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2011-10-15Move two functions out of the public interface that shouldn't have everChandler Carruth
been there. Also delete their redundant doxyments in favor of those in the source file. I'm putting the doxyments for private and static helpers into the implementation file, and only the public interface doxyments into the header. If folks have strong opinions about this type of split, feel free to chime in, I'm happy to re-organize. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142087 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Graduate the TextDiagnostic interface to its own header and source file,Chandler Carruth
making it accessible to anyone from the Frontend library. Still a good bit of cleanup to do here, but its a good milestone. This ensures that *all* of the functionality needed to implement the DiagnosticConsumer is exposed via the generic interface in some form. No sneaky re-use of static functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142086 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Rationalize the last bit of "arbitrary" state that is carried betweenChandler Carruth
diagnostics to control suppression of redundant information. It now follows the same model as all the other state, and has a bit more clear semantics. This is making the duality of the state a bit annoying, and I've added a FIXME to resolve it. The problem is that I need to lift the TextDiagnostic up into an externally visible layer before that can happen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142083 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Neither 'Warning' nor 'NonNote' was a good name for this location...Chandler Carruth
It's the last include-stack-root we tried to walk up. Use a better name and better doxyments for it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142071 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Sink the include stack printing into the generic text diagnosticChandler Carruth
utility. This is a particularly nice win because it removes a pile of parameters from these routines. Also name them a bit better. I'm trying to follow the pattern of 'emit' routines writing directly to what is expected to be the final output, while 'print' routines take a output stream argument and can be used to build up intermediate buffers, etc. Also, fix a bug I spotted by inspection from my last commit where 'LastLoc' and 'LastNonNoteLoc' were reversed. It's really scary that this didn't trigger a single test failure. Will be working on tests for more of this functionality now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142069 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Rationalize some of how the locations of prior diagnostics are trackedChandler Carruth
across emissions. 1) The include stack printing is conditioned on non-note diagnostics, not just on warning diagnostics. 2) Those should be full source locations as they're tied to a source manager. 3) We should pass in the prior state to the TextDiagnostic constructor, allow it to mutate as diagnostics are emitted, and then cache the final state before tearing it down. Some of this remains incomplete, specifically #3 isn't finished for the non-note location. That'll come when the include stack printing sinks down a level. This also highlights how *completely* bug-ridden this code is. For example, we currently do all these comparisons of a FullSourceLoc and a SourceLocation... which silently does a SourceLocation to SourceLocation comparison, completely disregarding the source manager from whence one of the arguments came. Oops! Good thing in practice this wasn't important, but it could in theory be suppressing caret diagnostics in a second TU on a single clang invocation. I'm hoping to hammer these bugs out as the refactorings occur, although for so many of them it's really unlikely I can dream up a test case that would show the potentially buggy behavior. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142067 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Sink the EmitDiagnosticLoc method down to the generic TextDiagnosticChandler Carruth
interface now that its only caller is there. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142065 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Sink the non-caret diagnostic logic down and out of the diagnosticChandler Carruth
consumer. The TextDiagnostic interface now has a generic entry point for emitting a diagnostic which uses a minimal interface that should be compatible with StoredDiagnostics such as are available in libclang etc. Some unfortunate shuffling of static functions as things get relocated. Also some unfortunate public interface points added to TextDiagnosticPrinter, but those are the next bits to get moved so they won't last long. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142064 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Simplify the interface of a helper method in the TextDiagnosticPrinterChandler Carruth
to operate directly on the source location and ranges associated with a diagnostic rather than digging them out of the diagnostic. This had a side benefit of cleaning up its code a tiny bit by using the ArrayRef interface. No functionality changed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142063 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Allow calling ASTUnit::LoadFromCompilerInvocationAction with a previously ↵Argyrios Kyrtzidis
created ASTUnit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142004 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Add support for -std=gnu90 and -std=c++03, for compatibility with modern gcc.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141922 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Add -std=c++11 and -std=gnu++11 language flags, from Ahmed CharlesDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141785 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Frontend: Replace -nostdinc by -nostdsysteminc (which is just system includeDaniel Dunbar
paths). The -nostdinc behavior is now -nostdsysteminc + -nobuiltininc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141691 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10[libclang] Implement ConcurrencyCheck using a recursive mutex to allow ↵Argyrios Kyrtzidis
re-entrancy in the same thread. The checks are performed only in DEBUG, it becomes no-op in release mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141582 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06CUDA: add -fcuda-is-device flagPeter Collingbourne
