reimplement the tblgen lexer with a simple hand-written lexer. This eliminates

one dependency on flex and gets rid of two ".cvs" files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44210 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 2011 deletions

diff --git a/utils/TableGen/FileLexer.cpp.cvs b/utils/TableGen/FileLexer.cpp.cvs
deleted file mode 100644
index be356517ff..0000000000
--- a/utils/TableGen/FileLexer.cpp.cvs
+++ /dev/null
@@ -1,2011 +0,0 @@
-#define yy_create_buffer File_create_buffer
-#define yy_delete_buffer File_delete_buffer
-#define yy_scan_buffer File_scan_buffer
-#define yy_scan_string File_scan_string
-#define yy_scan_bytes File_scan_bytes
-#define yy_flex_debug File_flex_debug
-#define yy_init_buffer File_init_buffer
-#define yy_flush_buffer File_flush_buffer
-#define yy_load_buffer_state File_load_buffer_state
-#define yy_switch_to_buffer File_switch_to_buffer
-#define yyin Filein
-#define yyleng Fileleng
-#define yylex Filelex
-#define yyout Fileout
-#define yyrestart Filerestart
-#define yytext Filetext
-#define yylineno Filelineno
-#define yywrap Filewrap
-
-#line 21 "Lexer.cpp"
-/* A lexical scanner generated by flex */
-
-/* Scanner skeleton version:
- * $NetBSD: flex.skl,v 1.22 2005/08/08 01:28:08 christos Exp $
- */
-
-#define FLEX_SCANNER
-#define YY_FLEX_MAJOR_VERSION 2
-#define YY_FLEX_MINOR_VERSION 5
-
-#include <stdio.h>
-
-
-/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
-#ifdef c_plusplus
-#ifndef __cplusplus
-#define __cplusplus
-#endif
-#endif
-
-
-#ifdef __cplusplus
-
-#include <stdlib.h>
-#include <unistd.h>
-
-/* Use prototypes in function declarations. */
-#define YY_USE_PROTOS
-
-/* The "const" storage-class-modifier is valid. */
-#define YY_USE_CONST
-
-#else	/* ! __cplusplus */
-
-#if __STDC__
-
-#define YY_USE_PROTOS
-#define YY_USE_CONST
-
-#endif	/* __STDC__ */
-#endif	/* ! __cplusplus */
-
-#ifdef __TURBOC__
- #pragma warn -rch
- #pragma warn -use
-#include <io.h>
-#include <stdlib.h>
-#define YY_USE_CONST
-#define YY_USE_PROTOS
-#endif
-
-#ifdef YY_USE_CONST
-#define yyconst const
-#else
-#define yyconst
-#endif
-
-
-#ifdef YY_USE_PROTOS
-#define YY_PROTO(proto) proto
-#else
-#define YY_PROTO(proto) ()
-#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)
-
-/* 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 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 ((yy_start - 1) / 2)
-#define YYSTATE YY_START
-
-/* Action number for EOF rule of a given start state. */
-#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
-
-/* Special action meaning "start processing a new file". */
-#define YY_NEW_FILE yyrestart( yyin )
-
-#define YY_END_OF_BUFFER_CHAR 0
-
-/* Size of default input buffer. */
-#define YY_BUF_SIZE (16384*64)
-
-typedef struct yy_buffer_state *YY_BUFFER_STATE;
-
-extern int yyleng;
-extern FILE *yyin, *yyout;
-
-#define EOB_ACT_CONTINUE_SCAN 0
-#define EOB_ACT_END_OF_FILE 1
-#define EOB_ACT_LAST_MATCH 2
-
-/* The funky do-while in the following #define is used to turn the definition
- * int a single C statement (which needs a semi-colon terminator).  This
- * avoids problems with code like:
- *
- * 	if ( condition_holds )
- *		yyless( 5 );
- *	else
- *		do_something_else();
- *
- * Prior to using the do-while the compiler would get upset at the
- * "else" because it interpreted the "if" statement as being all
- * done when it reached the ';' after the yyless() call.
