aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/clang/Basic/DiagnosticSemaKinds.td8
-rw-r--r--include/clang/Sema/DeclSpec.h38
-rw-r--r--include/clang/Sema/Scope.h49
3 files changed, 73 insertions, 22 deletions
diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index 31a847b129..e092b9a772 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -5898,6 +5898,14 @@ def err_noreturn_missing_on_first_decl : Error<
"function declared '[[noreturn]]' after its first declaration">;
def note_noreturn_missing_first_decl : Note<
"declaration missing '[[noreturn]]' attribute is here">;
+def err_carries_dependency_missing_on_first_decl : Error<
+ "%select{function|parameter}0 declared '[[carries_dependency]]' "
+ "after its first declaration">;
+def note_carries_dependency_missing_first_decl : Note<
+ "declaration missing '[[carries_dependency]]' attribute is here">;
+def err_carries_dependency_param_not_function_decl : Error<
+ "'[[carries_dependency]]' attribute only allowed on parameter in a function "
+ "declaration or lambda">;
def err_block_on_nonlocal : Error<
"__block attribute not allowed, only allowed on local variables">;
def err_block_on_vm : Error<
diff --git a/include/clang/Sema/DeclSpec.h b/include/clang/Sema/DeclSpec.h
index 0d2c948399..fc43ed66fb 100644
--- a/include/clang/Sema/DeclSpec.h
+++ b/include/clang/Sema/DeclSpec.h
@@ -1879,6 +1879,44 @@ public:
/// type. This routine checks for both cases.
bool isDeclarationOfFunction() const;
+ /// \brief Return true if a function declarator at this position would be a
+ /// function declaration.
+ bool isFunctionDeclaratorAFunctionDeclaration() const {
+ if (getDeclSpec().getStorageClassSpec() == DeclSpec::SCS_typedef)
+ return false;
+
+ for (unsigned I = 0, N = getNumTypeObjects(); I != N; ++I)
+ if (getTypeObject(I).Kind != DeclaratorChunk::Paren)
+ return false;
+
+ switch (Context) {
+ case FileContext:
+ case MemberContext:
+ case BlockContext:
+ return true;
+
+ case ForContext:
+ case ConditionContext:
+ case KNRTypeListContext:
+ case TypeNameContext:
+ case AliasDeclContext:
+ case AliasTemplateContext:
+ case PrototypeContext:
+ case ObjCParameterContext:
+ case ObjCResultContext:
+ case TemplateParamContext:
+ case CXXNewContext:
+ case CXXCatchContext:
+ case ObjCCatchContext:
+ case BlockLiteralContext:
+ case LambdaExprContext:
+ case TemplateTypeArgContext:
+ case TrailingReturnContext:
+ return false;
+ }
+ llvm_unreachable("unknown context kind!");
+ }
+
/// takeAttributes - Takes attributes from the given parsed-attributes
/// set and add them to this declarator.
///
diff --git a/include/clang/Sema/Scope.h b/include/clang/Sema/Scope.h
index 855485d08e..4957d85e00 100644
--- a/include/clang/Sema/Scope.h
+++ b/include/clang/Sema/Scope.h
@@ -32,61 +32,66 @@ public:
/// ScopeFlags - These are bitfields that are or'd together when creating a
/// scope, which defines the sorts of things the scope contains.
enum ScopeFlags {
- /// FnScope - This indicates that the scope corresponds to a function, which
+ /// \brief This indicates that the scope corresponds to a function, which
/// means that labels are set here.
FnScope = 0x01,
- /// BreakScope - This is a while,do,switch,for, etc that can have break
- /// stmts embedded into it.
+ /// \brief This is a while, do, switch, for, etc that can have break
+ /// statements embedded into it.
BreakScope = 0x02,
- /// ContinueScope - This is a while,do,for, which can have continue
- /// stmt embedded into it.
+ /// \brief This is a while, do, for, which can have continue statements
+ /// embedded into it.
ContinueScope = 0x04,
- /// DeclScope - This is a scope that can contain a declaration. Some scopes
+ /// \brief This is a scope that can contain a declaration. Some scopes
/// just contain loop constructs but don't contain decls.
DeclScope = 0x08,
- /// ControlScope - The controlling scope in a if/switch/while/for statement.
+ /// \brief The controlling scope in a if/switch/while/for statement.
ControlScope = 0x10,
- /// ClassScope - The scope of a struct/union/class definition.
+ /// \brief The scope of a struct/union/class definition.
ClassScope = 0x20,
- /// BlockScope - This is a scope that corresponds to a block/closure object.
+ /// \brief This is a scope that corresponds to a block/closure object.
/// Blocks serve as top-level scopes for some objects like labels, they
/// also prevent things like break and continue. BlockScopes always have
/// the FnScope and DeclScope flags set as well.
BlockScope = 0x40,
- /// TemplateParamScope - This is a scope that corresponds to the
+ /// \brief This is a scope that corresponds to the
/// template parameters of a C++ template. Template parameter
/// scope starts at the 'template' keyword and ends when the
/// template declaration ends.
TemplateParamScope = 0x80,
- /// FunctionPrototypeScope - This is a scope that corresponds to the
+ /// \brief This is a scope that corresponds to the
/// parameters within a function prototype.
FunctionPrototypeScope = 0x100,
- /// AtCatchScope - This is a scope that corresponds to the Objective-C
+ /// \brief This is a scope that corresponds to the parameters within
+ /// a function prototype for a function declaration (as opposed to any
+ /// other kind of function declarator). Always has FunctionPrototypeScope
+ /// set as well.
+ FunctionDeclarationScope = 0x200,
+
+ /// \brief This is a scope that corresponds to the Objective-C
/// \@catch statement.
- AtCatchScope = 0x200,
+ AtCatchScope = 0x400,
- /// ObjCMethodScope - This scope corresponds to an Objective-C method body.
+ /// \brief This scope corresponds to an Objective-C method body.
/// It always has FnScope and DeclScope set as well.
- ObjCMethodScope = 0x400,
+ ObjCMethodScope = 0x800,
- /// SwitchScope - This is a scope that corresponds to a switch statement.
- SwitchScope = 0x800,
+ /// \brief This is a scope that corresponds to a switch statement.
+ SwitchScope = 0x1000,
- /// TryScope - This is the scope of a C++ try statement.
- TryScope = 0x1000,
+ /// \brief This is the scope of a C++ try statement.
+ TryScope = 0x2000,
- /// FnTryCatchScope - This is the scope for a function-level C++ try or
- /// catch scope.
- FnTryCatchScope = 0x2000
+ /// \brief This is the scope for a function-level C++ try or catch scope.
+ FnTryCatchScope = 0x4000
};
private:
/// The parent scope for this scope. This is null for the translation-unit