Make CompilerInstance::InitializeSourceManager accept a FrontendInputFile,
no functionality change.

llvm-svn: 167626

When loading a module fails because it is out of date, rebuild that
module in place. <rdar://problem/10138913>

llvm-svn: 167539

Frontend: Add support for reading named pipes as the main file.

- The whole {File,Source}Manager is built around wanting to pre-determine the
size of files, so we can't fit this in naturally. In

Frontend: Add support for reading named pipes as the main file.

- The whole {File,Source}Manager is built around wanting to pre-determine the
size of files, so we can't fit this in naturally. Instead, we handle it like
we do STDIN, where we just replace the main file contents upfront.

llvm-svn: 167419

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[PCH] Remove the stat cache from the PCH file.

The stat cache became essentially useless ever since we started
validating all file entries in the PCH.
But the motivating reason for removing it now i

[PCH] Remove the stat cache from the PCH file.

The stat cache became essentially useless ever since we started
validating all file entries in the PCH.
But the motivating reason for removing it now is that it also affected
correctness in this situation:

-You have a header without include guards (using "#pragma once" or #import)
-When creating the PCH:
-The same header is referenced in an #include with different filename cases.
-In the PCH, of course, we record only one file entry for the header file
-But we cache in the PCH file the stat info for both filename cases

-Then the source files are updated and the header file is updated in a way that
its size and modification time are the same but its inode changes

-When using the PCH:
-We validate the headers, we check that header file and we create a file entry with its current inode
-There's another #include with a filename with different case than the previously created file entry
-In order to get its stat info we go through the cached stat info of the PCH and we receive the old inode
-because of the different inodes, we think they are different files so we go ahead and include its contents.

Removing the stat cache will potentially break clients that are attempting to use the stat cache
as a way of avoiding having the actual input files available. If that use case is important, patches are welcome
to bring it back in a way that will actually work correctly (i.e., emit a PCH that is self-contained, coping with
literal strings, line/column computations, etc.).

This fixes rdar://5502805

llvm-svn: 167172

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Decouple code-completion for the SkipFunctionBodies frontend option and
add a test to make sure code-completion skips bodies.

llvm-svn: 167141

Teach the preprocessor to hold onto the preprocessor options.

llvm-svn: 166599

Move HeaderSearchOptions into the Lex library, make it intrusively
reference-counted, and hold a reference to it in HeaderSearch.

llvm-svn: 166583

Make DiagnosticOptions intrusively reference-counted, and make sure
the various stakeholders bump up the reference count. In particular,
the diagnostics engine now keeps the DiagnosticOptions object

Make DiagnosticOptions intrusively reference-counted, and make sure
the various stakeholders bump up the reference count. In particular,
the diagnostics engine now keeps the DiagnosticOptions object alive.

llvm-svn: 166508

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Allow clients of the AST reader to specify what kinds of AST load
failures they know how to tolerate, e.g., out-of-date input files or
configuration/version mismatches. Suppress the corresponding
dia

Allow clients of the AST reader to specify what kinds of AST load
failures they know how to tolerate, e.g., out-of-date input files or
configuration/version mismatches. Suppress the corresponding
diagnostics if the client can handle it.

No clients actually use this functionality, yet.

llvm-svn: 166449

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Distinguish the various kinds of AST file loading failures:
file corruption, compiler version mismatch, target/language
configuration mismatch, out-of-date AST file. No functionality change
yet.

llv

Distinguish the various kinds of AST file loading failures:
file corruption, compiler version mismatch, target/language
configuration mismatch, out-of-date AST file. No functionality change
yet.

llvm-svn: 166446

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Make sure temporary files are deleted when recovering from a crash when compiling modules.

llvm-svn: 165911

Delete temporary output files when an error occurs during PCH reading.

This reduces the spam make test leaves behind in /tmp. The assert isn't
particularly useful because it's not run with -disable-

Delete temporary output files when an error occurs during PCH reading.

