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-rw-r--r--AST/Decl.cpp24
-rw-r--r--Driver/RewriteTest.cpp4
-rw-r--r--Parse/ParseObjc.cpp19
-rw-r--r--Parse/Parser.cpp1
-rw-r--r--Sema/Sema.h7
-rw-r--r--Sema/SemaDecl.cpp42
-rw-r--r--include/clang/AST/DeclObjC.h49
-rw-r--r--include/clang/Parse/Action.h22
-rw-r--r--include/clang/Parse/Parser.h3
-rw-r--r--test/Sema/message.m2
10 files changed, 83 insertions, 90 deletions
diff --git a/AST/Decl.cpp b/AST/Decl.cpp
index 2e79de3f63..584fbf5a63 100644
--- a/AST/Decl.cpp
+++ b/AST/Decl.cpp
@@ -408,26 +408,6 @@ void ObjcCategoryImplDecl::addMethods(ObjcMethodDecl **insMethods,
}
}
-/// ObjcAddImplMethods - Insert instance and methods declarations into
-/// ObjcImplementationDecl's InsMethods and ClsMethods fields.
-///
-void ObjcImplementationDecl::addMethods(ObjcMethodDecl **insMethods,
- unsigned numInsMembers,
- ObjcMethodDecl **clsMethods,
- unsigned numClsMembers,
- SourceLocation AtEndLoc) {
- NumInstanceMethods = numInsMembers;
- if (numInsMembers) {
- InstanceMethods = new ObjcMethodDecl*[numInsMembers];
- memcpy(InstanceMethods, insMethods, numInsMembers*sizeof(ObjcMethodDecl*));
- }
- NumClassMethods = numClsMembers;
- if (numClsMembers) {
- ClassMethods = new ObjcMethodDecl*[numClsMembers];
- memcpy(ClassMethods, clsMethods, numClsMembers*sizeof(ObjcMethodDecl*));
- }
-}
-
// lookupInstanceMethod - This method returns an instance method by looking in
// the class, it's categories, and it's super classes (using a linear search).
ObjcMethodDecl *ObjcInterfaceDecl::lookupInstanceMethod(Selector &Sel) {
@@ -514,7 +494,7 @@ ObjcMethodDecl *ObjcInterfaceDecl::lookupClassMethod(Selector &Sel) {
// the class implementation. Unlike interfaces, we don't look outside the
// implementation.
ObjcMethodDecl *ObjcImplementationDecl::lookupInstanceMethod(Selector &Sel) {
- ObjcMethodDecl **methods = getInstanceMethods();
+ ObjcMethodDecl *const*methods = getInstanceMethods();
int methodCount = getNumInstanceMethods();
for (int i = 0; i < methodCount; ++i) {
if (methods[i]->getSelector() == Sel) {
@@ -528,7 +508,7 @@ ObjcMethodDecl *ObjcImplementationDecl::lookupInstanceMethod(Selector &Sel) {
// the class implementation. Unlike interfaces, we don't look outside the
// implementation.
ObjcMethodDecl *ObjcImplementationDecl::lookupClassMethod(Selector &Sel) {
- ObjcMethodDecl **methods = getClassMethods();
+ ObjcMethodDecl *const*methods = getClassMethods();
int methodCount = getNumClassMethods();
for (int i = 0; i < methodCount; ++i) {
if (methods[i]->getSelector() == Sel) {
diff --git a/Driver/RewriteTest.cpp b/Driver/RewriteTest.cpp
index b74faf5b69..a0a11470dc 100644
--- a/Driver/RewriteTest.cpp
+++ b/Driver/RewriteTest.cpp
@@ -118,7 +118,7 @@ namespace {
void RewriteObjcCategoryImplDecl(ObjcCategoryImplDecl *CDecl,
std::string &Result);
- void RewriteObjcMethodsMetaData(ObjcMethodDecl **Methods,
+ void RewriteObjcMethodsMetaData(ObjcMethodDecl *const*Methods,
int NumMethods,
bool IsInstanceMethod,
const char *prefix,
@@ -1039,7 +1039,7 @@ void RewriteTest::SynthesizeObjcInternalStruct(ObjcInterfaceDecl *CDecl,
// RewriteObjcMethodsMetaData - Rewrite methods metadata for instance or
/// class methods.
