[PATCH] [Analyzer] Individual options for checkers #2

[Gábor Horváth]

Thank you for the review.

Changes since last revision:

- Improved the comments as you recommended.
- Added a public function to query options as string values and appropriate test cases.
- Added some more test cases to package and checker options.
- Added more context to the diff.
- Updated to current head.

Regarding the options validation on the frontend:
Indeed, it would be nicer to use a clang method to check if a string is an identifier however I did not found a nice way to do that. The only way I came up with was to create a raw lexer and lex the option string. If you consider that better than using a RegEx I will alter the patch accordingly.


http://reviews.llvm.org/D7905

Files:
  include/clang/Basic/DiagnosticDriverKinds.td
  include/clang/StaticAnalyzer/Core/AnalyzerOptions.h
  lib/Frontend/CompilerInvocation.cpp
  lib/StaticAnalyzer/Checkers/Checkers.td
  lib/StaticAnalyzer/Checkers/MallocChecker.cpp
  lib/StaticAnalyzer/Core/AnalyzerOptions.cpp
  test/Analysis/free.c
  test/Analysis/malloc-annotations.c
  test/Analysis/outofbound.c
  test/Analysis/undef-buffers.c
  unittests/CMakeLists.txt
  unittests/Makefile
  unittests/StaticAnalyzer/AnalyzerOptionsTest.cpp
  unittests/StaticAnalyzer/CMakeLists.txt
  unittests/StaticAnalyzer/Makefile

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