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2011-09-23Don't translate CRLF files into LF files. Fixes PR6870, from Aaron Ballman!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140435 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-01Modules hide macro definitions by default, so that silly things likeDouglas Gregor
include guards don't show up as macro definitions in every translation unit that imports a module. Macro definitions can, however, be exported with the intentionally-ugly #__export_macro__ directive. Implement this feature by not even bothering to serialize non-exported macros to a module, because clients of that module need not (should not) know that these macros even exist. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138943 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Remove the Chaining argument from the PCH/module generator. It's no longer usedDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138596 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Introduce a -cc1 option "-emit-module", that creates a binary moduleDouglas Gregor
from the given source. -emit-module behaves similarly to -emit-pch, except that Sema is somewhat more strict about the contents of -emit-module. In the future, there are likely to be more interesting differences. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138595 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Make Lexer::ComputePreamble accept a LangOptions parameter, otherwise it may beArgyrios Kyrtzidis
out-of-sync how a file is compiled. Patch by Matthias Kleine! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138580 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Cut down the number of open/close system calls for output files.Argyrios Kyrtzidis
For PCH files, have only one open/close for temporary + rename to be safe from race conditions. For all other output files open/close the output file directly. Depends on llvm r136310. rdar://9082880 & http://llvm.org/PR9374. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136315 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23remove unneeded llvm:: namespace qualifiers on some core types now that ↵Chris Lattner
LLVM.h imports them into the clang namespace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Switch all of the "isysroot" const char*'s throughout the AST readerDouglas Gregor
and writer to StringRef or std::string, as appropriate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135769 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07Remove the AST printer (-ast-print-xml), which is too incomplete andDouglas Gregor
too low-level to actually be useful but is just interesting enough for people to try to use it (which won't actually work beyond toy examples). To bring back the AST printer, it needs to be: - Complete, covering all of C/C++/Objective-C - Documented, with appropriate Schema against which we can validate the output - Designed for C/C++/Objective-C, not Clang's specific ASTs - Stable across Clang versions - Well-tested git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127141 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17Eliminate the internal command-line option for viewing inheritance in C++ ↵Douglas Gregor
classes, since it's only really worked for the trivial cases anyway due to lame pseudo-parsing of the class name. The viewInheritance() function is still available for use in the debugger, where this is far more useful git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125762 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15Allow resolving headers from a PCH even after headers+PCH were moved to ↵Argyrios Kyrtzidis
another path. Store in PCH the directory that the PCH was originally created in. If a header file is not found at the path that we expect it to be and the PCH file was moved from its original location, try to resolve the file by assuming that header+PCH were moved together and the header is in the same place relative to the PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125576 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-31libclang: Don't allow RemoveFileOnSignal to be called via libclang, badness canDaniel Dunbar
ensue. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124613 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-01Driver, Frontend: add CUDA language supportPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120544 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Add -cc1 -ast-dump-xml, an excessively detailed XML dump of the internalsJohn McCall
of the ASTs. Only available in assertions builds. No stability guarantee. This is intended solely as a debugging tool. I'm not sure if the goals are sufficiently aligned with the XML printer to allow a common implementation. Currently just falls back on the StmtDumper to display statements, which means it doesn't produce valid XML in those cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120088 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23now the FileManager has a FileSystemOpts ivar, stop threadingChris Lattner
FileSystemOpts through a ton of apis, simplifying a lot of code. This also fixes a latent bug in ASTUnit where it would invoke methods on FileManager without creating one in some code paths in cindextext. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120010 91177308-0d34-0410-b5e6-96231b3b80d8
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
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