-void RewriteTest::RewriteObjcMethodsMetaData(ObjcMethodDecl **Methods,
+void RewriteTest::RewriteObjcMethodsMetaData(ObjcMethodDecl *const*Methods,
int NumMethods,
bool IsInstanceMethod,
const char *prefix,
diff --git a/Parse/ParseObjc.cpp b/Parse/ParseObjc.cpp
index 4fbbc1854f..7bf1483682 100644
--- a/Parse/ParseObjc.cpp
+++ b/Parse/ParseObjc.cpp
@@ -275,12 +275,8 @@ void Parser::ParseObjCInterfaceDeclList(DeclTy *interfaceDecl,
}
}
/// Insert collected methods declarations into the @interface object.
- /// This action is executed even if we don't have any methods (so the @end
- /// can be recorded properly).
- Actions.ActOnAddMethodsToObjcDecl(CurScope, interfaceDecl, &allMethods[0],
- allMethods.size(),
- &allProperties[0], allProperties.size(),
- AtEndLoc);
+ Actions.ActOnAtEnd(AtEndLoc, interfaceDecl, &allMethods[0], allMethods.size(),
+ &allProperties[0], allProperties.size());
}
/// Parse property attribute declarations.
@@ -946,12 +942,7 @@ Parser::DeclTy *Parser::ParseObjCAtEndDeclaration(SourceLocation atLoc) {
// Checking is not necessary except that a parse error might have caused
// @implementation not to have been parsed to completion and ObjcImpDecl
// could be 0.
- /// Insert collected methods declarations into the @interface object.
- Actions.ActOnAddMethodsToObjcDecl(CurScope, ObjcImpDecl,
- &AllImplMethods[0], AllImplMethods.size(),
- (DeclTy **)0, 0,
- atLoc);
- AllImplMethods.clear();
+ Actions.ActOnAtEnd(atLoc, ObjcImpDecl);
}
return ObjcImpDecl;
@@ -1151,8 +1142,6 @@ Parser::StmtResult Parser::ParseObjCTryStmt(SourceLocation atLoc) {
void Parser::ParseObjCInstanceMethodDefinition() {
assert(Tok.is(tok::minus) && "Method definitions should start with '-'");
DeclTy *MDecl = ParseObjCMethodPrototype(ObjcImpDecl);
- // FIXME: @optional/@protocol??
- AllImplMethods.push_back(MDecl);
// parse optional ';'
if (Tok.is(tok::semi))
ConsumeToken();
@@ -1169,8 +1158,6 @@ void Parser::ParseObjCInstanceMethodDefinition() {
void Parser::ParseObjCClassMethodDefinition() {
assert(Tok.is(tok::plus) && "Class method definitions should start with '+'");
DeclTy *MDecl = ParseObjCMethodPrototype(ObjcImpDecl);
- // FIXME: @optional/@protocol??
- AllImplMethods.push_back(MDecl);
// parse optional ';'
if (Tok.is(tok::semi))
ConsumeToken();
diff --git a/Parse/Parser.cpp b/Parse/Parser.cpp
index 1f8e016bfe..bfe342d26a 100644
--- a/Parse/Parser.cpp
+++ b/Parse/Parser.cpp
@@ -23,7 +23,6 @@ Parser::Parser(Preprocessor &pp, Action &actions)
NumCachedScopes = 0;
ParenCount = BracketCount = BraceCount = 0;
ObjcImpDecl = 0;
- AllImplMethods.clear();
}
/// Out-of-line virtual destructor to provide home for Action class.
