Date: Sun, 17 Jul 2011 15:40:56 +0000 (UTC) From: Dimitry Andric <dim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r224135 - in vendor/clang/dist: . INPUTS bindings/python/clang bindings/python/tests/cindex clang.xcodeproj docs examples/Tooling include/clang-c include/clang/ARCMigrate include/clang/... Message-ID: <201107171540.p6HFeuLs079350@svn.freebsd.org>
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Author: dim Date: Sun Jul 17 15:40:56 2011 New Revision: 224135 URL: http://svn.freebsd.org/changeset/base/224135 Log: Vendor import of clang trunk r135360: http://llvm.org/svn/llvm-project/cfe/trunk@135360 Added: vendor/clang/dist/INPUTS/cfg-big-switch.c vendor/clang/dist/INPUTS/cfg-long-chain1.c vendor/clang/dist/INPUTS/cfg-long-chain2.c vendor/clang/dist/INPUTS/cfg-long-chain3.c vendor/clang/dist/INPUTS/cfg-nested-switches.c vendor/clang/dist/docs/AutomaticReferenceCounting.html vendor/clang/dist/include/clang/ARCMigrate/ vendor/clang/dist/include/clang/ARCMigrate/ARCMT.h vendor/clang/dist/include/clang/ARCMigrate/ARCMTActions.h vendor/clang/dist/include/clang/ARCMigrate/FileRemapper.h vendor/clang/dist/include/clang/AST/GlobalDecl.h vendor/clang/dist/include/clang/Basic/DelayedCleanupPool.h vendor/clang/dist/include/clang/Basic/DiagnosticCategories.h vendor/clang/dist/include/clang/Driver/ObjCRuntime.h vendor/clang/dist/include/clang/Sema/LocInfoType.h vendor/clang/dist/include/clang/Sema/TypoCorrection.h vendor/clang/dist/lib/ARCMigrate/ vendor/clang/dist/lib/ARCMigrate/ARCMT.cpp vendor/clang/dist/lib/ARCMigrate/ARCMTActions.cpp vendor/clang/dist/lib/ARCMigrate/CMakeLists.txt vendor/clang/dist/lib/ARCMigrate/FileRemapper.cpp vendor/clang/dist/lib/ARCMigrate/Internals.h vendor/clang/dist/lib/ARCMigrate/Makefile vendor/clang/dist/lib/ARCMigrate/TransARCAssign.cpp vendor/clang/dist/lib/ARCMigrate/TransAutoreleasePool.cpp vendor/clang/dist/lib/ARCMigrate/TransBlockObjCVariable.cpp vendor/clang/dist/lib/ARCMigrate/TransEmptyStatementsAndDealloc.cpp vendor/clang/dist/lib/ARCMigrate/TransProperties.cpp vendor/clang/dist/lib/ARCMigrate/TransRetainReleaseDealloc.cpp vendor/clang/dist/lib/ARCMigrate/TransUnbridgedCasts.cpp vendor/clang/dist/lib/ARCMigrate/TransUnusedInitDelegate.cpp vendor/clang/dist/lib/ARCMigrate/TransZeroOutPropsInDealloc.cpp vendor/clang/dist/lib/ARCMigrate/TransformActions.cpp vendor/clang/dist/lib/ARCMigrate/Transforms.cpp vendor/clang/dist/lib/ARCMigrate/Transforms.h vendor/clang/dist/lib/Sema/SemaExprMember.cpp vendor/clang/dist/test/ARCMT/ vendor/clang/dist/test/ARCMT/Common.h vendor/clang/dist/test/ARCMT/Inputs/ vendor/clang/dist/test/ARCMT/Inputs/test.h vendor/clang/dist/test/ARCMT/Inputs/test.h.result vendor/clang/dist/test/ARCMT/Inputs/test1.m.in vendor/clang/dist/test/ARCMT/Inputs/test1.m.in.result vendor/clang/dist/test/ARCMT/Inputs/test2.m.in vendor/clang/dist/test/ARCMT/Inputs/test2.m.in.result vendor/clang/dist/test/ARCMT/assign-prop-no-arc-runtime.m vendor/clang/dist/test/ARCMT/assign-prop-no-arc-runtime.m.result vendor/clang/dist/test/ARCMT/assign-prop-with-arc-runtime.m vendor/clang/dist/test/ARCMT/assign-prop-with-arc-runtime.m.result vendor/clang/dist/test/ARCMT/atautorelease-2.m vendor/clang/dist/test/ARCMT/atautorelease-2.m.result vendor/clang/dist/test/ARCMT/atautorelease-3.m vendor/clang/dist/test/ARCMT/atautorelease-3.m.result 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vendor/clang/dist/test/CodeGenCXX/vla.cpp vendor/clang/dist/test/CodeGenObjC/arc-arm.m vendor/clang/dist/test/CodeGenObjC/arc-block-ivar-layout.m vendor/clang/dist/test/CodeGenObjC/arc-bridged-cast.m vendor/clang/dist/test/CodeGenObjC/arc-compound-stmt.m vendor/clang/dist/test/CodeGenObjC/arc-foreach.m vendor/clang/dist/test/CodeGenObjC/arc-ivar-layout.m vendor/clang/dist/test/CodeGenObjC/arc-no-runtime.m vendor/clang/dist/test/CodeGenObjC/arc-related-result-type.m vendor/clang/dist/test/CodeGenObjC/arc-unbridged-cast.m vendor/clang/dist/test/CodeGenObjC/arc-unopt.m vendor/clang/dist/test/CodeGenObjC/arc-weak-property.m vendor/clang/dist/test/CodeGenObjC/arc.m vendor/clang/dist/test/CodeGenObjC/autorelease.m vendor/clang/dist/test/CodeGenObjC/gc.m vendor/clang/dist/test/CodeGenObjC/mrr-autorelease.m vendor/clang/dist/test/CodeGenObjC/nonlazy-msgSend.m vendor/clang/dist/test/CodeGenObjC/related-result-type.m vendor/clang/dist/test/CodeGenObjC/terminate.m vendor/clang/dist/test/CodeGenObjCXX/arc-globals.mm vendor/clang/dist/test/CodeGenObjCXX/arc-mangle.mm vendor/clang/dist/test/CodeGenObjCXX/arc-move.mm vendor/clang/dist/test/CodeGenObjCXX/arc-new-delete.mm vendor/clang/dist/test/CodeGenObjCXX/arc-pseudo-destructors.mm vendor/clang/dist/test/CodeGenObjCXX/arc-references.mm vendor/clang/dist/test/CodeGenObjCXX/arc-special-member-functions.mm vendor/clang/dist/test/CodeGenObjCXX/arc.mm vendor/clang/dist/test/CodeGenObjCXX/catch-id-type.mm vendor/clang/dist/test/CodeGenObjCXX/copy.mm vendor/clang/dist/test/CodeGenObjCXX/gc.mm vendor/clang/dist/test/CodeGenOpenCL/vector_literals_valid.cl vendor/clang/dist/test/Driver/arc-exceptions.m vendor/clang/dist/test/Driver/arc.c vendor/clang/dist/test/Driver/gnu-runtime.m vendor/clang/dist/test/Driver/ios-simulator-arcruntime.c vendor/clang/dist/test/Driver/mg.c vendor/clang/dist/test/Driver/no-objc-arr.m vendor/clang/dist/test/Driver/noexecstack.c vendor/clang/dist/test/FixIt/typo-crash.cpp 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vendor/clang/dist/test/SemaCXX/missing-namespace-qualifier-typo-corrections.cpp vendor/clang/dist/test/SemaCXX/null_in_arithmetic_ops.cpp vendor/clang/dist/test/SemaCXX/nullptr_in_arithmetic_ops.cpp vendor/clang/dist/test/SemaCXX/warn-memset-bad-sizeof.cpp vendor/clang/dist/test/SemaObjC/Inputs/ vendor/clang/dist/test/SemaObjC/Inputs/arc-system-header.h vendor/clang/dist/test/SemaObjC/arc-bridged-cast.m vendor/clang/dist/test/SemaObjC/arc-decls.m vendor/clang/dist/test/SemaObjC/arc-jump-block.m vendor/clang/dist/test/SemaObjC/arc-no-runtime.m vendor/clang/dist/test/SemaObjC/arc-non-pod-memaccess.m vendor/clang/dist/test/SemaObjC/arc-peformselector.m vendor/clang/dist/test/SemaObjC/arc-property-decl-attrs.m vendor/clang/dist/test/SemaObjC/arc-property-lifetime.m vendor/clang/dist/test/SemaObjC/arc-property.m vendor/clang/dist/test/SemaObjC/arc-system-header.m vendor/clang/dist/test/SemaObjC/arc-type-conversion.m vendor/clang/dist/test/SemaObjC/arc-unavailable-for-weakref.m 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vendor/clang/dist/tools/c-arcmt-test/Makefile vendor/clang/dist/tools/c-arcmt-test/c-arcmt-test.c vendor/clang/dist/tools/libclang/ARCMigrate.cpp Deleted: vendor/clang/dist/docs/index.html vendor/clang/dist/examples/Tooling/ vendor/clang/dist/include/clang/Tooling/ vendor/clang/dist/lib/CodeGen/GlobalDecl.h vendor/clang/dist/lib/Frontend/BoostConAction.cpp vendor/clang/dist/lib/Tooling/ vendor/clang/dist/test/CodeGen/call-knr-indirect.c vendor/clang/dist/test/CodeGenObjC/debug-info-foreach.m vendor/clang/dist/unittests/Tooling/ Modified: vendor/clang/dist/CMakeLists.txt vendor/clang/dist/LICENSE.TXT vendor/clang/dist/bindings/python/clang/cindex.py vendor/clang/dist/bindings/python/tests/cindex/test_cursor_kind.py vendor/clang/dist/bindings/python/tests/cindex/test_translation_unit.py vendor/clang/dist/clang.xcodeproj/project.pbxproj vendor/clang/dist/docs/Block-ABI-Apple.txt vendor/clang/dist/docs/BlockLanguageSpec.txt vendor/clang/dist/docs/DriverInternals.html vendor/clang/dist/docs/InternalsManual.html vendor/clang/dist/docs/LanguageExtensions.html vendor/clang/dist/docs/UsersManual.html vendor/clang/dist/include/clang-c/Index.h vendor/clang/dist/include/clang/AST/ASTContext.h vendor/clang/dist/include/clang/AST/ASTDiagnostic.h vendor/clang/dist/include/clang/AST/CanonicalType.h vendor/clang/dist/include/clang/AST/Decl.h vendor/clang/dist/include/clang/AST/DeclBase.h