C++ SourceLocation::end方法代码示例

SourceLocation QmlJS::locationFromRange(const SourceLocation &start,
                                        const SourceLocation &end)
{
    return SourceLocation(start.offset,
                          end.end() - start.begin(),
                          start.startLine,
                          start.startColumn);
}

    void out(const QString &str, const SourceLocation &lastLoc = SourceLocation())
    {
        if (lastLoc.isValid()) {
            QList<SourceLocation> comments = _doc->engine()->comments();
            for (; _nextComment < comments.size(); ++_nextComment) {
                SourceLocation commentLoc = comments.at(_nextComment);
                if (commentLoc.end() > lastLoc.end())
                    break;

                outComment(commentLoc);
            }
        }

        QStringList lines = str.split(QLatin1Char('\n'));
        for (int i = 0; i < lines.size(); ++i) {
            _line += lines.at(i);
            if (i != lines.size() - 1)
                newLine();
        }
        _hadEmptyLine = false;
    }

QmlJS::AST::SourceLocation QMLRewriter::calculateLocation(QmlJS::AST::UiQualifiedId *id)
{
    Q_ASSERT(id != 0);

    const SourceLocation startLocation = id->identifierToken;

    UiQualifiedId *nextId = id;
    while (nextId->next) {
        nextId = nextId->next;
    }

    const SourceLocation endLocation = nextId->identifierToken;

    return SourceLocation(startLocation.offset, endLocation.end() - startLocation.offset);
}

Rewriter::Range Rewriter::addBinding(AST::UiObjectInitializer *ast,
                                     const QString &propertyName,
                                     const QString &propertyValue,
                                     BindingType bindingType,
                                     UiObjectMemberList *insertAfter)
{
    SourceLocation endOfPreviousMember;
    SourceLocation startOfNextMember;

    if (insertAfter == 0 || insertAfter->member == 0) {
        // insert as first member
        endOfPreviousMember = ast->lbraceToken;

        if (ast->members && ast->members->member)
            startOfNextMember = ast->members->member->firstSourceLocation();
        else
            startOfNextMember = ast->rbraceToken;
    } else {
        endOfPreviousMember = insertAfter->member->lastSourceLocation();

        if (insertAfter->next && insertAfter->next->member)
            startOfNextMember = insertAfter->next->member->firstSourceLocation();
        else
            startOfNextMember = ast->rbraceToken;
    }
    const bool isOneLiner = endOfPreviousMember.startLine == startOfNextMember.startLine;
    bool needsPreceedingSemicolon = false;
    bool needsTrailingSemicolon = false;

    if (isOneLiner) {
        if (insertAfter == 0) { // we're inserting after an lbrace
            if (ast->members) { // we're inserting before a member (and not the rbrace)
                needsTrailingSemicolon = bindingType == ScriptBinding;
            }
        } else { // we're inserting after a member, not after the lbrace
            if (endOfPreviousMember.isValid()) { // there already is a semicolon after the previous member
                if (insertAfter->next && insertAfter->next->member) { // and the after us there is a member, not an rbrace, so:
                    needsTrailingSemicolon = bindingType == ScriptBinding;
                }
            } else { // there is no semicolon after the previous member (probably because there is an rbrace after us/it, so:
                needsPreceedingSemicolon = true;
            }
        }
    }

    QString newPropertyTemplate;
    switch (bindingType) {
    case ArrayBinding:
        newPropertyTemplate = QLatin1String("%1: [\n%2\n]");
        break;

    case ObjectBinding:
        newPropertyTemplate = QLatin1String("%1: %2");
        break;

    case ScriptBinding:
        newPropertyTemplate = QLatin1String("%1: %2");
        break;

    default:
        Q_ASSERT(!"unknown property type");
    }

    if (isOneLiner) {
        if (needsPreceedingSemicolon)
            newPropertyTemplate.prepend(QLatin1Char(';'));
        newPropertyTemplate.prepend(QLatin1Char(' '));
        if (needsTrailingSemicolon)
            newPropertyTemplate.append(QLatin1Char(';'));
    } else {
        newPropertyTemplate.prepend(QLatin1Char('\n'));
    }

