CMake/Source/cmCommandArgumentParser.y

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%{
/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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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.
============================================================================*/
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/*
This file must be translated to C and modified to build everywhere.
Run bison like this:
bison --yacc --name-prefix=cmCommandArgument_yy --defines=cmCommandArgumentParserTokens.h -ocmCommandArgumentParser.cxx cmCommandArgumentParser.y
Modify cmCommandArgumentParser.cxx:
- remove TABs
- put header block at top of file
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*/
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#include "cmStandardIncludes.h"
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/* Configure the parser to use a lexer object. */
#define YYPARSE_PARAM yyscanner
#define YYLEX_PARAM yyscanner
#define YYERROR_VERBOSE 1
#define cmCommandArgument_yyerror(x) \
cmCommandArgumentError(yyscanner, x)
#define yyGetParser (cmCommandArgument_yyget_extra(yyscanner))
/* Make sure malloc and free are available on QNX. */
#ifdef __QNX__
# include <malloc.h>
#endif
/* Make sure the parser uses standard memory allocation. The default
generated parser malloc/free declarations do not work on all
platforms. */
#include <stdlib.h>
#define YYMALLOC malloc
#define YYFREE free
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/*-------------------------------------------------------------------------*/
#include "cmCommandArgumentParserHelper.h" /* Interface to parser object. */
#include "cmCommandArgumentLexer.h" /* Interface to lexer object. */
#include "cmCommandArgumentParserTokens.h" /* Need YYSTYPE for YY_DECL. */
/* Forward declare the lexer entry point. */
YY_DECL;
/* Internal utility functions. */
static void cmCommandArgumentError(yyscan_t yyscanner, const char* message);
#define YYDEBUG 1
/* Configure the parser to support large input. */
#define YYMAXDEPTH 100000
#define YYINITDEPTH 10000
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/* 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 */
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#endif
#ifdef _MSC_VER
# pragma warning (disable: 4102) /* Unused goto label. */
# pragma warning (disable: 4065) /* Switch statement contains default but no
case. */
# pragma warning (disable: 4244) /* loss of precision */
# pragma warning (disable: 4702) /* unreachable code */
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#endif
%}
/* Generate a reentrant parser object. */
%pure_parser
/*
%union {
char* string;
}
*/
/*-------------------------------------------------------------------------*/
/* Tokens */
%token cal_ENVCURLY
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%token cal_NCURLY
%token cal_DCURLY
%token cal_DOLLAR "$"
%token cal_LCURLY "{"
%token cal_RCURLY "}"
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%token cal_NAME
%token cal_BSLASH "\\"
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%token cal_SYMBOL
%token cal_AT "@"
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%token cal_ERROR
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%token cal_ATNAME
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/*-------------------------------------------------------------------------*/
/* grammar */
%%
Start:
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GoalWithOptionalBackSlash
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{
$<str>$ = 0;
yyGetParser->SetResult($<str>1);
}
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GoalWithOptionalBackSlash:
Goal
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{
$<str>$ = $<str>1;
}
|
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Goal cal_BSLASH
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{
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$<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2);
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}
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Goal:
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{
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$<str>$ = 0;
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}
|
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String Goal
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{
$<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2);
}
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String:
OuterText
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{
$<str>$ = $<str>1;
}
|
Variable
{
$<str>$ = $<str>1;
}
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OuterText:
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cal_NAME
{
$<str>$ = $<str>1;
}
|
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cal_AT
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{
$<str>$ = $<str>1;
}
|
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cal_DOLLAR
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{
$<str>$ = $<str>1;
}
|
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cal_LCURLY
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{
$<str>$ = $<str>1;
}
|
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cal_RCURLY
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{
$<str>$ = $<str>1;
}
|
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cal_SYMBOL
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{
$<str>$ = $<str>1;
}
Variable:
cal_ENVCURLY EnvVarName cal_RCURLY
{
$<str>$ = yyGetParser->ExpandSpecialVariable($<str>1,$<str>2);
//std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl;
}
|
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cal_NCURLY MultipleIds cal_RCURLY
{
$<str>$ = yyGetParser->ExpandSpecialVariable($<str>1,$<str>2);
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//std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl;
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}
|
cal_DCURLY MultipleIds cal_RCURLY
{
$<str>$ = yyGetParser->ExpandVariable($<str>2);
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//std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl;
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}
|
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cal_ATNAME
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{
$<str>$ = yyGetParser->ExpandVariableForAt($<str>1);
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}
EnvVarName:
MultipleIds
{
$<str>$ = $<str>1;
}
|
cal_SYMBOL EnvVarName
{
$<str>$ = $<str>1;
}
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MultipleIds:
{
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$<str>$ = 0;
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}
|
ID MultipleIds
{
$<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2);
}
ID:
cal_NAME
{
$<str>$ = $<str>1;
}
|
Variable
{
$<str>$ = $<str>1;
}
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%%
/* End of grammar */
/*--------------------------------------------------------------------------*/
void cmCommandArgumentError(yyscan_t yyscanner, const char* message)
{
yyGetParser->Error(message);
}