summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAndy Cedilnik <andy.cedilnik@kitware.com>2005-10-17 20:42:47 (GMT)
committerAndy Cedilnik <andy.cedilnik@kitware.com>2005-10-17 20:42:47 (GMT)
commit985d092d4d9f6d38c794755c3c64405ef7ec8d35 (patch)
tree382b35ed4376ba936acb4f160dd4fc5b76173dc6
parent427ed70363ad4aea83e071f46d9704f69472017d (diff)
downloadCMake-985d092d4d9f6d38c794755c3c64405ef7ec8d35.zip
CMake-985d092d4d9f6d38c794755c3c64405ef7ec8d35.tar.gz
CMake-985d092d4d9f6d38c794755c3c64405ef7ec8d35.tar.bz2
ENH: Add rudamentary mathematical expression support
-rw-r--r--Source/CMakeLists.txt18
-rw-r--r--Source/cmCommands.cxx2
-rw-r--r--Source/cmExprLexer.cxx1954
-rw-r--r--Source/cmExprLexer.h316
-rw-r--r--Source/cmExprLexer.in.l104
-rw-r--r--Source/cmExprParser.cxx1428
-rw-r--r--Source/cmExprParser.y171
-rw-r--r--Source/cmExprParserHelper.cxx133
-rw-r--r--Source/cmExprParserHelper.h79
-rw-r--r--Source/cmExprParserTokens.h76
-rw-r--r--Source/cmMathCommand.cxx65
-rw-r--r--Source/cmMathCommand.h80
-rw-r--r--Source/cmStringCommand.cxx2
13 files changed, 4425 insertions, 3 deletions
diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 970d11b..db9035d 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -21,6 +21,7 @@ OPTION(CMAKE_REGENERATE_YACCLEX
"Regenerate YACC and LEXX files" OFF)
MARK_AS_ADVANCED(CMAKE_REGENERATE_YACCLEX)
IF(CMAKE_REGENERATE_YACCLEX)
+ SET(parsersLexers cmCommandArgument cmExpr)
FIND_PROGRAM(YACC_EXECUTABLE
NAMES yacc bison
PATHS /usr/bin
@@ -36,7 +37,7 @@ IF(CMAKE_REGENERATE_YACCLEX)
SET(BISON_FLAGS "--yacc")
ENDIF(YACC_EXECUTABLE MATCHES "bison")
SET(yacc_files)
- FOREACH(name cmCommandArgument)
+ FOREACH(name ${parsersLexers})
SET(src "${CMAKE_CURRENT_SOURCE_DIR}/${name}Parser.y")
SET(dst "${CMAKE_CURRENT_BINARY_DIR}/${name}Parser.cxx")
SET(hdr "${CMAKE_CURRENT_BINARY_DIR}/${name}ParserTokens.h")
@@ -51,7 +52,7 @@ IF(CMAKE_REGENERATE_YACCLEX)
ENDIF(YACC_EXECUTABLE)
IF(FLEX_EXECUTABLE)
SET(lex_files)
- FOREACH(name cmCommandArgument)
+ FOREACH(name ${parsersLexers})
SET(src "${CMAKE_CURRENT_SOURCE_DIR}/${name}Lexer.in.l")
SET(dst "${CMAKE_CURRENT_BINARY_DIR}/${name}Lexer.cxx")
SET(hdr "${CMAKE_CURRENT_BINARY_DIR}/${name}Lexer.h")
@@ -98,6 +99,9 @@ SET(SRCS
cmDocumentation.cxx
cmDynamicLoader.cxx
cmDynamicLoader.h
+ cmExprLexer.cxx
+ cmExprParser.cxx
+ cmExprParserHelper.cxx
cmGeneratedFileStream.cxx
cmGlob.cxx
cmGlobalGenerator.cxx
@@ -346,6 +350,16 @@ IF(BUILD_TESTING)
--build-makeprogram ${MAKEPROGRAM}
--test-command StringFileTest)
+ ADD_TEST(MathTest ${CMAKE_CTEST_COMMAND}
+ --build-and-test
+ "${CMake_SOURCE_DIR}/Tests/MathTest"
+ "${CMake_BINARY_DIR}/Tests/MathTest"
+ --build-two-config
+ --build-generator ${CMAKE_GENERATOR}
+ --build-project MathTest
+ --build-makeprogram ${MAKEPROGRAM}
+ --test-command MathTestExec)
+
ADD_TEST(TryCompile ${CMAKE_CTEST_COMMAND}
--build-and-test
"${CMake_SOURCE_DIR}/Tests/TryCompile"
diff --git a/Source/cmCommands.cxx b/Source/cmCommands.cxx
index 3d1f306..ec989d4 100644
--- a/Source/cmCommands.cxx
+++ b/Source/cmCommands.cxx
@@ -27,6 +27,7 @@
#include "cmIncludeExternalMSProjectCommand.cxx"
#include "cmLinkLibrariesCommand.cxx"
#include "cmLoadCacheCommand.cxx"
+#include "cmMathCommand.cxx"
#include "cmOutputRequiredFilesCommand.cxx"
#include "cmRemoveCommand.cxx"
#include "cmSetDirectoryPropertiesCommand.cxx"
@@ -68,6 +69,7 @@ void GetPredefinedCommands(std::list<cmCommand*>&
commands.push_back(new cmLinkLibrariesCommand);
commands.push_back(new cmLoadCacheCommand);
commands.push_back(new cmLoadCommandCommand);
+ commands.push_back(new cmMathCommand);
commands.push_back(new cmOutputRequiredFilesCommand);
commands.push_back(new cmRemoveCommand);
commands.push_back(new cmSetDirectoryPropertiesCommand);
diff --git a/Source/cmExprLexer.cxx b/Source/cmExprLexer.cxx
new file mode 100644
index 0000000..a039ccc
--- /dev/null
+++ b/Source/cmExprLexer.cxx
@@ -0,0 +1,1954 @@
+#line 2 "/home/andy/vtk/CMake-bin/Source/cmExprLexer.cxx"
+
+#line 4 "/home/andy/vtk/CMake-bin/Source/cmExprLexer.cxx"
+
+#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 cmExpr_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 cmExpr_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
+
+ #define YY_LESS_LINENO(n)
+
+/* 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 )
+
+/* 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 cmExpr_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 cmExpr_yyrestart (FILE *input_file ,yyscan_t yyscanner );
+void cmExpr_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+YY_BUFFER_STATE cmExpr_yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
+void cmExpr_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void cmExpr_yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void cmExpr_yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+void cmExpr_yypop_buffer_state (yyscan_t yyscanner );
+
+static void cmExpr_yyensure_buffer_stack (yyscan_t yyscanner );
+static void cmExpr_yy_load_buffer_state (yyscan_t yyscanner );
+static void cmExpr_yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
+
+#define YY_FLUSH_BUFFER cmExpr_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
+
+YY_BUFFER_STATE cmExpr_yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
+YY_BUFFER_STATE cmExpr_yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
+YY_BUFFER_STATE cmExpr_yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
+
+void *cmExpr_yyalloc (yy_size_t ,yyscan_t yyscanner );
+void *cmExpr_yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );
+void cmExpr_yyfree (void * ,yyscan_t yyscanner );
+
+#define yy_new_buffer cmExpr_yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){ \
+ cmExpr_yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ cmExpr_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 ){\
+ cmExpr_yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ cmExpr_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 cmExpr_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 15
+#define YY_END_OF_BUFFER 16
+/* 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[23] =
+ { 0,
+ 0, 0, 16, 15, 6, 8, 13, 14, 4, 2,
+ 3, 5, 1, 15, 15, 9, 7, 10, 1, 11,
+ 12, 0
+ } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+ { 0,
+ 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, 2, 3, 1, 4,
+ 5, 6, 7, 1, 8, 1, 9, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 1, 1, 11,
+ 1, 12, 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, 13, 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, 14, 1, 15, 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[16] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1
+ } ;
+
+static yyconst flex_int16_t yy_base[23] =
+ { 0,
+ 0, 0, 20, 21, 21, 21, 21, 21, 21, 21,
+ 21, 21, 9, 7, 5, 21, 21, 21, 6, 21,
+ 21, 21
+ } ;
+
+static yyconst flex_int16_t yy_def[23] =
+ { 0,
+ 22, 1, 22, 22, 22, 22, 22, 22, 22, 22,
+ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+ 22, 0
+ } ;
+
+static yyconst flex_int16_t yy_nxt[37] =
+ { 0,
+ 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 21, 20, 19, 22,
+ 3, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+ 22, 22, 22, 22, 22, 22
+ } ;
+
+static yyconst flex_int16_t yy_chk[37] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 19, 15, 14, 13, 3,
+ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22,
+ 22, 22, 22, 22, 22, 22
+ } ;
+
+/* 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 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+#line 2 "/home/andy/vtk/CMake/Source/cmExprLexer.in.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.
