NDE_NAMEDIDX)
|
|
{
|
|
sse_awk_pair_t* pair;
|
|
|
|
pair = sse_awk_map_get (
|
|
&run->named, tgt->id.name, tgt->id.name_len);
|
|
if (pair == SSE_NULL)
|
|
{
|
|
pair = sse_awk_map_put (
|
|
&run->named, tgt->id.name,
|
|
tgt->id.name_len, sse_awk_val_nil);
|
|
if (pair == SSE_NULL) PANIC_I (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
tmp = __get_reference_indexed (
|
|
run, tgt, (sse_awk_val_t**)&pair->val);
|
|
if (tmp == SSE_NULL) return -1;
|
|
*ref = tmp;
|
|
}
|
|
|
|
if (nde->type == SSE_AWK_NDE_GLOBALIDX)
|
|
{
|
|
tmp = __get_reference_indexed (run, tgt,
|
|
(sse_awk_val_t**)&STACK_GLOBAL(run,tgt->id.idxa));
|
|
if (tmp == SSE_NULL) return -1;
|
|
*ref = tmp;
|
|
}
|
|
|
|
if (nde->type == SSE_AWK_NDE_LOCALIDX)
|
|
{
|
|
tmp = __get_reference_indexed (run, tgt,
|
|
(sse_awk_val_t**)&STACK_LOCAL(run,tgt->id.idxa));
|
|
if (tmp == SSE_NULL) return -1;
|
|
*ref = tmp;
|
|
}
|
|
|
|
if (nde->type == SSE_AWK_NDE_ARGIDX)
|
|
{
|
|
tmp = __get_reference_indexed (run, tgt,
|
|
(sse_awk_val_t**)&STACK_ARG(run,tgt->id.idxa));
|
|
if (tmp == SSE_NULL) return -1;
|
|
*ref = tmp;
|
|
}
|
|
|
|
if (nde->type == SSE_AWK_NDE_POS)
|
|
{
|
|
int n;
|
|
sse_long_t lv;
|
|
sse_real_t rv;
|
|
sse_awk_val_t* v;
|
|
|
|
/* the position number is returned for the positional
|
|
* variable unlike other reference types. */
|
|
v = __eval_expression (run, ((sse_awk_nde_pos_t*)nde)->val);
|
|
if (v == SSE_NULL) return -1;
|
|
|
|
sse_awk_refupval (v);
|
|
n = sse_awk_valtonum (run, v, &lv, &rv);
|
|
sse_awk_refdownval (run, v);
|
|
|
|
if (n == -1) PANIC_I (run, SSE_AWK_EPOSIDX);
|
|
if (n == 1) lv = (sse_long_t)rv;
|
|
if (!IS_VALID_POSIDX(lv)) PANIC_I (run, SSE_AWK_EPOSIDX);
|
|
|
|
*ref = (sse_awk_val_t**)((sse_size_t)lv);
|
|
return 0;
|
|
}
|
|
|
|
PANIC_I (run, SSE_AWK_ENOTREFERENCEABLE);
|
|
}
|
|
|
|
static sse_awk_val_t** __get_reference_indexed (
|
|
sse_awk_run_t* run, sse_awk_nde_var_t* nde, sse_awk_val_t** val)
|
|
{
|
|
sse_awk_pair_t* pair;
|
|
sse_char_t* str;
|
|
sse_size_t len;
|
|
|
|
sse_awk_assert (run->awk, val != SSE_NULL);
|
|
|
|
if ((*val)->type == SSE_AWK_VAL_NIL)
|
|
{
|
|
sse_awk_val_t* tmp;
|
|
|
|
tmp = sse_awk_makemapval (run);
|
|
if (tmp == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
sse_awk_refdownval (run, *val);
|
|
*val = tmp;
|
|
sse_awk_refupval ((sse_awk_val_t*)*val);
|
|
}
|
|
else if ((*val)->type != SSE_AWK_VAL_MAP)
|
|
{
|
|
PANIC (run, SSE_AWK_ENOTINDEXABLE);
|
|
}
|
|
|
|
sse_awk_assert (run->awk, nde->idx != SSE_NULL);
|
|
|
|
str = __idxnde_to_str (run, nde->idx, &len);
|
|
if (str == SSE_NULL) return SSE_NULL;
|
|
|
|
pair = sse_awk_map_get ((*(sse_awk_val_map_t**)val)->map, str, len);
|
|
if (pair == SSE_NULL)
|
|
{
|
|
pair = sse_awk_map_put (
|
|
(*(sse_awk_val_map_t**)val)->map,
|
|
str, len, sse_awk_val_nil);
|
|
if (pair == SSE_NULL)
|
|
{
|
|
SSE_AWK_FREE (run->awk, str);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
sse_awk_refupval (pair->val);
|
|
}
|
|
|
|
SSE_AWK_FREE (run->awk, str);
|
|
return (sse_awk_val_t**)&pair->val;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_int (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* val;
|
|
|
|
