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path: root/lib/Frontend/FrontendActions.cpp
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2010-11-03Implement -working-directory.Argyrios Kyrtzidis
When -working-directory is passed in command line, file paths are resolved relative to the specified directory. This helps both when using libclang (where we can't require the user to actually change the working directory) and to help reproduce test cases when the reproduction work comes along. --FileSystemOptions is introduced which controls how file system operations are performed (currently it just contains the working directory value if set). --FileSystemOptions are passed around to various interfaces that perform file operations. --Opening & reading the content of files should be done only through FileManager. This is useful in general since file operations will be abstracted in the future for the reproduction mechanism. FileSystemOptions is independent of FileManager so that we can have multiple translation units sharing the same FileManager but with different FileSystemOptions. Addresses rdar://8583824. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18Rename PCHWriter.h to ASTWriter.hSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111466 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17Reintroduce the serialization library, with fixed dependencies.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111279 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17Revert Sebastian's build-breaking patch.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111265 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17Create a new Serialization module that contains all the PCH code, and will ↵Sebastian Redl
contain all the module code in the future. Update the Makefiles, CMake projects and the Xcode project. I hope I did everything right for Xcode. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111258 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17Fix a typo in a diag name.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111257 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Reshuffle the PCH generator action and consumer, so that we can re-useDouglas Gregor
it while generating precompiled preambles. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110108 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Make macro weirdness in chained PCH work. This required changing the way ↵Sebastian Redl
PCHReader and PCHWriter are initialized to correctly pick up all initializer. On the upside, this means that there is far less repetition in the dependent PCH now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109823 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26Introduce basic support for loading a precompiled preamble whileDouglas Gregor
reparsing an ASTUnit. When saving a preamble, create a buffer larger than the actual file we're working with but fill everything from the end of the preamble to the end of the file with spaces (so the lexer will quickly skip them). When we load the file, create a buffer of the same size, filling it with the file and then spaces. Then, instruct the lexer to start lexing after the preamble, therefore continuing the parse from the spot where the preamble left off. It's now possible to perform a simple preamble build + parse (+ reparse) with ASTUnit. However, one has to disable a bunch of checking in the PCH reader to do so. That part isn't committed; it will likely be handled with some other kind of flag (e.g., -fno-validate-pch). As part of this, fix some issues with null termination of the memory buffers created for the preamble; we were trying to explicitly NULL-terminate them, even though they were also getting implicitly NULL terminated, leading to excess warnings about NULL characters in source files. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109445 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26Eliminate the "minimal" and printing parser actions, which only everDouglas Gregor
worked for C anyway. Also kills the -cc1 options -parse-noop and -parse-print-callbacks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109392 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20Introduce a new lexer function to compute the "preamble" of a file,Douglas Gregor
which is the part of the file that contains all of the initial comments, includes, and preprocessor directives that occur before any of the actual code. Added a new -print-preamble cc1 action that is only used for testing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108913 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-14Add a callback interface that allows interested parties to get notified ↵Sebastian Redl
whenever PCHReader deserializes a type or decl (and possibly other things in the future). Have PCHWriter implement these callbacks as noops and register to receive them if we're chaining PCHs. This will allow PCHWriter to track the IDs of these things, which it needs to write the dependent files. WIP git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108383 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-13Modify the pragma handlers to accept and use StringRefs instead of ↵Argyrios Kyrtzidis
IdentifierInfos. When loading the PCH, IdentifierInfos that are associated with pragmas cause declarations that use these identifiers to be deserialized (e.g. the "clang" pragma causes the "clang" namespace to be loaded). We can avoid this if we just use StringRefs for the pragmas. As a bonus, since we don't have to create and pass IdentifierInfos, the pragma interfaces get a bit more simplified. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108237 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Really respect -chained-pch.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107993 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09Add a frontend option -chained-pch and don't pass an active PCH reader to ↵Sebastian Redl
