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path: root/lib/Parse/ParseExpr.cpp
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2009-11-03Remove a bunch of #if 0'd code made irrelevant by the latest ↵Douglas Gregor
ParseUnqualifiedId changes git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85938 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Replace the code that parses member access expressions after "." orDouglas Gregor
"->" with a use of ParseUnqualifiedId. Collapse ActOnMemberReferenceExpr, ActOnDestructorReferenceExpr (both of them), ActOnOverloadedOperatorReferenceExpr, ActOnConversionOperatorReferenceExpr, and ActOnMemberTemplateIdReferenceExpr into a single, new action ActOnMemberAccessExpr that does the same thing more cleanly (and can keep more source-location information). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85930 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Use ParseUnqualifiedId when parsing id-expressions. This eliminatesDouglas Gregor
yet another copy of the unqualified-id parsing code. Also, use UnqualifiedId to simplify the Action interface for building id-expressions. ActOnIdentifierExpr, ActOnCXXOperatorFunctionIdExpr, ActOnCXXConversionFunctionExpr, and ActOnTemplateIdExpr have all been removed in favor of the new ActOnIdExpression action. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85904 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25simplify Sema::getTypeName a bit: if control gets out of the switch,Chris Lattner
IIDecl cannot be null. There is no need to check for both C++ mode and presence of CXXRecordDecl. ObjC interfaces can't have ScopeSpecs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85057 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25In objc mode, every identifier in a cast expression was using doing aChris Lattner
type looking using getTypeName() and every property access was using NextToken() to do lookahead to see if the identifier is followed by a '.'. Rearrange this code to not need lookahead and only do the type lookup if we have "identifier." in the token stream. Also improve a diagnostic a bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85056 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23Diagnose misuse of '.*' and '->*' operators during parseFariborz Jahanian
instead of crashing in code gen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84968 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-19Parse a simple-template-id following a '~' when calling a destructor, e.g.,Douglas Gregor
t->~T<A0, A1>() Fixes PR5213. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84545 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13Pass the right SourceLocation to ↵Anders Carlsson
Actions.ActOnOverloadedOperatorReferenceExpr and Actions.ActOnConversionOperatorReferenceExpr. Update incomplete-call.cpp test. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84026 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-22Implement code completion within a function call, triggered after theDouglas Gregor
opening parentheses and after each comma. We gather the set of visible overloaded functions, perform "partial" overloading based on the set of arguments that we have thus far, and return the still-viable results sorted by the likelihood that they will be the best candidate. Most of the changes in this patch are a refactoring of the overloading routines for a function call, since we needed to separate out the notion of building an overload set (common to code-completion and normal semantic analysis) and then what to do with that overload set. As part of this change, I've pushed explicit template arguments into a few more subroutines. There is still much more work to do in this area. Function templates won't be handled well (unless we happen to deduce all of the template arguments before we hit the completion point), nor will overloaded function-call operators or calls to member functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82549 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-21Code completion for ordinary names when we're starting a declaration, ↵Douglas Gregor
expression, or statement git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82481 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-17Initial implementation of a code-completion interface in Clang. InDouglas Gregor
essence, code completion is triggered by a magic "code completion" token produced by the lexer [*], which the parser recognizes at certain points in the grammar. The parser then calls into the Action object with the appropriate CodeCompletionXXX action. Sema implements the CodeCompletionXXX callbacks by performing minimal translation, then forwarding them to a CodeCompletionConsumer subclass, which uses the results of semantic analysis to provide code-completion results. At present, only a single, "printing" code completion consumer is available, for regression testing and debugging. However, the design is meant to permit other code-completion consumers. This initial commit contains two code-completion actions: one for member access, e.g., "x." or "p->", and one for nested-name-specifiers, e.g., "std::". More code-completion actions will follow, along with improved gathering of code-completion results for the various contexts. [*] In the current -code-completion-dump testing/debugging mode, the file is truncated at the completion point and EOF is translated into "code completion". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82166 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09Remove tabs, and whitespace cleanups.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81346 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09Initial stab at implement dependent member references to memberDouglas Gregor
templates, e.g., x.template get<T> We can now parse these, represent them within an UnresolvedMemberExpr expression, then instantiate that expression node in simple cases. This allows us to stumble through parsing LLVM's Casting.h. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81300 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-04If a destructor is referenced or a pseudo-destructor expression isDouglas Gregor
