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2011-12-09Move ChainedIncludesSource into the Frontend library. This never reallyChandler Carruth
belonged in the Serialization library, it's setting up a compilation, not just deserializing. This should fix PR11512, making Serialization actually be layered below Frontend, a long standing layering violation in Clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146233 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-09Move a free function from the Frontend library into the Lex library asChandler Carruth
part of HeaderSearch. This function just normalizes filenames for use inside of a synthetic include directive, but it is used in both the Frontend and Serialization libraries so it needs a common home. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146227 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-07Make changes to SDiagsWriter to make it work in combination with the ARC ↵Argyrios Kyrtzidis
migrator: -Allow it to be used with multiple BeginSourceFile/EndSourceFile calls; for this introduce a "finish" callback method in the DiagnosticConsumer. SDiagsWriter finishes up the serialization file inside this method. -Make it independent of any particular DiagnosticsEngine; make it use the SourceManager of the Diagnostic object. -Ignore null source ranges. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146020 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-07Initialize these values, fixing the build in cases where stack realignmentNick Lewycky
actually occurs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146013 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06Remove unused member to appease valgrind.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145956 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06Stack realignment is a tristate. Add -mno-stackrealign to turn off all stackNick Lewycky
realignment, even with locals with alignment exceeding the ABI guarantee. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145909 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05Add -mstack-alignment=X and fix -mstackrealign handling now that theJoerg Sonnenberger
backend options are gone. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145868 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-02When we treat an #include or #import as a module import, create anDouglas Gregor
implicit ImportDecl in the translation unit to record the presence of the import. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145727 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-01Introduce the notion of name visibility into modules. For a givenDouglas Gregor
(sub)module, all of the names may be hidden, just the macro names may be exposed (for example, after the preprocessor has seen the import of the module but the parser has not), or all of the names may be exposed. Importing a module makes its names, and the names in any of its non-explicit submodules, visible to name lookup (transitively). This commit only introduces the notion of name visible and marks modules and submodules as visible when they are imported. The actual name-hiding logic in the AST reader will follow (along with test cases). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145586 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Another GCC fixDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145542 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Promote ModuleMap::Module to a namespace-scope class in the BasicDouglas Gregor
library, since modules cut across all of the libraries. Rename serialization::Module to serialization::ModuleFile to side-step the annoying naming conflict. Prune a bunch of ModuleMap.h includes that are no longer needed (most files only needed the Module type). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145538 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Implement (de-)serialization of the description of a module and itsDouglas Gregor
submodules. This information will eventually be used for name hiding when dealing with submodules. For now, we only use it to ensure that the module "key" returned when loading a module will always be a module (rather than occasionally being a FileEntry). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145497 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30When writing a module file, pass the module through to the ASTDouglas Gregor
writer. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145479 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Teach the preprocessor how to handle module import declarations thatDouglas Gregor
involve submodules (e.g., importing std.vector), rather than always importing the top-level module. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145478 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30When loading a module that involves submodules (e.g., std.vector),Douglas Gregor
check whether the named submodules themselves are actually valid, and drill down to the named submodule (although we don't do anything with it yet). Perform typo correction on the submodule names when possible. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145477 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-30Switch the module-loading interfaces and parser from a simpleDouglas Gregor
top-level module name to a module path (e.g., std.vector). We're still missing a number of pieces for this actually to do something. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145462 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29Eliminate the -emit-module option, which emitted a module by parsing aDouglas Gregor
source file (e.g., a header). Immediately steal this useful option name for building modules from a module map file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145444 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28[libclang] Indexing API: If the client requested to get a CXTranslationUnit ↵Argyrios Kyrtzidis
after indexing, honor all the TU options. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145229 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28[libclang] Indexing API: Capture diagnostics during indexing.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145228 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22implement __has_feature(address_sanitizer); also use ↵Kostya Serebryany
LangOpts.AddressSanitizer instead of CodeGenOpts.AddressSanitizer git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Refine placement of LangOptions object in CompilerInvocation by adding a new ↵Ted Kremenek
baseclass CompilerInvocationBase with a custom copy constructor. This ensures that whenever the CompilerInvocation object's copy constructor is used we always clone the LangOptions object. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144973 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Change ASTConsumer::HandleTopLevelDecl to return true for the parser to continueArgyrios Kyrtzidis
parsing or false to abort parsing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144943 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-17Make 'LangOptions' in CompilerInvocation a heap-allocated, reference counted ↵Ted Kremenek
object. I discovered that llvm::RefCountedBase<T> has a bug where the reference count is copied in the copy constructor, which means that there were cases when the CompilerInvocation objects created by ASTUnit were actually leaked. When I fixed that bug locally, it showed that a whole bunch of code assumed that the LangOptions object that was part of CompilerInvocation was still alive. By making it heap-allocated and reference counted, we can keep it around after the CompilerInvocation object goes away. As part of this change, change CompilerInvocation:getLangOptions() to return a pointer, acting as another clue that this object may outlive the CompilerInvocation object. This commit doesn't fix the CompilerInvocation leak itself. That will come when I commit the fix to llvm::RefCountedBase<T> to mainline LLVM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144930 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16Add -f[no-]address-sanitizer flagKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144800 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-16Add support for building a module from a module map to the -cc1Douglas Gregor
interface. This is currently limited to modules with umbrella headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144736 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Revert r144703. It was a dumb idea anyway; will add the new bits moreDouglas Gregor
