int yylex()
{
int toktype;
static int beglin = false;
extern char *yytext;
if ( eofseen )
toktype = EOF;
else
toktype = flexscan();
if ( toktype == EOF || toktype == 0 )
{
eofseen = 1;
if ( sectnum == 1 )
{
synerr( _( "premature EOF" ) );
sectnum = 2;
toktype = SECTEND;
}
else
toktype = 0;
}
if ( trace )
{
if ( beglin )
{
fprintf( stderr, "%d\t", num_rules + 1 );
beglin = 0;
}
switch ( toktype )
{
case '<':
case '>':
case '^':
case '$':
case '"':
case '[':
case ']':
case '{':
case '}':
case '|':
case '(':
case ')':
case '-':
case '/':
case '\\':
case '?':
case '.':
case '*':
case '+':
case ',':
(void) putc( toktype, stderr );
break;
case '\n':
(void) putc( '\n', stderr );
if ( sectnum == 2 )
beglin = 1;
break;
case SCDECL:
fputs( "%s", stderr );
break;
case XSCDECL:
fputs( "%x", stderr );
break;
case SECTEND:
fputs( "%%\n", stderr );
/* We set beglin to be true so we'll start
* writing out numbers as we echo rules.
* flexscan() has already assigned sectnum.
*/
if ( sectnum == 2 )
beglin = 1;
break;
case NAME:
fprintf( stderr, "'%s'", nmstr );
break;
case CHAR:
switch ( yylval )
{
case '<':
case '>':
case '^':
case '$':
case '"':
case '[':
case ']':
case '{':
case '}':
case '|':
case '(':
case ')':
case '-':
case '/':
case '\\':
case '?':
case '.':
case '*':
case '+':
case ',':
fprintf( stderr, "\\%c",
yylval );
break;
default:
if ( ! isascii( yylval ) ||
! isprint( yylval ) )
fprintf( stderr,
"\\%.3o",
(unsigned int) yylval );
else
(void) putc( yylval,
stderr );
break;
}
break;
case NUMBER:
fprintf( stderr, "%d", yylval );
break;
case PREVCCL:
fprintf( stderr, "[%d]", yylval );
break;
case EOF_OP:
fprintf( stderr, "<<EOF>>" );
break;
case OPTION_OP:
fprintf( stderr, "%s ", yytext );
break;
case OPT_OUTFILE:
case OPT_PREFIX:
case CCE_ALNUM:
case CCE_ALPHA:
case CCE_BLANK:
case CCE_CNTRL:
case CCE_DIGIT:
case CCE_GRAPH:
case CCE_LOWER:
case CCE_PRINT:
case CCE_PUNCT:
case CCE_SPACE:
case CCE_UPPER:
case CCE_XDIGIT:
fprintf( stderr, "%s", yytext );
break;
case 0:
fprintf( stderr, _( "End Marker\n" ) );
break;
default:
fprintf( stderr,
_( "*Something Weird* - tok: %d val: %d\n" ),
toktype, yylval );
break;
}
}
return toktype;
}
int
yylex()
{
int toktype;
static int beglin = false;
if ( eofseen )
toktype = EOF;
else
toktype = flexscan();
if ( toktype == EOF )
{
eofseen = 1;
if ( sectnum == 1 )
{
synerr( "unexpected EOF" );
sectnum = 2;
toktype = SECTEND;
}
else if ( sectnum == 2 )
{
sectnum = 3;
toktype = SECTEND;
}
else
toktype = 0;
}
if ( trace )
{
if ( beglin )
{
fprintf( stderr, "%d\t", accnum + 1 );
beglin = 0;
}
switch ( toktype )
{
case '<':
case '>':
case '^':
case '$':
case '"':
case '[':
case ']':
case '{':
case '}':
case '|':
case '(':
case ')':
case '-':
case '/':
case '\\':
case '?':
case '.':
case '*':
case '+':
case ',':
(void) putc( toktype, stderr );
break;
case '\n':
(void) putc( '\n', stderr );
if ( sectnum == 2 )
beglin = 1;
break;
case SCDECL:
fputs( "%s", stderr );
break;
case XSCDECL:
fputs( "%x", stderr );
break;
case WHITESPACE:
(void) putc( ' ', stderr );
break;
case SECTEND:
fputs( "%%\n", stderr );
/* we set beglin to be true so we'll start
