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Jakub Jelinek eb45d151fa c: Implement C2Y N3298 - Introduce complex literals [PR117029] 
The following patch implements the C2Y N3298 paper Introduce complex literals
by providing different (or no) diagnostics on imaginary constants (except
for integer ones).
For _DecimalN constants we don't support _Complex _DecimalN and error on any
i/j suffixes mixed with DD/DL/DF, so nothing changed there.

2024-11-13  Jakub Jelinek  <jakub@redhat.com>

	PR c/117029
libcpp/
	* include/cpplib.h (struct cpp_options): Add imaginary_constants
	member.
	* init.cc (struct lang_flags): Add imaginary_constants bitfield.
	(lang_defaults): Add column for imaginary_constants.
	(cpp_set_lang): Copy over imaginary_constants.
	* expr.cc (cpp_classify_number): Diagnose CPP_N_IMAGINARY
	non-CPP_N_FLOATING constants differently for C.
gcc/testsuite/
	* gcc.dg/cpp/pr7263-3.c: Adjust expected diagnostic wording.
	* gcc.dg/c23-imaginary-constants-1.c: New test.
	* gcc.dg/c23-imaginary-constants-2.c: New test.
	* gcc.dg/c23-imaginary-constants-3.c: New test.
	* gcc.dg/c23-imaginary-constants-4.c: New test.
	* gcc.dg/c23-imaginary-constants-5.c: New test.
	* gcc.dg/c23-imaginary-constants-6.c: New test.
	* gcc.dg/c23-imaginary-constants-7.c: New test.
	* gcc.dg/c23-imaginary-constants-8.c: New test.
	* gcc.dg/c23-imaginary-constants-9.c: New test.
	* gcc.dg/c23-imaginary-constants-10.c: New test.
	* gcc.dg/c2y-imaginary-constants-1.c: New test.
	* gcc.dg/c2y-imaginary-constants-2.c: New test.
	* gcc.dg/c2y-imaginary-constants-3.c: New test.
	* gcc.dg/c2y-imaginary-constants-4.c: New test.
	* gcc.dg/c2y-imaginary-constants-5.c: New test.
	* gcc.dg/c2y-imaginary-constants-6.c: New test.
	* gcc.dg/c2y-imaginary-constants-7.c: New test.
	* gcc.dg/c2y-imaginary-constants-8.c: New test.
	* gcc.dg/c2y-imaginary-constants-9.c: New test.
	* gcc.dg/c2y-imaginary-constants-10.c: New test.
	* gcc.dg/c2y-imaginary-constants-11.c: New test.
	* gcc.dg/c2y-imaginary-constants-12.c: New test.
2024-11-13 09:41:41 +01:00
..
cpplib.h c: Implement C2Y N3298 - Introduce complex literals [PR117029] 2024-11-13 09:41:41 +01:00
label-text.h libcpp: move label_text to its own header 2024-05-28 15:55:24 -04:00
line-map.h non-gcc: Remove trailing whitespace 2024-10-25 10:03:17 +02:00
mkdeps.h Update copyright years. 2024-01-03 12:19:35 +01:00
rich-location.h diagnostics: SARIF output: potentially add escaped renderings of source (§3.3.4) 2024-07-24 18:07:54 -04:00
symtab.h non-gcc: Remove trailing whitespace 2024-10-25 10:03:17 +02:00