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path: root/lib/Frontend/PCHReader.cpp
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2009-04-14Change Lexer::MeasureTokenLength to take a LangOptions reference.Chris Lattner
This allows it to accurately measure tokens, so that we get: t.cpp:8:13: error: unknown type name 'X' static foo::X P; ~~~~~^ instead of the woefully inferior: t.cpp:8:13: error: unknown type name 'X' static foo::X P; ~~~~ ^ Most of this is just plumbing to push the reference around. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69099 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-14Add PCH support for PredefinedExpr and FloatingLiteral expressionsDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69084 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-14PCH support for a few very, very simple kinds of expressions. Hook upDouglas Gregor
expression (de-)serialization for VLAs, variable initializers, enum constant initializers, and bitfield widths. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69075 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-14When writing a PCH file, keep track of all of the non-static,Douglas Gregor
non-inline external definitions (and tentative definitions) that are found at the top level. The corresponding declarations are stored in a record in the PCH file, so that they can be provided to the ASTConsumer (via HandleTopLevelDecl) when the PCH file is read. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69005 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13Partial PCH support for FileScopeAsmDecl and BlockDecl. Both requireDouglas Gregor
expression or statement serialization before we can test them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69002 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13PCH support for functions and their parameters.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68997 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13PCH support for record decls/types and their fields. Now that we canDouglas Gregor
handle the definition of __builtin_va_list on x86-64, eliminate the forced -triple in PCH tests to get better coverage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68988 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13Print the number (and percentage) of identifiers read from the PCH file as ↵Douglas Gregor
part of its statistics git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68985 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13Introduce PCH (de-)serialization for most compound types, excludingDouglas Gregor
Objective-C types and record types for the moment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68984 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13Add PCH support for enumerations and enumerators.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68974 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13Make the reading of the line table from a PCH file more robust againstDouglas Gregor
the unlikely event that the filename IDs in the stored line table end up being different from the filename IDs in the newly-created line table. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68965 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13Include the SourceManager's line table in the PCH file. We can nowDouglas Gregor
properly cope with #line directives in PCH files. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68963 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-13implement the microsoft/gnu "__COUNTER__" macro: rdar://4329310Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68933 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-11now that we have an identifier table in the PCH file, finish hooking upChris Lattner
macro deserialization. We now correctly install II's in tokens, handle function-like macros, etc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68882 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-11Store unique IDs for identifiers in the PCH file. Use some bitmanglingDouglas Gregor
so that we only need to perform the lookup and identifier resolution once per identifier in the PCH file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68846 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10Compare the predefines buffer in the PCH file with the predefinesDouglas Gregor
buffer generated for the current translation unit. If they are different, complain and then ignore the PCH file. This effectively checks for all compilation options that somehow would affect preprocessor state (-D, -U, -include, the dreaded -imacros, etc.). When we do accept the PCH file, throw away the contents of the predefines buffer rather than parsing them, since all of the results of that parsing are already stored in the PCH file. This eliminates the ugliness with the redefinition of __builtin_va_list, among other things. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68838 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10do a dance with predefines, and finally enable reading of macros fromChris Lattner
PCH. This works now, except for limitations not being able to do things with identifiers. The basic example in the testcase works though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68832 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10add support for reading macros. This does all the reading (with a bunch ofChris Lattner
fixme's, e.g. for tokens with identifiers) but does not actually install them. Some details with the predefines buffer needs to be sorted out first. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68828 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10Encode the target triple in the PCH file, and check that target triple when ↵Douglas Gregor
using the PCH file git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68824 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10Implement serialization/deserialization of LangOptions in the PCHDouglas Gregor
file. When de-serializing LangOptions, we check that the currently-provided language options are consistent with the options used to compile the PCH file. If they are not, we emit a diagnostic and ignore the PCH file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68820 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10Various minor fixes to PCH reading and writing, with generalDouglas Gregor
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
2009-04-10PCH serialization/deserialization of the source manager. With thisDouglas Gregor
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
2009-04-09Implementation of pre-compiled headers (PCH) based on lazyDouglas Gregor
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