* writing out numbers as we echo rules. flexscan() has
* already assigned sectnum
*/
if ( sectnum == 2 )
beglin = 1;
break;
case NAME:
fprintf( stderr, "'%s'", nmstr );
break;
case CHAR:
switch ( yylval )
{
case '<':
case '>':
case '^':
case '$':
case '"':
case '[':
case ']':
case '{':
case '}':
case '|':
case '(':
case ')':
case '-':
case '/':
case '\\':
case '?':
case '.':
case '*':
case '+':
case ',':
fprintf( stderr, "\\%c", yylval );
break;
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
case 16:
case 17:
case 18:
case 19:
case 20:
case 21:
case 22:
case 23:
case 24:
case 25:
case 26:
case 27:
case 28:
case 29:
case 30:
case 31:
fprintf( stderr, "^%c", 'A' + yylval - 1 );
break;
case 127:
(void) putc( '^', stderr );
(void) putc( '@', stderr );
break;
default:
(void) putc( yylval, stderr );
break;
}
break;
case NUMBER:
fprintf( stderr, "%d", yylval );
break;
case PREVCCL:
fprintf( stderr, "[%d]", yylval );
break;
case 0:
fprintf( stderr, "End Marker" );
break;
default:
fprintf( stderr, "*Something Weird* - tok: %d val: %d\n",
toktype, yylval );
break;
}
}
return ( toktype );
}
int yylex(void)
{
int toktype;
static int beglin = false;
if ( eofseen )
toktype = EOF;
else
toktype = flexscan();
if ( toktype == EOF || toktype == 0 )
{
eofseen = 1;
if ( sectnum == 1 )
{
synerr( "premature EOF" );
sectnum = 2;
toktype = SECTEND;
}
else if ( sectnum == 2 )
{
sectnum = 3;
toktype = 0;
}
else
toktype = 0;
}
if ( trace )
{
if ( beglin )
{
fprintf( stderr, "%d\t", num_rules + 1 );
beglin = 0;
}
switch ( toktype )
{
case '<':
case '>':
case '^':
case '$':
case '"':
case '[':
case ']':
case '{':
case '}':
case '|':
case '(':
case ')':
case '-':
case '/':
case '\\':
case '?':
case '.':
case '*':
case '+':
case ',':
(void) putc( toktype, stderr );
break;
case '\n':
(void) putc( '\n', stderr );
if ( sectnum == 2 )
beglin = 1;
break;
case SCDECL:
fputs( "%s", stderr );
break;
case XSCDECL:
fputs( "%x", stderr );
break;
case WHITESPACE:
(void) putc( ' ', stderr );
break;
case SECTEND:
fputs( "%%\n", stderr );
/* we set beglin to be true so we'll start
* writing out numbers as we echo rules. flexscan() has
* already assigned sectnum
*/
if ( sectnum == 2 )
beglin = 1;
break;
case NAME:
fprintf( stderr, "'%s'", nmstr );
break;
case CHAR:
switch ( yylval )
{
case '<':
case '>':
case '^':
case '$':
case '"':
case '[':
case ']':
case '{':
case '}':
case '|':
case '(':
case ')':
case '-':
case '/':
case '\\':
case '?':
case '.':
case '*':
case '+':
case ',':
fprintf( stderr, "\\%c", yylval );
break;
default:
if ( ! isascii( yylval ) || ! isprint( yylval ) )
fprintf( stderr, "\\%.3o", yylval );
else
(void) putc( yylval, stderr );
break;
}
break;
case NUMBER:
fprintf( stderr, "%d", yylval );
break;
case PREVCCL:
fprintf( stderr, "[%d]", yylval );
break;
case EOF_OP:
fprintf( stderr, "<<EOF>>" );
break;
case 0:
fprintf( stderr, "End Marker" );
break;
default:
fprintf( stderr, "*Something Weird* - tok: %d val: %d\n",
toktype, yylval );
break;
}
}
return ( toktype );
}
void make_tables(void)
{
int i;
int did_eof_rule = false;
skelout();
/* First, take care of YY_DO_BEFORE_ACTION depending on yymore
* being used.
