forked from qt-creator/qt-creator
1598 lines
50 KiB
C++
1598 lines
50 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**************************************************************************/
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#include "cppcodeformatter.h"
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#include <Token.h>
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#include <Lexer.h>
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#include <texteditor/basetextdocumentlayout.h>
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#include <texteditor/tabsettings.h>
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#include <utils/qtcassert.h>
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#include <QtCore/QDebug>
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#include <QtCore/QMetaEnum>
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#include <QtGui/QTextDocument>
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#include <QtGui/QTextCursor>
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#include <QtGui/QTextBlock>
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#include "cppcodestylesettingspage.h"
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using namespace CPlusPlus;
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using namespace CppTools;
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using namespace TextEditor;
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using namespace CppTools::Internal;
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CodeFormatter::BlockData::BlockData()
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: m_blockRevision(-1)
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{
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}
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CodeFormatter::CodeFormatter()
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: m_indentDepth(0)
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, m_paddingDepth(0)
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, m_tabSize(4)
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{
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}
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CodeFormatter::~CodeFormatter()
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{
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}
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void CodeFormatter::setTabSize(int tabSize)
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{
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m_tabSize = tabSize;
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}
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void CodeFormatter::recalculateStateAfter(const QTextBlock &block)
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{
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restoreCurrentState(block.previous());
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bool endedJoined = false;
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const int lexerState = tokenizeBlock(block, &endedJoined);
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m_tokenIndex = 0;
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m_newStates.clear();
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if (tokenAt(0).kind() == T_POUND) {
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enter(cpp_macro_start);
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m_tokenIndex = 1;
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}
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for (; m_tokenIndex < m_tokens.size(); ) {
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m_currentToken = tokenAt(m_tokenIndex);
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const int kind = m_currentToken.kind();
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switch (m_currentState.top().type) {
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case topmost_intro:
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tryDeclaration();
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break;
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case namespace_start:
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switch (kind) {
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case T_LBRACE: enter(namespace_open); break;
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case T_SEMICOLON:
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case T_RBRACE: leave(); break;
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} break;
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case namespace_open:
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if (tryDeclaration())
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break;
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switch (kind) {
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case T_RBRACE: leave(); continue; // always nested in namespace_start
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} break;
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case extern_start:
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switch (kind) {
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case T_STRING_LITERAL: break; // continue looking for the lbrace
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case T_LBRACE: enter(extern_open); break;
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default: leave(); continue;
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} break;
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case extern_open:
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if (tryDeclaration())
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break;
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switch (kind) {
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case T_RBRACE: leave(); leave(); break; // always nested in extern_start
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} break;
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case class_start:
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switch (kind) {
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case T_SEMICOLON: leave(); break;
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case T_LPAREN: turnInto(declaration_start); continue; // "struct Foo bar() {"
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case T_LBRACE: enter(class_open); break;
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} break;
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case class_open:
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if (tryDeclaration())
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break;
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switch (kind) {
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case T_RBRACE: leave(); continue; // always nested in class_start