This frontend-only flag is used by the IR generator to determine whether to filter CUDA declarations for the host or for the device. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141301 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-30[analyzer] Add -analyzer-purge option which can take on multiple values, ↵Anna Zaks
remove -analyzer-purge=none. (Small refactor as well: move the work of constructing AnalysisManager from the callers to the class itself.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-29Introduce a pure virtual clone() method to DiagnosticConsumer, so thatDouglas Gregor
we have the ability to create a new, distict diagnostic consumer when we go off and build a module. This avoids the currently horribleness where the same diagnostic consumer sees diagnostics for multiple translation units (and multiple SourceManagers!) causing all sorts of havok. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140743 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-29Basic/Diagnostics: Split out the default warning "no-Werror" andDaniel Dunbar
"show-in-system-header" bits, which is part of teasing them apart from the diagnostic mapping kind. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140742 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-26Don't map a file:line:col triplet that is inside the preamble range toArgyrios Kyrtzidis
a "loaded" location of the precompiled preamble. Instead, handle specially locations of preprocessed entities: -When looking up for preprocessed entities, map main file locations inside the preamble range to a preamble loaded location. -When getting the source range of a preprocessing cursor, map preamble loaded locations back to main file locations. Fixes rdar://10175093 & http://llvm.org/PR10999 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140519 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-26Rename DiagnosticInfo to Diagnostic as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140493 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-26Rename PathDiagnosticClient to PathDiagnosticConsumer as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140492 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-26Rename VerifyDiagnosticsClient to VerifyDiagnosticConsumer as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140489 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-26Rename ChainedDiagnosticClient to ChainedDiagnosticConsumer as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140485 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Rename DiagnosticClient to DiagnosticConsumer as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140479 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Rename Diagnostic to DiagnosticsEngine as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140478 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Inline this method now that its completely trivial, and prepare forChandler Carruth
hoisting parts of the text diagnostic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140477 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Actually remove the members of CaretDiagnostic no longer in use forChandler Carruth
tracking the start and stop of macro expansion suppression. Also remove the Columns variable which was just a convenience variable based on DiagOpts. Instead we materialize it in the one piece of code that cared. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140475 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Sink the logic for suppressing some macro expansion notes from theChandler Carruth
TextDiagnosticPrinter into the CaretDiagnostic class. Several interesting results from this: - This removes a significant per-diagnostic bit of state from the CaretDiagnostic class, which should eventually allow us to re-use the object. - It removes a redundant recursive walk of the macro expansion stack just to compute the depth. We don't need the depth until we're unwinding anyways, so we can just mark when we reach it. - It also paves the way for several simplifications we can do to how we implement the suppression. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140474 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-22Add support for CPATH and friends.Benjamin Kramer
This moves the existing code for CPATH into the driver and adds the environment lookup and path splitting there. The paths are then passed down to cc1 with -I options (CPATH), added after the normal user-specified include dirs. Language specific paths are passed via -LANG-isystem and the actual filtering is performed in the frontend. I tried to match GCC's behavior as close as possible Fixes PR8971. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140341 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-19In libclang, when visiting preprocessed entities in a source range, useArgyrios Kyrtzidis
PreprocessingRecord's getPreprocessedEntitiesInRange. Also remove all the stuff that were added in ASTUnit that are unnecessary now that we do a binary search for preprocessed entities and deserialize only what is necessary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140063 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-19[libclang] When getting a source location from a file:line:col tripletArgyrios Kyrtzidis
check whether the requested location points inside the precompiled preamble, in which case the returned source location will be a "loaded" one. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140060 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15Add an experimental flag -fauto-module-import that automatically turnsDouglas Gregor
#include or #import direcctives of framework headers into module imports of the corresponding framework module. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139860 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15Detect cyclic module dependencies in a manner that is rather moreDouglas Gregor
graceful than running out of stack space. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139833 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15Eliminate the list of modules from the preprocessor options. This wasDouglas Gregor
used back when we had an -import-module command-line option, but it's no longer used (or useful). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15Eliminate the unused -create-module cc1-level optionDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139827 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13For modules, use a hash of the compiler version, language options, andDouglas Gregor
target triple to separate modules built under different conditions. The hash is used to create a subdirectory in the module cache path where other invocations of the compiler (with the same version, language options, etc.) can find the precompiled modules. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139662 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13When building a module on-demand, clear out the "non-modular" languageDouglas Gregor
