diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 35851255f7a8d46f452d8de958e56f6631c5c409..1260a55199c950162b5214498be855ec486c5944 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -15,6 +15,7 @@ cmCustomCommand.cxx
cmCacheManager.cxx
cmSourceGroup.cxx
cmListFileCache.cxx
+cmListFileLexer.c
cmGlob.cxx
cmGlobalGenerator.cxx
cmGlobalUnixMakefileGenerator.cxx
diff --git a/Source/cmListFileCache.cxx b/Source/cmListFileCache.cxx
index f4e8c1f841ffb24b89662c25a36dea9054ab704d..0638b38bda5939f7e1ea08e77da973079d1c5338 100644
--- a/Source/cmListFileCache.cxx
+++ b/Source/cmListFileCache.cxx
@@ -15,10 +15,16 @@
=========================================================================*/
#include "cmListFileCache.h"
+
+#include "cmListFileLexer.h"
#include "cmSystemTools.h"
#include <cmsys/RegularExpression.hxx>
+bool cmListFileCacheParseFunction(cmListFileLexer* lexer,
+ cmListFileFunction& function,
+ const char* filename);
+
cmListFileCache* cmListFileCache::Instance = 0;
@@ -83,31 +89,83 @@ bool cmListFileCache::CacheFile(const char* path, bool requireProjectCommand)
{
return false;
}
-
- std::ifstream fin(path);
- if(!fin)
+
+ // Create the scanner.
+ cmListFileLexer* lexer = cmListFileLexer_New();
+ if(!lexer)
{
+ cmSystemTools::Error("cmListFileCache: error allocating lexer ");
+ return false;
+ }
+
+ // Open the file.
+ if(!cmListFileLexer_SetFileName(lexer, path))
+ {
+ cmListFileLexer_Delete(lexer);
cmSystemTools::Error("cmListFileCache: error can not open file ", path);
return false;
}
- long line=0;
+
+ // Use a simple recursive-descent parser to process the token
+ // stream.
cmListFile inFile;
inFile.m_ModifiedTime = cmSystemTools::ModifiedTime(path);
- bool parseError;
- while ( fin )
+ bool parseError = false;
+ bool haveNewline = true;
+ cmListFileLexer_Token* token;
+ while(!parseError && (token = cmListFileLexer_Scan(lexer)))
{
- cmListFileFunction inFunction;
- if(cmListFileCache::ParseFunction(fin, inFunction, path, parseError,
- line))
+ if(token->type == cmListFileLexer_Token_Newline)
{
- inFunction.m_FilePath = path;
- inFile.m_Functions.push_back(inFunction);
+ haveNewline = true;
}
- if (parseError)
+ else if(token->type == cmListFileLexer_Token_Identifier)
{
- inFile.m_ModifiedTime = 0;
+ if(haveNewline)
+ {
+ haveNewline = false;
+ cmListFileFunction inFunction;
+ inFunction.m_Name = token->text;
+ inFunction.m_FilePath = path;
+ inFunction.m_Line = token->line;
+ if(cmListFileCacheParseFunction(lexer, inFunction, path))
+ {
+ inFile.m_Functions.push_back(inFunction);
+ }
+ else
+ {
+ parseError = true;
+ }
+ }
+ else
+ {
+ cmOStringStream error;
+ error << "Error in cmake code at\n"
+ << path << ":" << token->line << ":\n"
+ << "Parse error. Expected a newline, got \""
+ << token->text << "\".";
+ cmSystemTools::Error(error.str().c_str());
+ parseError = true;
+ }
+ }
+ else
+ {
+ cmOStringStream error;
+ error << "Error in cmake code at\n"
+ << path << ":" << token->line << ":\n"
+ << "Parse error. Expected a command name, got \""
+ << token->text << "\".";
+ cmSystemTools::Error(error.str().c_str());
+ parseError = true;
}
}
+ if (parseError)
+ {
+ inFile.m_ModifiedTime = 0;
+ }
+
+ cmListFileLexer_Delete(lexer);
+
if(requireProjectCommand)
{
bool hasProject = false;
@@ -146,224 +204,71 @@ void cmListFileCache::FlushCache(const char* path)
}
}
-//----------------------------------------------------------------------------
-inline bool cmListFileCachePreprocessLine(std::string& line)
+bool cmListFileCacheParseFunction(cmListFileLexer* lexer,
+ cmListFileFunction& function,
+ const char* filename)
{
- // Keep track of whether characters are inside a quoted argument.
- bool quoted = false;
-
- // Keep track of whether the line is blank.
- bool blank = true;
-
- // Loop over every character in the line.
- std::string::iterator c;
- for(c = line.begin(); c != line.end(); ++c)
+ // Command name has already been parsed. Read the left paren.
+ cmListFileLexer_Token* token;
+ if(!(token = cmListFileLexer_Scan(lexer)))
{
- if((*c == '\\') && (c < line.end()-1))
- {
- // A backslash escapes any character, so skip the next
- // character.
- ++c;
-
- // We have encountered a non-whitespace character.
- blank = false;
- }
- else if(*c == '"')
- {
- // A double-quote either starts or ends a quoted argument.
- quoted = !quoted;
-
- // We have encountered a non-whitespace character.
- blank = false;
- }
- else if(*c == '#' && !quoted)
- {
- // A pound character outside a double-quoted argument marks the
- // rest of the line as a comment. Skip it.
- break;
- }
- else if((*c != ' ') && (*c != '\t') && (*c != '\r'))
- {
- // We have encountered a non-whitespace character.
- blank = false;
- }
+ cmOStringStream error;
+ error << "Error in cmake code at\n"
+ << filename << ":" << cmListFileLexer_GetCurrentLine(lexer) << ":\n"
+ << "Parse error. Function missing opening \"(\".";
+ cmSystemTools::Error(error.str().c_str());
+ return false;
}
-
- // Erase from the comment character to the end of the line. If no
- // comment was present, both iterators are end() iterators and this
- // does nothing.
- line.erase(c, line.end());
-
- // Return true if there is anything useful on this line.
- return !blank;
-}
-
-//----------------------------------------------------------------------------
-bool cmListFileCache::ParseFunction(std::ifstream& fin,
- cmListFileFunction& function,
- const char* filename,
- bool& parseError,
- long& line)
-{
- parseError = false;
- std::string& name = function.m_Name;
- std::vector<cmListFileArgument>& arguments = function.m_Arguments;
- name = "";
- arguments = std::vector<cmListFileArgument>();
- std::string inbuffer;
- if(!fin)
+ if(token->type != cmListFileLexer_Token_ParenLeft)
{
+ cmOStringStream error;
+ error << "Error in cmake code at\n"
+ << filename << ":" << cmListFileLexer_GetCurrentLine(lexer) << ":\n"
+ << "Parse error. Expected \"(\", got \""
+ << token->text << "\".";
+ cmSystemTools::Error(error.str().c_str());
return false;
}
- if(cmSystemTools::GetLineFromStream(fin, inbuffer) )
+
+ // Arguments.
+ while((token = cmListFileLexer_Scan(lexer)))
{
- // Count this line in line numbering.
- ++line;
-
- // Preprocess the line to remove comments. Only use it if there
- // is non-whitespace.
- if(!cmListFileCachePreprocessLine(inbuffer))
+ if(token->type == cmListFileLexer_Token_ParenRight)
{
- return false;
+ return true;
}
-
- // Regular expressions to match portions of a command invocation.
- cmsys::RegularExpression oneLiner("^[ \t]*([A-Za-z_0-9]*)[ \t]*\\((.*)\\)[ \t\r]*$");
- cmsys::RegularExpression multiLine("^[ \t]*([A-Za-z_0-9]*)[ \t]*\\((.*)$");
- cmsys::RegularExpression lastLine("^(.*)\\)[ \t\r]*$");
-
- // look for a oneline fun(arg arg2)
- if(oneLiner.find(inbuffer.c_str()))
+ else if(token->type == cmListFileLexer_Token_Identifier ||
+ token->type == cmListFileLexer_Token_ArgumentUnquoted)
{
- // the arguments are the second match
- std::string args = oneLiner.match(2);
- name = oneLiner.match(1);
- // break up the arguments
- cmListFileCache::GetArguments(args, arguments);
- function.m_Line = line;
- return true;
+ cmListFileArgument a(cmSystemTools::RemoveEscapes(token->text),
+ false);
+ function.m_Arguments.push_back(a);
}
- // look for a start of a multiline with no trailing ")" fun(arg arg2
- else if(multiLine.find(inbuffer.c_str()))
+ else if(token->type == cmListFileLexer_Token_ArgumentQuoted)
{
- name = multiLine.match(1);
- std::string args = multiLine.match(2);
- cmListFileCache::GetArguments(args, arguments);
- function.m_Line = line;
- // Read lines until the closing paren is hit
- bool done = false;
- while(!done)
- {
- // read lines until the end paren is found
- if(cmSystemTools::GetLineFromStream(fin, inbuffer) )
- {
- // Count this line in line numbering.
