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path: root/lib/Sema/TreeTransform.h
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2010-07-07Revert r107828 and r107827, the fix for PR7556, which seems to beDouglas Gregor
breaking bootstrap on Linux. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107837 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Rename CXXZeroInitValueExpr to CXXScalarValueInitExpr, to reflect itsDouglas Gregor
newly-narrowed scope. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107828 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-23improve altivec vector bool/pixel support, patch by Anton YartsevChris Lattner
with several tweaks by me. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106619 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-22Apply array-to-pointer decay when instantiating a MemberExpr. FixesDouglas Gregor
PR7405, patch by Kyle Lippincott! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106523 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18A trivial fix for a test case that's too horrible to commit. FixesDouglas Gregor
<rdar://problem/8108088>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106328 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-17When pushing a copy of the TypeLoc information for a dependentDouglas Gregor
template specialization type, copy the location information but use the new type. Fixes PR7385. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106224 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-16When we see a 'template' disambiguator that marks the next identifierDouglas Gregor
(or operator-function-id) as a template, but the context is actually non-dependent or the current instantiation, allow us to use knowledge of what kind of template it is, e.g., type template vs. function template, for further syntactic disambiguation. This allows us to parse properly in the presence of stray "template" keywords, which is necessary in C++0x and it's good recovery in C++98/03. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106167 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-16Fix the recently-added warning about 'typename' and 'template'Douglas Gregor
disambiguation keywords outside of templates in C++98/03. Previously, the warning would fire when the associated nested-name-specifier was not dependent, but that was a misreading of the C++98/03 standard: now, we complain only when we're outside of any template. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106161 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-16Fix a point of semantics with using declaration hiding: method templatesJohn McCall
introduced by using decls are hidden even if their template parameter lists or return types differ from the "overriding" declaration. Propagate using shadow declarations around more effectively when looking up template-ids. Reperform lookup for template-ids in member expressions so that access control is properly set up. Fix some number of latent bugs involving template-ids with totally invalid base types. You can only actually get these with a scope specifier, since otherwise the template-id won't parse as a template-id. Fixes PR7384. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106093 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-11Split DependentNameType into two types. DependentNameType represents theJohn McCall
case of an elaborated-type-specifier like 'typename A<T>::foo', and DependentTemplateSpecializationType represents the case of an elaborated-type-specifier like 'typename A<T>::template B<T>'. The TypeLoc representation of a DependentTST conveniently exactly matches that of an ElaboratedType wrapping a TST. Kill off the explicit rebuild methods for RebuildInCurrentInstantiation; the standard implementations work fine because the nested name specifier is computable in the newly-entered context. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105801 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-05Simplify the methods for creating a pointer, reference, member-pointer,John McCall
or block-pointer type by removing the qualifiers parameter. Introduce a method to perform semantic checking when adding qualifiers to a type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105526 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27Require a complete type when performing the qualified lookup duringJohn McCall
instantiation of a dependent elaborated type specifier. Fixes PR 7199. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104822 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26When transforming a C++ "new" expression's constructor arguments, dropDouglas Gregor
any arguments that are default-argument expressions. The can show up when we have a new expression whose constructor arguments are not type-dependent and whose allocated type is not dependent and has a constructor with default arguments. Fixes PR7202. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104690 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-19tweak to (hopefully) fix darwin[89] buildbots. Thanks to Doug for the ↵Jim Grosbach
suggested modification. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104188 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-19Added basic source locations to Elaborated and DependentName types.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104169 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-19Fix an obvious goof that rjmccall found by inspection. No testcase, suggestionsChandler Carruth
welcome for one. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104101 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-18Switch over the tablegen to use much prettier range technologySean Hunt
Also rename ABSTRACT to ABSTRACT_STMT, in keeping with the other .def files git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104017 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-15Substantially alter the design of the Objective C type AST by introducingJohn McCall
