mirror of
https://github.com/lua/lua
synced 2024-11-22 04:41:23 +03:00
1640 lines
41 KiB
C
1640 lines
41 KiB
C
# line 2 "lua.stx"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "opcode.h"
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#include "hash.h"
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#include "inout.h"
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#include "table.h"
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#include "lua.h"
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#ifndef ALIGNMENT
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#define ALIGNMENT (sizeof(void *))
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#endif
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#ifndef MAXCODE
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#define MAXCODE 1024
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#endif
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static long buffer[MAXCODE];
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static Byte *code = (Byte *)buffer;
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static long mainbuffer[MAXCODE];
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static Byte *maincode = (Byte *)mainbuffer;
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static Byte *basepc;
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static Byte *pc;
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#define MAXVAR 32
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static long varbuffer[MAXVAR];
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static Byte nvarbuffer=0; /* number of variables at a list */
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static Word localvar[STACKGAP];
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static Byte nlocalvar=0; /* number of local variables */
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static int ntemp; /* number of temporary var into stack */
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static int err; /* flag to indicate error */
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/* Internal functions */
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#define align(n) align_n(sizeof(n))
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static void code_byte (Byte c)
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{
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if (pc-basepc>MAXCODE-1)
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{
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lua_error ("code buffer overflow");
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err = 1;
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}
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*pc++ = c;
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}
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static void code_word (Word n)
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{
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if (pc-basepc>MAXCODE-sizeof(Word))
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{
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lua_error ("code buffer overflow");
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err = 1;
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}
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*((Word *)pc) = n;
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pc += sizeof(Word);
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}
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static void code_float (float n)
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{
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if (pc-basepc>MAXCODE-sizeof(float))
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{
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lua_error ("code buffer overflow");
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err = 1;
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}
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*((float *)pc) = n;
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pc += sizeof(float);
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}
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static void incr_ntemp (void)
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{
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if (ntemp+nlocalvar+MAXVAR+1 < STACKGAP)
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ntemp++;
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else
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{
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lua_error ("stack overflow");
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err = 1;
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}
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}
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static void incr_nlocalvar (void)
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{
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if (ntemp+nlocalvar+MAXVAR+1 < STACKGAP)
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nlocalvar++;
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else
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{
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lua_error ("too many local variables or expression too complicate");
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err = 1;
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}
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}
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static void incr_nvarbuffer (void)
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{
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if (nvarbuffer < MAXVAR-1)
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nvarbuffer++;
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else
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{
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lua_error ("variable buffer overflow");
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err = 1;
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}
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}
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static void align_n (unsigned size)
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{
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if (size > ALIGNMENT) size = ALIGNMENT;
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while (((pc+1-code)%size) != 0) /* +1 to include BYTECODE */
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code_byte (NOP);
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}
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static void code_number (float f)
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{ int i = f;
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if (f == i) /* f has an integer value */
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{
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if (i <= 2) code_byte(PUSH0 + i);
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else if (i <= 255)
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{
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code_byte(PUSHBYTE);
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code_byte(i);
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}
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else
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{
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align(Word);
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code_byte(PUSHWORD);
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code_word(i);
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}
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}
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else
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{
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align(float);
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code_byte(PUSHFLOAT);
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code_float(f);
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}
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incr_ntemp();
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}
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# line 140 "lua.stx"
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typedef union
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{
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int vInt;
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long vLong;
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float vFloat;
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Word vWord;
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Byte *pByte;
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} YYSTYPE;
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# define NIL 257
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# define IF 258
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# define THEN 259
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# define ELSE 260
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# define ELSEIF 261
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# define WHILE 262
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# define DO 263
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# define REPEAT 264
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# define UNTIL 265
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# define END 266
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# define RETURN 267
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# define LOCAL 268
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# define NUMBER 269
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# define FUNCTION 270
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# define NAME 271
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# define STRING 272
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# define DEBUG 273
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# define NOT 274
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# define AND 275
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# define OR 276
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# define NE 277
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# define LE 278
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# define GE 279
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# define CONC 280
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# define UNARY 281
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#define yyclearin yychar = -1
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#define yyerrok yyerrflag = 0
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extern int yychar;
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extern int yyerrflag;
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#ifndef YYMAXDEPTH
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#define YYMAXDEPTH 150
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#endif
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YYSTYPE yylval, yyval;
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# define YYERRCODE 256
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# line 530 "lua.stx"
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/*
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** Search a local name and if find return its index. If do not find return -1
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*/
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static int lua_localname (Word n)
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{
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int i;
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for (i=nlocalvar-1; i >= 0; i--)
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if (n == localvar[i]) return i; /* local var */
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return -1; /* global var */
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}
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/*
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** Push a variable given a number. If number is positive, push global variable
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** indexed by (number -1). If negative, push local indexed by ABS(number)-1.
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** Otherwise, if zero, push indexed variable (record).
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*/
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static void lua_pushvar (long number)
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{
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if (number > 0) /* global var */
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{
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align(Word);
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code_byte(PUSHGLOBAL);
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code_word(number-1);
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incr_ntemp();
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}
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else if (number < 0) /* local var */
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{
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number = (-number) - 1;
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if (number < 10) code_byte(PUSHLOCAL0 + number);
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else
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{
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code_byte(PUSHLOCAL);
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code_byte(number);
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}
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incr_ntemp();
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}
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else
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{
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code_byte(PUSHINDEXED);
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ntemp--;
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}
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}
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static void lua_codeadjust (int n)
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{
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code_byte(ADJUST);
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code_byte(n + nlocalvar);
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}
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static void lua_codestore (int i)
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{
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if (varbuffer[i] > 0) /* global var */
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{
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align(Word);
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code_byte(STOREGLOBAL);
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code_word(varbuffer[i]-1);
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}
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else if (varbuffer[i] < 0) /* local var */
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{
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int number = (-varbuffer[i]) - 1;
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if (number < 10) code_byte(STORELOCAL0 + number);
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else
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{
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code_byte(STORELOCAL);
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code_byte(number);
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}
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}
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else /* indexed var */
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{
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int j;
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int upper=0; /* number of indexed variables upper */
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int param; /* number of itens until indexed expression */
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for (j=i+1; j <nvarbuffer; j++)
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if (varbuffer[j] == 0) upper++;
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param = upper*2 + i;
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if (param == 0)
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code_byte(STOREINDEXED0);
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else
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{
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code_byte(STOREINDEXED);
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code_byte(param);
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}
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}
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}
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void yyerror (char *s)
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{
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static char msg[256];
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sprintf (msg,"%s near \"%s\" at line %d in file \"%s\"",
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s, lua_lasttext (), lua_linenumber, lua_filename());
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lua_error (msg);
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err = 1;
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}
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int yywrap (void)
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{
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return 1;
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}
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/*
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** Parse LUA code and execute global statement.
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** Return 0 on success or 1 on error.
