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-rw-r--r--Src/ns-eel/nseel-caltab.c553
1 files changed, 553 insertions, 0 deletions
diff --git a/Src/ns-eel/nseel-caltab.c b/Src/ns-eel/nseel-caltab.c
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+++ b/Src/ns-eel/nseel-caltab.c
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+/*
+ Nullsoft Expression Evaluator Library (NS-EEL)
+ Copyright (C) 1999-2003 Nullsoft, Inc.
+
+ nseel-caltab.c
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "ns-eel-int.h"
+
+#define VALUE 258
+#define IDENTIFIER 259
+#define FUNCTION1 260
+#define FUNCTION2 261
+#define FUNCTION3 262
+#define UMINUS 263
+#define UPLUS 264
+#define YYSTYPE int
+
+#define YYERROR(x) nseel_yyerror(ctx)
+
+#define YYFINAL 51
+#define YYFLAG -32768
+#define YYNTBASE 21
+
+#define YYTRANSLATE(x) ((unsigned)(x) <= 264 ? yytranslate[x] : 26)
+
+static const char yytranslate[] = { 0,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 14, 9, 2, 18,
+ 19, 12, 10, 20, 11, 2, 13, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 17, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 8, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
+ 6, 7, 15, 16
+};
+
+
+static const short yyr1[] = { 0,
+ 21, 21, 22, 23, 23, 23, 24, 24, 24, 24,
+ 24, 24, 24, 24, 24, 24, 24, 25, 25, 25
+};
+
+static const short yyr2[] = { 0,
+ 1, 3, 1, 1, 1, 3, 1, 3, 3, 3,
+ 3, 3, 3, 3, 2, 2, 1, 4, 6, 8
+};
+
+static const short yydefact[] = { 0,
+ 3, 4, 0, 0, 0, 0, 0, 0, 5, 7,
+ 1, 17, 0, 0, 0, 0, 4, 16, 15, 0,
+ 0, 0, 0, 0, 0, 0, 0, 2, 0, 0,
+ 0, 6, 14, 13, 11, 12, 8, 9, 10, 18,
+ 0, 0, 0, 0, 19, 0, 0, 20, 0, 0,
+ 0
+};
+
+static const short yydefgoto[] = { 49,
+ 9, 10, 11, 12
+};
+
+static const short yypact[] = { 19,
+-32768, -11, -7, -5, -4, 38, 38, 38,-32768,-32768,
+ 136,-32768, 38, 38, 38, 38,-32768,-32768,-32768, 88,
+ 38, 38, 38, 38, 38, 38, 38, 136, 100, 49,
+ 62,-32768, 41, 54, -9, -9,-32768,-32768,-32768,-32768,
+ 38, 38, 112, 75,-32768, 38, 124,-32768, 12, 27,
+-32768
+};
+
+static const short yypgoto[] = {-32768,
+-32768,-32768, -6,-32768
+};
+
+
+#define YYLAST 150
+
+
+static const short yytable[] = { 18,
+ 19, 20, 25, 26, 27, 13, 28, 29, 30, 31,
+ 14, 50, 15, 16, 33, 34, 35, 36, 37, 38,
+ 39, 1, 2, 3, 4, 5, 51, 0, 6, 7,
+ 0, 0, 0, 0, 43, 44, 8, 0, 0, 47,
+ 1, 17, 3, 4, 5, 0, 0, 6, 7, 22,
+ 23, 24, 25, 26, 27, 8, 21, 22, 23, 24,
+ 25, 26, 27, 23, 24, 25, 26, 27, 41, 21,
+ 22, 23, 24, 25, 26, 27, 0, 0, 0, 0,
+ 0, 42, 21, 22, 23, 24, 25, 26, 27, 0,
+ 0, 0, 0, 0, 46, 21, 22, 23, 24, 25,
+ 26, 27, 0, 0, 0, 0, 32, 21, 22, 23,
+ 24, 25, 26, 27, 0, 0, 0, 0, 40, 21,
+ 22, 23, 24, 25, 26, 27, 0, 0, 0, 0,
+ 45, 21, 22, 23, 24, 25, 26, 27, 0, 0,
+ 0, 0, 48, 21, 22, 23, 24, 25, 26, 27
+};
+
+static const short yycheck[] = { 6,
+ 7, 8, 12, 13, 14, 17, 13, 14, 15, 16,
+ 18, 0, 18, 18, 21, 22, 23, 24, 25, 26,
+ 27, 3, 4, 5, 6, 7, 0, -1, 10, 11,
+ -1, -1, -1, -1, 41, 42, 18, -1, -1, 46,
+ 3, 4, 5, 6, 7, -1, -1, 10, 11, 9,
+ 10, 11, 12, 13, 14, 18, 8, 9, 10, 11,
+ 12, 13, 14, 10, 11, 12, 13, 14, 20, 8,
+ 9, 10, 11, 12, 13, 14, -1, -1, -1, -1,
+ -1, 20, 8, 9, 10, 11, 12, 13, 14, -1,
+ -1, -1, -1, -1, 20, 8, 9, 10, 11, 12,
+ 13, 14, -1, -1, -1, -1, 19, 8, 9, 10,
+ 11, 12, 13, 14, -1, -1, -1, -1, 19, 8,
+ 9, 10, 11, 12, 13, 14, -1, -1, -1, -1,
+ 19, 8, 9, 10, 11, 12, 13, 14, -1, -1,
+ -1, -1, 19, 8, 9, 10, 11, 12, 13, 14
+};
+