ObjCObjectType, which is basically just a pair of one of {primitive-id, primitive-Class, user-defined @class} with a list of protocols. An ObjCObjectPointerType is therefore just a pointer which always points to one of these types (possibly sugared). ObjCInterfaceType is now just a kind of ObjCObjectType which happens to not carry any protocols. Alter a rather large number of use sites to use ObjCObjectType instead of ObjCInterfaceType. Store an ObjCInterfaceType as a pointer on the decl rather than hashing them in a FoldingSet. Remove some number of methods that are no longer used, at least after this patch. By simplifying ObjCObjectPointerType, we are now able to easily remove and apply pointers to Objective-C types, which is crucial for a certain kind of ObjC++ metaprogramming common in WebKit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103870 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-14Revert r103770, "Added basic source locations to Elaborated and DependentNameDaniel Dunbar
types.", it is breaking Clang bootstrap. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103775 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-14Added basic source locations to Elaborated and DependentName types.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103770 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-13Rebuild builtin_id * as an ObjCObjectPointerType, where builtin_id is theJohn McCall
magic type that 'id' is a pointer to. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103708 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11Merged Elaborated and QualifiedName types.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103517 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-08Fix a silly bootstrap-breaking thinko, where we were trying to convertDouglas Gregor
non-existent condition expressions to boolean values during template instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103364 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-08When instantiating statements that involve conditions (if, while, do,Douglas Gregor
for, and switch), be careful to construct the full expressions as soon as we perform template instantation, so we don't either forget to call temporary destructors or destroy temporaries at the wrong time. This is the template-instantiation analogue to r103187, during which I hadn't realized that the issue would affect the handling of these constructs differently inside and outside of templates. Fixes a regression in Boost.Function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103357 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-06Fixed DISABLE_SMART_POINTERS breakageDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103198 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-06Rework our handling of temporary objects within the conditions ofDouglas Gregor
if/switch/while/do/for statements. Previously, we would end up either: (1) Forgetting to destroy temporaries created in the condition (!), (2) Destroying the temporaries created in the condition *before* converting the condition to a boolean value (or, in the case of a switch statement, to an integral or enumeral value), or (3) In a for statement, destroying the condition's temporaries at the end of the increment expression (!). We now destroy temporaries in conditions at the right times. This required some tweaking of the Parse/Sema interaction, since the parser was building full expressions too early in many places. Fixes PR7067. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103187 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-05Reapplying patch to change StmtNodes.def to StmtNodes.td, this timeSean Hunt
with no whitespace. This will allow statements to be referred to in attribute TableGen files. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103087 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-05Revert r103072; I accidentally ended up deleting a bunch of trailingSean Hunt
whitespace which makes this patch unreadable. Will recommit without the whitespace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103086 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-05Change StmtNodes.def to StmtNodes.td in anticipation of a rewrite of attributesSean Hunt
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103072 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-30Fix a thinko that caused us not to compute __builtin_offset as aDouglas Gregor
constant expression in C. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102762 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-30Clean up our handling of local instantiation scopes, which keep trackDouglas Gregor
of the mapping from local declarations to their instantiated counterparts during template instantiation. Previously, we tried to do some unholy merging of local instantiation scopes that involved storing a single hash table along with an "undo" list on the side... which was ugly, and never handled function parameters properly. Now, we just keep separate hash tables for each local instantiation scope, and "combining" two scopes means that we'll look in each of the combined hash tables. The combined scope stack is rarely deep, and this makes it easy to avoid the "undo" issues we were hitting. Also, I've simplified the logic for function parameters: if we're declaring a function and we need the function parameters to live longer, we just push them back into the local instantiation scope where we need them. Fixes PR6990. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102732 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29Teach __builtin_offsetof to compute the offsets of members of baseDouglas Gregor
classes, since we only warn (not error) on offsetof() for non-POD types. We store the base path within the OffsetOfExpr itself, then evaluate the offsets within the constant evaluator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102571 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-28Fix template instantiation for __builtin_offfsetof expressions that refer to ↵Douglas Gregor
members of anonymous structs/unions git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102551 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-28Completely reimplement __builtin_offsetof, based on a patch by RobertoDouglas Gregor