+
+=========================================================================*/
+/*
+
+This file must be translated to C and modified to build everywhere.
+
+Run flex like this:
+
+ flex --prefix=cmExpr_yy --header-file=cmExprLexer.h -ocmExprLexer.cxx cmExprLexer.in.l
+
+Modify cmExprLexer.cxx:
+ - remove TABs
+ - remove "yyscanner" argument from these methods:
+ yy_fatal_error, cmExpr_yyalloc, cmExpr_yyrealloc, cmExpr_yyfree
+ - remove all YY_BREAK lines occurring right after return statements
+ - change while ( 1 ) to for(;;)
+
+Modify cmExprLexer.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 "cmExprParserHelper.h"
+
+/* 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
+
+/* Disable features we do not need. */
+#define YY_NEVER_INTERACTIVE 1
+#undef ECHO /* SGI termios defines this differently. */
+#define ECHO
+
+/* 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 "cmExprParserTokens.h"
+
+
+#if defined( _WIN32 ) && !defined( __CYGWIN__ )
+/* Handle Windows properly */
+# include <io.h>
+# if defined( _MSC_VER )
+# define isatty _isatty
+# endif
+# define YY_NO_UNISTD_H 1
+#endif
+
+/*--------------------------------------------------------------------------*/
+#line 518 "/home/andy/vtk/CMake-bin/Source/cmExprLexer.cxx"
+
+#define INITIAL 0
+
+#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 cmExpr_yylex_destroy (yyscan_t yyscanner );
+
+int cmExpr_yyget_debug (yyscan_t yyscanner );
+
+void cmExpr_yyset_debug (int debug_flag ,yyscan_t yyscanner );
+
+YY_EXTRA_TYPE cmExpr_yyget_extra (yyscan_t yyscanner );
+
+void cmExpr_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
+
+FILE *cmExpr_yyget_in (yyscan_t yyscanner );
+
+void cmExpr_yyset_in (FILE * in_str ,yyscan_t yyscanner );
+
+FILE *cmExpr_yyget_out (yyscan_t yyscanner );
+
+void cmExpr_yyset_out (FILE * out_str ,yyscan_t yyscanner );
+
+int cmExpr_yyget_leng (yyscan_t yyscanner );
+
+char *cmExpr_yyget_text (yyscan_t yyscanner );
+
+int cmExpr_yyget_lineno (yyscan_t yyscanner );
+
+void cmExpr_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 cmExpr_yywrap (yyscan_t yyscanner );
+#else
+extern int cmExpr_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 cmExpr_yylex (yyscan_t yyscanner);
+
+#define YY_DECL int cmExpr_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 86 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+
+
+#line 736 "/home/andy/vtk/CMake-bin/Source/cmExprLexer.cxx"
+
+ 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 ) {
+ cmExpr_yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ cmExpr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ cmExpr_yy_load_buffer_state(yyscanner );
+ }
+
+ for(;;) /* 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 >= 23 )
+ 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] != 21 );
+
+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;
+
+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:
+YY_RULE_SETUP
+#line 88 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ yylvalp->Number = atoi(yytext); return exp_NUMBER; }
+case 2:
+YY_RULE_SETUP
+#line 90 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_PLUS; }
+case 3:
+YY_RULE_SETUP
+#line 91 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_MINUS; }
+case 4:
+YY_RULE_SETUP
+#line 92 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_TIMES; }
+case 5:
+YY_RULE_SETUP
+#line 93 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_DIVIDE; }
+case 6:
+YY_RULE_SETUP
+#line 94 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_MOD; }
+case 7:
+YY_RULE_SETUP
+#line 95 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_OR; }
+case 8:
+YY_RULE_SETUP
+#line 96 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_AND; }
+case 9:
+YY_RULE_SETUP
+#line 97 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_XOR; }
+case 10:
+YY_RULE_SETUP
+#line 98 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_NOT; }
+case 11:
+YY_RULE_SETUP
+#line 99 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_SHIFTLEFT; }
+case 12:
+YY_RULE_SETUP
+#line 100 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_SHIFTRIGHT; }
+case 13:
+YY_RULE_SETUP
+#line 101 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_OPENPARENT; }
+case 14:
+YY_RULE_SETUP
+#line 102 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+{ return exp_CLOSEPARENT; }
+case 15:
+YY_RULE_SETUP
+#line 104 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+ECHO;
+ YY_BREAK
+#line 894 "/home/andy/vtk/CMake-bin/Source/cmExprLexer.cxx"
+case YY_STATE_EOF(INITIAL):
+ yyterminate();
+
+ 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
+ * cmExpr_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 ( cmExpr_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 cmExpr_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. */
+ cmExpr_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;
+ cmExpr_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 >= 23 )
+ 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 >= 23 )
+ 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 == 22);
+
+ 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. */
+ cmExpr_yyrestart(yyin ,yyscanner);
+
+ /*FALLTHROUGH*/
+
+ case EOB_ACT_END_OF_FILE:
+ {
+ if ( cmExpr_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;
+
+ 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 cmExpr_yyrestart (FILE * input_file , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! YY_CURRENT_BUFFER ){
+ cmExpr_yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ cmExpr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ cmExpr_yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
+ cmExpr_yy_load_buffer_state(yyscanner );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * @param yyscanner The scanner object.
+ */
+ void cmExpr_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
+ * cmExpr_yypop_buffer_state();
+ * cmExpr_yypush_buffer_state(new_buffer);
+ */
+ cmExpr_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;
+ cmExpr_yy_load_buffer_state(yyscanner );
+
+ /* We don't actually know whether we did this switch during
+ * EOF (cmExpr_yywrap()) processing, but the only time this flag
+ * is looked at is after cmExpr_yywrap() is called, so it's safe
+ * to go ahead and always set it.
+ */
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+static void cmExpr_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 cmExpr_yy_create_buffer (FILE * file, int size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ b = (YY_BUFFER_STATE) cmExpr_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in cmExpr_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 *) cmExpr_yyalloc(b->yy_buf_size + 2 ,yyscanner );
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in cmExpr_yy_create_buffer()" );
+
+ b->yy_is_our_buffer = 1;
+
+ cmExpr_yy_init_buffer(b,file ,yyscanner);
+
+ return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with cmExpr_yy_create_buffer()
+ * @param yyscanner The scanner object.
+ */
+ void cmExpr_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 )
+ cmExpr_yyfree((void *) b->yy_ch_buf ,yyscanner );
+
+ cmExpr_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 cmExpr_yyrestart() or at EOF.
+ */
+ static void cmExpr_yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner)
+
+{
+ int oerrno = errno;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ cmExpr_yy_flush_buffer(b ,yyscanner);
+
+ b->yy_input_file = file;
+ b->yy_fill_buffer = 1;
+
+ /* If b is the current buffer, then cmExpr_yy_init_buffer was _probably_
+ * called from cmExpr_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 cmExpr_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 )
+ cmExpr_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 cmExpr_yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (new_buffer == NULL)
+ return;
+
+ cmExpr_yyensure_buffer_stack(yyscanner);
+
+ /* This block is copied from cmExpr_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 cmExpr_yy_switch_to_buffer. */
+ cmExpr_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 cmExpr_yypop_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (!YY_CURRENT_BUFFER)
+ return;
+
+ cmExpr_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) {
+ cmExpr_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 cmExpr_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**)cmExpr_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**)cmExpr_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 cmExpr_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) cmExpr_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in cmExpr_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;
+
+ cmExpr_yy_switch_to_buffer(b ,yyscanner );
+
+ return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to cmExpr_yylex() will
+ * scan from a @e copy of @a str.
