Files
harbour-core/harbour/source/compiler/harbour.l
2000-03-12 15:35:54 +00:00

1581 lines
61 KiB
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%{
/*
* $Id$
*/
/*
* Harbour Project source code:
* Compiler LEX rules
*
* Copyright 1999 Antonio Linares <alinares@fivetech.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) with other files to produce
* an executable, this does not by itself cause the resulting executable
* to be covered by the GNU General Public License. Your use of that
* executable is in no way restricted on account of linking the HRL
* and/or HVM code into it.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
/* Compile using: flex -i -8 -oyylex.c harbour.l */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include "hbcomp.h"
#include "harboury.h"
#include "hbsetup.h" /* main configuration file */
#include "hberrors.h"
#include "hbdefs.h"
/* helper functions */
static int yy_ConvertNumber( char * szBuffer );
/* YACC functions */
void yyerror( char * );
static void yyunput( int, char * );
#undef yywrap /* to implement our own yywrap() funtion to handle EOFs */
#ifdef __cplusplus
extern "C" int yywrap( void );
#else
int yywrap( void );
#endif
#undef YY_INPUT /* to implement our own YY_INPUT function to manage PRGs without \n at the end */
extern FILE * yyin; /* currently yacc parsed file */
/* Following two lines added for preprocessor */
int yy_lex_input( char *, int );
#define YY_INPUT( buf, result, max_size ) result = yy_lex_input( buf, max_size );
#define LOOKUP 0 /* scan from the begining of line */
#define OPERATOR -1
#define SEPARATOR -2
static int hb_comp_iState = LOOKUP;
static int _iOpenBracket = 0;
/* Support for Array Index */
static int iIndexSets = 0;
static int i_INDEX_STATE = 0;
%}
%{
#ifdef __WATCOMC__
/* disable warnings for unreachable code */
#pragma warning 13 9
#endif
%}
SpaceTab [ \t]+
Number ([0-9]+)|([0-9]*\.[0-9]+)
InvalidNumber [0-9]+\.
HexNumber 0x[0-9A-F]+
Identifier (([a-zA-Z])|([_a-zA-Z][_a-zA-Z0-9]+))
MacroVar \&{Identifier}[\.]?
MacroEnd \&{Identifier}\.({Identifier})|([0-9]+)
MacroId ({Identifier}\&(({Identifier}[\.]?)|({Identifier}\.({Identifier})|([0-9]+))))
MacroTxt ({MacroVar}|{MacroEnd}|{MacroId})+
TrueValue "."[t|y]"."
FalseValue "."[f|n]"."
Array {Identifier}[ \t]*"["
MacroVarArray {MacroVar}[ \t]*"["
MacroTxtArray ({MacroEnd}|{MacroId}|{MacroTxt})[ \t]*"["
AtArray "}"[ \t]*"["
ExpArray ")"[ \t]*"["
SubArray "]"[ \t]*"["
Separator {SpaceTab}
%x STRING1 STRING2 STRING3
%x NEXT_ BREAK_ CASE_ DO_ WHILE_ WITH_ END_ EXIT_ EXTERNAL_ FIELD_
%x FOR_ FUNCTION_ IIF_ IF_ IN_ INIT_ LOCAL_ LOOP_ DECLARE_
%x MEMVAR_ PARAM_ PRIVATE_ PUBLIC_ STATIC_ RETURN_ RECOVER_
%x INVALIDNUM_ OTHERWISE_ PROCEDURE_
%s INDEX
%%
"&"("'"|\"|\[) { hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, yytext, NULL ); }
' BEGIN STRING1;
\" BEGIN STRING2;
"="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =OPERATOR; return '='; }
"+"[ \t]*"[" { BEGIN STRING3; hb_comp_iState =OPERATOR; return '+'; }
"-"[ \t]*"[" { BEGIN STRING3; hb_comp_iState =OPERATOR; return '-'; }
"*"[ \t]*"[" { BEGIN STRING3; hb_comp_iState =OPERATOR; return '*'; }
"/"[ \t]*"[" { BEGIN STRING3; hb_comp_iState =OPERATOR; return '/'; }
"%"[ \t]*"[" { BEGIN STRING3; hb_comp_iState =OPERATOR; return '%'; }
"$"[ \t]*"[" { BEGIN STRING3; hb_comp_iState =OPERATOR; return '$'; }
("<>"|"!=")[ \t]*"[" { BEGIN STRING3; hb_comp_iState =NE2; return NE2; }
":="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =INASSIGN; return INASSIGN; }
"=="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =EQ; return EQ; }
