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authorRoberto Ierusalimschy <roberto@inf.puc-rio.br>2000-01-28 14:53:00 -0200
committerRoberto Ierusalimschy <roberto@inf.puc-rio.br>2000-01-28 14:53:00 -0200
commit1f691a4fcd32b706c79e4c8cbff17c6ae985bc34 (patch)
treecbc0e4fafd5fc1367db57f2b2fc8dff5876f1076 /lparser.c
parentd6b9f49aaf735f7b17bd0dcafde65ba0f8c57bc7 (diff)
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renaming of some opcodes and fields
Diffstat (limited to 'lparser.c')
-rw-r--r--lparser.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/lparser.c b/lparser.c
index ec655a99..7c702a4d 100644
--- a/lparser.c
+++ b/lparser.c
@@ -1,5 +1,5 @@
1/* 1/*
2** $Id: lparser.c,v 1.55 2000/01/25 13:57:18 roberto Exp roberto $ 2** $Id: lparser.c,v 1.56 2000/01/25 18:44:21 roberto Exp roberto $
3** LL(1) Parser and code generator for Lua 3** LL(1) Parser and code generator for Lua
4** See Copyright Notice in lua.h 4** See Copyright Notice in lua.h
5*/ 5*/
@@ -150,7 +150,7 @@ static void deltastack (LexState *ls, int delta) {
150 fs->stacksize += delta; 150 fs->stacksize += delta;
151 if (fs->stacksize > fs->maxstacksize) { 151 if (fs->stacksize > fs->maxstacksize) {
152 if (fs->stacksize > MAX_BYTE) 152 if (fs->stacksize > MAX_BYTE)
153 luaY_error(ls, "function/expression too complex"); 153 luaY_error(ls, "function or expression too complex");
154 fs->maxstacksize = fs->stacksize; 154 fs->maxstacksize = fs->stacksize;
155 } 155 }
156} 156}
@@ -214,24 +214,24 @@ static void code_opcode (LexState *ls, OpCode op, int delta) {
214} 214}
215 215
216 216
217static void code_strcnst (LexState *ls, int c) { 217static void code_kstr (LexState *ls, int c) {
218 code_oparg(ls, PUSHSTRCNST, c, 1); 218 code_oparg(ls, PUSHSTRING, c, 1);
219} 219}
220 220
221 221
222static void assertglobal (LexState *ls, int index) { 222static void assertglobal (LexState *ls, int index) {
223 luaS_assertglobal(ls->L, ls->fs->f->strcnst[index]); 223 luaS_assertglobal(ls->L, ls->fs->f->kstr[index]);
224} 224}
225 225
226 226
227static int string_constant (LexState *ls, FuncState *fs, TaggedString *s) { 227static int string_constant (LexState *ls, FuncState *fs, TaggedString *s) {
228 TProtoFunc *f = fs->f; 228 TProtoFunc *f = fs->f;
229 int c = s->constindex; 229 int c = s->constindex;
230 if (c >= f->nstrcnst || f->strcnst[c] != s) { 230 if (c >= f->nkstr || f->kstr[c] != s) {
231 luaM_growvector(ls->L, f->strcnst, f->nstrcnst, 1, 231 luaM_growvector(ls->L, f->kstr, f->nkstr, 1,
232 TaggedString *, constantEM, MAX_ARG); 232 TaggedString *, constantEM, MAX_ARG);
233 c = f->nstrcnst++; 233 c = f->nkstr++;
234 f->strcnst[c] = s; 234 f->kstr[c] = s;
235 s->constindex = c; /* hint for next time */ 235 s->constindex = c; /* hint for next time */
236 } 236 }
237 return c; 237 return c;
@@ -239,7 +239,7 @@ static int string_constant (LexState *ls, FuncState *fs, TaggedString *s) {
239 239
240 240
241static void code_string (LexState *ls, TaggedString *s) { 241static void code_string (LexState *ls, TaggedString *s) {