- */
-
-/* Return all but the first 'n' matched characters back to the input stream. */
-
-#define yyless(n) \
-	do \
-		{ \
-		/* Undo effects of setting up yytext. */ \
-		*yy_cp = yy_hold_char; \
-		YY_RESTORE_YY_MORE_OFFSET \
-		yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
-		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
-		} \
-	while ( 0 )
-
-#define unput(c) yyunput( c, yytext_ptr )
-
-/* 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).
- */
-typedef unsigned int yy_size_t;
-
-
-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;
-
-	/* Whether to try to fill the input buffer when we reach the
-	 * end of it.
-	 */
-	int yy_fill_buffer;
-
-	int yy_buffer_status;
-#define YY_BUFFER_NEW 0
-#define YY_BUFFER_NORMAL 1
-	/* When an EOF's been seen but there's still some text to process
-	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
-	 * shouldn't try reading from the input source any more.  We might
-	 * still have a bunch of tokens to match, though, because of
-	 * possible backing-up.
-	 *
-	 * When we actually see the EOF, we change the status to "new"
-	 * (via yyrestart()), so that the user can continue scanning by
-	 * just pointing yyin at a new input file.
-	 */
-#define YY_BUFFER_EOF_PENDING 2
-	};
-
-static YY_BUFFER_STATE yy_current_buffer = 0;
-
-/* 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".
- */
-#define YY_CURRENT_BUFFER yy_current_buffer
-
-
-/* yy_hold_char holds the character lost when yytext is formed. */
-static char yy_hold_char;
-
-static int yy_n_chars;		/* number of characters read into yy_ch_buf */
-
-
-int yyleng;
-
-/* Points to current character in buffer. */
-static char *yy_c_buf_p = (char *) 0;
-static int yy_init = 1;		/* whether we need to initialize */
-static int yy_start = 0;	/* start state number */
-
-/* Flag which is used to allow yywrap()'s to do buffer switches
- * instead of setting up a fresh yyin.  A bit of a hack ...
- */
-static int yy_did_buffer_switch_on_eof;
-
-void yyrestart YY_PROTO(( FILE *input_file ));
-
-void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
-void yy_load_buffer_state YY_PROTO(( void ));
-YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
-void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
-void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
-void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
-#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
-
-YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
-YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
-YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, yy_size_t len ));
-#ifdef __cplusplus
-YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, int size ));
-YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
-#endif
-
-#define yy_new_buffer yy_create_buffer
-
-#define yy_set_interactive(is_interactive) \
-	{ \
-	if ( ! yy_current_buffer ) \
-		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
-	yy_current_buffer->yy_is_interactive = is_interactive; \
-	}
-
-#define yy_set_bol(at_bol) \
-	{ \
-	if ( ! yy_current_buffer ) \
-		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
-	yy_current_buffer->yy_at_bol = at_bol; \
-	}
-
-#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
-
-
-#define YY_USES_REJECT
-typedef unsigned char YY_CHAR;
-FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
-typedef int yy_state_type;
-extern int yylineno;
-int yylineno = 1;
-extern char *yytext;
-#define yytext_ptr yytext
-
-static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
-static inline void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ))
-#ifdef __GNUC__
-    __attribute__((__unused__))
-#endif
-;
-static void yy_flex_free YY_PROTO(( void * ));
-
-static yy_state_type yy_get_previous_state YY_PROTO(( void ));
-static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
-static int yy_get_next_buffer YY_PROTO(( void ));
-static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
-
-/* Done after the current pattern has been matched and before the
- * corresponding action - sets up yytext.