"<="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =LE; return LE; }
">="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =GE; return GE; }
"+="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =PLUSEQ; return PLUSEQ; }
"-="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =MINUSEQ; return MINUSEQ; }
"*="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =MULTEQ; return MULTEQ; }
"/="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =DIVEQ; return DIVEQ; }
"^="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =EXPEQ; return EXPEQ; }
"%="[ \t]*"[" { BEGIN STRING3; hb_comp_iState =MODEQ; return MODEQ; }
("**"|"^")[ \t]*"[" { BEGIN STRING3; hb_comp_iState =POWER; return POWER; }
".and."[ \t]*"[" { BEGIN STRING3; return AND; }
".or."[ \t]*"[" { BEGIN STRING3; return OR; }
("!"|".not.")[ \t]*"[" { BEGIN STRING3; return NOT; }
(","|"{"|"<"|">"|"(")[ \t]*"[" { BEGIN STRING3; hb_comp_iState = OPERATOR; yyleng = 1; yytext[1] = 0; return yytext[ 0 ]; }
("retu"|"retur"|"return")[ \t]*"[" { BEGIN STRING3; hb_comp_iState = RETURN; return RETURN; }
<INITIAL>\[ { BEGIN STRING3; }
<STRING1>[^'^\n]* { hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_STRING_TERMINATOR, yytext, NULL ); BEGIN 0; }
<STRING2>[^\"^\n]* { hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_STRING_TERMINATOR, yytext, NULL ); BEGIN 0; }
<STRING3>[^\]]*\n { hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_STRING_TERMINATOR, yytext, NULL ); BEGIN 0; }
<STRING1>[^']*' { if( i_INDEX_STATE )
BEGIN INDEX;
else
BEGIN 0;
yyleng--;
yytext[yyleng] = 0;
yylval.string = hb_strdup( yytext );
/*printf( "\nLITERAL = %s\n", yylval.string );*/
return LITERAL;
}
<STRING2>[^\"]*\" { if( i_INDEX_STATE )
BEGIN INDEX;
else
BEGIN 0;
yyleng--;
yytext[yyleng] = 0;
yylval.string = hb_strdup( yytext );
/*printf( "\nLITERAL = %s\n", yylval.string );*/
return LITERAL;
}
<STRING3>[^\]]*\] { if( i_INDEX_STATE )
BEGIN INDEX;
else
BEGIN 0;
yyleng--;
yytext[yyleng] = 0;
yylval.string = hb_strdup( yytext );
/*printf( "\nLITERAL = %s\n", yylval.string );*/
return LITERAL;
}
<INDEX>\n { hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_UNTERM_ARRAY_INDEX, NULL, NULL ); }
<INDEX>\[ { iIndexSets++; return yytext[ 0 ]; }
<INDEX>\] {
iIndexSets-- ;
if( iIndexSets == 0 )
{
/*printf( "\nIndex End\n" );*/
/* No longer in this state. */
i_INDEX_STATE = 0;
BEGIN 0;
}
hb_comp_iState =OPERATOR;
return yytext[ 0 ];
}
{SpaceTab} ;
\n.* {
hb_comp_iState = LOOKUP;
yyless( 1 );
/*++hb_comp_iLine;*/
#if 0
if( ! hb_comp_bQuiet )
{
printf( "\r%i", hb_comp_iLine );
}
#endif
if( ! hb_comp_bQuiet && ( hb_comp_iLine % 100 ) == 0 )
{
printf( "\r%i", hb_comp_iLine );
fflush( stdout );
}
return '\n';
}
%{
/* ************************************************************************ */
%}
; hb_comp_iState = LOOKUP; if( ! i_INDEX_STATE ) return ';';
%{
/* ************************************************************************ */
%}
"anno"("unce"|"unc"|"un"|"u")? return ANNOUNCE;
%{
/* ************************************************************************ */
%}
"begin"{Separator}+"sequ"("ence"|"enc"|"en"|"e")? return BEGINSEQ;
%{
/* ************************************************************************ */
%}
"break" { if( hb_comp_iState == LOOKUP )
BEGIN BREAK_;
else
{
yylval.string = hb_strupr( hb_strdup( yytext ) );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<BREAK_>{Separator}*[\n;] { /* at the end of line */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
return BREAK;
}
%{
/* NOTE: Clipper does not like break[] in any context
* There are no resons to limit this use in Harbour.
