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Mark Wielaard 9eea5d2ddf Provide diagnostic hints for missing C inttypes.h string constants.
This adds a flag to c_parser so we know when we were trying to
construct a string literal. If there is a parse error and we were
constructing a string literal, and the next token is an unknown
identifier name, and we know there is a standard header that defines
that name as a string literal, then add a missing header hint to
the error messsage.

The list of macro names are also used when providing a hint for
missing identifiers.

gcc/c-family/ChangeLog:

	* known-headers.cc (get_string_macro_hint): New function.
	(get_stdlib_header_for_name): Use get_string_macro_hint.
	(get_c_stdlib_header_for_string_macro_name): New function.
	* known-headers.h (get_c_stdlib_header_for_string_macro_name):
	New function declaration.

gcc/c/ChangeLog:

	* c-parser.c (struct c_parser): Add seen_string_literal
	bitfield.
	(c_parser_consume_token): Reset seen_string_literal.
	(c_parser_error_richloc): Add name_hint if seen_string_literal
	and next token is a CPP_NAME and we have a missing header
	suggestion for the name.
	(c_parser_string_literal): Set seen_string_literal.

gcc/testsuite/ChangeLog:

	* gcc.dg/spellcheck-inttypes.c: New test.
	* g++.dg/spellcheck-inttypes.C: Likewise.
2020-06-04 01:22:52 +02:00
config Daily bump. 2020-05-30 00:16:27 +00:00
contrib Daily bump. 2020-06-03 00:16:34 +00:00
fixincludes
gcc Provide diagnostic hints for missing C inttypes.h string constants. 2020-06-04 01:22:52 +02:00
gnattools
gotools
include Do not use HAVE_DOS_BASED_FILE_SYSTEM for Cygwin. 2020-04-17 09:22:51 +02:00
INSTALL
intl intl: Unbreak intl build with bison 3 when no regeneration is needed [PR92008] 2020-04-16 11:55:00 +02:00
libada
libatomic Daily bump. 2020-06-02 00:16:25 +00:00
libbacktrace Daily bump. 2020-05-30 00:16:27 +00:00
libcc1 Daily bump. 2020-05-30 00:16:27 +00:00
libcpp Daily bump. 2020-05-30 00:16:27 +00:00
libdecnumber Daily bump. 2020-05-30 00:16:27 +00:00
libffi libffi/test: Fix compilation for build sysroot 2020-04-25 21:27:14 +01:00
libgcc gcov: Fix build on AIX 2020-06-03 08:12:50 +02:00
libgfortran Daily bump. 2020-06-02 00:16:25 +00:00
libgo libgo: update x/sys/cpu after gccgo support added 2020-05-25 13:43:44 -07:00
libgomp Daily bump. 2020-06-03 00:16:34 +00:00
libhsail-rt
libiberty Daily bump. 2020-05-30 00:16:27 +00:00
libitm Daily bump. 2020-05-30 00:16:27 +00:00
libobjc Daily bump. 2020-05-30 00:16:27 +00:00
liboffloadmic Add missing ChangeLog entries. 2020-05-05 16:10:13 +02:00
libphobos Daily bump. 2020-05-30 00:16:27 +00:00
libquadmath Daily bump. 2020-05-30 00:16:27 +00:00
libsanitizer Daily bump. 2020-06-03 00:16:34 +00:00
libssp Daily bump. 2020-05-30 00:16:27 +00:00
libstdc++-v3 Daily bump. 2020-06-03 00:16:34 +00:00
libvtv Daily bump. 2020-05-30 00:16:27 +00:00
lto-plugin Daily bump. 2020-05-30 00:16:27 +00:00
maintainer-scripts Daily bump. 2020-05-30 00:16:27 +00:00
zlib Daily bump. 2020-05-30 00:16:27 +00:00
.dir-locals.el
.gitattributes
.gitignore
ABOUT-NLS
ar-lib
ChangeLog Daily bump. 2020-05-29 00:16:23 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
compile
config-ml.in
config.guess
config.rpath
config.sub
configure jit: port libgccjit to Windows 2020-05-28 14:43:58 -04:00
configure.ac jit: port libgccjit to Windows 2020-05-28 14:43:58 -04:00
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.RUNTIME
depcomp
install-sh
libtool-ldflags
libtool.m4
lt~obsolete.m4
ltgcc.m4
ltmain.sh Do not use HAVE_DOS_BASED_FILE_SYSTEM for Cygwin. 2020-04-17 09:22:51 +02:00
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS MAINTAINERS: Add myself for write after approval. 2020-05-18 12:21:17 +01:00
Makefile.def Merge top-level configury changes from gdb 2020-04-09 06:52:55 -06:00
Makefile.in Merge top-level configury changes from gdb 2020-04-09 06:52:55 -06:00
Makefile.tpl
missing
mkdep
mkinstalldirs
move-if-change
multilib.am
README
symlink-tree
test-driver
ylwrap

This directory contains the GNU Compiler Collection (GCC).

The GNU Compiler Collection is free software.  See the files whose
names start with COPYING for copying permission.  The manuals, and
some of the runtime libraries, are under different terms; see the
individual source files for details.

The directory INSTALL contains copies of the installation information
as HTML and plain text.  The source of this information is
gcc/doc/install.texi.  The installation information includes details
of what is included in the GCC sources and what files GCC installs.

See the file gcc/doc/gcc.texi (together with other files that it
includes) for usage and porting information.  An online readable
version of the manual is in the files gcc/doc/gcc.info*.

See http://gcc.gnu.org/bugs/ for how to report bugs usefully.

Copyright years on GCC source files may be listed using range
notation, e.g., 1987-2012, indicating that every year in the range,
inclusive, is a copyrightable year that could otherwise be listed
individually.