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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "ldparser.h"
#include "projectexplorerconstants.h"
#include <utils/algorithm.h>
#include <utils/qtcassert.h>
using namespace ProjectExplorer;
namespace {
// opt. drive letter + filename: (2 brackets)
const char * const FILE_PATTERN = "(([A-Za-z]:)?[^:]+\\.[^:]+):";
// line no. or elf segment + offset (1 bracket)
const char * const POSITION_PATTERN = "(\\S+|\\(\\..+?[+-]0x[a-fA-F0-9]+\\)):";
const char * const COMMAND_PATTERN = "^(.*[\\\\/])?([a-z0-9]+-[a-z0-9]+-[a-z0-9]+-)?(ld|gold)(-[0-9\\.]+)?(\\.exe)?: ";
const char *const RANLIB_PATTERN = "ranlib(.exe)?: (file: (.*) has no symbols)$";
}
LdParser::LdParser()
{
setObjectName(QLatin1String("LdParser"));
m_ranlib.setPattern(QLatin1String(RANLIB_PATTERN));
QTC_CHECK(m_ranlib.isValid());
m_regExpLinker.setPattern(QLatin1Char('^') +
QString::fromLatin1(FILE_PATTERN) + QLatin1Char('(') +
QString::fromLatin1(FILE_PATTERN) + QLatin1String(")?(") +
QLatin1String(POSITION_PATTERN) + QLatin1String(")?\\s(.+)$"));
QTC_CHECK(m_regExpLinker.isValid());
m_regExpGccNames.setPattern(QLatin1String(COMMAND_PATTERN));
QTC_CHECK(m_regExpGccNames.isValid());
}
Utils::OutputLineParser::Result LdParser::handleLine(const QString &line, Utils::OutputFormat type)
{
if (type != Utils::StdErrFormat)
return Status::NotHandled;
QString lne = rightTrimmed(line);
if (!lne.isEmpty() && !lne.at(0).isSpace() && !m_incompleteTask.isNull()) {
flush();
return Status::NotHandled;
}
if (lne.startsWith(QLatin1String("TeamBuilder "))
|| lne.startsWith(QLatin1String("distcc["))
|| lne.contains(QLatin1String("ar: creating "))) {
return Status::NotHandled;
}
// ld on macOS
if (lne.startsWith("Undefined symbols for architecture") && lne.endsWith(":")) {
m_incompleteTask = CompileTask(Task::Error, lne);
return Status::InProgress;
}
if (!m_incompleteTask.isNull() && lne.startsWith(" ")) {
m_incompleteTask.details.append(lne);
static const QRegularExpression locRegExp(" (?<symbol>\\S+) in (?<file>\\S+)");
const QRegularExpressionMatch match = locRegExp.match(lne);
LinkSpecs linkSpecs;
if (match.hasMatch()) {
m_incompleteTask.setFile(absoluteFilePath(Utils::FilePath::fromString(
match.captured("file"))));
addLinkSpecForAbsoluteFilePath(linkSpecs, m_incompleteTask.file, 0, match, "file");
}
return {Status::InProgress, linkSpecs};
}
if (lne.startsWith("collect2:") || lne.startsWith("collect2.exe:")) {
scheduleTask(CompileTask(Task::Error, lne /* description */), 1);
return Status::Done;
}
QRegularExpressionMatch match = m_ranlib.match(lne);
if (match.hasMatch()) {
QString description = match.captured(2);
scheduleTask(CompileTask(Task::Warning, description), 1);
return Status::Done;
}
match = m_regExpGccNames.match(lne);
if (match.hasMatch()) {
QString description = lne.mid(match.capturedLength());
Task::TaskType type = Task::Error;
if (description.startsWith(QLatin1String("warning: "))) {
type = Task::Warning;
description = description.mid(9);
} else if (description.startsWith(QLatin1String("fatal: "))) {
description = description.mid(7);
}
scheduleTask(CompileTask(type, description), 1);
return Status::Done;
}
match = m_regExpLinker.match(lne);
if (match.hasMatch() && lne.count(':') >= 2) {
bool ok;
int lineno = match.captured(7).toInt(&ok);
if (!ok)
lineno = -1;
Utils::FilePath filename
= absoluteFilePath(Utils::FilePath::fromUserInput(match.captured(1)));
int capIndex = 1;
const QString sourceFileName = match.captured(4);
if (!sourceFileName.isEmpty()
&& !sourceFileName.startsWith(QLatin1String("(.text"))
&& !sourceFileName.startsWith(QLatin1String("(.data"))) {
filename = absoluteFilePath(Utils::FilePath::fromUserInput(sourceFileName));
capIndex = 4;
}
QString description = match.captured(8).trimmed();
Task::TaskType type = Task::Error;
if (description.startsWith(QLatin1String("first defined here")) ||
description.startsWith(QLatin1String("note:"), Qt::CaseInsensitive)) {
type = Task::Unknown;
} else if (description.startsWith(QLatin1String("warning: "), Qt::CaseInsensitive)) {
type = Task::Warning;
description = description.mid(9);
}
static const QStringList keywords{
"File format not recognized",
"undefined reference",
"first defined here",
"feupdateenv is not implemented and will always fail", // yes, this is quite special ...
};
const auto descriptionContainsKeyword = [&description](const QString &keyword) {
return description.contains(keyword);
};
if (Utils::anyOf(keywords, descriptionContainsKeyword)) {
LinkSpecs linkSpecs;
addLinkSpecForAbsoluteFilePath(linkSpecs, filename, lineno, match, capIndex);
scheduleTask(CompileTask(type, description, filename, lineno), 1);
return {Status::Done, linkSpecs};
}
}
return Status::NotHandled;
}
void LdParser::flush()
{
if (m_incompleteTask.isNull())
return;
const Task t = m_incompleteTask;
m_incompleteTask.clear();
scheduleTask(t, 1);
}
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