*/
/*
<BREAK_>{Separator}*[\[] {
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, yytext, NULL );
}
*/
%}
<BREAK_>{Separator}*(":="|"+="|"-="|"->"|"*="|"/="|"^="|"==") { /* operators */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "BREAK" );
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
<BREAK_>{Separator}*("++"|"--") { /* operators */
/* NOTE: It is not possible to distinguish between
* break++ and break ++i
* For this reason we are allowing the BREAK statement only
*/
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "BREAK" );
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
hb_comp_iState =BREAK;
return BREAK;
}
<BREAK_>{Separator}*[\=\(] { /* operators = ( */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "BREAK" );
unput( yytext[ yyleng-1 ] );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
<BREAK_>{Separator}*. { /* all other cases */
/* NOTE: This state includes break&var
*/
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
hb_comp_iState =BREAK;
return BREAK;
}
%{
/* ************************************************************************ */
%}
"case" BEGIN CASE_;
<CASE_>{Separator}*[\:\=\|\$\%\*\,\/\]\)\}\^] { /* there is an operator after "case" */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "CASE" );
hb_comp_iState =IDENTIFIER;
unput( yytext[ yyleng-1 ] );
return IDENTIFIER;
}
<CASE_>{Separator}*[\[] { /* array */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
/* Clipper does not like case[] at all */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, yytext, NULL );
}
<CASE_>{Separator}*("+="|"-="|"->") { /* operators */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "CASE" );
hb_comp_iState =IDENTIFIER;
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
return IDENTIFIER;
}
<CASE_>{Separator}*("::") { /* send operators */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
hb_comp_iState =CASE;
return CASE;
}
<CASE_>{Separator}*(\n|.) { /* not operator */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_comp_iState =CASE;
return CASE;
}
else
{ /* there is another item in line already */
yylval.string = hb_strdup( "CASE" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
%{
/* ************************************************************************ */
%}
"decl"("are"|"ar"|"a")? { BEGIN PRIVATE_;
yylval.string = hb_strupr( hb_strdup( yytext ) );
}
%{
/* ************************************************************************ */
%}
"do" BEGIN DO_;
<DO_>{Separator}+"case" { /* DO CASE statement */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =DOCASE;
return DOCASE;
}
<DO_>{Separator}+"while" { /* DO WHILE found -move it to WHILE state */
/* NOTE: we cannot decide here if it is DO WHILE <condition>
* or DO while [WITH <args>]
*/
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =DO;
yyless( yyleng-5 );
}
<DO_>{Separator}+[_a-zA-Z\&] { /* an identifier 'DO id WITH' or 'DO &id WITH' */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_comp_iState =DO;
return DO;
}
else
{ /* there is another item in line already */
yylval.string = hb_strdup( "DO" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<DO_>{Separator}*(.|\n) { /* end of line or any operator */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
yylval.string = hb_strdup( "DO" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"else" { /* ELSE can be used in one context only */
if( hb_comp_wIfCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_UNMATCHED_ELSE, NULL, NULL );
hb_comp_iState =ELSE;
return ELSE;
}
"elseif" { /* ELSEIF can be used in one context only */
if( hb_comp_wIfCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_UNMATCHED_ELSEIF, NULL, NULL );
hb_comp_iState =ELSEIF;
return ELSEIF;
}
"end"{Separator}+"sequ"("ence"|"enc"|"en"|"e")? {
if( hb_comp_wSeqCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_ENDIF, NULL, NULL );
return END;
}
%{
/* ************************************************************************ */
%}
"endif"|"endi" { /* ENDIF can be used in one context only */
if( hb_comp_wIfCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_ENDIF, NULL, NULL );
return ENDIF;
}
"endc"("ase"|"as"|"a")? { /* ENDCASE can be used in one context only */
if( hb_comp_wCaseCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_ENDCASE, NULL, NULL );
return ENDCASE;
}
"enddo"|"endd" { /* ENDDO can be used in one context only */
if( hb_comp_wWhileCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_ENDDO, NULL, NULL );
return ENDDO;
}
%{
/* ************************************************************************ */
%}
"end" { BEGIN END_; }
<END_>{Separator}*[\[\(] { /* array, function call */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* Clipper does not like end[] & end() at the begining of line */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_ENDIF, NULL, NULL );
}
yylval.string = hb_strdup( "END" );
hb_comp_iState =IDENTIFIER;
unput( yytext[ yyleng-1 ] );
return IDENTIFIER;
}
<END_>{Separator}*("->"|"++"|"--") { /* operators */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* Clipper does not like end-> & end++ at the begining of line */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_ENDIF, NULL, NULL );
