Files
swift-mirror/lib/AST/Decl.cpp

73 lines
2.0 KiB
C++

//===--- Decl.cpp - Swift Language Decl ASTs ------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// This file implements the Decl class and subclasses.
//
//===----------------------------------------------------------------------===//
#include "swift/AST/Decl.h"
#include "swift/AST/ASTContext.h"
#include "swift/AST/Expr.h"
#include "swift/AST/Type.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/raw_ostream.h"
using namespace swift;
using llvm::cast;
// Only allow allocation of Decls using the allocator in ASTContext.
void *Decl::operator new(size_t Bytes, ASTContext &C,
unsigned Alignment) throw() {
return C.Allocate(Bytes, Alignment);
}
void Decl::dump() const { print(llvm::errs()); llvm::errs() << '\n'; }
void Decl::print(llvm::raw_ostream &OS, unsigned Indent) const {
switch (getKind()) {
case VarDeclKind: return cast<VarDecl>(this)->print(OS, Indent);
case FuncDeclKind: return cast<FuncDecl>(this)->print(OS, Indent);
}
}
llvm::SMLoc NamedDecl::getLocStart() const {
if (const VarDecl *V = llvm::dyn_cast<VarDecl>(this))
return V->VarLoc;
return cast<FuncDecl>(this)->FuncLoc;
}
void NamedDecl::printCommon(llvm::raw_ostream &OS, unsigned Indent) const {
OS << "'" << Name << "' type='";
Ty->print(OS);
OS << "'";
if (Init) {
OS << '\n';
Init->print(OS, Indent+1);
}
OS << ')';
}
void VarDecl::print(llvm::raw_ostream &OS, unsigned Indent) const {
OS.indent(Indent) << "(vardecl ";
printCommon(OS, Indent);
}
void FuncDecl::print(llvm::raw_ostream &OS, unsigned Indent) const {
OS.indent(Indent) << "(funcdecl ";
printCommon(OS, Indent);
}