1432 lines
52 KiB
Plaintext
1432 lines
52 KiB
Plaintext
%{
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/*
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* $Id$
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*/
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/*
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* Harbour lex rules.
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* Build 27: Summer 99
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* Usage: flex -i -8 -oyylex.c harbour.l
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* You may find flex.exe at www.harbour-project.org
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include "harboury.h"
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#include "hbsetup.h" /* main configuration file */
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#include "hberrors.h"
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#include "types.h"
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void yyerror( char * );
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char *yy_strupr( char * );
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char * yy_strdup( char *p );
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static void yyunput( int, char * );
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#undef yywrap /* to implement our own yywrap() funtion to handle EOFs */
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#ifdef __cplusplus
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extern "C" int yywrap( void );
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#else
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int yywrap( void );
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#endif
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#undef YY_INPUT /* to implement our own YY_INPUT function to manage PRGs without \n at the end */
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extern FILE * yyin; /* currently yacc parsed file */
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/* Following three lines added for preprocessor */
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extern FILE *yyppo; /* output .ppo file */
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extern int lPpo; /* flag indicating, is ppo output needed */
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extern int PreProcess( FILE*, FILE*, char *);
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int yy_lex_input( char *, int );
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#define YY_INPUT( buf, result, max_size ) result = yy_lex_input( buf, max_size );
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typedef struct
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{
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char * szDefine;
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char * szValue;
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void * pKeys;
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void * pNext;
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} _DEFINE, * PDEFINE;
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PDEFINE LastDef( PDEFINE pDef ); /* searches for the latest #define */
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void Define( char * szDefine ); /* add a new #define symbol */
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void DefineKey( char * szKey ); /* add a new key to a #define expression */
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PDEFINE FindDef( char * szText ); /* finds a #define */
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/* variables defined in harbour.y */
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extern int _iQuiet;
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extern int _iRestrictSymbolLength;
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extern WORD _wSeqCounter;
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extern WORD _wForCounter;
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extern WORD _wIfCounter;
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extern WORD _wWhileCounter;
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extern WORD _wCaseCounter;
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PDEFINE pDefs = 0; /* support for #defines */
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int iLine = 0;
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long lNumber = 0;
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#define LOOKUP 0 /* scan from the begining of line */
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#define OPERATOR -1
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#define SEPARATOR -2
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static int _iState = LOOKUP;
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static int _iOpenBracket = 0;
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/* Support for Array Index */
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int iIndexSets = 0;
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int i_INDEX_STATE = 0;
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void yy_lex_count_lf( void )
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{
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char * pTmp = yytext;
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while( (pTmp = strchr(pTmp, '\n')) )
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{
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++iLine;
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++pTmp;
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}
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}
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%}
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SpaceTab [ \t]+
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InvalidNumber [0-9]+\.
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Number ([0-9]+)|([0-9]*\.[0-9]+)
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HexNumber 0x[0-9A-F]+
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Identifier (([a-zA-Z])|([_a-zA-Z][_a-zA-Z0-9]+))
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/* TODO check if String definition can be removed - Ron Pinkas added support for [] String Delimiters see STRING1, STRING2 and STRING3*/
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/*String (\"(([^\"]*)|([\!]*))\")|(\'(([^\']*)|([\!]*))\')*/
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PseudoFunc {Identifier}"("+.*")"+
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Array {Identifier}[ \t]*"["
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ExpArray ")"[ \t]*"["
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SubArray "]"[ \t]*"["
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Comment1 "/*"([^\*]|[\*][^\/])*"*/"
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Comment2 [\/][\/].*