+ * @param str a NUL-terminated string to scan
+ * @param yy_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
+ * cmExpr_yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE cmExpr_yy_scan_string (yyconst char * yy_str , yyscan_t yyscanner)
+{
+
+ return cmExpr_yy_scan_bytes(yy_str,strlen(yy_str) ,yyscanner);
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to cmExpr_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 cmExpr_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 *) cmExpr_yyalloc(n ,yyscanner );
+ if ( ! buf )
+ YY_FATAL_ERROR( "out of dynamic memory in cmExpr_yy_scan_bytes()" );
+
+ for ( i = 0; i < len; ++i )
+ buf[i] = bytes[i];
+
+ buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+
+ b = cmExpr_yy_scan_buffer(buf,n ,yyscanner);
+ if ( ! b )
+ YY_FATAL_ERROR( "bad buffer in cmExpr_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)
+{
+ (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 cmExpr_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 cmExpr_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 cmExpr_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 *cmExpr_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 *cmExpr_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 cmExpr_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 *cmExpr_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 cmExpr_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 cmExpr_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( "cmExpr_yyset_lineno called with no buffer" , yyscanner);
+
+ yylineno = line_number;
+}
+
+/** Set the current column.
+ * @param line_number
+ * @param yyscanner The scanner object.
+ */
+void cmExpr_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( "cmExpr_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 cmExpr_yy_switch_to_buffer
+ */
+void cmExpr_yyset_in (FILE * in_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyin = in_str ;
+}
+
+void cmExpr_yyset_out (FILE * out_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyout = out_str ;
+}
+
+int cmExpr_yyget_debug (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yy_flex_debug;
+}
+
+void cmExpr_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
+ * cmExpr_yylex_init()
+ */
+ return 0;
+}
+
+/* User-visible API */
+
+/* cmExpr_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 cmExpr_yylex_init(yyscan_t* ptr_yy_globals)
+
+{
+ if (ptr_yy_globals == NULL){
+ errno = EINVAL;
+ return 1;
+ }
+
+ *ptr_yy_globals = (yyscan_t) cmExpr_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 );
+}
+
+/* cmExpr_yylex_destroy is for both reentrant and non-reentrant scanners. */
+int cmExpr_yylex_destroy (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* Pop the buffer stack, destroying each element. */
+ while(YY_CURRENT_BUFFER){
+ cmExpr_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ cmExpr_yypop_buffer_state(yyscanner);
+ }
+
+ /* Destroy the stack itself. */
+ cmExpr_yyfree(yyg->yy_buffer_stack ,yyscanner);
+ yyg->yy_buffer_stack = NULL;
+
+ /* Destroy the start condition stack. */
+ cmExpr_yyfree(yyg->yy_start_stack ,yyscanner );
+ yyg->yy_start_stack = NULL;
+
+ /* Destroy the main struct (reentrant only). */
+ cmExpr_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 *cmExpr_yyalloc (yy_size_t size , yyscan_t)
+{
+ return (void *) malloc( size );
+}
+
+void *cmExpr_yyrealloc (void * ptr, yy_size_t size , yyscan_t)
+{
+ /* 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 cmExpr_yyfree (void * ptr , yyscan_t)
+{
+ free( (char *) ptr ); /* see cmExpr_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 104 "/home/andy/vtk/CMake/Source/cmExprLexer.in.l"
+
+
+
diff --git a/Source/cmExprLexer.h b/Source/cmExprLexer.h
new file mode 100644
index 0000000..ce20bfd
--- /dev/null
+++ b/Source/cmExprLexer.h
@@ -0,0 +1,316 @@
+#ifndef cmExpr_yyHEADER_H
+#define cmExpr_yyHEADER_H 1
+#define cmExpr_yyIN_HEADER 1
+
+
+
+
+
+#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
+
+/* 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 cmExpr_yylex_init (yyscan_t* scanner);
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+/* 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;
+
+ };
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+void cmExpr_yyrestart (FILE *input_file ,yyscan_t yyscanner );
+void cmExpr_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+YY_BUFFER_STATE cmExpr_yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
+void cmExpr_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void cmExpr_yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void cmExpr_yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+void cmExpr_yypop_buffer_state (yyscan_t yyscanner );
+
+YY_BUFFER_STATE cmExpr_yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
+YY_BUFFER_STATE cmExpr_yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
+YY_BUFFER_STATE cmExpr_yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
+
+void *cmExpr_yyalloc (yy_size_t ,yyscan_t yyscanner );
+void *cmExpr_yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );
+void cmExpr_yyfree (void * ,yyscan_t yyscanner );
+
+/* Begin user sect3 */
+
+#define cmExpr_yywrap(n) 1
+#define YY_SKIP_YYWRAP
+
+#define yytext_ptr yytext_r
+
+#ifdef YY_HEADER_EXPORT_START_CONDITIONS
+#define INITIAL 0
+
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+/* Accessor methods to globals.
+ These are made visible to non-reentrant scanners for convenience. */
+
+int cmExpr_yylex_destroy (yyscan_t yyscanner );
+
+int cmExpr_yyget_debug (yyscan_t yyscanner );
+
+void cmExpr_yyset_debug (int debug_flag ,yyscan_t yyscanner );
+
+YY_EXTRA_TYPE cmExpr_yyget_extra (yyscan_t yyscanner );
+
+void cmExpr_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
+
+FILE *cmExpr_yyget_in (yyscan_t yyscanner );
+
+void cmExpr_yyset_in (FILE * in_str ,yyscan_t yyscanner );
+
+FILE *cmExpr_yyget_out (yyscan_t yyscanner );
+
+void cmExpr_yyset_out (FILE * out_str ,yyscan_t yyscanner );
+
+int cmExpr_yyget_leng (yyscan_t yyscanner );
+
+char *cmExpr_yyget_text (yyscan_t yyscanner );
+
+int cmExpr_yyget_lineno (yyscan_t yyscanner );
+
+void cmExpr_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 cmExpr_yywrap (yyscan_t yyscanner );
+#else
+extern int cmExpr_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
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* 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 cmExpr_yylex (yyscan_t yyscanner);
+
+#define YY_DECL int cmExpr_yylex (yyscan_t yyscanner)
+#endif /* !YY_DECL */
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+#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
+
+
+
+
+#undef cmExpr_yyIN_HEADER
+#endif /* cmExpr_yyHEADER_H */
diff --git a/Source/cmExprLexer.in.l b/Source/cmExprLexer.in.l
new file mode 100644
index 0000000..7e6b6cd
--- /dev/null
+++ b/Source/cmExprLexer.in.l
@@ -0,0 +1,104 @@
+%{
+/*=========================================================================
+
+ 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 --prefix=cmExpr_yy --header-file=cmExprLexer.h -ocmExprLexer.cxx cmExprLexer.in.l
+
+Modify cmExprLexer.cxx:
+ - remove TABs
+ - remove "yyscanner" argument from these methods:
+ yy_fatal_error, yyalloc, yyrealloc, yyfree
+ - remove all YY_BREAK lines occurring right after return statements
+ - change while ( 1 ) to for(;;)
+
+Modify cmExprLexer.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 "cmExprParserHelper.h"
+
+/* 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
+
+/* Disable features we do not need. */
+#define YY_NEVER_INTERACTIVE 1
+#undef ECHO /* SGI termios defines this differently. */
+#define ECHO
+
+/* 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 "cmExprParserTokens.h"
+
+
+#if defined( _WIN32 ) && !defined( __CYGWIN__ )
+/* Handle Windows properly */
+# include <io.h>
+# if defined( _MSC_VER )
+# define isatty _isatty
+# endif
+# define YY_NO_UNISTD_H 1
+#endif
+
+/*--------------------------------------------------------------------------*/
+%}
+
+%option reentrant
+%option noyywrap
+%pointer
+
+%%
+
+[0-9][0-9]* { yylvalp->Number = atoi(yytext); return exp_NUMBER; }
+
+"+" { return exp_PLUS; }
+"-" { return exp_MINUS; }
+"*" { return exp_TIMES; }
+"/" { return exp_DIVIDE; }
+"%" { return exp_MOD; }
+"\|" { return exp_OR; }
+"&" { return exp_AND; }
+"^" { return exp_XOR; }
+"~" { return exp_NOT; }
+"<<" { return exp_SHIFTLEFT; }
+">>" { return exp_SHIFTRIGHT; }
+"(" { return exp_OPENPARENT; }
+")" { return exp_CLOSEPARENT; }
+
+%%
diff --git a/Source/cmExprParser.cxx b/Source/cmExprParser.cxx
new file mode 100644
index 0000000..00b9c5e
--- /dev/null
+++ b/Source/cmExprParser.cxx
@@ -0,0 +1,1428 @@
+/* A Bison parser, made by GNU Bison 1.875d. */
+
+/* Skeleton parser for Yacc-like parsing with Bison,
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* As a special exception, when this file is copied by Bison into a
+ Bison output file, you may use that output file without restriction.
