Regenerate lexer source code

Revise the manual procedure in the `*Lexer.in.l` files.  Some of our
post-processing steps are no longer necessary with the current set of
supported compilers.  Some steps changed with newer versions of flex.

Then regenerate all lexers with flex version 2.6.1.

1 files changed, 101 insertions, 92 deletions

diff --git a/Source/cmExprLexer.h b/Source/cmExprLexer.h
index efe6440..835a7a3 100644
--- a/Source/cmExprLexer.h
+++ b/Source/cmExprLexer.h
@@ -1,21 +1,20 @@
-/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-   file Copyright.txt or https://cmake.org/licensing for details.  */
 #ifndef cmExpr_yyHEADER_H
 #define cmExpr_yyHEADER_H 1
 #define cmExpr_yyIN_HEADER 1
 
+#line 6 "cmExprLexer.h"
 
+#line 8 "cmExprLexer.h"
 
-
-
+#define FLEXINT_H 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
+#define YY_FLEX_MINOR_VERSION 6
+#define YY_FLEX_SUBMINOR_VERSION 1
 #if YY_FLEX_SUBMINOR_VERSION > 0
 #define FLEX_BETA
 #endif
@@ -37,7 +36,15 @@
 
 /* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
 
-#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types.
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
 #include <inttypes.h>
 typedef int8_t flex_int8_t;
 typedef uint8_t flex_uint8_t;
@@ -52,7 +59,6 @@ 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
@@ -83,26 +89,17 @@ typedef unsigned int flex_uint32_t;
 #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 /* ! C99 */
 
-#endif  /* __STDC__ */
-#endif  /* ! __cplusplus */
+#endif /* ! FLEXINT_H */
 
-#ifdef YY_USE_CONST
+/* TODO: this is always defined, so inline it */
 #define yyconst const
+
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define yynoreturn __attribute__((__noreturn__))
 #else
-#define yyconst
+#define yynoreturn
 #endif
 
 /* An opaque pointer. */
@@ -122,91 +119,91 @@ typedef void* yyscan_t;
 #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);
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
+#define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
+#endif
 
 #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;
+typedef size_t 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;
+	{
+	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.
+	 */
+	int 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;
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
 
-  int yy_buffer_status;
+	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_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_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 );
+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 );
@@ -214,7 +211,7 @@ void cmExpr_yyfree (void * ,yyscan_t yyscanner );
 
 /* Begin user sect3 */
 
-#define cmExpr_yywrap(n) 1
+#define cmExpr_yywrap(yyscanner) (/*CONSTCOND*/1)
 #define YY_SKIP_YYWRAP
 
 #define yytext_ptr yytext_r
@@ -228,6 +225,10 @@ void cmExpr_yyfree (void * ,yyscan_t yyscanner );
 #define YY_EXTRA_TYPE void *
 #endif
 
+int cmExpr_yylex_init (yyscan_t* scanner);
+
+int cmExpr_yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
+
 /* Accessor methods to globals.
    These are made visible to non-reentrant scanners for convenience. */
 
@@ -243,19 +244,23 @@ 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 );
+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 );
+void cmExpr_yyset_out  (FILE * _out_str ,yyscan_t yyscanner );
 
-int cmExpr_yyget_leng (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 );
+void cmExpr_yyset_lineno (int _line_number ,yyscan_t yyscanner );
+
+int cmExpr_yyget_column  (yyscan_t yyscanner );
+
+void cmExpr_yyset_column (int _column_no ,yyscan_t yyscanner );
 
 /* Macros after this point can all be overridden by user definitions in
  * section 1.
@@ -283,7 +288,12 @@ static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
 
 /* Amount of stuff to slurp up with each read. */
 #ifndef YY_READ_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
 #define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
 #endif
 
 /* Number of entries by which start-condition stack grows. */
@@ -302,15 +312,13 @@ 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 */
+/* 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
@@ -318,8 +326,9 @@ extern int cmExpr_yylex (yyscan_t yyscanner);
 #undef YY_DECL
 #endif
 
+#line 57 "cmExprLexer.in.l"
 
 
-
+#line 333 "cmExprLexer.h"
 #undef cmExpr_yyIN_HEADER
 #endif /* cmExpr_yyHEADER_H */