242 code_strcnst(ls, string_constant(ls, ls->fs, s)); 242 code_kstr(ls, string_constant(ls, ls->fs, s));
243} 243}
244 244
245 245
@@ -247,15 +247,15 @@ static void code_string (LexState *ls, TaggedString *s) {
247static int real_constant (LexState *ls, real r) { 247static int real_constant (LexState *ls, real r) {
248 /* check whether `r' has appeared within the last LIM entries */ 248 /* check whether `r' has appeared within the last LIM entries */
249 TProtoFunc *f = ls->fs->f; 249 TProtoFunc *f = ls->fs->f;
250 int c = f->nnumcnst; 250 int c = f->nknum;
251 int lim = c < LIM ? 0 : c-LIM; 251 int lim = c < LIM ? 0 : c-LIM;
252 while (--c >= lim) 252 while (--c >= lim)
253 if (f->numcnst[c] == r) return c; 253 if (f->knum[c] == r) return c;
254 /* not found; create a new entry */ 254 /* not found; create a new entry */
255 luaM_growvector(ls->L, f->numcnst, f->nnumcnst, 1, 255 luaM_growvector(ls->L, f->knum, f->nknum, 1,
256 real, constantEM, MAX_ARG); 256 real, constantEM, MAX_ARG);
257 c = f->nnumcnst++; 257 c = f->nknum++;
258 f->numcnst[c] = r; 258 f->knum[c] = r;
259 return c; 259 return c;
260} 260}
261 261
@@ -264,10 +264,10 @@ static void code_number (LexState *ls, real f) {
264 real af = (f<0) ? -f : f; 264 real af = (f<0) ? -f : f;
265 if (0 <= af && af <= (real)MAX_WORD && (int)af == af) { 265 if (0 <= af && af <= (real)MAX_WORD && (int)af == af) {
266 /* abs(f) has a short integer value */ 266 /* abs(f) has a short integer value */
267 code_oparg(ls, (f<0) ? PUSHNUMBERNEG : PUSHNUMBER, (int)af, 1); 267 code_oparg(ls, (f<0) ? PUSHINTNEG : PUSHINT, (int)af, 1);
268 } 268 }
269 else 269 else
270 code_oparg(ls, PUSHNUMCNST, real_constant(ls, f), 1); 270 code_oparg(ls, PUSHNUMBER, real_constant(ls, f), 1);
271} 271}
272 272
273 273
@@ -469,7 +469,7 @@ static void code_args (LexState *ls, int nparams, int dots) {
469static void unloaddot (LexState *ls, vardesc *v) { 469static void unloaddot (LexState *ls, vardesc *v) {
470 /* dotted variables <a.x> must be stored as regular indexed vars <a["x"]> */ 470 /* dotted variables <a.x> must be stored as regular indexed vars <a["x"]> */
471 if (v->k == VDOT) { 471 if (v->k == VDOT) {
472 code_strcnst(ls, v->info); 472 code_kstr(ls, v->info);
473 v->k = VINDEXED; 473 v->k = VINDEXED;
474 } 474 }
475} 475}
@@ -551,13 +551,13 @@ static void func_onstack (LexState *ls, FuncState *func) {
551 FuncState *fs = ls->fs; 551 FuncState *fs = ls->fs;
552 TProtoFunc *f = fs->f; 552 TProtoFunc *f = fs->f;
553 int i; 553 int i;
554 luaM_growvector(ls->L, f->protocnst, f->nprotocnst, 1, 554 luaM_growvector(ls->L, f->kproto, f->nkproto, 1,
555 TProtoFunc *, constantEM, MAX_ARG); 555 TProtoFunc *, constantEM, MAX_ARG);
556 f->protocnst[f->nprotocnst] = func->f; 556 f->kproto[f->nkproto] = func->f;
557 for (i=0; i<func->nupvalues; i++) 557 for (i=0; i<func->nupvalues; i++)
558 lua_pushvar(ls, &func->upvalues[i]); 558 lua_pushvar(ls, &func->upvalues[i]);