+ This special exception was added by the Free Software Foundation
+ in version 1.24 of Bison. */
+
+/* Written by Richard Stallman by simplifying the original so called
+ ``semantic'' parser. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Skeleton name. */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers. */
+#define YYPURE 1
+
+/* Using locations. */
+#define YYLSP_NEEDED 0
+
+/* If NAME_PREFIX is specified substitute the variables and functions
+ names. */
+#define yyparse cmExpr_yyparse
+#define yylex cmExpr_yylex
+#define yyerror cmExpr_yyerror
+#define yylval cmExpr_yylval
+#define yychar cmExpr_yychar
+#define yydebug cmExpr_yydebug
+#define yynerrs cmExpr_yynerrs
+
+
+/* Tokens. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ /* Put the tokens into the symbol table, so that GDB and other debuggers
+ know about them. */
+ enum yytokentype {
+ exp_PLUS = 258,
+ exp_MINUS = 259,
+ exp_TIMES = 260,
+ exp_DIVIDE = 261,
+ exp_MOD = 262,
+ exp_SHIFTLEFT = 263,
+ exp_SHIFTRIGHT = 264,
+ exp_OPENPARENT = 265,
+ exp_CLOSEPARENT = 266,
+ exp_OR = 267,
+ exp_AND = 268,
+ exp_XOR = 269,
+ exp_NOT = 270,
+ exp_NUMBER = 271
+ };
+#endif
+#define exp_PLUS 258
+#define exp_MINUS 259
+#define exp_TIMES 260
+#define exp_DIVIDE 261
+#define exp_MOD 262
+#define exp_SHIFTLEFT 263
+#define exp_SHIFTRIGHT 264
+#define exp_OPENPARENT 265
+#define exp_CLOSEPARENT 266
+#define exp_OR 267
+#define exp_AND 268
+#define exp_XOR 269
+#define exp_NOT 270
+#define exp_NUMBER 271
+
+
+
+
+/* Copy the first part of user declarations. */
+#line 1 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+
+/*=========================================================================
+
+ 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 bison like this:
+
+ bison --yacc --name-prefix=cmExpr_yy --defines=cmExprParserTokens.h -ocmExprParser.cxx cmExprParser.y
+
+Modify cmExprParser.cxx:
+ - remove TABs
+ - add __HP_aCC to the #if test for yyerrorlab warning suppression
+
+*/
+
+/* Configure the parser to use a lexer object. */
+#define YYPARSE_PARAM yyscanner
+#define YYLEX_PARAM yyscanner
+#define YYERROR_VERBOSE 1
+#define cmExpr_yyerror(x) \
+ cmExprError(yyscanner, x)
+#define yyGetParser (cmExpr_yyget_extra(yyscanner))
+
+/*-------------------------------------------------------------------------*/
+#include "cmExprParserHelper.h" /* Interface to parser object. */
+#include "cmExprLexer.h" /* Interface to lexer object. */
+#include "cmExprParserTokens.h" /* Need YYSTYPE for YY_DECL. */
+
+#include <math.h>
+
+/* Forward declare the lexer entry point. */
+YY_DECL;
+
+/* Internal utility functions. */
+static void cmExprError(yyscan_t yyscanner, const char* message);
+
+#define YYDEBUG 1
+//#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. */
+#endif
+#ifdef _MSC_VER
+# pragma warning (disable: 4102) /* Unused goto label. */
+# pragma warning (disable: 4065) /* Switch statement contains default but no case. */
+#endif
+
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
+typedef int YYSTYPE;
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+
+
+/* Copy the second part of user declarations. */
+
+
+/* Line 214 of yacc.c. */
+#line 195 "/home/andy/vtk/CMake-bin/Source/cmExprParser.cxx"
+
+#if ! defined (yyoverflow) || YYERROR_VERBOSE
+
+# ifndef YYFREE
+# define YYFREE free
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# endif
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# ifdef YYSTACK_USE_ALLOCA
+# if YYSTACK_USE_ALLOCA
+# define YYSTACK_ALLOC alloca
+# endif
+# else
+# if defined (alloca) || defined (_ALLOCA_H)
+# define YYSTACK_ALLOC alloca
+# else
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# else
+# if defined (__STDC__) || defined (__cplusplus)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+# define YYSTACK_ALLOC YYMALLOC
+# define YYSTACK_FREE YYFREE
+# endif
+#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+
+
+#if (! defined (yyoverflow) \
+ && (! defined (__cplusplus) \
+ || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ short int yyss;
+ YYSTYPE yyvs;
+ };
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (short int) + sizeof (YYSTYPE)) \
+ + YYSTACK_GAP_MAXIMUM)
+
+/* Copy COUNT objects from FROM to TO. The source and destination do
+ not overlap. */
+# ifndef YYCOPY
+# if defined (__GNUC__) && 1 < __GNUC__
+# define YYCOPY(To, From, Count) \
+ __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+# else
+# define YYCOPY(To, From, Count) \
+ do \
+ { \
+ register YYSIZE_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (To)[yyi] = (From)[yyi]; \
+ } \
+ while (0)
+# endif
+# endif
+
+/* Relocate STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ YYCOPY (&yyptr->Stack, Stack, yysize); \
+ Stack = &yyptr->Stack; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (0)
+
+#endif
+
+#if defined (__STDC__) || defined (__cplusplus)
+ typedef signed char yysigned_char;
+#else
+ typedef short int yysigned_char;
+#endif
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 12
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 25
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 17
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 9
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 20
+/* YYNRULES -- Number of states. */
+#define YYNSTATES 34
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 271
+
+#define YYTRANSLATE(YYX) \
+ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
+static const unsigned char yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
+ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+ YYRHS. */
+static const unsigned char yyprhs[] =
+{
+ 0, 0, 3, 5, 7, 11, 13, 17, 19, 23,
+ 25, 29, 33, 35, 39, 43, 47, 49, 53, 57,
+ 59
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yysigned_char yyrhs[] =
+{
+ 18, 0, -1, 19, -1, 20, -1, 19, 12, 20,
+ -1, 21, -1, 20, 14, 21, -1, 22, -1, 21,
+ 13, 22, -1, 23, -1, 22, 3, 23, -1, 22,
+ 4, 23, -1, 24, -1, 23, 5, 24, -1, 23,
+ 6, 24, -1, 23, 7, 24, -1, 25, -1, 24,
+ 8, 25, -1, 24, 9, 25, -1, 16, -1, 10,
+ 19, 11, -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const unsigned char yyrline[] =
+{
+ 0, 94, 94, 100, 103, 107, 110, 114, 117, 121,
+ 124, 127, 131, 134, 137, 140, 144, 147, 150, 155,
+ 158
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE
+/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "$end", "error", "$undefined", "exp_PLUS", "exp_MINUS", "exp_TIMES",
+ "exp_DIVIDE", "exp_MOD", "exp_SHIFTLEFT", "exp_SHIFTRIGHT",
+ "exp_OPENPARENT", "exp_CLOSEPARENT", "exp_OR", "exp_AND", "exp_XOR",
+ "exp_NOT", "exp_NUMBER", "$accept", "Start", "exp", "bitwiseor",
+ "bitwisexor", "bitwiseand", "term", "factor", "shift", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+ token YYLEX-NUM. */
+static const unsigned short int yytoknum[] =
+{
+ 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
+ 265, 266, 267, 268, 269, 270, 271
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const unsigned char yyr1[] =
+{
+ 0, 17, 18, 19, 19, 20, 20, 21, 21, 22,
+ 22, 22, 23, 23, 23, 23, 24, 24, 24, 25,
+ 25
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const unsigned char yyr2[] =
+{
+ 0, 2, 1, 1, 3, 1, 3, 1, 3, 1,
+ 3, 3, 1, 3, 3, 3, 1, 3, 3, 1,
+ 3
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+ STATE-NUM when YYTABLE doesn't specify something else to do. Zero
+ means the default is an error. */
+static const unsigned char yydefact[] =
+{
+ 0, 0, 19, 0, 2, 3, 5, 7, 9, 12,
+ 16, 0, 1, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 20, 4, 6, 8, 10, 11, 13,
+ 14, 15, 17, 18
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yysigned_char yydefgoto[] =
+{
+ -1, 3, 4, 5, 6, 7, 8, 9, 10
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+#define YYPACT_NINF -12
+static const yysigned_char yypact[] =
+{
+ -10, -10, -12, 18, 7, 6, 8, 1, -4, 2,
+ -12, 3, -12, -10, -10, -10, -10, -10, -10, -10,
+ -10, -10, -10, -12, 6, 8, 1, -4, -4, 2,
+ 2, 2, -12, -12
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const yysigned_char yypgoto[] =
+{
+ -12, -12, 21, 10, 11, 9, 0, -11, -9
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule which
+ number is the opposite. If zero, do what YYDEFACT says.