vendor/clang/dist/include/clang/AST/DeclCXX.h vendor/clang/dist/include/clang/AST/DeclObjC.h vendor/clang/dist/include/clang/AST/DeclTemplate.h vendor/clang/dist/include/clang/AST/DeclarationName.h vendor/clang/dist/include/clang/AST/Expr.h vendor/clang/dist/include/clang/AST/ExprCXX.h vendor/clang/dist/include/clang/AST/ExprObjC.h vendor/clang/dist/include/clang/AST/ExternalASTSource.h vendor/clang/dist/include/clang/AST/NestedNameSpecifier.h vendor/clang/dist/include/clang/AST/OperationKinds.h vendor/clang/dist/include/clang/AST/ParentMap.h 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vendor/clang/dist/lib/StaticAnalyzer/Core/ExprEngine.cpp vendor/clang/dist/lib/StaticAnalyzer/Core/RegionStore.cpp vendor/clang/dist/lib/StaticAnalyzer/Core/SimpleSValBuilder.cpp vendor/clang/dist/runtime/compiler-rt/Makefile vendor/clang/dist/test/Analysis/bstring.c vendor/clang/dist/test/Analysis/misc-ps-eager-assume.m vendor/clang/dist/test/Analysis/nullptr.cpp vendor/clang/dist/test/Analysis/pr4209.m vendor/clang/dist/test/Analysis/retain-release-gc-only.m vendor/clang/dist/test/Analysis/retain-release.m vendor/clang/dist/test/Analysis/retain-release.mm vendor/clang/dist/test/Analysis/string.c vendor/clang/dist/test/Analysis/uninit-ps-rdar6145427.m vendor/clang/dist/test/Analysis/uninit-vals-ps-region.m vendor/clang/dist/test/Analysis/uninit-vals.m vendor/clang/dist/test/Analysis/variadic-method-types.m vendor/clang/dist/test/CMakeLists.txt vendor/clang/dist/test/CXX/basic/basic.lookup/basic.lookup.argdep/p4.cpp vendor/clang/dist/test/CXX/dcl.dcl/dcl.spec/dcl.stc/p1.cpp 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vendor/clang/dist/test/CodeGen/volatile-1.c vendor/clang/dist/test/CodeGen/volatile-2.c vendor/clang/dist/test/CodeGen/x86_32-arguments-darwin.c vendor/clang/dist/test/CodeGen/x86_32-arguments-linux.c vendor/clang/dist/test/CodeGen/x86_64-arguments.c vendor/clang/dist/test/CodeGenCXX/anonymous-union-member-initializer.cpp vendor/clang/dist/test/CodeGenCXX/attr-used.cpp vendor/clang/dist/test/CodeGenCXX/block-byref-cxx-objc.cpp vendor/clang/dist/test/CodeGenCXX/blocks.cpp vendor/clang/dist/test/CodeGenCXX/class-layout.cpp vendor/clang/dist/test/CodeGenCXX/const-init.cpp vendor/clang/dist/test/CodeGenCXX/constructor-init.cpp vendor/clang/dist/test/CodeGenCXX/constructors.cpp vendor/clang/dist/test/CodeGenCXX/copy-constructor-elim-2.cpp vendor/clang/dist/test/CodeGenCXX/copy-constructor-synthesis-2.cpp vendor/clang/dist/test/CodeGenCXX/copy-initialization.cpp vendor/clang/dist/test/CodeGenCXX/cxx0x-defaulted-templates.cpp vendor/clang/dist/test/CodeGenCXX/cxx0x-delegating-ctors.cpp vendor/clang/dist/test/CodeGenCXX/default-constructor-default-argument.cpp vendor/clang/dist/test/CodeGenCXX/default-constructor-template-member.cpp vendor/clang/dist/test/CodeGenCXX/delete.cpp vendor/clang/dist/test/CodeGenCXX/destructors.cpp vendor/clang/dist/test/CodeGenCXX/eh.cpp vendor/clang/dist/test/CodeGenCXX/elide-call-reference.cpp vendor/clang/dist/test/CodeGenCXX/for-range.cpp vendor/clang/dist/test/CodeGenCXX/global-init.cpp vendor/clang/dist/test/CodeGenCXX/implicit-copy-constructor.cpp vendor/clang/dist/test/CodeGenCXX/init-incomplete-type.cpp vendor/clang/dist/test/CodeGenCXX/mangle-subst-std.cpp vendor/clang/dist/test/CodeGenCXX/mangle-template.cpp vendor/clang/dist/test/CodeGenCXX/mangle.cpp vendor/clang/dist/test/CodeGenCXX/member-function-pointers.cpp vendor/clang/dist/test/CodeGenCXX/member-init-assignment.cpp vendor/clang/dist/test/CodeGenCXX/member-init-ctor.cpp vendor/clang/dist/test/CodeGenCXX/new.cpp vendor/clang/dist/test/CodeGenCXX/nrvo.cpp vendor/clang/dist/test/CodeGenCXX/pointers-to-data-members.cpp vendor/clang/dist/test/CodeGenCXX/pr9965.cpp vendor/clang/dist/test/CodeGenCXX/references.cpp vendor/clang/dist/test/CodeGenCXX/static-init-3.cpp vendor/clang/dist/test/CodeGenCXX/static-init.cpp vendor/clang/dist/test/CodeGenCXX/stmtexpr.cpp vendor/clang/dist/test/CodeGenCXX/template-anonymous-types.cpp vendor/clang/dist/test/CodeGenCXX/temporaries.cpp vendor/clang/dist/test/CodeGenCXX/value-init.cpp vendor/clang/dist/test/CodeGenCXX/variadic-templates.cpp vendor/clang/dist/test/CodeGenCXX/virt-call-offsets.cpp vendor/clang/dist/test/CodeGenCXX/virtual-base-destructor-call.cpp vendor/clang/dist/test/CodeGenCXX/virtual-bases.cpp vendor/clang/dist/test/CodeGenCXX/virtual-functions-incomplete-types.cpp vendor/clang/dist/test/CodeGenCXX/virtual-pseudo-destructor-call.cpp vendor/clang/dist/test/CodeGenCXX/visibility-inlines-hidden.cpp vendor/clang/dist/test/CodeGenCXX/visibility.cpp vendor/clang/dist/test/CodeGenCXX/volatile-1.cpp vendor/clang/dist/test/CodeGenCXX/vtable-pointer-initialization.cpp vendor/clang/dist/test/CodeGenCXX/x86_32-arguments.cpp vendor/clang/dist/test/CodeGenCXX/x86_64-arguments.cpp vendor/clang/dist/test/CodeGenObjC/block-6.m vendor/clang/dist/test/CodeGenObjC/blocks.m vendor/clang/dist/test/CodeGenObjC/encode-test.m vendor/clang/dist/test/CodeGenObjC/exceptions-nonfragile.m vendor/clang/dist/test/CodeGenObjC/property-list-in-class.m vendor/clang/dist/test/CodeGenObjC/variadic-sends.m vendor/clang/dist/test/CodeGenObjCXX/encode.mm vendor/clang/dist/test/CodeGenObjCXX/property-object-conditional-exp.mm vendor/clang/dist/test/CodeGenObjCXX/property-objects.mm vendor/clang/dist/test/CodeGenOpenCL/2011-04-15-vec-init-from-vec.cl vendor/clang/dist/test/Driver/darwin-ld.c vendor/clang/dist/test/Driver/darwin-objc-options.m vendor/clang/dist/test/Driver/darwin-xarch.c vendor/clang/dist/test/Driver/rewrite-objc.m vendor/clang/dist/test/Driver/sysroot.c vendor/clang/dist/test/Driver/x86_features.c vendor/clang/dist/test/FixIt/fixit-objc.m vendor/clang/dist/test/FixIt/fixit.c vendor/clang/dist/test/FixIt/typo.cpp vendor/clang/dist/test/Frontend/dependency-gen.c vendor/clang/dist/test/Index/annotate-tokens-pp.c vendor/clang/dist/test/Index/annotate-tokens.cpp vendor/clang/dist/test/Index/annotate-tokens.m vendor/clang/dist/test/Index/c-index-api-loadTU-test.m vendor/clang/dist/test/Index/c-index-getCursor-pp.c vendor/clang/dist/test/Index/c-index-getCursor-test.m vendor/clang/dist/test/Index/code-completion.cpp vendor/clang/dist/test/Index/complete-exprs.m vendor/clang/dist/test/Index/complete-natural.m vendor/clang/dist/test/Index/complete-property-flags.m vendor/clang/dist/test/Index/get-cursor.cpp vendor/clang/dist/test/Index/nested-macro-instantiations.cpp vendor/clang/dist/test/Makefile vendor/clang/dist/test/Misc/caret-diags-macros.c vendor/clang/dist/test/Misc/diag-aka-types.cpp vendor/clang/dist/test/Misc/include-stack-for-note-flag.cpp vendor/clang/dist/test/Misc/macro-backtrace-limit.c vendor/clang/dist/test/PCH/variables.c vendor/clang/dist/test/PCH/variables.h vendor/clang/dist/test/Parser/MicrosoftExtensions.c vendor/clang/dist/test/Parser/recovery.c vendor/clang/dist/test/Parser/switch-recovery.cpp vendor/clang/dist/test/Preprocessor/include-directive2.c vendor/clang/dist/test/Preprocessor/init.c vendor/clang/dist/test/Preprocessor/macro_paste_bad.c vendor/clang/dist/test/Preprocessor/macro_paste_hashhash.c vendor/clang/dist/test/Preprocessor/macro_paste_simple.c vendor/clang/dist/test/Preprocessor/warn-macro-unused.c vendor/clang/dist/test/Sema/arm-neon-types.c vendor/clang/dist/test/Sema/asm.c vendor/clang/dist/test/Sema/attr-deprecated.c vendor/clang/dist/test/Sema/attr-naked.c vendor/clang/dist/test/Sema/attr-unavailable-message.c vendor/clang/dist/test/Sema/attr-weak.c vendor/clang/dist/test/Sema/bitfield.c vendor/clang/dist/test/Sema/compare.c vendor/clang/dist/test/Sema/const-eval.c vendor/clang/dist/test/Sema/conversion-64-32.c vendor/clang/dist/test/Sema/conversion.c vendor/clang/dist/test/Sema/ext_vector_casts.c vendor/clang/dist/test/Sema/extern-redecl.c vendor/clang/dist/test/Sema/format-strings.c