    m_changeSet->insert(endOfPreviousMember.end(),
                         newPropertyTemplate.arg(propertyName, propertyValue));

    return Range(endOfPreviousMember.end(), endOfPreviousMember.end());
}

// FIXME: duplicate code in the QmlJS::Rewriter class, remove this
void AddPropertyVisitor::addInMembers(QmlJS::AST::UiObjectInitializer *initializer)
{
    UiObjectMemberList *insertAfter = searchMemberToInsertAfter(initializer->members, m_name, m_propertyOrder);
    SourceLocation endOfPreviousMember;
    SourceLocation startOfNextMember;
    unsigned depth;

    if (insertAfter == 0 || insertAfter->member == 0) {
        // insert as first member
        endOfPreviousMember = initializer->lbraceToken;

        if (initializer->members && initializer->members->member)
            startOfNextMember = initializer->members->member->firstSourceLocation();
        else
            startOfNextMember = initializer->rbraceToken;

        depth = calculateIndentDepth(endOfPreviousMember) + indentDepth();
    } else {
        endOfPreviousMember = insertAfter->member->lastSourceLocation();

        if (insertAfter->next && insertAfter->next->member)
            startOfNextMember = insertAfter->next->member->firstSourceLocation();
        else
            startOfNextMember = initializer->rbraceToken;

        depth = calculateIndentDepth(endOfPreviousMember);
    }
    const bool isOneLiner = endOfPreviousMember.startLine == startOfNextMember.startLine;
    bool needsPreceedingSemicolon = false;
    bool needsTrailingSemicolon = false;

    if (isOneLiner) {
        if (insertAfter == 0) { // we're inserting after an lbrace
            if (initializer->members) { // we're inserting before a member (and not the rbrace)
                needsTrailingSemicolon = m_propertyType == QmlRefactoring::ScriptBinding;
            }
        } else { // we're inserting after a member, not after the lbrace
            if (endOfPreviousMember.isValid()) { // there already is a semicolon after the previous member
                if (insertAfter->next && insertAfter->next->member) { // and the after us there is a member, not an rbrace, so:
                    needsTrailingSemicolon = m_propertyType == QmlRefactoring::ScriptBinding;
                }
            } else { // there is no semicolon after the previous member (probably because there is an rbrace after us/it, so:
                needsPreceedingSemicolon = true;
            }
        }
    }

    QString newPropertyTemplate;
    switch (m_propertyType) {
    case QmlRefactoring::ArrayBinding:
        newPropertyTemplate = QLatin1String("%1: [\n%2\n]");
        m_value = addIndentation(m_value, 4);
        break;

    case QmlRefactoring::ObjectBinding:
        newPropertyTemplate = QLatin1String("%1: %2");
        break;

    case QmlRefactoring::ScriptBinding:
        newPropertyTemplate = QLatin1String("%1: %2");
        break;

    default:
        Q_ASSERT(!"unknown property type");
    }

    if (isOneLiner) {
        if (needsPreceedingSemicolon)
            newPropertyTemplate.prepend(QLatin1Char(';'));
        newPropertyTemplate.prepend(QLatin1Char(' '));
        if (needsTrailingSemicolon)
            newPropertyTemplate.append(QLatin1Char(';'));
        depth = 0;
    } else {
        newPropertyTemplate.prepend(QLatin1Char('\n'));
    }

    const QString newPropertyText = addIndentation(newPropertyTemplate.arg(m_name, m_value), depth);
    replace(endOfPreviousMember.end(), 0, newPropertyText);

    setDidRewriting(true);
}

bool ScopeAstPath::containsOffset(SourceLocation start, SourceLocation end)
{
    return _offset >= start.begin() && _offset <= end.end();
}