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Support $ in preprocessor identifiers.

This commit is contained in:
steve 2002-09-11 19:42:37 +00:00
parent 0277035496
commit 70a7513781
1 changed files with 6 additions and 6 deletions
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12
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 1.32 2002/04/04 05:26:13 steve Exp $"
#ident "$Id: lexor.lex,v 1.33 2002/09/11 19:42:37 steve Exp $"
#endif
# include "config.h"
@ -170,7 +170,7 @@ W [ \t\b\f]+
directive and the name, go into PPDEFINE mode and prepare to
collect the defined value. */
`define{W}[a-zA-Z_][a-zA-Z0-9_]*{W}? { yy_push_state(PPDEFINE); def_start(); }
`define{W}[a-zA-Z_][a-zA-Z0-9_$]*{W}? { yy_push_state(PPDEFINE); def_start(); }
<PPDEFINE>.* {
do_define();
@ -194,7 +194,7 @@ W [ \t\b\f]+
yy_pop_state();
}
`undef{W}[a-zA-Z_][a-zA-Z0-9_]*{W}?.* { def_undefine(); }
`undef{W}[a-zA-Z_][a-zA-Z0-9_$]*{W}?.* { def_undefine(); }
/* Detect conditional compilation directives, and parse them. If I
@ -206,7 +206,7 @@ W [ \t\b\f]+
condition that stacks on top of the IFDEF_FALSE so that output is
not accidentally turned on within nested ifdefs. */
^{W}?`ifdef{W}[a-zA-Z_][a-zA-Z0-9_]* {
^{W}?`ifdef{W}[a-zA-Z_][a-zA-Z0-9_$]* {
char*name = strchr(yytext, '`');
assert(name);
name += 6;
@ -219,7 +219,7 @@ W [ \t\b\f]+
}
}
^{W}?`ifndef{W}[a-zA-Z_][a-zA-Z0-9_]* {
^{W}?`ifndef{W}[a-zA-Z_][a-zA-Z0-9_$]* {
char*name = strchr(yytext, '`');
assert(name);
name += 7;
@ -247,7 +247,7 @@ W [ \t\b\f]+
}
/* This pattern notices macros and arranges for them to be replaced. */
`[a-zA-Z][a-zA-Z0-9_]* { def_match(); }
`[a-zA-Z][a-zA-Z0-9_$]* { def_match(); }
/* Any text that is not a directive just gets passed through to the
output. Very easy. */