val = sse_awk_makeintval (run, ((sse_awk_nde_int_t*)nde)->val);
|
|
if (val == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
((sse_awk_val_int_t*)val)->nde = (sse_awk_nde_int_t*)nde;
|
|
|
|
return val;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_real (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* val;
|
|
|
|
val = sse_awk_makerealval (run, ((sse_awk_nde_real_t*)nde)->val);
|
|
if (val == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
((sse_awk_val_real_t*)val)->nde = (sse_awk_nde_real_t*)nde;
|
|
|
|
return val;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_str (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* val;
|
|
|
|
val = sse_awk_makestrval (run,
|
|
((sse_awk_nde_str_t*)nde)->buf,
|
|
((sse_awk_nde_str_t*)nde)->len);
|
|
if (val == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
return val;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_rex (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_val_t* val;
|
|
|
|
val = sse_awk_makerexval (run,
|
|
((sse_awk_nde_rex_t*)nde)->buf,
|
|
((sse_awk_nde_rex_t*)nde)->len,
|
|
((sse_awk_nde_rex_t*)nde)->code);
|
|
if (val == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
return val;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_named (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_pair_t* pair;
|
|
|
|
pair = sse_awk_map_get (&run->named,
|
|
((sse_awk_nde_var_t*)nde)->id.name,
|
|
((sse_awk_nde_var_t*)nde)->id.name_len);
|
|
|
|
return (pair == SSE_NULL)? sse_awk_val_nil: pair->val;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_global (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
return STACK_GLOBAL(run,((sse_awk_nde_var_t*)nde)->id.idxa);
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_local (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
return STACK_LOCAL(run,((sse_awk_nde_var_t*)nde)->id.idxa);
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_arg (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
return STACK_ARG(run,((sse_awk_nde_var_t*)nde)->id.idxa);
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_indexed (
|
|
sse_awk_run_t* run, sse_awk_nde_var_t* nde, sse_awk_val_t** val)
|
|
{
|
|
sse_awk_pair_t* pair;
|
|
sse_char_t* str;
|
|
sse_size_t len;
|
|
|
|
sse_awk_assert (run->awk, val != SSE_NULL);
|
|
|
|
if ((*val)->type == SSE_AWK_VAL_NIL)
|
|
{
|
|
sse_awk_val_t* tmp;
|
|
|
|
tmp = sse_awk_makemapval (run);
|
|
if (tmp == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
sse_awk_refdownval (run, *val);
|
|
*val = tmp;
|
|
sse_awk_refupval ((sse_awk_val_t*)*val);
|
|
}
|
|
else if ((*val)->type != SSE_AWK_VAL_MAP)
|
|
{
|
|
PANIC (run, SSE_AWK_ENOTINDEXABLE);
|
|
}
|
|
|
|
sse_awk_assert (run->awk, nde->idx != SSE_NULL);
|
|
|
|
str = __idxnde_to_str (run, nde->idx, &len);
|
|
if (str == SSE_NULL) return SSE_NULL;
|
|
|
|
pair = sse_awk_map_get ((*(sse_awk_val_map_t**)val)->map, str, len);
|
|
SSE_AWK_FREE (run->awk, str);
|
|
|
|
return (pair == SSE_NULL)? sse_awk_val_nil: (sse_awk_val_t*)pair->val;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_namedidx (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_nde_var_t* tgt = (sse_awk_nde_var_t*)nde;