the PCH writer if it is not set, preventing creation of chained PCH files. Since the reader is so far unused, effectively no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107936 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Some preparatory work for chained PCH. No functionality change.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107915 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-15Break Frontend's dependency on Rewrite, Checker and CodeGen in shared ↵Daniel Dunbar
library configuration Currently, all AST consumers are located in the Frontend library, meaning that in a shared library configuration, Frontend has a dependency on Rewrite, Checker and CodeGen. This is suboptimal for clients which only wish to make use of the frontend. CodeGen in particular introduces a large number of unwanted dependencies. This patch breaks the dependency by moving all AST consumers with dependencies on Rewrite, Checker and/or CodeGen to their respective libraries. The patch therefore introduces dependencies in the other direction (i.e. from Rewrite, Checker and CodeGen to Frontend). After applying this patch, Clang builds correctly using CMake and shared libraries ("cmake -DBUILD_SHARED_LIBS=ON"). N.B. This patch includes file renames which are indicated in the patch body. Changes in this revision of the patch: - Fixed some copy-paste mistakes in the header files - Modified certain aspects of the coding to comply with the LLVM Coding Standards git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-11Preprocessor: Ignore unknown pragmas in -E -dM and -Eonly modes.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105830 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Teach clang -fixit to modify files in-place, or -fixit=suffix to create newNick Lewycky
files with the additional suffix in the middle. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102230 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20push some source location information down through the compiler,Chris Lattner
into ContentCache::getBuffer. This allows it to produce diagnostics on the broken #include line instead of without a location. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101939 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Teach -fixit to modify all of its inputs instead of just the main file, unlessNick Lewycky
-fixit-at specified a particular fixit to fix, or the -o flag was used. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101359 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Fronted: Kill overly specialized RecordLayoutDumper, just make ↵Daniel Dunbar
-dump-record-layouts a bit that Sema honors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100747 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07rename llvm::llvm_report_error -> llvm::report_fatal_errorChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100708 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-19clang -cc1: Kill off -empty-input only, and replace with -init-only which is anDaniel Dunbar
actual action. - This is easier to use, and more reliable for timing the thing this was actually meant to be useful for. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98978 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
2010-02-25Frontend: Pull CodeGenAction out more, and eliminate CreateBackendConsumer.Daniel Dunbar
This is the way I would like to move the frontend function towards -- distinct pieces of functionality should be exposed only via FrontendAction implementations which have clean and relatively-stable APIs. This also isolates the surface area in clang which depends on LLVM CodeGen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97110 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-03clang -cc1: Wire up -emit-obj, for emitting object files.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95182 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05Fix <rdar://problem/7490212> clang rewriter: return of the mixed line ↵Steve Naroff
endings, which is related to <rdar://problem/6596843> clang ObjC rewriter: Line endings still mixed in rewrite output This fix was dropped when I integrated the 'objective-rewrite' branch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92737 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23Remove RewriteBlocks. It has been superseded by RewriteObjCKovarththanan Rajaratnam
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92014 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-03Fix CompilerInstance::createOutputFile to use proper diagnostics, and (try ↵Daniel Dunbar
to) update all clients to be able to handle failure. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90437 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-30Eliminate CodeGenOptions::TimePasses.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90118 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
2009-11-28Don't call exit(). llvm::llvm_report_error() will do just thatKovarththanan Rajaratnam
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90031 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26typoGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89949 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26issue a friendlier error if someone tries to send precompiled header to '-' ↵Gabor Greif
(stdout) this brings the error on clang -c foo.h -o - closer to clang -c foo.h -o /dev/null git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Fix some uses of fprintf/stderr without a prototype.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89858 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15Add TargetOptions and use it when constructing targets.Daniel Dunbar
- This ended up being hard to factor, sorry for the large diff. - Some post-commit cleanup to come. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88833 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Add FrontendActions for all preprocessor based clang-cc actions.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88774 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Add FrontendActions, which provides a FrontendAction interface to all the ↵Daniel Dunbar
existing AST consumer based clang-cc actions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88773 91177308-0d34-0410-b5e6-96231b3b80d8
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