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} break;
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case access_specifier_start:
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switch (kind) {
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case T_COLON: leave(); break;
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} break;
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case enum_start:
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switch (kind) {
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case T_SEMICOLON: leave(); break;
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case T_LPAREN: turnInto(declaration_start); continue; // "enum Foo bar() {"
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case T_LBRACE: enter(enum_open); break;
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} break;
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case enum_open:
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switch (kind) {
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case T_RBRACE: leave(); continue; // always nested in enum_start
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case T_LBRACE: enter(brace_list_open); break;
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} break;
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case brace_list_open:
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switch (kind) {
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case T_RBRACE: leave(); break;
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case T_LBRACE: enter(brace_list_open); break;
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} break;
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case using_start:
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switch (kind) {
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case T_SEMICOLON: leave(); break;
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} break;
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case template_start:
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switch (kind) {
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case T_LESS: turnInto(template_param); break;
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} break;
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case template_param:
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switch (kind) {
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case T_LESS: enter(template_param); break;
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case T_GREATER: leave(); break;
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} break;
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case operator_declaration:
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switch (kind) {
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case T_LPAREN: break;
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default: leave(); break;
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} break;
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case declaration_start:
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switch (kind) {
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case T_RBRACE: leave(true); continue;
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case T_SEMICOLON: leave(true); break;
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case T_EQUAL: enter(assign_open_or_initializer); break;
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case T_LBRACE: enter(defun_open); break;
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case T_COLON: enter(member_init_open); enter(member_init_expected); break;
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case T_OPERATOR: enter(operator_declaration); break;
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default: tryExpression(true); break;
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} break;
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case assign_open_or_initializer:
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switch (kind) {
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case T_LBRACE: enter(brace_list_open); break;
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case T_RBRACE: leave(true); continue;
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case T_SEMICOLON: leave(); continue;
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case T_RPAREN: leave(); continue;
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case T_COMMA: leave(); continue;
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default: enter(assign_open); continue;
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} break;
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case expression:
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switch (kind) {
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case T_RBRACE: leave(true); continue;
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case T_SEMICOLON: leave(); continue;
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case T_LBRACE:
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case T_COLON:
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if (m_currentState.at(m_currentState.size() - 2).type == declaration_start) {
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// oops, the expression was a function declaration argument list, hand lbrace/colon to declaration_start
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leave();
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continue;
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}
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break;
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default: tryExpression(); break;
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} break;
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case assign_open:
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switch (kind) {
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case T_RBRACE: leave(true); continue;
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case T_SEMICOLON: leave(); continue;
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case T_RPAREN: leave(); continue;
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case T_COMMA: leave(); continue;
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default: tryExpression(); break;
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} break;
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case arglist_open:
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switch (kind) {
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case T_SEMICOLON: leave(true); break;
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case T_RBRACE: leave(true); continue;
