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2009-02-04make getFileCharacteristic linetable aware. line markers that Chris Lattner
play around with the 'is system header' bit now function correctly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63720 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-04propagate linemarker flags down into the the line table, currentlyChris Lattner
ignoring include stack push/pop info though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63719 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-04simplify.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63708 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-04lower the interface to getLineNumber like we did forChris Lattner
getColumnNumber. This fixes a FIXME in SourceManager::getPresumedLoc because we now just decompose the sloc once. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63701 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-04make SM::getColumnNumber take a predecomposed FileID/offset, whichChris Lattner
makes it clear to clients that they have to pick an instantiation or spelling location before calling it and allows optimization based on that. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63698 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03more plumbing for #line propagation. Use happy bit #3 Chris Lattner
out of FileInfo :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63672 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03stub out basic #line handling calls.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63667 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Semantic analysis, ASTs, and unqualified name lookup support for C++Douglas Gregor
using directives, from Piotr Rak! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63646 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03reclaim my precious bit in FileInfo by ensuring that ContentCache objectsChris Lattner
are 8-byte aligned. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63630 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03switch SourceManager from using an std::map and std::list of Chris Lattner
ContentCache objects to using a densemap and list, and allocating the ContentCache objects from a bump pointer. This does not speed up or slow down things substantially, but gives us control over their alignment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63628 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Content Cache only needs to be 4-byte aligned. Since it is stored inChris Lattner
an std::set, we can't make a strong guarantee about what its alignment will be. Since I don't need the 3rd bit anyway yet, just change the assertion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63588 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31Add sema support for the cleanup attribute.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63462 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30Turn on -flax-vector-conversions by default, issue a warning whenever one is ↵Anders Carlsson
done. Add a -fnolax-vector-conversions option. Fixes PR2862. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63447 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30Upgrade the "excess elements in array initializer" warning to anDouglas Gregor
error, since both C99 and C++ consider it an error. For reference, GCC makes this a warning while G++ makes it an error. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63435 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30Implement and test aggregate initialization in C++. Major changes:Douglas Gregor
- Support initialization of reference members; complain if any reference members are left uninitialized. - Use C++ copy-initialization for initializing each element (falls back to constraint checking in C) - Make sure we diagnose when one tries to provide an initializer list for a non-aggregate. - Don't complain about empty initializers in C++ (they are permitted) - Unrelated but necessary: don't bother trying to convert the decl-specifier-seq to a type when we're dealing with a C++ constructor, destructor, or conversion operator; it results in spurious warnings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63431 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29Make CodeGen produce an error if we come across a non-constant initializer ↵Douglas Gregor
list that involves the GNU array-range designator extension git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29remove two empty filesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63319 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29next round of diagnostics cleanups, moving some Chris Lattner
diags around, eliminating #defines, etc. Patch by Anders Johnsen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63318 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29Fix -Wimplicit-function-declaration, which required some refactoring andChris Lattner
changes in various diagnostics code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63282 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29Fix a wart that existed from before we had EXTWARN.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63272 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29move library-specific diagnostic headers into library private dirs. ReduceChris Lattner
redundant #includes. Patch by Anders Johnsen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63271 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28Improvements to code-generation and semantic analysis of designatedDouglas Gregor
initializers. - We now initialize unions properly when a member other than the first is named by a designated initializer. - We now provide proper semantic analysis and code generation for GNU array-range designators *except* that side effects will occur more than once. We warn about this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63253 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28Code generation support for C99 designated initializers.Douglas Gregor
The approach I've taken in this patch is relatively straightforward, although the code itself is non-trivial. Essentially, as we process an initializer list we build up a fully-explicit representation of the initializer list, where each of the subobject initializations occurs in order. Designators serve to "fill in" subobject initializations in a non-linear way. The fully-explicit representation makes initializer lists (both with and without designators) easy to grok for codegen and later semantic analyses. We keep the syntactic form of the initializer list linked into the AST for those clients interested in exactly what the user wrote. Known limitations: - Designating a member of a union that isn't the first member may result in bogus initialization (we warn about this) - GNU array-range designators are not supported (we warn about this) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63242 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28Add method FullSourceLoc::getBufferData().Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63229 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28Tweak doxygen comment. No functionality change.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63228 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28Implement pointer to member handling in static_cast.Sebastian Redl