formed without a trailing '(', diagnose the error (these expressions must be immediately called), emit a fix-it hint, and fix the code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81015 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-02Rewrite of our handling of name lookup in C++ member access expressions, e.g.,Douglas Gregor
x->Base::f We no longer try to "enter" the context of the type that "x" points to. Instead, we drag that object type through the parser and pass it into the Sema routines that need to know how to perform lookup within member access expressions. We now implement most of the crazy name lookup rules in C++ [basic.lookup.classref] for non-templated code, including performing lookup both in the context of the type referred to by the member access and in the scope of the member access itself and then detecting ambiguities when the two lookups collide (p1 and p4; p3 and p7 are still TODO). This change also corrects our handling of name lookup within template arguments of template-ids inside the nested-name-specifier (p6; we used to look into the scope of the object expression for them) and fixes PR4703. I have disabled some tests that involve member access expressions where the object expression has dependent type, because we don't yet have the ability to describe dependent nested-name-specifiers starting with an identifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80843 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31Add parsing for references to member function templates with explicitDouglas Gregor
template argument lists, e.g., x.f<int>(). Semantic analysis will be a separate commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80624 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31Support explicit C++ member operator syntax, from James Porter!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80608 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26Address some of Doug's comments.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80114 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-25Parsing of pseudo-destructors.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80055 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Keep track of the right paren ')' source location in a function declarator.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79489 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Implement __is_empty. Patch by Sean Hunt.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79143 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Take 2 on AltiVec-style vector initializers. Nate Begeman
Fixes PR4704 problems Addresses Eli's patch feedback re: ugly cast code Updates all postfix operators to remove ParenListExprs. While this is awful, no better solution (say, in the parser) is obvious to me. Better solutions welcome. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78621 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Revert r78535, it is causing a number of failures to build projects.Daniel Dunbar
--- Reverse-merging r78535 into '.': D test/Sema/altivec-init.c U include/clang/Basic/DiagnosticSemaKinds.td U include/clang/AST/Expr.h U include/clang/AST/StmtNodes.def U include/clang/Parse/Parser.h U include/clang/Parse/Action.h U tools/clang-cc/clang-cc.cpp U lib/Frontend/PrintParserCallbacks.cpp U lib/CodeGen/CGExprScalar.cpp U lib/Sema/SemaInit.cpp U lib/Sema/Sema.h U lib/Sema/SemaExpr.cpp U lib/Sema/SemaTemplateInstantiateExpr.cpp U lib/AST/StmtProfile.cpp U lib/AST/Expr.cpp U lib/AST/StmtPrinter.cpp U lib/Parse/ParseExpr.cpp U lib/Parse/ParseExprCXX.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78551 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-09AltiVec-style vector initializer syntax, vec4 a = (vec4)(a, b, c, d);Nate Begeman
In addition to being defined by the AltiVec PIM, this is also the vector initializer syntax used by OpenCL, so that vector literals are compatible with macro arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78535 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Support nested-name-specifiers for C++ member access expressions, e.g.,Douglas Gregor
this->Base::foo from James Porter! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78278 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-23This patch fixes the implementations of the __has_trivial_destructorDouglas Gregor
and __has_trivial_constructor builtin pseudo-functions and additionally implements __has_trivial_copy and __has_trivial_assign, from John McCall! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76916 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14Basic support for C++0x unicode types. Support for literals will follow in ↵Alisdair Meredith
an incremental patch git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75622 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-30Preliminary parsing and ASTs for template-ids that refer to functionDouglas Gregor
templates, such as make<int&>. These template-ids are only barely functional for function calls; much more to come. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74563 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-27Fix the parser error hanlding for __builtin_offsetof to actually print Eli Friedman
out an error for a malformed __builtin_offsetof. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74388 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-22Rework the way we track which declarations are "used" duringDouglas Gregor
compilation, and (hopefully) introduce RAII objects for changing the "potentially evaluated" state at all of the necessary places within Sema and Parser. Other changes: - Set the unevaluated/potentially-evaluated context appropriately during template instantiation. - We now recognize three different states while parsing or instantiating expressions: unevaluated, potentially evaluated, and potentially potentially evaluated (for C++'s typeid). - When we're in a potentially potentially-evaluated context, queue up MarkDeclarationReferenced calls in a stack. For C++ typeid expressions that are potentially evaluated, we will play back these MarkDeclarationReferenced calls when we exit the corresponding potentially potentially-evaluated context. - Non-type template arguments are now parsed as constant expressions, so they are not potentially-evaluated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73899 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-19Keep track of when declarations are "used" according to C andDouglas Gregor