}
yylval.string = hb_strdup( "END" );
hb_comp_iState =IDENTIFIER;
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
return IDENTIFIER;
}
<END_>{Separator}*[\+\-\:\=\|\$\%\*\,\/\[\]\)\}\^] { /* there is an operator after "end" */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "END" );
hb_comp_iState =IDENTIFIER;
unput( yytext[ yyleng-1 ] );
return IDENTIFIER;
}
<END_>{Separator}*(.|\n) { /* not operator */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_comp_iState =END;
return END;
}
else
{ /* there is another item in line already */
yylval.string = hb_strdup( "END" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
%{
/* ************************************************************************ */
%}
"exit" { BEGIN EXIT_; }
<EXIT_>{Separator}*[\n;] { /* EXIT last item in the line */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
if( hb_comp_wForCounter == 0 && hb_comp_wWhileCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_UNMATCHED_EXIT, "EXIT", NULL );
hb_comp_iState =EXITLOOP;
return EXITLOOP;
}
else
{ /* there is another item in line already */
yylval.string = hb_strdup( "EXIT" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<EXIT_>{Separator}+[fFpP] { /* FUNCTION or PROCEDURE after EXIT */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_comp_iState =EXIT;
return EXIT;
}
else
{ /* there is another item in line already */
yylval.string = hb_strdup( "EXIT" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<EXIT_>{Separator}*. { /* any character (not identifier) after EXIT */
unput( yytext[ yyleng-1 ] );
yylval.string = hb_strdup( "EXIT" );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"exte"|"exter"|"extern"|"externa"|"external" { BEGIN EXTERNAL_;
yylval.string = hb_strupr( hb_strdup( yytext ) );
}
<EXTERNAL_>{Separator}+[_a-zA-Z] { /* an identifier after the EXTERNAL */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{
hb_xfree( (void *) yylval.string );
hb_comp_iState =EXTERN;
return EXTERN;
}
else
{
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<EXTERNAL_>{Separator}*[^_a-zA-Z] {
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
<EXTERNAL_>. { if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0; unput( yytext[ yyleng-1 ] ); }
%{
/* ************************************************************************ */
%}
"_fie"|"_fiel"|"_field" { BEGIN FIELD_;
yylval.string = hb_strupr( hb_strdup( yytext ) );
}
"fiel"|"field" { BEGIN FIELD_;
yylval.string = hb_strupr( hb_strdup( yytext ) );
}
<FIELD_>{Separator}+[_a-zA-Z] { /* an identifier after the FIELD */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{
hb_xfree( (void *) yylval.string );
hb_comp_iState =FIELD;
return FIELD;
}
else
{
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<FIELD_>{Separator}*"->" { /* alias expression */
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_xfree( (void *) yylval.string );
hb_comp_iState =FIELD;
return FIELD;
}
<FIELD_>{Separator}*[^_a-zA-Z] {
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_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 or a macro after the FOR */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{
hb_comp_iState =FOR;
return FOR;
}
else
{ /* for example: DO for WITH variable */
yylval.string = hb_strdup( "FOR" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<FOR_>{Separator}*[\(] { /* function call */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* Clipper does not like FOR() at the begining of line */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, yytext, NULL );
}
yylval.string = hb_strdup( "FOR" );
hb_comp_iState =IDENTIFIER;
unput( yytext[ yyleng-1 ] );
return IDENTIFIER;
}
<FOR_>{Separator}*[^_a-zA-Z] { /* there is no identifier after "FOR" */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "FOR" );
unput( yytext[ yyleng-1 ] );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"func"|"funct"|"functi"|"functio"|"function" { BEGIN FUNCTION_; }
<FUNCTION_>{Separator}+[_a-zA-Z] {
BEGIN 0; /* we can don't care about INDEX_STATE here */
unput( yytext[ yyleng-1 ] );
hb_comp_iState=FUNCTION;
return FUNCTION;
}
<FUNCTION_>{Separator}*[^_a-zA-Z] { /* Clipper needs FUNCTION in one context only */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, ((yytext[ yyleng-1 ]=='\n')?"FUNCTION":yytext), NULL );
}
%{
/* ************************************************************************ */
%}
"iif" {
if( hb_comp_iState == FUNCTION || hb_comp_iState == PROCEDURE )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_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}*"(" {
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
hb_comp_iState=IIF;
return IIF;
}
<IIF_>{Separator}*[^\(] {
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, ((yytext[ yyleng-1 ]=='\n')?"IIF":yytext), NULL );
}
%{
/* ************************************************************************ */
%}
"if" {
if( hb_comp_iState == FUNCTION || hb_comp_iState == PROCEDURE )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, "IF", NULL );
else
BEGIN IF_;
}
<IF_>{Separator}*"(" {
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
if( hb_comp_iState == LOOKUP )
hb_comp_iState =IF;