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Comment ({Comment1}|{Comment2})
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Separator {SpaceTab}|{Comment}
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%x COMMENT3 DEFINE DEFINE_PARAMS DEFINE_EXPR
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%x IFDEF IFNDEF STRING1 STRING2 STRING3
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%x NEXT_ BREAK_ CASE_ DO_ WHILE_ WITH_ END_ EXIT_ EXTERNAL_ FIELD_
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%x FOR_ FUNCTION_ IIF_ IF_ IN_ INCLUDE_ INIT_ LOCAL_ LOOP_
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%x LINECONT_
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%s INDEX
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%%
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("//".*)|("&&".*) ;
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^{SpaceTab}*(\*|"NOTE").* ;
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\n{SpaceTab}*(\*|"NOTE").* ++iLine; if( ! _iQuiet ) printf( "\rline: %i", iLine );
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"&"("'"|\"|\[) { printf( "\nSyntax error : '%s'\n", yytext ); exit(1); }
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' BEGIN STRING1;
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\" BEGIN STRING2;
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"="[ \t]*"[" { BEGIN STRING3; _iState =OPERATOR; return '='; }
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"+"[ \t]*"[" { BEGIN STRING3; _iState =OPERATOR; return '+'; }
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"-"[ \t]*"[" { BEGIN STRING3; _iState =OPERATOR; return '-'; }
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"*"[ \t]*"[" { BEGIN STRING3; _iState =OPERATOR; return '*'; }
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"/"[ \t]*"[" { BEGIN STRING3; _iState =OPERATOR; return '/'; }
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"%"[ \t]*"[" { BEGIN STRING3; _iState =OPERATOR; return '%'; }
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"$"[ \t]*"[" { BEGIN STRING3; _iState =OPERATOR; return '$'; }
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("<>"|"!=")[ \t]*"[" { BEGIN STRING3; _iState =NE2; return NE2; }
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":="[ \t]*"[" { BEGIN STRING3; _iState =INASSIGN; return INASSIGN; }
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"=="[ \t]*"[" { BEGIN STRING3; _iState =EQ; return EQ; }
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"<="[ \t]*"[" { BEGIN STRING3; _iState =LE; return LE; }
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">="[ \t]*"[" { BEGIN STRING3; _iState =GE; return GE; }
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"+="[ \t]*"[" { BEGIN STRING3; _iState =PLUSEQ; return PLUSEQ; }
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"-="[ \t]*"[" { BEGIN STRING3; _iState =MINUSEQ; return MINUSEQ; }
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"*="[ \t]*"[" { BEGIN STRING3; _iState =MULTEQ; return MULTEQ; }
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"/="[ \t]*"[" { BEGIN STRING3; _iState =DIVEQ; return DIVEQ; }
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"^="[ \t]*"[" { BEGIN STRING3; _iState =EXPEQ; return EXPEQ; }
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"%="[ \t]*"[" { BEGIN STRING3; _iState =MODEQ; return MODEQ; }
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("**"|"^")[ \t]*"[" { BEGIN STRING3; _iState =POWER; return POWER; }
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".and."[ \t]*"[" { BEGIN STRING3; return AND; }
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".or."[ \t]*"[" { BEGIN STRING3; return OR; }
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("!"|".not.")[ \t]*"[" { BEGIN STRING3; return NOT; }
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(","|"{"|"<"|">"|"(")[ \t]*"[" { BEGIN STRING3; _iState = OPERATOR; yyleng = 1; yytext[1] = 0; return yytext[ 0 ]; }
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<INITIAL>\[ BEGIN STRING3;
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<STRING1>[^'^\n]* { GenError( ERR_STRING_TERMINATOR, yytext, NULL ); BEGIN 0; }
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<STRING2>[^\"^\n]* { GenError( ERR_STRING_TERMINATOR, yytext, NULL ); BEGIN 0; }
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<STRING3>[^\]]*\n { GenError( ERR_STRING_TERMINATOR, yytext, NULL ); BEGIN 0; }
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<STRING1>[^']*' { if( i_INDEX_STATE )
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BEGIN INDEX;
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else
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BEGIN 0;
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yyleng--;
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yytext[yyleng] = 0;
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yylval.string = yy_strdup( yytext );
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/*printf( "\nLITERAL = %s\n", yylval.string );*/
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return LITERAL;
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}
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<STRING2>[^\"]*\" { if( i_INDEX_STATE )
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BEGIN INDEX;
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else
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BEGIN 0;
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yyleng--;
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yytext[yyleng] = 0;
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yylval.string = yy_strdup( yytext );
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/*printf( "\nLITERAL = %s\n", yylval.string );*/
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return LITERAL;
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}
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<STRING3>[^\]]*\] { if( i_INDEX_STATE )
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BEGIN INDEX;
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else
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BEGIN 0;
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yyleng--;
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yytext[yyleng] = 0;
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yylval.string = yy_strdup( yytext );
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/*printf( "\nLITERAL = %s\n", yylval.string );*/
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return LITERAL;
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}
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<INDEX>\n { yyerror( "Unterminated Array Index" ); exit(1); }
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<INDEX>\[ { iIndexSets++; return yytext[ 0 ]; }
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<INDEX>\] {
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iIndexSets-- ;