diff --git a/Sema/Sema.h b/Sema/Sema.h
index de464c111a..190302df99 100644
--- a/Sema/Sema.h
+++ b/Sema/Sema.h
@@ -541,10 +541,9 @@ public:
llvm::SmallVector<DeclTy *, 8> &
Protocols);
- virtual void ActOnAddMethodsToObjcDecl(Scope* S, DeclTy *ClassDecl,
- DeclTy **allMethods, unsigned allNum,
- DeclTy **allProperties, unsigned pNum,
- SourceLocation AtEndLoc);
+ virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl,
+ DeclTy **allMethods = 0, unsigned allNum = 0,
+ DeclTy **allProperties = 0, unsigned pNum = 0);
virtual DeclTy *ActOnAddObjcProperties(SourceLocation AtLoc,
DeclTy **allProperties,
diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index e9c438ffc5..e043fa19f6 100644
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -1576,7 +1576,7 @@ void Sema::ImplMethodsVsClassMethods(ObjcImplementationDecl* IMPDecl,
llvm::DenseSet<Selector> InsMap;
// Check and see if instance methods in class interface have been
// implemented in the implementation class.
- ObjcMethodDecl **methods = IMPDecl->getInstanceMethods();
+ ObjcMethodDecl *const*methods = IMPDecl->getInstanceMethods();
for (int i=0; i < IMPDecl->getNumInstanceMethods(); i++)
InsMap.insert(methods[i]->getSelector());
@@ -2079,10 +2079,9 @@ void Sema::AddFactoryMethodToGlobalPool(ObjcMethodDecl *Method) {
}
}
-void Sema::ActOnAddMethodsToObjcDecl(Scope* S, DeclTy *classDecl,
- DeclTy **allMethods, unsigned allNum,
- DeclTy **allProperties, unsigned pNum,
- SourceLocation AtEndLoc) {
+void Sema::ActOnAtEnd(SourceLocation AtEndLoc, DeclTy *classDecl,
+ DeclTy **allMethods, unsigned allNum,
+ DeclTy **allProperties, unsigned pNum) {
Decl *ClassDecl = static_cast<Decl *>(classDecl);
// FIXME: If we don't have a ClassDecl, we have an error. I (snaroff) would
@@ -2164,8 +2163,7 @@ void Sema::ActOnAddMethodsToObjcDecl(Scope* S, DeclTy *classDecl,
}
else if (ObjcImplementationDecl *IC =
dyn_cast<ObjcImplementationDecl>(ClassDecl)) {
- IC->addMethods(&insMethods[0], insMethods.size(),
- &clsMethods[0], clsMethods.size(), AtEndLoc);
+ IC->setLocEnd(AtEndLoc);
if (ObjcInterfaceDecl* IDecl = getObjCInterfaceDecl(IC->getIdentifier()))
ImplMethodsVsClassMethods(IC, IDecl);
} else {
@@ -2242,14 +2240,15 @@ Sema::DeclTy *Sema::ActOnMethodDeclaration(
Decl *CDecl = static_cast<Decl*>(ClassDecl);
ObjcInterfaceDecl *IDecl = 0;
+ ObjcImplementationDecl *ImpDecl = 0;
if (isa<ObjcInterfaceDecl>(CDecl))
IDecl = cast<ObjcInterfaceDecl>(CDecl);
else if (isa<ObjcCategoryDecl>(CDecl))
- IDecl = cast<ObjcCategoryDecl>(CDecl)->getClassInterface();
- else if (isa<ObjcImplementationDecl>(CDecl))
- IDecl = cast<ObjcImplementationDecl>(CDecl)->getClassInterface();
+ IDecl = cast<ObjcCategoryDecl>(CDecl)->getClassInterface(); // FIXME: what is this? (talk to fariborz)
+ else if ((ImpDecl = dyn_cast<ObjcImplementationDecl>(CDecl)))
+ IDecl = ImpDecl->getClassInterface(); // FIXME: what is this? (talk to fariborz)
else if (isa<ObjcCategoryImplDecl>(CDecl))
- IDecl = cast<ObjcCategoryImplDecl>(CDecl)->getClassInterface();
+ IDecl = cast<ObjcCategoryImplDecl>(CDecl)->getClassInterface(); // FIXME: what is this? (talk to fariborz)
ObjcMethodDecl* ObjcMethod = new ObjcMethodDecl(MethodLoc, EndLoc, Sel,
resultDeclType,
@@ -2262,6 +2261,27 @@ Sema::DeclTy *Sema::ActOnMethodDeclaration(
ObjcMethod->setMethodParams(&Params[0], Sel.getNumArgs());
ObjcMethod->setObjcDeclQualifier(
CvtQTToAstBitMask(ReturnQT.getObjcDeclQualifier()));
+ if (ImpDecl) {
+ // For implementations (which can be very "coarse grain"), we add the
+ // method now. This allows the AST to implement lookup methods that work
+ // incrementally (without waiting until we parse the @end). It also allows
+ // us to flag multiple declaration errors as they occur.