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case T_RPAREN: leave(); break;
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default: tryExpression(); break;
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} break;
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case ternary_op:
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switch (kind) {
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case T_RPAREN:
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case T_COMMA:
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case T_SEMICOLON: leave(); continue; // always nested, propagate
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default: tryExpression(); break;
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} break;
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case stream_op:
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case stream_op_cont:
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switch (kind) {
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case T_LESS_LESS:
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case T_GREATER_GREATER:
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if (m_currentState.top().type == stream_op)
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enter(stream_op_cont);
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else // stream_op_cont already
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turnInto(stream_op_cont);
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break;
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case T_RPAREN:
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case T_COMMA:
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case T_SEMICOLON: leave(); continue; // always nested, propagate
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default: tryExpression(); break;
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} break;
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case member_init_open:
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switch (kind) {
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case T_LBRACE: turnInto(defun_open); break;
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case T_COMMA: enter(member_init_expected); break;
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case T_SEMICOLON: leave(); continue; // try to recover
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} break;
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case member_init_expected:
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switch (kind) {
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case T_IDENTIFIER: turnInto(member_init); break;
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case T_LBRACE:
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case T_SEMICOLON: leave(); continue; // try to recover
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} break;
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case member_init:
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switch (kind) {
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case T_LPAREN: enter(member_init_paren_open); break;
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case T_RPAREN: leave(); break;
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case T_LBRACE:
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case T_SEMICOLON: leave(); continue; // try to recover
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} break;
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case member_init_paren_open:
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switch (kind) {
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case T_RPAREN: leave(); continue;
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case T_SEMICOLON: leave(); continue; // try to recover
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default: tryExpression(); break;
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} break;
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case defun_open:
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if (tryStatement())
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break;
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switch (kind) {
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case T_RBRACE: leave(); leave(); break; // always nested in declaration_start
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} break;
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case switch_statement:
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case statement_with_condition:
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case if_statement:
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switch (kind) {
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case T_LPAREN: enter(condition_open); break;
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default: leave(true); continue;
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} break;
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case maybe_else:
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if (m_currentToken.isComment()) {
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break;
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} else if (kind == T_ELSE) {
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turnInto(else_clause);
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enter(substatement);
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break;
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} else {
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leave(true);
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continue;
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}
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case else_clause:
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// ### shouldn't happen
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dump();
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QTC_CHECK(false);
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leave(true);
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break;
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case do_statement:
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// ### shouldn't happen
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dump();
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QTC_CHECK(false);
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leave(true);
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break;
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case return_statement:
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switch (kind) {
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case T_RBRACE: leave(true); continue;
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case T_SEMICOLON: leave(true); break;