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if( iIndexSets == 0 )
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{
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/*printf( "\nIndex End\n" );*/
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/* No longer in this state. */
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i_INDEX_STATE = 0;
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BEGIN 0;
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}
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_iState =OPERATOR;
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return yytext[ 0 ];
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}
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"/*" BEGIN COMMENT3;
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<COMMENT3>"*"["*"]*"/" { if( i_INDEX_STATE )
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{
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BEGIN INDEX;
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/*printf( "\nRESUMING INDEX STATE\n" );*/
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}
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else
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BEGIN 0;
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}
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<COMMENT3>[^"*/"\n]* ;
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<COMMENT3>"*" ;
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<COMMENT3>[\/\"]+ ;
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<COMMENT3>\n ++iLine; if( ! _iQuiet ) printf( "\rline: %i", iLine );
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"#"{SpaceTab}*"define" BEGIN DEFINE;
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<DEFINE>{Identifier}/{SpaceTab}+ Define( yytext );
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<DEFINE>{Identifier}/{SpaceTab}*\n Define( yytext ); BEGIN 0;
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<DEFINE>{SpaceTab} ;
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<DEFINE>{Identifier} LastDef( pDefs )->szValue = yy_strdup( yytext ); BEGIN 0;
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<DEFINE>{PseudoFunc} LastDef( pDefs )->szValue = yy_strdup( yytext ); BEGIN 0;
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<DEFINE>-?{Number} LastDef( pDefs )->szValue = yy_strdup( yytext ); BEGIN 0;
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<DEFINE>{HexNumber} LastDef( pDefs )->szValue = yy_strdup( yytext ); BEGIN 0;
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<DEFINE>"/*".*"*/" ;
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<DEFINE>{Number}{SpaceTab}*[\(] yyerror( "Syntax error in #define" );
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<DEFINE>{Identifier}{SpaceTab}*[\(] Define( yytext ); BEGIN DEFINE_PARAMS;
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<DEFINE_PARAMS>{SpaceTab} ;
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<DEFINE_PARAMS>{Identifier} DefineKey( yytext );
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<DEFINE_PARAMS>[\,] ;
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<DEFINE_PARAMS>[\)] BEGIN DEFINE_EXPR;
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<DEFINE_EXPR>.*/\n LastDef( pDefs )->szValue = yy_strdup( yytext ); BEGIN 0;
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"#"{SpaceTab}*"ifdef" BEGIN IFDEF;
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<IFDEF>{Identifier} if( FindDef( yytext ) ) BEGIN 0;
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<IFDEF>"#"{SpaceTab}*"else"\n ++iLine; BEGIN 0;
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<IFDEF>"#"{SpaceTab}*"endif"\n ++iLine; BEGIN 0;
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<IFDEF>\n ++iLine;
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<IFDEF>[\(\),\"\/\.]* ;
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<IFDEF>"#"{SpaceTab}*"ifdef" ;
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<IFDEF>"#"{SpaceTab}*"else" BEGIN 0;
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"#"{SpaceTab}*"else" BEGIN IFDEF;
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"#"{SpaceTab}*"endif" BEGIN 0;
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"#"{SpaceTab}*"ifndef" BEGIN IFNDEF;
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<IFNDEF>{Identifier} if( ! FindDef( yytext ) ) BEGIN 0;
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<IFNDEF>"#endif"\n ++iLine; BEGIN 0;
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<IFNDEF>\n ++iLine;
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"#"{SpaceTab}*"line".* ;
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{SpaceTab} ;
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\n.* _iState=LOOKUP; yyless( 1 ); ++iLine; if( ! _iQuiet ) printf( "\rline: %i", iLine ); return '\n';
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%{
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/* ************************************************************************ */
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%}
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; BEGIN LINECONT_;
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<LINECONT_>{Separator}*\n {
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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if( ! _iQuiet ) printf( "\rline: %i", iLine );
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_iState=LINECONT_;
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}
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<LINECONT_>{Separator}*("("|")") {
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GenError( ERR_INCOMPLETE_STMT, yytext, NULL );
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}
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<LINECONT_>{Separator}*. {
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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unput( yytext[ yyleng-1 ] );
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if( _iOpenBracket == 0 && (_iState==SEPARATOR || _iState==IDENTIFIER) && i_INDEX_STATE==0 )
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{
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_iState=LOOKUP;
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return '\n';
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}
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else
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_iState=LINECONT_;
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}
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%{
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/* ************************************************************************ */
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%}
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"begin"{Separator}+"sequ"("ence"|"enc"|"en"|"e")? return BEGINSEQ;
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%{