Amadini. This change introduces a new expression node type, OffsetOfExpr, that describes __builtin_offsetof. Previously, __builtin_offsetof was implemented using a unary operator whose subexpression involved various synthesized array-subscript and member-reference expressions, which was ugly and made it very hard to instantiate as a template. OffsetOfExpr represents the AST more faithfully, with proper type source information and a more compact representation. OffsetOfExpr also has support for dependent __builtin_offsetof expressions; it can be value-dependent, but will never be type-dependent (like sizeof or alignof). This commit introduces template instantiation for __builtin_offsetof as well. There are two major caveats to this patch: 1) CodeGen cannot handle the case where __builtin_offsetof is not a constant expression, so it produces an error. So, to avoid regressing in C, we retain the old UnaryOperator-based __builtin_offsetof implementation in C while using the shiny new OffsetOfExpr implementation in C++. The old implementation can go away once we have proper CodeGen support for this case, which we expect won't cause much trouble in C++. 2) __builtin_offsetof doesn't work well with non-POD class types, particularly when the designated field is found within a base class. I will address this in a subsequent patch. Fixes PR5880 and a bunch of assertions when building Boost.Python tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102542 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-27During template instantiation, set the naming class ofDouglas Gregor
UnresolvedLookupExpr and UnresolvedMemberExpr by substituting the naming class we computed when building the expression in the template... ... which we didn't always do correctly. Teach UnresolvedMemberExpr::getNamingClass() all about the new representation of injected-class-names in templates, so that it can return a naming class that is the current instantiation. Also, when decomposing a template-id into its template name and its arguments, be sure to set the naming class on the LookupResult structure. Fixes PR6947 the right way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102448 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-27When instantiating UnresolvedLookupExpr and UnresolvedMemberExprDouglas Gregor
expressions, be sure to set the naming class of the LookupResult structure. Fixes PR6947. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102434 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26Improve source-location information in a C++ typeid (type) expressionDouglas Gregor
by using TypeSourceInfo, cleaning up the representation somewhat. Teach getTypeOperand() to strip references and cv-qualifiers, providing the semantic view of the type without requiring any extra storage (the unmodified type remains within the TypeSourceInfo). This fixes a bug found by Boost's call_traits test. Finally, clean up semantic analysis, by splitting the ActOnCXXTypeid routine into ActOnCXXTypeId (the parser action) and two BuildCXXTypeId functions, which perform the semantic analysis for typeid(type) and typeid(expression), respectively. We now perform less work at template instantiation time (we don't look for std::type_info again) and can give better diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102393 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26Implement template instantiation for implicit property references inDouglas Gregor
Objective-C++. This is the last bit of (non-blocks-related) template instantiation logic for Objective-C++. Yay! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102382 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26Implement template instantiation for ObjCPropertyRefExpr.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102379 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26Implement template instantiation for value-dependent Objective-C ivarDouglas Gregor
references and isa expressions. Also, test template instantiation of unresolved member references to Objective-C ivar references and isa expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102374 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26Implement template instantiation for Objective-C @catchDouglas Gregor
statements. This is the last of the Objective-C statements. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102356 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
2010-04-23Improve the AST representation of Objective-C @try/@catch/@finallyDouglas Gregor
statements. Instead of the @try having a single @catch, where all of the @catch's were chained (using an O(n^2) algorithm nonetheless), @try just holds an array of its @catch blocks. The resulting AST is slightly more compact (not important) and better represents the actual language semantics (good). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102221 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Template instantiation for @try and @finally (but not @catch, yet).Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Template instantiation for the Objective-C "fast enumeration"Douglas Gregor
statement, i.e., for (element in collection) { // do something } git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102138 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Template instantiation for Objective-C++ @synchronized statements.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102134 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Implement template instantiation for Objective-C++ @throw statements.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102133 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Some Objective-C++ types and expressions will never change duringDouglas Gregor
template instantiation, since they cannot be dependent or have dependent parts. Handle them the simple way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102094 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22When a dependent Objective-C++ message send was able to resolve theDouglas Gregor
method being called at template definition time, retain that method and pass it through to type-checking. We will not perform any lookup for the method during template instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102081 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Remove the SelectorLoc argument to Sema::BuildInstanceMesssage andDouglas Gregor
Sema::BuildClassMessage; we weren't using it, and template instantiation was faking it anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102074 91177308-0d34-0410-b5e6-96231b3b80d8
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