- ++line;
-
- // Preprocess the line to remove comments. Only use it if there
- // is non-whitespace.
- if(!cmListFileCachePreprocessLine(inbuffer))
- {
- continue;
- }
-
- // Is this the last line?
- if(lastLine.find(inbuffer.c_str()))
- {
- done = true;
- std::string gargs = lastLine.match(1);
- cmListFileCache::GetArguments(gargs, arguments);
- }
- else
- {
- cmListFileCache::GetArguments(inbuffer, arguments);
- }
- }
- else
- {
- parseError = true;
- cmOStringStream error;
- error << "Error in cmake code at\n"
- << filename << ":" << line << ":\n"
- << "Parse error. Function missing ending \")\".";
- cmSystemTools::Error(error.str().c_str());
- return false;
- }
- }
- return true;
+ cmListFileArgument a(cmSystemTools::RemoveEscapes(token->text),
+ true);
+ function.m_Arguments.push_back(a);
}
- else
+ else if(token->type != cmListFileLexer_Token_Newline)
{
- parseError = true;
+ // Error.
cmOStringStream error;
error << "Error in cmake code at\n"
- << filename << ":" << line << ":\n"
- << "Parse error.";
+ << filename << ":" << cmListFileLexer_GetCurrentLine(lexer) << ":\n"
+ << "Parse error. Function missing ending \")\". "
+ << "Instead found \"" << token->text << "\".";
cmSystemTools::Error(error.str().c_str());
return false;
}
}
- return false;
-
-}
-void cmListFileCache::GetArguments(std::string& line,
- std::vector<cmListFileArgument>& arguments)
-{
- // Match a normal argument (not quoted, no spaces).
- cmsys::RegularExpression normalArgument("[ \t]*(([^ \t\r\\]|[\\].)+)[ \t\r]*");
- // Match a quoted argument (surrounded by double quotes, spaces allowed).
- cmsys::RegularExpression quotedArgument("[ \t]*(\"([^\"\\]|[\\].)*\")[ \t\r]*");
-
- bool done = false;
- while(!done)
- {
- std::string arg;
- std::string::size_type endpos=0;
- bool quoted = false;
- bool foundQuoted = quotedArgument.find(line.c_str());
- bool foundNormal = normalArgument.find(line.c_str());
+ cmOStringStream error;
+ error << "Error in cmake code at\n"
+ << filename << ":" << cmListFileLexer_GetCurrentLine(lexer) << ":\n"
+ << "Parse error. Function missing ending \")\". "
+ << "End of file reached.";
+ cmSystemTools::Error(error.str().c_str());
- if(foundQuoted && foundNormal)
- {
- // Both matches were found. Take the earlier one.
- // Favor double-quoted version if there is a tie.
- if(normalArgument.start(1) < quotedArgument.start(1))
- {
- arg = normalArgument.match(1);
- endpos = normalArgument.end(1);
- }
- else
- {
- arg = quotedArgument.match(1);
- endpos = quotedArgument.end(1);
- // Strip off the double quotes on the ends.
- arg = arg.substr(1, arg.length()-2);
- quoted = true;
- }
- }
- else if(foundQuoted)
- {
- arg = quotedArgument.match(1);
- endpos = quotedArgument.end(1);
- // Strip off the double quotes on the ends.
- arg = arg.substr(1, arg.length()-2);
- quoted = true;
- }
- else if(foundNormal)
- {
- arg = normalArgument.match(1);
- endpos = normalArgument.end(1);
- }
- else
- {
- done = true;
- }
- if(!done)
- {
- cmListFileArgument a(cmSystemTools::RemoveEscapes(arg.c_str()), quoted);
- arguments.push_back(a);
- line = line.substr(endpos, line.length() - endpos);
- }
- }
+ return false;
}
diff --git a/Source/cmListFileCache.h b/Source/cmListFileCache.h
index 473fb629a32ed7482e56379ee828269646f79bce..8dc371f8e4207c24aeaf413a866ba5ee4f18f209 100644
--- a/Source/cmListFileCache.h
+++ b/Source/cmListFileCache.h
@@ -79,25 +79,7 @@ public:
//! Flush cache file out of cache.
void FlushCache(const char* path);
-
- /**
- * Read a CMake command (or function) from an input file. This
- * returns the name of the function and a list of its
- * arguments. The last argument is the name of the file that
- * the ifstream points to, and is used for debug info only.
- */
- static bool ParseFunction(std::ifstream&, cmListFileFunction& function,
- const char* filename, bool& parseError,
- long& line);
- /**
- * Extract white-space separated arguments from a string.
- * Double quoted strings are accepted with spaces.
- * This is called by ParseFunction.
- */
- static void GetArguments(std::string& line,
- std::vector<cmListFileArgument>& arguments);
-
private:
// Cache the file
bool CacheFile(const char* path, bool requireProjectCommand);
@@ -107,5 +89,4 @@ private:
static cmListFileCache* Instance; // singelton pointer
};
-
#endif
diff --git a/Source/cmListFileLexer.c b/Source/cmListFileLexer.c
new file mode 100644
index 0000000000000000000000000000000000000000..8c7e0664af824618fe00df635bf792b35ccf28ec
--- /dev/null
+++ b/Source/cmListFileLexer.c
@@ -0,0 +1,2216 @@
+#line 2 "cmListFileLexer.c"
+
+#line 4 "cmListFileLexer.c"
+
+#define YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 31
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t;
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX (4294967295U)
+#endif
+
+#endif /* ! FLEXINT_H */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else /* ! __cplusplus */
+
+#if __STDC__
+
+#define YY_USE_CONST
+
+#endif /* __STDC__ */
+#endif /* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index. If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* An opaque pointer. */
+#ifndef YY_TYPEDEF_YY_SCANNER_T
+#define YY_TYPEDEF_YY_SCANNER_T
+typedef void* yyscan_t;
+#endif
+
+/* For convenience, these vars (plus the bison vars far below)
+ are macros in the reentrant scanner. */
+#define yyin yyg->yyin_r
+#define yyout yyg->yyout_r
+#define yyextra yyg->yyextra_r
+#define yyleng yyg->yyleng_r
+#define yytext yyg->yytext_r
+#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
+#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
+#define yy_flex_debug yyg->yy_flex_debug_r
+
+int yylex_init (yyscan_t* scanner);
+
+/* Enter a start condition. This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN yyg->yy_start = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state. The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START ((yyg->yy_start - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE yyrestart(yyin ,yyscanner )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#define YY_BUF_SIZE 16384
+#endif
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+ /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
+ * access to the local variable yy_act. Since yyless() is a macro, it would break
+ * existing scanners that call yyless() from OUTSIDE yylex.
+ * One obvious solution it to make yy_act a global. I tried that, and saw
+ * a 5% performance hit in a non-yylineno scanner, because yy_act is
+ * normally declared as a register variable-- so it is not worth it.
+ */
+ #define YY_LESS_LINENO(n) \
+ do { \
+ int yyl;\
+ for ( yyl = n; yyl < yyleng; ++yyl )\
+ if ( yytext[yyl] == '\n' )\
+ --yylineno;\
+ }while(0)
+
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ *yy_cp = yyg->yy_hold_char; \
+ YY_RESTORE_YY_MORE_OFFSET \
+ yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+ YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+ } \
+ while ( 0 )
+
+#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )
+
+/* The following is because we cannot portably get our hands on size_t
+ * (without autoconf's help, which isn't available because we want
+ * flex-generated scanners to compile on their own).
+ */
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef unsigned int yy_size_t;
+#endif
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+ {
+ FILE *yy_input_file;
+
+ char *yy_ch_buf; /* input buffer */
+ char *yy_buf_pos; /* current position in input buffer */
+
+ /* Size of input buffer in bytes, not including room for EOB
+ * characters.
+ */
+ yy_size_t yy_buf_size;
+
+ /* Number of characters read into yy_ch_buf, not including EOB
+ * characters.
+ */
+ int yy_n_chars;
+
+ /* Whether we "own" the buffer - i.e., we know we created it,
+ * and can realloc() it to grow it, and should free() it to
+ * delete it.