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (ctx->yychar = YYEMPTY)
+#define YYEMPTY -2
+#define YYEOF 0
+#define YYACCEPT return(0)
+#define YYABORT return(1)
+
+#define YYTERROR 1
+#define YYERRCODE 256
+
+#define YYLEX nseel_yylex(ctx,&exp)
+
+/* If nonreentrant, generate the variables here */
+
+/* YYINITDEPTH indicates the initial size of the parser's stacks */
+
+#define YYINITDEPTH 5000
+#define YYMAXDEPTH 5000
+
+/* This is the most reliable way to avoid incompatibilities
+ in available built-in functions on various systems. */
+#define __yy_bcopy(from,to,count) memcpy(to,from,(count)>0?(count):0)
+
+//#ln 131 "bison.simple"
+int nseel_yyparse(compileContext *ctx, char *exp)
+{
+ int yystate;
+ int yyn;
+ short *yyssp;
+ YYSTYPE *yyvsp;
+ int yyerrstatus; /* number of tokens to shift before error messages enabled */
+ int yychar1; /* lookahead token as an internal (translated) token number */
+
+ short yyssa[YYINITDEPTH]; /* the state stack */
+ YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
+
+ short *yyss = yyssa; /* refer to the stacks thru separate pointers */
+ YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
+
+ int yystacksize = YYINITDEPTH;
+
+ YYSTYPE yyval; /* the variable used to return */
+ /* semantic values from the action */
+ /* routines */
+
+ int yylen;
+
+ ctx->yylval = 0;
+ yystate = 0;
+ yyerrstatus = 0;
+ ctx->yynerrs = 0;
+ ctx->yychar = YYEMPTY; /* Cause a token to be read. */
+
+ /* Initialize stack pointers.
+ Waste one element of value and location stack
+ so that they stay on the same level as the state stack. */
+
+ yyssp = yyss - 1;
+ yyvsp = yyvs;
+
+/* Push a new state, which is found in yystate . */
+/* In all cases, when you get here, the value and location stacks
+ have just been pushed. so pushing a state here evens the stacks. */
+yynewstate:
+
+ *++yyssp = yystate;
+
+ if (yyssp >= yyss + yystacksize - 1)
+ {
+ /* Give user a chance to reallocate the stack */
+ /* Use copies of these so that the &'s don't force the real ones into memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ short *yyss1 = yyss;
+
+ /* Get the current used size of the three stacks, in elements. */
+ int size = yyssp - yyss + 1;
+
+ if (yystacksize >= YYMAXDEPTH)
+ {
+ YYERROR("internal error: parser stack overflow");
+ return 2;
+ }
+
+ yyssp = yyss + size - 1;
+ yyvsp = yyvs + size - 1;
+
+
+ if (yyssp >= yyss + yystacksize - 1) YYABORT;
+ }
+
+
+// yybackup:
+
+/* Do appropriate processing given the current state. */
+/* Read a lookahead token if we need one and don't already have one. */
+/* yyresume: */
+
+ /* First try to decide what to do without reference to lookahead token. */
+
+ yyn = yypact[yystate];
+ if (yyn == YYFLAG)
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* yychar is either YYEMPTY or YYEOF
+ or a valid token in external form. */
+
+ if (ctx->yychar == YYEMPTY)
+ {
+// yyStackSize = yyssp - (yyss - 1);
+ ctx->yychar = YYLEX;
+ }
+
+ /* Convert token to internal form (in yychar1) for indexing tables with */
+
+ if (ctx->yychar <= 0) /* This means end of input. */
+ {
+ yychar1 = 0;
+ ctx->yychar = YYEOF; /* Don't call YYLEX any more */
+
+ }
+ else
+ {
+ yychar1 = YYTRANSLATE(ctx->yychar);
+
+ }
+
+ yyn += yychar1;
+ if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
+ goto yydefault;
+
+ yyn = yytable[yyn];
+
+ /* yyn is what to do for this token type in this state.