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/* ************************************************************************ */
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%}
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"break" BEGIN BREAK_;
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<BREAK_>{Separator}*\n { /* at the end of line */
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yy_lex_count_lf();
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--iLine;
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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unput( yytext[ yyleng-1 ] );
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if( _iState == LOOKUP )
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{ /* it is first item in the line */
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return BREAK;
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}
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else
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{ /* there is another item in line already */
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yylval.string = yy_strdup("BREAK");
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return IDENTIFIER;
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}
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}
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<BREAK_>{Separator}*[\[] { /* array */
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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/* Clipper does not like break[] at all */
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GenError( ERR_SYNTAX, yytext, NULL );
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}
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<BREAK_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
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<BREAK_>{Separator}*[^_a-zA-Z\[] { /* there is no identifier after "break" */
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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yylval.string = yy_strdup( "BREAK" );
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_iState =IDENTIFIER;
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unput( yytext[ yyleng-1 ] );
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return IDENTIFIER;
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}
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<BREAK_>{Separator}*. { /* an identifier follows BREAK statement */
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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unput( yytext[ yyleng-1 ] );
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if( _iState == LOOKUP )
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{
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_iState =BREAK;
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return BREAK;
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}
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else
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{
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yylval.string = yy_strdup( "BREAK" );
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_iState =IDENTIFIER;
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return IDENTIFIER;
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}
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}
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<BREAK_>. { if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0; unput( yytext[ yyleng-1 ] ); }
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%{
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/* ************************************************************************ */
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%}
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"case" BEGIN CASE_;
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<CASE_>{Separator}*[\:\=\|\$\%\*\,\/\]\)\}\^] { /* there is an operator after "case" */
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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yylval.string = yy_strdup( "CASE" );
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_iState =IDENTIFIER;
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unput( yytext[ yyleng-1 ] );
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return IDENTIFIER;
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}
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<CASE_>{Separator}*[\[] { /* array */
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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/* Clipper does not like case[] at all */
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GenError( ERR_SYNTAX, yytext, NULL );
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}
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<CASE_>{Separator}*("+="|"-="|"->") { /* operators */
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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yylval.string = yy_strdup( "CASE" );
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_iState =IDENTIFIER;
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unput( yytext[ yyleng-1 ] );
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unput( yytext[ yyleng-2 ] );
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return IDENTIFIER;
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}
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<CASE_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
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<CASE_>{Separator}*(\n|.) { /* not operator */
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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if( yytext[ yyleng-1 ] == '\n' )
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--iLine;
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unput( yytext[ yyleng-1 ] );
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if( _iState == LOOKUP )
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{ /* it is first item in the line */
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_iState =CASE;
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return CASE;
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}
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else
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{ /* there is another item in line already */
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yylval.string = yy_strdup( "CASE" );
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_iState =IDENTIFIER;
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return IDENTIFIER;
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}
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}
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%{
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/* ************************************************************************ */
