CMake/Source/cmDependsFortranParser.y

305 lines
10 KiB
Plaintext

%{
/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
/*-------------------------------------------------------------------------
Portions of this source have been derived from makedepf90 version 2.8.8,
Copyright (C) 2000--2006 Erik Edelmann <erik.edelmann@iki.fi>
The code was originally distributed under the GPL but permission
from the copyright holder has been obtained to distribute this
derived work under the CMake license.
-------------------------------------------------------------------------*/
/*
This file must be translated to C and modified to build everywhere.
Run bison like this:
bison --yacc --name-prefix=cmDependsFortran_yy
--defines=cmDependsFortranParserTokens.h
-ocmDependsFortranParser.cxx
cmDependsFortranParser.y
Modify cmDependsFortranParser.cxx:
- remove TABs
- Remove the yyerrorlab block in range ["goto yyerrlab1", "yyerrlab1:"]
*/
/*-------------------------------------------------------------------------*/
#define cmDependsFortranParser_cxx
#include "cmDependsFortranParser.h" /* Interface to parser object. */
#include "cmDependsFortranParserTokens.h" /* Need YYSTYPE for YY_DECL. */
/* Configure the parser to use a lexer object. */
#define YYPARSE_PARAM yyscanner
#define YYLEX_PARAM yyscanner
#define YYERROR_VERBOSE 1
#define cmDependsFortran_yyerror(x) \
cmDependsFortranError(yyscanner, x)
/* Forward declare the lexer entry point. */
YY_DECL;
/* Helper function to forward error callback. */
static void cmDependsFortranError(yyscan_t yyscanner, const char* message)
{
cmDependsFortranParser* parser = cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_Error(parser, message);
}
static char charmap[] = {
'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
'\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
'\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
'\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
'\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
'\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
'\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
'\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
'\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
'\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
'\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
'\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
'\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
'\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
'\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
'\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
'\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
'\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
'\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
'\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
'\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
'\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
'\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
'\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
'\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
'\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377'
};
inline int strcasecmpCM(const char *s1, const char *s2)
{
const char *cm = charmap;
const char* us1 = s1;
const char* us2 = s2;
while(cm[*us1] == cm[*us2++])
if(*us1++ == '\0')
{
return(0);
}
return(cm[*us1] - cm[*--us2]);
}
static bool cmDependsFortranParserIsKeyword(const char* word,
const char* keyword)
{
return strcasecmpCM(word, keyword) == 0;
}
/* Disable some warnings in the generated code. */
#ifdef __BORLANDC__
# pragma warn -8004 /* Variable assigned a value that is not used. */
# pragma warn -8008 /* condition always returns true */
# pragma warn -8060 /* possibly incorrect assignment */
# pragma warn -8066 /* unreachable code */
#endif
#ifdef _MSC_VER
# pragma warning (disable: 4102) /* Unused goto label. */
# pragma warning (disable: 4065) /* Switch contains default but no case. */
# pragma warning (disable: 4701) /* Local variable may not be initialized. */
# pragma warning (disable: 4702) /* Unreachable code. */
# pragma warning (disable: 4127) /* Conditional expression is constant. */
# pragma warning (disable: 4244) /* Conversion to smaller type, data loss. */
#endif
%}
/* Generate a reentrant parser object. */
%pure-parser
%union {
char* string;
}
/*-------------------------------------------------------------------------*/
/* Tokens */
%token EOSTMT ASSIGNMENT_OP GARBAGE
%token CPP_INCLUDE F90PPR_INCLUDE COCO_INCLUDE
%token F90PPR_DEFINE CPP_DEFINE F90PPR_UNDEF CPP_UNDEF
%token CPP_IFDEF CPP_IFNDEF CPP_IF CPP_ELSE CPP_ELIF CPP_ENDIF
%token F90PPR_IFDEF F90PPR_IFNDEF F90PPR_IF
%token F90PPR_ELSE F90PPR_ELIF F90PPR_ENDIF
%token <string> CPP_TOENDL
%token <number> UNTERMINATED_STRING
%token <string> STRING WORD
/*-------------------------------------------------------------------------*/
/* grammar */
%%
code: /* empty */ | code stmt;
stmt: keyword_stmt | assignment_stmt;
assignment_stmt: WORD ASSIGNMENT_OP other EOSTMT /* Ignore */
{
free($1);
}
keyword_stmt:
WORD EOSTMT
{
if (cmDependsFortranParserIsKeyword($1, "interface"))
{
cmDependsFortranParser* parser =
cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_SetInInterface(parser, true);
}
free($1);
}
| WORD WORD other EOSTMT
{
if (cmDependsFortranParserIsKeyword($1, "use"))
{
cmDependsFortranParser* parser =
cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleUse(parser, $2);
}
else if (cmDependsFortranParserIsKeyword($1, "module"))
{
cmDependsFortranParser* parser =
cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleModule(parser, $2);
}
else if (cmDependsFortranParserIsKeyword($1, "interface"))
{
cmDependsFortranParser* parser =
cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_SetInInterface(parser, true);
}
else if (cmDependsFortranParserIsKeyword($2, "interface") &&
cmDependsFortranParserIsKeyword($1, "end"))
{
cmDependsFortranParser* parser =
cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_SetInInterface(parser, false);
}
free($1);
free($2);
}
| WORD STRING other EOSTMT /* Ignore */
{
if (cmDependsFortranParserIsKeyword($1, "include"))
{
cmDependsFortranParser* parser =
cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleInclude(parser, $2);
}
free($1);
free($2);
}
| include STRING other EOSTMT
{
cmDependsFortranParser* parser =
cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleInclude(parser, $2);
free($2);
}
| define WORD other EOSTMT
{
cmDependsFortranParser* parser = cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleDefine(parser, $2);
free($2);
}
| undef WORD other EOSTMT
{
cmDependsFortranParser* parser = cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleUndef(parser, $2);
free($2);
}
| ifdef WORD other EOSTMT
{
cmDependsFortranParser* parser = cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleIfdef(parser, $2);
free($2);
}
| ifndef WORD other EOSTMT
{
cmDependsFortranParser* parser = cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleIfndef(parser, $2);
free($2);
}
| if other EOSTMT
{
cmDependsFortranParser* parser = cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleIf(parser);
}
| elif other EOSTMT
{
cmDependsFortranParser* parser = cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleElif(parser);
}
| else other EOSTMT
{
cmDependsFortranParser* parser = cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleElse(parser);
}
| endif other EOSTMT
{
cmDependsFortranParser* parser = cmDependsFortran_yyget_extra(yyscanner);
cmDependsFortranParser_RuleEndif(parser);
}
| WORD GARBAGE other EOSTMT /* Ignore */
{
free($1);
}
| GARBAGE other EOSTMT
| EOSTMT
| error
;
include: CPP_INCLUDE | F90PPR_INCLUDE | COCO_INCLUDE ;
define: CPP_DEFINE | F90PPR_DEFINE;
undef: CPP_UNDEF | F90PPR_UNDEF ;
ifdef: CPP_IFDEF | F90PPR_IFDEF ;
ifndef: CPP_IFNDEF | F90PPR_IFNDEF ;
if: CPP_IF | F90PPR_IF ;
elif: CPP_ELIF | F90PPR_ELIF ;
else: CPP_ELSE | F90PPR_ELSE ;
endif: CPP_ENDIF | F90PPR_ENDIF ;
other: /* empty */ | other misc_code ;
misc_code:
WORD { free ($1); }
| STRING { free ($1); }
| GARBAGE
| ASSIGNMENT_OP
| UNTERMINATED_STRING
;
%%
/* End of grammar */