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} break;
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case substatement:
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// prefer substatement_open over block_open
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if (kind != T_LBRACE && tryStatement())
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break;
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switch (kind) {
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case T_LBRACE: turnInto(substatement_open); break;
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case T_SEMICOLON: leave(true); break;
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case T_RBRACE: leave(true); continue;
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} break;
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case for_statement:
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switch (kind) {
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case T_LPAREN: enter(for_statement_paren_open); break;
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default: leave(true); continue;
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} break;
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case for_statement_paren_open:
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enter(for_statement_init); continue;
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case for_statement_init:
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switch (kind) {
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case T_SEMICOLON: turnInto(for_statement_condition); break;
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case T_LPAREN: enter(condition_paren_open); break;
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case T_RPAREN: turnInto(for_statement_expression); continue;
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} break;
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case for_statement_condition:
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switch (kind) {
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case T_SEMICOLON: turnInto(for_statement_expression); break;
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case T_LPAREN: enter(condition_paren_open); break;
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case T_RPAREN: turnInto(for_statement_expression); continue;
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} break;
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case for_statement_expression:
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switch (kind) {
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case T_RPAREN: leave(); turnInto(substatement); break;
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case T_LPAREN: enter(condition_paren_open); break;
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} break;
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case case_start:
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switch (kind) {
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case T_COLON: turnInto(case_cont); break;
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} break;
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case case_cont:
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if (kind != T_CASE && kind != T_DEFAULT && tryStatement())
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break;
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switch (kind) {
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case T_RBRACE: leave(); continue;
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case T_DEFAULT:
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case T_CASE: leave(); continue;
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} break;
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case substatement_open:
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if (tryStatement())
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break;
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switch (kind) {
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case T_RBRACE: leave(true); break;
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} break;
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case condition_open:
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switch (kind) {
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case T_RPAREN: turnInto(substatement); break;
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case T_LPAREN: enter(condition_paren_open); break;
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} break;
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case block_open:
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if (tryStatement())
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break;
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switch(kind) {
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case T_RBRACE: leave(true); break;
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} break;
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// paren nesting
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case condition_paren_open:
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switch (kind) {
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case T_RPAREN: leave(); break;
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case T_LPAREN: enter(condition_paren_open); break;
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} break;
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case qt_like_macro:
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switch (kind) {
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case T_LPAREN: enter(arglist_open); break;
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case T_SEMICOLON: leave(true); break;
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default: leave(); continue;
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} break;
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case label:
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switch (kind) {
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case T_COLON: leave(); break;
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default: leave(); continue; // shouldn't happen
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} break;
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case multiline_comment_start:
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case multiline_comment_cont:
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if (kind != T_COMMENT && kind != T_DOXY_COMMENT) {
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leave();
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continue;
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} else if (m_tokenIndex == m_tokens.size() - 1