vendor/clang/dist/test/Sema/i-c-e.c vendor/clang/dist/test/Sema/incomplete-decl.c vendor/clang/dist/test/Sema/inline.c vendor/clang/dist/test/Sema/parentheses.c vendor/clang/dist/test/Sema/parentheses.cpp vendor/clang/dist/test/Sema/pointer-addition.c vendor/clang/dist/test/Sema/pointer-subtract-compat.c vendor/clang/dist/test/Sema/shift.c vendor/clang/dist/test/Sema/struct-decl.c vendor/clang/dist/test/Sema/typecheck-binop.c vendor/clang/dist/test/Sema/typedef-variable-type.c vendor/clang/dist/test/Sema/uninit-variables.c vendor/clang/dist/test/Sema/varargs.c vendor/clang/dist/test/Sema/vla.c vendor/clang/dist/test/Sema/x86-builtin-palignr.c vendor/clang/dist/test/SemaCXX/PR9459.cpp vendor/clang/dist/test/SemaCXX/alignof-sizeof-reference.cpp vendor/clang/dist/test/SemaCXX/attr-unavailable.cpp vendor/clang/dist/test/SemaCXX/c99-variable-length-array.cpp vendor/clang/dist/test/SemaCXX/condition.cpp vendor/clang/dist/test/SemaCXX/conversion-function.cpp vendor/clang/dist/test/SemaCXX/copy-assignment.cpp vendor/clang/dist/test/SemaCXX/crashes.cpp vendor/clang/dist/test/SemaCXX/decltype.cpp vendor/clang/dist/test/SemaCXX/enum-scoped.cpp vendor/clang/dist/test/SemaCXX/expressions.cpp vendor/clang/dist/test/SemaCXX/generalized-initializers.cpp vendor/clang/dist/test/SemaCXX/i-c-e-cxx.cpp vendor/clang/dist/test/SemaCXX/member-init.cpp vendor/clang/dist/test/SemaCXX/member-pointer.cpp vendor/clang/dist/test/SemaCXX/nested-name-spec.cpp vendor/clang/dist/test/SemaCXX/new-delete.cpp vendor/clang/dist/test/SemaCXX/overloaded-name.cpp vendor/clang/dist/test/SemaCXX/return.cpp vendor/clang/dist/test/SemaCXX/vararg-non-pod.cpp vendor/clang/dist/test/SemaCXX/vector.cpp vendor/clang/dist/test/SemaCXX/virtuals.cpp vendor/clang/dist/test/SemaCXX/warn-bad-memaccess.cpp vendor/clang/dist/test/SemaCXX/warn-pure-virtual-call-from-ctor-dtor.cpp vendor/clang/dist/test/SemaCXX/warn-unused-variables.cpp vendor/clang/dist/test/SemaObjC/class-proto-1.m vendor/clang/dist/test/SemaObjC/class-unavail-warning.m vendor/clang/dist/test/SemaObjC/error-property-gc-attr.m vendor/clang/dist/test/SemaObjC/forward-class-1.m vendor/clang/dist/test/SemaObjC/ivar-ref-misuse.m vendor/clang/dist/test/SemaObjC/method-lookup-3.m vendor/clang/dist/test/SemaObjC/property-10.m vendor/clang/dist/test/SemaObjC/property-inherited.m vendor/clang/dist/test/SemaObjC/related-result-type-inference.m vendor/clang/dist/test/SemaObjC/selector-3.m vendor/clang/dist/test/SemaObjC/self-declared-in-block.m vendor/clang/dist/test/SemaObjC/sizeof-interface.m vendor/clang/dist/test/SemaObjC/special-dep-unavail-warning.m vendor/clang/dist/test/SemaObjC/synthesized-ivar.m vendor/clang/dist/test/SemaObjC/typedef-class.m vendor/clang/dist/test/SemaObjC/undef-superclass-1.m vendor/clang/dist/test/SemaObjCXX/exceptions-fragile.mm vendor/clang/dist/test/SemaObjCXX/gc-attributes.mm vendor/clang/dist/test/SemaObjCXX/nullptr.mm vendor/clang/dist/test/SemaObjCXX/related-result-type-inference.mm vendor/clang/dist/test/SemaTemplate/class-template-decl.cpp vendor/clang/dist/test/SemaTemplate/deduction.cpp vendor/clang/dist/test/SemaTemplate/default-arguments.cpp vendor/clang/dist/test/SemaTemplate/dependent-names-no-std.cpp vendor/clang/dist/test/SemaTemplate/dependent-names.cpp vendor/clang/dist/test/SemaTemplate/ext-vector-type.cpp vendor/clang/dist/test/SemaTemplate/instantiate-call.cpp vendor/clang/dist/test/SemaTemplate/instantiate-function-2.cpp vendor/clang/dist/test/SemaTemplate/instantiate-member-class.cpp vendor/clang/dist/test/SemaTemplate/instantiate-try-catch.cpp vendor/clang/dist/test/Unit/lit.cfg vendor/clang/dist/tools/CMakeLists.txt vendor/clang/dist/tools/Makefile vendor/clang/dist/tools/c-index-test/Makefile vendor/clang/dist/tools/c-index-test/c-index-test.c vendor/clang/dist/tools/driver/CMakeLists.txt vendor/clang/dist/tools/driver/Makefile vendor/clang/dist/tools/driver/cc1_main.cpp vendor/clang/dist/tools/driver/cc1as_main.cpp vendor/clang/dist/tools/driver/driver.cpp vendor/clang/dist/tools/libclang/CIndex.cpp vendor/clang/dist/tools/libclang/CIndexCodeCompletion.cpp vendor/clang/dist/tools/libclang/CMakeLists.txt vendor/clang/dist/tools/libclang/CXCursor.cpp vendor/clang/dist/tools/libclang/CXCursor.h vendor/clang/dist/tools/libclang/CXType.cpp vendor/clang/dist/tools/libclang/Makefile vendor/clang/dist/tools/libclang/libclang.darwin.exports vendor/clang/dist/tools/libclang/libclang.exports vendor/clang/dist/tools/scan-build/ccc-analyzer vendor/clang/dist/unittests/Basic/FileManagerTest.cpp vendor/clang/dist/unittests/Frontend/Makefile vendor/clang/dist/www/compatibility.html Modified: vendor/clang/dist/CMakeLists.txt ============================================================================== --- vendor/clang/dist/CMakeLists.txt Sun Jul 17 15:38:20 2011 (r224134) +++ vendor/clang/dist/CMakeLists.txt Sun Jul 17 15:40:56 2011 (r224135) @@ -20,7 +20,11 @@ if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURR endif() if( NOT EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/tblgen${CMAKE_EXECUTABLE_SUFFIX}" ) - message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_BUILD to a directory containing a LLVM build.") + # Looking for bin/Debug/tblgen is a complete hack. How can we get + # around this? + if( NOT EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/Debug/tblgen${CMAKE_EXECUTABLE_SUFFIX}" ) + message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_BUILD to a directory containing a LLVM build.") + endif() endif() list(APPEND CMAKE_MODULE_PATH "${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake") @@ -42,7 +46,12 @@ if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURR include_directories("${PATH_TO_LLVM_BUILD}/include" "${LLVM_MAIN_INCLUDE_DIR}") link_directories("${PATH_TO_LLVM_BUILD}/lib") - set(LLVM_TABLEGEN_EXE "${PATH_TO_LLVM_BUILD}/bin/tblgen") + if( EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/tblgen${CMAKE_EXECUTABLE_SUFFIX}" ) + set(LLVM_TABLEGEN_EXE "${PATH_TO_LLVM_BUILD}/bin/tblgen") + else() + # FIXME: This is an utter hack. + set(LLVM_TABLEGEN_EXE "${PATH_TO_LLVM_BUILD}/bin/Debug/tblgen") + endif() set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin ) set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib ) Added: vendor/clang/dist/INPUTS/cfg-big-switch.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/clang/dist/INPUTS/cfg-big-switch.c Sun Jul 17 15:40:56 2011 (r224135) @@ -0,0 +1,27 @@ +#define EXPAND_2_CASES(i, x, y) CASE(i, x, y); CASE(i + 1, x, y); +#define EXPAND_4_CASES(i, x, y) EXPAND_2_CASES(i, x, y) EXPAND_2_CASES(i + 2, x, y) +#define EXPAND_8_CASES(i, x, y) EXPAND_4_CASES(i, x, y) EXPAND_4_CASES(i + 4, x, y) +#define EXPAND_16_CASES(i, x, y) EXPAND_8_CASES(i, x, y) EXPAND_8_CASES(i + 8, x, y) +#define EXPAND_32_CASES(i, x, y) EXPAND_16_CASES(i, x, y) EXPAND_16_CASES(i + 16, x, y) +#define EXPAND_64_CASES(i, x, y) EXPAND_32_CASES(i, x, y) EXPAND_32_CASES(i + 32, x, y) +#define EXPAND_128_CASES(i, x, y) EXPAND_64_CASES(i, x, y) EXPAND_64_CASES(i + 64, x, y) +#define EXPAND_256_CASES(i, x, y) EXPAND_128_CASES(i, x, y) EXPAND_128_CASES(i + 128, x, y) +#define EXPAND_512_CASES(i, x, y) EXPAND_256_CASES(i, x, y) EXPAND_256_CASES(i + 256, x, y) +#define EXPAND_1024_CASES(i, x, y) EXPAND_512_CASES(i, x, y) EXPAND_512_CASES(i + 512, x, y) +#define EXPAND_2048_CASES(i, x, y) EXPAND_1024_CASES(i, x, y) EXPAND_1024_CASES(i + 1024, x, y) +#define EXPAND_4096_CASES(i, x, y) EXPAND_2048_CASES(i, x, y) EXPAND_2048_CASES(i + 2048, x, y) + +// This has a *monstrous* single fan-out in the CFG, across 8000 blocks inside +// the while loop. +unsigned cfg_big_switch(int x) { + unsigned y = 0; + while (x > 0) { + switch(x) { +#define CASE(i, x, y) \ + case i: { int case_var = 3*x + i; y += case_var - 1; break; } +EXPAND_4096_CASES(0, x, y); + } + --x; + } + return y; +} Added: vendor/clang/dist/INPUTS/cfg-long-chain1.