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* Introduce the notion of excluded headers into the module mapDouglas Gregor2012-10-151-0/+7
| | | | | | | | description. Previously, one could emulate this behavior by placing the header in an always-unavailable submodule, but Argyrios guilted me into expressing this idea properly. llvm-svn: 165921
* In the Module class, add a reference to the corresponding AST file.Argyrios Kyrtzidis2012-09-291-2/+2
| | | | llvm-svn: 164873
* Back out my heinous hack that tricked the module generation mechanismDouglas Gregor2012-02-021-0/+2
| | | | | | | | | | | | | | | | | | | | into using non-absolute system includes (<foo>)... ... and introduce another hack that is simultaneously more heineous and more effective. We whitelist Clang-supplied headers that augment or override system headers (such as float.h, stdarg.h, and tgmath.h). For these headers, Clang does not provide a module mapping. Instead, a system-supplied module map can refer to these headers in a system module, and Clang will look both in its own include directory and wherever the system-supplied module map suggests, then adds either or both headers. The end result is that Clang-supplied headers get merged into the system-supplied module for the C standard library. As a drive-by, fix up a few dependencies in the _Builtin_instrinsics module. llvm-svn: 149611
* Introduce TargetInfo::hasFeature() to query various feature names inDouglas Gregor2012-01-301-1/+5
| | | | | | | | | | | | | | each of the targets. Use this for module requirements, so that we can pin the availability of certain modules to certain target features, e.g., provide a module for xmmintrin.h only when SSE support is available. Use these feature names to provide a nearly-complete module map for Clang's built-in headers. Only mm_alloc.h and unwind.h are missing, and those two are fairly specialized at the moment. Finishes <rdar://problem/10710060>. llvm-svn: 149227
* Thread a TargetInfo through to the module map; we'll need it forDouglas Gregor2012-01-301-5/+8
| | | | | | target-specific module requirements. llvm-svn: 149224
* Introduce module attributes into the module map grammar, along with aDouglas Gregor2012-01-271-4/+11
| | | | | | | | | | | | | single attribute ("system") that allows us to mark a module as being a "system" module. Each of the headers that makes up a system module is considered to be a system header, so that we (for example) suppress warnings there. If a module is being inferred for a framework, and that framework directory is within a system frameworks directory, infer it as a system framework. llvm-svn: 149143
* Remove unreachable code in Clang. (replace with llvm_unreachable where ↵David Blaikie2012-01-171-1/+0
| | | | | | appropriate or when GCC requires it) llvm-svn: 148292
* Store the submodules of a module in source order, as they are storedDouglas Gregor2012-01-041-10/+33
| | | | | | | | in the module map. This provides a bit more predictability for the user, as well as eliminating the need to sort the submodules when serializing them. llvm-svn: 147564
* Implement support for module requirements, which indicate the languageDouglas Gregor2011-12-311-0/+74
| | | | | | | | | features needed for a particular module to be available. This allows mixed-language modules, where certain headers only work under some language variants (e.g., in C++, std.tuple might only be available in C++11 mode). llvm-svn: 147387
* Tweak the syntax of umbrella headers, so that "umbrella" is treated asDouglas Gregor2011-12-081-1/+6
| | | | | | | | | | | a modifier for a header declarartion, e.g., umbrella header "headername" Collapse the umbrella-handling code in the parser into the header-handling code, so we don't duplicate the header-search logic. llvm-svn: 146159
* Within the module representation, generalize the notion of an umbrellaDouglas Gregor2011-12-081-1/+8
| | | | | | | | | | header to also support umbrella directories. The umbrella directory for an umbrella header is the directory in which the umbrella header resides. No functionality change yet, but it's coming. llvm-svn: 146158
* Parse inferred submodules in module maps, track their contents inDouglas Gregor2011-12-051-9/+22
| | | | | | | Module, and (de-)serialize this information. Semantics of inferred submodules to follow. llvm-svn: 145864
* Fix printing of wildcard exports.Douglas Gregor2011-12-051-5/+14
| | | | llvm-svn: 145812
* Implement support for wildcard exports in modules, allowing a moduleDouglas Gregor2011-12-051-0/+12
| | | | | | | | to re-export anything that it imports. This opt-in feature makes a module behave more like a header, because it can be used to re-export the transitive closure of a (sub)module's dependencies. llvm-svn: 145811
* Implement (de-)serialization of the set of exported modules in aDouglas Gregor2011-12-021-0/+25
| | | | | | module map. llvm-svn: 145695
* Promote ModuleMap::Module to a namespace-scope class in the BasicDouglas Gregor2011-11-301-0/+91
library, since modules cut across all of the libraries. Rename serialization::Module to serialization::ModuleFile to side-step the annoying naming conflict. Prune a bunch of ModuleMap.h includes that are no longer needed (most files only needed the Module type). llvm-svn: 145538
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