1 files changed, 162 insertions, 0 deletions
diff --git a/Source/cmCommandArgumentLexer.in.l b/Source/cmCommandArgumentLexer.in.l
new file mode 100644
index 0000000000..24a0eec85f
--- /dev/null
+++ b/Source/cmCommandArgumentLexer.in.l
@@ -0,0 +1,162 @@
+%{
+/*============================================================================
+  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 flex like this:
+
+  flex --prefix=cmCommandArgument_yy --header-file=cmCommandArgumentLexer.h -ocmCommandArgumentLexer.cxx cmCommandArgumentLexer.in.l
+
+Modify cmCommandArgumentLexer.cxx:
+  - add #include "cmStandardIncludes.h" to top of file
+  - put header block at top of file
+  - remove TABs
+  - remove use of the 'register' storage class specifier
+  - remove "yyscanner" argument from these methods:
+      yy_fatal_error, cmCommandArgument_yyalloc, cmCommandArgument_yyrealloc, cmCommandArgument_yyfree
+  - remove all YY_BREAK lines occurring right after return statements
+  - change while ( 1 ) to for(;;)
+  - add "return 0;" to end of cmCommandArgument_yylex
+
+Modify cmCommandArgumentLexer.h:
+  - remove TABs
+  - remove the yy_init_globals function
+  - remove the block that includes unistd.h
+  - remove #line directives (avoids bogus warning on old Sun)
+
+*/
+
+#include "cmStandardLexer.h"
+
+#include "cmCommandArgumentParserHelper.h"
+
+/* Replace the lexer input function.  */
+#undef YY_INPUT
+#define YY_INPUT(buf, result, max_size) \
+  { result = yyextra->LexInput(buf, max_size); }
+
+/* Include the set of tokens from the parser.  */
+#include "cmCommandArgumentParserTokens.h"
+
+/*--------------------------------------------------------------------------*/
+%}
+
+%option reentrant
+%option noyywrap
+%option nounput
+%pointer
+%s ESCAPES
+%s NOESCAPES
+
+%%
+
+\$ENV\{ {
+  //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
+  yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
+  return cal_ENVCURLY;
+}
+
+\$[A-Za-z0-9/_.+-]+\{ {
+  //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
+  yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
+  return cal_NCURLY;
+}
+
+@[A-Za-z0-9/_.+-]+@ {
+  //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
+  yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
+  return cal_ATNAME;
+}
+
+"${" {
+  //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
+  //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
+  yylvalp->str = yyextra->DCURLYVariable;
+  return cal_DCURLY;
+}
+
+"}" {
+  //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
+  //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
+  yylvalp->str = yyextra->RCURLYVariable;
+  return cal_RCURLY;
+}
+
+"@" {
+  //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
+  //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
+  yylvalp->str = yyextra->ATVariable;
+  return cal_AT;
+}
+
+[A-Za-z0-9/_.+-]+ {
+  //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
+  yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
+  return cal_NAME;
+}
+
+<ESCAPES>\\. {
+  if ( !yyextra->HandleEscapeSymbol(yylvalp, *(yytext+1)) )
+    {
+    return cal_ERROR;
+    }
+  return cal_SYMBOL;
+}
+
+[^\${}\\@]+ {
+  //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
+  yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
+  return cal_SYMBOL;
+}
+
+"$" {
+  //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
+  yylvalp->str = yyextra->DOLLARVariable;
+  return cal_DOLLAR;
+}
+
+"{" {
+  //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
+  yylvalp->str = yyextra->LCURLYVariable;
+  return cal_LCURLY;
+}
+
+<ESCAPES>"\\" {
+  //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
+  yylvalp->str = yyextra->BSLASHVariable;
+  return cal_BSLASH;
+}
+
+<NOESCAPES>"\\" {
+  //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
+  yylvalp->str = yyextra->BSLASHVariable;
+  return cal_SYMBOL;
+}
+
+%%
+
+/*--------------------------------------------------------------------------*/
+void cmCommandArgument_SetupEscapes(yyscan_t yyscanner, bool noEscapes)
+{
+  /* Hack into the internal flex-generated scanner to set the state.  */
+  struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+  if(noEscapes)
+    {
+    BEGIN(NOESCAPES);
+    }
+  else
+    {
+    BEGIN(ESCAPES);
+    }
+}