|
|
sse_awk_pair_t* pair;
|
|
|
|
pair = sse_awk_map_get (&run->named, tgt->id.name, tgt->id.name_len);
|
|
if (pair == SSE_NULL)
|
|
{
|
|
pair = sse_awk_map_put (&run->named,
|
|
tgt->id.name, tgt->id.name_len, sse_awk_val_nil);
|
|
if (pair == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
sse_awk_refupval (pair->val);
|
|
}
|
|
|
|
return __eval_indexed (run, tgt, (sse_awk_val_t**)&pair->val);
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_globalidx (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
return __eval_indexed (run, (sse_awk_nde_var_t*)nde,
|
|
(sse_awk_val_t**)&STACK_GLOBAL(run,((sse_awk_nde_var_t*)nde)->id.idxa));
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_localidx (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
return __eval_indexed (run, (sse_awk_nde_var_t*)nde,
|
|
(sse_awk_val_t**)&STACK_LOCAL(run,((sse_awk_nde_var_t*)nde)->id.idxa));
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_argidx (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
return __eval_indexed (run, (sse_awk_nde_var_t*)nde,
|
|
(sse_awk_val_t**)&STACK_ARG(run,((sse_awk_nde_var_t*)nde)->id.idxa));
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_pos (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_nde_pos_t* pos = (sse_awk_nde_pos_t*)nde;
|
|
sse_awk_val_t* v;
|
|
sse_long_t lv;
|
|
sse_real_t rv;
|
|
int n;
|
|
|
|
v = __eval_expression (run, pos->val);
|
|
if (v == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (v);
|
|
n = sse_awk_valtonum (run, v, &lv, &rv);
|
|
sse_awk_refdownval (run, v);
|
|
|
|
if (n == -1) PANIC (run, SSE_AWK_EPOSIDX);
|
|
if (n == 1) lv = (sse_long_t)rv;
|
|
|
|
if (lv < 0) PANIC (run, SSE_AWK_EPOSIDX);
|
|
if (lv == 0) v = run->inrec.d0;
|
|
else if (lv > 0 && lv <= run->inrec.nflds)
|
|
v = run->inrec.flds[lv-1].val;
|
|
else v = sse_awk_val_zls; /*sse_awk_val_nil;*/
|
|
|
|
return v;
|
|
}
|
|
|
|
static sse_awk_val_t* __eval_getline (sse_awk_run_t* run, sse_awk_nde_t* nde)
|
|
{
|
|
sse_awk_nde_getline_t* p;
|
|
sse_awk_val_t* v, * res;
|
|
sse_char_t* in = SSE_NULL;
|
|
const sse_char_t* dst;
|
|
sse_awk_str_t buf;
|
|
int n;
|
|
|
|
p = (sse_awk_nde_getline_t*)nde;
|
|
|
|
sse_awk_assert (run->awk, (p->in_type == SSE_AWK_IN_PIPE && p->in != SSE_NULL) ||
|
|
(p->in_type == SSE_AWK_IN_COPROC && p->in != SSE_NULL) ||
|
|
(p->in_type == SSE_AWK_IN_FILE && p->in != SSE_NULL) ||
|
|
(p->in_type == SSE_AWK_IN_CONSOLE && p->in == SSE_NULL));
|
|
|
|
if (p->in != SSE_NULL)
|
|
{
|
|
sse_size_t len;
|
|
|
|
v = __eval_expression (run, p->in);
|
|
if (v == SSE_NULL) return SSE_NULL;
|
|
|
|
/* TODO: distinction between v->type == SSE_AWK_VAL_STR
|
|
* and v->type != SSE_AWK_VAL_STR
|
|
* if you use the buffer the v directly when
|
|
* v->type == SSE_AWK_VAL_STR, sse_awk_refdownval(v)
|
|
* should not be called immediately below */
|
|
sse_awk_refupval (v);
|
|
in = sse_awk_valtostr (
|
|
run, v, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &len);
|
|
if (in == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, v);
|
|
return SSE_NULL;
|
|
}
|
|
sse_awk_refdownval (run, v);
|
|
|
|
if (len <= 0)
|
|
{
|
|
/* the input source name is empty.
