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113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
//===--- PrettyStackTrace.cpp - Defines SIL crash prettifiers -------------===//
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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 - 2017 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 https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Basic/QuotedString.h"
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#include "swift/AST/PrettyStackTrace.h"
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#include "swift/AST/Decl.h"
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#include "swift/AST/Expr.h"
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#include "swift/AST/Pattern.h"
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#include "swift/AST/Stmt.h"
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#include "swift/SIL/PrettyStackTrace.h"
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#include "swift/SIL/SILFunction.h"
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#include "swift/SIL/SILModule.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace swift;
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llvm::cl::opt<bool>
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SILPrintOnError("sil-print-on-error", llvm::cl::init(false),
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llvm::cl::desc("Printing SIL function bodies in crash diagnostics."));
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llvm::cl::opt<bool> SILPrintModuleOnError(
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"sil-print-module-on-error", llvm::cl::init(false),
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llvm::cl::desc("Printing SIL module in crash diagnostics."));
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static void printLocationDescription(llvm::raw_ostream &out,
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SILLocation::FilenameAndLocation loc,
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ASTContext &Context) {
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out << "<<debugloc at " << QuotedString(loc.filename)
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<< ":" << loc.line << ":" << loc.column << ">>";
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}
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void swift::printSILLocationDescription(llvm::raw_ostream &out,
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SILLocation loc,
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ASTContext &Context) {
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if (loc.isASTNode()) {
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if (auto decl = loc.getAsASTNode<Decl>()) {
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printDeclDescription(out, decl);
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} else if (auto expr = loc.getAsASTNode<Expr>()) {
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printExprDescription(out, expr, Context);
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} else if (auto stmt = loc.getAsASTNode<Stmt>()) {
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printStmtDescription(out, stmt, Context);
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} else if (auto pattern = loc.castToASTNode<Pattern>()) {
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printPatternDescription(out, pattern, Context);
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} else {
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out << "<<unknown AST node>>";
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}
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return;
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}
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if (loc.isFilenameAndLocation()) {
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printLocationDescription(out, *loc.getFilenameAndLocation(), Context);
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return;
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}
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if (loc.isSILFile()) {
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printSourceLocDescription(out, loc.getSourceLoc(), Context);
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return;
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}
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out << "<<invalid location>>";
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return;
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}
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void PrettyStackTraceSILLocation::print(llvm::raw_ostream &out) const {
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out << "While " << Action << " at ";
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printSILLocationDescription(out, Loc, Context);
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}
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void PrettyStackTraceSILFunction::print(llvm::raw_ostream &out) const {
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out << "While " << action << " SIL function ";
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if (!func) {
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out << " <<null>>";
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return;
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}
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printFunctionInfo(out);
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}
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void PrettyStackTraceSILFunction::printFunctionInfo(llvm::raw_ostream &out) const {
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out << "\"";
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func->printName(out);
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out << "\".\n";
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if (!func->getLocation().isNull()) {
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out << " for ";
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printSILLocationDescription(out, func->getLocation(),
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func->getModule().getASTContext());
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}
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if (SILPrintOnError)
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func->print(out);
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if (SILPrintModuleOnError)
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func->getModule().print(out, func->getModule().getSwiftModule());
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}
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void PrettyStackTraceSILNode::print(llvm::raw_ostream &out) const {
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out << "While " << Action << " SIL node ";
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if (Node)
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out << *Node;
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}
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void PrettyStackTraceSILDeclRef::print(llvm::raw_ostream &out) const {
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out << "While " << action << " SIL decl '";
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declRef.print(out);
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out << "'\n";
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}
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