else
hb_comp_iState =IIF;
return hb_comp_iState;
}
<IF_>{Separator}*[\)\[\]\/\^\*\%\=\$\@] {
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX2, yytext, "IF" );
}
<IF_>{Separator}*"->" {
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX2, yytext, "IF" );
}
<IF_>{Separator}*[\n] {
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, "IF", NULL );
}
<IF_>{Separator}*("++"|"--")/[\n] {
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX2, yytext, "IF" );
}
<IF_>{Separator}*. {
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
hb_comp_iState =IF;
return IF;
}
%{
/* ************************************************************************ */
%}
"in" BEGIN IN_;
<IN_>{Separator}+[_a-zA-Z] {
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
if( hb_comp_iState == IDENTIFIER )
return IN;
else
{
yylval.string =hb_strdup( "IN" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<IN_>{Separator}*\n {
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
yylval.string =hb_strdup( "IN" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
<IN_>{Separator}*[0-9] {
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, yytext, NULL );
}
<IN_>{Separator}*. {
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
yylval.string =hb_strdup( "IN" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"init" BEGIN INIT_;
<INIT_>{Separator}+[fFpP] { /* FUNCTION or PROCEDURE after INIT */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_comp_iState =INIT;
return INIT;
}
else
{ /* there is another item in line already */
yylval.string = hb_strdup( "INIT" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<INIT_>{Separator}*[^fFpP] { /* any character (not identifier) after EXIT */
unput( yytext[ yyleng-1 ] );
yylval.string = hb_strdup( "INIT" );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"#"{Separator}*"line" return LINE;
"loca"|"local" {
yylval.string = hb_strupr( hb_strdup( yytext ) );
BEGIN LOCAL_;
}
<LOCAL_>{Separator}+[_a-zA-Z] { /* an identifier after LOCAL */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState =LOCAL;
return LOCAL;
}
else
{ /* there is another item in line already */
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<LOCAL_>{Separator}*[^a-zA-Z] { /* any character (not identifier) after LOCAL */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"loop" BEGIN LOOP_;
<LOOP_>{Separator}*[\n;] { /* at the end of the line */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
if( hb_comp_wWhileCounter == 0 && hb_comp_wForCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_UNMATCHED_EXIT, "LOOP", NULL );
hb_comp_iState =LOOP;
return LOOP;
}
else
{ /* there is another item in line already */
yylval.string = hb_strdup( "LOOP" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<LOOP_>{Separator}*. { /* any character (not LF) after LOOP */
unput( yytext[ yyleng-1 ] );
yylval.string = hb_strdup( "LOOP" );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"memv"|"memva"|"memvar" { BEGIN MEMVAR_;
yylval.string = hb_strupr( hb_strdup( yytext ) );
}
<MEMVAR_>{Separator}+[_a-zA-Z] { /* an identifier after MEMVAR */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is the first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState =MEMVAR;
return MEMVAR;
}
else
{ /* there is another item in line already */
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<MEMVAR_>{Separator}*[^a-zA-Z] { /* any character (not identifier) after MEMVAR */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"next" BEGIN NEXT_;
<NEXT_>{Separator}*[\n\;] { /* at the end of line */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
if( hb_comp_wForCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_NEXTFOR, NULL, NULL );
hb_comp_iState =NEXT;
return NEXT;
}
else
{ /* there is another item in line already */
yylval.string = hb_strdup( "NEXT" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<NEXT_>{Separator}*[\[\(] { /* array, function call */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* Clipper does not like NEXT[] & NEXT() at the begining of line */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_NEXTFOR, NULL, NULL );
}
yylval.string = hb_strdup( "NEXT" );
hb_comp_iState =IDENTIFIER;
unput( yytext[ yyleng-1 ] );
return IDENTIFIER;
}
<NEXT_>{Separator}*("->"|"++"|"--") { /* operators */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* Clipper does not like next-> & next++ at the begining of line */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_NEXTFOR, NULL, NULL );
}
yylval.string = hb_strdup( "NEXT" );
hb_comp_iState =IDENTIFIER;
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
return IDENTIFIER;
}
<NEXT_>{Separator}*[^_a-zA-Z] { /* there is no identifier after "next" */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "NEXT" );
unput( yytext[ yyleng-1 ] );
return IDENTIFIER;
}
<NEXT_>{Separator}*. { /* an identifier follows NEXT statement */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
if( hb_comp_iState == LOOKUP )
{
if( hb_comp_wForCounter == 0 )
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_NEXTFOR, NULL, NULL );
hb_comp_iState =NEXT;
return NEXT;
}
else
{
yylval.string = hb_strdup( "NEXT" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
