f8710242d3
* cpp.texi: Update for handling of charconsts. * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update diagnostics. Skip to the end if the UCS is too short. (cpp_interpret_charconst): Long charconsts issue a warning not an error. * gcc.dg/cpp/charconst.c: New tests. * gcc.dg/cpp/escape.c: New tests. * gcc.dg/cpp/escape-1.c: New tests. * gcc.dg/cpp/escape-2.c: New tests. * gcc.dg/cpp/ucs.c: New tests. From-SVN: r42514
26 lines
818 B
C
26 lines
818 B
C
/* Copyright (C) 2001 Free Software Foundation, Inc. */
|
|
|
|
/* { dg-do compile } */
|
|
/* { dg-options "-Wtraditional -std=c89 -fno-show-column" } */
|
|
|
|
/* This tests various diagnostics with -Wtraditioanl about escape
|
|
sequences, for both the preprocessor and the compiler.
|
|
|
|
Neil Booth, 22 May 2001. */
|
|
|
|
#if '\a' /* { dg-warning "traditional" "traditional bell" } */
|
|
#endif
|
|
#if '\x1a' != 26 /* { dg-warning "traditional" "traditional hex" } */
|
|
#error bad hex /* { dg-bogus "bad" "bad hexadecimal evaluation" } */
|
|
#endif
|
|
#if '\u' /* { dg-warning "unknown" "\u is unknown in C89" } */
|
|
#endif
|
|
|
|
void foo ()
|
|
{
|
|
int c = '\a'; /* { dg-warning "traditional" "traditional bell" } */
|
|
|
|
c = '\xa1'; /* { dg-warning "traditional" "traditional hex" } */
|
|
c = '\u'; /* { dg-warning "unknown" "\u is unknown in C89" } */
|
|
}
|