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&& lexerState == Lexer::State_Default) {
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leave();
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} else if (m_tokenIndex == 0 && m_currentToken.isComment()) {
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// to allow enter/leave to update the indentDepth
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turnInto(multiline_comment_cont);
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}
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break;
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case cpp_macro_start: {
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const int size = m_currentState.size();
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int previousMarker = -1;
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int previousPreviousMarker = -1;
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for (int i = size - 1; i >= 0; --i) {
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if (m_currentState.at(i).type == cpp_macro_conditional) {
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if (previousMarker == -1)
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previousMarker = i;
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else {
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previousPreviousMarker = i;
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break;
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}
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}
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}
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QStringRef tokenText = currentTokenText();
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if (tokenText == QLatin1String("ifdef")
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|| tokenText == QLatin1String("if")
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|| tokenText == QLatin1String("ifndef")) {
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enter(cpp_macro_conditional);
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// copy everything right of previousMarker, excluding cpp_macro_conditional
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for (int i = previousMarker + 1; i < size; ++i)
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m_currentState += m_currentState.at(i);
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}
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if (previousMarker != -1) {
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if (tokenText == QLatin1String("endif")) {
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QStack<State>::iterator begin = m_currentState.begin() + previousPreviousMarker + 1;
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QStack<State>::iterator end = m_currentState.begin() + previousMarker + 1;
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m_currentState.erase(begin, end);
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} else if (tokenText == QLatin1String("else")
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|| tokenText == QLatin1String("elif")) {
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m_currentState.resize(previousMarker + 1);
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for (int i = previousPreviousMarker + 1; i < previousMarker; ++i)
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m_currentState += m_currentState.at(i);
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}
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}
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turnInto(cpp_macro);
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break;
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}
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case cpp_macro:
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case cpp_macro_cont:
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break;
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default:
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qWarning() << "Unhandled state" << m_currentState.top().type;
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break;
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} // end of state switch
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++m_tokenIndex;
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}
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int topState = m_currentState.top().type;
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|
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if (topState != multiline_comment_start
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&& topState != multiline_comment_cont
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|
&& (lexerState == Lexer::State_MultiLineComment
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|| lexerState == Lexer::State_MultiLineDoxyComment)) {
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enter(multiline_comment_start);
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}
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|
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if (topState == qt_like_macro)
|
|
leave(true);
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|
|
if ((topState == cpp_macro_cont
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|| topState == cpp_macro) && !endedJoined)
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leave();
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|
|
if (topState == cpp_macro && endedJoined)
|
|
turnInto(cpp_macro_cont);
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|
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saveCurrentState(block);
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|
}
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|
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void CodeFormatter::indentFor(const QTextBlock &block, int *indent, int *padding)
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|
{
|
|
// qDebug() << "indenting for" << block.blockNumber() + 1;
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|
|
restoreCurrentState(block.previous());
|
|
correctIndentation(block);
|
|
*indent = m_indentDepth;
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|
*padding = m_paddingDepth;
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|
}
|
|
|
|
void CodeFormatter::indentForNewLineAfter(const QTextBlock &block, int *indent, int *padding)
|
|
{
|
|
restoreCurrentState(block);
|
|
*indent = m_indentDepth;
|
|
*padding = m_paddingDepth;
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|
|
|
int lexerState = loadLexerState(block);
|
|
m_tokens.clear();
|
|
m_currentLine.clear();
|
|
adjustIndent(m_tokens, lexerState, indent, padding);
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|
}
|
|
|