559 deltastack(ls, 1); /* CLOSURE puts one extra element (before poping) */ 559 deltastack(ls, 1); /* CLOSURE puts one extra element (before popping) */
560 code_oparg(ls, CLOSURE, f->nprotocnst++, -func->nupvalues); 560 code_oparg(ls, CLOSURE, f->nkproto++, -func->nupvalues);
561 code_byte(ls, (Byte)func->nupvalues); 561 code_byte(ls, (Byte)func->nupvalues);
562} 562}
563 563
@@ -592,9 +592,9 @@ static void close_func (LexState *ls) {
592 code_opcode(ls, ENDCODE, 0); 592 code_opcode(ls, ENDCODE, 0);
593 f->code[0] = (Byte)fs->maxstacksize; 593 f->code[0] = (Byte)fs->maxstacksize;
594 luaM_reallocvector(ls->L, f->code, fs->pc, Byte); 594 luaM_reallocvector(ls->L, f->code, fs->pc, Byte);
595 luaM_reallocvector(ls->L, f->strcnst, f->nstrcnst, TaggedString *); 595 luaM_reallocvector(ls->L, f->kstr, f->nkstr, TaggedString *);
596 luaM_reallocvector(ls->L, f->numcnst, f->nnumcnst, real); 596 luaM_reallocvector(ls->L, f->knum, f->nknum, real);
597 luaM_reallocvector(ls->L, f->protocnst, f->nprotocnst, TProtoFunc *); 597 luaM_reallocvector(ls->L, f->kproto, f->nkproto, TProtoFunc *);
598 if (fs->nvars != -1) { /* debug information? */ 598 if (fs->nvars != -1) { /* debug information? */
599 luaI_registerlocalvar(ls, NULL, -1); /* flag end of vector */ 599 luaI_registerlocalvar(ls, NULL, -1); /* flag end of vector */
600 luaM_reallocvector(ls->L, f->locvars, fs->nvars, LocVar); 600 luaM_reallocvector(ls->L, f->locvars, fs->nvars, LocVar);
@@ -661,7 +661,7 @@ static int checkname (LexState *ls) {
661 661
662static TaggedString *str_checkname (LexState *ls) { 662static TaggedString *str_checkname (LexState *ls) {
663 int i = checkname(ls); /* this call may realloc `f->consts' */ 663 int i = checkname(ls); /* this call may realloc `f->consts' */
664 return ls->fs->f->strcnst[i]; 664 return ls->fs->f->kstr[i];
665} 665}
666 666
667 667
@@ -853,7 +853,7 @@ static void recfield (LexState *ls) {
853 /* recfield -> (NAME | '['exp1']') = exp1 */ 853 /* recfield -> (NAME | '['exp1']') = exp1 */
854 switch (ls->token) { 854 switch (ls->token) {
855 case NAME: 855 case NAME:
856 code_strcnst(ls, checkname(ls)); 856 code_kstr(ls, checkname(ls));
857 break; 857 break;
858 858
859 case '[': 859 case '[':
@@ -917,7 +917,7 @@ static void constructor_part (LexState *ls, constdesc *cd) {
917 if (ls->token == '=') { 917 if (ls->token == '=') {
918 switch (v.k) { 918 switch (v.k) {
919 case VGLOBAL: 919 case VGLOBAL:
920 code_strcnst(ls, v.info); 920 code_kstr(ls, v.info);
921 break; 921 break;
922 case VLOCAL: 922 case VLOCAL:
923 code_string(ls, ls->fs->localvar[v.info]); 923 code_string(ls, ls->fs->localvar[v.info]);
@@ -1291,7 +1291,7 @@ static int funcname (LexState *ls, vardesc *v) {
1291 needself = (ls->token == ':'); 1291 needself = (ls->token == ':');
1292 next(ls); 1292 next(ls);
1293 lua_pushvar(ls, v); 1293 lua_pushvar(ls, v);
1294 code_strcnst(ls, checkname(ls)); 1294 code_kstr(ls, checkname(ls));
1295 v->k = VINDEXED; 1295 v->k = VINDEXED;
1296 } 1296 }
1297 return needself; 1297 return needself;