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authorVern Paxson <vern@ee.lbl.gov>1993-12-11 14:40:35 +0000
committerVern Paxson <vern@ee.lbl.gov>1993-12-11 14:40:35 +0000
commit9e6aac8df85a6e0e0bba6d269756847f1d720eb8 (patch)
tree702742608924c6108fc0feca89268218238a55d1 /gen.c
parentb914ba5ae920b9da40e88eddd46aa863be059eff (diff)
-o option
Diffstat (limited to 'gen.c')
-rw-r--r--gen.c189
1 files changed, 97 insertions, 92 deletions
diff --git a/gen.c b/gen.c
index fe847eb..846e76f 100644
--- a/gen.c
+++ b/gen.c
@@ -65,13 +65,13 @@ void do_indent()
while ( i >= 8 )
{
- putchar( '\t' );
+ outc( '\t' );
i -= 8;
}
while ( i > 0 )
{
- putchar( ' ' );
+ outc( ' ' );
--i;
}
}
@@ -121,7 +121,7 @@ void gen_bu_action()
indent_puts( "yy_current_state = yy_last_accepting_state;" );
indent_puts( "goto yy_find_action;" );
- putchar( '\n' );
+ outc( '\n' );
set_indent( 0 );
}
@@ -135,9 +135,9 @@ void genctbl()
int end_of_buffer_action = num_rules + 1;
/* Table of verify for transition and offset to next state. */
- printf( "static const struct yy_trans_info yy_transition[%d] =\n",
+ out_dec( "static const struct yy_trans_info yy_transition[%d] =\n",
tblend + numecs + 1 );
- printf( " {\n" );
+ outn( " {" );
/* We want the transition to be represented as the offset to the
* next state, not the actual state number, which is what it currently
@@ -205,17 +205,16 @@ void genctbl()
transition_struct_out( chk[tblend + 1], nxt[tblend + 1] );
transition_struct_out( chk[tblend + 2], nxt[tblend + 2] );
- printf( " };\n" );
- printf( "\n" );
+ outn( " };\n" );
/* Table of pointers to start states. */
- printf(
+ out_dec(
"static const struct yy_trans_info *yy_start_state_list[%d] =\n",
lastsc * 2 + 1 );
- printf( " {\n" ); /* } so vi doesn't get confused */
+ outn( " {" ); /* } so vi doesn't get confused */
for ( i = 0; i <= lastsc * 2; ++i )
- printf( " &yy_transition[%d],\n", base[i] );
+ out_dec( " &yy_transition[%d],\n", base[i] );
dataend();
@@ -232,7 +231,7 @@ void genecs()
register int i, j;
int numrows;
- printf( C_int_decl, "yy_ec", csize );
+ out_str_dec( C_int_decl, "yy_ec", csize );
for ( i = 1; i < csize; ++i )
{
@@ -282,7 +281,7 @@ void gen_find_action()
indent_puts( "yy_current_state = *--yy_state_ptr;" );
indent_puts( "yy_lp = yy_accept[yy_current_state];" );
- puts(
+ outn(
"find_rule: /* we branch to this label when backing up */" );
indent_puts(
@@ -396,7 +395,7 @@ void genftbl()
register int i;
int end_of_buffer_action = num_rules + 1;
- printf( long_align ? C_long_decl : C_short_decl,
+ out_str_dec( long_align ? C_long_decl : C_short_decl,
"yy_accept", lastdfa + 1 );
dfaacc[end_of_buffer_state].dfaacc_state = end_of_buffer_action;
@@ -454,7 +453,7 @@ char *char_map;
do_indent();
/* lastdfa + 2 is the beginning of the templates */
- printf( "if ( yy_current_state >= %d )\n", lastdfa + 2 );
+ out_dec( "if ( yy_current_state >= %d )\n", lastdfa + 2 );
indent_up();
indent_puts( "yy_c = yy_meta[(unsigned int) yy_c];" );
@@ -496,7 +495,7 @@ void gen_next_match()
{
indent_puts( "{" ); /* } for vi */
gen_backing_up();
- putchar( '\n' );
+ outc( '\n' );
}
indent_puts( "++yy_cp;" );
@@ -507,7 +506,7 @@ void gen_next_match()
indent_down();
- putchar( '\n' );
+ outc( '\n' );