- */
-#define YY_DO_BEFORE_ACTION \
-	yytext_ptr = yy_bp; \
-	yyleng = (int) (yy_cp - yy_bp); \
-	yy_hold_char = *yy_cp; \
-	*yy_cp = '\0'; \
-	yy_c_buf_p = yy_cp;
-
-#define YY_NUM_RULES 35
-#define YY_END_OF_BUFFER 36
-static yyconst short int yy_acclist[146] =
-    {   0,
-       29,   29,   36,   34,   35,   27,   34,   35,   27,   35,
-       34,   35,   34,   35,   34,   35,   34,   35,   34,   35,
-       26,   34,   35,   26,   34,   35,   23,   34,   35,   34,
-       35,   23,   34,   35,   23,   34,   35,   23,   34,   35,
-       23,   34,   35,   23,   34,   35,   23,   34,   35,   23,
-       34,   35,   23,   34,   35,   29,   35,   30,   35,   32,
-       35,   27,   25,   24,   26,   28,    1,   23,   23,   23,
-       23,   23,   23,   23,   17,   23,   23,   23,   23,   23,
-       29,   30,   30,   33,   32,   31,   32,   24,    1,   26,
-       26,    5,   23,   23,   23,   10,   23,   12,   23,   23,
-
-       23,    4,   23,   16,   23,   23,   23,   23,   18,   21,
-       19,   20,    3,    6,   23,   23,    9,   23,   13,   23,
-       23,   23,    8,   23,   23,   23,   11,   23,   15,   23,
-       23,   23,   23,   23,   23,    7,   23,   23,   23,   23,
-       23,   22,    2,   14,   23
-    } ;
-
-static yyconst short int yy_accept[123] =
-    {   0,
-        1,    1,    1,    2,    3,    4,    6,    9,   11,   13,
-       15,   17,   19,   21,   24,   27,   30,   32,   35,   38,
-       41,   44,   47,   50,   53,   56,   58,   60,   62,   63,
-       63,   63,   63,   64,   65,   66,   67,   68,   68,   68,
-       69,   69,   70,   71,   72,   73,   74,   75,   77,   78,
-       79,   80,   81,   82,   83,   84,   85,   86,   87,   88,
-       88,   88,   88,   88,   89,   90,   91,   92,   92,   92,
-       94,   95,   96,   98,  100,  101,  102,  104,  106,  107,
-      108,  109,  110,  111,  112,  113,  113,  113,  114,  116,
-      117,  119,  121,  122,  123,  125,  126,  127,  127,  129,
-
-      131,  132,  133,  134,  134,  135,  136,  138,  138,  139,
-      140,  140,  140,  141,  141,  141,  142,  143,  143,  144,
-      146,  146
-    } ;
-
-static yyconst int yy_ec[256] =
-    {   0,
-        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
-        1,    1,    4,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    2,    5,    6,    1,    7,    1,    1,    1,    1,
-        1,    8,    9,    1,    9,    1,   10,   11,   12,   13,
-       13,   13,   13,   13,   13,   13,   13,    1,    1,    1,
-        1,    1,    1,    1,   14,   14,   14,   14,   14,   14,
-       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
-       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
-       16,    1,   17,    1,   15,    1,   18,   19,   20,   21,
-
-       22,   23,   24,   25,   26,   15,   15,   27,   28,   29,
-       30,   15,   15,   31,   32,   33,   34,   15,   15,   35,
-       15,   15,   36,    1,   37,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1
-    } ;
-
-static yyconst int yy_meta[38] =
-    {   0,
-        1,    1,    2,    1,    1,    1,    1,    3,    1,    3,
-        4,    4,    4,    5,    6,    1,    1,    5,    5,    5,
-        5,    5,    5,    6,    6,    6,    6,    6,    6,    6,
-        6,    6,    6,    6,    6,    1,    1
-    } ;
-
-static yyconst short int yy_base[135] =
-    {   0,
-        0,    0,   30,   31,  221,  222,   40,   43,   28,  214,
-        0,   38,   44,   44,   53,    0,  183,  192,   31,   49,
-      191,  187,   46,  181,  181,    0,   65,   66,   78,  183,
-       52,  206,  222,    0,   75,  222,    0,   58,    0,    0,
-      174,  177,  191,  187,  183,  183,  183,   58,  171,  171,
