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ad438c55e3
var def = DataSearchFlags::None; -ast-dump's into: (vardecl 'def' type='DataSearchFlags' (declref_expr type='DataSearchFlags' decl=None)) Swift SVN r182
126 lines
4.0 KiB
C++
126 lines
4.0 KiB
C++
//===--- Decl.cpp - Swift Language Decl ASTs ------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Decl class and subclasses.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/AST/Decl.h"
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#include "swift/AST/ASTContext.h"
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#include "swift/AST/Expr.h"
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#include "swift/AST/Type.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace swift;
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using llvm::cast;
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// Only allow allocation of Decls using the allocator in ASTContext.
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void *Decl::operator new(size_t Bytes, ASTContext &C,
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unsigned Alignment) throw() {
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return C.Allocate(Bytes, Alignment);
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}
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llvm::SMLoc NamedDecl::getLocStart() const {
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switch (getKind()) {
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case DataDeclKind: return cast<DataDecl>(this)->getLocStart();
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case VarDeclKind: return cast<VarDecl>(this)->getLocStart();
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case FuncDeclKind: return cast<FuncDecl>(this)->getLocStart();
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case DataElementDeclKind:return cast<DataElementDecl>(this)->getLocStart();
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case ArgDeclKind: return cast<ArgDecl>(this)->getLocStart();
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case AnonDeclKind: return cast<AnonDecl>(this)->getLocStart();
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case ElementRefDeclKind: return cast<ElementRefDecl>(this)->getLocStart();
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}
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assert(0 && "Unknown decl kind");
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return llvm::SMLoc();
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}
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DataElementDecl *DataDecl::getElement(Identifier Name) const {
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// FIXME: Linear search is not great for large data decls.
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for (unsigned i = 0, e = NumElements; i != e; ++i)
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if (Elements[i]->Name == Name)
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return Elements[i];
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return 0;
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}
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void Decl::dump() const { print(llvm::errs()); llvm::errs() << '\n'; }
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void Decl::print(llvm::raw_ostream &OS, unsigned Indent) const {
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switch (getKind()) {
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case DataDeclKind: return cast<DataDecl>(this)->print(OS, Indent);
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case VarDeclKind: return cast<VarDecl>(this)->print(OS, Indent);
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case FuncDeclKind: return cast<FuncDecl>(this)->print(OS, Indent);
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case DataElementDeclKind:return cast<DataElementDecl>(this)->print(OS,Indent);
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case ArgDeclKind: return cast<ArgDecl>(this)->print(OS, Indent);
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case AnonDeclKind: return cast<AnonDecl>(this)->print(OS, Indent);
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case ElementRefDeclKind: return cast<ElementRefDecl>(this)->print(OS, Indent);
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}
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}
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void NamedDecl::printCommon(llvm::raw_ostream &OS, unsigned Indent) const {
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OS << "'" << Name << "'";
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}
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void DataDecl::print(llvm::raw_ostream &OS, unsigned Indent) const {
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OS.indent(Indent) << "(datadecl ";
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printCommon(OS, Indent);
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OS << ')';
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}
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void ValueDecl::printCommon(llvm::raw_ostream &OS, unsigned Indent) const {
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NamedDecl::printCommon(OS, Indent);
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OS << " type='";
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Ty->print(OS);
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OS << "'";
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if (Init) {
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OS << '\n';
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Init->print(OS, Indent+1);
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}
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OS << ')';
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}
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void VarDecl::print(llvm::raw_ostream &OS, unsigned Indent) const {
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OS.indent(Indent) << "(vardecl ";
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printCommon(OS, Indent);
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}
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void FuncDecl::print(llvm::raw_ostream &OS, unsigned Indent) const {
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OS.indent(Indent) << "(funcdecl ";
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printCommon(OS, Indent);
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}
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void DataElementDecl::print(llvm::raw_ostream &OS, unsigned Indent) const {
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OS.indent(Indent) << "(dataeltdecl ";
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printCommon(OS, Indent);
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}
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void ArgDecl::print(llvm::raw_ostream &OS, unsigned Indent) const {
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OS.indent(Indent) << "(argdecl ";
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printCommon(OS, Indent);
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}
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void AnonDecl::print(llvm::raw_ostream &OS, unsigned Indent) const {
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OS.indent(Indent) << "(anondecl ";
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printCommon(OS, Indent);
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}
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void ElementRefDecl::print(llvm::raw_ostream &OS, unsigned Indent) const {
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OS.indent(Indent) << "(elementrefdecl ";
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printCommon(OS, Indent);
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}
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