1 files changed, 245 insertions, 0 deletions
diff --git a/Source/cmCommandArgumentParser.y b/Source/cmCommandArgumentParser.y
new file mode 100644
index 000000000..3e700c80b
--- /dev/null
+++ b/Source/cmCommandArgumentParser.y
@@ -0,0 +1,245 @@
+%{
+/*============================================================================
+  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.
+============================================================================*/
+/*
+
+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
+
+*/
+
+#include "cmStandardIncludes.h"
+
+/* 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
+
+/*-------------------------------------------------------------------------*/
+#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
+
+/* 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 statement contains default but no
+                                    case. */
+# pragma warning (disable: 4244) /* loss of precision */
+# pragma warning (disable: 4702) /* unreachable code */
+#endif
+%}
+
+/* Generate a reentrant parser object.  */
+%pure_parser
+
+/*
+%union {
+  char* string;
+}
+*/
+
+/*-------------------------------------------------------------------------*/
+/* Tokens */
+%token cal_ENVCURLY
+%token cal_NCURLY
+%token cal_DCURLY
+%token cal_DOLLAR "$"
+%token cal_LCURLY "{"
+%token cal_RCURLY "}"
+%token cal_NAME
+%token cal_BSLASH "\\"
+%token cal_SYMBOL
+%token cal_AT     "@"
+%token cal_ERROR
+%token cal_ATNAME
+
+/*-------------------------------------------------------------------------*/
+/* grammar */
+%%
+
+
+Start:
+GoalWithOptionalBackSlash
+{
+  $<str>$ = 0;
+  yyGetParser->SetResult($<str>1);
+}
+
+GoalWithOptionalBackSlash:
+Goal
+{
+  $<str>$ = $<str>1;
+}
+|
+Goal cal_BSLASH
+{
+  $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2);
+}
+
+Goal:
+{
+  $<str>$ = 0;
+}
+|
+String Goal
+{
+  $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2);
+}
+
+String:
+OuterText
+{
+  $<str>$ = $<str>1;
+}
+|
+Variable
+{
+  $<str>$ = $<str>1;
+}
+
+OuterText:
+cal_NAME
+{
+  $<str>$ = $<str>1;
+}
+|
+cal_AT
+{
+  $<str>$ = $<str>1;
+}
+|
+cal_DOLLAR
+{
+  $<str>$ = $<str>1;
+}
+|
+cal_LCURLY
+{
+  $<str>$ = $<str>1;
+}
+|
+cal_RCURLY
+{
+  $<str>$ = $<str>1;
+}
+|
+cal_SYMBOL
+{
+  $<str>$ = $<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;
+}
+|
+cal_NCURLY MultipleIds cal_RCURLY
+{
+  $<str>$ = yyGetParser->ExpandSpecialVariable($<str>1,$<str>2);
+  //std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl;
+}
+|
+cal_DCURLY MultipleIds cal_RCURLY
+{
+  $<str>$ = yyGetParser->ExpandVariable($<str>2);
+  //std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl;
+}
+|
+cal_ATNAME
+{
+  $<str>$ = yyGetParser->ExpandVariableForAt($<str>1);
+}
+
+EnvVarName:
+MultipleIds
+{
+  $<str>$ = $<str>1;
+}
+|
+cal_SYMBOL EnvVarName
+{
+  $<str>$ = $<str>1;
+}
+
+MultipleIds:
+{
+  $<str>$ = 0;
+}
+|
+ID MultipleIds
+{
+  $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2);
+}
+
+ID:
+cal_NAME
+{
+  $<str>$ = $<str>1;
+}
+|
+Variable
+{
+  $<str>$ = $<str>1;
+}
+
+
+%%
+/* End of grammar */
+
+/*--------------------------------------------------------------------------*/
+void cmCommandArgumentError(yyscan_t yyscanner, const char* message)
+{
+  yyGetParser->Error(message);
+}
+