6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-22 07:32:48 +00:00
Code Issues Projects Releases Wiki Activity
eb99bd30e9
llvm-6502/utils/TableGen/FileLexer.cpp
Chris Lattner 2b931e8035 Regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23311 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-12 05:30:06 +00:00

1937 lines
50 KiB
C++
Raw Blame History

#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:
* $Header$
*/
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#include <stdio.h>
#include <unistd.h>
/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif
#ifdef __cplusplus
#include <stdlib.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, int len ));
static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
static inline void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
static void yy_flex_free YY_PROTO(( void * ));
#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 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 31
#define YY_END_OF_BUFFER 32
static yyconst short int yy_acclist[129] =
{ 0,
25, 25, 32, 30, 31, 23, 30, 31, 23, 31,
30, 31, 30, 31, 30, 31, 30, 31, 30, 31,
22, 30, 31, 22, 30, 31, 19, 30, 31, 30,
31, 19, 30, 31, 19, 30, 31, 19, 30, 31,
19, 30, 31, 19, 30, 31, 19, 30, 31, 19,
30, 31, 25, 31, 26, 31, 28, 31, 23, 21,
20, 22, 24, 1, 19, 19, 19, 19, 19, 19,
19, 15, 19, 19, 19, 19, 25, 26, 26, 29,
28, 27, 28, 20, 1, 22, 22, 5, 19, 19,
19, 10, 19, 12, 19, 19, 19, 4, 19, 14,
19, 19, 19, 18, 16, 17, 3, 6, 19, 19,
9, 19, 19, 19, 8, 19, 19, 11, 19, 13,
19, 19, 19, 19, 7, 19, 19, 2
} ;
static yyconst short int yy_accept[101] =
{ 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, 55, 57, 59, 60, 60,
60, 61, 62, 63, 64, 65, 65, 65, 66, 66,
67, 68, 69, 70, 71, 72, 74, 75, 76, 77,
78, 79, 80, 81, 82, 83, 84, 84, 84, 85,
86, 87, 88, 88, 88, 90, 91, 92, 94, 96,
97, 98, 100, 102, 103, 104, 105, 106, 107, 107,
108, 110, 111, 113, 114, 115, 117, 118, 120, 122,
123, 124, 125, 127, 128, 128, 128, 128, 129, 129
} ;
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, 15, 28,
29, 15, 15, 30, 31, 32, 33, 15, 15, 34,
15, 15, 35, 1, 36, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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[37] =
{ 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, 1, 1
} ;
static yyconst short int yy_base[113] =
{ 0,
0, 0, 29, 30, 199, 200, 39, 42, 167, 191,
0, 36, 42, 42, 45, 0, 161, 169, 33, 41,
168, 165, 42, 160, 0, 57, 61, 70, 45, 185,
200, 0, 66, 200, 0, 69, 0, 0, 154, 157,
170, 166, 162, 162, 162, 62, 151, 151, 151, 0,
75, 76, 200, 79, 200, 80, 153, 73, 0, 0,
81, 0, 143, 161, 146, 145, 153, 0, 0, 147,
146, 0, 0, 140, 145, 200, 200, 200, 134, 200,
0, 138, 0, 147, 134, 0, 138, 0, 0, 120,
97, 77, 0, 93, 95, 60, 45, 200, 200, 101,
107, 109, 112, 118, 124, 130, 133, 139, 142, 147,
153, 159
} ;
static yyconst short int yy_def[113] =
{ 0,
99, 1, 100, 100, 99, 99, 99, 99, 99, 101,
102, 99, 99, 99, 99, 103, 99, 103, 103, 103,
103, 103, 103, 103, 104, 105, 106, 99, 99, 101,
99, 107, 99, 99, 108, 99, 109, 103, 110, 103,
103, 103, 103, 103, 103, 103, 103, 103, 103, 104,
105, 105, 99, 106, 99, 106, 99, 99, 107, 108,