|
void CodeFormatter::updateStateUntil(const QTextBlock &endBlock)
|
|
{
|
|
QStack<State> previousState = initialState();
|
|
QTextBlock it = endBlock.document()->firstBlock();
|
|
|
|
// find the first block that needs recalculation
|
|
for (; it.isValid() && it != endBlock; it = it.next()) {
|
|
BlockData blockData;
|
|
if (!loadBlockData(it, &blockData))
|
|
break;
|
|
if (blockData.m_blockRevision != it.revision())
|
|
break;
|
|
if (previousState.isEmpty() || blockData.m_beginState.isEmpty()
|
|
|| previousState != blockData.m_beginState)
|
|
break;
|
|
if (loadLexerState(it) == -1)
|
|
break;
|
|
|
|
previousState = blockData.m_endState;
|
|
}
|
|
|
|
if (it == endBlock)
|
|
return;
|
|
|
|
// update everthing until endBlock
|
|
for (; it.isValid() && it != endBlock; it = it.next()) {
|
|
recalculateStateAfter(it);
|
|
}
|
|
|
|
// invalidate everything below by marking the state in endBlock as invalid
|
|
if (it.isValid()) {
|
|
BlockData invalidBlockData;
|
|
saveBlockData(&it, invalidBlockData);
|
|
}
|
|
}
|
|
|
|
void CodeFormatter::updateLineStateChange(const QTextBlock &block)
|
|
{
|
|
if (!block.isValid())
|
|
return;
|
|
|
|
BlockData blockData;
|
|
if (loadBlockData(block, &blockData) && blockData.m_blockRevision == block.revision())
|
|
return;
|
|
|
|
recalculateStateAfter(block);
|
|
|
|
// invalidate everything below by marking the next block's state as invalid
|
|
QTextBlock next = block.next();
|
|
if (!next.isValid())
|
|
return;
|
|
|
|
saveBlockData(&next, BlockData());
|
|
}
|
|
|
|
CodeFormatter::State CodeFormatter::state(int belowTop) const
|
|
{
|
|
if (belowTop < m_currentState.size())
|
|
return m_currentState.at(m_currentState.size() - 1 - belowTop);
|
|
else
|
|
return State();
|
|
}
|
|
|
|
const QVector<CodeFormatter::State> &CodeFormatter::newStatesThisLine() const
|
|
{
|
|
return m_newStates;
|
|
}
|
|
|
|
int CodeFormatter::tokenIndex() const
|
|
{
|
|
return m_tokenIndex;
|
|
}
|
|
|
|
int CodeFormatter::tokenCount() const
|
|
{
|
|
return m_tokens.size();
|
|
}
|
|
|
|
const CPlusPlus::Token &CodeFormatter::currentToken() const
|
|
{
|
|
return m_currentToken;
|
|
}
|
|
|
|
void CodeFormatter::invalidateCache(QTextDocument *document)
|
|
{
|
|
if (!document)
|
|
return;
|
|
|
|
BlockData invalidBlockData;
|
|
QTextBlock it = document->firstBlock();
|
|
for (; it.isValid(); it = it.next()) {
|
|
saveBlockData(&it, invalidBlockData);
|
|
}
|
|
}
|
|
|
|
void CodeFormatter::enter(int newState)
|
|
{
|
|
int savedIndentDepth = m_indentDepth;
|
|
int savedPaddingDepth = m_paddingDepth;
|
|
onEnter(newState, &m_indentDepth, &savedIndentDepth, &m_paddingDepth, &savedPaddingDepth);
|
|
State s(newState, savedIndentDepth, savedPaddingDepth);
|
|
m_currentState.push(s);
|
|
m_newStates.push(s);
|
|
}
|
|
|
|
void CodeFormatter::leave(bool statementDone)
|
|
{
|
|
QTC_ASSERT(m_currentState.size() > 1, return);
|
|
if (m_currentState.top().type == topmost_intro)
|
|
return;
|
|
|
|
if (m_newStates.size() > 0)
|
|
m_newStates.pop();
|
|
|
|
// restore indent depth
|
|
State poppedState = m_currentState.pop();
|
|
m_indentDepth = poppedState.savedIndentDepth;
|
|
m_paddingDepth = poppedState.savedPaddingDepth;
|
|
|
|
int topState = m_currentState.top().type;
|
|
|
|
// does it suffice to check if token is T_SEMICOLON or T_RBRACE?
|
|
// maybe distinction between leave and turnInto?
|
|
if (statementDone) {
|
|
if (topState == substatement
|
|
|| topState == statement_with_condition
|
|
|| topState == for_statement
|
|
|| topState == switch_statement
|
|
|| topState == do_statement) {
|
|
leave(true);
|
|
} else if (topState == if_statement) {
|
|
if (poppedState.type != maybe_else)
|
|
enter(maybe_else);
|
|
else
|
|
leave(true);
|
|
} else if (topState == else_clause) {
|
|
// leave the else *and* the surrounding if, to prevent another else
|
|
leave();
|
|
leave(true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CodeFormatter::correctIndentation(const QTextBlock &block)
|
|
{
|
|
const int lexerState = tokenizeBlock(block);
|
|
QTC_ASSERT(m_currentState.size() >= 1, return);
|
|
|
|
adjustIndent(m_tokens, lexerState, &m_indentDepth, &m_paddingDepth);
|
|
}
|
|
|
|
bool CodeFormatter::tryExpression(bool alsoExpression)
|
|
{
|
|
int newState = -1;
|
|
|
|
const int kind = m_currentToken.kind();
|
|
switch (kind) {
|
|
case T_LPAREN: newState = arglist_open; break;
|
|
case T_QUESTION: newState = ternary_op; break;
|
|
|
|
case T_EQUAL:
|
|
case T_AMPER_EQUAL:
|
|
case T_CARET_EQUAL:
|
|
case T_SLASH_EQUAL:
|
|
case T_EXCLAIM_EQUAL:
|
|
case T_GREATER_GREATER_EQUAL:
|
|
case T_LESS_LESS_EQUAL:
|
|
case T_MINUS_EQUAL:
|
|
case T_PERCENT_EQUAL:
|
|
case T_PIPE_EQUAL:
|
|
case T_PLUS_EQUAL:
|
|
case T_STAR_EQUAL:
|
|
case T_TILDE_EQUAL:
|
|
newState = assign_open;
|
|
break;
|
|
|
|
case T_LESS_LESS:
|
|
case T_GREATER_GREATER:
|
|
newState = stream_op;
|
|
for (int i = m_currentState.size() - 1; i >= 0; --i) {
|
|
const int type = m_currentState.at(i).type;
|
|
if (type == arglist_open) { // likely a left-shift instead
|
|
newState = -1;
|
|
break;
|
|
}
|
|
if (type == topmost_intro
|
|
|| type == substatement_open
|
|
|| type == defun_open
|
|
|| type == namespace_open
|
|
|| type == extern_open
|
|
|| type == class_open
|
|
|| type == brace_list_open) {
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (newState != -1) {
|
|
if (alsoExpression)
|
|
enter(expression);
|
|
enter(newState);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CodeFormatter::tryDeclaration()
|
|
{
|
|
const int kind = m_currentToken.kind();
|
|
switch (kind) {
|
|
case T_Q_ENUMS:
|
|
case T_Q_PROPERTY:
|
|
case T_Q_PRIVATE_PROPERTY:
|
|
case T_Q_FLAGS:
|
|
case T_Q_GADGET:
|
|
case T_Q_OBJECT:
|
|
case T_Q_INTERFACES:
|
|
case T_Q_DECLARE_INTERFACE:
|
|
case T_Q_PRIVATE_SLOT:
|
|
enter(qt_like_macro);
|
|
return true;
|
|
case T_IDENTIFIER:
|
|
if (m_tokenIndex == 0) {
|
|
QString tokenText = currentTokenText().toString();
|
|
if (tokenText.startsWith(QLatin1String("Q_"))
|
|
|| tokenText.startsWith(QLatin1String("QT_"))
|
|
|| tokenText.startsWith(QLatin1String("QML_"))
|
|
|| tokenText.startsWith(QLatin1String("QDOC_"))) {
|
|
enter(qt_like_macro);
|
|
return true;
|
|
}
|
|
if (m_tokens.size() > 1 && m_tokens.at(1).kind() == T_COLON) {
|
|
enter(label);
|
|
return true;
|
|
}
|
|
}
|
|
// fallthrough
|
|
case T_CHAR:
|
|
case T_WCHAR_T:
|
|
case T_BOOL:
|
|
case T_SHORT:
|
|
case T_INT:
|
|
case T_LONG:
|
|
case T_SIGNED:
|
|
case T_UNSIGNED:
|
|
case T_FLOAT:
|
|
case T_DOUBLE:
|
|
case T_VOID:
|
|
case T_AUTO:
|
|
case T___TYPEOF__:
|
|
case T___ATTRIBUTE__:
|
|
case T_STATIC:
|
|
case T_FRIEND:
|
|
case T_CONST:
|
|
case T_VOLATILE:
|
|
case T_INLINE:
|
|
enter(declaration_start);
|
|
return true;
|
|
|
|
case T_TEMPLATE:
|
|
enter(template_start);
|
|
return true;
|
|
|
|
case T_NAMESPACE:
|
|
enter(namespace_start);
|
|