+ If YYTABLE_NINF, syntax error. */
+#define YYTABLE_NINF -1
+static const unsigned char yytable[] =
+{
+ 1, 18, 19, 20, 16, 17, 2, 29, 30, 31,
+ 21, 22, 32, 33, 23, 13, 27, 28, 12, 13,
+ 14, 15, 11, 24, 26, 25
+};
+
+static const unsigned char yycheck[] =
+{
+ 10, 5, 6, 7, 3, 4, 16, 18, 19, 20,
+ 8, 9, 21, 22, 11, 12, 16, 17, 0, 12,
+ 14, 13, 1, 13, 15, 14
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const unsigned char yystos[] =
+{
+ 0, 10, 16, 18, 19, 20, 21, 22, 23, 24,
+ 25, 19, 0, 12, 14, 13, 3, 4, 5, 6,
+ 7, 8, 9, 11, 20, 21, 22, 23, 23, 24,
+ 24, 24, 25, 25
+};
+
+#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
+# define YYSIZE_T __SIZE_TYPE__
+#endif
+#if ! defined (YYSIZE_T) && defined (size_t)
+# define YYSIZE_T size_t
+#endif
+#if ! defined (YYSIZE_T)
+# if defined (__STDC__) || defined (__cplusplus)
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+#endif
+#if ! defined (YYSIZE_T)
+# define YYSIZE_T unsigned int
+#endif
+
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+#define YYEMPTY (-2)
+#define YYEOF 0
+
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrorlab
+
+
+/* Like YYERROR except do call yyerror. This remains here temporarily
+ to ease the transition to the new meaning of YYERROR, for GCC.
+ Once GCC version 2 has supplanted version 1, this can go. */
+
+#define YYFAIL goto yyerrlab
+
+#define YYRECOVERING() (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value) \
+do \
+ if (yychar == YYEMPTY && yylen == 1) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ yytoken = YYTRANSLATE (yychar); \
+ YYPOPSTACK; \
+ goto yybackup; \
+ } \
+ else \
+ { \
+ yyerror ("syntax error: cannot back up");\
+ YYERROR; \
+ } \
+while (0)
+
+#define YYTERROR 1
+#define YYERRCODE 256
+
+/* YYLLOC_DEFAULT -- Compute the default location (before the actions
+ are run). */
+
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ ((Current).first_line = (Rhs)[1].first_line, \
+ (Current).first_column = (Rhs)[1].first_column, \
+ (Current).last_line = (Rhs)[N].last_line, \
+ (Current).last_column = (Rhs)[N].last_column)
+#endif
+
+/* YYLEX -- calling `yylex' with the right arguments. */
+
+#ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, YYLEX_PARAM)
+#else
+# define YYLEX yylex (&yylval)
+#endif
+
+/* Enable debugging if requested. */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (0)
+
+# define YYDSYMPRINT(Args) \
+do { \
+ if (yydebug) \
+ yysymprint Args; \
+} while (0)
+
+# define YYDSYMPRINTF(Title, Token, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yysymprint (stderr, \
+ Token, Value); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (0)
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included). |
+`------------------------------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yy_stack_print (short int *bottom, short int *top)
+#else
+static void
+yy_stack_print (bottom, top)
+ short int *bottom;
+ short int *top;
+#endif
+{
+ YYFPRINTF (stderr, "Stack now");
+ for (/* Nothing. */; bottom <= top; ++bottom)
+ YYFPRINTF (stderr, " %d", *bottom);
+ YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
+} while (0)
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yy_reduce_print (int yyrule)
+#else
+static void
+yy_reduce_print (yyrule)
+ int yyrule;
+#endif
+{
+ int yyi;
+ unsigned int yylno = yyrline[yyrule];
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
+ yyrule - 1, yylno);
+ /* Print the symbols being reduced, and their result. */
+ for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
+ YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
+ YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
+}
+
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
+ yy_reduce_print (Rule); \
+} while (0)
+
+/* Nonzero means print parse trace. It is left uninitialized so that
+ multiple parsers can coexist. */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YYDSYMPRINT(Args)
+# define YYDSYMPRINTF(Title, Token, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks. */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
+
+ Do not make this value too large; the results are undefined if
+ SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
+
+#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0
+# undef YYMAXDEPTH
+#endif
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+# if defined (__GLIBC__) && defined (_STRING_H)
+# define yystrlen strlen
+# else
+/* Return the length of YYSTR. */
+static YYSIZE_T
+# if defined (__STDC__) || defined (__cplusplus)
+yystrlen (const char *yystr)
+# else
+yystrlen (yystr)
+ const char *yystr;
+# endif
+{
+ register const char *yys = yystr;
+
+ while (*yys++ != '\0')
+ continue;
+
+ return yys - yystr - 1;
+}
+# endif
+# endif
+
+# ifndef yystpcpy
+# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
+# define yystpcpy stpcpy
+# else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+ YYDEST. */
+static char *
+# if defined (__STDC__) || defined (__cplusplus)
+yystpcpy (char *yydest, const char *yysrc)
+# else
+yystpcpy (yydest, yysrc)
+ char *yydest;
+ const char *yysrc;
+# endif
+{
+ register char *yyd = yydest;
+ register const char *yys = yysrc;
+
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
+
+ return yyd - 1;
+}
+# endif
+# endif
+
+#endif /* !YYERROR_VERBOSE */
+
+
+
+#if YYDEBUG
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep)
+#else
+static void
+yysymprint (yyoutput, yytype, yyvaluep)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE *yyvaluep;
+#endif
+{
+ /* Pacify ``unused variable'' warnings. */
+ (void) yyvaluep;
+
+ if (yytype < YYNTOKENS)
+ {
+ YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+# ifdef YYPRINT
+ YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# endif
+ }
+ else
+ YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+ switch (yytype)
+ {
+ default:
+ break;
+ }
+ YYFPRINTF (yyoutput, ")");
+}
+
+#endif /* ! YYDEBUG */
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yydestruct (int yytype, YYSTYPE *yyvaluep)
+#else
+static void
+yydestruct (yytype, yyvaluep)
+ int yytype;
+ YYSTYPE *yyvaluep;
+#endif
+{
+ /* Pacify ``unused variable'' warnings. */
+ (void) yyvaluep;
+
+ switch (yytype)
+ {
+
+ default:
+ break;
+ }
+}
+
+
+/* Prevent warnings from -Wmissing-prototypes. */
+
+#ifdef YYPARSE_PARAM
+# if defined (__STDC__) || defined (__cplusplus)
+int yyparse (void *YYPARSE_PARAM);
+# else
+int yyparse ();
+# endif
+#else /* ! YYPARSE_PARAM */
+#if defined (__STDC__) || defined (__cplusplus)
+int yyparse (void);
+#else
+int yyparse ();
+#endif
+#endif /* ! YYPARSE_PARAM */
+
+
+
+
+
+
+/*----------.
+| yyparse. |
+`----------*/
+
+#ifdef YYPARSE_PARAM
+# if defined (__STDC__) || defined (__cplusplus)
+int yyparse (void *YYPARSE_PARAM)
+# else
+int yyparse (YYPARSE_PARAM)
+ void *YYPARSE_PARAM;
+# endif
+#else /* ! YYPARSE_PARAM */
+#if defined (__STDC__) || defined (__cplusplus)
+int
+yyparse (void)
+#else
+int
+yyparse ()
+
+#endif
+#endif
+{
+ /* The lookahead symbol. */
+int yychar;
+
+/* The semantic value of the lookahead symbol. */
+YYSTYPE yylval;
+
+/* Number of syntax errors so far. */
+int yynerrs;
+
+ register int yystate;
+ register int yyn;
+ int yyresult;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus;
+ /* Lookahead token as an internal (translated) token number. */
+ int yytoken = 0;
+
+ /* Three stacks and their tools:
+ `yyss': related to states,
+ `yyvs': related to semantic values,
+ `yyls': related to locations.