99, 109, 110, 111, 103, 103, 103, 103, 103, 103,
103, 103, 103, 103, 103, 99, 99, 99, 110, 99,
103, 103, 103, 103, 103, 103, 103, 103, 103, 103,
103, 103, 103, 103, 99, 112, 112, 99, 0, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99
} ;
static yyconst short int yy_nxt[237] =
{ 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, 16, 16, 16,
24, 16, 16, 16, 6, 6, 26, 26, 27, 27,
28, 28, 28, 28, 28, 28, 33, 33, 33, 34,
98, 35, 33, 33, 33, 33, 33, 33, 43, 41,
36, 42, 44, 47, 52, 98, 53, 48, 55, 57,
56, 28, 28, 28, 58, 37, 33, 33, 33, 61,
61, 71, 99, 52, 99, 53, 99, 99, 99, 56,
77, 61, 61, 72, 95, 95, 95, 95, 94, 78,
96, 25, 25, 25, 25, 25, 25, 30, 30, 30,
30, 30, 30, 32, 32, 38, 38, 38, 50, 50,
93, 50, 50, 50, 51, 51, 51, 51, 51, 51,
54, 54, 54, 54, 54, 54, 59, 59, 59, 60,
92, 60, 60, 60, 60, 62, 62, 63, 63, 63,
63, 63, 63, 79, 79, 79, 79, 79, 79, 97,
97, 97, 97, 97, 97, 91, 90, 89, 88, 64,
87, 86, 85, 84, 83, 82, 81, 80, 64, 76,
75, 74, 73, 70, 69, 68, 67, 66, 65, 64,
31, 49, 46, 45, 40, 39, 31, 29, 99, 5,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99
} ;
static yyconst short int yy_chk[237] =
{ 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, 3, 4, 3, 4,
7, 7, 7, 8, 8, 8, 12, 12, 12, 13,
97, 13, 14, 14, 14, 15, 15, 15, 20, 19,
14, 19, 20, 23, 26, 96, 26, 23, 27, 29,
27, 28, 28, 28, 29, 14, 33, 33, 33, 36,
36, 46, 51, 52, 51, 52, 54, 56, 54, 56,
58, 61, 61, 46, 94, 94, 95, 95, 92, 58,
95, 100, 100, 100, 100, 100, 100, 101, 101, 101,
101, 101, 101, 102, 102, 103, 103, 103, 104, 104,
91, 104, 104, 104, 105, 105, 105, 105, 105, 105,
106, 106, 106, 106, 106, 106, 107, 107, 107, 108,
90, 108, 108, 108, 108, 109, 109, 110, 110, 110,
110, 110, 110, 111, 111, 111, 111, 111, 111, 112,
112, 112, 112, 112, 112, 87, 85, 84, 82, 79,
75, 74, 71, 70, 67, 66, 65, 64, 63, 57,
49, 48, 47, 45, 44, 43, 42, 41, 40, 39,
30, 24, 22, 21, 18, 17, 10, 9, 5, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99
} ;
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/vadve/lattner/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 comment 1
#line 30 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
#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::string IncludeDirectory;
/// 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 strtol(Str+2, 0, 2);
return strtol(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())
return std::cerr << "At end of input: ";
for (unsigned i = 0, e = IncludeStack.size()-1; i != e; ++i)
std::cerr << "Included from " << IncludeStack[i].Filename << ":"
<< IncludeStack[i].LineNo << ":\n";
return std::cerr << "Parsing " << IncludeStack.back().Filename << ":"
<< Filelineno << ": ";
}
/// ParseFile - this function begins the parsing of the specified tablegen file.
///
void ParseFile(const std::string &Filename, const std::string & IncludeDir) {
FILE *F = stdin;
if (Filename != "-") {
F = fopen(Filename.c_str(), "r");
if (F == 0) {
std::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.
IncludeDirectory = IncludeDir;
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);
//std::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.
