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path: root/lib/Sema/SemaDecl.cpp
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2010-04-24Be more careful around dependent nested-name-specifiers, complainingDouglas Gregor
when they are not complete (since we could not match them up to anything) and ensuring that enum parsing can cope with dependent elaborated-type-specifiers. Fixes PR6915 and PR6649. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102247 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Keep track of when DependentNameTypes have no associated keywordDouglas Gregor
(e.g., no typename, enum, class, etc.), e.g., because the context is one that is known to refer to a type. Patch from Enea Zaffanella! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102243 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Recommit r102215, this time being more careful to only set the "principalJohn McCall
declaration" (i.e. the only which will actually be looked up) to have the non-member-operator bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102231 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Revert r102215. This causes clang crash while compiling a test case from gdb ↵Devang Patel
testsuite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102224 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Rework Parser-Sema interface for Objective-C @catch exception objectDouglas Gregor
arguments. Rather than having the parser call ActOnParamDeclarator (which is a bit of a hack), call a new ActOnObjCExceptionDecl action. We'll be moving more functionality into this handler to perform earlier checking of @catch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102222 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Add an InheritancePath parameter to the ImplicitCastExpr constructor.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102218 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Transition the last acceptable-result filter kind in LookupResult over to useJohn McCall
a simple IDNS mask by introducing a namespace for non-member operators. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102215 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Recommit my change to how C++ does elaborated type lookups, now withJohn McCall
two bugfixes which fix selfhost and (hopefully) the nightly tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102198 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Revert "C++ doesn't really use "namespaces" for different kinds of names the ↵Daniel Dunbar
same", which seems to break most C++ nightly test apps. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102174 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23C++ doesn't really use "namespaces" for different kinds of names the sameJohn McCall
way that C does. Among other differences, elaborated type specifiers are defined to skip "non-types", which, as you might imagine, does not include typedefs. Rework our use of IDNS masks to capture the semantics of different kinds of declarations better, and remove most current lookup filters. Removing the last remaining filter is more complicated and will happen in a separate patch. Fixes PR 6885 as well some spectrum of unfiled bugs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102164 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22When checking whether to diagnose an initialized "extern" variable,Douglas Gregor
look for the const on the base type rather than on the top-level type. Fixes PR6495 properly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102066 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Re-land the patch that merges two diagnostics into one now that it passes ↵Anders Carlsson
self-host :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102050 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Revert "Unify two diagnostics into one.", it breaks with an assertion ↵Daniel Dunbar
failure on bootstrap. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102043 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Unify two diagnostics into one.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102040 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Remove an unused parameter from isImplicitlyDefined.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101962 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-19Keep track of the actual storage specifier written on a variable orDouglas Gregor
function declaration, since it may end up being changed (e.g., "extern" can become "static" if a prior declaration was static). Patch by Enea Zaffanella and Paolo Bolzoni. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101826 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-19Only suppress the "extern variable has an initializer" warning when the ↵Douglas Gregor
extern entity being initialized is const. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101821 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-19Disable the "'extern' variable has an initializer" warning in C++,Douglas Gregor
since it makes sense there to have const extern variables. Fixes PR6495. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101818 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16Start working on handling wide bitfields in C++Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101464 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Feed proper source-location information into Sema::LookupSingleResult,Douglas Gregor
in case it ends up doing something that might trigger diagnostics (template instantiation, ambiguity reporting, access reporting). Noticed while working on PR6831. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101412 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Improve the bit-field too wide error message.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101384 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15Fix a few cases where enum constant handling was usingDouglas Gregor
ASTContext::getTypeSize() rather than ASTContext::getIntWidth() for the width of an integral type. The former includes padding for bools (to the target's size) while the latter does not, so we woud end up zero-extending bools to the target width when we shouldn't. Fixes a crash-on-valid in the included test. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101372 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Teach typo correction about various language keywords. We can'tDouglas Gregor
generally recover from typos in keywords (since we would effectively have to mangle the token stream). However, there are still benefits to typo-correcting with keywords: - We don't make stupid suggestions when the user typed something that is similar to a keyword. - We can suggest the keyword in a diagnostic (did you mean "static_cast"?), even if we can't recover and therefore don't have a fix-it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101274 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14Mark a function declaration invalid if any of its parameter declarationsJohn McCall