+ */
+ int yy_is_our_buffer;
+
+ /* Whether this is an "interactive" input source; if so, and
+ * if we're using stdio for input, then we want to use getc()
+ * instead of fread(), to make sure we stop fetching input after
+ * each newline.
+ */
+ int yy_is_interactive;
+
+ /* Whether we're considered to be at the beginning of a line.
+ * If so, '^' rules will be active on the next match, otherwise
+ * not.
+ */
+ int yy_at_bol;
+
+ int yy_bs_lineno; /**< The line count. */
+ int yy_bs_column; /**< The column count. */
+
+ /* Whether to try to fill the input buffer when we reach the
+ * end of it.
+ */
+ int yy_fill_buffer;
+
+ int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+ /* When an EOF's been seen but there's still some text to process
+ * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+ * shouldn't try reading from the input source any more. We might
+ * still have a bunch of tokens to match, though, because of
+ * possible backing-up.
+ *
+ * When we actually see the EOF, we change the status to "new"
+ * (via yyrestart()), so that the user can continue scanning by
+ * just pointing yyin at a new input file.
+ */
+#define YY_BUFFER_EOF_PENDING 2
+
+ };
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \
+ ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \
+ : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
+
+void yyrestart (FILE *input_file ,yyscan_t yyscanner );
+void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
+void yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+void yypop_buffer_state (yyscan_t yyscanner );
+
+static void yyensure_buffer_stack (yyscan_t yyscanner );
+static void yy_load_buffer_state (yyscan_t yyscanner );
+static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
+
+#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
+
+YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
+
+void *yyalloc (yy_size_t ,yyscan_t yyscanner );
+void *yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );
+void yyfree (void * ,yyscan_t yyscanner );
+
+#define yy_new_buffer yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){ \
+ yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+ }
+
+#define yy_set_bol(at_bol) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){\
+ yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+ }
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define yywrap(n) 1
+#define YY_SKIP_YYWRAP
+
+typedef unsigned char YY_CHAR;
+
+typedef int yy_state_type;
+
+#define yytext_ptr yytext_r
+
+static yy_state_type yy_get_previous_state (yyscan_t yyscanner );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner);
+static int yy_get_next_buffer (yyscan_t yyscanner );
+static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+ yyg->yytext_ptr = yy_bp; \
+ yyleng = (size_t) (yy_cp - yy_bp); \
+ yyg->yy_hold_char = *yy_cp; \
+ *yy_cp = '\0'; \
+ yyg->yy_c_buf_p = yy_cp;
+
+#define YY_NUM_RULES 14
+#define YY_END_OF_BUFFER 15
+/* This struct is not used in this scanner,
+ but its presence is necessary. */
+struct yy_trans_info
+ {
+ flex_int32_t yy_verify;
+ flex_int32_t yy_nxt;
+ };
+static yyconst flex_int16_t yy_accept[28] =
+ { 0,
+ 0, 0, 0, 0, 15, 6, 12, 1, 7, 2,
+ 3, 4, 6, 13, 8, 9, 10, 11, 6, 0,
+ 2, 2, 2, 5, 8, 0, 0
+ } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
+ 1, 1, 2, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 2, 1, 4, 5, 1, 1, 1, 1, 6,
+ 7, 1, 1, 1, 1, 1, 1, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 1, 1, 1,
+ 1, 1, 1, 1, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 1, 10, 1, 1, 9, 1, 9, 9, 9, 9,
+
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1
+ } ;
+
+static yyconst flex_int32_t yy_meta[11] =
+ { 0,
+ 1, 2, 3, 4, 1, 2, 2, 1, 1, 1
+ } ;
+
+static yyconst flex_int16_t yy_base[33] =
+ { 0,
+ 0, 0, 8, 16, 21, 7, 69, 69, 69, 26,
+ 69, 69, 36, 45, 6, 69, 69, 50, 5, 0,
+ 0, 0, 0, 0, 4, 0, 69, 54, 12, 58,
+ 60, 64
+ } ;
+
+static yyconst flex_int16_t yy_def[33] =
+ { 0,
+ 27, 1, 28, 28, 27, 29, 27, 27, 27, 27,
+ 27, 27, 27, 29, 30, 27, 27, 30, 29, 14,
+ 10, 31, 32, 13, 30, 18, 0, 27, 27, 27,
+ 27, 27
+ } ;
+
+static yyconst flex_int16_t yy_nxt[80] =
+ { 0,
+ 6, 7, 8, 9, 10, 11, 12, 6, 13, 14,
+ 16, 17, 19, 26, 20, 26, 20, 18, 16, 17,
+ 27, 27, 27, 27, 27, 18, 21, 22, 27, 22,
+ 21, 22, 22, 21, 21, 23, 19, 27, 27, 27,
+ 19, 27, 27, 24, 24, 20, 19, 27, 19, 27,
+ 19, 19, 25, 25, 15, 15, 15, 15, 25, 25,
+ 22, 22, 27, 22, 21, 21, 27, 21, 5, 27,
+ 27, 27, 27, 27, 27, 27, 27, 27, 27
+ } ;
+
+static yyconst flex_int16_t yy_chk[80] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 3, 3, 29, 25, 19, 15, 6, 3, 4, 4,
+ 5, 0, 0, 0, 0, 4, 10, 10, 0, 10,
+ 10, 10, 10, 10, 10, 10, 13, 0, 0, 0,
+ 13, 0, 0, 13, 13, 13, 14, 0, 14, 0,
+ 14, 14, 18, 18, 28, 28, 28, 28, 30, 30,
+ 31, 31, 0, 31, 32, 32, 0, 32, 27, 27,
+ 27, 27, 27, 27, 27, 27, 27, 27, 27
+ } ;
+
+/* Table of booleans, true if rule could match eol. */
+static yyconst flex_int32_t yy_rule_can_match_eol[15] =
+ { 0,
+1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, };
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+#line 1 "cmListFileLexer.l"
+#line 2 "cmListFileLexer.l"
+/*=========================================================================
+
+ 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.
+
+=========================================================================*/
+/* Run flex like this: flex -ocmListFileLexer.c cmListFileLexer.l */
+
+/* Disable features we do not need. */
+#define YY_NEVER_INTERACTIVE 1
+#define YY_NO_UNPUT 1
+#define ECHO
+
+/* Setup the proper yylex declaration. */
+#define YY_DECL int yylex (yyscan_t yyscanner, cmListFileLexer* lexer)
+
+/* Disable some warnings. */
+#if defined(_MSC_VER)
+# pragma warning ( disable : 4127 )
+# pragma warning ( disable : 4131 )
+# pragma warning ( disable : 4244 )
+# pragma warning ( disable : 4251 )
+# pragma warning ( disable : 4267 )
+# pragma warning ( disable : 4305 )
+# pragma warning ( disable : 4309 )
+# pragma warning ( disable : 4706 )
+# pragma warning ( disable : 4786 )
+#endif
+
+#include "cmListFileLexer.h"
+
+/*--------------------------------------------------------------------------*/
+struct cmListFileLexer_s
+{
+ cmListFileLexer_Token token;
+ int line;
+ int column;
+ int size;
+ FILE* file;
+ yyscan_t scanner;
+};
+
+static void cmListFileLexerSetToken(cmListFileLexer* lexer, const char* text,
+ int length);
+static void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text,
+ int length);
+
+/*--------------------------------------------------------------------------*/
+
+#line 526 "cmListFileLexer.c"
+
+#define INITIAL 0
+#define STRING 1
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+/* Holds the entire state of the reentrant scanner. */
+struct yyguts_t
+ {
+
+ /* User-defined. Not touched by flex. */
+ YY_EXTRA_TYPE yyextra_r;
+
+ /* The rest are the same as the globals declared in the non-reentrant scanner. */
+ FILE *yyin_r, *yyout_r;
+ size_t yy_buffer_stack_top; /**< index of top of stack. */
+ size_t yy_buffer_stack_max; /**< capacity of stack. */
+ YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */
+ char yy_hold_char;
+ int yy_n_chars;
+ int yyleng_r;
+ char *yy_c_buf_p;
+ int yy_init;
+ int yy_start;
+ int yy_did_buffer_switch_on_eof;
+ int yy_start_stack_ptr;
+ int yy_start_stack_depth;
+ int *yy_start_stack;
+ yy_state_type yy_last_accepting_state;
+ char* yy_last_accepting_cpos;
+
+ int yylineno_r;
+ int yy_flex_debug_r;
+
+ char *yytext_r;
+ int yy_more_flag;
+ int yy_more_len;
+
+ }; /* end struct yyguts_t */
+
+/* Accessor methods to globals.