//
// NOTE: Right now, there is only one directory. We need to eventually add
// support for more.
std::string NextFilename = IncludeDirectory + "/" + Filename;
yyin = fopen(NextFilename.c_str(), "r");
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 648 "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 ));
#endif
#ifndef yytext_ptr
static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
#endif
#ifdef YY_NEED_STRLEN
static int 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, 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, 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 break;
#endif
#define YY_RULE_SETUP \
YY_USER_ACTION
YY_DECL
{
register yy_state_type yy_current_state;
register char *yy_cp = NULL, *yy_bp = NULL;
register int yy_act;
#line 176 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
#line 802 "Lexer.cpp"
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 ( 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 >= 100 )
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 != 99 );
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 178 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ /* Ignore comments */ }
YY_BREAK
case 2:
YY_RULE_SETUP
#line 180 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ HandleInclude(yytext); }
YY_BREAK
case 3:
YY_RULE_SETUP
#line 181 "/home/vadve/lattner/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 184 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return INT; }
YY_BREAK
case 5:
YY_RULE_SETUP
#line 185 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return BIT; }
YY_BREAK
case 6:
YY_RULE_SETUP
#line 186 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return BITS; }
YY_BREAK
case 7:
YY_RULE_SETUP
#line 187 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return STRING; }
YY_BREAK
case 8:
YY_RULE_SETUP
#line 188 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return LIST; }
YY_BREAK
case 9:
YY_RULE_SETUP
#line 189 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return CODE; }
YY_BREAK
case 10:
YY_RULE_SETUP
#line 190 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return DAG; }
YY_BREAK
case 11:
YY_RULE_SETUP
#line 192 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return CLASS; }
YY_BREAK
case 12:
YY_RULE_SETUP
#line 193 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return DEF; }
YY_BREAK
case 13:
YY_RULE_SETUP
#line 194 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return FIELD; }
YY_BREAK
case 14:
YY_RULE_SETUP
#line 195 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return LET; }
YY_BREAK
case 15:
YY_RULE_SETUP
#line 196 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return IN; }
YY_BREAK
case 16:
YY_RULE_SETUP
#line 198 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return SRATOK; }
YY_BREAK
case 17:
YY_RULE_SETUP
#line 199 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return SRLTOK; }
YY_BREAK
case 18:
YY_RULE_SETUP
#line 200 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return SHLTOK; }
YY_BREAK
case 19:
YY_RULE_SETUP
#line 203 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ Filelval.StrVal = new std::string(yytext, yytext+yyleng);
return ID; }
YY_BREAK
case 20:
YY_RULE_SETUP
#line 205 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ Filelval.StrVal = new std::string(yytext+1, yytext+yyleng);
return VARNAME; }
YY_BREAK
case 21:
YY_RULE_SETUP
#line 208 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ Filelval.StrVal = new std::string(yytext+1, yytext+yyleng-1);
return STRVAL; }
YY_BREAK
case 22:
YY_RULE_SETUP
#line 211 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ Filelval.IntVal = ParseInt(Filetext); return INTVAL; }
YY_BREAK
case 23:
YY_RULE_SETUP
#line 213 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ /* Ignore whitespace */ }
YY_BREAK
case 24:
YY_RULE_SETUP
#line 216 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ BEGIN(comment); CommentDepth++; }
YY_BREAK
case 25:
YY_RULE_SETUP
#line 217 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{} /* eat anything that's not a '*' or '/' */
YY_BREAK
case 26:
YY_RULE_SETUP
#line 218 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{} /* eat up '*'s not followed by '/'s */
YY_BREAK
case 27:
YY_RULE_SETUP
#line 219 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ ++CommentDepth; }
YY_BREAK
case 28:
YY_RULE_SETUP
#line 220 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{} /* eat up /'s not followed by *'s */
YY_BREAK
case 29:
YY_RULE_SETUP
#line 221 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ if (!--CommentDepth) { BEGIN(INITIAL); } }
YY_BREAK
case YY_STATE_EOF(comment):
#line 222 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ err() << "Unterminated comment!\n"; exit(1); }
YY_BREAK
case 30:
YY_RULE_SETUP
#line 224 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
{ return Filetext[0]; }
YY_BREAK
case 31:
YY_RULE_SETUP
#line 226 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
YY_FATAL_ERROR( "flex scanner jammed" );
YY_BREAK
#line 1056 "Lexer.cpp"
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 - yytext_ptr) - 1;
/* Undo the effects of YY_DO_BEFORE_ACTION. */
*yy_cp = yy_hold_char;
YY_RESTORE_YY_MORE_OFFSET
if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
{
/* We're scanning a new file or input source. It's
* possible that this happened because the user
* just pointed yyin at a new source and called
* yylex(). If so, then we have to assure
* consistency between yy_current_buffer and our
* globals. Here is the right place to do so, because
* this is the first action (other than possibly a
* back-up) that will match for the new input source.