+
+ Refer to the stacks thru separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* The state stack. */
+ short int yyssa[YYINITDEPTH];
+ short int *yyss = yyssa;
+ register short int *yyssp;
+
+ /* The semantic value stack. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs = yyvsa;
+ register YYSTYPE *yyvsp;
+
+
+
+#define YYPOPSTACK (yyvsp--, yyssp--)
+
+ YYSIZE_T yystacksize = YYINITDEPTH;
+
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+
+
+ /* When reducing, the number of symbols on the RHS of the reduced
+ rule. */
+ int yylen;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ yystate = 0;
+ yyerrstatus = 0;
+ yynerrs = 0;
+ yychar = YYEMPTY; /* Cause a token to be read. */
+
+ /* Initialize stack pointers.
+ Waste one element of value and location stack
+ so that they stay on the same level as the state stack.
+ The wasted elements are never initialized. */
+
+ yyssp = yyss;
+ yyvsp = yyvs;
+
+
+ goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+ yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. so pushing a state here evens the stacks.
+ */
+ yyssp++;
+
+ yysetstate:
+ *yyssp = yystate;
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ {
+ /* Get the current used size of the three stacks, in elements. */
+ YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+ {
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ short int *yyss1 = yyss;
+
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
+ yyoverflow ("parser stack overflow",
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+
+ &yystacksize);
+
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+ goto yyoverflowlab;
+# else
+ /* Extend the stack our own way. */
+ if (YYMAXDEPTH <= yystacksize)
+ goto yyoverflowlab;
+ yystacksize *= 2;
+ if (YYMAXDEPTH < yystacksize)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ short int *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyoverflowlab;
+ YYSTACK_RELOCATE (yyss);
+ YYSTACK_RELOCATE (yyvs);
+
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
+#endif /* no yyoverflow */
+
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+
+
+ YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ YYABORT;
+ }
+
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+ goto yybackup;
+
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
+
+/* Do appropriate processing given the current state. */
+/* Read a lookahead token if we need one and don't already have one. */
+/* yyresume: */
+
+ /* First try to decide what to do without reference to lookahead token. */
+
+ yyn = yypact[yystate];
+ if (yyn == YYPACT_NINF)
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
+ if (yychar == YYEMPTY)
+ {
+ YYDPRINTF ((stderr, "Reading a token: "));
+ yychar = YYLEX;
+ }
+
+ if (yychar <= YYEOF)
+ {
+ yychar = yytoken = YYEOF;
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
+ }
+ else
+ {
+ yytoken = YYTRANSLATE (yychar);
+ YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
+ }
+
+ /* If the proper action on seeing token YYTOKEN is to reduce or to
+ detect an error, take that action. */
+ yyn += yytoken;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+ goto yydefault;
+ yyn = yytable[yyn];
+ if (yyn <= 0)
+ {
+ if (yyn == 0 || yyn == YYTABLE_NINF)
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+ /* Shift the lookahead token. */
+ YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
+
+ /* Discard the token being shifted unless it is eof. */
+ if (yychar != YYEOF)
+ yychar = YYEMPTY;
+
+ *++yyvsp = yylval;
+
+
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+ goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction. |
+`-----------------------------*/
+yyreduce:
+ /* yyn is the number of a rule to reduce with. */
+ yylen = yyr2[yyn];
+
+ /* If YYLEN is nonzero, implement the default value of the action:
+ `$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to garbage.
+ This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+
+ YY_REDUCE_PRINT (yyn);
+ switch (yyn)
+ {
+ case 2:
+#line 95 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {
+ yyGetParser->SetResult(yyvsp[0].Number);
+}
+ break;
+
+ case 3:
+#line 101 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[0].Number;}
+ break;
+
+ case 4:
+#line 104 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number | yyvsp[0].Number;}
+ break;
+
+ case 5:
+#line 108 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[0].Number;}
+ break;
+
+ case 6:
+#line 111 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number ^ yyvsp[0].Number;}
+ break;
+
+ case 7:
+#line 115 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[0].Number;}
+ break;
+
+ case 8:
+#line 118 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number & yyvsp[0].Number;}
+ break;
+
+ case 9:
+#line 122 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[0].Number;}
+ break;
+
+ case 10:
+#line 125 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number + yyvsp[0].Number;}
+ break;
+
+ case 11:
+#line 128 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number - yyvsp[0].Number;}
+ break;
+
+ case 12:
+#line 132 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[0].Number;}
+ break;
+
+ case 13:
+#line 135 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number * yyvsp[0].Number;}
+ break;
+
+ case 14:
+#line 138 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number / yyvsp[0].Number;}
+ break;
+
+ case 15:
+#line 141 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number % yyvsp[0].Number;}
+ break;
+
+ case 16:
+#line 145 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[0].Number;}
+ break;
+
+ case 17:
+#line 148 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number << yyvsp[0].Number;}
+ break;
+
+ case 18:
+#line 151 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-2].Number >> yyvsp[0].Number;}
+ break;
+
+ case 19:
+#line 156 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[0].Number;}
+ break;
+
+ case 20:
+#line 159 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+ {yyval.Number = yyvsp[-1].Number;}
+ break;
+
+
+ }
+
+/* Line 1010 of yacc.c. */
+#line 1194 "/home/andy/vtk/CMake-bin/Source/cmExprParser.cxx"
+
+ yyvsp -= yylen;
+ yyssp -= yylen;
+
+
+ YY_STACK_PRINT (yyss, yyssp);
+
+ *++yyvsp = yyval;
+
+
+ /* Now `shift' the result of the reduction. Determine what state
+ that goes to, based on the state we popped back to and the rule
+ number reduced by. */
+
+ yyn = yyr1[yyn];
+
+ yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+ if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yytable[yystate];
+ else
+ yystate = yydefgoto[yyn - YYNTOKENS];
+
+ goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
+ {
+ ++yynerrs;
+#if YYERROR_VERBOSE
+ yyn = yypact[yystate];
+
+ if (YYPACT_NINF < yyn && yyn < YYLAST)
+ {
+ YYSIZE_T yysize = 0;
+ int yytype = YYTRANSLATE (yychar);
+ const char* yyprefix;
+ char *yymsg;
+ int yyx;
+
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yycount = 0;
+
+ yyprefix = ", expecting ";
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]);
+ yycount += 1;
+ if (yycount == 5)
+ {
+ yysize = 0;
+ break;
+ }
+ }
+ yysize += (sizeof ("syntax error, unexpected ")
+ + yystrlen (yytname[yytype]));
+ yymsg = (char *) YYSTACK_ALLOC (yysize);
+ if (yymsg != 0)
+ {
+ char *yyp = yystpcpy (yymsg, "syntax error, unexpected ");
+ yyp = yystpcpy (yyp, yytname[yytype]);
+
+ if (yycount < 5)
+ {
+ yyprefix = ", expecting ";
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ yyp = yystpcpy (yyp, yyprefix);
+ yyp = yystpcpy (yyp, yytname[yyx]);
+ yyprefix = " or ";
+ }
+ }
+ yyerror (yymsg);
+ YYSTACK_FREE (yymsg);
+ }
+ else
+ yyerror ("syntax error; also virtual memory exhausted");
+ }
+ else
+#endif /* YYERROR_VERBOSE */
+ yyerror ("syntax error");
+ }
+
+
+
+ if (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
+
+ if (yychar <= YYEOF)
+ {
+ /* If at end of input, pop the error token,
+ then the rest of the stack, then return failure. */
+ if (yychar == YYEOF)
+ for (;;)
+ {
+ YYPOPSTACK;
+ if (yyssp == yyss)
+ YYABORT;
+ YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
+ yydestruct (yystos[*yyssp], yyvsp);
+ }
+ }
+ else
+ {
+ YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
+ yydestruct (yytoken, &yylval);
+ yychar = YYEMPTY;
+
+ }
+ }
+
+ /* Else will try to reuse lookahead token after shifting the error
+ token. */
+ goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
+
+#if defined( __GNUC__ ) || defined(__HP_aCC)
+ /* Pacify GCC when the user code never invokes YYERROR and the label
+ yyerrorlab therefore never appears in user code. */
+ if (0)
+ goto yyerrorlab;
+#endif
+
+ yyvsp -= yylen;
+ yyssp -= yylen;
+ yystate = *yyssp;
+ goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
+
+ for (;;)
+ {
+ yyn = yypact[yystate];
+ if (yyn != YYPACT_NINF)
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
+
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
+
+ YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
+ yydestruct (yystos[yystate], yyvsp);
+ YYPOPSTACK;
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
+ }
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+ YYDPRINTF ((stderr, "Shifting error token, "));
+
+ *++yyvsp = yylval;
+
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturn;
+
+#ifndef yyoverflow
+/*----------------------------------------------.