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%}
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"do" BEGIN DO_;
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<DO_>{Separator}+"case" { /* DO CASE statement */
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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yy_lex_count_lf();
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_iState =DOCASE;
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return DOCASE;
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}
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<DO_>{Separator}+"while" { /* DO WHILE found -move it to WHILE state */
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/* NOTE: we cannot decide here if it is DO WHILE <condition>
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* or DO while [WITH <args>]
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*/
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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_iState =DO;
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yyless( yyleng-5 );
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}
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<DO_>{Separator}+[_a-zA-Z] { /* an identifier DO id WITH */
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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unput( yytext[ yyleng-1 ] );
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if( _iState == LOOKUP )
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{ /* it is first item in the line */
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_iState =DO;
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return DO;
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}
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else
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{ /* there is another item in line already */
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yylval.string = yy_strdup( "DO" );
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_iState =IDENTIFIER;
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return IDENTIFIER;
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}
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}
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<DO_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
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<DO_>{Separator}*(.|\n) { /* end of line or any operator */
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yy_lex_count_lf();
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if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
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if( yytext[ yyleng-1 ] == '\n' )
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--iLine;
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unput( yytext[ yyleng-1 ] );
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yylval.string = yy_strdup( "DO" );
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_iState =IDENTIFIER;
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return IDENTIFIER;
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}
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%{
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/* ************************************************************************ */
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%}
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"else" { /* ELSE can be used in one context only */
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if( _wIfCounter == 0 )
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GenError( ERR_UNMATCHED_ELSE, NULL, NULL );
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_iState =ELSE;
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return ELSE;
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}
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"elseif" { /* ELSEIF can be used in one context only */
|
|
if( _wIfCounter == 0 )
|
|
GenError( ERR_UNMATCHED_ELSEIF, NULL, NULL );
|
|
_iState =ELSEIF;
|
|
return ELSEIF;
|
|
}
|
|
"end"{Separator}+"sequ"("ence"|"enc"|"en"|"e")? {
|
|
if( _wSeqCounter == 0 )
|
|
GenError( ERR_ENDIF, NULL, NULL );
|
|
return END;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"end" { BEGIN END_; }
|
|
<END_>{Separator}*[\[\(] { /* array, function call */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* Clipper does not like end[] & end() at the begining of line */
|
|
GenError( ERR_ENDIF, NULL, NULL );
|
|
}
|
|
yylval.string = yy_strdup( "END" );
|
|
_iState =IDENTIFIER;
|
|
unput( yytext[ yyleng-1 ] );
|
|
return IDENTIFIER;
|
|
}
|
|
<END_>{Separator}*("->"|"++"|"--") { /* operators */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* Clipper does not like end-> & end++ at the begining of line */
|
|
GenError( ERR_ENDIF, NULL, NULL );
|
|
}
|
|
yylval.string = yy_strdup( "END" );
|
|
_iState =IDENTIFIER;
|
|
unput( yytext[ yyleng-1 ] );
|
|
unput( yytext[ yyleng-2 ] );
|
|
return IDENTIFIER;
|
|
}
|
|
<END_>{Separator}*[\+\-\:\=\|\$\%\*\,\/\[\]\)\}\^] { /* there is an operator after "end" */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
yylval.string = yy_strdup( "END" );
|
|
_iState =IDENTIFIER;
|
|
unput( yytext[ yyleng-1 ] );
|
|
return IDENTIFIER;
|
|
}
|
|
<END_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<END_>{Separator}*(\n|.) { /* not operator */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( yytext[ yyleng-1 ] == '\n' )
|
|
--iLine;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( _iState == LOOKUP )
|
|
{ /* it is first item in the line */
|
|
_iState =END;
|
|
return END;
|
|
}
|
|
else
|
|
{ /* there is another item in line already */
|
|
yylval.string = yy_strdup( "END" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"endif"|"endi" { /* ENDIF can be used in one context only */
|
|
if( _wIfCounter == 0 )
|
|
GenError( ERR_ENDIF, NULL, NULL );
|
|
return ENDIF;
|
|
}
|
|
"endc"("ase"|"as"|"a")? { /* ENDCASE can be used in one context only */
|
|
if( _wCaseCounter == 0 )
|
|
GenError( ERR_ENDCASE, NULL, NULL );
|
|
return ENDCASE;
|
|
}
|
|
"enddo"|"endd" { /* ENDDO can be used in one context only */
|
|
if( _wWhileCounter == 0 )
|
|
GenError( ERR_ENDDO, NULL, NULL );
|
|
return ENDDO;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"exit" { BEGIN EXIT_; }
|
|
<EXIT_>{Separator}*[\n] { /* EXIT last item in the line */
|
|
yy_lex_count_lf();
|
|
--iLine;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* it is first item in the line */
|
|
if( _wForCounter == 0 && _wWhileCounter == 0 )
|
|
GenError( ERR_UNMATCHED_EXIT, "EXIT", NULL );
|
|
_iState =EXITLOOP;
|
|
return EXITLOOP;
|
|
}
|
|
else
|
|
{ /* there is another item in line already */
|
|
yylval.string = yy_strdup( "EXIT" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<EXIT_>{Separator}+[fFpP] { /* FUNCTION or PROCEDURE after EXIT */
|
|
yy_lex_count_lf();