*/
yy_n_chars = yy_current_buffer->yy_n_chars;
yy_current_buffer->yy_input_file = yyin;
yy_current_buffer->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 ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
{ /* This was really a NUL. */
yy_state_type yy_next_state;
yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state();
/* 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 );
yy_bp = yytext_ptr + YY_MORE_ADJ;
if ( yy_next_state )
{
/* Consume the NUL. */
yy_cp = ++yy_c_buf_p;
yy_current_state = yy_next_state;
goto yy_match;
}
else
{
yy_cp = yy_c_buf_p;
goto yy_find_action;
}
}
else switch ( yy_get_next_buffer() )
{
case EOB_ACT_END_OF_FILE:
{
yy_did_buffer_switch_on_eof = 0;
if ( yywrap() )
{
/* 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.
*/
yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
yy_act = YY_STATE_EOF(YY_START);
goto do_action;
}
else
{
if ( ! yy_did_buffer_switch_on_eof )
YY_NEW_FILE;
}
break;
}
case EOB_ACT_CONTINUE_SCAN:
yy_c_buf_p =
yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state();
yy_cp = yy_c_buf_p;
yy_bp = yytext_ptr + YY_MORE_ADJ;
goto yy_match;
case EOB_ACT_LAST_MATCH:
yy_c_buf_p =
&yy_current_buffer->yy_ch_buf[yy_n_chars];
yy_current_state = yy_get_previous_state();
yy_cp = yy_c_buf_p;
yy_bp = yytext_ptr + YY_MORE_ADJ;
goto yy_find_action;
}
break;
}
default:
YY_FATAL_ERROR(
"fatal flex scanner internal error--no action found" );
} /* end of action switch */
} /* end of scanning one token */
} /* end of yylex */
/* yy_get_next_buffer - try to read in a new buffer
*
* Returns a code representing an action:
* EOB_ACT_LAST_MATCH -
* EOB_ACT_CONTINUE_SCAN - continue scanning from current position
* EOB_ACT_END_OF_FILE - end of file
*/
static int yy_get_next_buffer()
{
register char *dest = yy_current_buffer->yy_ch_buf;
register char *source = yytext_ptr;
register int number_to_move, i;
int ret_val;
if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
YY_FATAL_ERROR(
"fatal flex scanner internal error--end of buffer missed" );
if ( yy_current_buffer->yy_fill_buffer == 0 )
{ /* Don't try to fill the buffer, so this is an EOF. */
if ( yy_c_buf_p - 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) (yy_c_buf_p - yytext_ptr) - 1;
for ( i = 0; i < number_to_move; ++i )
*(dest++) = *(source++);
if ( yy_current_buffer->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->yy_n_chars = yy_n_chars = 0;
else
{
int num_to_read =
yy_current_buffer->yy_buf_size - number_to_move - 1;
while ( num_to_read <= 0 )
{ /* Not enough room in the buffer - grow it. */
#ifdef YY_USES_REJECT
YY_FATAL_ERROR(
"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
#else
/* just a shorter name for the current buffer */
YY_BUFFER_STATE b = yy_current_buffer;
int yy_c_buf_p_offset =
(int) (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. */
yy_flex_realloc( (void *) b->yy_ch_buf,
b->yy_buf_size + 2 );
}
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" );
yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
num_to_read = yy_current_buffer->yy_buf_size -
number_to_move - 1;
#endif
}
if ( num_to_read > YY_READ_BUF_SIZE )
num_to_read = YY_READ_BUF_SIZE;
/* Read in more data. */
YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
