qse/ase/awk/awk_i.h

183 lines
2.9 KiB
C

/*
* $Id: awk_i.h,v 1.24 2006-07-01 16:07:06 bacon Exp $
*/
#ifndef _XP_AWK_AWKI_H_
#define _XP_AWK_AWKI_H_
typedef struct xp_awk_chain_t xp_awk_chain_t;
typedef struct xp_awk_run_t xp_awk_run_t;
typedef struct xp_awk_tree_t xp_awk_tree_t;
#include <xp/awk/awk.h>
#ifdef XP_AWK_STAND_ALONE
#include <xp/awk/sa.h>
#else
#include <xp/bas/str.h>
#endif
#include <xp/awk/map.h>
#include <xp/awk/val.h>
#include <xp/awk/func.h>
#include <xp/awk/tree.h>
#include <xp/awk/tab.h>
#include <xp/awk/run.h>
#include <xp/awk/extio.h>
#ifdef _WIN32
#pragma warning (disable: 4996)
#endif
#if defined(_WIN32) && defined(XP_AWK_STAND_ALONE) && defined(_DEBUG)
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#endif
/*
*
struct xp_awk_parse_t
{
int opt;
};
struct xp_awk_run_t
{
int opt;
};
awk = xp_awk_open ();
xp_awk_parse (awk, source_input, source_output);
thr = create_thread (5);
thr[0]->xp_awk_run (awk, input_stream1, output_stream1);
thr[1]->xp_awk_run (awk, input_stream2, output_stream2);
thr[2]->xp_awk_run (awk, input_stream3, output_stream3);
xp_awk_setcallback (void* __command_callback (int cmd, void* arg), void* arg);
xp_awk_run (awk)
{
run_stack = malloc (run_stack_size);
while ()
{
if (command_callback) if (command_callback (XP_AWK_ABORT) == yes) break;
run with run_stack
}
}
*/
struct xp_awk_tree_t
{
xp_size_t nglobals;
xp_awk_map_t afns; /* awk function map */
xp_awk_nde_t* begin;
xp_awk_nde_t* end;
xp_awk_chain_t* chain;
xp_awk_chain_t* chain_tail;
};
struct xp_awk_t
{
/* options */
struct
{
int parse;
int run;
} opt;
/* io functions */
xp_awk_io_t srcio;
void* srcio_arg;
/* parse tree */
xp_awk_tree_t tree;
/* temporary information that the parser needs */
struct
{
xp_awk_tab_t globals;
xp_awk_tab_t locals;
xp_awk_tab_t params;
xp_size_t nlocals_max;
} parse;
/* source buffer management */
struct
{
xp_cint_t curc;
xp_cint_t ungotc[5];
xp_size_t ungotc_count;
xp_char_t buf[512];
xp_size_t buf_pos;
xp_size_t buf_len;
xp_size_t line;
xp_size_t column;
} lex;
xp_awk_io_t extio[XP_AWK_EXTIO_NUM];
/* token */
struct
{
int prev;
int type;
xp_str_t name;
xp_size_t line;
xp_size_t column;
} token;
/* housekeeping */
int errnum;
};
struct xp_awk_chain_t
{
xp_awk_nde_t* pattern;
xp_awk_nde_t* action;
xp_awk_chain_t* next;
};
struct xp_awk_run_t
{
xp_awk_map_t named;
void** stack;
xp_size_t stack_top;
xp_size_t stack_base;
xp_size_t stack_limit;
int exit_level;
xp_awk_val_int_t* icache[100]; /* TODO: choose the optimal size */
xp_awk_val_real_t* rcache[100]; /* TODO: choose the optimal size */
xp_size_t icache_count;
xp_size_t rcache_count;
xp_awk_io_t txtio;
void* txtio_arg;
struct
{
xp_char_t buf[1024];
xp_size_t buf_pos;
xp_size_t buf_len;
xp_bool_t eof;
xp_str_t line;
} input;
/* extio chain */
xp_awk_extio_t* extio;
int opt;
int errnum;
/*xp_awk_tree_t* tree;
xp_size_t nglobals;*/
xp_awk_t* awk;
};
#endif