185 lines
2.9 KiB
C
185 lines
2.9 KiB
C
/*
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* $Id: awk_i.h,v 1.14 2006-06-16 14:31:42 bacon Exp $
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*/
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#ifndef _XP_AWK_AWKI_H_
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#define _XP_AWK_AWKI_H_
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typedef struct xp_awk_chain_t xp_awk_chain_t;
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typedef struct xp_awk_run_t xp_awk_run_t;
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typedef struct xp_awk_tree_t xp_awk_tree_t;
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typedef struct xp_awk_cmd_t xp_awk_cmd_t;
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#include <xp/awk/awk.h>
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#include <xp/awk/tree.h>
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#include <xp/awk/tab.h>
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#include <xp/awk/map.h>
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#include <xp/awk/val.h>
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#include <xp/awk/run.h>
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#include <xp/awk/func.h>
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#ifdef XP_AWK_STAND_ALONE
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#include <xp/awk/sa.h>
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#else
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#include <xp/bas/str.h>
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#endif
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#if defined(_WIN32) && defined(XP_AWK_STAND_ALONE) && defined(_DEBUG)
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#define _CRTDBG_MAP_ALLOC
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#include <crtdbg.h>
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#endif
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/*
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*
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struct xp_awk_parse_t
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{
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int opt;
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};
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struct xp_awk_run_t
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{
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int opt;
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};
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awk = xp_awk_open ();
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xp_awk_parse (awk, source_input, source_output);
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thr = create_thread (5);
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thr[0]->xp_awk_run (awk, input_stream1, output_stream1);
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thr[1]->xp_awk_run (awk, input_stream2, output_stream2);
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thr[2]->xp_awk_run (awk, input_stream3, output_stream3);
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xp_awk_setcallback (void* __command_callback (int cmd, void* arg), void* arg);
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xp_awk_run (awk)
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{
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run_stack = malloc (run_stack_size);
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while ()
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{
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if (command_callback) if (command_callback (XP_AWK_ABORT) == yes) break;
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run with run_stack
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}
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}
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*/
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struct xp_awk_tree_t
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{
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xp_size_t nglobals;
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xp_awk_map_t funcs;
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xp_awk_nde_t* begin;
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xp_awk_nde_t* end;
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xp_awk_chain_t* chain;
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xp_awk_chain_t* chain_tail;
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};
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struct xp_awk_t
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{
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/* options */
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struct
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{
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int parse;
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int run;
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} opt;
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/* io functions */
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xp_awk_io_t srcio;
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void* srcio_arg;
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/* parse tree */
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xp_awk_tree_t tree;
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/* temporary information that the parser needs */
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struct
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{
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xp_awk_tab_t globals;
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xp_awk_tab_t locals;
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xp_awk_tab_t params;
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xp_size_t nlocals_max;
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} parse;
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/* source buffer management */
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struct
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{
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xp_cint_t curc;
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xp_cint_t ungotc[5];
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xp_size_t ungotc_count;
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xp_char_t buf[512];
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xp_size_t buf_pos;
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xp_size_t buf_len;
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xp_size_t line;
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xp_size_t column;
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} lex;
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/* token */
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struct
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{
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int type;
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xp_str_t name;
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xp_size_t line;
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xp_size_t column;
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} token;
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/* housekeeping */
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int errnum;
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};
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struct xp_awk_chain_t
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{
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xp_awk_nde_t* pattern;
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xp_awk_nde_t* action;
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xp_awk_chain_t* next;
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};
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struct xp_awk_run_t
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{
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xp_awk_map_t named;
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void** stack;
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xp_size_t stack_top;
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xp_size_t stack_base;
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xp_size_t stack_limit;
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int exit_level;
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xp_awk_val_int_t* icache[100]; /* TODO: ... */
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xp_awk_val_real_t* rcache[100]; /* TODO: ... */
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xp_size_t icache_count;
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xp_size_t rcache_count;
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xp_awk_io_t txtio;
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void* txtio_arg;
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struct
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{
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xp_char_t buf[1024];
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xp_size_t buf_pos;
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xp_size_t buf_len;
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xp_bool_t eof;
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xp_str_t line;
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} input;
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struct
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{
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xp_awk_cmd_t* incmd;
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xp_awk_cmd_t* iocmd;
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xp_awk_cmd_t* outcmd;
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/*xp_awk_infile_t* infile;*/
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} extio;
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int opt;
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int errnum;
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xp_awk_tree_t* tree;
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xp_size_t nglobals;
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};
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struct xp_awk_cmd_t
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{
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xp_char_t* name;
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void* handle;
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xp_awk_cmd_t* next;
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};
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#endif
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