*/
set_indent( 1 );
if ( yymore_used && ! yytext_is_array )
{
indent_puts( "yytext_ptr -= yy_more_len; \\" );
indent_puts( "yyleng = (int) (yy_cp - yytext_ptr); \\" );
}
else
indent_puts( "yyleng = (int) (yy_cp - yy_bp); \\" );
/* Now also deal with copying yytext_ptr to yytext if needed. */
skelout();
if ( yytext_is_array )
{
if ( yymore_used )
indent_puts(
"if ( yyleng + yy_more_offset >= YYLMAX ) \\" );
else
indent_puts( "if ( yyleng >= YYLMAX ) \\" );
indent_up();
indent_puts(
"YY_FATAL_ERROR( \"token too large, exceeds YYLMAX\" ); \\" );
indent_down();
if ( yymore_used )
{
indent_puts(
"yy_flex_strncpy( &yytext[yy_more_offset], yytext_ptr, yyleng + 1 ); \\" );
indent_puts( "yyleng += yy_more_offset; \\" );
indent_puts(
"yy_prev_more_offset = yy_more_offset; \\" );
indent_puts( "yy_more_offset = 0; \\" );
}
else
{
indent_puts(
"yy_flex_strncpy( yytext, yytext_ptr, yyleng + 1 ); \\" );
}
}
set_indent( 0 );
skelout();
out_dec( "#define YY_NUM_RULES %d\n", num_rules );
out_dec( "#define YY_END_OF_BUFFER %d\n", num_rules + 1 );
if ( fullspd )
{
/* Need to define the transet type as a size large
* enough to hold the biggest offset.
*/
int total_table_size = tblend + numecs + 1;
char *trans_offset_type =
(total_table_size >= MAX_SHORT || long_align) ?
"long" : "short";
set_indent( 0 );
indent_puts( "struct yy_trans_info" );
indent_up();
indent_puts( "{" ); /* } for vi */
if ( long_align )
indent_puts( "long yy_verify;" );
else
indent_puts( "short yy_verify;" );
/* In cases where its sister yy_verify *is* a "yes, there is
* a transition", yy_nxt is the offset (in records) to the
* next state. In most cases where there is no transition,
* the value of yy_nxt is irrelevant. If yy_nxt is the -1th
* record of a state, though, then yy_nxt is the action number
* for that state.
*/
indent_put2s( "%s yy_nxt;", trans_offset_type );
indent_puts( "};" );
indent_down();
}
if ( fullspd )
genctbl();
else if ( fulltbl )
genftbl();
else
gentabs();
/* Definitions for backing up. We don't need them if REJECT
* is being used because then we use an alternative backin-up
* technique instead.
*/
if ( num_backing_up > 0 && ! reject )
{
if ( ! C_plus_plus )
{
indent_puts(
"static yy_state_type yy_last_accepting_state;" );
indent_puts(
"static char *yy_last_accepting_cpos;\n" );
}
}
if ( nultrans )
{
out_str_dec( C_state_decl, "yy_NUL_trans", lastdfa + 1 );
for ( i = 1; i <= lastdfa; ++i )
{
if ( fullspd )
out_dec( " &yy_transition[%d],\n", base[i] );
else
mkdata( nultrans[i] );
}
dataend();
}
if ( ddebug )
{ /* Spit out table mapping rules to line numbers. */
if ( ! C_plus_plus )
{
indent_puts( "extern int yy_flex_debug;" );
indent_puts( "int yy_flex_debug = 1;\n" );
}
out_str_dec( long_align ? C_long_decl : C_short_decl,
"yy_rule_linenum", num_rules );
for ( i = 1; i < num_rules; ++i )
mkdata( rule_linenum[i] );
dataend();
}
if ( reject )
{
/* Declare state buffer variables. */
if ( ! C_plus_plus )
{
outn(
"static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr;" );
outn( "static char *yy_full_match;" );
outn( "static int yy_lp;" );
}
if ( variable_trailing_context_rules )
{
if ( ! C_plus_plus )
{
outn(
"static int yy_looking_for_trail_begin = 0;" );
outn( "static int yy_full_lp;" );
outn( "static int *yy_full_state;" );
}
out_hex( "#define YY_TRAILING_MASK 0x%x\n",
(unsigned int) YY_TRAILING_MASK );
out_hex( "#define YY_TRAILING_HEAD_MASK 0x%x\n",
(unsigned int) YY_TRAILING_HEAD_MASK );
}
outn( "#define REJECT \\" );
outn( "{ \\" ); /* } for vi */
outn(
"*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \\" );
outn(
"yy_cp = yy_full_match; /* restore poss. backed-over text */ \\" );
if ( variable_trailing_context_rules )
{
outn(
"yy_lp = yy_full_lp; /* restore orig. accepting pos. */ \\" );
outn(
"yy_state_ptr = yy_full_state; /* restore orig. state */ \\" );
outn(
"yy_current_state = *yy_state_ptr; /* restore curr. state */ \\" );
}
outn( "++yy_lp; \\" );