return true;
|
|
|
|
case T_EXTERN:
|
|
enter(extern_start);
|
|
return true;
|
|
|
|
case T_STRUCT:
|
|
case T_UNION:
|
|
case T_CLASS:
|
|
enter(class_start);
|
|
return true;
|
|
|
|
case T_ENUM:
|
|
enter(enum_start);
|
|
return true;
|
|
|
|
case T_USING:
|
|
enter(using_start);
|
|
return true;
|
|
|
|
case T_PUBLIC:
|
|
case T_PRIVATE:
|
|
case T_PROTECTED:
|
|
case T_Q_SIGNALS:
|
|
if (m_currentState.top().type == class_open) {
|
|
enter(access_specifier_start);
|
|
return true;
|
|
}
|
|
return false;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool CodeFormatter::tryStatement()
|
|
{
|
|
const int kind = m_currentToken.kind();
|
|
if (tryDeclaration())
|
|
return true;
|
|
switch (kind) {
|
|
case T_RETURN:
|
|
enter(return_statement);
|
|
enter(expression);
|
|
return true;
|
|
case T_FOR:
|
|
enter(for_statement);
|
|
return true;
|
|
case T_SWITCH:
|
|
enter(switch_statement);
|
|
return true;
|
|
case T_IF:
|
|
enter(if_statement);
|
|
return true;
|
|
case T_WHILE:
|
|
case T_Q_FOREACH:
|
|
enter(statement_with_condition);
|
|
return true;
|
|
case T_DO:
|
|
enter(do_statement);
|
|
enter(substatement);
|
|
return true;
|
|
case T_CASE:
|
|
case T_DEFAULT:
|
|
enter(case_start);
|
|
return true;
|
|
case T_LBRACE:
|
|
enter(block_open);
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool CodeFormatter::isBracelessState(int type) const
|
|
{
|
|
return type == substatement
|
|
|| type == if_statement
|
|
|| type == else_clause
|
|
|| type == statement_with_condition
|
|
|| type == for_statement
|
|
|| type == do_statement;
|
|
}
|
|
|
|
const Token &CodeFormatter::tokenAt(int idx) const
|
|
{
|
|
static const Token empty;
|
|
if (idx < 0 || idx >= m_tokens.size())
|
|
return empty;
|
|
else
|
|
return m_tokens.at(idx);
|
|
}
|
|
|
|
int CodeFormatter::column(int index) const
|
|
{
|
|
int col = 0;
|
|
if (index > m_currentLine.length())
|
|
index = m_currentLine.length();
|
|
|
|
const QChar tab = QLatin1Char('\t');
|
|
|
|
for (int i = 0; i < index; i++) {
|
|
if (m_currentLine[i] == tab) {
|
|
col = ((col / m_tabSize) + 1) * m_tabSize;
|
|
} else {
|
|
col++;
|
|
}
|
|
}
|
|
return col;
|
|
}
|
|
|
|
QStringRef CodeFormatter::currentTokenText() const
|
|
{
|
|
return m_currentLine.midRef(m_currentToken.begin(), m_currentToken.length());
|
|
}
|
|
|
|
void CodeFormatter::turnInto(int newState)
|
|
{
|
|
leave(false);
|
|
enter(newState);
|
|
}
|
|
|
|
void CodeFormatter::saveCurrentState(const QTextBlock &block)
|
|
{
|
|
if (!block.isValid())
|
|
return;
|
|
|
|
BlockData blockData;
|
|
blockData.m_blockRevision = block.revision();
|
|
blockData.m_beginState = m_beginState;
|
|
blockData.m_endState = m_currentState;
|
|
blockData.m_indentDepth = m_indentDepth;
|
|
blockData.m_paddingDepth = m_paddingDepth;
|
|
|
|
QTextBlock saveableBlock(block);
|
|
saveBlockData(&saveableBlock, blockData);
|
|
}
|
|
|
|
void CodeFormatter::restoreCurrentState(const QTextBlock &block)
|
|
{
|
|
if (block.isValid()) {
|
|
BlockData blockData;
|
|
if (loadBlockData(block, &blockData)) {
|
|
m_indentDepth = blockData.m_indentDepth;
|
|
m_paddingDepth = blockData.m_paddingDepth;
|
|
m_currentState = blockData.m_endState;
|
|
m_beginState = m_currentState;
|
|
return;
|
|
}
|
|
}
|
|
|
|
m_currentState = initialState();
|
|
m_beginState = m_currentState;
|
|
m_indentDepth = 0;
|
|
m_paddingDepth = 0;
|
|
}
|
|
|
|
QStack<CodeFormatter::State> CodeFormatter::initialState()
|
|
{
|
|
static QStack<CodeFormatter::State> initialState;
|
|
if (initialState.isEmpty())
|
|
initialState.push(State(topmost_intro, 0, 0));
|
|
return initialState;
|
|
}
|
|
|
|
int CodeFormatter::tokenizeBlock(const QTextBlock &block, bool *endedJoined)
|
|
{
|
|
int startState = loadLexerState(block.previous());
|
|
if (block.blockNumber() == 0)
|
|
startState = 0;
|
|
QTC_ASSERT(startState != -1, return 0);
|
|
|
|
SimpleLexer tokenize;
|
|
tokenize.setQtMocRunEnabled(true);
|
|
tokenize.setObjCEnabled(true);
|
|
|
|
m_currentLine = block.text();
|
|
// to determine whether a line was joined, Tokenizer needs a
|
|
// newline character at the end
|
|
m_currentLine.append(QLatin1Char('\n'));
|
|
m_tokens = tokenize(m_currentLine, startState);
|
|
|
|
if (endedJoined)
|
|
*endedJoined = tokenize.endedJoined();
|
|
|
|
const int lexerState = tokenize.state();
|
|
BaseTextDocumentLayout::setLexerState(block, lexerState);
|
|
return lexerState;
|
|
}
|
|
|
|
void CodeFormatter::dump() const
|
|
{
|
|
QMetaEnum metaEnum = staticMetaObject.enumerator(staticMetaObject.indexOfEnumerator("StateType"));
|
|
|
|
qDebug() << "Current token index" << m_tokenIndex;
|
|
qDebug() << "Current state:";
|
|
foreach (const State &s, m_currentState) {
|
|
qDebug() << metaEnum.valueToKey(s.type) << s.savedIndentDepth << s.savedPaddingDepth;
|
|
}
|
|
qDebug() << "Current indent depth:" << m_indentDepth;
|
|
qDebug() << "Current padding depth:" << m_paddingDepth;
|
|
}
|
|
|
|
|
|
namespace CppTools {
|
|
namespace Internal {
|
|
class CppCodeFormatterData: public TextEditor::CodeFormatterData
|
|
{
|
|
public:
|
|
CodeFormatter::BlockData m_data;
|
|
};
|
|
}
|
|
}
|
|
|
|
QtStyleCodeFormatter::QtStyleCodeFormatter()
|
|
{
|
|
}
|
|
|
|
QtStyleCodeFormatter::QtStyleCodeFormatter(const TextEditor::TabSettings &tabSettings,
|
|
const CppCodeStyleSettings &settings)
|
|
: m_tabSettings(tabSettings)
|
|
, m_styleSettings(settings)
|
|
{
|
|
setTabSize(tabSettings.m_tabSize);
|
|
}
|
|
|
|
void QtStyleCodeFormatter::setTabSettings(const TextEditor::TabSettings &tabSettings)
|
|
{
|
|
m_tabSettings = tabSettings;
|
|
setTabSize(tabSettings.m_tabSize);
|
|
}
|
|
|
|
void QtStyleCodeFormatter::setCodeStyleSettings(const CppCodeStyleSettings &settings)
|
|
{
|
|
m_styleSettings = settings;
|
|
}
|
|
|
|
void QtStyleCodeFormatter::saveBlockData(QTextBlock *block, const BlockData &data) const
|
|
{
|
|
TextBlockUserData *userData = BaseTextDocumentLayout::userData(*block);
|
|
CppCodeFormatterData *cppData = static_cast<CppCodeFormatterData *>(userData->codeFormatterData());
|
|
if (!cppData) {
|
|
cppData = new CppCodeFormatterData;
|
|
userData->setCodeFormatterData(cppData);
|
|
}
|
|
cppData->m_data = data;
|
|
}
|
|
|
|
bool QtStyleCodeFormatter::loadBlockData(const QTextBlock &block, BlockData *data) const
|
|
{
|
|
TextBlockUserData *userData = BaseTextDocumentLayout::testUserData(block);
|
|
if (!userData)
|
|
return false;
|
|
CppCodeFormatterData *cppData = static_cast<CppCodeFormatterData *>(userData->codeFormatterData());
|
|
if (!cppData)
|
|
return false;
|
|
|
|
*data = cppData->m_data;
|
|
return true;
|
|
}
|
|
|
|
void QtStyleCodeFormatter::saveLexerState(QTextBlock *block, int state) const
|
|
{
|
|
BaseTextDocumentLayout::setLexerState(*block, state);
|
|
}
|
|
|
|
int QtStyleCodeFormatter::loadLexerState(const QTextBlock &block) const
|
|
{
|
|
return BaseTextDocumentLayout::lexerState(block);
