1*a7dea167SDimitry Andric //===--- Source.cpp - Source expression tracking ----------------*- C++ -*-===// 2*a7dea167SDimitry Andric // 3*a7dea167SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*a7dea167SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*a7dea167SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*a7dea167SDimitry Andric // 7*a7dea167SDimitry Andric //===----------------------------------------------------------------------===// 8*a7dea167SDimitry Andric 9*a7dea167SDimitry Andric #include "Source.h" 10*a7dea167SDimitry Andric #include "clang/AST/Expr.h" 11*a7dea167SDimitry Andric 12*a7dea167SDimitry Andric using namespace clang; 13*a7dea167SDimitry Andric using namespace clang::interp; 14*a7dea167SDimitry Andric 15*a7dea167SDimitry Andric SourceLocation SourceInfo::getLoc() const { 16*a7dea167SDimitry Andric if (const Expr *E = asExpr()) 17*a7dea167SDimitry Andric return E->getExprLoc(); 18*a7dea167SDimitry Andric if (const Stmt *S = asStmt()) 19*a7dea167SDimitry Andric return S->getBeginLoc(); 20*a7dea167SDimitry Andric if (const Decl *D = asDecl()) 21*a7dea167SDimitry Andric return D->getBeginLoc(); 22*a7dea167SDimitry Andric return SourceLocation(); 23*a7dea167SDimitry Andric } 24*a7dea167SDimitry Andric 25*a7dea167SDimitry Andric const Expr *SourceInfo::asExpr() const { 26*a7dea167SDimitry Andric if (auto *S = Source.dyn_cast<const Stmt *>()) 27*a7dea167SDimitry Andric return dyn_cast<Expr>(S); 28*a7dea167SDimitry Andric return nullptr; 29*a7dea167SDimitry Andric } 30*a7dea167SDimitry Andric 31*a7dea167SDimitry Andric const Expr *SourceMapper::getExpr(Function *F, CodePtr PC) const { 32*a7dea167SDimitry Andric if (const Expr *E = getSource(F, PC).asExpr()) 33*a7dea167SDimitry Andric return E; 34*a7dea167SDimitry Andric llvm::report_fatal_error("missing source expression"); 35*a7dea167SDimitry Andric } 36*a7dea167SDimitry Andric 37*a7dea167SDimitry Andric SourceLocation SourceMapper::getLocation(Function *F, CodePtr PC) const { 38*a7dea167SDimitry Andric return getSource(F, PC).getLoc(); 39*a7dea167SDimitry Andric } 40