+ These are made visible to non-reentrant scanners for convenience. */
+
+int yylex_destroy (yyscan_t yyscanner );
+
+int yyget_debug (yyscan_t yyscanner );
+
+void yyset_debug (int debug_flag ,yyscan_t yyscanner );
+
+YY_EXTRA_TYPE yyget_extra (yyscan_t yyscanner );
+
+void yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
+
+FILE *yyget_in (yyscan_t yyscanner );
+
+void yyset_in (FILE * in_str ,yyscan_t yyscanner );
+
+FILE *yyget_out (yyscan_t yyscanner );
+
+void yyset_out (FILE * out_str ,yyscan_t yyscanner );
+
+int yyget_leng (yyscan_t yyscanner );
+
+char *yyget_text (yyscan_t yyscanner );
+
+int yyget_lineno (yyscan_t yyscanner );
+
+void yyset_lineno (int line_number ,yyscan_t yyscanner );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap (yyscan_t yyscanner );
+#else
+extern int yywrap (yyscan_t yyscanner );
+#endif
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (yyscan_t yyscanner );
+#else
+static int input (yyscan_t yyscanner );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
+#endif
+
+/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+ { \
+ int c = '*'; \
+ size_t n; \
+ for ( n = 0; n < max_size && \
+ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+ buf[n] = (char) c; \
+ if ( c == '\n' ) \
+ buf[n++] = (char) c; \
+ if ( c == EOF && ferror( yyin ) ) \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ result = n; \
+ } \
+ else \
+ { \
+ errno=0; \
+ while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
+ { \
+ if( errno != EINTR) \
+ { \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ break; \
+ } \
+ errno=0; \
+ clearerr(yyin); \
+ } \
+ }\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner)
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int yylex (yyscan_t yyscanner);
+
+#define YY_DECL int yylex (yyscan_t yyscanner)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+ YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+ register yy_state_type yy_current_state;
+ register char *yy_cp, *yy_bp;
+ register int yy_act;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+#line 68 "cmListFileLexer.l"
+
+
+#line 745 "cmListFileLexer.c"
+
+ if ( yyg->yy_init )
+ {
+ yyg->yy_init = 0;
+
+#ifdef YY_USER_INIT
+ YY_USER_INIT;
+#endif
+
+ if ( ! yyg->yy_start )
+ yyg->yy_start = 1; /* first start state */
+
+ if ( ! yyin )
+ yyin = stdin;
+
+ if ( ! yyout )
+ yyout = stdout;
+
+ if ( ! YY_CURRENT_BUFFER ) {
+ yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ yy_load_buffer_state(yyscanner );
+ }
+
+ while ( 1 ) /* loops until end-of-file is reached */
+ {
+ yy_cp = yyg->yy_c_buf_p;
+
+ /* Support of yytext. */
+ *yy_cp = yyg->yy_hold_char;
+
+ /* yy_bp points to the position in yy_ch_buf of the start of
+ * the current run.
+ */
+ yy_bp = yy_cp;
+
+ yy_current_state = yyg->yy_start;
+yy_match:
+ do
+ {
+ register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 28 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ ++yy_cp;
+ }
+ while ( yy_base[yy_current_state] != 69 );
+
+yy_find_action:
+ yy_act = yy_accept[yy_current_state];
+ if ( yy_act == 0 )
+ { /* have to back up */
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+ yy_act = yy_accept[yy_current_state];
+ }
+
+ YY_DO_BEFORE_ACTION;
+
+ if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
+ {
+ int yyl;
+ for ( yyl = 0; yyl < yyleng; ++yyl )
+ if ( yytext[yyl] == '\n' )
+
+ do{ yylineno++;
+ yycolumn=0;
+ }while(0)
+;
+ }
+
+do_action: /* This label is used only to access EOF actions. */
+
+ switch ( yy_act )
+ { /* beginning of action switch */
+ case 0: /* must back up */
+ /* undo the effects of YY_DO_BEFORE_ACTION */
+ *yy_cp = yyg->yy_hold_char;
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+ goto yy_find_action;
+
+case 1:
+/* rule 1 can match eol */
+YY_RULE_SETUP
+#line 70 "cmListFileLexer.l"
+{
+ lexer->token.type = cmListFileLexer_Token_Newline;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ ++lexer->line;
+ lexer->column = 1;
+ return 1;
+}
+ YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 78 "cmListFileLexer.l"
+{
+ lexer->column += yyleng;
+}
+ YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 82 "cmListFileLexer.l"
+{
+ lexer->token.type = cmListFileLexer_Token_ParenLeft;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+ YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 89 "cmListFileLexer.l"
+{
+ lexer->token.type = cmListFileLexer_Token_ParenRight;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+ YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 96 "cmListFileLexer.l"
+{
+ lexer->token.type = cmListFileLexer_Token_Identifier;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+ YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 103 "cmListFileLexer.l"
+{
+ lexer->token.type = cmListFileLexer_Token_ArgumentUnquoted;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+ YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 110 "cmListFileLexer.l"
+{
+ lexer->token.type = cmListFileLexer_Token_ArgumentQuoted;
+ cmListFileLexerSetToken(lexer, "", 0);
+ lexer->column += yyleng;
+ BEGIN(STRING);
+}
+ YY_BREAK
+case 8:
+/* rule 8 can match eol */
+YY_RULE_SETUP
+#line 117 "cmListFileLexer.l"
+{
+ cmListFileLexerAppend(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+}
+ YY_BREAK
+case 9:
+/* rule 9 can match eol */
+YY_RULE_SETUP
+#line 122 "cmListFileLexer.l"
+{
+ cmListFileLexerAppend(lexer, yytext, yyleng);
+ ++lexer->line;
+ lexer->column = 1;
+}
+ YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 128 "cmListFileLexer.l"
+{
+ lexer->column += yyleng;
+ BEGIN(INITIAL);
+ return 1;
+}
+ YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 134 "cmListFileLexer.l"
+{
+ cmListFileLexerAppend(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+}
+ YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 139 "cmListFileLexer.l"
+{
+ lexer->column += yyleng;
+}
+ YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 143 "cmListFileLexer.l"
+{
+ lexer->token.type = cmListFileLexer_Token_Error;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+ YY_BREAK
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(STRING):
+#line 150 "cmListFileLexer.l"
+{
+ lexer->token.type = cmListFileLexer_Token_None;
+ cmListFileLexerSetToken(lexer, 0, 0);
+ return 0;
+}
+ YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 156 "cmListFileLexer.l"
+ECHO;
+ YY_BREAK
+#line 976 "cmListFileLexer.c"
+
+ case YY_END_OF_BUFFER:
+ {
+ /* Amount of text matched not including the EOB char. */
+ int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1;
+
+ /* Undo the effects of YY_DO_BEFORE_ACTION. */
+ *yy_cp = yyg->yy_hold_char;
+ YY_RESTORE_YY_MORE_OFFSET
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+ {
+ /* We're scanning a new file or input source. It's
+ * possible that this happened because the user
+ * just pointed yyin at a new source and called
+ * yylex(). If so, then we have to assure
+ * consistency between YY_CURRENT_BUFFER and our
+ * globals. Here is the right place to do so, because
+ * this is the first action (other than possibly a
+ * back-up) that will match for the new input source.
+ */
+ yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+ }
+
+ /* Note that here we test for yy_c_buf_p "<=" to the position
+ * of the first EOB in the buffer, since yy_c_buf_p will
+ * already have been incremented past the NUL character
+ * (since all states make transitions on EOB to the
+ * end-of-buffer state). Contrast this with the test
+ * in input().
+ */
+ if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+ { /* This was really a NUL. */
+ yy_state_type yy_next_state;
+
+ yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ /* Okay, we're now positioned to make the NUL
+ * transition. We couldn't have
+ * yy_get_previous_state() go ahead and do it
+ * for us because it doesn't know how to deal
+ * with the possibility of jamming (and we don't
+ * want to build jamming into it because then it
+ * will run more slowly).