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/clang/dist/INPUTS/cfg-long-chain1.c Sun Jul 17 15:40:56 2011 (r224135) @@ -0,0 +1,20 @@ +#define EXPAND_2_BRANCHES(i, x, y) BRANCH(i, x, y); BRANCH(i + 1, x, y); +#define EXPAND_4_BRANCHES(i, x, y) EXPAND_2_BRANCHES(i, x, y) EXPAND_2_BRANCHES(i + 2, x, y) +#define EXPAND_8_BRANCHES(i, x, y) EXPAND_4_BRANCHES(i, x, y) EXPAND_4_BRANCHES(i + 4, x, y) +#define EXPAND_16_BRANCHES(i, x, y) EXPAND_8_BRANCHES(i, x, y) EXPAND_8_BRANCHES(i + 8, x, y) +#define EXPAND_32_BRANCHES(i, x, y) EXPAND_16_BRANCHES(i, x, y) EXPAND_16_BRANCHES(i + 16, x, y) +#define EXPAND_64_BRANCHES(i, x, y) EXPAND_32_BRANCHES(i, x, y) EXPAND_32_BRANCHES(i + 32, x, y) +#define EXPAND_128_BRANCHES(i, x, y) EXPAND_64_BRANCHES(i, x, y) EXPAND_64_BRANCHES(i + 64, x, y) +#define EXPAND_256_BRANCHES(i, x, y) EXPAND_128_BRANCHES(i, x, y) EXPAND_128_BRANCHES(i + 128, x, y) +#define EXPAND_512_BRANCHES(i, x, y) EXPAND_256_BRANCHES(i, x, y) EXPAND_256_BRANCHES(i + 256, x, y) +#define EXPAND_1024_BRANCHES(i, x, y) EXPAND_512_BRANCHES(i, x, y) EXPAND_512_BRANCHES(i + 512, x, y) +#define EXPAND_2048_BRANCHES(i, x, y) EXPAND_1024_BRANCHES(i, x, y) EXPAND_1024_BRANCHES(i + 1024, x, y) +#define EXPAND_4096_BRANCHES(i, x, y) EXPAND_2048_BRANCHES(i, x, y) EXPAND_2048_BRANCHES(i + 2048, x, y) + +unsigned cfg_long_chain_single_exit(unsigned x) { + unsigned y = 0; +#define BRANCH(i, x, y) if ((x % 13171) < i) { int var = x / 13171; y ^= var; } + EXPAND_4096_BRANCHES(1, x, y); +#undef BRANCH + return y; +} Added: vendor/clang/dist/INPUTS/cfg-long-chain2.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/clang/dist/INPUTS/cfg-long-chain2.c Sun Jul 17 15:40:56 2011 (r224135) @@ -0,0 +1,20 @@ +#define EXPAND_2_BRANCHES(i, x, y) BRANCH(i, x, y); BRANCH(i + 1, x, y); +#define EXPAND_4_BRANCHES(i, x, y) EXPAND_2_BRANCHES(i, x, y) EXPAND_2_BRANCHES(i + 2, x, y) +#define EXPAND_8_BRANCHES(i, x, y) EXPAND_4_BRANCHES(i, x, y) EXPAND_4_BRANCHES(i + 4, x, y) +#define EXPAND_16_BRANCHES(i, x, y) EXPAND_8_BRANCHES(i, x, y) EXPAND_8_BRANCHES(i + 8, x, y) +#define EXPAND_32_BRANCHES(i, x, y) EXPAND_16_BRANCHES(i, x, y) EXPAND_16_BRANCHES(i + 16, x, y) +#define EXPAND_64_BRANCHES(i, x, y) EXPAND_32_BRANCHES(i, x, y) EXPAND_32_BRANCHES(i + 32, x, y) +#define EXPAND_128_BRANCHES(i, x, y) EXPAND_64_BRANCHES(i, x, y) EXPAND_64_BRANCHES(i + 64, x, y) +#define EXPAND_256_BRANCHES(i, x, y) EXPAND_128_BRANCHES(i, x, y) EXPAND_128_BRANCHES(i + 128, x, y) +#define EXPAND_512_BRANCHES(i, x, y) EXPAND_256_BRANCHES(i, x, y) EXPAND_256_BRANCHES(i + 256, x, y) +#define EXPAND_1024_BRANCHES(i, x, y) EXPAND_512_BRANCHES(i, x, y) EXPAND_512_BRANCHES(i + 512, x, y) +#define EXPAND_2048_BRANCHES(i, x, y) EXPAND_1024_BRANCHES(i, x, y) EXPAND_1024_BRANCHES(i + 1024, x, y) +#define EXPAND_4096_BRANCHES(i, x, y) EXPAND_2048_BRANCHES(i, x, y) EXPAND_2048_BRANCHES(i + 2048, x, y) + +unsigned cfg_long_chain_multiple_exit(unsigned x) { + unsigned y = 0; +#define BRANCH(i, x, y) if (((x % 13171) + ++y) < i) { int var = x / 13171 + y; return var; } + EXPAND_4096_BRANCHES(1, x, y); +#undef BRANCH + return 42; +} Added: vendor/clang/dist/INPUTS/cfg-long-chain3.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/clang/dist/INPUTS/cfg-long-chain3.c Sun Jul 17 15:40:56 2011 (r224135) @@ -0,0 +1,21 @@ +#define EXPAND_2_BRANCHES(i, x, y) BRANCH(i, x, y); BRANCH(i + 1, x, y); +#define EXPAND_4_BRANCHES(i, x, y) EXPAND_2_BRANCHES(i, x, y) EXPAND_2_BRANCHES(i + 2, x, y) +#define EXPAND_8_BRANCHES(i, x, y) EXPAND_4_BRANCHES(i, x, y) EXPAND_4_BRANCHES(i + 4, x, y) +#define EXPAND_16_BRANCHES(i, x, y) EXPAND_8_BRANCHES(i, x, y) EXPAND_8_BRANCHES(i + 8, x, y) +#define EXPAND_32_BRANCHES(i, x, y) EXPAND_16_BRANCHES(i, x, y) EXPAND_16_BRANCHES(i + 16, x, y) +#define EXPAND_64_BRANCHES(i, x, y) EXPAND_32_BRANCHES(i, x, y) EXPAND_32_BRANCHES(i + 32, x, y) +#define EXPAND_128_BRANCHES(i, x, y) EXPAND_64_BRANCHES(i, x, y) EXPAND_64_BRANCHES(i + 64, x, y) +#define EXPAND_256_BRANCHES(i, x, y) EXPAND_128_BRANCHES(i, x, y) EXPAND_128_BRANCHES(i + 128, x, y) +#define EXPAND_512_BRANCHES(i, x, y) EXPAND_256_BRANCHES(i, x, y) EXPAND_256_BRANCHES(i + 256, x, y) +#define EXPAND_1024_BRANCHES(i, x, y) EXPAND_512_BRANCHES(i, x, y) EXPAND_512_BRANCHES(i + 512, x, y) +#define EXPAND_2048_BRANCHES(i, x, y) EXPAND_1024_BRANCHES(i, x, y) EXPAND_1024_BRANCHES(i + 1024, x, y) +#define EXPAND_4096_BRANCHES(i, x, y) EXPAND_2048_BRANCHES(i, x, y) EXPAND_2048_BRANCHES(i + 2048, x, y) + +unsigned cfg_long_chain_many_preds(unsigned x) { + unsigned y = 0; +#define BRANCH(i, x, y) if ((x % 13171) < i) { int var = x / 13171; y ^= var; } else + EXPAND_4096_BRANCHES(1, x, y); +#undef BRANCH + int var = x / 13171; y^= var; + return y; +} Added: vendor/clang/dist/INPUTS/cfg-nested-switches.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/clang/dist/INPUTS/cfg-nested-switches.c Sun Jul 17 15:40:56 2011 (r224135) @@ -0,0 +1,36 @@ +#define EXPAND_2_INNER_CASES(i, x, y) INNER_CASE(i, x, y); INNER_CASE(i + 1, x, y); +#define EXPAND_4_INNER_CASES(i, x, y) EXPAND_2_INNER_CASES(i, x, y) EXPAND_2_INNER_CASES(i + 2, x, y) +#define EXPAND_8_INNER_CASES(i, x, y) EXPAND_4_INNER_CASES(i, x, y) EXPAND_4_INNER_CASES(i + 4, x, y) +#define EXPAND_16_INNER_CASES(i, x, y) EXPAND_8_INNER_CASES(i, x, y) EXPAND_8_INNER_CASES(i + 8, x, y) +#define EXPAND_32_INNER_CASES(i, x, y) EXPAND_16_INNER_CASES(i, x, y) EXPAND_16_INNER_CASES(i + 16, x, y) +#define EXPAND_64_INNER_CASES(i, x, y) EXPAND_32_INNER_CASES(i, x, y) EXPAND_32_INNER_CASES(i + 32, x, y) + +#define EXPAND_2_OUTER_CASES(i, x, y) OUTER_CASE(i, x, y); OUTER_CASE(i + 1, x, y); +#define EXPAND_4_OUTER_CASES(i, x, y) EXPAND_2_OUTER_CASES(i, x, y) EXPAND_2_OUTER_CASES(i + 2, x, y) +#define EXPAND_8_OUTER_CASES(i, x, y) EXPAND_4_OUTER_CASES(i, x, y) EXPAND_4_OUTER_CASES(i + 4, x, y) +#define EXPAND_16_OUTER_CASES(i, x, y) EXPAND_8_OUTER_CASES(i, x, y) EXPAND_8_OUTER_CASES(i + 8, x, y) +#define EXPAND_32_OUTER_CASES(i, x, y) EXPAND_16_OUTER_CASES(i, x, y) EXPAND_16_OUTER_CASES(i + 16, x, y) +#define EXPAND_64_OUTER_CASES(i, x, y) EXPAND_32_OUTER_CASES(i, x, y) EXPAND_32_OUTER_CASES(i + 32, x, y) + +// Rather than a single monstrous fan-out, this fans out in smaller increments, +// but to a similar size. +unsigned cfg_nested_switch(int x) { + unsigned y = 0; + while (x > 0) { + switch (x) { +#define INNER_CASE(i, x, y) \ + case i: { int case_var = 3*x + i; y += case_var - 1; break; } +#define OUTER_CASE(i, x, y) \ + case i: { \ + int case_var = y >> 8; \ + switch (case_var) { \ + EXPAND_64_INNER_CASES(0, x, y); \ + } \ + break; \ + } +EXPAND_64_OUTER_CASES(0, x, y); + } + --x; + } + return y; +} Modified: vendor/clang/dist/LICENSE.TXT ============================================================================== --- vendor/clang/dist/LICENSE.TXT Sun Jul 17 15:38:20 2011 (r224134) +++ vendor/clang/dist/LICENSE.TXT Sun Jul 17 15:40:56 2011 (r224135) @@ -4,7 +4,7 @@ LLVM Release License University of Illinois/NCSA Open Source License -Copyright (c) 2007-2010 University of Illinois at Urbana-Champaign. +Copyright (c) 2007-2011 University of Illinois at Urbana-Champaign. All rights reserved. Developed by: Modified: vendor/clang/dist/bindings/python/clang/cindex.py ============================================================================== --- vendor/clang/dist/bindings/python/clang/cindex.py Sun Jul 17 15:38:20 2011 (r224134) +++ vendor/clang/dist/bindings/python/clang/cindex.py Sun Jul 17 15:40:56 2011 (r224135) @@ -321,6 +321,10 @@ class CursorKind(object): """Test if this is a statement kind.""" return CursorKind_is_stmt(self) + def is_attribute(self): + """Test if this is an attribute kind.""" + return CursorKind_is_attribute(self) + def is_invalid(self): """Test if this is an invalid kind.""" return