%{
/* ************************************************************************ */
%}
"nil" hb_comp_iState =LITERAL; return NIL;
%{
/* ************************************************************************ */
%}
"othe"|"other"|"otherw"|"otherwi"|"otherwis"|"otherwise" {
yylval.string = hb_strupr( hb_strdup( yytext ) );
BEGIN OTHERWISE_;
}
<OTHERWISE_>{Separator}*[\n\;] { /* end of line */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is the first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState = OTHERWISE;
return OTHERWISE;
}
else
{ /* there is another item in line already */
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<OTHERWISE_>{Separator}*. {
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState = IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"para"|"param"|"parame"|"paramet"|"paramete"|"parameter"|"parameters" {
yylval.string = hb_strupr( hb_strdup( yytext ) );
BEGIN PARAM_;
}
<PARAM_>{Separator}+[_a-zA-Z] { /* an identifier after PARAMETERS */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is the first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState =PARAMETERS;
return PARAMETERS;
}
else
{ /* there is another item in line already */
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<PARAM_>{Separator}*[^a-zA-Z] { /* any character (not identifier) after PARAMETERS */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"priv"("ate"|"at"|"a")? { BEGIN PRIVATE_;
yylval.string = hb_strupr( hb_strdup( yytext ) );
}
<PRIVATE_>{Separator}+[_a-zA-Z\&] { /* an Identifier after PRIVATE */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState =PRIVATE;
return PRIVATE;
}
else
{ /* there is another item in line already */
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<PRIVATE_>{Separator}*[^a-zA-Z] { /* any character (not identifier) after PRIVATE */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"proc"|"proce"|"proced"|"procedu"|"procedur"|"procedure" BEGIN PROCEDURE_;
<PROCEDURE_>{Separator}+[_a-zA-Z] {
BEGIN 0; /* we can don't care about INDEX_STATE here */
unput( yytext[ yyleng-1 ] );
hb_comp_iState = PROCEDURE;
return PROCEDURE;
}
<PROCEDURE_>{Separator}*[^_a-zA-Z] { /* Clipper needs PROCEDURE in one context only */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, ((yytext[ yyleng-1 ]=='\n')?"PROCEDURE":yytext), NULL );
}
%{
/* ************************************************************************ */
%}
"publ"("ic"|"i")? { BEGIN PUBLIC_;
yylval.string = hb_strupr( hb_strdup( yytext ) );
}
<PUBLIC_>{Separator}+[_a-zA-Z\&] { /* an identifier after PUBLIC */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState =PUBLIC;
return PUBLIC;
}
else
{ /* there is another item in line already */
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<PUBLIC_>{Separator}*[^a-zA-Z] { /* any character (not identifier) after PUBLIC */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"qself"{SpaceTab}*[(]{SpaceTab}*[)] return SELF;
%{
/* ************************************************************************ */
%}
"reco"|"recov"|"recove"|"recover" {
yylval.string = hb_strupr( hb_strdup( yytext ) );
BEGIN RECOVER_;
}
<RECOVER_>{Separator}*[\n] { /* end of line */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState = RECOVER;
return RECOVER;
}
else
{ /* there is another item in line already */
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<RECOVER_>{Separator}+("using"|"usin") { /* USING */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_xfree( (void *) yylval.string );
hb_comp_iState = RECOVERUSING;
return RECOVERUSING;
}
<RECOVER_>{Separator}*. { /* all other cases */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"retu"|"retur"|"return" {
yylval.string = hb_strupr( hb_strdup( yytext ) );
BEGIN RETURN_;
}
<RETURN_>{Separator}+[\&_a-zA-Z0-9] { /* an identifier, numbers or macro */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is the first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState = RETURN;
return RETURN;
}
else
{ /* there is another item in line already */
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<RETURN_>{Separator}*("+="|"-="|"->"|"++"|"--") { /* operators */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
return IDENTIFIER;
}
<RETURN_>{Separator}*("::") { /* SELF operator */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_xfree( (void *) yylval.string );
hb_comp_iState = RETURN;
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
return RETURN;
}
<RETURN_>{Separator}*[\n\;\(\[\{\"\'\.\-\+\!] {
/* EOL or '()', '[]', '{}', '""', "''" , '.T.', '-', '+', '!' */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is the first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState = RETURN;
return RETURN;
}
else
{ /* there is another item in line already */
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
<RETURN_>{Separator}*. { /* any other character after RETURN */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"stat"|"stati"|"static" {
yylval.string = hb_strupr( hb_strdup( yytext ) );
BEGIN STATIC_;
}
<STATIC_>{Separator}+[_a-zA-Z] { /* an identifier after STATIC */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
