Sorry, why can't you do that in php?
On Tue, 27 Nov 2001, Adam Wright wrote:
> But in C, you can #if 0 whole blocks out regardless. I'm in favour of a
> change like this (if not this specific one) in 4.2.
>
> adamw
>
> ----- Original Message -----
> From: "Andi Gutmans" <[EMAIL PROTECTED]>
> To: "Anders Johannsen" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
> Sent: Tuesday, November 27, 2001 5:21 PM
> Subject: Re: [PHP-DEV] Patch: Nested comments
>
>
> > I don't think this should be changed and we should stick to the way it is
> > in C. (It is also not BC and even if I thought it's a good idea, which I
> > don't, I don't think it's worth it).
> >
> > Andi
> >
> > At 11:48 AM 11/27/2001 +0100, Anders Johannsen wrote:
> > >This patch allows for nested 'C-style' comments, which can be useful
> > >especially while debugging.
> > >
> > > <?php
> > > /* comments
> > > /* now /* nest */ */
> > >
> > > /*/*/*/*
> > > */*/*/*/
> > > */
> > > ?>
> > >
> > >Since comments are handled purely lexical, there should be virtually no
> > >performance hit.
> > >
> > >The following two examples show how errors are handled:
> > >
> > >1)
> > > <?php
> > > /*
> > > */
> > > */
> > > ?>
> > >
> > >2)
> > > <?php
> > > /*
> > > /*
> > > */
> > > ?>
> > >
> > >Ad 1) This will yield a zend_error(E_COMPILE_ERROR,"Invalid nesting of
> > >comments") on the
> > >last line. Unpatched, a parse error is the most likely result.
> > >
> > >Ad 2) A zend_error(E_COMPILE_WARNING, "unterminated comment starting line
> > >%d", CG(comment_start_line)) is raised.
> > >
> > >The attached patch is against latest CVS
> > >
> > >Best regards,
> > >Anders Johannsen
> > >--
> > >[EMAIL PROTECTED]
> > >
> > >Index: zend_globals.h
> > >===================================================================
> > >RCS file: /repository/Zend/zend_globals.h,v
> > >retrieving revision 1.80
> > >diff -u -r1.80 zend_globals.h
> > >--- zend_globals.h 2001/10/23 01:19:16 1.80
> > >+++ zend_globals.h 2001/11/27 10:08:06
> > >@@ -82,6 +82,7 @@
> > > int comment_start_line;
> > > char *heredoc;
> > > int heredoc_len;
> > >+ unsigned int comment_nest_level;
> > >
> > > zend_op_array *active_op_array;
> > >
> > >Index: zend_language_scanner.l
> > >===================================================================
> > >RCS file: /repository/Zend/zend_language_scanner.l,v
> > >retrieving revision 1.40
> > >diff -u -r1.40 zend_language_scanner.l
> > >--- zend_language_scanner.l 2001/09/22 00:06:27 1.40
> > >+++ zend_language_scanner.l 2001/11/27 10:08:07
> > >@@ -1,5 +1,4 @@
> > > %{
> > >-
> > > /*
> > >
> > >+----------------------------------------------------------------------+
> > > | Zend
> > >Engine |
> > >@@ -125,6 +124,7 @@
> > > {
> > > CG(heredoc) = NULL;
> > > CG(heredoc_len)=0;
> > >+ CG(comment_nest_level)=0;
> > > }
> > >
> > >
> > >@@ -1057,24 +1057,39 @@
> > > }
> > > }
> > >
> > >+<ST_IN_SCRIPTING>"*/" {
> > >+ zend_error(E_COMPILE_ERROR,"Invalid nesting of comments");
> > >+}
> > >+
> > > <ST_IN_SCRIPTING>"/*" {
> > > CG(comment_start_line) = CG(zend_lineno);
> > > BEGIN(ST_COMMENT);
> > >+ CG(comment_nest_level) = 1;
> > > yymore();
> > > }
> > >
> > >-
> > >-<ST_COMMENT>[^*]+ {
> > >+<ST_COMMENT>[^/*]+ {
> > > yymore();
> > > }
> > >
> > >+<ST_COMMENT>"/*" {
> > >+ CG(comment_nest_level)++;
> > >+ yymore();
> > >+}
> > >+
> > > <ST_COMMENT>"*/" {
> > >- HANDLE_NEWLINES(yytext, yyleng);
> > >- BEGIN(ST_IN_SCRIPTING);
> > >- return T_COMMENT;
> > >+ CG(comment_nest_level)--;
> > >+
> > >+ if (CG(comment_nest_level) == 0) {
> > >+ HANDLE_NEWLINES(yytext, yyleng);
> > >+ BEGIN(ST_IN_SCRIPTING);
> > >+ return T_COMMENT;
> > >+ } else {
> > >+ yymore();
> > >+ }
> > > }
> > >
> > >-<ST_COMMENT>"*" {
> > >+<ST_COMMENT>"*"|"/" {
> > > yymore();
> > > }
> > >
> > >
> > >
> > >
> > >
> > >--
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>
>
--
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