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Handle comments in various start states.

This commit is contained in:
steve 1999-06-22 03:59:37 +00:00
parent ddef533089
commit 38148ba322
1 changed files with 8 additions and 4 deletions
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12
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)
#ident "$Id: lexor.lex,v 1.26 1999/06/22 03:46:08 steve Exp $"
#ident "$Id: lexor.lex,v 1.27 1999/06/22 03:59:37 steve Exp $"
#endif
//# define YYSTYPE lexval
@ -51,9 +51,11 @@ static verinum*make_unsized_dec(const char*txt);
static verinum*make_unsized_octal(const char*txt);
static verinum*make_unsized_hex(const char*txt);
static int comment_enter;
%}
%x CCOMMENT
%x LCOMMENT
%x CSTRING
%s UDPTABLE
%x PPINCLUDE
@ -64,12 +66,14 @@ static verinum*make_unsized_hex(const char*txt);
[ \t\b\f\r] { ; }
\n { yylloc.first_line += 1; }
"//".* { ; }
"//".* { comment_enter = YY_START; BEGIN(LCOMMENT); }
<LCOMMENT>. { yymore(); }
<LCOMMENT>\n { yylloc.first_line += 1; BEGIN(comment_enter); }
"/*" { BEGIN(CCOMMENT); }
"/*" { comment_enter = YY_START; BEGIN(CCOMMENT); }
<CCOMMENT>. { yymore(); }
<CCOMMENT>\n { yylloc.first_line += 1; yymore(); }
<CCOMMENT>"*/" { BEGIN(0); }
<CCOMMENT>"*/" { BEGIN(comment_enter); }
"<<" { return K_LS; }
">>" { return K_RS; }