Initial community commit

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__