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*/
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int lua_parse (void)
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{
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Byte *initcode = maincode;
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err = 0;
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if (yyparse () || (err==1)) return 1;
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*maincode++ = HALT;
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if (lua_execute (initcode)) return 1;
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maincode = initcode;
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return 0;
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}
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#if 0
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static void PrintCode (void)
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{
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Byte *p = code;
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printf ("\n\nCODE\n");
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while (p != pc)
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{
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switch ((OpCode)*p)
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{
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case NOP: printf ("%d NOP\n", (p++)-code); break;
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case PUSHNIL: printf ("%d PUSHNIL\n", (p++)-code); break;
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case PUSH0: case PUSH1: case PUSH2:
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printf ("%d PUSH%c\n", p-code, *p-PUSH0+'0');
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p++;
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break;
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case PUSHBYTE:
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printf ("%d PUSHBYTE %d\n", p-code, *(++p));
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p++;
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break;
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case PUSHWORD:
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printf ("%d PUSHWORD %d\n", p-code, *((Word *)(p+1)));
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p += 1 + sizeof(Word);
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break;
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case PUSHFLOAT:
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printf ("%d PUSHFLOAT %f\n", p-code, *((float *)(p+1)));
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p += 1 + sizeof(float);
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break;
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case PUSHSTRING:
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printf ("%d PUSHSTRING %d\n", p-code, *((Word *)(p+1)));
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p += 1 + sizeof(Word);
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break;
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case PUSHLOCAL0: case PUSHLOCAL1: case PUSHLOCAL2: case PUSHLOCAL3:
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case PUSHLOCAL4: case PUSHLOCAL5: case PUSHLOCAL6: case PUSHLOCAL7:
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case PUSHLOCAL8: case PUSHLOCAL9:
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printf ("%d PUSHLOCAL%c\n", p-code, *p-PUSHLOCAL0+'0');
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p++;
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break;
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case PUSHLOCAL: printf ("%d PUSHLOCAL %d\n", p-code, *(++p));
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p++;
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break;
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case PUSHGLOBAL:
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printf ("%d PUSHGLOBAL %d\n", p-code, *((Word *)(p+1)));
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p += 1 + sizeof(Word);
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break;
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case PUSHINDEXED: printf ("%d PUSHINDEXED\n", (p++)-code); break;
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case PUSHMARK: printf ("%d PUSHMARK\n", (p++)-code); break;
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case PUSHOBJECT: printf ("%d PUSHOBJECT\n", (p++)-code); break;
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case STORELOCAL0: case STORELOCAL1: case STORELOCAL2: case STORELOCAL3:
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case STORELOCAL4: case STORELOCAL5: case STORELOCAL6: case STORELOCAL7:
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case STORELOCAL8: case STORELOCAL9:
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printf ("%d STORELOCAL%c\n", p-code, *p-STORELOCAL0+'0');
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p++;
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break;
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case STORELOCAL:
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printf ("%d STORELOCAK %d\n", p-code, *(++p));
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p++;
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break;
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case STOREGLOBAL:
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printf ("%d STOREGLOBAL %d\n", p-code, *((Word *)(p+1)));
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p += 1 + sizeof(Word);
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break;
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case STOREINDEXED0: printf ("%d STOREINDEXED0\n", (p++)-code); break;
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case STOREINDEXED: printf ("%d STOREINDEXED %d\n", p-code, *(++p));
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p++;
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break;
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case STOREFIELD: printf ("%d STOREFIELD\n", (p++)-code); break;
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case ADJUST:
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printf ("%d ADJUST %d\n", p-code, *(++p));
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p++;
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break;
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case CREATEARRAY: printf ("%d CREATEARRAY\n", (p++)-code); break;
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case EQOP: printf ("%d EQOP\n", (p++)-code); break;
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case LTOP: printf ("%d LTOP\n", (p++)-code); break;
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case LEOP: printf ("%d LEOP\n", (p++)-code); break;
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case ADDOP: printf ("%d ADDOP\n", (p++)-code); break;
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case SUBOP: printf ("%d SUBOP\n", (p++)-code); break;
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case MULTOP: printf ("%d MULTOP\n", (p++)-code); break;
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case DIVOP: printf ("%d DIVOP\n", (p++)-code); break;
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case CONCOP: printf ("%d CONCOP\n", (p++)-code); break;
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case MINUSOP: printf ("%d MINUSOP\n", (p++)-code); break;
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case NOTOP: printf ("%d NOTOP\n", (p++)-code); break;
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case ONTJMP:
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printf ("%d ONTJMP %d\n", p-code, *((Word *)(p+1)));
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p += sizeof(Word) + 1;
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break;
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case ONFJMP:
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printf ("%d ONFJMP %d\n", p-code, *((Word *)(p+1)));
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p += sizeof(Word) + 1;
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break;
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case JMP:
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printf ("%d JMP %d\n", p-code, *((Word *)(p+1)));
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p += sizeof(Word) + 1;
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break;
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case UPJMP:
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printf ("%d UPJMP %d\n", p-code, *((Word *)(p+1)));
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p += sizeof(Word) + 1;
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break;
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case IFFJMP:
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printf ("%d IFFJMP %d\n", p-code, *((Word *)(p+1)));
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p += sizeof(Word) + 1;