|
|
* make getline return -1 */
|
|
SSE_AWK_FREE (run->awk, in);
|
|
n = -1;
|
|
goto skip_read;
|
|
}
|
|
|
|
while (len > 0)
|
|
{
|
|
if (in[--len] == SSE_T('\0'))
|
|
{
|
|
/* the input source name contains a null
|
|
* character. make getline return -1 */
|
|
/* TODO: set ERRNO */
|
|
SSE_AWK_FREE (run->awk, in);
|
|
n = -1;
|
|
goto skip_read;
|
|
}
|
|
}
|
|
}
|
|
|
|
dst = (in == SSE_NULL)? SSE_T(""): in;
|
|
|
|
/* TODO: optimize the line buffer management */
|
|
if (sse_awk_str_open (&buf, DEF_BUF_CAPA, run->awk) == SSE_NULL)
|
|
{
|
|
if (in != SSE_NULL) SSE_AWK_FREE (run->awk, in);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
n = sse_awk_readextio (run, p->in_type, dst, &buf);
|
|
if (in != SSE_NULL) SSE_AWK_FREE (run->awk, in);
|
|
|
|
if (n < 0)
|
|
{
|
|
if (run->errnum != SSE_AWK_EIOHANDLER)
|
|
{
|
|
sse_awk_str_close (&buf);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
/* if run->errnum == SSE_AWK_EIOHANDLER,
|
|
* make getline return -1 */
|
|
n = -1;
|
|
}
|
|
|
|
if (n > 0)
|
|
{
|
|
if (p->var == SSE_NULL)
|
|
{
|
|
/* set $0 with the input value */
|
|
if (sse_awk_setrec (run, 0,
|
|
SSE_AWK_STR_BUF(&buf),
|
|
SSE_AWK_STR_LEN(&buf)) == -1)
|
|
{
|
|
sse_awk_str_close (&buf);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_str_close (&buf);
|
|
}
|
|
else
|
|
{
|
|
sse_awk_val_t* v;
|
|
|
|
v = sse_awk_makestrval (
|
|
run, SSE_AWK_STR_BUF(&buf), SSE_AWK_STR_LEN(&buf));
|
|
sse_awk_str_close (&buf);
|
|
if (v == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
sse_awk_refupval (v);
|
|
if (__do_assignment(run, p->var, v) == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, v);
|
|
return SSE_NULL;
|
|
}
|
|
sse_awk_refdownval (run, v);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sse_awk_str_close (&buf);
|
|
}
|
|
|
|
skip_read:
|
|
res = sse_awk_makeintval (run, n);
|
|
if (res == SSE_NULL) PANIC (run, SSE_AWK_ENOMEM);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int __raw_push (sse_awk_run_t* run, void* val)
|
|
{
|
|
if (run->stack_top >= run->stack_limit)
|
|
{
|
|
void** tmp;
|
|
sse_size_t n;
|
|
|
|
n = run->stack_limit + STACK_INCREMENT;
|
|
|
|
if (run->awk->syscas.realloc != SSE_NULL)
|
|
{
|
|
tmp = (void**) SSE_AWK_REALLOC (
|
|
run->awk, run->stack, n * sse_sizeof(void*));
|
|
if (tmp == SSE_NULL) return -1;
|
|
}
|
|
else
|
|
{
|
|
tmp = (void**) SSE_AWK_MALLOC (
|
|
run->awk, n * sse_sizeof(void*));
|
|
if (tmp == SSE_NULL) return -1;
|
|
if (run->stack != SSE_NULL)
|
|
{
|
|
SSE_AWK_MEMCPY (run->awk, tmp, run->stack,
|
|
run->stack_limit * sse_sizeof(void*));
|
|
SSE_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 (sse_awk_run_t* run, sse_size_t times)
|
|
{
|
|
while (times > 0)
|
|
{
|
|
--times;
|
|
__raw_pop (run);
|
|
}
|
|
}
|
|
|
|
static int __read_record (sse_awk_run_t* run)
|
|
{
|
|
sse_ssize_t n;
|
|
|
|
if (sse_awk_clrrec (run, sse_false) == -1) return -1;
|
|
|
|
n = sse_awk_readextio (
|
|
run, SSE_AWK_IN_CONSOLE, SSE_T(""), &run->inrec.line);
|
|
if (n < 0)
|
|
{
|
|
int errnum = run->errnum;
|
|
sse_awk_clrrec (run, sse_false);
|
|
run->errnum =
|
|
(errnum == SSE_AWK_EIOHANDLER)?