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* it is first item in the line */
|
|
_iState =EXIT;
|
|
return EXIT;
|
|
}
|
|
else
|
|
{ /* there is another item in line already */
|
|
yylval.string = yy_strdup( "EXIT" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<EXIT_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<EXIT_>{Separator}*. { /* any character (not identifier) after EXIT */
|
|
yy_lex_count_lf();
|
|
unput( yytext[ yyleng-1 ] );
|
|
yylval.string = yy_strdup( "EXIT" );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"exte"|"exter"|"extern"|"externa"|"external" { BEGIN EXTERNAL_;
|
|
yylval.string = yy_strupr( yy_strdup( yytext ) );
|
|
}
|
|
<EXTERNAL_>{Separator}+[_a-zA-Z] { /* an identifier after the EXTERNAL */
|
|
yy_lex_count_lf();
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{
|
|
free( yylval.string );
|
|
_iState =EXTERN;
|
|
return EXTERN;
|
|
}
|
|
else
|
|
{
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<EXTERNAL_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<EXTERNAL_>{Separator}*[^_a-zA-Z] {
|
|
yy_lex_count_lf();
|
|
if( yytext[ yyleng-1 ] == '\n' )
|
|
--iLine;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
<EXTERNAL_>. { if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0; unput( yytext[ yyleng-1 ] ); }
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"fiel"|"field" { BEGIN FIELD_;
|
|
yylval.string = yy_strupr( yy_strdup( yytext ) );
|
|
}
|
|
<FIELD_>{Separator}+[_a-zA-Z] { /* an identifier after the FIELD */
|
|
yy_lex_count_lf();
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{
|
|
free( yylval.string );
|
|
_iState =FIELD;
|
|
return FIELD;
|
|
}
|
|
else
|
|
{
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<FIELD_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<FIELD_>{Separator}*[^_a-zA-Z] {
|
|
yy_lex_count_lf();
|
|
if( yytext[ yyleng-1 ] == '\n' )
|
|
--iLine;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
<FIELD_>. { if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0; unput( yytext[ yyleng-1 ] ); }
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"for" { BEGIN FOR_; }
|
|
<FOR_>{Separator}+[_a-zA-Z] { /* an identifier after the FOR */
|
|
yy_lex_count_lf();
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{
|
|
_iState =FOR;
|
|
return FOR;
|
|
}
|
|
else
|
|
{ /* for example: DO for WITH variable */
|
|
yylval.string = yy_strdup( "FOR" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<FOR_>{Separator}*[\(] { /* function call */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* Clipper does not like FOR() at the begining of line */
|
|
GenError( ERR_SYNTAX, yytext, NULL );
|
|
}
|
|
yylval.string = yy_strdup( "FOR" );
|
|
_iState =IDENTIFIER;
|
|
unput( yytext[ yyleng-1 ] );
|
|
return IDENTIFIER;
|
|
}
|
|
<FOR_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<FOR_>{Separator}*[^_a-zA-Z] { /* there is no identifier after "FOR" */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( yytext[ yyleng-1 ] == '\n' )
|
|
--iLine;
|
|
yylval.string = yy_strdup( "FOR" );
|
|
unput( yytext[ yyleng-1 ] );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"func"|"funct"|"functi"|"functio"|"function" { BEGIN FUNCTION_; }
|
|
<FUNCTION_>{Separator}+[_a-zA-Z] {
|
|
yy_lex_count_lf();
|
|
BEGIN 0; /* we can don't care about INDEX_STATE here */
|
|
unput( yytext[ yyleng-1 ] );
|
|
_iState=FUNCTION;
|
|
return FUNCTION;
|
|
}
|
|
<FUNCTION_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<FUNCTION_>{Separator}*[^_a-zA-Z] { /* Clipper needs FUNCTION in one context only */
|
|
GenError( ERR_SYNTAX, ((yytext[ yyleng-1 ]=='\n')?"FUNCTION":yytext), NULL );
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"iif" {
|
|
if( _iState == FUNCTION || _iState == PROCEDURE )
|
|
GenError( ERR_SYNTAX, "IIF", NULL );
|
|
else
|
|
BEGIN IIF_;
|
|
/* Note: In Clipper:
|
|
IIF( expression )
|
|
ENDIF
|
|
is not a valid statement -this is why we have to separate
|
|
IF and IIF
|
|
*/
|
|
}
|
|
<IIF_>{Separator}*"(" {
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
_iState=IIF;
|
|
return IIF;
|
|
}
|
|
<IIF_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<IIF_>{Separator}*[^\(] {
|
|
GenError( ERR_SYNTAX, ((yytext[ yyleng-1 ]=='\n')?"IIF":yytext), NULL );
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"if" {
|
|
if( _iState == FUNCTION || _iState == PROCEDURE )
|
|
GenError( ERR_SYNTAX, "IF", NULL );
|
|
else
|
|
BEGIN IF_;
|
|
}
|
|
<IF_>{Separator}*"(" {
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( _iState == LOOKUP )
|
|
_iState =IF;
|
|
else
|
|
_iState =IIF;
|
|
return _iState;
|
|
}
|
|
<IF_>{Separator}*[\)\[\]\/\^\*\%\=\$\@] {
|
|
GenError( ERR_SYNTAX2, yytext, "IF" );
|
|
}
|
|
<IF_>{Separator}*"->" {
|
|
GenError( ERR_SYNTAX2, yytext, "IF" );
|
|
}
|
|
<IF_>{Separator}*[\n] {
|
|
GenError( ERR_SYNTAX, "IF", NULL );
|
|
}
|
|
<IF_>{Separator}*("++"|"--")/[\n] {
|
|
GenError( ERR_SYNTAX2, yytext, "IF" );
|
|
}
|
|
<IF_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<IF_>{Separator}*. {
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
_iState =IF;
|
|
return IF;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"in" BEGIN IN_;
|
|
<IN_>{Separator}+[_a-zA-Z] {
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( _iState == IDENTIFIER )
|
|
return IN;
|
|
else
|
|
{
|
|
yylval.string =yy_strdup( "IN" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<IN_>{Separator}*\n {
|
|
yy_lex_count_lf();
|
|
--iLine;
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
yylval.string =yy_strdup( "IN" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
<IN_>{Separator}*[0-9] {
|
|
GenError( ERR_SYNTAX, yytext, NULL );
|
|
}
|
|
<IN_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<IN_>{Separator}*. {
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
yylval.string =yy_strdup( "IN" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"include" BEGIN INCLUDE_;
|
|
<INCLUDE_>{Separator}+\" { /* only "" are allowed for filename */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
_iState =INCLUDE;
|
|
return INCLUDE;
|
|
}
|
|
<INCLUDE_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<INCLUDE_>{Separator}*[^\"] {
|
|
yy_lex_count_lf();
|
|
if( yytext[ yyleng-1 ] == '\n' )
|
|
--iLine;
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
yylval.string =yy_strdup( "INCLUDE" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"init" BEGIN INIT_;
|
|
<INIT_>{Separator}+[fFpP] { /* FUNCTION or PROCEDURE after INIT */
|
|
yy_lex_count_lf();
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* it is first item in the line */
|
|
_iState =INIT;
|
|
return INIT;
|
|
}
|
|
else
|
|
{ /* there is another item in line already */
|
|
yylval.string = yy_strdup( "INIT" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<INIT_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<INIT_>{Separator}*[^fFpP] { /* any character (not identifier) after EXIT */
|
|
yy_lex_count_lf();
|
|
if( yytext[ yyleng-1 ] == '\n' )
|
|
--iLine;
|
|
unput( yytext[ yyleng-1 ] );