+ Negative => reduce, -yyn is rule number.
+ Positive => shift, yyn is new state.
+ New state is final state => don't bother to shift,
+ just return success.
+ 0, or most negative number => error. */
+
+ if (yyn < 0)
+ {
+ if (yyn == YYFLAG)
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+ else if (yyn == 0)
+ goto yyerrlab;
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+ /* Shift the lookahead token. */
+
+
+ /* Discard the token being shifted unless it is eof. */
+ if (ctx->yychar != YYEOF)
+ ctx->yychar = YYEMPTY;
+
+ *++yyvsp = ctx->yylval;
+
+ /* count tokens shifted since error; after three, turn off error status. */
+ if (yyerrstatus) yyerrstatus--;
+
+ yystate = yyn;
+ goto yynewstate;
+
+/* Do the default action for the current state. */
+yydefault:
+
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+
+/* Do a reduction. yyn is the number of a rule to reduce with. */
+yyreduce:
+ yylen = yyr2[yyn];
+ yyval = yyvsp[1-yylen]; /* implement default value of the action */
+
+
+ switch (yyn) {
+
+case 1:
+//#ln 32 "cal.y"
+{ yyval = yyvsp[0]; ctx->result = yyvsp[0]; ;
+ break;}
+case 2:
+//#ln 34 "cal.y"
+{ {
+ int i = (int)nseel_setVar(ctx,(int)yyvsp[-2]);
+ int v=nseel_getVar(ctx,i);
+
+ yyval = nseel_createCompiledFunction2(ctx,MATH_SIMPLE, FN_ASSIGN, v, (int)yyvsp[0]);
+ ctx->result = yyval;
+ }
+ ;
+ break;}
+case 3:
+//#ln 50 "cal.y"
+{ yyval = yyvsp[0] ;
+ break;}
+case 4:
+//#ln 55 "cal.y"
+{ yyval = nseel_getVar(ctx,(int)yyvsp[0]);;
+ break;}
+case 5:
+//#ln 57 "cal.y"
+{ yyval = yyvsp[0];;
+ break;}
+case 6:
+//#ln 59 "cal.y"
+{ yyval = yyvsp[-1];;
+ break;}
+case 7:
+//#ln 64 "cal.y"
+{ yyval = yyvsp[0]; ;
+ break;}
+case 8:
+//#ln 66 "cal.y"
+{ yyval = nseel_createCompiledFunction2(ctx,MATH_SIMPLE, FN_MULTIPLY, yyvsp[-2], yyvsp[0]);
+ break;}
+case 9:
+//#ln 72 "cal.y"
+{ yyval = nseel_createCompiledFunction2(ctx,MATH_SIMPLE, FN_DIVIDE, yyvsp[-2], yyvsp[0]);
+ break;}
+case 10:
+//#ln 78 "cal.y"
+{ yyval = nseel_createCompiledFunction2(ctx,MATH_SIMPLE, FN_MODULO, yyvsp[-2], yyvsp[0]);
+ break;}
+case 11:
+//#ln 84 "cal.y"
+{ yyval = nseel_createCompiledFunction2(ctx,MATH_SIMPLE, FN_ADD, yyvsp[-2], yyvsp[0]);
+ break;}
+case 12:
+//#ln 90 "cal.y"
+{ yyval = nseel_createCompiledFunction2(ctx,MATH_SIMPLE, FN_SUB, yyvsp[-2], yyvsp[0]);
+ break;}
+case 13:
+//#ln 96 "cal.y"
+{ yyval = nseel_createCompiledFunction2(ctx,MATH_SIMPLE, FN_AND, yyvsp[-2], yyvsp[0]);
+ break;}
+case 14:
+//#ln 102 "cal.y"
+{ yyval = nseel_createCompiledFunction2(ctx,MATH_SIMPLE, FN_OR, yyvsp[-2], yyvsp[0]);
+ break;}
+case 15:
+//#ln 108 "cal.y"
+{ yyval = nseel_createCompiledFunction1(ctx,MATH_SIMPLE, FN_UMINUS, yyvsp[0]);
+ break;}
+case 16:
+//#ln 114 "cal.y"
+{ yyval = nseel_createCompiledFunction1(ctx,MATH_SIMPLE, FN_UPLUS, yyvsp[0]);
+ break;}
+case 17:
+//#ln 120 "cal.y"
+{ yyval = yyvsp[0];
+ break;}
+case 18:
+//#ln 125 "cal.y"
+{ yyval = nseel_createCompiledFunction1(ctx,MATH_FN, (int)yyvsp[-3], yyvsp[-1]);
+ break;}
+case 19:
+//#ln 131 "cal.y"
+{ yyval = nseel_createCompiledFunction2(ctx,MATH_FN, (int)yyvsp[-5], yyvsp[-3], yyvsp[-1]);
+ break;}
+case 20:
+//#ln 137 "cal.y"
+{ yyval = nseel_createCompiledFunction3(ctx,MATH_FN, (int)yyvsp[-7], yyvsp[-5], yyvsp[-3], yyvsp[-1]);
+ break;}
+}
+ /* the action file gets copied in in place of this dollarsign */
+//#ln 362 "bison.simple"
+
+ yyvsp -= yylen;
+ yyssp -= yylen;
+
+ *++yyvsp = yyval;
+
+
+ /* Now "shift" the result of the reduction.