Fix a stupid mistake in UnwrapSimilarPointers that made any two member pointers compatible as long as the pointee was the same. Make a few style corrections as suggested by Chris. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63215 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28Complete semantic checking for typedef redeclarations in C++. TheDouglas Gregor
rules are slightly different than in C, and now we handle both dialects properly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63211 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28Update comment.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63192 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28add some basic file headersChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63188 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-28FileManager: Use a BumpPtrAllocator for the StringMaps DirEntries and ↵Ted Kremenek
FileEntries. Performance impact (clang -fsyntax-only INPUTS/Cocoa_h.m): non-PTH: 0.4% improvement PTH: 0.8% improvement git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63159 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-27If an input constraint refers to an output constraint, it should have the ↵Anders Carlsson
same constraint info as the output constraint. Fixes PR3417 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63127 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-27add new headersChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63113 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-27Add the new .def filesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63112 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-27Split the single monolithic DiagnosticKinds.def file into oneChris Lattner
.def file for each library. This means that adding a diagnostic to sema doesn't require all the other libraries to be rebuilt. Patch by Anders Johnsen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63111 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-27Introduce a new PresumedLoc class to represent the concept of a locationChris Lattner
as reported to the user and as manipulated by #line. This is what __FILE__, __INCLUDE_LEVEL__, diagnostics and other things should follow (but not dependency generation!). This patch also includes several cleanups along the way: - SourceLocation now has a dump method, and several other places that did similar things now use it. - I cleaned up some code in AnalysisConsumer, but it should probably be simplified further now that NamedDecl is better. - TextDiagnosticPrinter is now simplified and cleaned up a bit. This patch is a prerequisite for #line, but does not actually provide any #line functionality. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63098 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-27rename getFullFilePos -> getFileOffset.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63097 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-26make getInstantiationLoc and getSpellingLoc handle multiply instantiatedChris Lattner
locations, and move the slow case out of line. No perf change on cocoa.h git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63033 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-26make sure we have a definition of uintptr_t.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63019 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-26start plumbing together the line table information. So far we justChris Lattner
unique the Filenames in #line directives, assigning them UIDs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63010 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-26Bitmangle file characteristic bits into the low bits of Chris Lattner
the content cache pointer. This saves 105876 bytes on cocoa.h because it shrinks the SLocEntry union, which we have a big array of. It would be nice to use PointerIntPair here, but we can't because it is in a union. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63004 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-26add parsing and constraint enforcement for GNU line marker directives.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63003 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-26parse and enforce required constraints on #line directives. Right nowChris Lattner
we just discard them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62999 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-26Check in the long promised SourceLocation rewrite. This lays theChris Lattner
ground work for implementing #line, and fixes the "out of macro ID's" problem. There is nothing particularly tricky about the code, other than the very performance sensitive SourceManager::getFileID() method. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62978 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-25Implement implicit conversions for pointers-to-member.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62971 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-24PR3062: statement expressions should be illegal at file scope. I don't Eli Friedman
think this has any significant effects at the moment, but it could matter if we start constant-folding statement expressions like gcc does. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62943 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-24Implement C99 6.5.3.4p1, rejecting sizeof(bitfield)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62936 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-24Add support for declaring pointers to members.Sebastian Redl
Add serialization support for ReferenceType. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62934 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-24Fix PR3386 by handling GCC's rules for alignof, which are substantiallyChris Lattner
different than those for sizeof. Reject alignof(bitfield) like gcc does. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62928 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-23Added virtual method DiagnosticClient::IncludeInDiagnosticCounts(). This is ↵Ted Kremenek
used by Diagnostics to determine if a diagnostic sent to a given DiagnosticClient should be included in the count of diagnostics. The default implementation of this method returns 'true'. Implemented DiagCollector::IncludeInDiagnosticCounts() to return 'false' so that the batching of diagnostics for use with BugReporter doesn't mess up the count of real diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62873 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-23This is a follow-up to r62675:Chris Lattner
Refactor how the preprocessor changes a token from being an tok::identifier to a keyword (e.g. tok::kw_for). Instead of doing this in HandleIdentifier, hoist this common case out into the caller, so that every keyword doesn't have to go through HandleIdentifier. This drops time in HandleIdentifier from 1.25ms to .62ms, and speeds up clang -Eonly with PTH by about 1%. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62855 91177308-0d34-0410-b5e6-96231b3b80d8
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