-      175,  170,    0,   82,   85,  222,   86,  222,   89,  171,
-      172,   35,  167,    0,    0,   89,    0,  160,  179,  163,
-      162,  171,    0,  164,  164,  163,    0,    0,  156,  155,
-      161,  222,  222,  222,  222,  166,  148,  222,    0,  152,
-        0,    0,  162,  148,    0,  155,  151,  149,    0,    0,
-
-      157,  157,  152,  146,  152,  146,    0,  128,  100,  110,
-       89,  102,   74,   65,   83,   52,  222,   53,  222,    0,
-      222,  108,  114,  116,  119,  125,  131,  137,  140,  146,
-      149,  154,  160,  166
-    } ;
-
-static yyconst short int yy_def[135] =
-    {   0,
-      121,    1,  122,  122,  121,  121,  121,  121,  121,  123,
-      124,  121,  121,  121,  121,  125,  121,  125,  125,  125,
-      125,  125,  125,  125,  125,  126,  127,  128,  121,  121,
-      121,  123,  121,  129,  121,  121,  130,  121,  131,  125,
-      132,  125,  125,  125,  125,  125,  125,  125,  125,  125,
-      125,  125,  126,  127,  127,  121,  128,  121,  128,  121,
-      121,  121,  121,  129,  130,  121,  131,  132,  133,  125,
-      125,  125,  125,  125,  125,  125,  125,  125,  125,  125,
-      125,  121,  121,  121,  121,  121,  132,  121,  125,  125,
-      125,  125,  125,  125,  125,  125,  125,  121,  125,  125,
-
-      125,  125,  125,  121,  125,  125,  125,  121,  125,  125,
-      121,  121,  125,  121,  134,  125,  121,  134,  121,  125,
-        0,  121,  121,  121,  121,  121,  121,  121,  121,  121,
-      121,  121,  121,  121
-    } ;
-
-static yyconst short int yy_nxt[260] =
-    {   0,
-        6,    7,    8,    7,    9,   10,   11,    6,   12,   13,
-       14,   15,   15,   16,   16,   17,    6,   16,   18,   19,
-       20,   16,   21,   16,   16,   22,   23,   24,   16,   16,
-       16,   25,   16,   16,   16,    6,    6,   27,   27,   28,
-       28,   29,   29,   29,   29,   29,   29,   30,   35,   35,
-       35,   36,   84,   37,   35,   35,   35,   43,  119,   31,
-       44,   85,   38,   35,   35,   35,   45,   49,   66,   66,
-       46,   50,   55,   58,   56,   59,   61,   76,   39,   29,
-       29,   29,   62,  120,   63,   35,   35,   35,  119,  121,
-       77,  121,   55,  121,   56,  121,  121,  117,   59,   66,
-
-       66,  112,  112,  112,  112,  116,  114,  115,   26,   26,
-       26,   26,   26,   26,   32,   32,   32,   32,   32,   32,
-       34,   34,   40,   40,   40,   53,   53,  113,   53,   53,
-       53,   54,   54,   54,   54,   54,   54,   57,   57,   57,
-       57,   57,   57,   64,   64,   64,   65,  111,   65,   65,
-       65,   65,   67,   67,   68,   68,   68,   68,   68,   68,
-       87,   87,   87,   87,   87,   87,  118,  118,  118,  118,
-      118,  118,  110,  109,  108,  107,  106,  105,  104,  103,
-      102,  101,  100,   99,   69,   98,   97,   96,   95,   94,
-       93,   92,   91,   90,   89,   88,   69,   86,   83,   82,
-
-       81,   80,   79,   78,   75,   74,   73,   72,   71,   70,
-       69,   33,   60,   52,   51,   48,   47,   42,   41,   33,
-      121,    5,  121,  121,  121,  121,  121,  121,  121,  121,
-      121,  121,  121,  121,  121,  121,  121,  121,  121,  121,
-      121,  121,  121,  121,  121,  121,  121,  121,  121,  121,
-      121,  121,  121,  121,  121,  121,  121,  121,  121
-    } ;
-
-static yyconst short int yy_chk[260] =
-    {   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,    1,    3,    4,    3,
-        4,    7,    7,    7,    8,    8,    8,    9,   12,   12,
-       12,   13,   62,   13,   14,   14,   14,   19,  118,    9,
-       19,   62,   14,   15,   15,   15,   20,   23,   38,   38,
-       20,   23,   27,   28,   27,   28,   31,   48,   14,   29,
