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//===--- PrettyStackTrace.cpp - Defines SIL crash prettifiers -------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "swift/Basic/QuotedString.h"
#include "swift/AST/PrettyStackTrace.h"
#include "swift/AST/Decl.h"
#include "swift/AST/Expr.h"
#include "swift/AST/Pattern.h"
#include "swift/AST/Stmt.h"
#include "swift/SIL/PrettyStackTrace.h"
#include "swift/SIL/SILFunction.h"
#include "swift/SIL/SILModule.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"
using namespace swift;
llvm::cl::opt<bool>
SILPrintOnError("sil-print-on-error", llvm::cl::init(false),
llvm::cl::desc("Printing SIL function bodies in crash diagnostics."));
llvm::cl::opt<bool> SILPrintModuleOnError(
"sil-print-module-on-error", llvm::cl::init(false),
llvm::cl::desc("Printing SIL module in crash diagnostics."));
static void printLocationDescription(llvm::raw_ostream &out,
SILLocation::FilenameAndLocation loc,
ASTContext &Context) {
out << "<<debugloc at " << QuotedString(loc.filename)
<< ":" << loc.line << ":" << loc.column << ">>";
}
void swift::printSILLocationDescription(llvm::raw_ostream &out,
SILLocation loc,
ASTContext &Context) {
if (loc.isASTNode()) {
if (auto decl = loc.getAsASTNode<Decl>()) {
printDeclDescription(out, decl);
} else if (auto expr = loc.getAsASTNode<Expr>()) {
printExprDescription(out, expr, Context);
} else if (auto stmt = loc.getAsASTNode<Stmt>()) {
printStmtDescription(out, stmt, Context);
} else if (auto pattern = loc.castToASTNode<Pattern>()) {
printPatternDescription(out, pattern, Context);
} else {
out << "<<unknown AST node>>";
}
return;
}
if (loc.isFilenameAndLocation()) {
printLocationDescription(out, *loc.getFilenameAndLocation(), Context);
return;
}
if (loc.isSILFile()) {
printSourceLocDescription(out, loc.getSourceLoc(), Context);
return;
}
out << "<<invalid location>>";
return;
}
void PrettyStackTraceSILLocation::print(llvm::raw_ostream &out) const {
out << "While " << Action << " at ";
printSILLocationDescription(out, Loc, Context);
}
void PrettyStackTraceSILFunction::print(llvm::raw_ostream &out) const {
out << "While " << action << " SIL function ";
if (!func) {
out << " <<null>>";
return;
}
printFunctionInfo(out);
}
void PrettyStackTraceSILFunction::printFunctionInfo(llvm::raw_ostream &out) const {
out << "\"";
func->printName(out);
out << "\".\n";
if (!func->getLocation().isNull()) {
out << " for ";
printSILLocationDescription(out, func->getLocation(),
func->getModule().getASTContext());
}
if (SILPrintOnError)
func->print(out);
if (SILPrintModuleOnError)
func->getModule().print(out);
}
void PrettyStackTraceSILNode::print(llvm::raw_ostream &out) const {
out << "While " << Action << " SIL node ";
if (Node)
out << *Node;
}
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