if( hb_comp_iState == LOOKUP )
{ /* it is first item in the line */
hb_xfree( (void *) yylval.string );
hb_comp_iState = STATIC;
return STATIC;
}
else
{ /* there is another item in line already */
hb_comp_iState = IDENTIFIER;
return IDENTIFIER;
}
}
<STATIC_>{Separator}*[^a-zA-Z] { /* any character (not identifier) after STATIC */
unput( yytext[ yyleng-1 ] );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
%{
/* ************************************************************************ */
%}
"step" return STEP;
"to" return TO;
%{
/* ************************************************************************ */
%}
"while" BEGIN WHILE_;
<WHILE_>{Separator}*\n { /* end of line */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( '\n' );
if( hb_comp_iState == DO )
{ /* we have DO while - replace it with while() */
unput( ')' ); unput( '(' );
}
yylval.string = hb_strdup( "WHILE" );
return IDENTIFIER;
}
<WHILE_>{Separator}*[\[] { /* array */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
/* Clipper does not like while[] at all */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, yytext, NULL );
}
<WHILE_>{Separator}*[\:\=\|\$\%\*\,\/\]\)\}\^] { /* there is an operator after "case" */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "WHILE" );
unput( yytext[ yyleng-1 ] );
return IDENTIFIER;
}
<WHILE_>{Separator}*("+="|"-="|"->") { /* operators */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string = hb_strdup( "WHILE" );
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
return IDENTIFIER;
}
<WHILE_>{Separator}*("::") { /* send operators */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
unput( yytext[ yyleng-2 ] );
hb_comp_iState =WHILE;
return WHILE;
}
<WHILE_>{Separator}*. { /* identifiers and literals */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
if( hb_comp_iState == LOOKUP || hb_comp_iState == DO )
{ /* it is first item in the line or after DO or FIELD */
hb_comp_iState =WHILE;
return WHILE;
}
else
{ /* there is another item in line already */
yylval.string = hb_strdup( "WHILE" );
hb_comp_iState =IDENTIFIER;
return IDENTIFIER;
}
}
%{
/* ************************************************************************ */
%}
"with" BEGIN WITH_;
<WITH_>{Separator}*\n { /* at the end of line */
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( '\n' );
yylval.string = hb_strdup( "WITH" );
return IDENTIFIER;
}
<WITH_>{Separator}*"with" {
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yyless( yyleng-4 );
if( hb_comp_iState == DO )
{ /* DO with */
hb_comp_iState =IDENTIFIER;
yylval.string = hb_strdup( "WITH" );
return IDENTIFIER;
}
else
{ /* DO WITH with <arg> */
hb_comp_iState =WITH;
return WITH;
}
}
<WITH_>{Separator}*[\[] { /* array */
/* Clipper does not like with[] at all */
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_SYNTAX, yytext, NULL );
}
<WITH_>{Separator}*. {
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
unput( yytext[ yyleng-1 ] );
if( hb_comp_iState == WHILE ||
hb_comp_iState == DO ||
hb_comp_iState == MACROVAR ||
hb_comp_iState == MACROTEXT ||
hb_comp_iState == IDENTIFIER )
{ /* DO <ident> WITH <arg> */
hb_comp_iState =WITH;
return WITH;
}
else
{
yylval.string = hb_strdup( "WITH" );
hb_comp_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 block" { return AS_BLOCK; }
"as object" { return AS_OBJECT; }
"declare function" { return DECLARE_FUN; }
%{
/* ************************************************************************ */
%}
"#" hb_comp_iState =OPERATOR; return NE1;
"=" hb_comp_iState =OPERATOR; return yytext[ 0 ];
"+" hb_comp_iState =OPERATOR; return yytext[ 0 ];
"-" hb_comp_iState =OPERATOR; return yytext[ 0 ];
"*" hb_comp_iState =OPERATOR; return yytext[ 0 ];
[\/] hb_comp_iState =OPERATOR; return yytext[ 0 ];
"%" hb_comp_iState =OPERATOR; return yytext[ 0 ];
"$" hb_comp_iState =OPERATOR; return yytext[ 0 ];
"<>"|"!=" hb_comp_iState =OPERATOR; return NE2;
":=" hb_comp_iState =OPERATOR; return INASSIGN;
"==" hb_comp_iState =OPERATOR; return EQ;
"++" hb_comp_iState =OPERATOR; return INC;
"--" hb_comp_iState =OPERATOR; return DEC;
"->" hb_comp_iState =OPERATOR; return ALIASOP;
"<=" hb_comp_iState =OPERATOR; return LE;
">=" hb_comp_iState =OPERATOR; return GE;
"+=" hb_comp_iState =OPERATOR; return PLUSEQ;
"-=" hb_comp_iState =OPERATOR; return MINUSEQ;
"*=" hb_comp_iState =OPERATOR; return MULTEQ;
"/=" hb_comp_iState =OPERATOR; return DIVEQ;
"^=" hb_comp_iState =OPERATOR; return EXPEQ;
"%=" hb_comp_iState =OPERATOR; return MODEQ;
"**"|"^" hb_comp_iState =OPERATOR; return POWER;
".and." hb_comp_iState =OPERATOR; return AND;
".or." hb_comp_iState =OPERATOR; return OR;
"!"|".not." hb_comp_iState =OPERATOR; return NOT;
"::" unput( ':' ); unput( 'f' ); unput( 'l' ); unput( 'e' ); unput( 'S' );
[,\{\}\|\#\&\.\:\<\>\[\]\@] hb_comp_iState =OPERATOR; return yytext[ 0 ];
[\(] ++_iOpenBracket; hb_comp_iState =SEPARATOR; return yytext[ 0 ];
[\)] --_iOpenBracket; hb_comp_iState =SEPARATOR; return yytext[ 0 ];
[\x00-\x1F] return yytext[ 0 ]; /* see below */
[\x80-\xFF] {
/* This have to be the last rule - any nonstandard and not handled
* characters should go to grammar analyser instead of printing it
* on stdout.