|
|
yylval.string = yy_strdup( "INIT" );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"local" BEGIN LOCAL_;
|
|
<LOCAL_>{Separator}+[_a-zA-Z] { /* an identifier after LOCAL */
|
|
yy_lex_count_lf();
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* it is first item in the line */
|
|
_iState =LOCAL;
|
|
return LOCAL;
|
|
}
|
|
else
|
|
{ /* there is another item in line already */
|
|
yylval.string = yy_strdup( "LOCAL" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<LOCAL_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<LOCAL_>{Separator}*[^a-zA-Z] { /* any character (not identifier) after LOCAL */
|
|
yy_lex_count_lf();
|
|
if( yytext[ yyleng-1 ] == '\n' )
|
|
--iLine;
|
|
unput( yytext[ yyleng-1 ] );
|
|
yylval.string = yy_strdup( "LOCAL" );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"loop" BEGIN LOOP_;
|
|
<LOOP_>{Separator}*\n { /* at the end of the line */
|
|
yy_lex_count_lf();
|
|
--iLine;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* it is first item in the line */
|
|
if( _wWhileCounter == 0 && _wForCounter == 0 )
|
|
GenError( ERR_UNMATCHED_EXIT, "LOOP", NULL );
|
|
_iState =LOOP;
|
|
return LOOP;
|
|
}
|
|
else
|
|
{ /* there is another item in line already */
|
|
yylval.string = yy_strdup( "LOOP" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<LOOP_>{Separator}*. { /* any character (not LF) after LOOP */
|
|
yy_lex_count_lf();
|
|
unput( yytext[ yyleng-1 ] );
|
|
yylval.string = yy_strdup( "LOOP" );
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"memvar" _iState =MEMVAR; return MEMVAR;
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"next" BEGIN NEXT_;
|
|
<NEXT_>{Separator}*[\n\;] { /* at the end of line */
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( yytext[ yyleng-1 ] == '\n' )
|
|
--iLine;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( _iState == LOOKUP )
|
|
{ /* it is first item in the line */
|
|
if( _wForCounter == 0 )
|
|
GenError( ERR_NEXTFOR, NULL, NULL );
|
|
_iState =NEXT;
|
|
return NEXT;
|
|
}
|
|
else
|
|
{ /* there is another item in line already */
|
|
unput( yytext[ yyleng-1 ] );
|
|
yylval.string = yy_strdup( "NEXT" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
<NEXT_>{Separator}*[\[\(] { /* array, function call */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* Clipper does not like NEXT[] & NEXT() at the begining of line */
|
|
GenError( ERR_NEXTFOR, NULL, NULL );
|
|
}
|
|
yylval.string = yy_strdup( "NEXT" );
|
|
_iState =IDENTIFIER;
|
|
unput( yytext[ yyleng-1 ] );
|
|
return IDENTIFIER;
|
|
}
|
|
<NEXT_>{Separator}*("->"|"++"|"--") { /* operators */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
if( _iState == LOOKUP )
|
|
{ /* Clipper does not like next-> & next++ at the begining of line */
|
|
GenError( ERR_NEXTFOR, NULL, NULL );
|
|
}
|
|
yylval.string = yy_strdup( "NEXT" );
|
|
_iState =IDENTIFIER;
|
|
unput( yytext[ yyleng-1 ] );
|
|
unput( yytext[ yyleng-2 ] );
|
|
return IDENTIFIER;
|
|
}
|
|
<NEXT_>{Separator}*[^_a-zA-Z] { /* there is no identifier after "next" */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
yylval.string = yy_strdup( "NEXT" );
|
|
unput( yytext[ yyleng-1 ] );
|
|
return IDENTIFIER;
|
|
}
|
|
<NEXT_>{Separator}*. { /* an identifier follows NEXT statement */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( _iState == LOOKUP )
|
|
{
|
|
if( _wForCounter == 0 )
|
|
GenError( ERR_NEXTFOR, NULL, NULL );
|
|
_iState =NEXT;
|
|
return NEXT;
|
|
}
|
|
else
|
|
{
|
|
yylval.string = yy_strdup( "NEXT" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"nil" return NIL;
|
|
"otherwise" return OTHERWISE;
|
|
"parameters" _iState =PARAMETERS; return PARAMETERS;
|
|
"private" _iState =PRIVATE; return PRIVATE;
|
|
"proc"|"procedure" return PROCEDURE;
|
|
"public" _iState =PUBLIC; return PUBLIC;
|
|
"qself"{SpaceTab}*[(]{SpaceTab}*[)] return SELF;
|
|
"recover" _iState =RECOVER; return RECOVER;
|
|
"retu"|"retur"|"return" _iState =RETURN; return RETURN;
|
|
"static" _iState =STATIC; return STATIC;
|
|
"step"/[^(] return STEP;
|
|
"to" return TO;
|
|
"using" return USING;
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"while" BEGIN WHILE_;
|
|
<WHILE_>{Separator}*\n { /* end of line */
|
|
yy_lex_count_lf();
|
|
--iLine;
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( '\n' );
|
|
if( _iState == DO )
|
|
{ /* we have DO while - replace it with while() */
|
|
unput( ')' ); unput( '(' );
|
|
}
|
|
yylval.string = yy_strdup( "WHILE" );
|
|
return IDENTIFIER;
|
|
}
|
|
<WHILE_>{Separator}*[\[] { /* array */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
/* Clipper does not like while[] at all */
|
|
GenError( ERR_SYNTAX, yytext, NULL );
|
|
}
|
|
<WHILE_>{Separator}*[\:\=\|\$\%\*\,\/\]\)\}\^] { /* there is an operator after "case" */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
yylval.string = yy_strdup( "WHILE" );
|
|
unput( yytext[ yyleng-1 ] );
|
|
return IDENTIFIER;
|
|
}
|
|
<WHILE_>{Separator}*("+="|"-="|"->") { /* operators */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
yylval.string = yy_strdup( "WHILE" );
|
|
unput( yytext[ yyleng-1 ] );
|
|
unput( yytext[ yyleng-2 ] );
|
|
return IDENTIFIER;
|
|
}
|
|
<WHILE_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<WHILE_>{Separator}*. { /* identifiers and literals */
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( _iState == LOOKUP || _iState == DO )
|
|
{ /* it is first item in the line or after DO or FIELD */
|
|
_iState =WHILE;
|
|
return WHILE;
|
|
}
|
|
else
|
|
{ /* there is another item in line already */
|
|
yylval.string = yy_strdup( "WHILE" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"with" BEGIN WITH_;
|
|
<WITH_>{Separator}*\n { /* at the end of line */
|
|
yy_lex_count_lf();
|
|
--iLine;
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( '\n' );
|
|
yylval.string = yy_strdup( "WITH" );
|
|
return IDENTIFIER;
|
|
}
|
|
<WITH_>{Separator}*"with" {
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
yyless( yyleng-4 );
|
|
if( _iState == DO )
|
|
{ /* DO with */
|
|
_iState =IDENTIFIER;
|
|
yylval.string = yy_strdup( "WITH" );
|
|
return IDENTIFIER;
|
|
}
|
|
else
|
|
{ /* DO WITH with <arg> */
|
|
_iState =WITH;
|
|
return WITH;
|
|
}
|
|
}
|
|
<WITH_>{Separator}*[\[] { /* array */
|
|
yy_lex_count_lf();
|
|
/* Clipper does not like with[] at all */
|
|
GenError( ERR_SYNTAX, yytext, NULL );
|
|
}
|
|
<WITH_>{Separator}*;.*\n yy_lex_count_lf(); /* ignore any text after ';' */
|
|
<WITH_>{Separator}*. {
|
|
yy_lex_count_lf();
|
|
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
|
|
unput( yytext[ yyleng-1 ] );
|
|
if( _iState == WHILE || _iState == DO || _iState == IDENTIFIER )
|
|
{ /* DO <ident> WITH <arg> */
|
|
_iState =WITH;
|
|
return WITH;
|
|
}
|
|
else
|
|
{
|
|
yylval.string = yy_strdup( "WITH" );
|
|
_iState =IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
|
|
"as numeric" { return AS_NUMERIC; }
|
|
"as character" { return AS_CHARACTER; }
|
|
"as logical" { return AS_LOGICAL; }
|
|