outn( "goto find_rule; \\" );
/* { for vi */
outn( "}" );
}
else
{
outn(
"/* The intent behind this definition is that it'll catch" );
outn( " * any uses of REJECT which flex missed." );
outn( " */" );
outn( "#define REJECT reject_used_but_not_detected" );
}
if ( yymore_used )
{
if ( ! C_plus_plus )
{
if ( yytext_is_array )
{
indent_puts( "static int yy_more_offset = 0;" );
indent_puts(
"static int yy_prev_more_offset = 0;" );
}
else
{
indent_puts( "static int yy_more_flag = 0;" );
indent_puts( "static int yy_more_len = 0;" );
}
}
if ( yytext_is_array )
{
indent_puts(
"#define yymore() (yy_more_offset = yy_flex_strlen( yytext ))" );
indent_puts( "#define YY_NEED_STRLEN" );
indent_puts( "#define YY_MORE_ADJ 0" );
indent_puts( "#define YY_RESTORE_YY_MORE_OFFSET \\" );
indent_up();
indent_puts( "{ \\" );
indent_puts( "yy_more_offset = yy_prev_more_offset; \\" );
indent_puts( "yyleng -= yy_more_offset; \\" );
indent_puts( "}" );
indent_down();
}
else
{
indent_puts( "#define yymore() (yy_more_flag = 1)" );
indent_puts( "#define YY_MORE_ADJ yy_more_len" );
indent_puts( "#define YY_RESTORE_YY_MORE_OFFSET" );
}
}
else
{
indent_puts( "#define yymore() yymore_used_but_not_detected" );
indent_puts( "#define YY_MORE_ADJ 0" );
indent_puts( "#define YY_RESTORE_YY_MORE_OFFSET" );
}
if ( ! C_plus_plus )
{
if ( yytext_is_array )
{
outn( "#ifndef YYLMAX" );
outn( "#define YYLMAX 8192" );
outn( "#endif\n" );
outn( "char yytext[YYLMAX];" );
outn( "char *yytext_ptr;" );
}
else
outn( "char *yytext;" );
}
out( &action_array[defs1_offset] );
line_directive_out( stdout, 0 );
skelout();
if ( ! C_plus_plus )
{
if ( use_read )
{
outn(
"\tif ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \\" );
outn(
"\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" );" );
}
else
{
outn(
"\tif ( yy_current_buffer->yy_is_interactive ) \\" );
outn( "\t\t{ \\" );
outn( "\t\tint c = '*', n; \\" );
outn( "\t\tfor ( n = 0; n < max_size && \\" );
outn( "\t\t\t (c = getc( yyin )) != EOF && c != '\\n'; ++n ) \\" );
outn( "\t\t\tbuf[n] = (char) c; \\" );
outn( "\t\tif ( c == '\\n' ) \\" );
outn( "\t\t\tbuf[n++] = (char) c; \\" );
outn( "\t\tif ( c == EOF && ferror( yyin ) ) \\" );
outn(
"\t\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" ); \\" );
outn( "\t\tresult = n; \\" );
outn( "\t\t} \\" );
outn(
"\telse if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \\" );
outn( "\t\t && ferror( yyin ) ) \\" );
outn(
"\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" );" );
}
}
skelout();
indent_puts( "#define YY_RULE_SETUP \\" );
indent_up();
if ( bol_needed )
{
indent_puts( "if ( yyleng > 0 ) \\" );
indent_up();
indent_puts( "yy_current_buffer->yy_at_bol = \\" );
indent_puts( "\t\t(yytext[yyleng - 1] == '\\n'); \\" );
indent_down();
}
indent_puts( "YY_USER_ACTION" );
indent_down();
skelout();
/* Copy prolog to output file. */
out( &action_array[prolog_offset] );
line_directive_out( stdout, 0 );
skelout();
set_indent( 2 );
if ( yymore_used && ! yytext_is_array )
{
indent_puts( "yy_more_len = 0;" );
indent_puts( "if ( yy_more_flag )" );
indent_up();
indent_puts( "{" );
indent_puts( "yy_more_len = yy_c_buf_p - yytext_ptr;" );
indent_puts( "yy_more_flag = 0;" );
indent_puts( "}" );
indent_down();
}
skelout();
gen_start_state();
/* Note, don't use any indentation. */
outn( "yy_match:" );
gen_next_match();
skelout();
set_indent( 2 );
gen_find_action();
skelout();
if ( do_yylineno )
{
indent_puts( "if ( yy_act != YY_END_OF_BUFFER )" );
indent_up();
indent_puts( "{" );
indent_puts( "int yyl;" );
indent_puts( "for ( yyl = 0; yyl < yyleng; ++yyl )" );
indent_up();
indent_puts( "if ( yytext[yyl] == '\\n' )" );
indent_up();
indent_puts( "++yylineno;" );
indent_down();
indent_down();
indent_puts( "}" );
indent_down();
}
skelout();
if ( ddebug )
{
indent_puts( "if ( yy_flex_debug )" );
indent_up();
indent_puts( "{" );
indent_puts( "if ( yy_act == 0 )" );
indent_up();
indent_puts( C_plus_plus ?
