[PATCH] Add diagnostic capabilities in LLVM (frontend part)

[Quentin Colombet]

  I’ve figured out the problem with inline asm repetition. but I still need direction for the warning with no locations.
  More specifically, -verify says:
  error: 'warning' diagnostics expected but not seen:
    File test/Frontend/backend-diagnostic.c Line 20: stack size exceeded ({{[0-9]+}}) in stackSizeWarning
    File test/Frontend/backend-diagnostic.c Line 27: stack size exceeded ({{[0-9]+}}) in inlineAsmError
  error: 'warning' diagnostics seen but not expected:
    (frontend): stack size exceeded (108) in stackSizeWarning
    (frontend): stack size exceeded (112) in inlineAsmError
  4 errors generated.

  How can I match those '(frontend):’?

  Thanks,
  -Quentin

Hi gribozavr, hfinkel,

http://llvm-reviews.chandlerc.com/D2430

CHANGE SINCE LAST DIFF
  http://llvm-reviews.chandlerc.com/D2430?vs=6907&id=6909#toc

Files:
  include/clang/Basic/DiagnosticCategories.td
  include/clang/Basic/DiagnosticFrontendKinds.td
  include/clang/Basic/DiagnosticGroups.td
  lib/CodeGen/CodeGenAction.cpp
  test/Frontend/backend-diagnostic.c
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