95 lines
3.8 KiB
C
95 lines
3.8 KiB
C
/*
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* $Id$
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*/
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/*
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Copyright(C) 1999 by Antonio Linares.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; if not, write to:
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The Free Software Foundation, Inc.,
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675 Mass Ave, Cambridge, MA 02139, USA.
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You can contact me at: alinares@fivetech.com
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*/
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#ifndef HB_COMPILER_H_
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#define HB_COMPILER_H_
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/* compiler related declarations */
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typedef struct _VAR /* locals, static, public variables support */
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{
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char *szName; /* variable name */
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char *szAlias; /* variable alias namespace */
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int iUsed; /* number of times used */
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char cType; /* optional strong typing */
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struct _VAR * pNext; /* pointer to next defined variable */
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} VAR, * PVAR;
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typedef struct __FUNC /* functions definition support */
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{
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char * szName; /* name of a defined Clipper function */
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char cScope; /* scope of a defined Clipper function */
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BYTE bFlags; /* some flags we may need */
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WORD wParamCount; /* number of declared parameters */
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PVAR pLocals; /* pointer to local variables list */
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PVAR pStatics; /* pointer to static variables list */
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PVAR pFields; /* pointer to fields variables list */
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PVAR pMemvars; /* pointer to memvar variables list */
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BYTE * pCode; /* pointer to a memory block where pcode is stored */
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LONG lPCodeSize; /* total memory size for pcode */
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LONG lPCodePos; /* actual pcode offset */
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WORD wStaticsBase; /* base for this function statics */
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struct __FUNC * pOwner; /* pointer to the function/procedure that owns the codeblock */
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struct __FUNC * pNext; /* pointer to the next defined function */
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} _FUNC, * PFUNCTION; /* structure to hold a Clipper defined function */
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typedef struct
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{
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PFUNCTION pFirst; /* pointer to the first defined funtion */
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PFUNCTION pLast; /* pointer to the last defined function */
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int iCount; /* number of defined functions */
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} FUNCTIONS; /* structure to control all Clipper defined functions */
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typedef struct _COMSYMBOL /* compiler symbol support structure */
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{
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char * szName; /* the name of the symbol */
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char cScope; /* the scope of the symbol */
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char cType;
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struct _COMSYMBOL * pNext; /* pointer to the next defined symbol */
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} COMSYMBOL, * PCOMSYMBOL;
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typedef struct /* symbol table support structures */
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{
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PCOMSYMBOL pFirst; /* pointer to the first defined symbol */
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PCOMSYMBOL pLast; /* pointer to the last defined symbol */
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int iCount; /* number of defined symbols */
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} SYMBOLS;
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typedef struct _STACK_VAL_TYPE /* locals, static, public variables support */
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{
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char cType; /* type of stack value */
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struct _STACK_VAL_TYPE * pPrev; /* pointer to previous stack value's type */
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} STACK_VAL_TYPE, * PSTACK_VAL_TYPE;
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PFUNCTION GetFunction( char * szFunName ); /* locates a previously defined function */
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WORD GetFunctionPos( char * szSymbolName ); /* returns the index + 1 of a function on the functions defined list */
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void * OurMalloc( LONG lSize ); /* our malloc with error control */
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void * OurRealloc( void * p, LONG lSize ); /* our malloc with error control */
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void OurFree( void * p ); /* releases allocated memory */
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#endif /* HB_COMPILER_H_ */
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