529 lines
13 KiB
C
529 lines
13 KiB
C
/*
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* $Id: awk.c 381 2008-09-24 11:07:24Z baconevi $
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*
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* {License}
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*/
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#if defined(__BORLANDC__)
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#pragma hdrstop
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#define Library
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#endif
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#include "awk.h"
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#define SETERR(awk,code) ase_awk_seterrnum(awk,code)
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#define SETERRARG(awk,code,line,arg,leng) \
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do { \
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ase_cstr_t errarg; \
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errarg.len = (leng); \
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errarg.ptr = (arg); \
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ase_awk_seterror ((awk), (code), (line), &errarg, 1); \
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} while (0)
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static void free_afn (ase_map_t* map, void* vptr, ase_size_t vlen)
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{
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ase_awk_t* awk = *(ase_awk_t**)ASE_MAP_EXTENSION(map);
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ase_awk_afn_t* f = (ase_awk_afn_t*)vptr;
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/* f->name doesn't have to be freed */
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/*ASE_AWK_FREE (awk, f->name);*/
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ase_awk_clrpt (awk, f->body);
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ASE_AWK_FREE (awk, f);
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}
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static void free_bfn (ase_map_t* map, void* vptr, ase_size_t vlen)
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{
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ase_awk_t* awk = *(ase_awk_t**)ASE_MAP_EXTENSION(map);
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ase_awk_bfn_t* f = (ase_awk_bfn_t*)vptr;
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ASE_AWK_FREE (awk, f);
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}
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ase_awk_t* ase_awk_open (ase_mmgr_t* mmgr, ase_size_t ext)
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{
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ase_awk_t* awk;
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if (mmgr == ASE_NULL)
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{
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mmgr = ASE_MMGR_GETDFL();
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ASE_ASSERTX (mmgr != ASE_NULL,
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"Set the memory manager with ASE_MMGR_SETDFL()");
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if (mmgr == ASE_NULL) return ASE_NULL;
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}
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awk = ASE_MMGR_ALLOC (mmgr, ASE_SIZEOF(ase_awk_t) + ext);
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if (awk == ASE_NULL) return ASE_NULL;
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ASE_MEMSET (awk, 0, ASE_SIZEOF(ase_awk_t) + ext);
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awk->mmgr = mmgr;
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if (ase_str_init (&awk->token.name, mmgr, 128) == ASE_NULL)
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{
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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awk->wtab = ase_map_open (mmgr, ASE_SIZEOF(awk), 512, 70);
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if (awk->wtab == ASE_NULL)
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{
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ase_str_close (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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*(ase_awk_t**)ASE_MAP_EXTENSION(awk->wtab) = awk;
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ase_map_setcopier (awk->wtab, ASE_MAP_KEY, ASE_MAP_COPIER_INLINE);
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ase_map_setcopier (awk->wtab, ASE_MAP_VAL, ASE_MAP_COPIER_INLINE);
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awk->rwtab = ase_map_open (mmgr, ASE_SIZEOF(awk), 512, 70);
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if (awk->rwtab == ASE_NULL)
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{
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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*(ase_awk_t**)ASE_MAP_EXTENSION(awk->rwtab) = awk;
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ase_map_setcopier (awk->rwtab, ASE_MAP_KEY, ASE_MAP_COPIER_INLINE);
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ase_map_setcopier (awk->rwtab, ASE_MAP_VAL, ASE_MAP_COPIER_INLINE);
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/* TODO: initial map size?? */
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/*awk->tree.afns = ase_map_open (awk, 512, 70, free_afn, ASE_NULL, mmgr);*/
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awk->tree.afns = ase_map_open (mmgr, ASE_SIZEOF(awk), 512, 70);
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if (awk->tree.afns == ASE_NULL)
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{
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ase_map_close (awk->rwtab);
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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*(ase_awk_t**)ASE_MAP_EXTENSION(awk->tree.afns) = awk;