yy_n_chars, num_to_read );
yy_current_buffer->yy_n_chars = yy_n_chars;
}
if ( yy_n_chars == 0 )
{
if ( number_to_move == YY_MORE_ADJ )
{
ret_val = EOB_ACT_END_OF_FILE;
yyrestart( yyin );
}
else
{
ret_val = EOB_ACT_LAST_MATCH;
yy_current_buffer->yy_buffer_status =
YY_BUFFER_EOF_PENDING;
}
}
else
ret_val = EOB_ACT_CONTINUE_SCAN;
yy_n_chars += number_to_move;
yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
yytext_ptr = &yy_current_buffer->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()
{
register yy_state_type yy_current_state;
register char *yy_cp;
yy_current_state = yy_start;
yy_state_ptr = yy_state_buf;
*yy_state_ptr++ = yy_current_state;
for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
{
register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
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 >= 100 )
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;
}
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 );
*/
#ifdef YY_USE_PROTOS
static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
#else
static yy_state_type yy_try_NUL_trans( yy_current_state )
yy_state_type yy_current_state;
#endif
{
register int yy_is_jam;
register YY_CHAR yy_c = 1;
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 >= 100 )
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 == 99);
if ( ! yy_is_jam )
*yy_state_ptr++ = yy_current_state;
return yy_is_jam ? 0 : yy_current_state;
}
#ifndef YY_NO_UNPUT
#ifdef YY_USE_PROTOS
static inline void yyunput( int c, register char *yy_bp )
#else
static inline void yyunput( c, yy_bp )
int c;
register char *yy_bp;
#endif
{
register char *yy_cp = yy_c_buf_p;
/* undo effects of setting up yytext */
*yy_cp = yy_hold_char;
if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
{ /* need to shift things up to make room */
/* +2 for EOB chars. */
register int number_to_move = yy_n_chars + 2;
register char *dest = &yy_current_buffer->yy_ch_buf[
yy_current_buffer->yy_buf_size + 2];
register char *source =
&yy_current_buffer->yy_ch_buf[number_to_move];
while ( source > yy_current_buffer->yy_ch_buf )
*--dest = *--source;
yy_cp += (int) (dest - source);
yy_bp += (int) (dest - source);
yy_current_buffer->yy_n_chars =
yy_n_chars = yy_current_buffer->yy_buf_size;
if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
YY_FATAL_ERROR( "flex scanner push-back overflow" );
}
*--yy_cp = (char) c;
if ( c == '\n' )
--yylineno;
yytext_ptr = yy_bp;
yy_hold_char = *yy_cp;
yy_c_buf_p = yy_cp;
}
#endif /* ifndef YY_NO_UNPUT */
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput()
#else
static int input()
#endif
{
int c;
*yy_c_buf_p = yy_hold_char;
if ( *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 ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
/* This was really a NUL. */
*yy_c_buf_p = '\0';
else
{ /* need more input */
int offset = yy_c_buf_p - yytext_ptr;
++yy_c_buf_p;
switch ( yy_get_next_buffer() )
{
case EOB_ACT_LAST_MATCH:
/* This happens because yy_g_n_b()
* sees that we've accumulated a
* token and flags that we need to
* try matching the token before
* proceeding. But for input(),
* there's no matching to consider.
* So convert the EOB_ACT_LAST_MATCH
* to EOB_ACT_END_OF_FILE.