are invalid. Prevents a crash-on-invalid during template instantiation. I... really don't understand how this wasn't already present. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Support befriending members of class template specializations.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101173 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Allow classes to befriend implicitly-declared members. Fixes PR6207 forJohn McCall
members of non-templated classes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101122 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Parse constructor names in friend declarations. Part of the fix forJohn McCall
PR6207. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101119 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Don't try to find a scope corresponding to the search DC for an unfoundJohn McCall
friend declaration; this used to be important but is now just a waste of time plus an unreasonable assertion. Fixes PR6174. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101112 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Fix a crash-on-invalid involving name lookup of tag names, where weDouglas Gregor
ended up finding a function template that we didn't expect. Recover more gracefully, and fix a similar issue for class templates. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101040 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Be sure to instantiate the parameters of a function, even when theDouglas Gregor
function's type is (strictly speaking) non-dependent. This ensures that, e.g., default function arguments get instantiated properly. And, since I couldn't resist, collapse the two implementations of function-parameter instantiation into calls to a single, new function (Sema::SubstParmVarDecl), since the two had nearly identical code (and each had bugs the other didn't!). More importantly, factored out the semantic analysis of a parameter declaration into Sema::CheckParameter, which is called both by Sema::ActOnParamDeclarator (when parameters are parsed) and when a parameter is instantiated. Previously, we were missing some Objective-C and address-space checks on instantiated function parameters. Fixes PR6733. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101029 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Don't warn about unused static functions if they are marked with Chris Lattner
attr constructor or destructor. Patch by Jean-Daniel Dupas! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100870 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Downgrade the "declaration does not declare anything" error to aDouglas Gregor
warning. It's not harmful to have such pointless declarations, and GCC does not diagnose this issue consistently. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100814 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Explain that a template needs arguments to make it into a type, forJeffrey Yasskin
variable declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100809 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Make CXXScopeSpec invalid when incomplete, and propagate that into anyJeffrey Yasskin
Declarator that depends on it. This fixes several redundant errors and bad recoveries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100779 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Implement dependent friend function template specializations.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100753 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Fix some redundant errors by changing CXXScopeSpec::isSet calls intoJeffrey Yasskin
isNotEmpty calls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100722 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-06Patch to not build ivar ASTs when they are ilegallyFariborz Jahanian
declared in categories. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100577 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Sema/Obj-C: Simplify -- eliminate dead casts & provable asserts, and narrow ↵Daniel Dunbar
type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100197 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Improve diagnostics when an elaborated-type-specifer containing aDouglas Gregor
nested-name-specifier (e.g., "class T::foo") fails to find a tag member in the scope nominated by the nested-name-specifier. Previously, we gave a bland error: 'Nested' does not name a tag member in the specified scope which didn't actually say where we were looking, which was rather horrible when the nested-name-specifier was instantiated. Now, we give something a bit better: error: no class named 'Nested' in 'NoDepBase<T>' git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100060 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Extend DependentNameType with a keyword enum that specifies whetherDouglas Gregor
this was parsed as a typename-specifier, elaborated-type-specifier (including the kind), or just a dependent qualified type name. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100039 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Reinstate my CodeModificationHint -> FixItHint renaming patch, withoutDouglas Gregor
the C-only "optimization". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100022 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Rename TypenameType to DependentNameType in anticipation of someDouglas Gregor
refactoring work in this area. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100019 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Revert r100008, which inexplicably breaks the clang-i686-darwin10 builderDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100018 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Rename CodeModificationHint to FixItHint, since we've been using theDouglas Gregor
term "fix-it" everywhere and even *I* get tired of long names sometimes. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100008 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Support __attribute__((unused)) on types. This suddenly started firingJohn McCall
a lot for me on selfhosts, I dunno why. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99981 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Fix PR6327: restore invariants when there's a parse error in an initializer.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99980 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30the big refactoring bits of PR3782.Rafael Espindola
This introduces FunctionType::ExtInfo to hold the calling convention and the noreturn attribute. The next patch will extend it to include the regparm attribute and fix the bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27Implement method friends in class templates and fix a few related problems.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99708 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25When finishing a function definition, leave the function definition *after*John McCall
doing all the cleanup tasks and checks. This gives us the proper context for checking access to base and member destructors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99559 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25Handle simple friend-class decls in class templates better by ensuring thatJohn McCall
we look for shadow friend decls in the appropriate scope before injecting a new declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99552 91177308-0d34-0410-b5e6-96231b3b80d8
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