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Diffstat (limited to 'Source/cmDependsFortranParser.y')
-rw-r--r-- | Source/cmDependsFortranParser.y | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/Source/cmDependsFortranParser.y b/Source/cmDependsFortranParser.y new file mode 100644 index 000000000..5681d698c --- /dev/null +++ b/Source/cmDependsFortranParser.y @@ -0,0 +1,287 @@ +%{ +/*============================================================================ + CMake - Cross Platform Makefile Generator + Copyright 2000-2009 Kitware, Inc., Insight Software Consortium + + Distributed under the OSI-approved BSD License (the "License"); + see accompanying file Copyright.txt for details. + + This software is distributed WITHOUT ANY WARRANTY; without even the + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the License 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. */ + +#include <cmsys/String.h> + +/* 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 bool cmDependsFortranParserIsKeyword(const char* word, + const char* keyword) +{ + return cmsysString_strcasecmp(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 COMMA DCOLON +%token <string> CPP_TOENDL +%token <number> UNTERMINATED_STRING +%token <string> STRING WORD +%token <string> CPP_INCLUDE_ANGLE + +/*-------------------------------------------------------------------------*/ +/* 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 DCOLON WORD other EOSTMT + { + if (cmDependsFortranParserIsKeyword($1, "use")) + { + cmDependsFortranParser* parser = + cmDependsFortran_yyget_extra(yyscanner); + cmDependsFortranParser_RuleUse(parser, $3); + } + free($1); + free($3); + } +| WORD COMMA WORD DCOLON WORD other EOSTMT + { + if (cmDependsFortranParserIsKeyword($1, "use") && + cmDependsFortranParserIsKeyword($3, "non_intrinsic") ) + { + cmDependsFortranParser* parser = + cmDependsFortran_yyget_extra(yyscanner); + cmDependsFortranParser_RuleUse(parser, $5); + } + free($1); + free($3); + free($5); + } +| WORD STRING other EOSTMT /* Ignore */ + { + if (cmDependsFortranParserIsKeyword($1, "include")) + { + cmDependsFortranParser* parser = + cmDependsFortran_yyget_extra(yyscanner); + cmDependsFortranParser_RuleInclude(parser, $2); + } + free($1); + free($2); + } +| CPP_INCLUDE_ANGLE other EOSTMT + { + cmDependsFortranParser* parser = + cmDependsFortran_yyget_extra(yyscanner); + cmDependsFortranParser_RuleInclude(parser, $1); + free($1); + } +| 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 +| DCOLON +| COMMA +| UNTERMINATED_STRING +; + +%% +/* End of grammar */ |