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Preserve the text after ifdefs in the output.

This commit is contained in:
steve 2001-11-29 02:26:25 +00:00
parent e85347bf8b
commit 8309c1f673
1 changed files with 7 additions and 9 deletions
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16
ivlpp/lexor.lex
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@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: lexor.lex,v 1.27 2001/10/30 21:53:27 steve Exp $"
#ident "$Id: lexor.lex,v 1.28 2001/11/29 02:26:25 steve Exp $"
#endif
# include "config.h"
@ -186,12 +186,11 @@ W [ \t\b\f]+
condition that stacks on top of the IFDEF_FALSE so that output is
not accidentally turned on within nested ifdefs. */
^{W}?`ifdef{W}[a-zA-Z_][a-zA-Z0-9_]*.* {
^{W}?`ifdef{W}[a-zA-Z_][a-zA-Z0-9_]* {
char*name = strchr(yytext, '`');
assert(name);
name += 6;
name += strspn(name, " \t\b\f");
name[strcspn(name, " \t\b\f")] = 0;
if (is_defined(name)) {
yy_push_state(IFDEF_TRUE);
@ -200,12 +199,11 @@ W [ \t\b\f]+
}
}
^{W}?`ifndef{W}[a-zA-Z_][a-zA-Z0-9_]*.* {
^{W}?`ifndef{W}[a-zA-Z_][a-zA-Z0-9_]* {
char*name = strchr(yytext, '`');
assert(name);
name += 7;
name += strspn(name, " \t\b\f");
name[strcspn(name, " \t\b\f")] = 0;
if (!is_defined(name)) {
yy_push_state(IFDEF_TRUE);
@ -217,14 +215,14 @@ W [ \t\b\f]+
<IFDEF_FALSE,IFDEF_SUPR>^{W}?`ifdef{W}.* { yy_push_state(IFDEF_SUPR); }
<IFDEF_FALSE,IFDEF_SUPR>^{W}?`ifndef{W}.* { yy_push_state(IFDEF_SUPR); }
<IFDEF_TRUE>{W}?`else.* { BEGIN(IFDEF_FALSE); }
<IFDEF_FALSE>{W}?`else.* { BEGIN(IFDEF_TRUE); }
<IFDEF_SUPR>{W}?`else.* { }
<IFDEF_TRUE>{W}?`else { BEGIN(IFDEF_FALSE); }
<IFDEF_FALSE>{W}?`else { BEGIN(IFDEF_TRUE); }
<IFDEF_SUPR>{W}?`else { }
<IFDEF_FALSE,IFDEF_SUPR>. { }
<IFDEF_FALSE,IFDEF_SUPR>\n { istack->lineno += 1; fputc('\n', yyout); }
<IFDEF_FALSE,IFDEF_TRUE,IFDEF_SUPR>^{W}?`endif.* {
<IFDEF_FALSE,IFDEF_TRUE,IFDEF_SUPR>^{W}?`endif {
yy_pop_state();
}