+ */
+
+ yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner);
+
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+
+ if ( yy_next_state )
+ {
+ /* Consume the NUL. */
+ yy_cp = ++yyg->yy_c_buf_p;
+ yy_current_state = yy_next_state;
+ goto yy_match;
+ }
+
+ else
+ {
+ yy_cp = yyg->yy_c_buf_p;
+ goto yy_find_action;
+ }
+ }
+
+ else switch ( yy_get_next_buffer( yyscanner ) )
+ {
+ case EOB_ACT_END_OF_FILE:
+ {
+ yyg->yy_did_buffer_switch_on_eof = 0;
+
+ if ( yywrap(yyscanner ) )
+ {
+ /* Note: because we've taken care in
+ * yy_get_next_buffer() to have set up
+ * yytext, we can now set up
+ * yy_c_buf_p so that if some total
+ * hoser (like flex itself) wants to
+ * call the scanner after we return the
+ * YY_NULL, it'll still work - another
+ * YY_NULL will get returned.
+ */
+ yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;
+
+ yy_act = YY_STATE_EOF(YY_START);
+ goto do_action;
+ }
+
+ else
+ {
+ if ( ! yyg->yy_did_buffer_switch_on_eof )
+ YY_NEW_FILE;
+ }
+ break;
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ yyg->yy_c_buf_p =
+ yyg->yytext_ptr + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ yy_cp = yyg->yy_c_buf_p;
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+ goto yy_match;
+
+ case EOB_ACT_LAST_MATCH:
+ yyg->yy_c_buf_p =
+ &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ yy_cp = yyg->yy_c_buf_p;
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+ goto yy_find_action;
+ }
+ break;
+ }
+
+ default:
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--no action found" );
+ } /* end of action switch */
+ } /* end of scanning one token */
+} /* end of yylex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ * EOB_ACT_LAST_MATCH -
+ * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ * EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+ register char *source = yyg->yytext_ptr;
+ register int number_to_move, i;
+ int ret_val;
+
+ if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] )
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--end of buffer missed" );
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+ { /* Don't try to fill the buffer, so this is an EOF. */
+ if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 )
+ {
+ /* We matched a single character, the EOB, so
+ * treat this as a final EOF.
+ */
+ return EOB_ACT_END_OF_FILE;
+ }
+
+ else
+ {
+ /* We matched some text prior to the EOB, first
+ * process it.
+ */
+ return EOB_ACT_LAST_MATCH;
+ }
+ }
+
+ /* Try to read more data. */
+
+ /* First move last chars to start of buffer. */
+ number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1;
+
+ for ( i = 0; i < number_to_move; ++i )
+ *(dest++) = *(source++);
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+ /* don't do the read, it's not guaranteed to return an EOF,
+ * just force an EOF
+ */
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0;
+
+ else
+ {
+ size_t num_to_read =
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+ while ( num_to_read <= 0 )
+ { /* Not enough room in the buffer - grow it. */
+
+ /* just a shorter name for the current buffer */
+ YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+
+ int yy_c_buf_p_offset =
+ (int) (yyg->yy_c_buf_p - b->yy_ch_buf);
+
+ if ( b->yy_is_our_buffer )
+ {
+ int new_size = b->yy_buf_size * 2;
+
+ if ( new_size <= 0 )
+ b->yy_buf_size += b->yy_buf_size / 8;
+ else
+ b->yy_buf_size *= 2;
+
+ b->yy_ch_buf = (char *)
+ /* Include room in for 2 EOB chars. */
+ yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner );
+ }
+ else
+ /* Can't grow it, we don't own it. */
+ b->yy_ch_buf = 0;
+
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR(
+ "fatal error - scanner input buffer overflow" );
+
+ yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+ num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+ number_to_move - 1;
+
+ }
+
+ if ( num_to_read > YY_READ_BUF_SIZE )
+ num_to_read = YY_READ_BUF_SIZE;
+
+ /* Read in more data. */
+ YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+ yyg->yy_n_chars, num_to_read );
+
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ if ( yyg->yy_n_chars == 0 )
+ {
+ if ( number_to_move == YY_MORE_ADJ )
+ {
+ ret_val = EOB_ACT_END_OF_FILE;
+ yyrestart(yyin ,yyscanner);
+ }
+
+ else
+ {
+ ret_val = EOB_ACT_LAST_MATCH;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+ YY_BUFFER_EOF_PENDING;
+ }
+ }
+
+ else
+ ret_val = EOB_ACT_CONTINUE_SCAN;
+
+ yyg->yy_n_chars += number_to_move;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
+
+ yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+ return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+ static yy_state_type yy_get_previous_state (yyscan_t yyscanner)
+{
+ register yy_state_type yy_current_state;
+ register char *yy_cp;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ yy_current_state = yyg->yy_start;
+
+ for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp )
+ {
+ register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 28 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ }
+
+ return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ * next_state = yy_try_NUL_trans( current_state );
+ */
+ static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner)
+{
+ register int yy_is_jam;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ register char *yy_cp = yyg->yy_c_buf_p;
+
+ register YY_CHAR yy_c = 1;
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 28 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ yy_is_jam = (yy_current_state == 27);
+
+ return yy_is_jam ? 0 : yy_current_state;
+}
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+ static int yyinput (yyscan_t yyscanner)
+#else
+ static int input (yyscan_t yyscanner)
+#endif
+
+{
+ int c;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+
+ if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
+ {
+ /* yy_c_buf_p now points to the character we want to return.
+ * If this occurs *before* the EOB characters, then it's a
+ * valid NUL; if not, then we've hit the end of the buffer.
+ */
+ if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+ /* This was really a NUL. */
+ *yyg->yy_c_buf_p = '\0';
+
+ else
+ { /* need more input */
+ int offset = yyg->yy_c_buf_p - yyg->yytext_ptr;
+ ++yyg->yy_c_buf_p;
+
+ switch ( yy_get_next_buffer( yyscanner ) )
+ {
+ case EOB_ACT_LAST_MATCH:
+ /* This happens because yy_g_n_b()
+ * sees that we've accumulated a
+ * token and flags that we need to
+ * try matching the token before
+ * proceeding. But for input(),
+ * there's no matching to consider.
+ * So convert the EOB_ACT_LAST_MATCH
+ * to EOB_ACT_END_OF_FILE.
+ */
+
+ /* Reset buffer status. */
+ yyrestart(yyin ,yyscanner);
+
+ /*FALLTHROUGH*/
+
+ case EOB_ACT_END_OF_FILE:
+ {
+ if ( yywrap(yyscanner ) )
+ return EOF;
+
+ if ( ! yyg->yy_did_buffer_switch_on_eof )
+ YY_NEW_FILE;
+#ifdef __cplusplus
+ return yyinput(yyscanner);
+#else
+ return input(yyscanner);
+#endif
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ yyg->yy_c_buf_p = yyg->yytext_ptr + offset;
+ break;
+ }
+ }
+ }
+
+ c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */
+ *yyg->yy_c_buf_p = '\0'; /* preserve yytext */
+ yyg->yy_hold_char = *++yyg->yy_c_buf_p;
+
+ if ( c == '\n' )
+
+ do{ yylineno++;
+ yycolumn=0;
+ }while(0)
+;
+
+ return c;
+}
+#endif /* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * @param yyscanner The scanner object.
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+ void yyrestart (FILE * input_file , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! YY_CURRENT_BUFFER ){
+ yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
+ yy_load_buffer_state(yyscanner );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * @param yyscanner The scanner object.
+ */
+ void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* TODO. We should be able to replace this entire function body
+ * with
+ * yypop_buffer_state();
+ * yypush_buffer_state(new_buffer);
+ */
+ yyensure_buffer_stack (yyscanner);
+ if ( YY_CURRENT_BUFFER == new_buffer )
+ return;
+
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+ yy_load_buffer_state(yyscanner );
+
+ /* We don't actually know whether we did this switch during
+ * EOF (yywrap()) processing, but the only time this flag
+ * is looked at is after yywrap() is called, so it's safe
+ * to go ahead and always set it.
+ */
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+static void yy_load_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+ yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+ yyg->yy_hold_char = *yyg->yy_c_buf_p;
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * @param yyscanner The scanner object.
+ * @return the allocated buffer state.
+ */
+ YY_BUFFER_STATE yy_create_buffer (FILE * file, int size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+ b->yy_buf_size = size;
+
+ /* yy_ch_buf has to be 2 characters longer than the size given because
+ * we need to put in 2 end-of-buffer characters.
+ */
+ b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ,yyscanner );
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+ b->yy_is_our_buffer = 1;
+
+ yy_init_buffer(b,file ,yyscanner);
+
+ return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ * @param yyscanner The scanner object.
+ */
+ void yy_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! b )
+ return;
+
+ if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+ YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+ if ( b->yy_is_our_buffer )
+ yyfree((void *) b->yy_ch_buf ,yyscanner );
+
+ yyfree((void *) b ,yyscanner );
+}
+
+#ifndef __cplusplus
+extern int isatty (int );
+#endif /* __cplusplus */
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a yyrestart() or at EOF.