and preprocessor options (such as macro definitions) first. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139638 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13When compiling a module on-demand, re-use the diagnostics clientDouglas Gregor
already provided. This required a little bit of clean-up in the way that VerifyDiagnosticsClient managed ownership of its underlying "primary" client, because now it will no longer always take ownership. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139570 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12Introduce a cc1-level option to provide the path to the module cache,Douglas Gregor
where the compiler will look for module files. Eliminates the egregious hack where we looked into the header search paths for modules. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139538 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-10Kill of the Decl::PCHLevel field entirely. We now only need to knowDouglas Gregor
whether a Decl was deserialized from an AST file (any AST file). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139438 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Extract the emission of the diagnostic's location into a separateChandler Carruth
function. This is really the beginning of the second phase of refactorings here. The end goal is to have (roughly) three interfaces: 1) Base class to format a single diagnostic suitable for display on the console. 2) Extension of the base class which also displays a caret diagnostic suitable for display on the console. 3) An adaptor that implements the DiagnosticClient by delegating to #1 and/or #2 as appropriate. Once we have these, things like libclang's formatDiagnostic can use #1 and #2 to provide really well formatted (and consistently formatted!) textual formatting of diagnostics. Getting there is going to be quite a bit of shuffling. I'm basically sketching out where the interface boundaries can be drawn for #1 and #2 within the existing classes. That lets me shuffle with a minimum of fuss and delta. Once that's done, and any of the related interfaces that need to change are updated, I'll hoist these into separate headers and re-implement libclang in terms of their interfaces. Long WIP, but comments at each step welcome. =D git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139228 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Move the HilightRange method from TextDiagnosticPrinter down toChandler Carruth
CaretDiagnostic. It's completely generic, with nothing to do with the diagnostic client or info APIs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139227 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Switch the CharSourceRange array to a small vector. The array wasChandler Carruth
a stack array of a magical size with an assert() that we never overflowed it. That seems incredibly risky. We also have a very nice API for bundling up a vector we expect to usually have a small size without loss of functionality or security if the size is excessive. The fallout is to remove the last pointer+size parameter pair that are traced through the recursive caret diagnostic emission. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139217 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06Use ArrayRef for the fixit hint array rather than a pointer and a size.Chandler Carruth
Clean up loops over the hints to use the more idiomatic iterator form in LLVM and Clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139195 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-01Teach ASTContext and Preprocessor to hold on to references to the sameDouglas Gregor
LangOptions, rather than making distinct copies of LangOptions. Granted, LangOptions doesn't actually get modified, but this will eventually make it easier to construct ASTContext and Preprocessor before we know all of the LangOptions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138959 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-31Create a CaretDiagnostic class to hold the logic for emittingChandler Carruth
(unsurprisingly) caret diagnostics. This is designed to bring some organization to the monstrous EmitCaretDiagnostic function, and allow factoring it more easily and with less mindless parameter passing. Currently this just lifts the existing function into a method, and splits off the obviously invariant arguments to be class members. No functionality is changed, and there are still lots of warts to let existing code continue functioning as-is. Definitely WIP, more cleanups to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-27Remove the -import-module option. It's no longer usefulDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138681 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Introduce support for a simple module import declaration, whichDouglas Gregor
loads the named module. The syntax itself is intentionally hideous and will be replaced at some later point with something more palatable. For now, we're focusing on the semantics: - Module imports are handled first by the preprocessor (to get macro definitions) and then the same tokens are also handled by the parser (to get declarations). If both happen (as in normal compilation), the second one is redundant, because we currently have no way to hide macros or declarations when loading a module. Chris gets credit for this mad-but-workable scheme. - The Preprocessor now holds on to a reference to a module loader, which is responsible for loading named modules. CompilerInstance is the only important module loader: it now knows how to create and wire up an AST reader on demand to actually perform the module load. - We search for modules in the include path, using the module name with the suffix ".pcm" (precompiled module) for the file name. This is a temporary hack; we hope to improve the situation in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138679 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26[driver] Add -mglobal-merge/-mno-global-merge machine options to ↵Chad Rosier
enable/disable merging of globals during codegen. Fixes <rdar://problem/10017909>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138612 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Eliminate the -chained-pch flag and all of the frontend and libclang options ↵Douglas Gregor
associated with it. Chained PCH is the only way to build a PCH file that includes another PCH file git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138597 91177308-0d34-0410-b5e6-96231b3b80d8
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