CursorKind_is_inv(self) @@ -978,8 +982,9 @@ class TranslationUnit(ClangObject): headers. """ def visitor(fobj, lptr, depth, includes): - loc = lptr.contents - includes.append(FileInclusion(loc.file, File(fobj), loc, depth)) + if depth > 0: + loc = lptr.contents + includes.append(FileInclusion(loc.file, File(fobj), loc, depth)) # Automatically adapt CIndex/ctype pointers to python objects includes = [] @@ -1074,7 +1079,7 @@ class File(ClangObject): @property def name(self): """Return the complete file and path name of the file.""" - return File_name(self) + return _CXString_getCString(File_name(self)) @property def time(self): @@ -1147,6 +1152,10 @@ CursorKind_is_stmt = lib.clang_isStateme CursorKind_is_stmt.argtypes = [CursorKind] CursorKind_is_stmt.restype = bool +CursorKind_is_attribute = lib.clang_isAttribute +CursorKind_is_attribute.argtypes = [CursorKind] +CursorKind_is_attribute.restype = bool + CursorKind_is_inv = lib.clang_isInvalid CursorKind_is_inv.argtypes = [CursorKind] CursorKind_is_inv.restype = bool @@ -1183,6 +1192,11 @@ Cursor_spelling.argtypes = [Cursor] Cursor_spelling.restype = _CXString Cursor_spelling.errcheck = _CXString.from_result +Cursor_displayname = lib.clang_getCursorDisplayName +Cursor_displayname.argtypes = [Cursor] +Cursor_displayname.restype = _CXString +Cursor_displayname.errcheck = _CXString.from_result + Cursor_loc = lib.clang_getCursorLocation Cursor_loc.argtypes = [Cursor] Cursor_loc.restype = SourceLocation @@ -1253,7 +1267,7 @@ TranslationUnit_includes.argtypes = [Tra # File Functions File_name = lib.clang_getFileName File_name.argtypes = [File] -File_name.restype = c_char_p +File_name.restype = _CXString File_time = lib.clang_getFileTime File_time.argtypes = [File] Modified: vendor/clang/dist/bindings/python/tests/cindex/test_cursor_kind.py ============================================================================== --- vendor/clang/dist/bindings/python/tests/cindex/test_cursor_kind.py Sun Jul 17 15:38:20 2011 (r224134) +++ vendor/clang/dist/bindings/python/tests/cindex/test_cursor_kind.py Sun Jul 17 15:40:56 2011 (r224135) @@ -18,10 +18,14 @@ def test_kind_groups(): for k in CursorKind.get_all_kinds(): group = [n for n in ('is_declaration', 'is_reference', 'is_expression', - 'is_statement', 'is_invalid') + 'is_statement', 'is_invalid', 'is_attribute') if getattr(k, n)()] - if k == CursorKind.TRANSLATION_UNIT: + if k in ( CursorKind.TRANSLATION_UNIT, + CursorKind.MACRO_DEFINITION, + CursorKind.MACRO_INSTANTIATION, + CursorKind.INCLUSION_DIRECTIVE, + CursorKind.PREPROCESSING_DIRECTIVE): assert len(group) == 0 else: assert len(group) == 1 Modified: vendor/clang/dist/bindings/python/tests/cindex/test_translation_unit.py ============================================================================== --- vendor/clang/dist/bindings/python/tests/cindex/test_translation_unit.py Sun Jul 17 15:38:20 2011 (r224134) +++ vendor/clang/dist/bindings/python/tests/cindex/test_translation_unit.py Sun Jul 17 15:40:56 2011 (r224135) @@ -58,24 +58,27 @@ def test_unsaved_files_2(): spellings = [c.spelling for c in tu.cursor.get_children()] assert spellings[-1] == 'x' +def normpaths_equal(path1, path2): + """ Compares two paths for equality after normalizing them with + os.path.normpath + """ + return os.path.normpath(path1) == os.path.normpath(path2) def test_includes(): def eq(expected, actual): if not actual.is_input_file: - return expected[0] == actual.source.name and \ - expected[1] == actual.include.name + return normpaths_equal(expected[0], actual.source.name) and \ + normpaths_equal(expected[1], actual.include.name) else: - return expected[1] == actual.include.name + return normpaths_equal(expected[1], actual.include.name) src = os.path.join(kInputsDir, 'include.cpp') h1 = os.path.join(kInputsDir, "header1.h") h2 = os.path.join(kInputsDir, "header2.h") h3 = os.path.join(kInputsDir, "header3.h") - inc = [(None, src), (src, h1), (h1, h3), (src, h2), (h2, h3)] + inc = [(src, h1), (h1, h3), (src, h2), (h2, h3)] index = Index.create() tu = index.parse(src) for i in zip(inc, tu.get_includes()): assert eq(i[0], i[1]) - - Modified: vendor/clang/dist/clang.xcodeproj/project.pbxproj ============================================================================== --- vendor/clang/dist/clang.xcodeproj/project.pbxproj Sun Jul 17 15:38:20 2011 (r224134) +++ vendor/clang/dist/clang.xcodeproj/project.pbxproj Sun Jul 17 15:40:56 2011 (r224135) @@ -373,6 +373,12 @@ 90FD6D90103C3D80005F5B73 /* TypeXML.def */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = TypeXML.def; path = clang/Frontend/TypeXML.def; sourceTree = "<group>"; }; 90FD6D91103C3D80005F5B73 /* Utils.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Utils.h; path = clang/Frontend/Utils.h; sourceTree = "<group>"; }; 90FD6DB5103D977E005F5B73 /* index-test.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = "index-test.cpp"; path = "tools/index-test/index-test.cpp"; sourceTree = "<group>"; }; + BB20603B131EDDBF003C3343 /* CMakeLists.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = CMakeLists.txt; sourceTree = "<group>"; }; + BB20603C131EDDBF003C3343 /* Makefile */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.make; path = Makefile; sourceTree = "<group>"; }; + BB206041131EDDDA003C3343 /* ARRMT.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ARRMT.h; sourceTree = "<group>"; }; + BB206043131EDE03003C3343 /* arrmt-test.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = "arrmt-test.cpp"; sourceTree = "<group>"; }; + BB206044131EDE03003C3343 /* CMakeLists.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = CMakeLists.txt; sourceTree = "<group>"; }; + BB206045131EDE03003C3343 /* Makefile */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.make; path = Makefile; sourceTree = "<group>"; }; BB5C372812A5057500259F53 /* DumpXML.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = DumpXML.cpp; path = /Volumes/Data/llvm/tools/clang/lib/AST/DumpXML.cpp; sourceTree = "<absolute>"; }; BBA5AB141309C2FA000B38F1 /* AdjustedReturnValueChecker.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = AdjustedReturnValueChecker.cpp; sourceTree = "<group>"; 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+ + var item = document.createElement("li"); + item.appendChild(document.createTextNode(childAncestry + " ")); + + var anchor = document.createElement("a"); + anchor.href = "#" + child.id; + anchor.innerHTML = title; + item.appendChild(anchor); + + buildTOC(child, item, childAncestry); + + list.appendChild(item); + } + if (list) toc.appendChild(list); +} + +function onLoad() { + var toc = document.getElementById("toc"); + var content = document.getElementById("content"); + buildTOC(content, toc, ""); +} +window.onload = onLoad; + +</script> +</head> +<body> + +<!--#include virtual="../menu.html.incl"--> + +<div id="content"> +<h1>Automatic Reference Counting</h1> + +<div id="toc"> +</div> + +<div id="meta"> +<h1>About this document</h1> + +<div id="meta.purpose"> +<h1>Purpose</h1> + +<p>The first and primary purpose of this document is to serve as a +complete technical specification of Automatic Reference Counting. +Given a core Objective-C compiler and runtime, it should be possible +to write a compiler and runtime which implements these new +semantics.</p> + +<p>The secondary purpose is to act as a rationale for why ARC was +designed in this way. This should remain tightly focused on the +technical design and should not stray into marketing speculation.</p> + +</div> <!-- meta.purpose --> + +<div id="meta.background"> +<h1>Background</h1> + +<p>This document assumes a basic familiarity with C.