+ */
+ static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner)
+
+{
+ int oerrno = errno;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ yy_flush_buffer(b ,yyscanner);
+
+ b->yy_input_file = file;
+ b->yy_fill_buffer = 1;
+
+ /* If b is the current buffer, then yy_init_buffer was _probably_
+ * called from yyrestart() or through yy_get_next_buffer.
+ * In that case, we don't want to reset the lineno or column.
+ */
+ if (b != YY_CURRENT_BUFFER){
+ b->yy_bs_lineno = 1;
+ b->yy_bs_column = 0;
+ }
+
+ b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+
+ errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * @param yyscanner The scanner object.
+ */
+ void yy_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if ( ! b )
+ return;
+
+ b->yy_n_chars = 0;
+
+ /* We always need two end-of-buffer characters. The first causes
+ * a transition to the end-of-buffer state. The second causes
+ * a jam in that state.
+ */
+ b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+ b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+ b->yy_buf_pos = &b->yy_ch_buf[0];
+
+ b->yy_at_bol = 1;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ if ( b == YY_CURRENT_BUFFER )
+ yy_load_buffer_state(yyscanner );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ * the current state. This function will allocate the stack
+ * if necessary.
+ * @param new_buffer The new state.
+ * @param yyscanner The scanner object.
+ */
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (new_buffer == NULL)
+ return;
+
+ yyensure_buffer_stack(yyscanner);
+
+ /* This block is copied from yy_switch_to_buffer. */
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ /* Only push if top exists. Otherwise, replace top. */
+ if (YY_CURRENT_BUFFER)
+ yyg->yy_buffer_stack_top++;
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+ /* copied from yy_switch_to_buffer. */
+ yy_load_buffer_state(yyscanner );
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ * The next element becomes the new top.
+ * @param yyscanner The scanner object.
+ */
+void yypop_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (!YY_CURRENT_BUFFER)
+ return;
+
+ yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ if (yyg->yy_buffer_stack_top > 0)
+ --yyg->yy_buffer_stack_top;
+
+ if (YY_CURRENT_BUFFER) {
+ yy_load_buffer_state(yyscanner );
+ yyg->yy_did_buffer_switch_on_eof = 1;
+ }
+}
+
+/* Allocates the stack if it does not exist.
+ * Guarantees space for at least one push.
+ */
+static void yyensure_buffer_stack (yyscan_t yyscanner)
+{
+ int num_to_alloc;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (!yyg->yy_buffer_stack) {
+
+ /* First allocation is just for 2 elements, since we don't know if this
+ * scanner will even need a stack. We use 2 instead of 1 to avoid an
+ * immediate realloc on the next call.
+ */
+ num_to_alloc = 1;
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)yyalloc
+ (num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+
+ memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+
+ yyg->yy_buffer_stack_max = num_to_alloc;
+ yyg->yy_buffer_stack_top = 0;
+ return;
+ }
+
+ if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
+
+ /* Increase the buffer to prepare for a possible push. */
+ int grow_size = 8 /* arbitrary grow size */;
+
+ num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)yyrealloc
+ (yyg->yy_buffer_stack,
+ num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+
+ /* zero only the new slots.*/
+ memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
+ yyg->yy_buffer_stack_max = num_to_alloc;
+ }
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ if ( size < 2 ||
+ base[size-2] != YY_END_OF_BUFFER_CHAR ||
+ base[size-1] != YY_END_OF_BUFFER_CHAR )
+ /* They forgot to leave room for the EOB's. */
+ return 0;
+
+ b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+
+ b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
+ b->yy_buf_pos = b->yy_ch_buf = base;
+ b->yy_is_our_buffer = 0;
+ b->yy_input_file = 0;
+ b->yy_n_chars = b->yy_buf_size;
+ b->yy_is_interactive = 0;
+ b->yy_at_bol = 1;
+ b->yy_fill_buffer = 0;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ yy_switch_to_buffer(b ,yyscanner );
+
+ return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to yylex() will
+ * scan from a @e copy of @a str.
+ * @param str a NUL-terminated string to scan
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ * yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE yy_scan_string (yyconst char * yy_str , yyscan_t yyscanner)
+{
+
+ return yy_scan_bytes(yy_str,strlen(yy_str) ,yyscanner);
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
+ * scan from a @e copy of @a bytes.
+ * @param bytes the byte buffer to scan
+ * @param len the number of bytes in the buffer pointed to by @a bytes.
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_bytes (yyconst char * bytes, int len , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+ char *buf;
+ yy_size_t n;
+ int i;
+
+ /* Get memory for full buffer, including space for trailing EOB's. */
+ n = len + 2;
+ buf = (char *) yyalloc(n ,yyscanner );
+ if ( ! buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+
+ for ( i = 0; i < len; ++i )
+ buf[i] = bytes[i];
+
+ buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+
+ b = yy_scan_buffer(buf,n ,yyscanner);
+ if ( ! b )
+ YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+
+ /* It's okay to grow etc. this buffer, and we should throw it
+ * away when we're done.
+ */
+ b->yy_is_our_buffer = 1;
+
+ return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner)
+{
+ (void)yyscanner;
+ (void) fprintf( stderr, "%s\n", msg );
+ exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ yytext[yyleng] = yyg->yy_hold_char; \
+ yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
+ yyg->yy_hold_char = *yyg->yy_c_buf_p; \
+ *yyg->yy_c_buf_p = '\0'; \
+ yyleng = yyless_macro_arg; \
+ } \
+ while ( 0 )
+
+/* Accessor methods (get/set functions) to struct members. */
+
+/** Get the user-defined data for this scanner.
+ * @param yyscanner The scanner object.
+ */
+YY_EXTRA_TYPE yyget_extra (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyextra;
+}
+
+/** Get the current line number.
+ * @param yyscanner The scanner object.
+ */
+int yyget_lineno (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (! YY_CURRENT_BUFFER)
+ return 0;
+
+ return yylineno;
+}
+
+/** Get the current column number.
+ * @param yyscanner The scanner object.
+ */
+int yyget_column (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (! YY_CURRENT_BUFFER)
+ return 0;
+
+ return yycolumn;
+}
+
+/** Get the input stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *yyget_in (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyin;
+}
+
+/** Get the output stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *yyget_out (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyout;
+}
+
+/** Get the length of the current token.
+ * @param yyscanner The scanner object.
+ */
+int yyget_leng (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyleng;
+}
+
+/** Get the current token.
+ * @param yyscanner The scanner object.
+ */
+
+char *yyget_text (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yytext;
+}
+
+/** Set the user-defined data. This data is never touched by the scanner.
+ * @param user_defined The data to be associated with this scanner.
+ * @param yyscanner The scanner object.
+ */
+void yyset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyextra = user_defined ;
+}
+
+/** Set the current line number.
+ * @param line_number
+ * @param yyscanner The scanner object.
+ */
+void yyset_lineno (int line_number , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* lineno is only valid if an input buffer exists. */
+ if (! YY_CURRENT_BUFFER )
+ yy_fatal_error( "yyset_lineno called with no buffer" , yyscanner);
+
+ yylineno = line_number;
+}
+
+/** Set the current column.
+ * @param line_number
+ * @param yyscanner The scanner object.
+ */
+void yyset_column (int column_no , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* column is only valid if an input buffer exists. */
+ if (! YY_CURRENT_BUFFER )
+ yy_fatal_error( "yyset_column called with no buffer" , yyscanner);
+
+ yycolumn = column_no;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * @param yyscanner The scanner object.
+ * @see yy_switch_to_buffer
+ */
+void yyset_in (FILE * in_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyin = in_str ;
+}
+
+void yyset_out (FILE * out_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyout = out_str ;
+}
+
+int yyget_debug (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yy_flex_debug;
+}
+
+void yyset_debug (int bdebug , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yy_flex_debug = bdebug ;
+}
+
+/* Accessor methods for yylval and yylloc */
+
+static int yy_init_globals (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ /* Initialization is the same as for the non-reentrant scanner.