+| yyoverflowlab -- parser overflow comes here. |
+`----------------------------------------------*/
+yyoverflowlab:
+ yyerror ("parser stack overflow");
+ yyresult = 2;
+ /* Fall through. */
+#endif
+
+yyreturn:
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+ return yyresult;
+}
+
+
+#line 163 "/home/andy/vtk/CMake/Source/cmExprParser.y"
+
+/* End of grammar */
+
+/*--------------------------------------------------------------------------*/
+void cmExprError(yyscan_t yyscanner, const char* message)
+{
+ yyGetParser->Error(message);
+}
+
+
diff --git a/Source/cmExprParser.y b/Source/cmExprParser.y
new file mode 100644
index 0000000..485972c
--- /dev/null
+++ b/Source/cmExprParser.y
@@ -0,0 +1,171 @@
+%{
+/*=========================================================================
+
+ 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 bison like this:
+
+ bison --yacc --name-prefix=cmExpr_yy --defines=cmExprParserTokens.h -ocmExprParser.cxx cmExprParser.y
+
+Modify cmExprParser.cxx:
+ - remove TABs
+ - add __HP_aCC to the #if test for yyerrorlab warning suppression
+
+*/
+
+/* Configure the parser to use a lexer object. */
+#define YYPARSE_PARAM yyscanner
+#define YYLEX_PARAM yyscanner
+#define YYERROR_VERBOSE 1
+#define cmExpr_yyerror(x) \
+ cmExprError(yyscanner, x)
+#define yyGetParser (cmExpr_yyget_extra(yyscanner))
+
+/*-------------------------------------------------------------------------*/
+#include "cmExprParserHelper.h" /* Interface to parser object. */
+#include "cmExprLexer.h" /* Interface to lexer object. */
+#include "cmExprParserTokens.h" /* Need YYSTYPE for YY_DECL. */
+
+#include <math.h>
+
+/* Forward declare the lexer entry point. */
+YY_DECL;
+
+/* Internal utility functions. */
+static void cmExprError(yyscan_t yyscanner, const char* message);
+
+#define YYDEBUG 1
+//#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. */
+#endif
+#ifdef _MSC_VER
+# pragma warning (disable: 4102) /* Unused goto label. */
+# pragma warning (disable: 4065) /* Switch statement contains default but no case. */
+#endif
+%}
+
+/* Generate a reentrant parser object. */
+%pure_parser
+
+/*-------------------------------------------------------------------------*/
+/* Tokens */
+%token exp_PLUS
+%token exp_MINUS
+%token exp_TIMES
+%token exp_DIVIDE
+%token exp_MOD
+%token exp_SHIFTLEFT
+%token exp_SHIFTRIGHT
+%token exp_OPENPARENT
+%token exp_CLOSEPARENT
+%token exp_OR;
+%token exp_AND;
+%token exp_XOR;
+%token exp_NOT;
+%token exp_NUMBER;
+
+/*-------------------------------------------------------------------------*/
+/* grammar */
+%%
+
+
+Start:
+exp
+{
+ yyGetParser->SetResult($<Number>1);
+}
+
+exp:
+bitwiseor
+{$<Number>$ = $<Number>1;}
+|
+exp exp_OR bitwiseor
+{$<Number>$ = $<Number>1 | $<Number>3;}
+
+bitwiseor:
+bitwisexor
+{$<Number>$ = $<Number>1;}
+|
+bitwiseor exp_XOR bitwisexor
+{$<Number>$ = $<Number>1 ^ $<Number>3;}
+
+bitwisexor:
+bitwiseand
+{$<Number>$ = $<Number>1;}
+|
+bitwisexor exp_AND bitwiseand
+{$<Number>$ = $<Number>1 & $<Number>3;}
+
+bitwiseand:
+term
+{$<Number>$ = $<Number>1;}
+|
+bitwiseand exp_PLUS term
+{$<Number>$ = $<Number>1 + $<Number>3;}
+|
+bitwiseand exp_MINUS term
+{$<Number>$ = $<Number>1 - $<Number>3;}
+
+term:
+factor
+{$<Number>$ = $<Number>1;}
+|
+term exp_TIMES factor
+{$<Number>$ = $<Number>1 * $<Number>3;}
+|
+term exp_DIVIDE factor
+{$<Number>$ = $<Number>1 / $<Number>3;}
+|
+term exp_MOD factor
+{$<Number>$ = $<Number>1 % $<Number>3;}
+
+factor:
+shift
+{$<Number>$ = $<Number>1;}
+|
+factor exp_SHIFTLEFT shift
+{$<Number>$ = $<Number>1 << $<Number>3;}
+|
+factor exp_SHIFTRIGHT shift
+{$<Number>$ = $<Number>1 >> $<Number>3;}
+
+
+shift:
+exp_NUMBER
+{$<Number>$ = $<Number>1;}
+|
+exp_OPENPARENT exp exp_CLOSEPARENT
+{$<Number>$ = $<Number>2;}
+;
+
+
+%%
+/* End of grammar */
+
+/*--------------------------------------------------------------------------*/
+void cmExprError(yyscan_t yyscanner, const char* message)
+{
+ yyGetParser->Error(message);
+}
+
diff --git a/Source/cmExprParserHelper.cxx b/Source/cmExprParserHelper.cxx
new file mode 100644
index 0000000..2a70bb6
--- /dev/null
+++ b/Source/cmExprParserHelper.cxx
@@ -0,0 +1,133 @@
+/*=========================================================================
+
+ 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.
+
+=========================================================================*/
+#include "cmExprParserHelper.h"
+
+#include "cmSystemTools.h"
+#include "cmExprLexer.h"
+
+#include "cmMakefile.h"
+
+int cmExpr_yyparse( yyscan_t yyscanner );
+//
+cmExprParserHelper::cmExprParserHelper()
+{
+ m_FileLine = -1;
+ m_FileName = 0;
+}
+
+
+cmExprParserHelper::~cmExprParserHelper()
+{
+ this->CleanupParser();
+}
+
+void cmExprParserHelper::SetLineFile(long line, const char* file)
+{
+ m_FileLine = line;
+ m_FileName = file;
+}
+
+int cmExprParserHelper::ParseString(const char* str, int verb)
+{
+ if ( !str)
+ {
+ return 0;
+ }
+ //printf("Do some parsing: %s\n", str);
+
+ this->Verbose = verb;
+ this->InputBuffer = str;
+ this->InputBufferPos = 0;
+ this->CurrentLine = 0;
+
+ m_Result = 0;
+
+ yyscan_t yyscanner;
+ cmExpr_yylex_init(&yyscanner);
+ cmExpr_yyset_extra(this, yyscanner);
+ int res = cmExpr_yyparse(yyscanner);
+ cmExpr_yylex_destroy(yyscanner);
+ if ( res != 0 )
+ {
+ //str << "CAL_Parser returned: " << res << std::endl;
+ //std::cerr << "When parsing: [" << str << "]" << std::endl;
+ return 0;
+ }
+
+ this->CleanupParser();
+
+ if ( Verbose )
+ {
+ std::cerr << "Expanding [" << str << "] produced: [" << m_Result << "]" << std::endl;
+ }
+ return 1;
+}
+
+void cmExprParserHelper::CleanupParser()
+{
+}
+
+int cmExprParserHelper::LexInput(char* buf, int maxlen)
+{
+ //std::cout << "JPLexInput ";
+ //std::cout.write(buf, maxlen);
+ //std::cout << std::endl;
+ if ( maxlen < 1 )
+ {
+ return 0;
+ }
+ if ( this->InputBufferPos < this->InputBuffer.size() )
+ {
+ buf[0] = this->InputBuffer[ this->InputBufferPos++ ];
+ if ( buf[0] == '\n' )
+ {
+ this->CurrentLine ++;
+ }
+ return(1);
+ }
+ else
+ {
+ buf[0] = '\n';
+ return( 0 );
+ }
+}
+
+void cmExprParserHelper::Error(const char* str)
+{
+ unsigned long pos = static_cast<unsigned long>(this->InputBufferPos);
+ //fprintf(stderr, "Argument Parser Error: %s (%lu / Line: %d)\n", str, pos, this->CurrentLine);
+ cmOStringStream ostr;
+ ostr << str << " (" << pos << ")";
+ /*
+ int cc;
+ std::cerr << "String: [";
+ for ( cc = 0; cc < 30 && *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
+ cc ++ )
+ {
+ std::cerr << *(this->InputBuffer.c_str() + this->InputBufferPos + cc);
+ }
+ std::cerr << "]" << std::endl;
+ */
+ m_Error = ostr.str();
+}
+
+void cmExprParserHelper::SetResult(int value)
+{
+ m_Result = value;
+}
+
+
diff --git a/Source/cmExprParserHelper.h b/Source/cmExprParserHelper.h