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ase_map_setfreeer (awk->tree.afns, ASE_MAP_VAL, free_afn);
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/*awk->parse.afns = ase_map_open (awk, 256, 70, ASE_NULL, ASE_NULL, mmgr);*/
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awk->parse.afns = ase_map_open (mmgr, ASE_SIZEOF(awk), 256, 70);
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if (awk->parse.afns == ASE_NULL)
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{
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ase_map_close (awk->tree.afns);
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ase_map_close (awk->rwtab);
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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*(ase_awk_t**)ASE_MAP_EXTENSION(awk->parse.afns) = awk;
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ase_map_setcopier (awk->parse.afns, ASE_MAP_VAL, ASE_MAP_COPIER_INLINE);
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/*awk->parse.named = ase_map_open (awk, 256, 70, ASE_NULL, ASE_NULL, mmgr);*/
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awk->parse.named = ase_map_open (mmgr, ASE_SIZEOF(awk), 256, 70);
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if (awk->parse.named == ASE_NULL)
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{
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ase_map_close (awk->parse.afns);
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ase_map_close (awk->tree.afns);
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ase_map_close (awk->rwtab);
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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*(ase_awk_t**)ASE_MAP_EXTENSION(awk->parse.named) = awk;
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ase_map_setcopier (awk->parse.named, ASE_MAP_VAL, ASE_MAP_COPIER_INLINE);
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if (ase_awk_tab_open (&awk->parse.globals, awk) == ASE_NULL)
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{
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ase_map_close (awk->parse.named);
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ase_map_close (awk->parse.afns);
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ase_map_close (awk->tree.afns);
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ase_map_close (awk->rwtab);
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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if (ase_awk_tab_open (&awk->parse.locals, awk) == ASE_NULL)
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{
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ase_awk_tab_close (&awk->parse.globals);
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ase_map_close (awk->parse.named);
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ase_map_close (awk->parse.afns);
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ase_map_close (awk->tree.afns);
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ase_map_close (awk->rwtab);
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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if (ase_awk_tab_open (&awk->parse.params, awk) == ASE_NULL)
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{
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ase_awk_tab_close (&awk->parse.locals);
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ase_awk_tab_close (&awk->parse.globals);
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ase_map_close (awk->parse.named);
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ase_map_close (awk->parse.afns);
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ase_map_close (awk->tree.afns);
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ase_map_close (awk->rwtab);
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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awk->option = 0;
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awk->errnum = ASE_AWK_ENOERR;
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awk->errlin = 0;
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awk->stopall = ASE_FALSE;
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awk->parse.nlocals_max = 0;
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awk->tree.nglobals = 0;
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awk->tree.nbglobals = 0;
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awk->tree.begin = ASE_NULL;
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awk->tree.begin_tail = ASE_NULL;
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awk->tree.end = ASE_NULL;
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awk->tree.end_tail = ASE_NULL;
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awk->tree.chain = ASE_NULL;
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awk->tree.chain_tail = ASE_NULL;
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awk->tree.chain_size = 0;
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awk->token.prev.type = 0;
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awk->token.prev.line = 0;
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awk->token.prev.column = 0;
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awk->token.type = 0;
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awk->token.line = 0;
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awk->token.column = 0;
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awk->src.lex.curc = ASE_CHAR_EOF;
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awk->src.lex.ungotc_count = 0;
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awk->src.lex.line = 1;
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awk->src.lex.column = 1;
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awk->src.shared.buf_pos = 0;
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awk->src.shared.buf_len = 0;
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awk->bfn.sys = ASE_NULL;
