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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "gtestvisitors.h"
#include "gtest_utils.h"
#include <cplusplus/LookupContext.h>
#include <utils/qtcassert.h>
#include <QRegularExpression>
namespace Autotest {
namespace Internal {
GTestVisitor::GTestVisitor(CPlusPlus::Document::Ptr doc)
: CPlusPlus::ASTVisitor(doc->translationUnit())
, m_document(doc)
{
}
bool GTestVisitor::visit(CPlusPlus::FunctionDefinitionAST *ast)
{
static const QString disabledPrefix("DISABLED_");
if (!ast || !ast->declarator || !ast->declarator->core_declarator)
return false;
CPlusPlus::DeclaratorIdAST *id = ast->declarator->core_declarator->asDeclaratorId();
if (!id || !ast->symbol)
return false;
QString prettyName =
m_overview.prettyName(CPlusPlus::LookupContext::fullyQualifiedName(ast->symbol));
// get surrounding namespace(s) and strip them out
const QString namespaces = enclosingNamespaces(ast->symbol);
if (!namespaces.isEmpty()) {
QTC_CHECK(prettyName.startsWith(namespaces));
prettyName = prettyName.mid(namespaces.length());
}
if (!GTestUtils::isGTestMacro(prettyName))
return false;
QString testSuiteName;
QString testCaseName;
if (ast->symbol->argumentCount() != 2 && ast->declarator->initializer) {
// we might have a special case when second parameter is a literal starting with a number
if (auto expressionListParenAST = ast->declarator->initializer->asExpressionListParen()) {
// only try if we have 3 tokens between left and right paren (2 parameters and a comma)
if (expressionListParenAST->rparen_token - expressionListParenAST->lparen_token != 4)
return false;
const CPlusPlus::Token parameter1
= translationUnit()->tokenAt(expressionListParenAST->lparen_token + 1);
const CPlusPlus::Token parameter2
= translationUnit()->tokenAt(expressionListParenAST->rparen_token - 1);
const CPlusPlus::Token comma
= translationUnit()->tokenAt(expressionListParenAST->lparen_token + 2);
if (!comma.is(CPlusPlus::T_COMMA))
return false;
testSuiteName = QString::fromUtf8(parameter1.spell());
testCaseName = QString::fromUtf8(parameter2.spell());
// test (suite) name needs to be a alpha numerical literal ( _ and $ allowed)
const QRegularExpression alnum("^[[:alnum:]_$]+$");
// test suite must not start with a number, test case may
if (!alnum.match(testSuiteName).hasMatch()
|| (!testSuiteName.isEmpty() && testSuiteName.at(0).isNumber())) {
testSuiteName.clear();
}
if (!alnum.match(testCaseName).hasMatch())
testCaseName.clear();
}
} else {
const CPlusPlus::Symbol *firstArg = ast->symbol->argumentAt(0);
const CPlusPlus::Symbol *secondArg = ast->symbol->argumentAt(1);
if (!firstArg || !secondArg)
return false;
const CPlusPlus::Argument *testSuiteNameArg = firstArg->asArgument();
const CPlusPlus::Argument *testCaseNameArg = secondArg->asArgument();
if (testSuiteNameArg && testCaseNameArg) {
testSuiteName = m_overview.prettyType(testSuiteNameArg->type());
testCaseName = m_overview.prettyType(testCaseNameArg->type());
}
}
if (testSuiteName.isEmpty() || testCaseName.isEmpty())
return false;
const bool disabled = testCaseName.startsWith(disabledPrefix);
const bool disabledCase = testSuiteName.startsWith(disabledPrefix);
int line = 0;
int column = 0;
unsigned token = id->firstToken();
m_document->translationUnit()->getTokenStartPosition(token, &line, &column);
GTestCodeLocationAndType locationAndType;
locationAndType.m_name = testCaseName;
locationAndType.m_line = line;
locationAndType.m_column = column - 1;
locationAndType.m_type = TestTreeItem::TestCase;
locationAndType.m_state = disabled ? GTestTreeItem::Disabled
: GTestTreeItem::Enabled;
GTestCaseSpec spec;
// FIXME GTestCaseSpec structure wrong nowadays (suite vs case / case vs function)
spec.testCaseName = testSuiteName;
spec.parameterized = GTestUtils::isGTestParameterized(prettyName);
spec.typed = GTestUtils::isGTestTyped(prettyName);
spec.disabled = disabledCase;
m_gtestFunctions[spec].append(locationAndType);
return false;
}
QString GTestVisitor::enclosingNamespaces(CPlusPlus::Symbol *symbol) const
{
QString enclosing;
if (!symbol)
return enclosing;
CPlusPlus::Symbol *currentSymbol = symbol;
while (CPlusPlus::Namespace *ns = currentSymbol->enclosingNamespace()) {
if (ns->name()) // handle anonymous namespaces as well
enclosing.prepend(m_overview.prettyName(ns->name()).append("::"));
currentSymbol = ns;
}
return enclosing;
}
} // namespace Internal
} // namespace Autotest
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