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Article #2473

translation phases

#2473
From: Daniel Edelson
Date: Fri, 22 Feb 1991 18:24
35 lines
1357 bytes
Can someone please tell me if this is a correct interpretation
of section 2.1.1.2 of the standard. (I apologize if this is something
that has been thrashed to death already in this newsgroup.)

According to the translation phases, line splicing occurs before
escape sequence replacement. Therefore, a '\\newline' sequence
in a character or string constant should translate to a single
backslash. This will be a syntax error unless it is part of
a valid escape sequence.

In particular:

char msg[] = "\\
t";

This should translate to:

msg[0] = '9';   /* tab */
msg[1] = '0';   /* null sentinel */

rather than

msg[0] = '92';  /* backslash */
msg[1] = '10';  /* newline */
msg[2] = '116'; /* `t' */
msg[3] = '0';   /* null sentinel */


Thanks,

Daniel Edelson
uunet!peren!daniel
 or
daniel@cis.ucsc.edu
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From: daniel@terra.ucsc.edu (Daniel Edelson)
Newsgroups: comp.std.c
Subject: translation phases
Message-ID: <12696@darkstar.ucsc.edu>
Date: 22 Feb 91 18:24:41 GMT
Sender: usenet@darkstar.ucsc.edu
Reply-To: daniel@terra.ucsc.edu (Daniel Edelson)
Organization: University of California, Santa Cruz
Lines: 35