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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. |
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cpplib.h | ||
label-text.h | ||
line-map.h | ||
mkdeps.h | ||
rich-location.h | ||
symtab.h |