-       29,   29,   31,  116,   31,   35,   35,   35,  115,   54,
-       48,   54,   55,   57,   55,   57,   59,  114,   59,   66,
-
-       66,  109,  109,  112,  112,  113,  111,  112,  122,  122,
-      122,  122,  122,  122,  123,  123,  123,  123,  123,  123,
-      124,  124,  125,  125,  125,  126,  126,  110,  126,  126,
-      126,  127,  127,  127,  127,  127,  127,  128,  128,  128,
-      128,  128,  128,  129,  129,  129,  130,  108,  130,  130,
-      130,  130,  131,  131,  132,  132,  132,  132,  132,  132,
-      133,  133,  133,  133,  133,  133,  134,  134,  134,  134,
-      134,  134,  106,  105,  104,  103,  102,  101,   98,   97,
-       96,   94,   93,   90,   87,   86,   81,   80,   79,   76,
-       75,   74,   72,   71,   70,   69,   68,   63,   61,   60,
-
-       52,   51,   50,   49,   47,   46,   45,   44,   43,   42,
-       41,   32,   30,   25,   24,   22,   21,   18,   17,   10,
-        5,  121,  121,  121,  121,  121,  121,  121,  121,  121,
-      121,  121,  121,  121,  121,  121,  121,  121,  121,  121,
-      121,  121,  121,  121,  121,  121,  121,  121,  121,  121,
-      121,  121,  121,  121,  121,  121,  121,  121,  121
-    } ;
-
-static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr;
-static char *yy_full_match;
-static int yy_lp;
-#define REJECT \
-{ \
-*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \
-yy_cp = yy_full_match; /* restore poss. backed-over text */ \
-++yy_lp; \
-goto find_rule; \
-}
-#define yymore() yymore_used_but_not_detected
-#define YY_MORE_ADJ 0
-#define YY_RESTORE_YY_MORE_OFFSET
-char *yytext;
-#line 1 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-#define INITIAL 0
-/*===-- FileLexer.l - Scanner for TableGen Files ----------------*- C++ -*-===//
-// 
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
-//===----------------------------------------------------------------------===//
-//
-// This file defines a simple flex scanner for TableGen files.  This is pretty
-// straight-forward, except for the magic to handle file inclusion.
-//
-//===----------------------------------------------------------------------===*/
-#define YY_NEVER_INTERACTIVE 1
-#define in_comment 1
-
-#line 30 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-#include "llvm/Config/config.h"
-#include "llvm/Support/Streams.h"
-#include "Record.h"
-typedef std::pair<llvm::Record*, std::vector<llvm::Init*>*> SubClassRefTy;
-#include "FileParser.h"
-
-int Fileparse();
-
-namespace llvm {
-
-// Global variable recording the location of the include directory
-std::vector<std::string> IncludeDirectories;
-
-/// ParseInt - This has to handle the special case of binary numbers 0b0101
-///
-static int ParseInt(const char *Str) {
-  if (Str[0] == '0' && Str[1] == 'b')
-    return strtoll(Str+2, 0, 2);
-  return strtoll(Str, 0, 0); 
-}
-
-static int CommentDepth = 0;
-
-struct IncludeRec {
-  std::string Filename;
-  FILE *File;
-  unsigned LineNo;
-  YY_BUFFER_STATE Buffer;
-
-  IncludeRec(const std::string &FN, FILE *F)
-    : Filename(FN), File(F), LineNo(0){
-  }
-};
-
-static std::vector<IncludeRec> IncludeStack;
-
-std::ostream &err() {
-  if (IncludeStack.empty()) {
-    cerr << "At end of input: ";
-    return *cerr.stream();
-  }
-
-  for (unsigned i = 0, e = IncludeStack.size()-1; i != e; ++i)
-    cerr << "Included from " << IncludeStack[i].Filename << ":"
-         << IncludeStack[i].LineNo << ":\n";
-  cerr << "Parsing " << IncludeStack.back().Filename << ":"
-       << Filelineno << ": ";
-  return *cerr.stream();
-}
-
-/// ParseFile - this function begins the parsing of the specified tablegen file.