*/
/* Reset buffer status. */
yyrestart( yyin );
/* fall through */
case EOB_ACT_END_OF_FILE:
{
if ( yywrap() )
return EOF;
if ( ! yy_did_buffer_switch_on_eof )
YY_NEW_FILE;
#ifdef __cplusplus
return yyinput();
#else
return input();
#endif
}
case EOB_ACT_CONTINUE_SCAN:
yy_c_buf_p = yytext_ptr + offset;
break;
}
}
}
c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */
*yy_c_buf_p = '\0'; /* preserve yytext */
yy_hold_char = *++yy_c_buf_p;
if ( c == '\n' )
++yylineno;
return c;
}
#endif /* YY_NO_INPUT */
#ifdef YY_USE_PROTOS
void yyrestart( FILE *input_file )
#else
void yyrestart( input_file )
FILE *input_file;
#endif
{
if ( ! yy_current_buffer )
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
yy_init_buffer( yy_current_buffer, input_file );
yy_load_buffer_state();
}
#ifdef YY_USE_PROTOS
void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
#else
void yy_switch_to_buffer( new_buffer )
YY_BUFFER_STATE new_buffer;
#endif
{
if ( yy_current_buffer == new_buffer )
return;
if ( yy_current_buffer )
{
/* Flush out information for old buffer. */
*yy_c_buf_p = yy_hold_char;
yy_current_buffer->yy_buf_pos = yy_c_buf_p;
yy_current_buffer->yy_n_chars = yy_n_chars;
}
yy_current_buffer = new_buffer;
yy_load_buffer_state();
/* We don't actually know whether we did this switch during
* EOF (yywrap()) processing, but the only time this flag
* is looked at is after yywrap() is called, so it's safe
* to go ahead and always set it.
*/
yy_did_buffer_switch_on_eof = 1;
}
#ifdef YY_USE_PROTOS
void yy_load_buffer_state( void )
#else
void yy_load_buffer_state()
#endif
{
yy_n_chars = yy_current_buffer->yy_n_chars;
yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
yyin = yy_current_buffer->yy_input_file;
yy_hold_char = *yy_c_buf_p;
}
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
#else
YY_BUFFER_STATE yy_create_buffer( file, size )
FILE *file;
int size;
#endif
{
YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
b->yy_buf_size = size;
/* yy_ch_buf has to be 2 characters longer than the size given because
* we need to put in 2 end-of-buffer characters.
*/
b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
b->yy_is_our_buffer = 1;
yy_init_buffer( b, file );
return b;
}
#ifdef YY_USE_PROTOS
void yy_delete_buffer( YY_BUFFER_STATE b )
#else
void yy_delete_buffer( b )
YY_BUFFER_STATE b;
#endif
{
if ( ! b )
return;
if ( b == yy_current_buffer )
yy_current_buffer = (YY_BUFFER_STATE) 0;
if ( b->yy_is_our_buffer )
yy_flex_free( (void *) b->yy_ch_buf );
yy_flex_free( (void *) b );
}
#ifdef YY_USE_PROTOS
void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
#else
void yy_init_buffer( b, file )
YY_BUFFER_STATE b;
FILE *file;
#endif
{
yy_flush_buffer( b );
b->yy_input_file = file;
b->yy_fill_buffer = 1;
#if YY_ALWAYS_INTERACTIVE
b->yy_is_interactive = 1;
#else
#if YY_NEVER_INTERACTIVE
b->yy_is_interactive = 0;
#else
b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
#endif
#endif
}
#ifdef YY_USE_PROTOS
void yy_flush_buffer( YY_BUFFER_STATE b )
#else
void yy_flush_buffer( b )
YY_BUFFER_STATE b;
#endif
{
if ( ! b )
return;
b->yy_n_chars = 0;
/* We always need two end-of-buffer characters. The first causes
* a transition to the end-of-buffer state. The second causes
* a jam in that state.
*/
b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
b->yy_buf_pos = &b->yy_ch_buf[0];
b->yy_at_bol = 1;
b->yy_buffer_status = YY_BUFFER_NEW;
if ( b == yy_current_buffer )
yy_load_buffer_state();
}
#ifndef YY_NO_SCAN_BUFFER
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
#else
YY_BUFFER_STATE yy_scan_buffer( base, size )
char *base;
yy_size_t size;
#endif
{
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) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
b->yy_buf_pos = b->yy_ch_buf = base;
b->yy_is_our_buffer = 0;
b->yy_input_file = 0;
b->yy_n_chars = b->yy_buf_size;
b->yy_is_interactive = 0;
b->yy_at_bol = 1;
b->yy_fill_buffer = 0;
b->yy_buffer_status = YY_BUFFER_NEW;
yy_switch_to_buffer( b );
return b;
}
#endif
#ifndef YY_NO_SCAN_STRING
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
#else
YY_BUFFER_STATE yy_scan_string( yy_str )
yyconst char *yy_str;
#endif
{
int len;
for ( len = 0; yy_str[len]; ++len )
;
return yy_scan_bytes( yy_str, len );
}
#endif
#ifndef YY_NO_SCAN_BYTES
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
#else
YY_BUFFER_STATE yy_scan_bytes( bytes, len )
yyconst char *bytes;
int len;
#endif
{
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 *) yy_flex_alloc( n );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
for ( i = 0; i < len; ++i )
buf[i] = bytes[i];
buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
b = yy_scan_buffer( buf, n );
if ( ! b )
YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
/* It's okay to grow etc. this buffer, and we should throw it
* away when we're done.