+ Determine what state that goes to,
+ based on the state we popped back to
+ and the rule number reduced by. */
+
+ yyn = yyr1[yyn];
+
+ yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
+ if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yytable[yystate];
+ else
+ yystate = yydefgoto[yyn - YYNTBASE];
+
+ goto yynewstate;
+
+yyerrlab: /* here on detecting error */
+
+ if (! yyerrstatus)
+ /* If not already recovering from an error, report this error. */
+ {
+ ++ctx->yynerrs;
+
+#ifdef YYERROR_VERBOSE
+ yyn = yypact[yystate];
+
+ if (yyn > YYFLAG && yyn < YYLAST)
+ {
+ int size = 0;
+ char *msg;
+ int x, count;
+
+ count = 0;
+ for (x = 0; x < (sizeof(yytname) / sizeof(char *)); x++)
+ if (yycheck[x + yyn] == x)
+ size += strlen(yytname[x]) + 15, count++;
+#error this should not compile
+ msg = (char *) xmalloc(size + 15);
+ strcpy(msg, "syntax error");
+
+ if (count < 5)
+ {
+ count = 0;
+ for (x = 0; x < (sizeof(yytname) / sizeof(char *)); x++)
+ if (yycheck[x + yyn] == x)
+ {
+ strcat(msg, count == 0 ? ", expecting `" : " or `");
+ strcat(msg, yytname[x]);
+ strcat(msg, "'");
+ count++;
+ }
+ }
+ YYERROR(msg);
+ free(msg);
+ }
+ else
+#endif /* YYERROR_VERBOSE */
+ YYERROR("syntax error");
+ }
+
+//yyerrlab1: /* here on error raised explicitly by an action */
+
+ if (yyerrstatus == 3)
+ {
+ /* if just tried and failed to reuse lookahead token after an error, discard it. */
+
+ /* return failure if at end of input */
+ if (ctx->yychar == YYEOF) YYABORT;
+
+ ctx->yychar = YYEMPTY;
+ }
+
+ /* Else will try to reuse lookahead token
+ after shifting the error token. */
+
+ yyerrstatus = 3; /* Each real token shifted decrements this */
+
+ goto yyerrhandle;
+
+yyerrdefault: /* current state does not do anything special for the error token. */
+
+#if 0
+ /* This is wrong; only states that explicitly want error tokens
+ should shift them. */
+ yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
+ if (yyn) goto yydefault;
+#endif
+
+yyerrpop: /* pop the current state because it cannot handle the error token */
+
+ if (yyssp == yyss) YYABORT;
+ yyvsp--;
+ yystate = *--yyssp;
+
+
+yyerrhandle:
+
+ yyn = yypact[yystate];
+ if (yyn == YYFLAG)
+ goto yyerrdefault;
+
+ yyn += YYTERROR;
+ if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
+ goto yyerrdefault;
+
+ yyn = yytable[yyn];
+ if (yyn < 0)
+ {
+ if (yyn == YYFLAG)
+ goto yyerrpop;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+ else if (yyn == 0)
+ goto yyerrpop;
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+ *++yyvsp = ctx->yylval;
+
+ yystate = yyn;
+ goto yynewstate;
+}
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