-///
-void ParseFile(const std::string &Filename, 
-               const std::vector<std::string> &IncludeDirs) {
-  FILE *F = stdin;
-  if (Filename != "-") {
-    F = fopen(Filename.c_str(), "r");
-
-    if (F == 0) {
-      cerr << "Could not open input file '" + Filename + "'!\n";
-      exit (1);
-    }
-    IncludeStack.push_back(IncludeRec(Filename, F));
-  } else {
-    IncludeStack.push_back(IncludeRec("<stdin>", stdin));
-  }
-
-  // Record the location of the include directory so that the lexer can find
-  // it later.
-  IncludeDirectories = IncludeDirs;
- 
-  Filein = F;
-  Filelineno = 1;
-  Fileparse();
-  Filein = stdin;
-}
-
-/// HandleInclude - This function is called when an include directive is
-/// encountered in the input stream...
-///
-static void HandleInclude(const char *Buffer) {
-  unsigned Length = yyleng;
-  assert(Buffer[Length-1] == '"');
-  Buffer += strlen("include ");
-  Length -= strlen("include ");
-  while (*Buffer != '"') {
-    ++Buffer;
-    --Length;
-  }
-  assert(Length >= 2 && "Double quotes not found?");
-  std::string Filename(Buffer+1, Buffer+Length-1);
-  //cerr << "Filename = '" << Filename << "'\n";
-
-  // Save the line number and lex buffer of the includer...
-  IncludeStack.back().LineNo = Filelineno;
-  IncludeStack.back().Buffer = YY_CURRENT_BUFFER;
-
-  // Open the new input file...
-  yyin = fopen(Filename.c_str(), "r");
-  if (yyin == 0) {
-    // If we couldn't find the file in the current directory, look for it in
-    // the include directories.
-    //
-    std::string NextFilename;
-    for (unsigned i = 0, e = IncludeDirectories.size(); i != e; ++i) {
-      NextFilename = IncludeDirectories[i] + "/" + Filename;
-      if ((yyin = fopen(NextFilename.c_str(), "r")))
-        break;
-    }
-    
-    if (yyin == 0) {
-      err() << "Could not find include file '" << Filename << "'!\n";
-      exit(1);
-    }
-    Filename = NextFilename;
-  }
-
-  // Add the file to our include stack...
-  IncludeStack.push_back(IncludeRec(Filename, yyin));
-  Filelineno = 1;  // Reset line numbering...
-  //yyrestart(yyin);    // Start lexing the new file...
-
-  yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
-}
-
-/// yywrap - This is called when the lexer runs out of input in one of the
-/// files. Switch back to an includer if an includee has run out of input.
-///
-extern "C"
-int yywrap(void) {
-  if (IncludeStack.back().File != stdin)
-    fclose(IncludeStack.back().File);
-  IncludeStack.pop_back();
-  if (IncludeStack.empty()) return 1;  // Top-level file is done.
-
-  // Otherwise, we need to switch back to a file which included the current one.
-  Filelineno = IncludeStack.back().LineNo;  // Restore current line number
-  yy_switch_to_buffer(IncludeStack.back().Buffer);
-  return 0;
-}
-
-} // End llvm namespace
-
-using namespace llvm;
-
-#line 678 "Lexer.cpp"
-
-/* Macros after this point can all be overridden by user definitions in
- * section 1.