"as date" { return AS_DATE; }
|
|
"as array" { return AS_ARRAY; }
|
|
"as object" { return AS_OBJECT; }
|
|
|
|
%{
|
|
/* ************************************************************************ */
|
|
%}
|
|
"#" _iState =OPERATOR; return NE1;
|
|
"=" _iState =OPERATOR; return yytext[ 0 ];
|
|
"+" _iState =OPERATOR; return yytext[ 0 ];
|
|
"-" _iState =OPERATOR; return yytext[ 0 ];
|
|
"*" _iState =OPERATOR; return yytext[ 0 ];
|
|
[\/] _iState =OPERATOR; return yytext[ 0 ];
|
|
"%" _iState =OPERATOR; return yytext[ 0 ];
|
|
"$" _iState =OPERATOR; return yytext[ 0 ];
|
|
"<>"|"!=" _iState =OPERATOR; return NE2;
|
|
":=" _iState =OPERATOR; return INASSIGN;
|
|
"==" _iState =OPERATOR; return EQ;
|
|
"++" _iState =OPERATOR; return INC;
|
|
"--" _iState =OPERATOR; return DEC;
|
|
"->" _iState =OPERATOR; return ALIAS;
|
|
"<=" _iState =OPERATOR; return LE;
|
|
">=" _iState =OPERATOR; return GE;
|
|
"+=" _iState =OPERATOR; return PLUSEQ;
|
|
"-=" _iState =OPERATOR; return MINUSEQ;
|
|
"*=" _iState =OPERATOR; return MULTEQ;
|
|
"/=" _iState =OPERATOR; return DIVEQ;
|
|
"^=" _iState =OPERATOR; return EXPEQ;
|
|
"%=" _iState =OPERATOR; return MODEQ;
|
|
"**"|"^" _iState =OPERATOR; return POWER;
|
|
"."[t|y]"." _iState =SEPARATOR; return TRUEVALUE;
|
|
"."[f|n]"." _iState =SEPARATOR; return FALSEVALUE;
|
|
".and." _iState =OPERATOR; return AND;
|
|
".or." _iState =OPERATOR; return OR;
|
|
"!"|".not." _iState =OPERATOR; return NOT;
|
|
"::" unput( ':' ); unput( 'f' ); unput( 'l' ); unput( 'e' ); unput( 'S' );
|
|
[,\{\}\|\#\&\:\<\>\[\]\@] _iState =OPERATOR; return yytext[ 0 ];
|
|
[\(] ++_iOpenBracket; _iState =SEPARATOR; return yytext[ 0 ];
|
|
[\)] --_iOpenBracket; _iState =SEPARATOR; return yytext[ 0 ];
|
|
|
|
{InvalidNumber} GenError( ERR_NUMERIC_FORMAT, NULL, NULL );
|
|
|
|
{Number} { char * ptr;
|
|
yylval.dNum.dNumber = atof( yytext );
|
|
ptr = strchr( yytext, '.' );
|
|
if( ptr )
|
|
{
|
|
yylval.dNum.bDec = strlen( ptr + 1 );
|
|
return DOUBLE;
|
|
}
|
|
else
|
|
{
|
|
if( ( double )SHRT_MIN <= yylval.dNum.dNumber &&
|
|
yylval.dNum.dNumber <= ( double )SHRT_MAX )
|
|
{
|
|
yylval.iNumber = ( int ) yylval.dNum.dNumber;
|
|
return INTEGER;
|
|
}
|
|
else if( ( double )LONG_MIN <= yylval.dNum.dNumber &&
|
|
yylval.dNum.dNumber <= ( double )LONG_MAX )
|
|
{
|
|
yylval.lNumber = ( long ) yylval.dNum.dNumber;
|
|
return INTLONG;
|
|
}
|
|
else
|
|
{
|
|
yylval.dNum.bDec = 0;
|
|
return DOUBLE;
|
|
}
|
|
}
|
|
}
|
|
|
|
{HexNumber} { sscanf( yytext, "%lxI", &lNumber );
|
|
|
|
if( ( double )SHRT_MIN <= lNumber &&
|
|
lNumber <= ( double )SHRT_MAX )
|
|
{
|
|
yylval.iNumber = lNumber;
|
|
return INTEGER;
|
|
}
|
|
else if( ( double )LONG_MIN <= lNumber &&
|
|
lNumber <= ( double )LONG_MAX )
|
|
{
|
|
yylval.lNumber = lNumber;
|
|
return INTLONG;
|
|
}
|
|
else
|
|
{
|
|
yylval.dNum.dNumber = lNumber;
|
|
yylval.dNum.bDec = 0;
|
|
return DOUBLE;
|
|
}
|
|
}
|
|
|
|
{Array} {
|
|
if( ! i_INDEX_STATE )
|
|
{
|
|
BEGIN INDEX;
|
|
i_INDEX_STATE = 1;
|
|
}
|
|
|
|
unput( '[' );
|
|
yyleng--;
|
|
|
|
/* Remove optional white space between Identifier and Index */
|
|
while( yytext[ yyleng - 1 ] < 48 )
|
|
yyleng--;
|
|
|
|
yytext[yyleng] = 0;
|
|
|
|
{
|
|
PDEFINE pDef = FindDef( yytext );
|
|
char * szText; int c;
|
|
|
|
if( pDef )
|
|
{
|
|
c = strlen( pDef->szValue ) - 1;
|
|
szText = pDef->szValue;
|
|
while( c >= 0 )
|
|
unput( szText[ c-- ] );
|
|
}
|
|
else
|
|
{
|
|
if( _iRestrictSymbolLength && strlen( yytext ) > 10 )
|
|
{
|
|
yytext[ 10 ] = 0;
|
|
yyleng = 10;
|
|
}
|
|
yylval.string = yy_strupr( yy_strdup( yytext ) );
|
|
/*printf( "\nIdentifier = '%s'\n", yy_strupr( yy_strdup( yytext ) ) );*/
|
|
_iState = IDENTIFIER;
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
}
|
|
|
|
{ExpArray} {
|
|
/* Must be recursive */
|
|
if( ! i_INDEX_STATE )
|
|
{
|
|
BEGIN INDEX;
|
|
i_INDEX_STATE = 1;
|
|
}
|
|
|
|
unput( '[' );
|
|
/*
|
|
yyleng = 1;
|
|
yytext[1] = 0;
|
|
yylval.string = yy_strdup( ")" );
|
|
*/
|
|
_iState = OPERATOR;
|
|
--_iOpenBracket;
|
|
return ')';
|
|
}
|
|
|
|
{SubArray} {
|
|
/* Must be recursive */
|
|
if( i_INDEX_STATE )
|
|
{
|
|
BEGIN INDEX;
|
|
i_INDEX_STATE = 1;
|
|
}
|
|
|
|
iIndexSets--;
|
|
|
|
unput( '[' );
|
|
/*
|
|
yyleng = 1;
|
|
yytext[1] = 0;
|
|
yylval.string = yy_strdup( "]" );
|
|
*/
|
|
_iState = OPERATOR;
|
|
return ']';
|
|
}
|
|
|
|
{Identifier} {
|
|
PDEFINE pDef = FindDef( yytext );
|
|
char * szText; int c;
|
|
_iState = IDENTIFIER;
|
|
if( pDef )
|
|
{
|
|
c = strlen( pDef->szValue ) - 1;
|
|
szText = pDef->szValue;
|
|
while( c >= 0 )
|
|
unput( szText[ c-- ] );
|
|
}
|
|
else
|
|
{
|
|
if( _iRestrictSymbolLength && strlen( yytext ) > 10 )
|
|
{
|
|
yytext[ 10 ] = 0;
|
|
yyleng = 10;
|
|
}
|
|
yylval.string = yy_strupr( yy_strdup( yytext ) );
|
|
return IDENTIFIER;
|
|
}
|
|
}
|
|
|
|
%%
|
|
|
|
PDEFINE LastDef( PDEFINE pDef )
|
|
{
|
|
while( pDef->pNext )
|
|
pDef = (PDEFINE) pDef->pNext;
|
|
|
|
return pDef;
|
|
}
|
|
|
|
void Define( char * szDefine )
|
|
{
|
|
PDEFINE pDef = ( PDEFINE ) malloc( sizeof( _DEFINE ) );
|
|
|
|
if( ! pDefs )
|
|
pDefs = pDef;
|
|
else
|
|
LastDef( pDefs )->pNext = pDef;
|
|
|
|
pDef->szDefine = yy_strdup( szDefine );
|
|
pDef->szValue = 0;
|
|
pDef->pKeys = 0;
|
|
pDef->pNext = 0;
|
|
}
|
|
|
|
void DefineKey( char * szKey )
|
|
{
|
|
PDEFINE pDef = ( PDEFINE ) malloc( sizeof( _DEFINE ) );
|
|
PDEFINE pLast = LastDef( pDefs );
|
|
|
|
if( pLast->pKeys )
|
|
LastDef( (PDEFINE) pLast->pKeys )->pNext = pDef;
|
|
else
|
|
pLast->pKeys = pDef;
|
|
|
|
pDef->szDefine = yy_strdup( szKey );
|
|
pDef->szValue = 0;
|
|
pDef->pKeys = 0;
|
|
pDef->pNext = 0;
|
|
}
|
|
|
|
PDEFINE FindDef( char * szText )
|
|
{
|
|
PDEFINE pDef = pDefs;
|
|
|
|
while( pDef )
|
|
{
|
|
if( ! strcmp( pDef->szDefine, szText ) )
|
|
return pDef;
|
|
else
|
|
{
|
|
if( pDef->pNext )
|
|
pDef = (PDEFINE) pDef->pNext;
|
|
else
|
|
return 0;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Removed for preprocessor needs
|
|
void AddDefine( char * szId, char * szValue )
|
|
{
|
|
PDEFINE pDefine = FindDef( szId );
|
|
|
|
if( pDefine )
|
|
{
|
|
if( pDefine->szValue )
|
|
{
|
|
free( pDefine->szValue );
|
|
pDefine->szValue = 0;
|
|
}
|
|
if( szValue )
|
|
pDefine->szValue = yy_strdup( szValue );
|
|
}
|
|
else
|
|
{
|
|
Define( szId );
|
|
if( szValue )
|
|
LastDef( pDefs )->szValue = yy_strdup( szValue );
|
|
}
|
|
}
|
|
|
|
int yy_lex_input( char *buffer, int iBufferSize )
|
|
{
|
|
int i;
|
|
static int _ineedLF = 1;
|
|
|
|
if( ((i = fread(buffer, 1, iBufferSize, yyin)) == 0) && ferror(yyin) )
|
|
YY_FATAL_ERROR( "input in flex scanner failed" );
|
|
|
|
if( i == iBufferSize )
|
|
_ineedLF =( buffer[i-1] != '\n' );
|
|
|
|
else if( i < iBufferSize && _ineedLF )
|
|
{
|
|
if( i == 0 )
|
|
buffer[ i++ ] ='\n';
|
|
else if( buffer[ i-1 ] != '\n' )
|
|
buffer[ i++ ] ='\n';
|
|
_ineedLF =0;
|
|
}
|
|
return i;
|
|
}
|
|
*/
|
|
|
|
int yy_lex_input( char *buffer, int iBufferSize )
|
|
{
|
|
return PreProcess( yyin, (lPpo)? yyppo:NULL, buffer );
|
|
}
|