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break;
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case IFFUPJMP:
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printf ("%d IFFUPJMP %d\n", p-code, *((Word *)(p+1)));
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p += sizeof(Word) + 1;
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break;
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case POP: printf ("%d POP\n", (p++)-code); break;
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case CALLFUNC: printf ("%d CALLFUNC\n", (p++)-code); break;
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case RETCODE:
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printf ("%d RETCODE %d\n", p-code, *(++p));
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p++;
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break;
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default: printf ("%d Cannot happen\n", (p++)-code); break;
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}
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}
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}
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#endif
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int yyexca[] ={
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-1, 1,
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0, -1,
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-2, 2,
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-1, 19,
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40, 65,
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91, 95,
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46, 97,
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-2, 92,
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-1, 29,
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40, 65,
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91, 95,
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46, 97,
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-2, 51,
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-1, 70,
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275, 33,
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276, 33,
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61, 33,
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277, 33,
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62, 33,
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60, 33,
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278, 33,
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279, 33,
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280, 33,
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43, 33,
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45, 33,
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42, 33,
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47, 33,
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-2, 68,
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-1, 71,
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91, 95,
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46, 97,
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-2, 93,
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-1, 102,
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260, 27,
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261, 27,
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265, 27,
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266, 27,
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267, 27,
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-2, 11,
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-1, 117,
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93, 85,
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-2, 87,
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-1, 122,
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267, 30,
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-2, 29,
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-1, 145,
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275, 33,
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276, 33,
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61, 33,
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277, 33,
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62, 33,
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60, 33,
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278, 33,
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279, 33,
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280, 33,
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43, 33,
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45, 33,
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42, 33,
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47, 33,
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-2, 70,
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};
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# define YYNPROD 105
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# define YYLAST 318
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int yyact[]={
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54, 52, 136, 53, 13, 55, 54, 52, 14, 53,
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15, 55, 5, 166, 18, 6, 129, 21, 47, 46,
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48, 107, 104, 97, 47, 46, 48, 54, 52, 80,
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53, 21, 55, 54, 52, 40, 53, 9, 55, 54,
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52, 158, 53, 160, 55, 47, 46, 48, 159, 101,
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81, 47, 46, 48, 10, 54, 52, 126, 53, 67,
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55, 54, 52, 60, 53, 155, 55, 148, 149, 135,
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147, 108, 150, 47, 46, 48, 73, 23, 75, 47,
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46, 48, 7, 25, 38, 153, 26, 164, 27, 117,
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61, 62, 74, 11, 76, 54, 24, 127, 65, 66,
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55, 37, 154, 151, 103, 111, 72, 28, 93, 94,
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82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
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92, 116, 59, 77, 54, 52, 118, 53, 99, 55,
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110, 95, 64, 44, 70, 109, 29, 33, 105, 106,
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42, 112, 41, 165, 139, 19, 17, 152, 79, 123,
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43, 119, 20, 114, 113, 98, 63, 144, 143, 122,
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68, 39, 36, 130, 35, 120, 12, 8, 102, 125,
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128, 141, 78, 69, 70, 71, 142, 131, 132, 140,
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22, 124, 4, 3, 2, 121, 96, 138, 146, 137,
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134, 157, 133, 115, 16, 1, 0, 0, 0, 0,
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0, 0, 0, 156, 0, 0, 0, 0, 161, 0,
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0, 0, 0, 162, 0, 0, 0, 168, 0, 172,
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145, 163, 171, 0, 174, 0, 0, 0, 169, 156,
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167, 170, 173, 57, 58, 49, 50, 51, 56, 57,
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58, 49, 50, 51, 56, 175, 0, 0, 100, 0,
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45, 0, 0, 0, 0, 70, 0, 0, 0, 0,
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57, 58, 49, 50, 51, 56, 57, 58, 49, 50,
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51, 56, 0, 0, 0, 0, 0, 56, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 57, 58,
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49, 50, 51, 56, 0, 0, 49, 50, 51, 56,
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32, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 30, 0, 21, 31, 0, 34 };
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int yypact[]={
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|
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-1000, -258, -1000, -1000, -1000, -234, -1000, 34, -254, -1000,
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-1000, -1000, -1000, 43, -1000, -1000, 40, -1000, -236, -1000,
|
|
-1000, -1000, 93, -9, -1000, 43, 43, 43, 92, -1000,
|
|
-1000, -1000, -1000, -1000, 43, 43, -1000, 43, -240, 62,
|
|
31, -13, 48, 83, -242, -1000, 43, 43, 43, 43,
|
|
43, 43, 43, 43, 43, 43, 43, -1000, -1000, 90,
|
|
13, -1000, -1000, -248, 43, 19, -15, -216, -1000, 60,
|
|
-1000, -1000, -249, -1000, -1000, 43, -250, 43, 89, 61,
|
|
-1000, -1000, -3, -3, -3, -3, -3, -3, 53, 53,
|
|
-1000, -1000, 82, -1000, -1000, -1000, -2, -1000, 85, 13,
|
|
-1000, 43, -1000, -1000, 31, 43, -36, -1000, 56, 60,
|
|
-1000, -255, -1000, 43, 43, -1000, -269, -1000, -1000, -1000,
|
|
13, 34, -1000, 43, -1000, 13, -1000, -1000, -1000, -1000,
|
|
-193, 19, 19, -53, 59, -1000, -1000, -8, 58, 43,
|
|