- */
-
-#ifndef YY_SKIP_YYWRAP
-#ifdef __cplusplus
-extern "C" int yywrap YY_PROTO(( void ));
-#else
-extern int yywrap YY_PROTO(( void ));
-#endif
-#endif
-
-#ifndef YY_NO_UNPUT
-static inline void yyunput YY_PROTO(( int c, char *buf_ptr ))
-#ifdef __GNUC__
-    __attribute__((__unused__))
-#endif
-;
-#endif
-
-#ifndef yytext_ptr
-static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, yy_size_t ));
-#endif
-
-#ifdef YY_NEED_STRLEN
-static yy_size_t yy_flex_strlen YY_PROTO(( yyconst char * ));
-#endif
-
-#ifndef YY_NO_INPUT
-#ifdef __cplusplus
-static int yyinput YY_PROTO(( void ));
-#else
-static int input YY_PROTO(( void ));
-#endif
-#endif
-
-#if YY_STACK_USED
-static int yy_start_stack_ptr = 0;
-static int yy_start_stack_depth = 0;
-static int *yy_start_stack = 0;
-#ifndef YY_NO_PUSH_STATE
-static void yy_push_state YY_PROTO(( int new_state ));
-#endif
-#ifndef YY_NO_POP_STATE
-static void yy_pop_state YY_PROTO(( void ));
-#endif
-#ifndef YY_NO_TOP_STATE
-static int yy_top_state YY_PROTO(( void ));
-#endif
-
-#else
-#define YY_NO_PUSH_STATE 1
-#define YY_NO_POP_STATE 1
-#define YY_NO_TOP_STATE 1
-#endif
-
-#ifdef YY_MALLOC_DECL
-YY_MALLOC_DECL
-#else
-#if __STDC__
-#ifndef __cplusplus
-#include <stdlib.h>
-#endif
-#else
-/* Just try to get by without declaring the routines.  This will fail
- * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
- * or sizeof(void*) != sizeof(int).
- */
-#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, (size_t)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->yy_is_interactive ) \
-		{ \
-		int c = '*', 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 if ( ((result = fread( buf, 1, (size_t)max_size, yyin )) == 0) \
-		  && ferror( yyin ) ) \
-		YY_FATAL_ERROR( "input in flex scanner failed" );
-#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 )
-#endif
-
-/* Default declaration of generated scanner - a define so the user can
- * easily add parameters.
- */
-#ifndef YY_DECL
-#define YY_DECL int yylex YY_PROTO(( void ))
-#endif
-
-/* 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 /*LINTED*/break;
-#endif
-
-#define YY_RULE_SETUP \
-	YY_USER_ACTION
-
-YY_DECL
-	{
-	register yy_state_type yy_current_state;
-	register char *yy_cp, *yy_bp;
-	register int yy_act;
-
-#line 185 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-
-
-#line 836 "Lexer.cpp"
-
-#if defined(YY_USES_REJECT) && (defined(__GNUC__) || defined(lint))
-	/* XXX: shut up `unused label' warning with %options yylineno */
-	if (/*CONSTCOND*/0 && yy_full_match)
-		goto find_rule;
-#endif
-	if ( yy_init )
-		{
-		yy_init = 0;
-
-#ifdef YY_USER_INIT
-		YY_USER_INIT;
-#endif
-
-		if ( ! yy_start )
-			yy_start = 1;	/* first start state */
-
-		if ( ! yyin )
-			yyin = stdin;
-
-		if ( ! yyout )
-			yyout = stdout;
-
-		if ( ! yy_current_buffer )
-			yy_current_buffer =
-				yy_create_buffer( yyin, YY_BUF_SIZE );
-
-		yy_load_buffer_state();
-		}
-
-	while (/*CONSTCOND*/ 1 )	/* loops until end-of-file is reached */
-		{
-		yy_cp = yy_c_buf_p;
-
-		/* Support of yytext. */
-		*yy_cp = 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 = yy_start;
-		yy_state_ptr = yy_state_buf;
-		*yy_state_ptr++ = yy_current_state;
-yy_match:
-		do
-			{
-			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*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 >= 122 )
-					yy_c = yy_meta[(unsigned int) yy_c];
-				}
-			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
-			*yy_state_ptr++ = yy_current_state;
-			++yy_cp;
-			}
-		while ( yy_current_state != 121 );
-
-yy_find_action:
-		yy_current_state = *--yy_state_ptr;
-		yy_lp = yy_accept[yy_current_state];
