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path: root/include/clang/Lex/Preprocessor.h
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2010-03-23PPCallbacks: Add hook for reaching the end of the main file, and fix ↵Daniel Dunbar
DependencyFile to not do work in its destructor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99257 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-19Make the preprocessing record a PPCallbacks subclass itself,Douglas Gregor
eliminating the extra PopulatePreprocessingRecord object. This will become useful once we start writing the preprocessing record to precompiled headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98966 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-19Optionally store a PreprocessingRecord in the preprocessor itself, andDouglas Gregor
tie its creation to a CC1 flag -detailed-preprocessing-record. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98963 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-17Entering the main source file in the preprocessor can fail if theDouglas Gregor
source file has been changed. Handle that failure more gracefully. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98727 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-16Audit all callers of SourceManager::getCharacterData(); update some ofDouglas Gregor
them to recover more gracefully on failure. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98672 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-16Introduce optional "Invalid" parameters to routines that invoke theDouglas Gregor
SourceManager's getBuffer() and, therefore, could fail, along with Preprocessor::getSpelling(). Use the Invalid parameters in the literal parsers (string, floating point, integral, character) to make them robust against errors that stem from, e.g., PCH files that are not consistent with the underlying file system. I still need to audit every use caller to all of these routines, to determine which ones need specific handling of error conditions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98608 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-13Use SmallString instead of SmallVectorKovarththanan Rajaratnam
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98436 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-07Rename to addPPCallbacks since we're effectively adding a callback and maybe ↵Kovarththanan Rajaratnam
chaining it to an existing one git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97913 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27Move method out-of-line. I thought this would be a candidate for inlining ↵Benjamin Kramer
but I was wrong. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97330 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27Fix thinko.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97323 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27Add an overload of Preprocessor::getSpelling which takes a SmallVector andBenjamin Kramer
returns a StringRef. Use it to simplify some repetitive code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97322 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-22Teach CIndex's cursor visitor to restrict its traversal to a specificDouglas Gregor
region of interest (if provided). Implement clang_getCursor() in terms of this traversal rather than using the Index library; the unified cursor visitor is more complete, and will be The Way Forward. Minor other tweaks needed to make this work: - Extend Preprocessor::getLocForEndOfToken() to accept an offset from the end, making it easy to move to the last character in the token (rather than just past the end of the token). - In Lexer::MeasureTokenLength(), the length of whitespace is zero. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94200 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-22revert my patch for rdar://7520940 that warns when a published headerChris Lattner
is #included with "foo.h" style syntax instead of framework syntax. It produced too much noise. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94120 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-18allow the HandlerComment callback to push tokens into theChris Lattner
preprocessor. This could be used by an OpenMP implementation or something. Patch by Abramo Bagnara! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93795 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-10stringref'ize a bunch of filename handling logic. MuchChris Lattner
nicer than passing around two const char*'s. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93094 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-10implement rdar://7520940: published framework headers shouldChris Lattner
import other headers within the same framework with the full framework path, not with a relative include. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93083 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-04Teach Preprocessor::macro_begin/macro_end to lazily load all macroDouglas Gregor
definitions from a precompiled header. This ensures that code-completion with macro names behaves the same with or without precompiled headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92497 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15set up the machinery for a MacroArgs cache hanging off Preprocessor.Chris Lattner
We creating and free thousands of MacroArgs objects (and the related std::vectors hanging off them) for the testcase in PR5610 even though there are only ~20 live at a time. This doesn't actually use the cache yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91391 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14formatting changes.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91263 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-06Change Preprocessor::EnterSourceFile to make ErrorStr non-optional, clients ↵Daniel Dunbar
should be forced to deal with error conditions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90700 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-03Minor cleanup to the code-completion-point logic suggested by Chris.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90459 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-02Extend the source manager with the ability to override the contents ofDouglas Gregor
files with the contents of an arbitrary memory buffer. Use this new functionality to drastically clean up the way in which we handle file truncation for code-completion: all of the truncation/completion logic is now encapsulated in the preprocessor where it belongs (<rdar://problem/7434737>). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90300 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-01pass the reason for failure up from MemoryBuffer and report itChris Lattner
in diagnostics when we fail to open a file. This allows us to report things like: $ clang test.c -I. test.c:2:10: fatal error: error opening file './foo.h': Permission denied #include "foo.h" ^ git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90276 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-30Fix PR5633 by making the preprocessor handle the case where we canChris Lattner
stat a file but where mmaping it fails. In this case, we emit an error like: t.c:1:10: fatal error: error opening file '../../foo.h' instead of "cannot find file". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90110 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Add static version of Preprocessor::getSpelling.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88732 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Wherein the TargetInfo argument to Preprocessor is made 'const' and propogated.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@87087 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Allow Preprocessor to take ownership of the HeaderSearch object. I think it ↵Daniel Dunbar