-1000, -1000, -1000, -1000, -226, -1000, -218, -223, -1000, 43,
|
|
-1000, -269, 26, -1000, -1000, -1000, 13, -253, 43, -1000,
|
|
-1000, -1000, -42, -1000, 43, 43, -1000, 34, -1000, 13,
|
|
-1000, -1000, -1000, -1000, -193, -1000 };
|
|
int yypgo[]={
|
|
|
|
0, 195, 50, 96, 71, 135, 194, 193, 192, 190,
|
|
189, 187, 136, 186, 184, 82, 54, 183, 182, 180,
|
|
172, 170, 59, 168, 167, 166, 63, 70, 164, 162,
|
|
137, 161, 160, 159, 158, 157, 156, 155, 154, 153,
|
|
152, 150, 149, 148, 69, 147, 144, 65, 143, 142,
|
|
140, 76, 138 };
|
|
int yyr1[]={
|
|
|
|
0, 1, 14, 1, 1, 1, 19, 21, 17, 23,
|
|
23, 24, 15, 16, 16, 25, 28, 25, 29, 25,
|
|
25, 25, 25, 27, 27, 27, 32, 33, 22, 34,
|
|
35, 34, 2, 26, 3, 3, 3, 3, 3, 3,
|
|
3, 3, 3, 3, 3, 3, 3, 3, 36, 3,
|
|
3, 3, 3, 3, 3, 3, 3, 38, 3, 39,
|
|
3, 37, 37, 41, 30, 40, 4, 4, 5, 42,
|
|
5, 20, 20, 43, 43, 13, 13, 7, 7, 8,
|
|
8, 9, 9, 45, 44, 10, 10, 46, 11, 48,
|
|
11, 47, 6, 6, 12, 49, 12, 50, 12, 31,
|
|
31, 51, 52, 51, 18 };
|
|
int yyr2[]={
|
|
|
|
0, 0, 1, 9, 4, 4, 1, 1, 19, 0,
|
|
6, 1, 4, 0, 2, 17, 1, 17, 1, 13,
|
|
7, 3, 4, 0, 4, 15, 1, 1, 9, 0,
|
|
1, 9, 1, 3, 7, 7, 7, 7, 7, 7,
|
|
7, 7, 7, 7, 7, 7, 5, 5, 1, 9,
|
|
9, 3, 3, 3, 3, 3, 5, 1, 11, 1,
|
|
11, 1, 2, 1, 11, 3, 1, 3, 3, 1,
|
|
9, 0, 2, 3, 7, 1, 3, 7, 7, 1,
|
|
3, 3, 7, 1, 9, 1, 3, 1, 5, 1,
|
|
9, 3, 3, 7, 3, 1, 11, 1, 9, 5,
|
|
9, 1, 1, 6, 3 };
|
|
int yychk[]={
|
|
|
|
-1000, -1, -14, -17, -18, 270, 273, -15, -24, 271,
|
|
-16, 59, -25, 258, 262, 264, -6, -30, 268, -12,
|
|
-40, 271, -19, -26, -3, 40, 43, 45, 64, -12,
|
|
269, 272, 257, -30, 274, -28, -29, 61, 44, -31,
|
|
271, -49, -50, -41, 40, 259, 61, 60, 62, 277,
|
|
278, 279, 43, 45, 42, 47, 280, 275, 276, -3,
|
|
-26, -26, -26, -36, 40, -26, -26, -22, -32, -5,
|
|
-3, -12, 44, -51, 61, 91, 46, 40, -20, -43,
|
|
271, -2, -26, -26, -26, -26, -26, -26, -26, -26,
|
|
-26, -26, -26, -2, -2, 41, -13, 271, -37, -26,
|
|
263, 265, -23, 44, 271, -52, -26, 271, -4, -5,
|
|
41, 44, -22, -38, -39, -7, 123, 91, 41, -2,
|
|
-26, -15, -33, -42, -51, -26, 93, 41, -21, 271,
|
|
-2, -26, -26, -8, -9, -44, 271, -10, -11, -46,
|
|
-22, -2, -16, -34, -35, -3, -22, -27, 260, 261,
|
|
125, 44, -45, 93, 44, -47, -26, -2, 267, 266,
|
|
266, -22, -26, -44, 61, -48, 266, -4, 259, -26,
|
|
-47, -16, -2, -22, -2, -27 };
|
|
int yydef[]={
|
|
|
|
1, -2, 11, 4, 5, 0, 104, 13, 0, 6,
|
|
3, 14, 12, 0, 16, 18, 0, 21, 0, -2,
|
|
63, 94, 0, 0, 33, 0, 0, 0, 48, -2,
|
|
52, 53, 54, 55, 0, 0, 26, 0, 0, 22,
|
|
101, 0, 0, 0, 71, 32, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 32, 32, 33,
|
|
0, 46, 47, 75, 61, 56, 0, 0, 9, 20,
|
|
-2, -2, 0, 99, 102, 0, 0, 66, 0, 72,
|
|
73, 26, 35, 36, 37, 38, 39, 40, 41, 42,
|
|
43, 44, 45, 57, 59, 34, 0, 76, 0, 62,
|
|
32, 0, -2, 69, 101, 0, 0, 98, 0, 67,
|
|
7, 0, 32, 0, 0, 49, 79, -2, 50, 26,
|
|
32, 13, -2, 0, 100, 103, 96, 64, 26, 74,
|
|
23, 58, 60, 0, 80, 81, 83, 0, 86, 0,
|
|
32, 19, 10, 28, 0, -2, 0, 0, 26, 0,
|
|
77, 0, 0, 78, 89, 88, 91, 0, 66, 8,
|
|
15, 24, 0, 82, 0, 0, 17, 13, 32, 84,
|
|
90, 31, 26, 32, 23, 25 };
|
|
typedef struct { char *t_name; int t_val; } yytoktype;
|
|
#ifndef YYDEBUG
|
|
# define YYDEBUG 0 /* don't allow debugging */
|
|
#endif
|
|
|
|
#if YYDEBUG
|
|
|
|
yytoktype yytoks[] =
|
|
{
|
|
"NIL", 257,
|
|
"IF", 258,
|
|
"THEN", 259,
|
|
"ELSE", 260,
|
|
"ELSEIF", 261,
|
|
"WHILE", 262,
|
|
"DO", 263,
|
|
"REPEAT", 264,
|
|
"UNTIL", 265,
|
|
"END", 266,
|
|
"RETURN", 267,
|
|
"LOCAL", 268,
|
|
"NUMBER", 269,
|
|
"FUNCTION", 270,
|
|
"NAME", 271,
|
|
"STRING", 272,
|
|
"DEBUG", 273,
|
|
"NOT", 274,
|
|
"AND", 275,
|
|
"OR", 276,
|
|
"=", 61,
|
|
"NE", 277,
|
|
">", 62,
|
|
"<", 60,
|
|
"LE", 278,
|
|
"GE", 279,
|
|
"CONC", 280,
|
|
"+", 43,
|
|
"-", 45,
|
|
"*", 42,
|
|
"/", 47,
|
|
"%", 37,
|
|
"UNARY", 281,
|
|
"-unknown-", -1 /* ends search */
|
|
};
|
|
|
|
char * yyreds[] =
|
|
{
|
|
"-no such reduction-",
|
|
"functionlist : /* empty */",
|
|
"functionlist : functionlist",
|
|
"functionlist : functionlist stat sc",
|
|
"functionlist : functionlist function",
|
|
"functionlist : functionlist setdebug",
|
|
"function : FUNCTION NAME",
|
|
"function : FUNCTION NAME '(' parlist ')'",
|
|
"function : FUNCTION NAME '(' parlist ')' block END",
|
|
"statlist : /* empty */",
|
|
"statlist : statlist stat sc",
|
|
"stat : /* empty */",
|
|
"stat : stat1",
|
|
"sc : /* empty */",
|
|
"sc : ';'",
|
|
"stat1 : IF expr1 THEN PrepJump block PrepJump elsepart END",
|
|
"stat1 : WHILE",
|
|
"stat1 : WHILE expr1 DO PrepJump block PrepJump END",
|
|
"stat1 : REPEAT",
|
|
"stat1 : REPEAT block UNTIL expr1 PrepJump",
|
|
"stat1 : varlist1 '=' exprlist1",
|
|
"stat1 : functioncall",
|
|
"stat1 : LOCAL declist",
|
|
"elsepart : /* empty */",
|
|
"elsepart : ELSE block",
|
|
"elsepart : ELSEIF expr1 THEN PrepJump block PrepJump elsepart",
|
|
"block : /* empty */",
|
|
"block : statlist",
|
|
"block : statlist ret",
|
|
"ret : /* empty */",
|
|
"ret : /* empty */",
|
|
"ret : RETURN exprlist sc",
|
|
"PrepJump : /* empty */",
|
|
"expr1 : expr",
|
|
"expr : '(' expr ')'",
|
|
"expr : expr1 '=' expr1",
|
|
"expr : expr1 '<' expr1",
|
|
"expr : expr1 '>' expr1",
|
|
"expr : expr1 NE expr1",
|
|
"expr : expr1 LE expr1",
|
|
"expr : expr1 GE expr1",
|
|
"expr : expr1 '+' expr1",
|
|
"expr : expr1 '-' expr1",
|
|
"expr : expr1 '*' expr1",
|
|
"expr : expr1 '/' expr1",
|
|
"expr : expr1 CONC expr1",
|
|
"expr : '+' expr1",
|
|
"expr : '-' expr1",
|
|
"expr : '@'",
|
|
"expr : '@' objectname fieldlist",
|
|
"expr : '@' '(' dimension ')'",
|
|
"expr : var",
|
|
"expr : NUMBER",
|
|
"expr : STRING",
|
|
"expr : NIL",
|
|
"expr : functioncall",
|
|
"expr : NOT expr1",
|
|
"expr : expr1 AND PrepJump",
|
|
"expr : expr1 AND PrepJump expr1",
|
|
"expr : expr1 OR PrepJump",
|
|
"expr : expr1 OR PrepJump expr1",
|
|
"dimension : /* empty */",
|
|
"dimension : expr1",
|
|
"functioncall : functionvalue",
|
|
"functioncall : functionvalue '(' exprlist ')'",
|
|
"functionvalue : var",
|
|
"exprlist : /* empty */",
|
|
"exprlist : exprlist1",
|
|
"exprlist1 : expr",
|
|
"exprlist1 : exprlist1 ','",
|
|
"exprlist1 : exprlist1 ',' expr",
|
|
"parlist : /* empty */",
|
|
"parlist : parlist1",
|
|
"parlist1 : NAME",
|
|
"parlist1 : parlist1 ',' NAME",
|
|
"objectname : /* empty */",
|
|
"objectname : NAME",
|
|
"fieldlist : '{' ffieldlist '}'",
|
|
"fieldlist : '[' lfieldlist ']'",
|
|
"ffieldlist : /* empty */",
|
|
"ffieldlist : ffieldlist1",
|
|
"ffieldlist1 : ffield",
|
|
"ffieldlist1 : ffieldlist1 ',' ffield",
|
|
"ffield : NAME",
|
|
"ffield : NAME '=' expr1",
|
|
"lfieldlist : /* empty */",
|
|
"lfieldlist : lfieldlist1",
|
|
"lfieldlist1 : /* empty */",
|
|
"lfieldlist1 : lfield",
|
|
"lfieldlist1 : lfieldlist1 ','",
|
|
"lfieldlist1 : lfieldlist1 ',' lfield",
|
|
"lfield : expr1",
|
|
"varlist1 : var",
|
|
"varlist1 : varlist1 ',' var",
|
|
"var : NAME",
|
|
"var : var",
|
|
"var : var '[' expr1 ']'",
|
|
"var : var",
|
|
"var : var '.' NAME",
|
|
"declist : NAME init",
|
|
"declist : declist ',' NAME init",
|
|
"init : /* empty */",
|
|
"init : '='",
|
|
"init : '=' expr1",
|
|
"setdebug : DEBUG",
|
|
};
|
|
#endif /* YYDEBUG */
|
|
#line 1 "/usr/lib/yaccpar"
|
|
/* @(#)yaccpar 1.10 89/04/04 SMI; from S5R3 1.10 */
|
|
|
|
/*
|
|
** Skeleton parser driver for yacc output
|
|
*/
|
|
|
|
/*
|
|
** yacc user known macros and defines
|
|
*/
|
|
#define YYERROR goto yyerrlab
|
|
#define YYACCEPT { free(yys); free(yyv); return(0); }
|
|
#define YYABORT { free(yys); free(yyv); return(1); }
|
|
#define YYBACKUP( newtoken, newvalue )\
|
|
{\
|
|
if ( yychar >= 0 || ( yyr2[ yytmp ] >> 1 ) != 1 )\
|
|
{\
|
|
yyerror( "syntax error - cannot backup" );\
|
|
goto yyerrlab;\
|
|
}\
|
|
yychar = newtoken;\
|
|
yystate = *yyps;\
|
|
yylval = newvalue;\
|
|
goto yynewstate;\
|
|
}
|
|
#define YYRECOVERING() (!!yyerrflag)
|
|
#ifndef YYDEBUG
|
|
# define YYDEBUG 1 /* make debugging available */
|
|
#endif
|
|
|
|
/*
|
|
** user known globals
|
|
*/
|
|
int yydebug; /* set to 1 to get debugging */
|
|
|
|
/*
|
|
** driver internal defines
|
|
*/
|
|
#define YYFLAG (-1000)
|
|
|
|
/*
|
|
** static variables used by the parser
|
|
*/
|
|
static YYSTYPE *yyv; /* value stack */
|
|
static int *yys; /* state stack */
|
|
|
|
static YYSTYPE *yypv; /* top of value stack */
|
|
static int *yyps; /* top of state stack */
|
|
|
|
static int yystate; /* current state */
|
|
static int yytmp; /* extra var (lasts between blocks) */
|
|
|
|
int yynerrs; /* number of errors */
|
|
|
|
int yyerrflag; /* error recovery flag */
|
|
int yychar; /* current input token number */
|
|
|
|
|
|
/*
|
|
** yyparse - return 0 if worked, 1 if syntax error not recovered from
|
|
*/
|
|
int
|
|
yyparse()
|
|
{
|
|
register YYSTYPE *yypvt; /* top of value stack for $vars */
|
|
unsigned yymaxdepth = YYMAXDEPTH;
|
|
|
|
/*
|
|
** Initialize externals - yyparse may be called more than once
|
|
*/
|
|
yyv = (YYSTYPE*)malloc(yymaxdepth*sizeof(YYSTYPE));
|
|
yys = (int*)malloc(yymaxdepth*sizeof(int));
|
|
if (!yyv || !yys)
|
|
{
|
|
yyerror( "out of memory" );
|
|
return(1);
|
|
}
|
|
yypv = &yyv[-1];
|
|
yyps = &yys[-1];
|
|
yystate = 0;
|
|
yytmp = 0;
|
|
yynerrs = 0;
|
|
yyerrflag = 0;
|
|
yychar = -1;
|
|
|
|
goto yystack;