+ This function is called once per scanner lifetime. */
+
+ yyg->yy_buffer_stack = 0;
+ yyg->yy_buffer_stack_top = 0;
+ yyg->yy_buffer_stack_max = 0;
+ yyg->yy_c_buf_p = (char *) 0;
+ yyg->yy_init = 1;
+ yyg->yy_start = 0;
+ yyg->yy_start_stack_ptr = 0;
+ yyg->yy_start_stack_depth = 0;
+ yyg->yy_start_stack = (int *) 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+ yyin = stdin;
+ yyout = stdout;
+#else
+ yyin = (FILE *) 0;
+ yyout = (FILE *) 0;
+#endif
+
+ /* For future reference: Set errno on error, since we are called by
+ * yylex_init()
+ */
+ return 0;
+}
+
+/* User-visible API */
+
+/* yylex_init is special because it creates the scanner itself, so it is
+ * the ONLY reentrant function that doesn't take the scanner as the last argument.
+ * That's why we explicitly handle the declaration, instead of using our macros.
+ */
+
+int yylex_init(yyscan_t* ptr_yy_globals)
+
+{
+ if (ptr_yy_globals == NULL){
+ errno = EINVAL;
+ return 1;
+ }
+
+ *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), NULL );
+
+ if (*ptr_yy_globals == NULL){
+ errno = ENOMEM;
+ return 1;
+ }
+
+ memset(*ptr_yy_globals,0,sizeof(struct yyguts_t));
+
+ return yy_init_globals ( *ptr_yy_globals );
+}
+
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */
+int yylex_destroy (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* Pop the buffer stack, destroying each element. */
+ while(YY_CURRENT_BUFFER){
+ yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ yypop_buffer_state(yyscanner);
+ }
+
+ /* Destroy the stack itself. */
+ yyfree(yyg->yy_buffer_stack ,yyscanner);
+ yyg->yy_buffer_stack = NULL;
+
+ /* Destroy the start condition stack. */
+ yyfree(yyg->yy_start_stack ,yyscanner );
+ yyg->yy_start_stack = NULL;
+
+ /* Destroy the main struct (reentrant only). */
+ yyfree ( yyscanner , yyscanner );
+ return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)
+{
+ register int i;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ for ( i = 0; i < n; ++i )
+ s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner)
+{
+ register int n;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ for ( n = 0; s[n]; ++n )
+ ;
+
+ return n;
+}
+#endif
+
+void *yyalloc (yy_size_t size , yyscan_t yyscanner)
+{
+ (void)yyscanner;
+ return (void *) malloc( size );
+}
+
+void *yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner)
+{
+ (void)yyscanner;
+ /* The cast to (char *) in the following accommodates both
+ * implementations that use char* generic pointers, and those
+ * that use void* generic pointers. It works with the latter
+ * because both ANSI C and C++ allow castless assignment from
+ * any pointer type to void*, and deal with argument conversions
+ * as though doing an assignment.
+ */
+ return (void *) realloc( (char *) ptr, size );
+}
+
+void yyfree (void * ptr , yyscan_t yyscanner)
+{
+ (void)yyscanner;
+ free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#undef YY_NEW_FILE
+#undef YY_FLUSH_BUFFER
+#undef yy_set_bol
+#undef yy_new_buffer
+#undef yy_set_interactive
+#undef yytext_ptr
+#undef YY_DO_BEFORE_ACTION
+
+#ifdef YY_DECL_IS_OURS
+#undef YY_DECL_IS_OURS
+#undef YY_DECL
+#endif
+#line 156 "cmListFileLexer.l"
+
+
+
+/*--------------------------------------------------------------------------*/
+void cmListFileLexerSetToken(cmListFileLexer* lexer, const char* text,
+ int length)
+{
+ /* Set the token line and column number. */
+ lexer->token.line = lexer->line;
+ lexer->token.column = lexer->column;
+
+ /* Use the same buffer if possible. */
+ if(lexer->token.text)
+ {
+ if(text && length < lexer->size)
+ {
+ strcpy(lexer->token.text, text);
+ lexer->token.length = length;
+ return;
+ }
+ free(lexer->token.text);
+ lexer->token.text = 0;
+ lexer->size = 0;
+ }
+
+ /* Need to extend the buffer. */
+ if(text)
+ {
+ lexer->token.text = strdup(text);
+ lexer->token.length = length;
+ lexer->size = length+1;
+ }
+ else
+ {
+ lexer->token.length = 0;
+ }
+}
+
+/*--------------------------------------------------------------------------*/
+void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text,
+ int length)
+{
+ char* temp;
+ int newSize;
+
+ /* If the appended text will fit in the buffer, do not reallocate. */
+ newSize = lexer->token.length + length + 1;
+ if(lexer->token.text && newSize <= lexer->size)
+ {
+ strcpy(lexer->token.text+lexer->token.length, text);
+ lexer->token.length += length;
+ return;
+ }
+
+ /* We need to extend the buffer. */
+ temp = malloc(newSize);
+ if(lexer->token.text)
+ {
+ memcpy(temp, lexer->token.text, lexer->token.length);
+ free(lexer->token.text);
+ }
+ memcpy(temp+lexer->token.length, text, length);
+ temp[lexer->token.length+length] = 0;
+ lexer->token.text = temp;
+ lexer->token.length += length;
+ lexer->size = newSize;
+}
+
+/*--------------------------------------------------------------------------*/
+cmListFileLexer* cmListFileLexer_New()
+{
+ cmListFileLexer* lexer = (cmListFileLexer*)malloc(sizeof(cmListFileLexer));
+ if(!lexer)
+ {
+ return 0;
+ }
+ memset(lexer, 0, sizeof(*lexer));
+ lexer->line = 1;
+ lexer->column = 1;
+ return lexer;
+}
+
+/*--------------------------------------------------------------------------*/
+void cmListFileLexer_Delete(cmListFileLexer* lexer)
+{
+ cmListFileLexer_SetFileName(lexer, 0);
+ free(lexer);
+}
+
+/*--------------------------------------------------------------------------*/
+int cmListFileLexer_SetFileName(cmListFileLexer* lexer, const char* name)
+{
+ int result = 1;
+ if(lexer->file)
+ {
+ yylex_destroy(lexer->scanner);
+ fclose(lexer->file);
+ lexer->file = 0;
+ }
+ if(name)
+ {
+ lexer->file = fopen(name, "r");
+ if(!lexer->file)
+ {
+ result = 0;
+ }
+ }
+ if(lexer->file)
+ {
+ yylex_init(&lexer->scanner);
+ yyset_in(lexer->file,lexer->scanner);
+ }
+ return result;
+}
+
+/*--------------------------------------------------------------------------*/
+cmListFileLexer_Token* cmListFileLexer_Scan(cmListFileLexer* lexer)
+{
+ if(!lexer->file)
+ {
+ return 0;
+ }
+ if(yylex(lexer->scanner,lexer))
+ {
+ return &lexer->token;
+ }
+ else
+ {
+ cmListFileLexer_SetFileName(lexer, 0);
+ return 0;
+ }
+}
+
+/*--------------------------------------------------------------------------*/
+long cmListFileLexer_GetCurrentLine(cmListFileLexer* lexer)
+{
+ if(lexer->file)
+ {
+ return lexer->line;
+ }
+ else
+ {
+ return 0;
+ }
+}
+
+/*--------------------------------------------------------------------------*/
+long cmListFileLexer_GetCurrentColumn(cmListFileLexer* lexer)
+{
+ if(lexer->file)
+ {
+ return lexer->column;
+ }
+ else
+ {
+ return 0;
+ }
+}
+
diff --git a/Source/cmListFileLexer.h b/Source/cmListFileLexer.h
new file mode 100644
index 0000000000000000000000000000000000000000..dea8b7de737a66d6f08190f2ea65e388c3acf64e
--- /dev/null
+++ b/Source/cmListFileLexer.h
@@ -0,0 +1,60 @@
+/*=========================================================================
+
+ 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.
+
+=========================================================================*/
+#ifndef cmListFileLexer_h
+#define cmListFileLexer_h
+
+typedef enum cmListFileLexer_Type_e
+{
+ cmListFileLexer_Token_None,
+ cmListFileLexer_Token_Newline,
+ cmListFileLexer_Token_Identifier,
+ cmListFileLexer_Token_ParenLeft,
+ cmListFileLexer_Token_ParenRight,
+ cmListFileLexer_Token_ArgumentUnquoted,
+ cmListFileLexer_Token_ArgumentQuoted,
+ cmListFileLexer_Token_Error
+} cmListFileLexer_Type;
+
+typedef struct cmListFileLexer_Token_s cmListFileLexer_Token;
+struct cmListFileLexer_Token_s
+{
+ cmListFileLexer_Type type;
+ char* text;
+ int length;
+ int line;
+ int column;
+};
+
+typedef struct cmListFileLexer_s cmListFileLexer;
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+cmListFileLexer* cmListFileLexer_New();
+int cmListFileLexer_SetFileName(cmListFileLexer*, const char*);
+cmListFileLexer_Token* cmListFileLexer_Scan(cmListFileLexer*);
+long cmListFileLexer_GetCurrentLine(cmListFileLexer*);
+long cmListFileLexer_GetCurrentColumn(cmListFileLexer*);
+void cmListFileLexer_Delete(cmListFileLexer*);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/Source/cmListFileLexer.l b/Source/cmListFileLexer.l
new file mode 100644
index 0000000000000000000000000000000000000000..9f272e0da790f9cce55788afaa2757fbf548e1bb
--- /dev/null
+++ b/Source/cmListFileLexer.l
@@ -0,0 +1,326 @@
+%{
+/*=========================================================================
+
+ 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.