should probably always own the header search object, but I'm not sure... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86882 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Make LookUpIdentifierInfo const. This makes the Identifiers table mutable and isDaniel Dunbar
a little fuzzy, but conceptually it's just uniquing the identifier. Chris, please review. I debated splitting into const/non-const versions where the const one propogated constness to the resulting IdentifierInfo*. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86106 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05StringRefize Preprocessor::getIdentifierInfo.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86105 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Kill PreprocessorFactory, which was both morally repugnant and totally unused.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86076 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-02Added __has_include and __has_include_next.John Thompson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85834 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-30Re-arranged some internal functions for coming __has_include changes.John Thompson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85589 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-22Replace the -code-completion-dump option with Douglas Gregor
-code-completion-at=filename:line:column which performs code completion at the specified location by truncating the file at that position and enabling code completion. This approach makes it possible to run multiple tests from a single test file, and gives a more natural command-line interface. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82571 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-17Initial implementation of a code-completion interface in Clang. InDouglas Gregor
essence, code completion is triggered by a magic "code completion" token produced by the lexer [*], which the parser recognizes at certain points in the grammar. The parser then calls into the Action object with the appropriate CodeCompletionXXX action. Sema implements the CodeCompletionXXX callbacks by performing minimal translation, then forwarding them to a CodeCompletionConsumer subclass, which uses the results of semantic analysis to provide code-completion results. At present, only a single, "printing" code completion consumer is available, for regression testing and debugging. However, the design is meant to permit other code-completion consumers. This initial commit contains two code-completion actions: one for member access, e.g., "x." or "p->", and one for nested-name-specifiers, e.g., "std::". More code-completion actions will follow, along with improved gathering of code-completion results for the various contexts. [*] In the current -code-completion-dump testing/debugging mode, the file is truncated at the completion point and EOF is translated into "code completion". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82166 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-12SmallVectorize preprocessor's token cache. Testing shows there is almost neverBenjamin Kramer
more than one token in the cache. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81612 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09Remove tabs, and whitespace cleanups.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81346 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22Change Preprocessor to keep a copy of LangOptions instead of reference, like ↵Argyrios Kyrtzidis
ASTContext. Now when creating a Preprocessor we can pass it a temporary LangOptions object instead of having to remember to keep it around. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76815 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-02Add support for retrieving the Doxygen comment associated with a givenDouglas Gregor
declaration in the AST. The new ASTContext::getCommentForDecl function searches for a comment that is attached to the given declaration, and returns that comment, which may be composed of several comment blocks. Comments are always available in an AST. However, to avoid harming performance, we don't actually parse the comments. Rather, we keep the source ranges of all of the comments within a large, sorted vector, then lazily extract comments via a binary search in that vector only when needed (which never occurs in a "normal" compile). Comments are written to a precompiled header/AST file as a blob of source ranges. That blob is only lazily loaded when one requests a comment for a declaration (this never occurs in a "normal" compile). The indexer testbed now supports comment extraction. When the -point-at location points to a declaration with a Doxygen-style comment, the indexer testbed prints the associated comment block(s). See test/Index/comments.c for an example. Some notes: - We don't actually attempt to parse the comment blocks themselves, beyond identifying them as Doxygen comment blocks to associate them with a declaration. - We won't find comment blocks that aren't adjacent to the declaration, because we start our search based on the location of the declaration. - We don't go through the necessary hops to find, for example, whether some redeclaration of a declaration has comments when our current declaration does not. Similarly, we don't attempt to associate a \param Foo marker in a function body comment with the parameter named Foo (although that is certainly possible). - Verification of my "no performance impact" claims is still "to be done". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74704 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14Sink the BuiltinInfo object from ASTContext into theChris Lattner
preprocessor and initialize it early in clang-cc. This ensures that __has_builtin works in all modes, not just when ASTContext is around. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73319 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13implement and document a new __has_feature and __has_builtin magic Chris Lattner
builtin preprocessor macro. This appears to work with two caveats: 1) builtins are registered in -E mode, and 2) target-specific builtins are unconditionally registered even if they aren't supported by the target (e.g. SSE4 builtin when only SSE1 is enabled). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73289 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03PR4063, with feeling: Chain PP callbacks by default.Daniel Dunbar
- This is somewhat cleaner and also fixes PR4063 for real, I had the order wrong so we were just creating an empty dependency file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70687 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-17#line is allowed to have macros that expand to nothing after them.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69401 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
2009-04-10Compare 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
2009-04-10make a method publicChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68827 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10emit function-like and object-like macros to the PCH file.Chris Lattner
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
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
2009-04-08reject the #__include_macros directive unless it comes from the Chris Lattner
predefines buffer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68627 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-20Add accessor Preprocessor::getPTHManager().Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67351 91177308-0d34-0410-b5e6-96231b3b80d8