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/*awk->bfn.user = ASE_NULL;*/
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/*awk->bfn.user = ase_map_open (awk, 512, 70, free_bfn, ASE_NULL, mmgr);*/
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awk->bfn.user = ase_map_open (mmgr, ASE_SIZEOF(awk), 512, 70);
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if (awk->bfn.user == ASE_NULL)
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{
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ase_awk_tab_close (&awk->parse.params);
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ase_awk_tab_close (&awk->parse.locals);
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ase_awk_tab_close (&awk->parse.globals);
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ase_map_close (awk->parse.named);
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ase_map_close (awk->parse.afns);
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ase_map_close (awk->tree.afns);
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ase_map_close (awk->rwtab);
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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*(ase_awk_t**)ASE_MAP_EXTENSION(awk->bfn.user) = awk;
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ase_map_setfreeer (awk->bfn.user, ASE_MAP_VAL, free_bfn);
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awk->parse.depth.cur.block = 0;
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awk->parse.depth.cur.loop = 0;
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awk->parse.depth.cur.expr = 0;
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ase_awk_setmaxdepth (awk, ASE_AWK_DEPTH_BLOCK_PARSE, 0);
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ase_awk_setmaxdepth (awk, ASE_AWK_DEPTH_BLOCK_RUN, 0);
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ase_awk_setmaxdepth (awk, ASE_AWK_DEPTH_EXPR_PARSE, 0);
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ase_awk_setmaxdepth (awk, ASE_AWK_DEPTH_EXPR_RUN, 0);
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ase_awk_setmaxdepth (awk, ASE_AWK_DEPTH_REX_BUILD, 0);
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ase_awk_setmaxdepth (awk, ASE_AWK_DEPTH_REX_MATCH, 0);
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awk->assoc_data = ASE_NULL;
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if (ase_awk_initglobals (awk) == -1)
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{
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ase_map_close (awk->bfn.user);
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ase_awk_tab_close (&awk->parse.params);
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ase_awk_tab_close (&awk->parse.locals);
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ase_awk_tab_close (&awk->parse.globals);
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ase_map_close (awk->parse.named);
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ase_map_close (awk->parse.afns);
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ase_map_close (awk->tree.afns);
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ase_map_close (awk->rwtab);
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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ASE_AWK_FREE (awk, awk);
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return ASE_NULL;
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}
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return awk;
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}
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int ase_awk_close (ase_awk_t* awk)
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{
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ase_size_t i;
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if (ase_awk_clear (awk) == -1) return -1;
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/*ase_awk_clrbfn (awk);*/
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ase_map_close (awk->bfn.user);
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ase_awk_tab_close (&awk->parse.params);
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ase_awk_tab_close (&awk->parse.locals);
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ase_awk_tab_close (&awk->parse.globals);
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ase_map_close (awk->parse.named);
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ase_map_close (awk->parse.afns);
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ase_map_close (awk->tree.afns);
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ase_map_close (awk->rwtab);
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ase_map_close (awk->wtab);
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ase_str_fini (&awk->token.name);
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for (i = 0; i < ASE_COUNTOF(awk->errstr); i++)
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{
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if (awk->errstr[i] != ASE_NULL)
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{
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ASE_AWK_FREE (awk, awk->errstr[i]);
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awk->errstr[i] = ASE_NULL;
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}
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}
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/* ASE_AWK_ALLOC, ASE_AWK_FREE, etc can not be used
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* from the next line onwards */
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ASE_AWK_FREE (awk, awk);
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return 0;
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}
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int ase_awk_clear (ase_awk_t* awk)
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{
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awk->stopall = ASE_FALSE;