|
|
{
|
|
register YYSTYPE *yy_pv; /* top of value stack */
|
|
register int *yy_ps; /* top of state stack */
|
|
register int yy_state; /* current state */
|
|
register int yy_n; /* internal state number info */
|
|
|
|
/*
|
|
** get globals into registers.
|
|
** branch to here only if YYBACKUP was called.
|
|
*/
|
|
yynewstate:
|
|
yy_pv = yypv;
|
|
yy_ps = yyps;
|
|
yy_state = yystate;
|
|
goto yy_newstate;
|
|
|
|
/*
|
|
** get globals into registers.
|
|
** either we just started, or we just finished a reduction
|
|
*/
|
|
yystack:
|
|
yy_pv = yypv;
|
|
yy_ps = yyps;
|
|
yy_state = yystate;
|
|
|
|
/*
|
|
** top of for (;;) loop while no reductions done
|
|
*/
|
|
yy_stack:
|
|
/*
|
|
** put a state and value onto the stacks
|
|
*/
|
|
#if YYDEBUG
|
|
/*
|
|
** if debugging, look up token value in list of value vs.
|
|
** name pairs. 0 and negative (-1) are special values.
|
|
** Note: linear search is used since time is not a real
|
|
** consideration while debugging.
|
|
*/
|
|
if ( yydebug )
|
|
{
|
|
register int yy_i;
|
|
|
|
(void)printf( "State %d, token ", yy_state );
|
|
if ( yychar == 0 )
|
|
(void)printf( "end-of-file\n" );
|
|
else if ( yychar < 0 )
|
|
(void)printf( "-none-\n" );
|
|
else
|
|
{
|
|
for ( yy_i = 0; yytoks[yy_i].t_val >= 0;
|
|
yy_i++ )
|
|
{
|
|
if ( yytoks[yy_i].t_val == yychar )
|
|
break;
|
|
}
|
|
(void)printf( "%s\n", yytoks[yy_i].t_name );
|
|
}
|
|
}
|
|
#endif /* YYDEBUG */
|
|
if ( ++yy_ps >= &yys[ yymaxdepth ] ) /* room on stack? */
|
|
{
|
|
/*
|
|
** reallocate and recover. Note that pointers
|
|
** have to be reset, or bad things will happen
|
|
*/
|
|
int yyps_index = (yy_ps - yys);
|
|
int yypv_index = (yy_pv - yyv);
|
|
int yypvt_index = (yypvt - yyv);
|
|
yymaxdepth += YYMAXDEPTH;
|
|
yyv = (YYSTYPE*)realloc((char*)yyv,
|
|
yymaxdepth * sizeof(YYSTYPE));
|
|
yys = (int*)realloc((char*)yys,
|
|
yymaxdepth * sizeof(int));
|
|
if (!yyv || !yys)
|
|
{
|
|
yyerror( "yacc stack overflow" );
|
|
return(1);
|
|
}
|
|
yy_ps = yys + yyps_index;
|
|
yy_pv = yyv + yypv_index;
|
|
yypvt = yyv + yypvt_index;
|
|
}
|
|
*yy_ps = yy_state;
|
|
*++yy_pv = yyval;
|
|
|
|
/*
|
|
** we have a new state - find out what to do
|
|
*/
|
|
yy_newstate:
|
|
if ( ( yy_n = yypact[ yy_state ] ) <= YYFLAG )
|
|
goto yydefault; /* simple state */
|
|
#if YYDEBUG
|
|
/*
|
|
** if debugging, need to mark whether new token grabbed
|
|
*/
|
|
yytmp = yychar < 0;
|
|
#endif
|
|
if ( ( yychar < 0 ) && ( ( yychar = yylex() ) < 0 ) )
|
|
yychar = 0; /* reached EOF */
|
|
#if YYDEBUG
|
|
if ( yydebug && yytmp )
|
|
{
|
|
register int yy_i;
|
|
|
|
(void)printf( "Received token " );
|
|
if ( yychar == 0 )
|
|
(void)printf( "end-of-file\n" );
|
|
else if ( yychar < 0 )
|
|
(void)printf( "-none-\n" );
|
|
else
|
|
{
|
|
for ( yy_i = 0; yytoks[yy_i].t_val >= 0;
|
|
yy_i++ )
|
|
{
|
|
if ( yytoks[yy_i].t_val == yychar )
|
|
break;
|
|
}
|
|
(void)printf( "%s\n", yytoks[yy_i].t_name );
|
|
}
|
|
}
|
|
#endif /* YYDEBUG */
|
|
if ( ( ( yy_n += yychar ) < 0 ) || ( yy_n >= YYLAST ) )
|
|
goto yydefault;
|
|
if ( yychk[ yy_n = yyact[ yy_n ] ] == yychar ) /*valid shift*/
|
|
{
|
|
yychar = -1;
|
|
yyval = yylval;
|
|
yy_state = yy_n;
|
|
if ( yyerrflag > 0 )
|
|
yyerrflag--;
|
|
goto yy_stack;
|
|
}
|
|
|
|
yydefault:
|
|
if ( ( yy_n = yydef[ yy_state ] ) == -2 )
|
|
{
|
|
#if YYDEBUG
|
|
yytmp = yychar < 0;
|
|
#endif
|
|
if ( ( yychar < 0 ) && ( ( yychar = yylex() ) < 0 ) )
|
|
yychar = 0; /* reached EOF */
|
|
#if YYDEBUG
|
|
if ( yydebug && yytmp )
|
|
{
|
|
register int yy_i;
|
|
|
|
(void)printf( "Received token " );
|
|
if ( yychar == 0 )
|
|
(void)printf( "end-of-file\n" );
|
|
else if ( yychar < 0 )
|
|
(void)printf( "-none-\n" );
|
|
else
|
|
{
|
|
for ( yy_i = 0;
|
|
yytoks[yy_i].t_val >= 0;
|
|
yy_i++ )
|
|
{
|
|
if ( yytoks[yy_i].t_val
|
|
== yychar )
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
(void)printf( "%s\n", yytoks[yy_i].t_name );
|
|
}
|
|
}
|
|
#endif /* YYDEBUG */
|
|
/*
|
|
** look through exception table
|
|
*/
|
|
{
|
|
register int *yyxi = yyexca;
|
|
|
|
while ( ( *yyxi != -1 ) ||
|
|
( yyxi[1] != yy_state ) )
|
|
{
|
|
yyxi += 2;
|
|
}
|
|
while ( ( *(yyxi += 2) >= 0 ) &&
|
|
( *yyxi != yychar ) )
|
|
;
|
|
if ( ( yy_n = yyxi[1] ) < 0 )
|
|
YYACCEPT;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** check for syntax error
|
|
*/
|
|
if ( yy_n == 0 ) /* have an error */
|
|
{
|
|
/* no worry about speed here! */
|
|
switch ( yyerrflag )
|
|
{
|
|
case 0: /* new error */
|
|
yyerror( "syntax error" );
|
|
goto skip_init;
|
|
yyerrlab:
|
|
/*
|
|
** get globals into registers.
|
|
** we have a user generated syntax type error
|
|
*/
|
|
yy_pv = yypv;
|
|
yy_ps = yyps;
|
|
yy_state = yystate;
|
|
yynerrs++;
|
|
skip_init:
|
|
case 1:
|
|
case 2: /* incompletely recovered error */
|
|
/* try again... */
|
|
yyerrflag = 3;
|
|
/*
|
|
** find state where "error" is a legal
|
|
** shift action
|
|
*/
|
|
while ( yy_ps >= yys )
|
|
{
|
|
yy_n = yypact[ *yy_ps ] + YYERRCODE;
|
|
if ( yy_n >= 0 && yy_n < YYLAST &&
|
|
yychk[yyact[yy_n]] == YYERRCODE) {
|
|
/*
|
|
** simulate shift of "error"
|
|
*/
|
|
yy_state = yyact[ yy_n ];
|
|
goto yy_stack;
|
|
}
|
|
/*
|
|
** current state has no shift on
|
|
** "error", pop stack
|
|
*/
|
|
#if YYDEBUG
|
|
# define _POP_ "Error recovery pops state %d, uncovers state %d\n"
|
|
if ( yydebug )
|
|
(void)printf( _POP_, *yy_ps,
|
|
yy_ps[-1] );
|
|
# undef _POP_
|
|
#endif
|
|
yy_ps--;
|
|
yy_pv--;
|
|
}
|
|
/*
|
|
** there is no state on stack with "error" as
|
|
** a valid shift. give up.
|
|
*/
|
|
YYABORT;
|
|
case 3: /* no shift yet; eat a token */
|
|
#if YYDEBUG
|
|
/*
|
|
** if debugging, look up token in list of
|
|
** pairs. 0 and negative shouldn't occur,
|
|
** but since timing doesn't matter when
|
|
** debugging, it doesn't hurt to leave the
|
|
** tests here.
|
|
*/
|
|
if ( yydebug )
|
|
{
|
|
register int yy_i;
|
|
|
|
(void)printf( "Error recovery discards " );
|
|
if ( yychar == 0 )
|
|
(void)printf( "token end-of-file\n" );
|
|
else if ( yychar < 0 )
|
|
(void)printf( "token -none-\n" );
|
|
else
|
|
{
|
|
for ( yy_i = 0;
|
|
yytoks[yy_i].t_val >= 0;
|
|
yy_i++ )
|
|
{
|
|
if ( yytoks[yy_i].t_val
|
|
== yychar )
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
(void)printf( "token %s\n",
|
|
yytoks[yy_i].t_name );
|
|
}
|
|
}
|
|
#endif /* YYDEBUG */
|
|
if ( yychar == 0 ) /* reached EOF. quit */
|
|
YYABORT;
|
|
yychar = -1;
|
|
goto yy_newstate;
|
|
}
|
|
}/* end if ( yy_n == 0 ) */
|
|
/*
|
|
** reduction by production yy_n
|
|
** put stack tops, etc. so things right after switch
|
|
*/
|
|
#if YYDEBUG
|
|
/*
|
|
** if debugging, print the string that is the user's
|
|
** specification of the reduction which is just about
|
|
** to be done.
|
|
*/
|
|
if ( yydebug )
|
|
(void)printf( "Reduce by (%d) \"%s\"\n",
|
|
yy_n, yyreds[ yy_n ] );
|
|
#endif
|
|
yytmp = yy_n; /* value to switch over */
|
|
yypvt = yy_pv; /* $vars top of value stack */
|
|
/*
|
|
** Look in goto table for next state
|
|
** Sorry about using yy_state here as temporary
|
|
** register variable, but why not, if it works...
|
|
** If yyr2[ yy_n ] doesn't have the low order bit
|
|
** set, then there is no action to be done for
|
|
** this reduction. So, no saving & unsaving of
|
|
** registers done. The only difference between the
|
|
** code just after the if and the body of the if is
|
|
** the goto yy_stack in the body. This way the test
|
|
** can be made before the choice of what to do is needed.
|
|
*/
|
|
{
|
|
/* length of production doubled with extra bit */
|
|
register int yy_len = yyr2[ yy_n ];
|
|
|
|
if ( !( yy_len & 01 ) )
|
|
{
|
|
yy_len >>= 1;
|
|
yyval = ( yy_pv -= yy_len )[1]; /* $$ = $1 */
|
|
yy_state = yypgo[ yy_n = yyr1[ yy_n ] ] +
|
|
*( yy_ps -= yy_len ) + 1;
|
|
if ( yy_state >= YYLAST ||
|
|
yychk[ yy_state =
|
|
yyact[ yy_state ] ] != -yy_n )
|
|
{
|
|
yy_state = yyact[ yypgo[ yy_n ] ];
|
|
}
|
|
goto yy_stack;
|
|
}
|
|
yy_len >>= 1;
|
|
yyval = ( yy_pv -= yy_len )[1]; /* $$ = $1 */
|
|
yy_state = yypgo[ yy_n = yyr1[ yy_n ] ] +
|
|
*( yy_ps -= yy_len ) + 1;
|
|
if ( yy_state >= YYLAST ||
|
|
yychk[ yy_state = yyact[ yy_state ] ] != -yy_n )
|
|
{
|
|
yy_state = yyact[ yypgo[ yy_n ] ];
|
|
}
|
|
}
|
|
/* save until reenter driver code */
|
|
yystate = yy_state;
|
|
yyps = yy_ps;
|
|
yypv = yy_pv;
|
|
}
|
|
/*
|
|
** code supplied by user is placed in this switch
|
|
*/
|
|
switch( yytmp )
|
|
{
|
|
|
|
case 2:
|
|
# line 179 "lua.stx"
|
|
{pc=basepc=maincode; nlocalvar=0;} break;
|
|
case 3:
|
|
# line 179 "lua.stx"
|
|
{maincode=pc;} break;
|
|
case 6:
|
|
# line 184 "lua.stx"
|
|
{pc=basepc=code; nlocalvar=0;} break;
|
|
case 7:
|
|
# line 185 "lua.stx"
|
|
{
|
|
if (lua_debug)
|
|
{
|
|
align(Word);
|
|
code_byte(SETFUNCTION);
|
|
code_word(yypvt[-5].vWord);
|
|
code_word(yypvt[-4].vWord);
|
|
}
|
|
lua_codeadjust (0);
|
|
} break;
|
|
case 8:
|
|
# line 197 "lua.stx"
|
|
{
|
|
if (lua_debug) code_byte(RESET);
|
|
code_byte(RETCODE); code_byte(nlocalvar);
|
|
s_tag(yypvt[-7].vWord) = T_FUNCTION;
|
|
s_bvalue(yypvt[-7].vWord) = calloc (pc-code, sizeof(Byte));
|
|
memcpy (s_bvalue(yypvt[-7].vWord), code, (pc-code)*sizeof(Byte));
|
|
} break;
|
|
case 11:
|
|
# line 210 "lua.stx"
|
|
{
|
|
ntemp = 0;
|
|
if (lua_debug)
|
|
{
|
|
align(Word); code_byte(SETLINE); code_word(lua_linenumber);
|
|
}
|
|
} break;
|
|
case 15:
|
|
# line 223 "lua.stx"
|
|
{
|
|
{
|
|
Byte *elseinit = yypvt[-2].pByte + sizeof(Word)+1;
|
|
if (pc - elseinit == 0) /* no else */
|
|
{
|
|
pc -= sizeof(Word)+1;
|
|
/* if (*(pc-1) == NOP) --pc; */
|
|