indent_puts( "yy_current_state = -yy_current_state;" );
}
@@ -532,7 +531,7 @@ void gen_next_match()
if ( num_backing_up > 0 )
{
- putchar( '\n' );
+ outc( '\n' );
gen_backing_up(); /* { for vi */
indent_puts( "}" );
}
@@ -559,10 +558,10 @@ void gen_next_match()
do_indent();
if ( interactive )
- printf( "while ( yy_base[yy_current_state] != %d );\n",
+ out_dec( "while ( yy_base[yy_current_state] != %d );\n",
jambase );
else
- printf( "while ( yy_current_state != %d );\n",
+ out_dec( "while ( yy_current_state != %d );\n",
jamstate );
if ( ! reject && ! interactive )
@@ -655,7 +654,7 @@ void gen_NUL_trans()
/* We'll need yy_cp lying around for the gen_backing_up(). */
indent_puts( "register char *yy_cp = yy_c_buf_p;" );
- putchar( '\n' );
+ outc( '\n' );
if ( nultrans )
{
@@ -667,7 +666,7 @@ void gen_NUL_trans()
else if ( fulltbl )
{
do_indent();
- printf( "yy_current_state = yy_nxt[yy_current_state][%d];\n",
+ out_dec( "yy_current_state = yy_nxt[yy_current_state][%d];\n",
NUL_ec );
indent_puts( "yy_is_jam = (yy_current_state <= 0);" );
}
@@ -675,7 +674,7 @@ void gen_NUL_trans()
else if ( fullspd )
{
do_indent();
- printf( "register int yy_c = %d;\n", NUL_ec );
+ out_dec( "register int yy_c = %d;\n", NUL_ec );
indent_puts(
"register const struct yy_trans_info *yy_trans_info;\n" );
@@ -699,7 +698,7 @@ void gen_NUL_trans()
do_indent();
- printf( "yy_is_jam = (yy_current_state == %d);\n", jamstate );
+ out_dec( "yy_is_jam = (yy_current_state == %d);\n", jamstate );
}
/* If we've entered an accepting state, back up; note that
@@ -708,7 +707,7 @@ void gen_NUL_trans()
*/
if ( need_backing_up && (fullspd || fulltbl) )
{
- putchar( '\n' );
+ outc( '\n' );
indent_puts( "if ( ! yy_is_jam )" );
indent_up();
indent_puts( "{" );
@@ -783,7 +782,7 @@ void gentabs()
accsiz[end_of_buffer_state] = 1;
dfaacc[end_of_buffer_state].dfaacc_set = EOB_accepting_list;
- printf( long_align ? C_long_decl : C_short_decl,
+ out_str_dec( long_align ? C_long_decl : C_short_decl,
"yy_acclist", MAX( numas, 1 ) + 1 );
j = 1; /* index into "yy_acclist" array */
@@ -870,7 +869,7 @@ void gentabs()
*/
++k;
- printf( long_align ? C_long_decl : C_short_decl, "yy_accept", k );
+ out_str_dec( long_align ? C_long_decl : C_short_decl, "yy_accept", k );
for ( i = 1; i <= lastdfa; ++i )
{
@@ -902,7 +901,7 @@ void gentabs()
if ( trace )
fputs( "\n\nMeta-Equivalence Classes:\n", stderr );
- printf( C_int_decl, "yy_meta", numecs + 1 );
+ out_str_dec( C_int_decl, "yy_meta", numecs + 1 );
for ( i = 1; i <= numecs; ++i )
{
@@ -918,7 +917,7 @@ void gentabs()
total_states = lastdfa + numtemps;
- printf( (tblend >= MAX_SHORT || long_align) ?
+ out_str_dec( (tblend >= MAX_SHORT || long_align) ?
C_long_decl : C_short_decl,
"yy_base", total_states + 1 );
@@ -953,7 +952,7 @@ void gentabs()
dataend();
- printf( (total_states >= MAX_SHORT || long_align) ?
+ out_str_dec( (total_states >= MAX_SHORT || long_align) ?
C_long_decl : C_short_decl,
"yy_def", total_states + 1 );
@@ -962,7 +961,7 @@ void gentabs()
dataend();
- printf( (total_states >= MAX_SHORT || long_align) ?
+ out_str_dec( (total_states >= MAX_SHORT || long_align) ?
C_long_decl : C_short_decl,
"yy_nxt", tblend + 1 );
@@ -976,7 +975,7 @@ void gentabs()
dataend();
- printf( (total_states >= MAX_SHORT || long_align) ?