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ASE_MEMSET (&awk->src.ios, 0, ASE_SIZEOF(awk->src.ios));
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awk->src.lex.curc = ASE_CHAR_EOF;
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awk->src.lex.ungotc_count = 0;
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awk->src.lex.line = 1;
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awk->src.lex.column = 1;
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awk->src.shared.buf_pos = 0;
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awk->src.shared.buf_len = 0;
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/*ase_awk_tab_clear (&awk->parse.globals);*/
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ASE_ASSERT (awk->parse.globals.size == awk->tree.nglobals);
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ase_awk_tab_remove (
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&awk->parse.globals, awk->tree.nbglobals,
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awk->parse.globals.size - awk->tree.nbglobals);
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ase_awk_tab_clear (&awk->parse.locals);
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ase_awk_tab_clear (&awk->parse.params);
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ase_map_clear (awk->parse.named);
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ase_map_clear (awk->parse.afns);
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awk->parse.nlocals_max = 0;
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awk->parse.depth.cur.block = 0;
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awk->parse.depth.cur.loop = 0;
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awk->parse.depth.cur.expr = 0;
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/* clear parse trees */
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awk->tree.ok = 0;
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/*awk->tree.nbglobals = 0;
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awk->tree.nglobals = 0; */
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awk->tree.nglobals = awk->tree.nbglobals;
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awk->tree.cur_afn.ptr = ASE_NULL;
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awk->tree.cur_afn.len = 0;
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ase_map_clear (awk->tree.afns);
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if (awk->tree.begin != ASE_NULL)
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{
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ase_awk_nde_t* next = awk->tree.begin->next;
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/*ASE_ASSERT (awk->tree.begin->next == ASE_NULL);*/
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ase_awk_clrpt (awk, awk->tree.begin);
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awk->tree.begin = ASE_NULL;
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awk->tree.begin_tail = ASE_NULL;
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}
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if (awk->tree.end != ASE_NULL)
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{
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/*ASE_ASSERT (awk->tree.end->next == ASE_NULL);*/
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ase_awk_clrpt (awk, awk->tree.end);
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awk->tree.end = ASE_NULL;
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awk->tree.end_tail = ASE_NULL;
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}
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while (awk->tree.chain != ASE_NULL)
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{
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ase_awk_chain_t* next = awk->tree.chain->next;
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if (awk->tree.chain->pattern != ASE_NULL)
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ase_awk_clrpt (awk, awk->tree.chain->pattern);
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if (awk->tree.chain->action != ASE_NULL)
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ase_awk_clrpt (awk, awk->tree.chain->action);
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ASE_AWK_FREE (awk, awk->tree.chain);
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awk->tree.chain = next;
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}
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awk->tree.chain_tail = ASE_NULL;
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awk->tree.chain_size = 0;
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return 0;
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}
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void* ase_awk_getextension (ase_awk_t* awk)
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{
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return (void*)(awk + 1);
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}
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ase_mmgr_t* ase_awk_getmmgr (ase_awk_t* awk)
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{
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return awk->mmgr;
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}
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void ase_awk_setmmgr (ase_awk_t* awk, ase_mmgr_t* mmgr)
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{
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awk->mmgr = mmgr;
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}
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ase_ccls_t* ase_awk_getccls (ase_awk_t* awk)
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{
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return awk->ccls;
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}
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void ase_awk_setccls (ase_awk_t* awk, ase_ccls_t* ccls)