|
|
SSE_AWK_ECONINDATA: errnum;
|
|
return -1;
|
|
}
|
|
/*
|
|
xp_printf (SSE_T("len = %d str=[%s]\n"),
|
|
(int)SSE_AWK_STR_LEN(&run->inrec.line),
|
|
SSE_AWK_STR_BUF(&run->inrec.line));
|
|
*/
|
|
if (n == 0)
|
|
{
|
|
sse_awk_assert (run->awk, SSE_AWK_STR_LEN(&run->inrec.line) == 0);
|
|
return 0;
|
|
}
|
|
|
|
if (sse_awk_setrec (run, 0,
|
|
SSE_AWK_STR_BUF(&run->inrec.line),
|
|
SSE_AWK_STR_LEN(&run->inrec.line)) == -1) return -1;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int __shorten_record (sse_awk_run_t* run, sse_size_t nflds)
|
|
{
|
|
sse_awk_val_t* v;
|
|
sse_char_t* ofs_free = SSE_NULL, * ofs;
|
|
sse_size_t ofs_len, i;
|
|
sse_awk_str_t tmp;
|
|
|
|
sse_awk_assert (run->awk, nflds <= run->inrec.nflds);
|
|
|
|
if (nflds > 1)
|
|
{
|
|
v = STACK_GLOBAL(run, SSE_AWK_GLOBAL_OFS);
|
|
sse_awk_refupval (v);
|
|
|
|
if (v->type == SSE_AWK_VAL_NIL)
|
|
{
|
|
/* OFS not set */
|
|
ofs = SSE_T(" ");
|
|
ofs_len = 1;
|
|
}
|
|
else if (v->type == SSE_AWK_VAL_STR)
|
|
{
|
|
ofs = ((sse_awk_val_str_t*)v)->buf;
|
|
ofs_len = ((sse_awk_val_str_t*)v)->len;
|
|
}
|
|
else
|
|
{
|
|
ofs = sse_awk_valtostr (
|
|
run, v, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, &ofs_len);
|
|
if (ofs == SSE_NULL) return -1;
|
|
|
|
ofs_free = ofs;
|
|
}
|
|
}
|
|
|
|
if (sse_awk_str_open (&tmp,
|
|
SSE_AWK_STR_LEN(&run->inrec.line), run->awk) == SSE_NULL)
|
|
{
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < nflds; i++)
|
|
{
|
|
if (i > 0 && sse_awk_str_ncat (&tmp, ofs, ofs_len) == (sse_size_t)-1)
|
|
{
|
|
if (ofs_free != SSE_NULL)
|
|
SSE_AWK_FREE (run->awk, ofs_free);
|
|
if (nflds > 1) sse_awk_refdownval (run, v);
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
if (sse_awk_str_ncat (&tmp,
|
|
run->inrec.flds[i].ptr,
|
|
run->inrec.flds[i].len) == (sse_size_t)-1)
|
|
{
|
|
if (ofs_free != SSE_NULL)
|
|
SSE_AWK_FREE (run->awk, ofs_free);
|
|
if (nflds > 1) sse_awk_refdownval (run, v);
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (ofs_free != SSE_NULL) SSE_AWK_FREE (run->awk, ofs_free);
|
|
if (nflds > 1) sse_awk_refdownval (run, v);
|
|
|
|
v = (sse_awk_val_t*) sse_awk_makestrval (
|
|
run, SSE_AWK_STR_BUF(&tmp), SSE_AWK_STR_LEN(&tmp));