+ // FIXME: still need to do this for ObjcCategoryImplDecl.
+ const ObjcMethodDecl *PrevMethod = 0;
+ if (MethodType == tok::minus) {
+ PrevMethod = ImpDecl->lookupInstanceMethod(Sel);
+ ImpDecl->addInstanceMethod(ObjcMethod);
+ } else {
+ PrevMethod = ImpDecl->lookupClassMethod(Sel);
+ ImpDecl->addClassMethod(ObjcMethod);
+ }
+ if (PrevMethod) {
+ // You can never have two method definitions with the same name.
+ Diag(ObjcMethod->getLocation(), diag::error_duplicate_method_decl,
+ ObjcMethod->getSelector().getName());
+ Diag(PrevMethod->getLocation(), diag::err_previous_declaration);
+ }
+ }
return ObjcMethod;
}
diff --git a/include/clang/AST/DeclObjC.h b/include/clang/AST/DeclObjC.h
index 3fb09036e1..48cdce363e 100644
--- a/include/clang/AST/DeclObjC.h
+++ b/include/clang/AST/DeclObjC.h
@@ -629,44 +629,53 @@ class ObjcImplementationDecl : public NamedDecl {
/// Optional Ivars/NumIvars - This is a new[]'d array of pointers to Decls.
ObjcIvarDecl **Ivars; // Null if not specified
int NumIvars; // -1 if not defined.
-
+
/// implemented instance methods
- ObjcMethodDecl **InstanceMethods; // Null if not defined
- int NumInstanceMethods; // -1 if not defined
-
+ llvm::SmallVector<ObjcMethodDecl*, 32> InstanceMethods;
+
/// implemented class methods
- ObjcMethodDecl **ClassMethods; // Null if not defined
- int NumClassMethods; // -1 if not defined
-
+ llvm::SmallVector<ObjcMethodDecl*, 32> ClassMethods;
+
+ SourceLocation EndLoc;
public:
ObjcImplementationDecl(SourceLocation L, IdentifierInfo *Id,
ObjcInterfaceDecl *classInterface,
ObjcInterfaceDecl *superDecl)
: NamedDecl(ObjcImplementation, L, Id),
- ClassInterface(classInterface),
- SuperClass(superDecl),
- Ivars(0), NumIvars(-1),
- InstanceMethods(0), NumInstanceMethods(-1),
- ClassMethods(0), NumClassMethods(-1) {}
+ ClassInterface(classInterface), SuperClass(superDecl),
+ Ivars(0), NumIvars(-1) {}
void ObjcAddInstanceVariablesToClassImpl(ObjcIvarDecl **ivars,
unsigned numIvars);
- void addMethods(ObjcMethodDecl **insMethods, unsigned numInsMembers,
- ObjcMethodDecl **clsMethods, unsigned numClsMembers,
- SourceLocation AtEndLoc);
-
+ void addInstanceMethod(ObjcMethodDecl *method) {
+ InstanceMethods.push_back(method);
+ }
+ void addClassMethod(ObjcMethodDecl *method) {
+ ClassMethods.push_back(method);
+ }
+ // Location information, modeled after the Stmt API.
