Files
swift-mirror/lib/SIL/SILLocation.cpp

106 lines
3.2 KiB
C++

//===--- SILLocation.cpp - Location information for SIL nodes -------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "swift/SIL/SILLocation.h"
#include "swift/AST/Decl.h"
#include "swift/AST/Expr.h"
#include "swift/AST/Pattern.h"
#include "swift/AST/Stmt.h"
#include "llvm/Support/raw_ostream.h"
using namespace swift;
SourceLoc SILLocation::getSourceLoc() const {
if (ASTNode.isNull())
return SILFileSourceLoc;
if (alwaysPointsToStart())
return getStartSourceLoc();
// Use the end location for the CleanupKind.
if (getKind() == CleanupKind) {
return getEndSourceLoc();
}
// Use the end location for the ImplicitReturnKind.
if (getKind() == ImplicitReturnKind) {
return getEndSourceLoc();
}
// Use the start location for the ReturnKind.
if (getKind() == ReturnKind) {
return getStartSourceLoc();
}
if (auto decl = ASTNode.dyn_cast<Decl*>())
return decl->getLoc();
if (auto expr = ASTNode.dyn_cast<Expr*>())
return expr->getLoc();
if (auto stmt = ASTNode.dyn_cast<Stmt*>())
return stmt->getStartLoc();
if (auto patt = ASTNode.dyn_cast<Pattern*>())
return patt->getStartLoc();
llvm_unreachable("impossible SILLocation");
}
SourceLoc SILLocation::getStartSourceLoc() const {
if (ASTNode.isNull())
return SILFileSourceLoc;
if (auto decl = ASTNode.dyn_cast<Decl*>())
return decl->getStartLoc();
if (auto expr = ASTNode.dyn_cast<Expr*>())
return expr->getStartLoc();
if (auto stmt = ASTNode.dyn_cast<Stmt*>())
return stmt->getStartLoc();
if (auto patt = ASTNode.dyn_cast<Pattern*>())
return patt->getStartLoc();
llvm_unreachable("impossible SILLocation");
}
SourceLoc SILLocation::getEndSourceLoc() const {
if (ASTNode.isNull())
return SILFileSourceLoc;
if (auto decl = ASTNode.dyn_cast<Decl*>())
return decl->getEndLoc();
if (auto expr = ASTNode.dyn_cast<Expr*>())
return expr->getEndLoc();
if (auto stmt = ASTNode.dyn_cast<Stmt*>())
return stmt->getEndLoc();
if (auto patt = ASTNode.dyn_cast<Pattern*>())
return patt->getEndLoc();
llvm_unreachable("impossible SILLocation");
}
void SILLocation::dump(const SourceManager &SM) const {
print(llvm::errs(), SM);
}
void SILLocation::print(raw_ostream &OS, const SourceManager &SM) const {
if (isNull())
OS << "<no loc>";
getSourceLoc().print(OS, SM);
}
CleanupLocation CleanupLocation::getCleanupLocation(SILLocation L) {
if (Expr *E = L.getAsASTNode<Expr>())
return CleanupLocation(E);
if (Stmt *S = L.getAsASTNode<Stmt>())
return CleanupLocation(S);
if (Pattern *P = L.getAsASTNode<Pattern>())
return CleanupLocation(P);
if (Decl *D = L.getAsASTNode<Decl>())
return CleanupLocation(D);
if (L.isNull())
return CleanupLocation();
llvm_unreachable("Cannot construct Cleanup loc from the "
"given location.");
}