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Diffstat (limited to 'Src/ns-eel/ns-eel-int.h')
| -rw-r--r-- | Src/ns-eel/ns-eel-int.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Src/ns-eel/ns-eel-int.h b/Src/ns-eel/ns-eel-int.h new file mode 100644 index 00000000..b7865315 --- /dev/null +++ b/Src/ns-eel/ns-eel-int.h @@ -0,0 +1,156 @@ +/* + Nullsoft Expression Evaluator Library (NS-EEL) + Copyright (C) 1999-2003 Nullsoft, Inc. + + ns-eel-int.h: internal code definition header. + + 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. +*/ + +#ifndef __NS_EELINT_H__ +#define __NS_EELINT_H__ + +#include "ns-eel.h" +#include "ns-eel-addfuncs.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define FN_ASSIGN 0 +#define FN_MULTIPLY 1 +#define FN_DIVIDE 2 +#define FN_MODULO 3 +#define FN_ADD 4 +#define FN_SUB 5 +#define FN_AND 6 +#define FN_OR 7 +#define FN_UMINUS 8 +#define FN_UPLUS 9 + +#define MATH_SIMPLE 0 +#define MATH_FN 1 + +#define YYSTYPE int + + +typedef struct +{ + double **varTable_Values; + char **varTable_Names; + int varTable_numBlocks; + + int errVar; + int colCount; + int result; + char last_error_string[256]; + YYSTYPE yylval; + int yychar; /* the lookahead symbol */ + int yynerrs; /* number of parse errors so far */ + char yytext[256]; + char lastVar[256]; + + char *llsave[16]; /* Look ahead buffer */ + char llbuf[100]; /* work buffer */ + char *llp1;// = &llbuf[0]; /* pointer to next avail. in token */ + char *llp2;// = &llbuf[0]; /* pointer to end of lookahead */ + char *llend;// = &llbuf[0]; /* pointer to end of token */ + char *llebuf;// = &llbuf[sizeof llbuf]; + int lleof; + int yyline;// = 0; + + void *tmpblocks_head,*blocks_head; + int computTableTop; // make it abort on potential overflow =) + int l_stats[4]; // source bytes, static code bytes, call code bytes, data bytes + + void *userfunc_data[64]; +} +compileContext; + +typedef struct { + char *name; + void *afunc; + void *func_e; + int nParams; + NSEEL_PPPROC pProc; +} functionType; + + +extern functionType *nseel_getFunctionFromTable(int idx); + +int nseel_createCompiledValue(compileContext *ctx, double value, double *addrValue); +int nseel_createCompiledFunction1(compileContext *ctx, int fntype, int fn, int code); +int nseel_createCompiledFunction2(compileContext *ctx, int fntype, int fn, int code1, int code2); +int nseel_createCompiledFunction3(compileContext *ctx, int fntype, int fn, int code1, int code2, int code3); + +extern double nseel_globalregs[100]; + +void nseel_resetVars(compileContext *ctx); +double *nseel_getVarPtr(compileContext *ctx, char *varName); +double *nseel_registerVar(compileContext *ctx, char *varName); + + +// other shat + + + +int nseel_setVar(compileContext *ctx, int varNum); +int nseel_getVar(compileContext *ctx, int varNum); +void *nseel_compileExpression(compileContext *ctx, char *txt); + +#define VALUE 258 +#define IDENTIFIER 259 +#define FUNCTION1 260 +#define FUNCTION2 261 +#define FUNCTION3 262 +#define UMINUS 263 +#define UPLUS 264 + +int nseel_translate(compileContext *ctx, int type); +void nseel_count(compileContext *ctx); +void nseel_setLastVar(compileContext *ctx); +int nseel_lookup(compileContext *ctx, int *typeOfObject); +int nseel_yyerror(compileContext *ctx); +int nseel_yylex(compileContext *ctx, char **exp); +int nseel_yyparse(compileContext *ctx, char *exp); +void nseel_llinit(compileContext *ctx); +int nseel_gettoken(compileContext *ctx, char *lltb, int lltbsiz); + +struct lextab { + int llendst; /* Last state number */ + char *lldefault; /* Default state table */ + char *llnext; /* Next state table */ + char *llcheck; /* Check table */ + int *llbase; /* Base table */ + int llnxtmax; /* Last in next table */ + int (*llmove)(); /* Move between states */ + char *llfinal; /* Final state descriptions */ + int (*llactr)(); /* Action routine */ + int *lllook; /* Look ahead vector if != NULL */ + char *llign; /* Ignore char vec if != NULL */ + char *llbrk; /* Break char vec if != NULL */ + char *llill; /* Illegal char vec if != NULL */ +}; +extern struct lextab nseel_lextab; + + + +#ifdef __cplusplus +} +#endif + +#endif//__NS_EELINT_H__
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