+ SourceLocation getLocStart() const { return getLocation(); }
+ SourceLocation getLocEnd() const { return EndLoc; }
+ void setLocEnd(SourceLocation LE) { EndLoc = LE; };
+
ObjcInterfaceDecl *getClassInterface() const { return ClassInterface; }
ObjcInterfaceDecl *getSuperClass() const { return SuperClass; }
void setSuperClass(ObjcInterfaceDecl * superCls)
{ SuperClass = superCls; }
- ObjcMethodDecl **getInstanceMethods() const { return InstanceMethods; }
- int getNumInstanceMethods() const { return NumInstanceMethods; }
+ // FIXME: Figure out how to remove the const pointer below.
+ ObjcMethodDecl *const*getInstanceMethods() const {
+ return &InstanceMethods[0];
+ }
+ int getNumInstanceMethods() const { return InstanceMethods.size(); }
- ObjcMethodDecl **getClassMethods() const { return ClassMethods; }
- int getNumClassMethods() const { return NumClassMethods; }
+ // FIXME: Figure out how to remove the const pointer below.
+ ObjcMethodDecl *const*getClassMethods() const {
+ return &ClassMethods[0];
+ }
+ int getNumClassMethods() const { return ClassMethods.size(); }
ObjcMethodDecl *lookupInstanceMethod(Selector &Sel);
ObjcMethodDecl *lookupClassMethod(Selector &Sel);
diff --git a/include/clang/Parse/Action.h b/include/clang/Parse/Action.h
index 0166e30e7c..7a725d1aca 100644
--- a/include/clang/Parse/Action.h
+++ b/include/clang/Parse/Action.h
@@ -576,19 +576,19 @@ public:
tok::ObjCKeywordKind impKind) {
return 0;
}
- // ActOnAddMethodsToObjcDecl - called to associate methods with an interface,
- // protocol, category, or implementation.
- virtual void ActOnAddMethodsToObjcDecl(
- Scope* S,
- DeclTy *ClassDecl,
- DeclTy **allMethods,
- unsigned allNum,
- DeclTy **allProperties,
- unsigned NumProperties,
- SourceLocation AtEndLoc) {
+ // ActOnAtEnd - called to mark the @end. For declarations (interfaces,
+ // protocols, categories), the parser passes all methods/properties.
+ // For class implementations, these values default to 0. For implementations,
+ // methods are processed incrementally (by ActOnMethodDeclaration above).
+ virtual void ActOnAtEnd(
+ SourceLocation AtEndLoc,
+ DeclTy *classDecl,
+ DeclTy **allMethods = 0,
+ unsigned allNum = 0,
+ DeclTy **allProperties = 0,
+ unsigned pNum = 0) {
return;
}
-
// ActOnAddObjcProperties - called to build one property AST
virtual DeclTy *ActOnAddObjcProperties (SourceLocation AtLoc,
DeclTy **allProperties, unsigned NumProperties, ObjcDeclSpec &DS) {
diff --git a/include/clang/Parse/Parser.h b/include/clang/Parse/Parser.h
index 89ebfd8437..d8bde405e5 100644
--- a/include/clang/Parse/Parser.h
+++ b/include/clang/Parse/Parser.h
@@ -269,8 +269,7 @@ private:
DeclTy *ParseObjCAtProtocolDeclaration(SourceLocation atLoc);
DeclTy *ObjcImpDecl;
- /// Vector is used to collect method decls for each @implementation
- llvm::SmallVector<DeclTy*, 32> AllImplMethods;
+
DeclTy *ParseObjCAtImplementationDeclaration(SourceLocation atLoc);
DeclTy *ParseObjCAtEndDeclaration(SourceLocation atLoc);
DeclTy *ParseObjCAtAliasDeclaration(SourceLocation atLoc);
diff --git a/test/Sema/message.m b/test/Sema/message.m
index 517a5f6824..e7717a0485 100644
--- a/test/Sema/message.m
+++ b/test/Sema/message.m
@@ -6,6 +6,6 @@
@implementation foo
- (void) contents {} // No declaration in @interface!
-- (void) meth { [self contents]; } // expected-warning {{method '-contents' not found (return type defaults to 'id')}}
+- (void) meth { [self contents]; }
@end