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Make C style comments work in false/suppressed ifdef/etc. blocks. 

C style comments were not recognized as comments in false or
suppressed sections of ifdef/etc. blocks. This prohibited an
unneeded endif/else/etc. from being commented out with this
style of comment.
This commit is contained in:
Cary R 2007-08-24 11:58:27 -07:00 committed by Stephen Williams
parent 347ba8bc29
commit 3f6ea1d587
1 changed files with 10 additions and 0 deletions
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10
ivlpp/lexor.lex
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@ -149,6 +149,7 @@ static int comment_enter = 0;
%x PPINCLUDE
%x PPDEFINE
%x CCOMMENT
%x IFCCOMMENT
%x PCOMENT
%x CSTRING
%x ERROR_LINE
@ -338,6 +339,15 @@ W [ \t\b\f]+
<IFDEF_SUPR>`else { }
<IFDEF_FALSE,IFDEF_SUPR>"//"[^\r\n]* { }
<IFDEF_FALSE,IFDEF_SUPR>"/*" { comment_enter = YY_START; BEGIN(IFCCOMMENT); }
<IFCCOMMENT>[^\r\n] { }
<IFCCOMMENT>\n\r { istack->lineno += 1; }
<IFCCOMMENT>\r\n { istack->lineno += 1; }
<IFCCOMMENT>\n { istack->lineno += 1; }
<IFCCOMMENT>\r { istack->lineno += 1; }
<IFCCOMMENT>"*/" { BEGIN(comment_enter); }
<IFDEF_FALSE,IFDEF_SUPR>[^\r\n] { }
<IFDEF_FALSE,IFDEF_SUPR>\n\r { istack->lineno += 1; fputc('\n', yyout); }
<IFDEF_FALSE,IFDEF_SUPR>\r\n { istack->lineno += 1; fputc('\n', yyout); }