This reduces the spam make test leaves behind in /tmp. The assert isn't
particularly useful because it's not run with -disable-free (the default when
using the clang driver) but should cover all -cc1 tests.

llvm-svn: 165910

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Rework the (de-)serialization of macros, as stored in
MacroInfo*. Instead of simply dumping an offset into the current file,
give each macro definition a proper ID with all of the standard
modules-re

Rework the (de-)serialization of macros, as stored in
MacroInfo*. Instead of simply dumping an offset into the current file,
give each macro definition a proper ID with all of the standard
modules-remapping facilities. Additionally, when a macro is modified
in a subsequent AST file (e.g., #undef'ing a macro loaded from another
module or from a precompiled header), provide a macro update record
rather than rewriting the entire macro definition. This gives us
greater consistency with the way we handle declarations, and ties
together macro definitions much more cleanly.

Note that we're still not actually deserializing macro history (we
never were), but it's far easy to do properly now.

llvm-svn: 165560

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Introduce ASTConsumer::HandleImplicitImportDecl() callback that is invoked
when an ImportDecl that was implicitly created due to an inclusion directive.

llvm-svn: 165084

In the Module class, add a reference to the corresponding AST file.

llvm-svn: 164873

Add a new libclang completion API to get brief documentation comment that is
attached to a declaration in the completion string.

Since extracting comments isn't free, a new code completion option is

Add a new libclang completion API to get brief documentation comment that is
attached to a declaration in the completion string.

Since extracting comments isn't free, a new code completion option is
introduced.

A new code completion option that enables including brief comments
into CodeCompletionString should be a, err, code completion option.
But because ASTUnit caches global declarations during parsing before
even completion consumer is created, the option is duplicated as a
translation unit option (in both libclang and ASTUnit, like the option
to cache code completion results).

llvm-svn: 159539

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Pulls diagnostics for temp file handling into the common diagnostic kinds.

llvm-svn: 156947

For final output files create them with mode 0664 to match other
compilers and expected defaults.

Part of rdar://11325849

llvm-svn: 156592

Remove variables made dead by r155923

This makes Clang's build warning free again.

llvm-svn: 155928

Remove dead code found by static analyzer.

llvm-svn: 155923

objective-c modern translator: buildit objc bool
type for rewriter project will be BoolTy.
// rdar://11231426.

llvm-svn: 154861

Changed all direct calls to CompletionConsumer.reset(..) to go call
CompilerInstance::setCodeCompletionConsumer instead, in order to change
the SkipFunctionBodies flag accordingly. Also fixed
setCode

Changed all direct calls to CompletionConsumer.reset(..) to go call
CompilerInstance::setCodeCompletionConsumer instead, in order to change
the SkipFunctionBodies flag accordingly. Also fixed
setCodeCompletionConsumer to take a reset() to null into account.

llvm-svn: 154585

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Added a flag to the parser to skip method bodies.

llvm-svn: 154584

[PCH] Mark a PCH file with a flag to indicate if the serialized AST had
compiler errors or not.

-Control whether ASTReader should reject such a PCH by a boolean flag at ASTReader's creation time.
By

[PCH] Mark a PCH file with a flag to indicate if the serialized AST had
compiler errors or not.

-Control whether ASTReader should reject such a PCH by a boolean flag at ASTReader's creation time.
By default, such a PCH file will be rejected with an error when trying to load it.

[libclang] Allow clang_saveTranslationUnit to create a PCH file even if compiler errors
occurred.
-Have libclang API calls accept a PCH that had compiler errors.

The general idea is that we want libclang to stay functional even if a PCH had a compiler error.
rdar://10976363.

llvm-svn: 152192

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[preprocessor] Enhance PreprocessingRecord to keep track of locations of conditional directives.

Introduce PreprocessingRecord::rangeIntersectsConditionalDirective() which returns
true if a given ra

[preprocessor] Enhance PreprocessingRecord to keep track of locations of conditional directives.

Introduce PreprocessingRecord::rangeIntersectsConditionalDirective() which returns
true if a given range intersects with a conditional directive block.

llvm-svn: 152018

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