elseinit = pc;
|
|
}
|
|
else
|
|
{
|
|
*(yypvt[-2].pByte) = JMP;
|
|
*((Word *)(yypvt[-2].pByte+1)) = pc - elseinit;
|
|
}
|
|
*(yypvt[-4].pByte) = IFFJMP;
|
|
*((Word *)(yypvt[-4].pByte+1)) = elseinit - (yypvt[-4].pByte + sizeof(Word)+1);
|
|
}
|
|
} break;
|
|
case 16:
|
|
# line 242 "lua.stx"
|
|
{yyval.pByte = pc;} break;
|
|
case 17:
|
|
# line 244 "lua.stx"
|
|
{
|
|
*(yypvt[-3].pByte) = IFFJMP;
|
|
*((Word *)(yypvt[-3].pByte+1)) = pc - (yypvt[-3].pByte + sizeof(Word)+1);
|
|
|
|
*(yypvt[-1].pByte) = UPJMP;
|
|
*((Word *)(yypvt[-1].pByte+1)) = pc - yypvt[-6].pByte;
|
|
} break;
|
|
case 18:
|
|
# line 252 "lua.stx"
|
|
{yyval.pByte = pc;} break;
|
|
case 19:
|
|
# line 254 "lua.stx"
|
|
{
|
|
*(yypvt[-0].pByte) = IFFUPJMP;
|
|
*((Word *)(yypvt[-0].pByte+1)) = pc - yypvt[-4].pByte;
|
|
} break;
|
|
case 20:
|
|
# line 261 "lua.stx"
|
|
{
|
|
{
|
|
int i;
|
|
if (yypvt[-0].vInt == 0 || nvarbuffer != ntemp - yypvt[-2].vInt * 2)
|
|
lua_codeadjust (yypvt[-2].vInt * 2 + nvarbuffer);
|
|
for (i=nvarbuffer-1; i>=0; i--)
|
|
lua_codestore (i);
|
|
if (yypvt[-2].vInt > 1 || (yypvt[-2].vInt == 1 && varbuffer[0] != 0))
|
|
lua_codeadjust (0);
|
|
}
|
|
} break;
|
|
case 21:
|
|
# line 272 "lua.stx"
|
|
{ lua_codeadjust (0); } break;
|
|
case 25:
|
|
# line 279 "lua.stx"
|
|
{
|
|
{
|
|
Byte *elseinit = yypvt[-1].pByte + sizeof(Word)+1;
|
|
if (pc - elseinit == 0) /* no else */
|
|
{
|
|
pc -= sizeof(Word)+1;
|
|
/* if (*(pc-1) == NOP) --pc; */
|
|
elseinit = pc;
|
|
}
|
|
else
|
|
{
|
|
*(yypvt[-1].pByte) = JMP;
|
|
*((Word *)(yypvt[-1].pByte+1)) = pc - elseinit;
|
|
}
|
|
*(yypvt[-3].pByte) = IFFJMP;
|
|
*((Word *)(yypvt[-3].pByte+1)) = elseinit - (yypvt[-3].pByte + sizeof(Word)+1);
|
|
}
|
|
} break;
|
|
case 26:
|
|
# line 299 "lua.stx"
|
|
{yyval.vInt = nlocalvar;} break;
|
|
case 27:
|
|
# line 299 "lua.stx"
|
|
{ntemp = 0;} break;
|
|
case 28:
|
|
# line 300 "lua.stx"
|
|
{
|
|
if (nlocalvar != yypvt[-3].vInt)
|
|
{
|
|
nlocalvar = yypvt[-3].vInt;
|
|
lua_codeadjust (0);
|
|
}
|
|
} break;
|
|
case 30:
|
|
# line 310 "lua.stx"
|
|
{ if (lua_debug){align(Word);code_byte(SETLINE);code_word(lua_linenumber);}} break;
|
|
case 31:
|
|
# line 312 "lua.stx"
|
|
{
|
|
if (lua_debug) code_byte(RESET);
|
|
code_byte(RETCODE); code_byte(nlocalvar);
|
|
} break;
|
|
case 32:
|
|
# line 319 "lua.stx"
|
|
{
|
|
align(Word);
|
|
yyval.pByte = pc;
|
|
code_byte(0); /* open space */
|
|
code_word (0);
|
|
} break;
|
|
case 33:
|
|
# line 326 "lua.stx"
|
|
{ if (yypvt[-0].vInt == 0) {lua_codeadjust (ntemp+1); incr_ntemp();}} break;
|
|
case 34:
|
|
# line 329 "lua.stx"
|
|
{ yyval.vInt = yypvt[-1].vInt; } break;
|
|
case 35:
|
|
# line 330 "lua.stx"
|
|
{ code_byte(EQOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 36:
|
|
# line 331 "lua.stx"
|
|
{ code_byte(LTOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 37:
|
|
# line 332 "lua.stx"
|
|
{ code_byte(LEOP); code_byte(NOTOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 38:
|
|
# line 333 "lua.stx"
|
|
{ code_byte(EQOP); code_byte(NOTOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 39:
|
|
# line 334 "lua.stx"
|
|
{ code_byte(LEOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 40:
|
|
# line 335 "lua.stx"
|
|
{ code_byte(LTOP); code_byte(NOTOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 41:
|
|
# line 336 "lua.stx"
|
|
{ code_byte(ADDOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 42:
|
|
# line 337 "lua.stx"
|
|
{ code_byte(SUBOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 43:
|
|
# line 338 "lua.stx"
|
|
{ code_byte(MULTOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 44:
|
|
# line 339 "lua.stx"
|
|
{ code_byte(DIVOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 45:
|
|
# line 340 "lua.stx"
|
|
{ code_byte(CONCOP); yyval.vInt = 1; ntemp--;} break;
|
|
case 46:
|
|
# line 341 "lua.stx"
|
|
{ yyval.vInt = 1; } break;
|
|
case 47:
|
|
# line 342 "lua.stx"
|
|
{ code_byte(MINUSOP); yyval.vInt = 1;} break;
|
|
case 48:
|
|
# line 344 "lua.stx"
|
|
{
|
|
code_byte(PUSHBYTE);
|
|
yyval.pByte = pc; code_byte(0);
|
|
incr_ntemp();
|
|
code_byte(CREATEARRAY);
|
|
} break;
|
|
case 49:
|
|
# line 351 "lua.stx"
|
|
{
|
|
*(yypvt[-2].pByte) = yypvt[-0].vInt;
|
|
if (yypvt[-1].vLong < 0) /* there is no function to be called */
|
|
{
|
|
yyval.vInt = 1;
|
|
}
|
|
else
|
|
{
|
|
lua_pushvar (yypvt[-1].vLong+1);
|
|
code_byte(PUSHMARK);
|
|
incr_ntemp();
|
|
code_byte(PUSHOBJECT);
|
|
incr_ntemp();
|
|
code_byte(CALLFUNC);
|
|
ntemp -= 4;
|
|
yyval.vInt = 0;
|
|
if (lua_debug)
|
|
{
|
|
align(Word); code_byte(SETLINE); code_word(lua_linenumber);
|
|
}
|
|
}
|
|
} break;
|
|
case 50:
|
|
# line 374 "lua.stx"
|
|
{
|
|
code_byte(CREATEARRAY);
|
|
yyval.vInt = 1;
|
|
} break;
|
|
case 51:
|
|
# line 378 "lua.stx"
|
|
{ lua_pushvar (yypvt[-0].vLong); yyval.vInt = 1;} break;
|
|
case 52:
|
|
# line 379 "lua.stx"
|
|
{ code_number(yypvt[-0].vFloat); yyval.vInt = 1; } break;
|
|
case 53:
|
|
# line 381 "lua.stx"
|
|
{
|
|
align(Word);
|
|
code_byte(PUSHSTRING);
|
|