*/
b->yy_is_our_buffer = 1;
return b;
}
#endif
#ifndef YY_NO_PUSH_STATE
#ifdef YY_USE_PROTOS
static void yy_push_state( int new_state )
#else
static void yy_push_state( new_state )
int new_state;
#endif
{
if ( yy_start_stack_ptr >= yy_start_stack_depth )
{
yy_size_t new_size;
yy_start_stack_depth += YY_START_STACK_INCR;
new_size = yy_start_stack_depth * sizeof( int );
if ( ! yy_start_stack )
yy_start_stack = (int *) yy_flex_alloc( new_size );
else
yy_start_stack = (int *) yy_flex_realloc(
(void *) yy_start_stack, new_size );
if ( ! yy_start_stack )
YY_FATAL_ERROR(
"out of memory expanding start-condition stack" );
}
yy_start_stack[yy_start_stack_ptr++] = YY_START;
BEGIN(new_state);
}
#endif
#ifndef YY_NO_POP_STATE
static void yy_pop_state()
{
if ( --yy_start_stack_ptr < 0 )
YY_FATAL_ERROR( "start-condition stack underflow" );
BEGIN(yy_start_stack[yy_start_stack_ptr]);
}
#endif
#ifndef YY_NO_TOP_STATE
static int yy_top_state()
{
return yy_start_stack[yy_start_stack_ptr - 1];
}
#endif
#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif
#ifdef YY_USE_PROTOS
static void yy_fatal_error( yyconst char msg[] )
#else
static void yy_fatal_error( msg )
char msg[];
#endif
{
(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. */ \
yytext[yyleng] = yy_hold_char; \
yy_c_buf_p = yytext + n; \
yy_hold_char = *yy_c_buf_p; \
*yy_c_buf_p = '\0'; \
yyleng = n; \
} \
while ( 0 )
/* Internal utility routines. */
#ifndef yytext_ptr
#ifdef YY_USE_PROTOS
static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
#else
static void yy_flex_strncpy( s1, s2, n )
char *s1;
yyconst char *s2;
int n;
#endif
{
register int i;
for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
#endif
#ifdef YY_NEED_STRLEN
#ifdef YY_USE_PROTOS
static int yy_flex_strlen( yyconst char *s )
#else
static int yy_flex_strlen( s )
yyconst char *s;
#endif
{
register int n;
for ( n = 0; s[n]; ++n )
;
return n;
}
#endif
#ifdef YY_USE_PROTOS
static void *yy_flex_alloc( yy_size_t size )
#else
static void *yy_flex_alloc( size )
yy_size_t size;
#endif
{
return (void *) malloc( size );
}
#ifdef YY_USE_PROTOS
static inline void *yy_flex_realloc( void *ptr, yy_size_t size )
#else
static inline void *yy_flex_realloc( ptr, size )
void *ptr;
yy_size_t size;
#endif
{
/* 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 );
}
#ifdef YY_USE_PROTOS
static void yy_flex_free( void *ptr )
#else
static void yy_flex_free( ptr )
void *ptr;
#endif
{
free( ptr );
}
#if YY_MAIN
int main()
{
yylex();
return 0;
}
#endif
#line 226 "/home/vadve/lattner/llvm/utils/TableGen/FileLexer.l"
Reference in New Issue View Git Blame Copy Permalink