|
|
if (v == SSE_NULL)
|
|
{
|
|
run->errnum = SSE_AWK_ENOMEM;
|
|
return -1;
|
|
}
|
|
|
|
sse_awk_refdownval (run, run->inrec.d0);
|
|
run->inrec.d0 = v;
|
|
sse_awk_refupval (run->inrec.d0);
|
|
|
|
sse_awk_str_swap (&tmp, &run->inrec.line);
|
|
sse_awk_str_close (&tmp);
|
|
|
|
for (i = nflds; i < run->inrec.nflds; i++)
|
|
{
|
|
sse_awk_refdownval (run, run->inrec.flds[i].val);
|
|
}
|
|
|
|
run->inrec.nflds = nflds;
|
|
return 0;
|
|
}
|
|
|
|
static sse_char_t* __idxnde_to_str (
|
|
sse_awk_run_t* run, sse_awk_nde_t* nde, sse_size_t* len)
|
|
{
|
|
sse_char_t* str;
|
|
sse_awk_val_t* idx;
|
|
|
|
sse_awk_assert (run->awk, nde != SSE_NULL);
|
|
|
|
if (nde->next == SSE_NULL)
|
|
{
|
|
/* single node index */
|
|
idx = __eval_expression (run, nde);
|
|
if (idx == SSE_NULL) return SSE_NULL;
|
|
|
|
sse_awk_refupval (idx);
|
|
|
|
str = sse_awk_valtostr (
|
|
run, idx, SSE_AWK_VALTOSTR_CLEAR, SSE_NULL, len);
|
|
if (str == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, idx);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refdownval (run, idx);
|
|
}
|
|
else
|
|
{
|
|
/* multidimensional index */
|
|
sse_awk_str_t idxstr;
|
|
|
|
if (sse_awk_str_open (
|
|
&idxstr, DEF_BUF_CAPA, run->awk) == SSE_NULL)
|
|
{
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
while (nde != SSE_NULL)
|
|
{
|
|
idx = __eval_expression (run, nde);
|
|
if (idx == SSE_NULL)
|
|
{
|
|
sse_awk_str_close (&idxstr);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refupval (idx);
|
|
|
|
if (SSE_AWK_STR_LEN(&idxstr) > 0 &&
|
|
sse_awk_str_ncat (&idxstr,
|
|
run->global.subsep.ptr,
|
|
run->global.subsep.len) == (sse_size_t)-1)
|
|
{
|
|
sse_awk_refdownval (run, idx);
|
|
sse_awk_str_close (&idxstr);
|
|
PANIC (run, SSE_AWK_ENOMEM);
|
|
}
|
|
|
|
if (sse_awk_valtostr (
|
|
run, idx, 0, &idxstr, SSE_NULL) == SSE_NULL)
|
|
{
|
|
sse_awk_refdownval (run, idx);
|
|
sse_awk_str_close (&idxstr);
|
|
return SSE_NULL;
|
|
}
|
|
|
|
sse_awk_refdownval (run, idx);
|
|
nde = nde->next;
|
|
}
|
|
|
|
str = SSE_AWK_STR_BUF(&idxstr);
|
|
*len = SSE_AWK_STR_LEN(&idxstr);
|
|
sse_awk_str_forfeit (&idxstr);
|
|
}
|
|
|
|
return str;
|
|
}
|