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{
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ASE_ASSERT (ccls->is_upper != ASE_NULL);
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ASE_ASSERT (ccls->is_lower != ASE_NULL);
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ASE_ASSERT (ccls->is_alpha != ASE_NULL);
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ASE_ASSERT (ccls->is_digit != ASE_NULL);
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ASE_ASSERT (ccls->is_xdigit != ASE_NULL);
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ASE_ASSERT (ccls->is_alnum != ASE_NULL);
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ASE_ASSERT (ccls->is_space != ASE_NULL);
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ASE_ASSERT (ccls->is_print != ASE_NULL);
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ASE_ASSERT (ccls->is_graph != ASE_NULL);
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ASE_ASSERT (ccls->is_cntrl != ASE_NULL);
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ASE_ASSERT (ccls->is_punct != ASE_NULL);
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ASE_ASSERT (ccls->to_upper != ASE_NULL);
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ASE_ASSERT (ccls->to_lower != ASE_NULL);
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awk->ccls = ccls;
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}
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void ase_awk_setprmfns (ase_awk_t* awk, ase_awk_prmfns_t* prmfns)
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{
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ASE_ASSERT (prmfns->pow != ASE_NULL);
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ASE_ASSERT (prmfns->sprintf != ASE_NULL);
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ASE_ASSERT (prmfns->dprintf != ASE_NULL);
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awk->prmfns = prmfns;
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}
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int ase_awk_getoption (ase_awk_t* awk)
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{
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return awk->option;
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}
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void ase_awk_setoption (ase_awk_t* awk, int opt)
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{
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awk->option = opt;
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}
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void ase_awk_stopall (ase_awk_t* awk)
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{
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awk->stopall = ASE_TRUE;
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}
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int ase_awk_getword (ase_awk_t* awk,
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const ase_char_t* okw, ase_size_t olen,
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const ase_char_t** nkw, ase_size_t* nlen)
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{
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ase_map_pair_t* p;
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p = ase_map_search (awk->wtab, okw, olen);
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if (p == ASE_NULL) return -1;
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*nkw = ((ase_cstr_t*)p->vptr)->ptr;
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*nlen = ((ase_cstr_t*)p->vptr)->len;
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return 0;
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}
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int ase_awk_unsetword (ase_awk_t* awk, const ase_char_t* kw, ase_size_t len)
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{
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ase_map_pair_t* p;
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p = ase_map_search (awk->wtab, kw, ASE_NCHARS_TO_NBYTES(len));
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if (p == ASE_NULL)
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{
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SETERRARG (awk, ASE_AWK_ENOENT, 0, kw, len);
|
|
return -1;
|
|
}
|
|
|
|
ase_map_delete (awk->rwtab, ASE_MAP_VPTR(p), ASE_MAP_VLEN(p));
|
|
ase_map_delete (awk->wtab, kw, ASE_NCHARS_TO_NBYTES(len));
|
|
return 0;
|
|
}
|
|
|
|
void ase_awk_unsetallwords (ase_awk_t* awk)
|
|
{
|
|
ase_map_clear (awk->wtab);
|
|
ase_map_clear (awk->rwtab);
|
|
}
|
|
|
|
int ase_awk_setword (ase_awk_t* awk,
|
|
const ase_char_t* okw, ase_size_t olen,
|
|
const ase_char_t* nkw, ase_size_t nlen)
|
|
{
|
|
ase_cstr_t* vn, * vo;
|
|
|
|
if (nkw == ASE_NULL || nlen == 0)
|
|
{
|
|
ase_map_pair_t* p;
|
|
|
|
if (okw == ASE_NULL || olen == 0)
|
|
{
|
|
/* clear the entire table */
|
|
ase_awk_unsetallwords (awk);
|
|
return 0;
|
|
}
|
|
|
|
return ase_awk_unsetword (awk, okw, olen);
|
|
}
|
|
else if (okw == ASE_NULL || olen == 0)
|
|
{
|
|
SETERR (awk, ASE_AWK_EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
/* set the word */
|
|
if (ase_map_upsert (awk->wtab,
|
|
(ase_char_t*)okw, ASE_NCHARS_TO_NBYTES(olen),
|
|
(ase_char_t*)nkw, ASE_NCHARS_TO_NBYTES(nlen)) == ASE_NULL)
|
|
{
|
|
SETERR (awk, ASE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
if (ase_map_upsert (awk->rwtab,
|
|
(ase_char_t*)nkw, ASE_NCHARS_TO_NBYTES(nlen),
|
|
(ase_char_t*)okw, ASE_NCHARS_TO_NBYTES(olen)) == ASE_NULL)
|
|
{
|
|
ase_map_delete (awk->wtab, okw, ASE_NCHARS_TO_NBYTES(olen));
|
|
SETERR (awk, ASE_AWK_ENOMEM);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ase_awk_setrexfns (ase_awk_t* awk, ase_awk_rexfns_t* rexfns)
|
|
{
|
|
if (rexfns->build == ASE_NULL ||
|
|
rexfns->match == ASE_NULL ||
|
|
rexfns->free == ASE_NULL ||
|
|
rexfns->isempty == ASE_NULL)
|
|
{
|
|
SETERR (awk, ASE_AWK_EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
awk->rexfns = rexfns;
|
|
return 0;
|
|
}
|