</p> + +<p><span class="term">Blocks</span> are a C language extension for +creating anonymous functions. Users interact with and transfer block +objects using <span class="term">block pointers</span>, which are +represented like a normal pointer. A block may capture values from +local variables; when this occurs, memory must be dynamically +allocated. The initial allocation is done on the stack, but the +runtime provides a <tt>Block_copy</tt> function which, given a block +pointer, either copies the underlying block object to the heap, +setting its reference count to 1 and returning the new block pointer, +or (if the block object is already on the heap) increases its +reference count by 1. The paired function is <tt>Block_release</tt>, +which decreases the reference count by 1 and destroys the object if +the count reaches zero and is on the heap.</p> + +<p>Objective-C is a set of language extensions, significant enough to +be considered a different language. It is a strict superset of C. +The extensions can also be imposed on C++, producing a language called +Objective-C++. The primary feature is a single-inheritance object +system; we briefly describe the modern dialect.</p> + +<p>Objective-C defines a new type kind, collectively called +the <span class="term">object pointer types</span>. This kind has two +notable builtin members, <tt>id</tt> and <tt>Class</tt>; <tt>id</tt> +is the final supertype of all object pointers. The validity of +conversions between object pointer types is not checked at runtime. +Users may define <span class="term">classes</span>; each class is a +type, and the pointer to that type is an object pointer type. A class +may have a superclass; its pointer type is a subtype of its +superclass's pointer type. A class has a set +of <span class="term">ivars</span>, fields which appear on all +instances of that class. For every class <i>T</i> there's an +associated metaclass; it has no fields, its superclass is the +metaclass of <i>T</i>'s superclass, and its metaclass is a global +class. Every class has a global object whose class is the +class's metaclass; metaclasses have no associated type, so pointers to +this object have type <tt>Class</tt>.</p> + +<p>A class declaration (<tt>@interface</tt>) declares a set +of <span class="term">methods</span>. A method has a return type, a +list of argument types, and a <span class="term">selector</span>: a +name like <tt>foo:bar:baz:</tt>, where the number of colons +corresponds to the number of formal arguments. A method may be an +instance method, in which case it can be invoked on objects of the +class, or a class method, in which case it can be invoked on objects +of the metaclass. A method may be invoked by providing an object +(called the <span class="term">receiver</span>) and a list of formal +arguments interspersed with the selector, like so:</p> + +<pre>[receiver foo: fooArg bar: barArg baz: bazArg]</pre> + +<p>This looks in the dynamic class of the receiver for a method with +this name, then in that class's superclass, etc., until it finds +something it can execute. The receiver <q>expression</q> may also be +the name of a class, in which case the actual receiver is the class +object for that class, or (within method definitions) it may +be <tt>super</tt>, in which case the lookup algorithm starts with the +static superclass instead of the dynamic class. The actual methods +dynamically found in a class are not those declared in the +<tt>@interface</tt>, but those defined in a separate +<tt>@implementation</tt> declaration; however, when compiling a +call, typechecking is done based on the methods declared in the +<tt>@interface</tt>.</p> + +<p>Method declarations may also be grouped into +<span class="term">protocols</span>, which are not inherently +associated with any class, but which classes may claim to follow. +Object pointer types may be qualified with additional protocols that +the object is known to support.</p> + +<p><span class="term">Class extensions</span> are collections of ivars +and methods, designed to allow a class's <tt>@interface</tt> to be +split across multiple files; however, there is still a primary +implementation file which must see the <tt>@interface</tt>s of all +class extensions. +<span class="term">Categories</span> allow methods (but not ivars) to +be declared <i>post hoc</i> on an arbitrary class; the methods in the +category's <tt>@implementation</tt> will be dynamically added to that +class's method tables which the category is loaded at runtime, +replacing those methods in case of a collision.</p> + +<p>In the standard environment, objects are allocated on the heap, and +their lifetime is manually managed using a reference count. This is +done using two instance methods which all classes are expected to +implement: <tt>retain</tt> increases the object's reference count by +1, whereas <tt>release</tt> decreases it by 1 and calls the instance +method <tt>dealloc</tt> if the count reaches 0. To simplify certain +operations, there is also an <span class="term">autorelease +pool</span>, a thread-local list of objects to call <tt>release</tt> +on later; an object can be added to this pool by +calling <tt>autorelease</tt> on it.</p> + +<p>Block pointers may be converted to type <tt>id</tt>; block objects +are laid out in a way that makes them compatible with Objective-C +objects. There is a builtin class that all block objects are +considered to be objects of; this class implements <tt>retain</tt> by +adjusting the reference count, not by calling <tt>Block_copy</tt>.</p> + +</div> <!-- meta.background --> + +</div> <!-- meta --> + +<div id="general"> +<h1>General</h1> + +<p>Automatic Reference Counting implements automatic memory management +for Objective-C objects and blocks, freeing the programmer from the +need explicitly insert retains and releases. It does not provide a +cycle collector; users must explicitly manage lifetime instead.</p> + +<p>ARC may be explicitly enabled with the compiler +flag <tt>-fobjc-arc</tt>. It may also be explicitly disabled with the +compiler flag <tt>-fno-objc-arc</tt>. The last of these two flags +appearing on the compile line <q>wins</q>.</p> + +<p>If ARC is enabled, <tt>__has_feature(objc_arc)</tt> will expand to +1 in the preprocessor. For more information about <tt>__has_feature</tt>, +see the <a href="LanguageExtensions.html#__has_feature_extension">language +extensions</a> document.</p> + +</div> + +<div id="objects"> +<h1>Retainable object pointers</h1> + +<p>This section describes retainable object pointers, their basic +operations, and the restrictions imposed on their use under ARC. Note +in particular that it covers the rules for pointer <em>values</em> +(patterns of bits indicating the location of a pointed-to object), not +pointer +<em>objects</em> (locations in memory which store pointer values). +The rules for objects are covered in the next section.</p> + +<p>A <span class="term">retainable object pointer</span> +(or <q>retainable pointer</q>) is a value of +a <span class="term">retainable object pointer type</span> +(<q>retainable type</q>). There are three kinds of retainable object +pointer types:</p> +<ul> +<li>block pointers (formed by applying the caret (<tt>^</tt>) +declarator sigil to a function type)</li> +<li>Objective-C object pointers (<tt>id</tt>, <tt>Class</tt>, <tt>NSFoo*</tt>, etc.)</li> +<li>typedefs marked with <tt>__attribute__((NSObject))</tt></li> +</ul> + +<p>Other pointer types, such as <tt>int*</tt> and <tt>CFStringRef</tt>, +are not subject to ARC's semantics and restrictions.</p> + +<div class="rationale"> + +<p>Rationale: We are not at liberty to require +all code to be recompiled with ARC; therefore, ARC must interoperate +with Objective-C code which manages retains and releases manually. In +general, there are three requirements in order for a +compiler-supported reference-count system to provide reliable +interoperation:</p> + +<ul> +<li>The type system must reliably identify which objects are to be +managed. An <tt>int*</tt> might be a pointer to a <tt>malloc</tt>'ed +array, or it might be a interior pointer to such an array, or it might +point to some field or local variable. In contrast, values of the +retainable object pointer types are never interior.