[PATCH] D17959: Make it possible for AST plugins to enable themselves by default

[John Brawn via cfe-commits]

john.brawn created this revision.
john.brawn added reviewers: klimek, kfunk, milianw, rsmith.
john.brawn added a subscriber: cfe-commits.
john.brawn set the repository for this revision to rL LLVM.

Currently when an AST plugin is loaded it must then be enabled by passing -plugin pluginname or -add-plugin pluginname to the -cc1 command line. This patch adds a method to PluginASTAction which allows it to declare that the action happens before, instead of, or after the main AST action, plus the relevant changes to make the plugin action happen at that time automatically.

Note: patch was written before I noticed D15729, and probably needs adjusting to work with that.

Repository:
  rL LLVM

http://reviews.llvm.org/D17959

Files:
  docs/ClangPlugins.rst
  examples/AnnotateFunctions/AnnotateFunctions.cpp
  examples/AnnotateFunctions/CMakeLists.txt
  examples/CMakeLists.txt
  include/clang/Frontend/FrontendAction.h
  include/clang/Frontend/FrontendOptions.h
  lib/Frontend/CompilerInvocation.cpp
  lib/Frontend/FrontendAction.cpp
  lib/FrontendTool/ExecuteCompilerInvocation.cpp
  test/Frontend/plugin-annotate-functions.c

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