-find_rule: /* we branch to this label when backing up */
-		for ( ; ; ) /* until we find what rule we matched */
-			{
-			if ( yy_lp && yy_lp < yy_accept[yy_current_state + 1] )
-				{
-				yy_act = yy_acclist[yy_lp];
-					{
-					yy_full_match = yy_cp;
-					break;
-					}
-				}
-			--yy_cp;
-			yy_current_state = *--yy_state_ptr;
-			yy_lp = yy_accept[yy_current_state];
-			}
-
-		YY_DO_BEFORE_ACTION;
-
-		if ( yy_act != YY_END_OF_BUFFER )
-			{
-			int yyl;
-			for ( yyl = 0; yyl < yyleng; ++yyl )
-				if ( yytext[yyl] == '\n' )
-					++yylineno;
-			}
-
-do_action:	/* This label is used only to access EOF actions. */
-
-
-		switch ( yy_act )
-	{ /* beginning of action switch */
-case 1:
-YY_RULE_SETUP
-#line 187 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ /* Ignore comments */ }
-	YY_BREAK
-case 2:
-YY_RULE_SETUP
-#line 189 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ HandleInclude(yytext); }
-	YY_BREAK
-case 3:
-YY_RULE_SETUP
-#line 190 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ Filelval.StrVal = new std::string(yytext+2, yytext+yyleng-2);
-                 return CODEFRAGMENT; }
-	YY_BREAK
-case 4:
-YY_RULE_SETUP
-#line 193 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return INT; }
-	YY_BREAK
-case 5:
-YY_RULE_SETUP
-#line 194 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return BIT; }
-	YY_BREAK
-case 6:
-YY_RULE_SETUP
-#line 195 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return BITS; }
-	YY_BREAK
-case 7:
-YY_RULE_SETUP
-#line 196 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return STRING; }
-	YY_BREAK
-case 8:
-YY_RULE_SETUP
-#line 197 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return LIST; }
-	YY_BREAK
-case 9:
-YY_RULE_SETUP
-#line 198 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return CODE; }
-	YY_BREAK
-case 10:
-YY_RULE_SETUP
-#line 199 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return DAG; }
-	YY_BREAK
-case 11:
-YY_RULE_SETUP
-#line 201 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return CLASS; }
-	YY_BREAK
-case 12:
-YY_RULE_SETUP
-#line 202 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return DEF; }
-	YY_BREAK
-case 13:
-YY_RULE_SETUP
-#line 203 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return DEFM; }
-	YY_BREAK
-case 14:
-YY_RULE_SETUP
-#line 204 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return MULTICLASS; }
-	YY_BREAK
-case 15:
-YY_RULE_SETUP
-#line 205 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return FIELD; }
-	YY_BREAK
-case 16:
-YY_RULE_SETUP
-#line 206 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return LET; }
-	YY_BREAK
-case 17:
-YY_RULE_SETUP
-#line 207 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return IN; }
-	YY_BREAK
-case 18:
-YY_RULE_SETUP
-#line 209 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return CONCATTOK; }
-	YY_BREAK
-case 19:
-YY_RULE_SETUP
-#line 210 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return SRATOK; }
-	YY_BREAK
-case 20:
-YY_RULE_SETUP
-#line 211 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return SRLTOK; }
-	YY_BREAK
-case 21:
-YY_RULE_SETUP
-#line 212 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return SHLTOK; }
-	YY_BREAK
-case 22:
-YY_RULE_SETUP
-#line 213 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ return STRCONCATTOK; }
-	YY_BREAK
-case 23:
-YY_RULE_SETUP
-#line 216 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ Filelval.StrVal = new std::string(yytext, yytext+yyleng);
-                 return ID; }
-	YY_BREAK
-case 24:
-YY_RULE_SETUP
-#line 218 "/home/neil/src/nobackup/llvm/utils/TableGen/FileLexer.l"
-{ Filelval.Str