</li> +<li>The type system must reliably indicate how to +manage objects of a type. This usually means that the type must imply +a procedure for incrementing and decrementing retain counts. +Supporting single-ownership objects requires a lot more explicit +mediation in the language.</li> +<li>There must be reliable conventions for whether and +when <q>ownership</q> is passed between caller and callee, for both +arguments and return values. Objective-C methods follow such a +convention very reliably, at least for system libraries on Mac OS X, +and functions always pass objects at +0. The C-based APIs for Core +Foundation objects, on the other hand, have much more varied transfer +semantics.</li> +</ul> +</div> <!-- rationale --> + +<p>The use of <tt>__attribute__((NSObject))</tt> typedefs is not +recommended. If it's absolutely necessary to use this attribute, be +very explicit about using the typedef, and do not assume that it will +be preserved by language features like <tt>__typeof</tt> and C++ +template argument substitution.</p> + +<div class="rationale"><p>Rationale: any compiler operation which +incidentally strips type <q>sugar</q> from a type will yield a type +without the attribute, which may result in unexpected +behavior.</p></div> + +<div id="objects.retains"> +<h1>Retain count semantics</h1> + +<p>A retainable object pointer is either a <span class="term">null +pointer</span> or a pointer to a valid object. Furthermore, if it has +block pointer type and is not <tt>null</tt> then it must actually be a +pointer to a block object, and if it has <tt>Class</tt> type (possibly +protocol-qualified) then it must actually be a pointer to a class +object. Otherwise ARC does not enforce the Objective-C type system as +long as the implementing methods follow the signature of the static +type. It is undefined behavior if ARC is exposed to an invalid +pointer.</p> + +<p>For ARC's purposes, a valid object is one with <q>well-behaved</q> +retaining operations. Specifically, the object must be laid out such +that the Objective-C message send machinery can successfully send it +the following messages:</p> + +<ul> +<li><tt>retain</tt>, taking no arguments and returning a pointer to +the object.</li> +<li><tt>release</tt>, taking no arguments and returning <tt>void</tt>.</li> +<li><tt>autorelease</tt>, taking no arguments and returning a pointer +to the object.</li> +</ul> + +<p>The behavior of these methods is constrained in the following ways. +The term <span class="term">high-level semantics</span> is an +intentionally vague term; the intent is that programmers must +implement these methods in a way such that the compiler, modifying +code in ways it deems safe according to these constraints, will not +violate their requirements. For example, if the user puts logging +statements in <tt>retain</tt>, they should not be surprised if those +statements are executed more or less often depending on optimization +settings. These constraints are not exhaustive of the optimization +opportunities: values held in local variables are subject to +additional restrictions, described later in this document.</p> + +<p>It is undefined behavior if a computation history featuring a send +of <tt>retain</tt> followed by a send of <tt>release</tt> to the same +object, with no intervening <tt>release</tt> on that object, is not +equivalent under the high-level semantics to a computation +history in which these sends are removed. Note that this implies that +these methods may not raise exceptions.</p> + +<p>It is undefined behavior if a computation history features any use +whatsoever of an object following the completion of a send +of <tt>release</tt> that is not preceded by a send of <tt>retain</tt> +to the same object.</p> + +<p>The behavior of <tt>autorelease</tt> must be equivalent to sending +<tt>release</tt> when one of the autorelease pools currently in scope +is popped. It may not throw an exception.</p> + +<p>When the semantics call for performing one of these operations on a +retainable object pointer, if that pointer is <tt>null</tt> then the +effect is a no-op.</p> + +<p>All of the semantics described in this document are subject to +additional <a href="#optimization">optimization rules</a> which permit +the removal or optimization of operations based on local knowledge of +data flow. The semantics describe the high-level behaviors that the +compiler implements, not an exact sequence of operations that a +program will be compiled into.</p> + +</div> <!-- objects.retains --> + +<div id="objects.operands"> +<h1>Retainable object pointers as operands and arguments</h1> + +<p>In general, ARC does not perform retain or release operations when +simply using a retainable object pointer as an operand within an +expression. This includes:</p> +<ul> +<li>loading a retainable pointer from an object with non-weak +<a href="#ownership">ownership</a>,</li> +<li>passing a retainable pointer as an argument to a function or +method, and</li> +<li>receiving a retainable pointer as the result of a function or +method call.</li> +</ul> + +<div class="rationale"><p>Rationale: while this might seem +uncontroversial, it is actually unsafe when multiple expressions are +evaluated in <q>parallel</q>, as with binary operators and calls, +because (for example) one expression might load from an object while +another writes to it. However, C and C++ already call this undefined +behavior because the evaluations are unsequenced, and ARC simply +exploits that here to avoid needing to retain arguments across a large +number of calls.</p></div> + +<p>The remainder of this section describes exceptions to these rules, +how those exceptions are detected, and what those exceptions imply +semantically.</p> + +<div id="objects.operands.consumed"> +<h1>Consumed parameters</h1> + +<p>A function or method parameter of retainable object pointer type +may be marked as <span class="term">consumed</span>, signifying that +the callee expects to take ownership of a +1 retain count. This is +done by adding the <tt>ns_consumed</tt> attribute to the parameter +declaration, like so:</p> + +<pre>void foo(__attribute((ns_consumed)) id x); +- (void) foo: (id) __attribute((ns_consumed)) x;</pre> + +<p>This attribute is part of the type of the function or method, not +the type of the parameter. It controls only how the argument is +passed and received.</p> + +<p>When passing such an argument, ARC retains the argument prior to +making the call.</p> + +<p>When receiving such an argument, ARC releases the argument at the +end of the function, subject to the usual optimizations for local +values.</p> + +<div class="rationale"><p>Rationale: this formalizes direct transfers +of ownership from a caller to a callee. The most common scenario here +is passing the <tt>self</tt> parameter to <tt>init</tt>, but it is +useful to generalize. Typically, local optimization will remove any +extra retains and releases: on the caller side the retain will be +merged with a +1 source, and on the callee side the release will be +rolled into the initialization of the parameter.</p></div> + +<p>The implicit <tt>self</tt> parameter of a method may be marked as +consumed by adding <tt>__attribute__((ns_consumes_self))</tt> to the +method declaration. Methods in the <tt>init</tt> +<a href="#family">family</a> are treated as if they were implicitly +marked with this attribute.