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, 78 insertions, 66 deletions

diff --git a/Source/cmCommandArgumentLexer.h b/Source/cmCommandArgumentLexer.h
index 7234fe1..82e87b5 100644
--- a/Source/cmCommandArgumentLexer.h
+++ b/Source/cmCommandArgumentLexer.h
@@ -1,17 +1,20 @@
-/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-   file Copyright.txt or https://cmake.org/licensing for details.  */
 #ifndef cmCommandArgument_yyHEADER_H
 #define cmCommandArgument_yyHEADER_H 1
 #define cmCommandArgument_yyIN_HEADER 1
 
+#line 6 "cmCommandArgumentLexer.h"
+
+#line 8 "cmCommandArgumentLexer.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 35
+#define YY_FLEX_MINOR_VERSION 6
+#define YY_FLEX_SUBMINOR_VERSION 1
 #if YY_FLEX_SUBMINOR_VERSION > 0
 #define FLEX_BETA
 #endif
@@ -90,25 +93,13 @@ typedef unsigned int flex_uint32_t;
 
 #endif /* ! FLEXINT_H */
 
-#ifdef __cplusplus
-
-/* The "const" storage-class-modifier is valid. */
-#define YY_USE_CONST
-
-#else   /* ! __cplusplus */
-
-/* C99 requires __STDC__ to be defined as 1. */
-#if defined (__STDC__)
-
-#define YY_USE_CONST
-
-#endif  /* defined (__STDC__) */
-#endif  /* ! __cplusplus */
-
-#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. */
@@ -130,7 +121,15 @@ typedef void* yyscan_t;
 
 /* 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
@@ -146,52 +145,52 @@ typedef size_t yy_size_t;
 #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 cmCommandArgument_yyrestart (FILE *input_file ,yyscan_t yyscanner );
@@ -212,7 +211,7 @@ void cmCommandArgument_yyfree (void * ,yyscan_t yyscanner );
 
 /* Begin user sect3 */
 
-#define cmCommandArgument_yywrap(n) 1
+#define cmCommandArgument_yywrap(yyscanner) (/*CONSTCOND*/1)
 #define YY_SKIP_YYWRAP
 
 #define yytext_ptr yytext_r
@@ -247,19 +246,23 @@ void cmCommandArgument_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscann
 
 FILE *cmCommandArgument_yyget_in (yyscan_t yyscanner );
 
-void cmCommandArgument_yyset_in  (FILE * in_str ,yyscan_t yyscanner );
+void cmCommandArgument_yyset_in  (FILE * _in_str ,yyscan_t yyscanner );
 
 FILE *cmCommandArgument_yyget_out (yyscan_t yyscanner );
 
-void cmCommandArgument_yyset_out  (FILE * out_str ,yyscan_t yyscanner );
+void cmCommandArgument_yyset_out  (FILE * _out_str ,yyscan_t yyscanner );
 
-int cmCommandArgument_yyget_leng (yyscan_t yyscanner );
+			int cmCommandArgument_yyget_leng (yyscan_t yyscanner );
 
 char *cmCommandArgument_yyget_text (yyscan_t yyscanner );
 
 int cmCommandArgument_yyget_lineno (yyscan_t yyscanner );
 
-void cmCommandArgument_yyset_lineno (int line_number ,yyscan_t yyscanner );
+void cmCommandArgument_yyset_lineno (int _line_number ,yyscan_t yyscanner );
+
+int cmCommandArgument_yyget_column  (yyscan_t yyscanner );
+
+void cmCommandArgument_yyset_column (int _column_no ,yyscan_t yyscanner );
 
 /* Macros after this point can all be overridden by user definitions in
  * section 1.
@@ -287,7 +290,12 @@ 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. */
@@ -320,5 +328,9 @@ extern int cmCommandArgument_yylex (yyscan_t yyscanner);
 #undef YY_DECL
 #endif
 
+#line 127 "cmCommandArgumentLexer.in.l"
+
+
+#line 335 "cmCommandArgumentLexer.h"
 #undef cmCommandArgument_yyIN_HEADER
 #endif /* cmCommandArgument_yyHEADER_H */