*/
return yytext[ 0 ];
}
%{
/* ************************************************************************ */
%}
{InvalidNumber} BEGIN INVALIDNUM_; yylval.string = hb_strupr( hb_strdup( yytext ) );
<INVALIDNUM_>("."|{Separator}+) {
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_NUMERIC_FORMAT, NULL, NULL );
}
<INVALIDNUM_>. {
unput( yytext[ yyleng-1 ] );
unput( '.' );
if( i_INDEX_STATE ) BEGIN INDEX; else BEGIN 0;
yylval.string[ strlen(yylval.string) - 1 ] = '\0';
return yy_ConvertNumber( yylval.string );
}
{Number} { return yy_ConvertNumber( yytext ); }
{HexNumber} {
long lNumber = 0;
sscanf( yytext, "%lxI", &lNumber );
if( ( double )SHRT_MIN <= lNumber &&
lNumber <= ( double )SHRT_MAX )
{
yylval.valInteger.iNumber = lNumber;
yylval.valInteger.szValue = yytext;
return NUM_INTEGER;
}
else if( ( double )LONG_MIN <= lNumber &&
lNumber <= ( double )LONG_MAX )
{
yylval.valLong.lNumber = lNumber;
yylval.valLong.szValue = yytext;
return NUM_LONG;
}
else
{
yylval.valDouble.dNumber = lNumber;
yylval.valDouble.bDec = 0;
yylval.valDouble.szValue = yytext;
return NUM_DOUBLE;
}
}
{TrueValue} { hb_comp_iState =SEPARATOR; return TRUEVALUE; }
{FalseValue} { hb_comp_iState =SEPARATOR; return FALSEVALUE; }
{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;
{
if( strlen( yytext ) > HB_SYMBOL_NAME_LEN )
{
yytext[ HB_SYMBOL_NAME_LEN ] = '\0';
yyleng = HB_SYMBOL_NAME_LEN;
}
yylval.string = hb_strupr( hb_strdup( yytext ) );
/*printf( "\nIdentifier = '%s'\n", hb_strupr( hb_strdup( yytext ) ) );*/
hb_comp_iState = IDENTIFIER;
return IDENTIFIER;
}
}
{MacroVarArray} {
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;
if( yytext[ yyleng-1 ] == '.' )
yytext[ yyleng-1 ] = '\0';
yylval.string = hb_strupr( hb_strdup( yytext+1 ) );
hb_comp_iState = MACROVAR;
return MACROVAR;
}
{MacroTxtArray} {
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;
yylval.string = hb_strupr( hb_strdup( yytext ) );
hb_comp_iState = MACROTEXT;
return MACROTEXT;
}
{ExpArray} {
/* Must be recursive */
if( ! i_INDEX_STATE )
{
BEGIN INDEX;
i_INDEX_STATE = 1;
}
unput( '[' );
hb_comp_iState = OPERATOR;
--_iOpenBracket;
return ')';
}
{SubArray} {
/* Must be recursive */
if( i_INDEX_STATE )
{
BEGIN INDEX;
i_INDEX_STATE = 1;
}
iIndexSets--;
unput( '[' );
hb_comp_iState = OPERATOR;
return ']';
}
{AtArray} {
/* Must be recursive */
if( ! i_INDEX_STATE )
{
BEGIN INDEX;
i_INDEX_STATE = 1;
}
unput( '[' );
hb_comp_iState = OPERATOR;
--_iOpenBracket;
return '}';
}
{MacroVar} {
if( yytext[ yyleng-1 ] == '.' )
yytext[ yyleng-1 ] = '\0';
yylval.string = hb_strupr( hb_strdup( yytext+1 ) );
hb_comp_iState = MACROVAR;
return MACROVAR;
}
{MacroEnd} {
yylval.string = hb_strupr( hb_strdup( yytext ) );
hb_comp_iState = MACROTEXT;
return MACROTEXT;
}
{MacroId} {
yylval.string = hb_strupr( hb_strdup( yytext ) );
hb_comp_iState = MACROTEXT;
return MACROTEXT;
}
{MacroTxt} {
yylval.string = hb_strupr( hb_strdup( yytext ) );
hb_comp_iState = MACROTEXT;
return MACROTEXT;
}
{Identifier} {
if( strlen( yytext ) > HB_SYMBOL_NAME_LEN )
{
yytext[ HB_SYMBOL_NAME_LEN ] = '\0';
yyleng = HB_SYMBOL_NAME_LEN;
}
yylval.string = hb_strupr( hb_strdup( yytext ) );
hb_comp_iState = IDENTIFIER;
return IDENTIFIER;
}
%{
#ifdef __WATCOMC__
/* enable warnings for unreachable code */
#pragma warning 13 1
#endif
%}
%%
int yy_lex_input( char *buffer, int iBufferSize )
{
HB_SYMBOL_UNUSED( iBufferSize );
return hb_pp_Internal( hb_comp_bPPO ? hb_comp_yyppo : NULL, buffer );
}
static int yy_ConvertNumber( char * szBuffer )
{
char * ptr;
yylval.valDouble.dNumber = atof( szBuffer );
ptr = strchr( szBuffer, '.' );
if( ptr )
{
yylval.valDouble.bDec = strlen( ptr + 1 );
yylval.valDouble.szValue = szBuffer;
return NUM_DOUBLE;
}
else
{
if( ( double )SHRT_MIN <= yylval.valDouble.dNumber &&
yylval.valDouble.dNumber <= ( double )SHRT_MAX )
{
yylval.valInteger.iNumber = ( int ) yylval.valDouble.dNumber;
yylval.valInteger.szValue = szBuffer;
return NUM_INTEGER;
}
else if( ( double )LONG_MIN <= yylval.valDouble.dNumber &&
yylval.valDouble.dNumber <= ( double )LONG_MAX )
{
yylval.valLong.lNumber = ( long ) yylval.valDouble.dNumber;
yylval.valLong.szValue = szBuffer;
return NUM_LONG;
}
else
{
yylval.valDouble.bDec = 0;
yylval.valDouble.szValue = szBuffer;
return NUM_DOUBLE;
}
}
}