new file mode 100644
index 0000000..5fd2c3d
--- /dev/null
+++ b/Source/cmExprParserHelper.h
@@ -0,0 +1,79 @@
+/*=========================================================================
+
+ 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 cmExprParserHelper_h
+#define cmExprParserHelper_h
+
+#include "cmStandardIncludes.h"
+
+#define YYSTYPE cmExprParserHelper::ParserType
+#define YYSTYPE_IS_DECLARED
+#define YY_EXTRA_TYPE cmExprParserHelper*
+#define YY_DECL int cmExpr_yylex(YYSTYPE* yylvalp, yyscan_t yyscanner)
+
+/** \class cmExprParserHelper
+ * \brief Helper class for parsing java source files
+ *
+ * Finds dependencies for java file and list of outputs
+ */
+
+class cmMakefile;
+
+class cmExprParserHelper
+{
+public:
+ typedef struct {
+ int Number;
+ } ParserType;
+
+ cmExprParserHelper();
+ ~cmExprParserHelper();
+
+ int ParseString(const char* str, int verb);
+
+ int LexInput(char* buf, int maxlen);
+ void Error(const char* str);
+
+ void SetResult(int value);
+
+ int GetResult() { return m_Result; }
+
+ void SetLineFile(long line, const char* file);
+
+ const char* GetError() { return m_Error.c_str(); }
+
+private:
+ cmStdString::size_type InputBufferPos;
+ cmStdString InputBuffer;
+ std::vector<char> OutputBuffer;
+ int CurrentLine;
+ int UnionsAvailable;
+ int Verbose;
+
+ void Print(const char* place, const char* str);
+
+ void CleanupParser();
+
+ int m_Result;
+ const char* m_FileName;
+ long m_FileLine;
+ std::string m_Error;
+};
+
+#endif
+
+
+
diff --git a/Source/cmExprParserTokens.h b/Source/cmExprParserTokens.h
new file mode 100644
index 0000000..f76e537
--- /dev/null
+++ b/Source/cmExprParserTokens.h
@@ -0,0 +1,76 @@
+/* A Bison parser, made by GNU Bison 1.875d. */
+
+/* Skeleton parser for Yacc-like parsing with Bison,
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* As a special exception, when this file is copied by Bison into a
+ Bison output file, you may use that output file without restriction.
+ This special exception was added by the Free Software Foundation
+ in version 1.24 of Bison. */
+
+/* Tokens. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ /* Put the tokens into the symbol table, so that GDB and other debuggers
+ know about them. */
+ enum yytokentype {
+ exp_PLUS = 258,
+ exp_MINUS = 259,
+ exp_TIMES = 260,
+ exp_DIVIDE = 261,
+ exp_MOD = 262,
+ exp_SHIFTLEFT = 263,
+ exp_SHIFTRIGHT = 264,
+ exp_OPENPARENT = 265,
+ exp_CLOSEPARENT = 266,
+ exp_OR = 267,
+ exp_AND = 268,
+ exp_XOR = 269,
+ exp_NOT = 270,
+ exp_NUMBER = 271
+ };
+#endif
+#define exp_PLUS 258
+#define exp_MINUS 259
+#define exp_TIMES 260
+#define exp_DIVIDE 261
+#define exp_MOD 262
+#define exp_SHIFTLEFT 263
+#define exp_SHIFTRIGHT 264
+#define exp_OPENPARENT 265
+#define exp_CLOSEPARENT 266
+#define exp_OR 267
+#define exp_AND 268
+#define exp_XOR 269
+#define exp_NOT 270
+#define exp_NUMBER 271
+
+
+
+
+#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
+typedef int YYSTYPE;
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+
+
+
+
diff --git a/Source/cmMathCommand.cxx b/Source/cmMathCommand.cxx
new file mode 100644
index 0000000..bbb3edc
--- /dev/null
+++ b/Source/cmMathCommand.cxx
@@ -0,0 +1,65 @@
+/*=========================================================================
+
+ 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.
+
+=========================================================================*/
+#include "cmMathCommand.h"
+
+#include "cmExprParserHelper.h"
+
+//----------------------------------------------------------------------------
+bool cmMathCommand::InitialPass(std::vector<std::string> const& args)
+{
+ if ( args.size() < 1 )
+ {
+ this->SetError("must be called with at least one argument.");
+ return false;
+ }
+ const std::string &subCommand = args[0];
+ if(subCommand == "EXPR")
+ {
+ return this->HandleExprCommand(args);
+ }
+ std::string e = "does not recognize sub-command "+subCommand;
+ this->SetError(e.c_str());
+ return false;
+}
+
+//----------------------------------------------------------------------------
+bool cmMathCommand::HandleExprCommand(std::vector<std::string> const& args)
+{
+ if ( args.size() != 3 )
+ {
+ this->SetError("EXPR called with incorrect arguments.");
+ return false;
+ }
+
+ const std::string& outputVariable = args[1];
+ const std::string& expression = args[2];
+
+ cmExprParserHelper helper;
+ if ( !helper.ParseString(expression.c_str(), 0) )
+ {
+ std::string e = "cannot parse the expression: \""+expression+"\": ";
+ e += helper.GetError();
+ this->SetError(e.c_str());
+ return false;
+ }
+
+ char buffer[1024];
+ sprintf(buffer, "%d", helper.GetResult());
+
+ m_Makefile->AddDefinition(outputVariable.c_str(), buffer);
+ return true;
+}
diff --git a/Source/cmMathCommand.h b/Source/cmMathCommand.h
new file mode 100644
index 0000000..ddebac5
--- /dev/null
+++ b/Source/cmMathCommand.h
@@ -0,0 +1,80 @@
+/*=========================================================================
+
+ 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 cmMathCommand_h
+#define cmMathCommand_h
+
+#include "cmCommand.h"
+
+/** \class cmMathCommand
+ * \brief Common string operations
+ *
+ */
+class cmMathCommand : public cmCommand
+{
+public:
+ /**
+ * This is a virtual constructor for the command.
+ */
+ virtual cmCommand* Clone()
+ {
+ return new cmMathCommand;
+ }
+
+ /**
+ * This is called when the command is first encountered in
+ * the CMakeLists.txt file.
+ */
+ virtual bool InitialPass(std::vector<std::string> const& args);
+
+ /**
+ * This determines if the command is invoked when in script mode.
+ */
+ virtual bool IsScriptable() { return true; }
+
+ /**
+ * The name of the command as specified in CMakeList.txt.
+ */
+ virtual const char* GetName() { return "MATH";}
+
+ /**
+ * Succinct documentation.
+ */
+ virtual const char* GetTerseDocumentation()
+ {
+ return "Mathematical expressions.";
+ }
+
+ /**
+ * More documentation.
+ */
+ virtual const char* GetFullDocumentation()
+ {
+ return
+ " MATH(EXPR <output variable> <math expression>)\n"
+ "EXPR evaluates mathematical expression and return result in the "
+ "output variable. Example mathematical expression is '5 * ( 10 + 13 )'.";
+ }
+
+ cmTypeMacro(cmMathCommand, cmCommand);
+protected:
+
+ bool HandleExprCommand(std::vector<std::string> const& args);
+};
+
+
+#endif
+
diff --git a/Source/cmStringCommand.cxx b/Source/cmStringCommand.cxx
index d7b6a91..d0063c8 100644
--- a/Source/cmStringCommand.cxx
+++ b/Source/cmStringCommand.cxx
@@ -29,7 +29,7 @@ bool cmStringCommand::InitialPass(std::vector<std::string> const& args)
return false;
}
- std::string subCommand = args[0];
+ const std::string &subCommand = args[0];
if(subCommand == "REGEX")
{
return this->HandleRegexCommand(args);