"cerr << \"--scanner backing up\\n\";" :
"fprintf( stderr, \"--scanner backing up\\n\" );" );
indent_down();
do_indent();
out_dec( "else if ( yy_act < %d )\n", num_rules );
indent_up();
if ( C_plus_plus )
{
indent_puts(
"cerr << \"--accepting rule at line \" << yy_rule_linenum[yy_act] <<" );
indent_puts(
" \"(\\\"\" << yytext << \"\\\")\\n\";" );
}
else
{
indent_puts(
"fprintf( stderr, \"--accepting rule at line %d (\\\"%s\\\")\\n\"," );
indent_puts(
" yy_rule_linenum[yy_act], yytext );" );
}
indent_down();
do_indent();
out_dec( "else if ( yy_act == %d )\n", num_rules );
indent_up();
if ( C_plus_plus )
{
indent_puts(
"cerr << \"--accepting default rule (\\\"\" << yytext << \"\\\")\\n\";" );
}
else
{
indent_puts(
"fprintf( stderr, \"--accepting default rule (\\\"%s\\\")\\n\"," );
indent_puts( " yytext );" );
}
indent_down();
do_indent();
out_dec( "else if ( yy_act == %d )\n", num_rules + 1 );
indent_up();
indent_puts( C_plus_plus ?
"cerr << \"--(end of buffer or a NUL)\\n\";" :
"fprintf( stderr, \"--(end of buffer or a NUL)\\n\" );" );
indent_down();
do_indent();
outn( "else" );
indent_up();
if ( C_plus_plus )
{
indent_puts(
"cerr << \"--EOF (start condition \" << YY_START << \")\\n\";" );
}
else
{
indent_puts(
"fprintf( stderr, \"--EOF (start condition %d)\\n\", YY_START );" );
}
indent_down();
indent_puts( "}" );
indent_down();
}
/* Copy actions to output file. */
skelout();
indent_up();
gen_bu_action();
out( &action_array[action_offset] );
line_directive_out( stdout, 0 );
/* generate cases for any missing EOF rules */
for ( i = 1; i <= lastsc; ++i )
if ( ! sceof[i] )
{
do_indent();
out_str( "case YY_STATE_EOF(%s):\n", scname[i] );
did_eof_rule = true;
}
if ( did_eof_rule )
{
indent_up();
indent_puts( "yyterminate();" );
indent_down();
}
/* Generate code for handling NUL's, if needed. */
/* First, deal with backing up and setting up yy_cp if the scanner
* finds that it should JAM on the NUL.
*/
skelout();
set_indent( 4 );
if ( fullspd || fulltbl )
indent_puts( "yy_cp = yy_c_buf_p;" );
else
{ /* compressed table */
if ( ! reject && ! interactive )
{
/* Do the guaranteed-needed backing up to figure
* out the match.
*/
indent_puts( "yy_cp = yy_last_accepting_cpos;" );
indent_puts(
"yy_current_state = yy_last_accepting_state;" );
}
else
/* Still need to initialize yy_cp, though
* yy_current_state was set up by
* yy_get_previous_state().
*/
indent_puts( "yy_cp = yy_c_buf_p;" );
}
/* Generate code for yy_get_previous_state(). */
set_indent( 1 );
skelout();
gen_start_state();
set_indent( 2 );
skelout();
gen_next_state( true );
set_indent( 1 );
skelout();
gen_NUL_trans();
skelout();
if ( do_yylineno )
{ /* update yylineno inside of unput() */
indent_puts( "if ( c == '\\n' )" );
indent_up();
indent_puts( "--yylineno;" );
indent_down();
}
skelout();
/* Update BOL and yylineno inside of input(). */
if ( bol_needed )
{
indent_puts( "yy_current_buffer->yy_at_bol = (c == '\\n');" );
if ( do_yylineno )
{
indent_puts( "if ( yy_current_buffer->yy_at_bol )" );
indent_up();
indent_puts( "++yylineno;" );
indent_down();
}
}
else if ( do_yylineno )
{
indent_puts( "if ( c == '\\n' )" );
indent_up();
indent_puts( "++yylineno;" );
indent_down();
}
skelout();
/* Copy remainder of input to output. */
line_directive_out( stdout, 1 );
if ( sectnum == 3 )
(void) flexscan(); /* copy remainder of input to output */
}
