449e685a1f
* compiler.h
added member iUsed to struct VAR
* hberrors.h
added define of codeblock parameter not used warning
* harbour.y
removed PDECLARED_VAR struct definition
removed code to maintain FunVars list
added code to GetVarPos() to reflect use of declared variable
added logic to FixReturns() and CodeBlockEnd() to generate warnings on non used decalred vaiables
removed previous version of nonused declared variables warnings from FunDedf() and {Main}
56 lines
2.6 KiB
C
56 lines
2.6 KiB
C
/* 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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struct _VAR * pNext; /* pointer to next defined variable */
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int iUsed; /* number of times used */
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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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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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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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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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#define OurFree( p ) free( (p) ); /* just for symetry -we can expand it later */
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