+
+=========================================================================*/
+/*
+
+This file must be translated to C and modified to build everywhere.
+
+Run flex like this:
+
+ flex -ocmListFileLexer.c cmListFileLexer.l
+
+Modify cmListFileLexer.c:
+ - remove TABs
+ - remove the yyunput function
+ - add a statement "(void)yyscanner;" to the top of these methods:
+ yy_fatal_error, yyalloc, yyrealloc, yyfree
+
+*/
+
+/* Disable features we do not need. */
+#define YY_NEVER_INTERACTIVE 1
+#define YY_NO_UNPUT 1
+#define ECHO
+
+/* Setup the proper yylex declaration. */
+#define YY_DECL int yylex (yyscan_t yyscanner, cmListFileLexer* lexer)
+
+/* Disable some warnings. */
+#if defined(_MSC_VER)
+# pragma warning ( disable : 4127 )
+# pragma warning ( disable : 4131 )
+# pragma warning ( disable : 4244 )
+# pragma warning ( disable : 4251 )
+# pragma warning ( disable : 4267 )
+# pragma warning ( disable : 4305 )
+# pragma warning ( disable : 4309 )
+# pragma warning ( disable : 4706 )
+# pragma warning ( disable : 4786 )
+#endif
+
+#include "cmListFileLexer.h"
+
+/*--------------------------------------------------------------------------*/
+struct cmListFileLexer_s
+{
+ cmListFileLexer_Token token;
+ int line;
+ int column;
+ int size;
+ FILE* file;
+ yyscan_t scanner;
+};
+
+static void cmListFileLexerSetToken(cmListFileLexer* lexer, const char* text,
+ int length);
+static void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text,
+ int length);
+
+/*--------------------------------------------------------------------------*/
+%}
+
+%option reentrant
+%option yylineno
+%option noyywrap
+%pointer
+%x STRING
+
+%%
+
+\n {
+ lexer->token.type = cmListFileLexer_Token_Newline;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ ++lexer->line;
+ lexer->column = 1;
+ return 1;
+}
+
+#.* {
+ lexer->column += yyleng;
+}
+
+\( {
+ lexer->token.type = cmListFileLexer_Token_ParenLeft;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+
+\) {
+ lexer->token.type = cmListFileLexer_Token_ParenRight;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+
+[A-Za-z_][A-Za-z0-9_]+ {
+ lexer->token.type = cmListFileLexer_Token_Identifier;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+
+([^ \t\r\n\(\)\"\\]|\\.)+ {
+ lexer->token.type = cmListFileLexer_Token_ArgumentUnquoted;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+
+\" {
+ lexer->token.type = cmListFileLexer_Token_ArgumentQuoted;
+ cmListFileLexerSetToken(lexer, "", 0);
+ lexer->column += yyleng;
+ BEGIN(STRING);
+}
+
+<STRING>([^\\\n\"]|\\(.|\n))+ {
+ cmListFileLexerAppend(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+}
+
+<STRING>\n {
+ cmListFileLexerAppend(lexer, yytext, yyleng);
+ ++lexer->line;
+ lexer->column = 1;
+}
+
+<STRING>\" {
+ lexer->column += yyleng;
+ BEGIN(INITIAL);
+ return 1;
+}
+
+<STRING>. {
+ cmListFileLexerAppend(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+}
+
+[ \t\r] {
+ lexer->column += yyleng;
+}
+
+. {
+ lexer->token.type = cmListFileLexer_Token_Error;
+ cmListFileLexerSetToken(lexer, yytext, yyleng);
+ lexer->column += yyleng;
+ return 1;
+}
+
+<<EOF>> {
+ lexer->token.type = cmListFileLexer_Token_None;
+ cmListFileLexerSetToken(lexer, 0, 0);
+ return 0;
+}
+
+%%
+
+/*--------------------------------------------------------------------------*/
+void cmListFileLexerSetToken(cmListFileLexer* lexer, const char* text,
+ int length)
+{
+ /* Set the token line and column number. */
+ lexer->token.line = lexer->line;
+ lexer->token.column = lexer->column;
+
+ /* Use the same buffer if possible. */
+ if(lexer->token.text)
+ {
+ if(text && length < lexer->size)
+ {
+ strcpy(lexer->token.text, text);
+ lexer->token.length = length;
+ return;
+ }
+ free(lexer->token.text);
+ lexer->token.text = 0;
+ lexer->size = 0;
+ }
+
+ /* Need to extend the buffer. */
+ if(text)
+ {
+ lexer->token.text = strdup(text);
+ lexer->token.length = length;
+ lexer->size = length+1;
+ }
+ else
+ {
+ lexer->token.length = 0;
+ }
+}
+
+/*--------------------------------------------------------------------------*/
+void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text,
+ int length)
+{
+ char* temp;
+ int newSize;
+
+ /* If the appended text will fit in the buffer, do not reallocate. */
+ newSize = lexer->token.length + length + 1;
+ if(lexer->token.text && newSize <= lexer->size)
+ {
+ strcpy(lexer->token.text+lexer->token.length, text);
+ lexer->token.length += length;
+ return;
+ }
+
+ /* We need to extend the buffer. */
+ temp = malloc(newSize);
+ if(lexer->token.text)
+ {
+ memcpy(temp, lexer->token.text, lexer->token.length);
+ free(lexer->token.text);
+ }
+ memcpy(temp+lexer->token.length, text, length);
+ temp[lexer->token.length+length] = 0;
+ lexer->token.text = temp;
+ lexer->token.length += length;
+ lexer->size = newSize;
+}
+
+/*--------------------------------------------------------------------------*/
+cmListFileLexer* cmListFileLexer_New()
+{
+ cmListFileLexer* lexer = (cmListFileLexer*)malloc(sizeof(cmListFileLexer));
+ if(!lexer)
+ {
+ return 0;
+ }
+ memset(lexer, 0, sizeof(*lexer));
+ lexer->line = 1;
+ lexer->column = 1;
+ return lexer;
+}
+
+/*--------------------------------------------------------------------------*/
+void cmListFileLexer_Delete(cmListFileLexer* lexer)
+{
+ cmListFileLexer_SetFileName(lexer, 0);
+ free(lexer);
+}
+
+/*--------------------------------------------------------------------------*/
+int cmListFileLexer_SetFileName(cmListFileLexer* lexer, const char* name)
+{
+ int result = 1;
+ if(lexer->file)
+ {
+ yylex_destroy(lexer->scanner);
+ fclose(lexer->file);
+ lexer->file = 0;
+ }
+ if(name)
+ {
+ lexer->file = fopen(name, "r");
+ if(!lexer->file)
+ {
+ result = 0;
+ }
+ }
+ if(lexer->file)
+ {
+ yylex_init(&lexer->scanner);
+ yyset_in(lexer->file, lexer->scanner);
+ }
+ return result;
+}
+
+/*--------------------------------------------------------------------------*/
+cmListFileLexer_Token* cmListFileLexer_Scan(cmListFileLexer* lexer)
+{
+ if(!lexer->file)
+ {
+ return 0;
+ }
+ if(yylex(lexer->scanner, lexer))
+ {
+ return &lexer->token;
+ }
+ else
+ {
+ cmListFileLexer_SetFileName(lexer, 0);
+ return 0;
+ }
+}
+
+/*--------------------------------------------------------------------------*/
+long cmListFileLexer_GetCurrentLine(cmListFileLexer* lexer)
+{
+ if(lexer->file)
+ {
+ return lexer->line;
+ }
+ else
+ {
+ return 0;
+ }
+}
+
+/*--------------------------------------------------------------------------*/
+long cmListFileLexer_GetCurrentColumn(cmListFileLexer* lexer)
+{
+ if(lexer->file)
+ {
+ return lexer->column;
+ }
+ else
+ {
+ return 0;
+ }
+}