C++. This logic is required to trigger implicit instantiation of function templates and member functions of class templates, which will be implemented separately. This commit includes support for -Wunused-parameter, printing warnings for named parameters that are not used within a function/Objective-C method/block. Fixes <rdar://problem/6505209>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73797 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11PR4364: fix parsing 'typename' in an expression.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73177 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-31Disallow exception specs on typedefs.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72664 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-29Reject incomplete types in exception specs.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72580 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Handle correctly a very ugly part of the C++ syntax. We cannot disambiguate ↵Argyrios Kyrtzidis
between a parenthesized type-id and a paren expression without considering the context past the parentheses. Behold: (T())x; - type-id (T())*x; - type-id (T())/x; - expression (T()); - expression git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72260 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Factor the compound literal parsing out from ParseParenExpression and into a ↵Argyrios Kyrtzidis
new ParseCompoundLiteralExpression. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Modification to ParseParenExpression.Argyrios Kyrtzidis
Now it parses the cast expression unless 'stopIfCastExpr' is true. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72258 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-22Refactor the common code of 'ParseTypeofSpecifier' and ↵Argyrios Kyrtzidis
'ParseSizeofAlignofExpression' into a new 'ParseExprAfterTypeofSizeofAlignof' method. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72256 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-21Merge the ASTVector and ASTOwningVector templates, since they offeredDouglas Gregor
redundant functionality. The result (ASTOwningVector) lives in clang/Parse/Ownership.h and is used by both the parser and semantic analysis. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72214 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-21Use v.data() instead of &v[0] when SmallVector v might be empty.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72210 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Make the RAII extension warning silencing for __extension__ a bit Eli Friedman
narrower, so it doesn't catch expresions that aren't sub-expressions of __extension__ operator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71967 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Fixup __extension__ i = 1 parsing. Thanks Eli!Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71927 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15Fixup parsing for (throw,throw) and __extension__ throw 1.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71897 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-10Implement C++0x nullptr.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71405 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Remove extra line.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70418 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Fixup Sema and CodeGen for block literal attributes when the returnMike Stump
type and argument types are missing, and let return type deduction happen before we give errors for returning from a noreturn block. Radar 6441502 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70413 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Sema and CodeGen support for attributes on blocks. Radar 6441502Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70403 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Have the parser communicate the exception specification to the action.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70389 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25This is a pretty big cleanup for how invalid decl/type are handle.Chris Lattner
This gets rid of a bunch of random InvalidDecl bools in sema, changing us to use the following approach: 1. When analyzing a declspec or declarator, if an error is found, we set a bit in Declarator saying that it is invalid. 2. Once the Decl is created by sema, we immediately set the isInvalid bit on it from what is in the declarator. From this point on, sema consistently looks at and sets the bit on the decl. This gives a very clear separation of concerns and simplifies a bunch of code. In addition to this, this patch makes these changes: 1. it renames DeclSpec::getInvalidType() -> isInvalidType(). 2. various "merge" functions no longer return bools: they just set the invalid bit on the dest decl if invalid. 3. The ActOnTypedefDeclarator/ActOnFunctionDeclarator/ActOnVariableDeclarator methods now set invalid on the decl returned instead of returning an invalid bit byref. 4. In SemaType, refering to a typedef that was invalid now propagates the bit into the resultant type. Stuff declared with the invalid typedef will now be marked invalid. 5. Various methods like CheckVariableDeclaration now return void and set the invalid bit on the decl they check. There are a few minor changes to tests with this, but the only major bad result is test/SemaCXX/constructor-recovery.cpp. I'll take a look at this next. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70020 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-18fix two error paths out of ParseBlockLiteralExpression toChris Lattner
call ActOnBlockError so that CurBlock gets popped. This fixes a crash on test/block-syntax-error.c when this new assertion is enabled. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69464 91177308-0d34-0410-b5e6-96231b3b80d8