+ out_str_dec( (total_states >= MAX_SHORT || long_align) ?
C_long_decl : C_short_decl,
"yy_chk", tblend + 1 );
@@ -1000,8 +999,8 @@ void indent_put2s( fmt, arg )
char fmt[], arg[];
{
do_indent();
- printf( fmt, arg );
- putchar( '\n' );
+ out_str( fmt, arg );
+ outn( "" );
}
@@ -1013,7 +1012,7 @@ void indent_puts( str )
char str[];
{
do_indent();
- puts( str );
+ outn( str );
}
@@ -1058,7 +1057,7 @@ void make_tables()
skelout();
- printf( "#define YY_END_OF_BUFFER %d\n", num_rules + 1 );
+ out_dec( "#define YY_END_OF_BUFFER %d\n", num_rules + 1 );
if ( fullspd )
{
@@ -1117,12 +1116,12 @@ void make_tables()
if ( nultrans )
{
- printf( C_state_decl, "yy_NUL_trans", lastdfa + 1 );
+ out_str_dec( C_state_decl, "yy_NUL_trans", lastdfa + 1 );
for ( i = 1; i <= lastdfa; ++i )
{
if ( fullspd )
- printf( " &yy_transition[%d],\n", base[i] );
+ out_dec( " &yy_transition[%d],\n", base[i] );
else
mkdata( nultrans[i] );
}
@@ -1135,7 +1134,7 @@ void make_tables()
indent_puts( "extern int yy_flex_debug;" );
indent_puts( "int yy_flex_debug = 1;\n" );
- printf( long_align ? C_long_decl : C_short_decl,
+ 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] );
@@ -1147,58 +1146,58 @@ void make_tables()
/* Declare state buffer variables. */
if ( ! C_plus_plus )
{
- puts(
+ outn(
"static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr;" );
- puts( "static char *yy_full_match;" );
- puts( "static int yy_lp;" );
+ outn( "static char *yy_full_match;" );
+ outn( "static int yy_lp;" );
}
if ( variable_trailing_context_rules )
{
if ( ! C_plus_plus )
{
- puts(
+ outn(
"static int yy_looking_for_trail_begin = 0;" );
- puts( "static int yy_full_lp;" );
- puts( "static int *yy_full_state;" );
+ outn( "static int yy_full_lp;" );
+ outn( "static int *yy_full_state;" );
}
- printf( "#define YY_TRAILING_MASK 0x%x\n",
+ out_hex( "#define YY_TRAILING_MASK 0x%x\n",
(unsigned int) YY_TRAILING_MASK );
- printf( "#define YY_TRAILING_HEAD_MASK 0x%x\n",
+ out_hex( "#define YY_TRAILING_HEAD_MASK 0x%x\n",
(unsigned int) YY_TRAILING_HEAD_MASK );
}
- puts( "#define REJECT \\" );
- puts( "{ \\" ); /* } for vi */
- puts(
+ outn( "#define REJECT \\" );
+ outn( "{ \\" ); /* } for vi */
+ outn(
"*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \\" );
- puts(
+ outn(
"yy_cp = yy_full_match; /* restore poss. backed-over text */ \\" );
if ( variable_trailing_context_rules )
{
- puts(
+ outn(
"yy_lp = yy_full_lp; /* restore orig. accepting pos. */ \\" );
- puts(
+ outn(
"yy_state_ptr = yy_full_state; /* restore orig. state */ \\" );
- puts(
+ outn(
"yy_current_state = *yy_state_ptr; /* restore curr. state */ \\" );
}
- puts( "++yy_lp; \\" );
- puts( "goto find_rule; \\" );
+ outn( "++yy_lp; \\" );
+ outn( "goto find_rule; \\" );
/* { for vi */
- puts( "}" );
+ outn( "}" );
}
else
{
- puts(
+ outn(
"/* The intent behind this definition is that it'll catch" );
- puts( " * any uses of REJECT which flex missed." );
- puts( " */" );
- puts( "#define REJECT reject_used_but_not_detected" );
+ outn( " * any uses of REJECT which flex missed." );
+ outn( " */" );
+ outn( "#define REJECT reject_used_but_not_detected" );
}
if ( yymore_used )
@@ -1223,18 +1222,20 @@ void make_tables()
{
if ( yytext_is_array )
{
- puts( "#ifndef YYLMAX" );
- puts( "#define YYLMAX 8192" );
- puts( "#endif\n" );
- puts( "char yytext[YYLMAX];" );
