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Note that we don't do anything useful with identifier infos yet
and don't emit the tokens that the macros are defined to.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68797 91177308-0d34-0410-b5e6-96231b3b80d8
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cleanup. Aside from a minor tweak to the PCH file format, no
functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68793 91177308-0d34-0410-b5e6-96231b3b80d8
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improvement, source locations read from the PCH file will properly
resolve to the source files that were used to build the PCH file
itself.
Once we have the preprocessor state stored in the PCH file, source
locations that refer to macro instantiations that occur in the PCH
file should have the appropriate instantiation information.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68758 91177308-0d34-0410-b5e6-96231b3b80d8
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de-serialization of abstract syntax trees.
PCH support serializes the contents of the abstract syntax tree (AST)
to a bitstream. When the PCH file is read, declarations are serialized
as-needed. For example, a declaration of a variable "x" will be
deserialized only when its VarDecl can be found by a client, e.g.,
based on name lookup for "x" or traversing the entire contents of the
owner of "x".
This commit provides the framework for serialization and (lazy)
deserialization, along with support for variable and typedef
declarations (along with several kinds of types). More
declarations/types, along with important auxiliary structures (source
manager, preprocessor, etc.), will follow.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68732 91177308-0d34-0410-b5e6-96231b3b80d8
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