incrementally with a new frontend action. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144723 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Split GenerateModuleAction into its own action, which will startDouglas Gregor
differing from GeneratePCHAction fairly soon. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144703 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10serialized diagnostics: implement full deserialization of clang diagnostics ↵Ted Kremenek
via the libclang API. I've tested it on simple cases and it works. Test cases to follow as well as a few tweaks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144269 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-09Fixing 80 col violations (& removing any trailing whitespace on files I was ↵David Blaikie
touching anyway) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144171 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08serialized diagnostics: serialize the version info in a separate meta block.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144115 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Add two flags to the CC1 layer that I was hoping to avoid. We need toChandler Carruth
encode the *exact* semantics which the header search paths internally built by the Frontend layer have had, which is both non-user-provided, and at times adding the implicit extern "C" bit to the directory entry. There are lots of CC1 options that are very close, but none do quite this, and they are all already overloaded for other purposes. In some senses this makes the command lines more clean as it clearly indicates which flags are exclusively used to implement internal detection of "standard" header search paths. Lots of the implementation of this is really crufty, due to the surrounding cruft. It doesn't seem worth investing lots of time cleaning this up as it isn't new, and hopefully *lots* of this code will melt away as header search inside of the frontend becomes increasingly trivial. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143798 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05serialized diagnostics: include FixIt information in serialized diagnostics.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143776 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05serialized diagnostics: pull emission of filenames into diagnostic block.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143765 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05serialized diagnostics: emit source ranges.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143762 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Move definition of record/block IDs for serialized diagnostics to public header.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143761 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03[libclang] Add infrastructure to be able to only deserialize decls in a file ↵Argyrios Kyrtzidis
region and use it for clang_getCursor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143605 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Put a reference of the ASTReader in the ASTUnit.Argyrios Kyrtzidis
This is intended for direct access of the ASTReader for uses that make little sense to try to shoehorn in the ExternalASTSource interface. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143465 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Have the ASTUnit associate the local declarations that get parsed with the fileArgyrios Kyrtzidis
that contains them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-30Add support for lazily linking bitcode files (using a newPeter Collingbourne
-mlink-bitcode-file flag), and more generally llvm::Modules, before running optimisations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-29Start work on SerializedDiagnosticPrinter, a new DiagnosticConsumer that ↵Ted Kremenek
serializes out the diagnostics for a given translation unit to a bit code file. This is a WIP. The motivation for this new DiagnosticConsumer is to provide a way for tools invoking the compiler to get its diagnostics via a libclang interface, rather than textually parsing the compiler output. This gives us flexibility to change the compiler's textual output, but have a structured data format for clients to use to get the diagnostics via a stable API. I have no tests for this, but llvm-bcanalyzer so far shows that the emitted file is well-formed. More work to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143259 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27Move ASTUnit's handling of temporary files and the preamble file into a ↵Ted Kremenek
lazily-created static DenseMap. This DenseMap is cleared (and the files erased) via an atexit routine in the case an ASTUnit is not destroyed. Fixes <rdar://problem/10293367>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143115 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25[PCH] When visiting preprocessed entities, make it possible to avoid ↵Argyrios Kyrtzidis
deserializing preprocessed entities that are #included in the range that we are interested. This is useful when we are interested in preprocessed entities of a specific file, e.g when we are annotating tokens. There is also an optimization where we cache the last result of PreprocessingRecord::getPreprocessedEntitiesInRange and we re-use it if there is a call with the same range as before. rdar://10313365 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142887 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[libclang] Make sure we don't try to erase past the StoredDiagnostics vector.Argyrios Kyrtzidis
Ted came upon the bug but I couldn't make a test out of it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142805 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-21Take DW_AT_comp_dir from $PWD when it's present and starts with a '/'. This isNick Lewycky
closer to what GCC does, except that GCC also checks that the inodes for $PWD and '.' match. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142633 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Wire up support for the controlling the extended dwarf .file directive. WithNick Lewycky
r142300 but not this patch, clang -S may emit .s files that assemblers other than llvm-mc can't parse. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142301 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17When building a module, use the macro definitions on the command lineDouglas Gregor
as part of the hash rather than ignoring them. This means we'll end up building more module variants (overall), but it allows configuration macros such as NDEBUG to work so long as they're specified via command line. More to come in this space. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142187 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Now that the structure of this is more reasonably laid out, fix a longChandler Carruth
standing deficiency: we were providing no macro backtrace information whenever caret diagnostics were turned off. This sinks the logic for suppressing the code snippet and caret to the code that actually prints tho code snippet and caret. Along the way, clean up the naming of functions, remove some now fixed FIXMEs, and generally improve the wording and logic of this process. Add a test case exerecising this functionality. It is notable that the resulting messages are extremely low quality. I'm working on a follow-up patch that should address this and have left a FIXME in the test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142120 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Add proper doxyments to the entry point routine, and remove a dead parameter.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142109 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Persist the TextDiagnostic object across multiple diagnostics as long asChandler Carruth
the SourceManager doesn't change, and the source files don't change. This greatly simplifies the interfaces and interactions. The lifetime of the TextDiagnostic object forms the 'session' over which we attempt to condense and deduplicate information in diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142104 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Clean up the names of all the TextDiagnostic methods (and even a staticChandler Carruth
function) to agree with the coding conventions, and in one case have a bit more information in it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142088 91177308-0d34-0410-b5e6-96231b3b80d8
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