</p> + +<p>It is undefined behavior if an Objective-C message send to a method +with <tt>ns_consumed</tt> parameters (other than self) is made with a +null receiver. It is undefined behavior if the method to which an +Objective-C message send statically resolves to has a different set +of <tt>ns_consumed</tt> parameters than the method it dynamically +resolves to. It is undefined behavior if a block or function call is +made through a static type with a different set of <tt>ns_consumed</tt> +parameters than the implementation of the called block or function.</p> + +<div class="rationale"><p>Rationale: consumed parameters with null +receiver are a guaranteed leak. Mismatches with consumed parameters +will cause over-retains or over-releases, depending on the direction. +The rule about function calls is really just an application of the +existing C/C++ rule about calling functions through an incompatible +function type, but it's useful to state it explicitly.</p></div> + +</div> + +<div id="objects.operands.retained_returns"> +<h1>Retained return values</h1> + +<p>A function or method which returns a retainable object pointer type +may be marked as returning a retained value, signifying that the +caller expects to take ownership of a +1 retain count. This is done +by adding the <tt>ns_returns_retained</tt> attribute to the function or +method declaration, like so:</p> + +<pre>id foo(void) __attribute((ns_returns_retained)); +- (id) foo __attribute((ns_returns_retained));</pre> + +<p>This attribute is part of the type of the function or method.</p> + +<p>When returning from such a function or method, ARC retains the +value at the point of evaluation of the return statement, before +leaving all local scopes.</p> + +<p>When receiving a return result from such a function or method, ARC +releases the value at the end of the full-expression it is contained +within, subject to the usual optimizations for local values.</p> + +<div class="rationale"><p>Rationale: this formalizes direct transfers of +ownership from a callee to a caller. The most common scenario this +models is the retained return from <tt>init</tt>, <tt>alloc</tt>, +<tt>new</tt>, and <tt>copy</tt> methods, but there are other cases in +the frameworks. After optimization there are typically no extra +retains and releases required.</p></div> + +<p>Methods in +the <tt>alloc</tt>, <tt>copy</tt>, <tt>init</tt>, <tt>mutableCopy</tt>, +and <tt>new</tt> <a href="#family">families</a> are implicitly marked +<tt>__attribute__((ns_returns_retained))</tt>. This may be suppressed +by explicitly marking the +method <tt>__attribute__((ns_returns_not_retained))</tt>.</p> +</div> + +<p>It is undefined behavior if the method to which an Objective-C +message send statically resolves has different retain semantics on its +result from the method it dynamically resolves to. It is undefined +behavior if a block or function call is made through a static type +with different retain semantics on its result from the implementation +of the called block or function.</p> + +<div class="rationale"><p>Rationale: Mismatches with returned results +will cause over-retains or over-releases, depending on the direction. +Again, the rule about function calls is really just an application of +the existing C/C++ rule about calling functions through an +incompatible function type.</p></div> + + +<div id="objects.operands.other-returns"> +<h1>Unretained return values</h1> + +<p>A method or function which returns a retainable object type but +does not return a retained value must ensure that the object is +still valid across the return boundary.</p> + +<p>When returning from such a function or method, ARC retains the +value at the point of evaluation of the return statement, then leaves +all local scopes, and then balances out the retain while ensuring that +the value lives across the call boundary. In the worst case, this may +involve an <tt>autorelease</tt>, but callers must not assume that the +value is actually in the autorelease pool.</p> + +<p>ARC performs no extra mandatory work on the caller side, although +it may elect to do something to shorten the lifetime of the returned +value.</p> + +<div class="rationale"><p>Rationale: it is common in non-ARC code to not +return an autoreleased value; therefore the convention does not force +either path. It is convenient to not be required to do unnecessary +retains and autoreleases; this permits optimizations such as eliding +retain/autoreleases when it can be shown that the original pointer +will still be valid at the point of return.</p></div> + +<p>A method or function may be marked +with <tt>__attribute__((ns_returns_autoreleased))</tt> to indicate +that it returns a pointer which is guaranteed to be valid at least as +long as the innermost autorelease pool. There are no additional +semantics enforced in the definition of such a method; it merely +enables optimizations in callers.</p> +</div> + +<div id="objects.operands.casts"> +<h1>Bridged casts</h1> + +<p>A <span class="term">bridged cast</span> is a C-style cast +annotated with one of three keywords:</p> + +<ul> +<li><tt>(__bridge T) op</tt> casts the operand to the destination +type <tt>T</tt>. If <tt>T</tt> is a retainable object pointer type, +then <tt>op</tt> must have a non-retainable pointer type. +If <tt>T</tt> is a non-retainable pointer type, then <tt>op</tt> must +have a retainable object pointer type. Otherwise the cast is +ill-formed. There is no transfer of ownership, and ARC inserts +no retain operations.</li> + +<li><tt>(__bridge_retained T) op</tt> casts the operand, which must +have retainable object pointer type, to the destination type, which +must be a non-retainable pointer type. ARC retains the value, subject +to the usual optimizations on local values, and the recipient is +responsible for balancing that +1.</li> + +<li><tt>(__bridge_transfer T) op</tt> casts the operand, which must +have non-retainable pointer type, to the destination type, which must +be a retainable object pointer type. ARC will release the value at +the end of the enclosing full-expression, subject to the usual +optimizations on local values.</li> +</ul> + +<p>These casts are required in order to transfer objects in and out of +ARC control; see the rationale in the section +on <a href="#objects.restrictions.conversion">conversion of retainable +object pointers</a>.</p> + +<p>Using a <tt>__bridge_retained</tt> or <tt>__bridge_transfer</tt> +cast purely to convince ARC to emit an unbalanced retain or release, +respectively, is poor form.</p> + +</div> + +</div> + +<div id="objects.restrictions"> +<h1>Restrictions</h1> + +<div id="objects.restrictions.conversion"> +<h1>Conversion of retainable object pointers</h1> + +<p>In general, a program which attempts to implicitly or explicitly +convert a value of retainable object pointer type to any +non-retainable type, or vice-versa, is ill-formed. For example, an +Objective-C object pointer shall not be converted to <tt>void*</tt>. +As an exception, cast to <tt>intptr_t</tt> is allowed becuase such +casts are not transferring ownership. The <a href="#objects.operands.casts">bridged +casts</a> may be used to perform these conversions where +necessary.</p> + +<div class="rationale"><p>Rationale: we cannot ensure the correct +management of the lifetime of objects if they may be freely passed +around as unmanaged types. The bridged casts are provided so that the +programmer may explicitly describe whether the cast transfers control +into or out of ARC.</p></div> +</div> + +<p>An unbridged cast to a retainable object pointer type of the return +value of a Objective-C message send which yields a non-retainable +pointer is treated as a <tt>__bridge_transfer</tt> cast +if:</p> + +<ul> +<li>the method has the <tt>cf_returns_retained</tt> attribute, or if +not that,</li> *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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