code_word(yypvt[-0].vWord);
|
|
yyval.vInt = 1;
|
|
incr_ntemp();
|
|
} break;
|
|
case 54:
|
|
# line 388 "lua.stx"
|
|
{code_byte(PUSHNIL); yyval.vInt = 1; incr_ntemp();} break;
|
|
case 55:
|
|
# line 390 "lua.stx"
|
|
{
|
|
yyval.vInt = 0;
|
|
if (lua_debug)
|
|
{
|
|
align(Word); code_byte(SETLINE); code_word(lua_linenumber);
|
|
}
|
|
} break;
|
|
case 56:
|
|
# line 397 "lua.stx"
|
|
{ code_byte(NOTOP); yyval.vInt = 1;} break;
|
|
case 57:
|
|
# line 398 "lua.stx"
|
|
{code_byte(POP); ntemp--;} break;
|
|
case 58:
|
|
# line 399 "lua.stx"
|
|
{
|
|
*(yypvt[-2].pByte) = ONFJMP;
|
|
*((Word *)(yypvt[-2].pByte+1)) = pc - (yypvt[-2].pByte + sizeof(Word)+1);
|
|
yyval.vInt = 1;
|
|
} break;
|
|
case 59:
|
|
# line 404 "lua.stx"
|
|
{code_byte(POP); ntemp--;} break;
|
|
case 60:
|
|
# line 405 "lua.stx"
|
|
{
|
|
*(yypvt[-2].pByte) = ONTJMP;
|
|
*((Word *)(yypvt[-2].pByte+1)) = pc - (yypvt[-2].pByte + sizeof(Word)+1);
|
|
yyval.vInt = 1;
|
|
} break;
|
|
case 61:
|
|
# line 412 "lua.stx"
|
|
{ code_byte(PUSHNIL); incr_ntemp();} break;
|
|
case 63:
|
|
# line 416 "lua.stx"
|
|
{code_byte(PUSHMARK); yyval.vInt = ntemp; incr_ntemp();} break;
|
|
case 64:
|
|
# line 417 "lua.stx"
|
|
{ code_byte(CALLFUNC); ntemp = yypvt[-3].vInt-1;} break;
|
|
case 65:
|
|
# line 419 "lua.stx"
|
|
{lua_pushvar (yypvt[-0].vLong); } break;
|
|
case 66:
|
|
# line 422 "lua.stx"
|
|
{ yyval.vInt = 1; } break;
|
|
case 67:
|
|
# line 423 "lua.stx"
|
|
{ yyval.vInt = yypvt[-0].vInt; } break;
|
|
case 68:
|
|
# line 426 "lua.stx"
|
|
{ yyval.vInt = yypvt[-0].vInt; } break;
|
|
case 69:
|
|
# line 427 "lua.stx"
|
|
{if (!yypvt[-1].vInt){lua_codeadjust (ntemp+1); incr_ntemp();}} break;
|
|
case 70:
|
|
# line 428 "lua.stx"
|
|
{yyval.vInt = yypvt[-0].vInt;} break;
|
|
case 73:
|
|
# line 435 "lua.stx"
|
|
{localvar[nlocalvar]=yypvt[-0].vWord; incr_nlocalvar();} break;
|
|
case 74:
|
|
# line 436 "lua.stx"
|
|
{localvar[nlocalvar]=yypvt[-0].vWord; incr_nlocalvar();} break;
|
|
case 75:
|
|
# line 439 "lua.stx"
|
|
{yyval.vLong=-1;} break;
|
|
case 76:
|
|
# line 440 "lua.stx"
|
|
{yyval.vLong=yypvt[-0].vWord;} break;
|
|
case 77:
|
|
# line 443 "lua.stx"
|
|
{ yyval.vInt = yypvt[-1].vInt; } break;
|
|
case 78:
|
|
# line 444 "lua.stx"
|
|
{ yyval.vInt = yypvt[-1].vInt; } break;
|
|
case 79:
|
|
# line 447 "lua.stx"
|
|
{ yyval.vInt = 0; } break;
|
|
case 80:
|
|
# line 448 "lua.stx"
|
|
{ yyval.vInt = yypvt[-0].vInt; } break;
|
|
case 81:
|
|
# line 451 "lua.stx"
|
|
{yyval.vInt=1;} break;
|
|
case 82:
|
|
# line 452 "lua.stx"
|
|
{yyval.vInt=yypvt[-2].vInt+1;} break;
|
|
case 83:
|
|
# line 456 "lua.stx"
|
|
{
|
|
align(Word);
|
|
code_byte(PUSHSTRING);
|
|
code_word(lua_findconstant (s_name(yypvt[-0].vWord)));
|
|
incr_ntemp();
|
|
} break;
|
|
case 84:
|
|
# line 463 "lua.stx"
|
|
{
|
|
code_byte(STOREFIELD);
|
|
ntemp-=2;
|
|
} break;
|
|
case 85:
|
|
# line 469 "lua.stx"
|
|
{ yyval.vInt = 0; } break;
|
|
case 86:
|
|
# line 470 "lua.stx"
|
|
{ yyval.vInt = yypvt[-0].vInt; } break;
|
|
case 87:
|
|
# line 473 "lua.stx"
|
|
{ code_number(1); } break;
|
|
case 88:
|
|
# line 473 "lua.stx"
|
|
{yyval.vInt=1;} break;
|
|
case 89:
|
|
# line 474 "lua.stx"
|
|
{ code_number(yypvt[-1].vInt+1); } break;
|
|
case 90:
|
|
# line 475 "lua.stx"
|
|
{yyval.vInt=yypvt[-3].vInt+1;} break;
|
|
case 91:
|
|
# line 479 "lua.stx"
|
|
{
|
|
code_byte(STOREFIELD);
|
|
ntemp-=2;
|
|
} break;
|
|
case 92:
|
|
# line 486 "lua.stx"
|
|
{
|
|
nvarbuffer = 0;
|
|
varbuffer[nvarbuffer] = yypvt[-0].vLong; incr_nvarbuffer();
|
|
yyval.vInt = (yypvt[-0].vLong == 0) ? 1 : 0;
|
|
} break;
|
|
case 93:
|
|
# line 492 "lua.stx"
|
|
{
|
|
varbuffer[nvarbuffer] = yypvt[-0].vLong; incr_nvarbuffer();
|
|
yyval.vInt = (yypvt[-0].vLong == 0) ? yypvt[-2].vInt + 1 : yypvt[-2].vInt;
|
|
} break;
|
|
case 94:
|
|
# line 499 "lua.stx"
|
|
{
|
|
int local = lua_localname (yypvt[-0].vWord);
|
|
if (local == -1) /* global var */
|
|
yyval.vLong = yypvt[-0].vWord + 1; /* return positive value */
|
|
else
|
|
yyval.vLong = -(local+1); /* return negative value */
|
|
} break;
|
|
case 95:
|
|
# line 507 "lua.stx"
|
|
{lua_pushvar (yypvt[-0].vLong);} break;
|
|
case 96:
|
|
# line 508 "lua.stx"
|
|
{
|
|
yyval.vLong = 0; /* indexed variable */
|
|
} break;
|
|
case 97:
|
|
# line 511 "lua.stx"
|
|
{lua_pushvar (yypvt[-0].vLong);} break;
|
|
case 98:
|
|
# line 512 "lua.stx"
|
|
{
|
|
align(Word);
|
|
code_byte(PUSHSTRING);
|
|
code_word(lua_findconstant (s_name(yypvt[-0].vWord))); incr_ntemp();
|
|
yyval.vLong = 0; /* indexed variable */
|
|
} break;
|
|
case 99:
|
|
# line 520 "lua.stx"
|
|
{localvar[nlocalvar]=yypvt[-1].vWord; incr_nlocalvar();} break;
|
|
case 100:
|
|
# line 521 "lua.stx"
|
|
{localvar[nlocalvar]=yypvt[-1].vWord; incr_nlocalvar();} break;
|
|
case 101:
|
|
# line 524 "lua.stx"
|
|
{ code_byte(PUSHNIL); } break;
|
|
case 102:
|
|
# line 525 "lua.stx"
|
|
{ntemp = 0;} break;
|
|
case 104:
|
|
# line 528 "lua.stx"
|
|
{lua_debug = yypvt[-0].vInt;} break;
|
|
}
|
|
goto yystack; /* reset registers in driver code */
|
|
}
|