- puts( "char *yytext_ptr;" );
+ outn( "#ifndef YYLMAX" );
+ outn( "#define YYLMAX 8192" );
+ outn( "#endif\n" );
+ outn( "char yytext[YYLMAX];" );
+ outn( "char *yytext_ptr;" );
}
else
- puts( "char *yytext;" );
+ outn( "char *yytext;" );
}
- fputs( &action_array[defs1_offset], stdout );
+ out( &action_array[defs1_offset] );
+
+ line_directive_out( stdout, 0 );
skelout();
@@ -1242,33 +1243,35 @@ void make_tables()
{
if ( use_read )
{
- printf(
-"\tif ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \\\n" );
- printf(
- "\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" );\n" );
+ outn(
+"\tif ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \\" );
+ outn(
+ "\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" );" );
}
else
{
- printf(
- "\tif ( yy_current_buffer->yy_is_interactive ) \\\n" );
- printf( "\t\t{ \\\n" );
- printf( "\t\tint c = getc( yyin ); \\\n" );
- printf( "\t\tresult = c == EOF ? 0 : 1; \\\n" );
- printf( "\t\tbuf[0] = (char) c; \\\n" );
- printf( "\t\t} \\\n" );
- printf(
- "\telse if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \\\n" );
- printf( "\t\t && ferror( yyin ) ) \\\n" );
- printf(
- "\t\tYY_FATAL_ERROR( \"input in flex scanner failed\" );\n" );
+ outn(
+ "\tif ( yy_current_buffer->yy_is_interactive ) \\" );
+ outn( "\t\t{ \\" );
+ outn( "\t\tint c = getc( yyin ); \\" );
+ outn( "\t\tresult = c == EOF ? 0 : 1; \\" );
+ outn( "\t\tbuf[0] = (char) c; \\" );
+ 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();
/* Copy prolog to output file. */
- fputs( &action_array[prolog_offset], stdout );
+ out( &action_array[prolog_offset] );
+
+ line_directive_out( stdout, 0 );
skelout();
@@ -1291,7 +1294,7 @@ void make_tables()
gen_start_state();
/* Note, don't use any indentation. */
- puts( "yy_match:" );
+ outn( "yy_match:" );
gen_next_match();
skelout();
@@ -1330,7 +1333,7 @@ void make_tables()
indent_down();
do_indent();
- printf( "else if ( yy_act < %d )\n", num_rules );
+ out_dec( "else if ( yy_act < %d )\n", num_rules );
indent_up();
indent_puts(
"fprintf( stderr, \"--accepting rule at line %d (\\\"%s\\\")\\n\"," );
@@ -1338,7 +1341,7 @@ void make_tables()
indent_down();
do_indent();
- printf( "else if ( yy_act == %d )\n", num_rules );
+ out_dec( "else if ( yy_act == %d )\n", num_rules );
indent_up();
indent_puts(
"fprintf( stderr, \"--accepting default rule (\\\"%s\\\")\\n\"," );
@@ -1346,14 +1349,14 @@ void make_tables()
indent_down();
do_indent();
- printf( "else if ( yy_act == %d )\n", num_rules + 1 );
+ out_dec( "else if ( yy_act == %d )\n", num_rules + 1 );
indent_up();
indent_puts(
"fprintf( stderr, \"--(end of buffer or a NUL)\\n\" );" );
indent_down();
do_indent();
- printf( "else\n" );
+ outn( "else" );
indent_up();
indent_puts(
"fprintf( stderr, \"--EOF (start condition %d)\\n\", YY_START );" );
@@ -1367,14 +1370,16 @@ void make_tables()
skelout();
indent_up();
gen_bu_action();
- fputs( &action_array[action_offset], stdout );
+ 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();
- printf( "case YY_STATE_EOF(%s):\n", scname[i] );
+ out_str( "case YY_STATE_EOF(%s):\n", scname[i] );
did_eof_rule = true;
}
@@ -1441,7 +1446,7 @@ void make_tables()
/* Copy remainder of input to output. */
- line_directive_out( stdout );
+ line_directive_out( stdout, 1 );
if ( sectnum == 3 )
(void) flexscan(); /* copy remainder of input to output */