|
|
}
|
|
|
|
void QtStyleCodeFormatter::addContinuationIndent(int *paddingDepth) const
|
|
{
|
|
if (*paddingDepth == 0)
|
|
*paddingDepth = 2*m_tabSettings.m_indentSize;
|
|
else
|
|
*paddingDepth += m_tabSettings.m_indentSize;
|
|
}
|
|
|
|
void QtStyleCodeFormatter::onEnter(int newState, int *indentDepth, int *savedIndentDepth, int *paddingDepth, int *savedPaddingDepth) const
|
|
{
|
|
const State &parentState = state();
|
|
const Token &tk = currentToken();
|
|
const bool firstToken = (tokenIndex() == 0);
|
|
const bool lastToken = (tokenIndex() == tokenCount() - 1);
|
|
const int tokenPosition = column(tk.begin());
|
|
const int nextTokenPosition = lastToken ? tokenPosition + tk.length()
|
|
: column(tokenAt(tokenIndex() + 1).begin());
|
|
const int spaceOrNextTokenPosition = lastToken ? tokenPosition + tk.length() + 1
|
|
: nextTokenPosition;
|
|
|
|
if (shouldClearPaddingOnEnter(newState))
|
|
*paddingDepth = 0;
|
|
|
|
switch (newState) {
|
|
case extern_start:
|
|
case namespace_start:
|
|
if (firstToken) {
|
|
*savedIndentDepth = tokenPosition;
|
|
*indentDepth = tokenPosition;
|
|
}
|
|
break;
|
|
|
|
case enum_start:
|
|
case class_start:
|
|
if (firstToken) {
|
|
*savedIndentDepth = tokenPosition;
|
|
*indentDepth = tokenPosition;
|
|
}
|
|
*paddingDepth = 2*m_tabSettings.m_indentSize;
|
|
break;
|
|
|
|
case template_param:
|
|
if (!lastToken)
|
|
*paddingDepth = nextTokenPosition-*indentDepth;
|
|
else
|
|
addContinuationIndent(paddingDepth);
|
|
break;
|
|
|
|
case statement_with_condition:
|
|
case for_statement:
|
|
case switch_statement:
|
|
case if_statement:
|
|
case return_statement:
|
|
if (firstToken)
|
|
*indentDepth = *savedIndentDepth = tokenPosition;
|
|
*paddingDepth = 2*m_tabSettings.m_indentSize;
|
|
break;
|
|
|
|
case declaration_start:
|
|
if (firstToken) {
|
|
*savedIndentDepth = tokenPosition;
|
|
*indentDepth = *savedIndentDepth;
|
|
}
|
|
// continuation indent in function bodies only, to not indent
|
|
// after the return type in "void\nfoo() {}"
|
|
for (int i = 0; state(i).type != topmost_intro; ++i) {
|
|
if (state(i).type == defun_open) {
|
|
*paddingDepth = 2*m_tabSettings.m_indentSize;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case assign_open:
|
|
if (parentState.type == assign_open_or_initializer)
|
|
break;
|
|
// fallthrough
|
|
case assign_open_or_initializer:
|
|
if (!lastToken && m_styleSettings.alignAssignments)
|
|
*paddingDepth = nextTokenPosition-*indentDepth;
|
|
else
|
|
*paddingDepth = 2*m_tabSettings.m_indentSize;
|
|
break;
|
|
|
|
case arglist_open:
|
|
case condition_paren_open:
|
|
case member_init_paren_open:
|
|
if (!lastToken)
|
|
*paddingDepth = nextTokenPosition-*indentDepth;
|
|
else
|
|
addContinuationIndent(paddingDepth);
|
|
break;
|
|
|
|
case ternary_op:
|
|
if (!lastToken)
|
|
*paddingDepth = spaceOrNextTokenPosition-*indentDepth;
|
|
else
|
|
addContinuationIndent(paddingDepth);
|
|
break;
|
|
|
|
case stream_op:
|
|
*paddingDepth = spaceOrNextTokenPosition-*indentDepth;
|
|
break;
|
|
case stream_op_cont:
|
|
if (firstToken)
|
|
*savedPaddingDepth = *paddingDepth = spaceOrNextTokenPosition-*indentDepth;
|
|
break;
|
|
|
|
case member_init_open:
|
|
// undo the continuation indent of the parent
|
|
*savedPaddingDepth = 0;
|
|
|
|
// The paddingDepth is the expected location of the ',' and
|
|
// identifiers are padded +2 from that in member_init_expected.
|
|
if (firstToken)
|
|
*paddingDepth = tokenPosition-*indentDepth;
|
|
else
|
|
*paddingDepth = m_tabSettings.m_indentSize - 2;
|
|
break;
|
|
|
|
case member_init_expected:
|
|
*paddingDepth += 2;
|
|
break;
|
|
|
|
case member_init:
|
|
// make continuation indents relative to identifier start
|
|
*paddingDepth = tokenPosition - *indentDepth;
|
|
if (firstToken) {
|
|
// see comment in member_init_open
|
|
*savedPaddingDepth = *paddingDepth - 2;
|
|
}
|
|
break;
|
|
|
|
case case_cont:
|
|
if (m_styleSettings.indentStatementsRelativeToSwitchLabels)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
break;
|
|
|
|
case namespace_open:
|
|
case class_open:
|
|
case enum_open:
|
|
case defun_open: {
|
|
// undo the continuation indent of the parent
|
|
*savedPaddingDepth = 0;
|
|
|
|
// whether the { is followed by a non-comment token
|
|
bool followedByData = (!lastToken && !tokenAt(tokenIndex() + 1).isComment());
|
|
if (followedByData)
|
|
*savedPaddingDepth = tokenPosition-*indentDepth; // pad the } to align with the {
|
|
|
|
if (newState == class_open) {
|
|
if (m_styleSettings.indentAccessSpecifiers
|
|
|| m_styleSettings.indentDeclarationsRelativeToAccessSpecifiers)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
if (m_styleSettings.indentAccessSpecifiers && m_styleSettings.indentDeclarationsRelativeToAccessSpecifiers)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
} else if (newState == defun_open) {
|
|
if (m_styleSettings.indentFunctionBody || m_styleSettings.indentFunctionBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
if (m_styleSettings.indentFunctionBody && m_styleSettings.indentFunctionBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
} else if (newState == namespace_open) {
|
|
if (m_styleSettings.indentNamespaceBody || m_styleSettings.indentNamespaceBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
if (m_styleSettings.indentNamespaceBody && m_styleSettings.indentNamespaceBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
} else {
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
}
|
|
|
|
if (followedByData) {
|
|
*paddingDepth = nextTokenPosition-*indentDepth;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case substatement_open:
|
|
// undo parent continuation indent
|
|
*savedPaddingDepth = 0;
|
|
|
|
if (parentState.type == switch_statement) {
|
|
if (m_styleSettings.indentSwitchLabels)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
} else {
|
|
if (m_styleSettings.indentBlockBody || m_styleSettings.indentBlockBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
if (m_styleSettings.indentBlockBody && m_styleSettings.indentBlockBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
}
|
|
break;
|
|
|
|
case brace_list_open:
|
|
if (!lastToken) {
|
|
if (parentState.type == assign_open_or_initializer)
|
|
*savedPaddingDepth = tokenPosition-*indentDepth;
|
|
*paddingDepth = nextTokenPosition-*indentDepth;
|
|
} else {
|
|
// avoid existing continuation indents
|
|
if (parentState.type == assign_open_or_initializer)
|
|
*savedPaddingDepth = state(1).savedPaddingDepth;
|
|
*paddingDepth = *savedPaddingDepth + m_tabSettings.m_indentSize;
|
|
}
|
|
break;
|
|
|
|
case block_open:
|
|
// case_cont already adds some indent, revert it for a block
|
|
if (parentState.type == case_cont) {
|
|
*indentDepth = parentState.savedIndentDepth;
|
|
if (m_styleSettings.indentBlocksRelativeToSwitchLabels)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
}
|
|
|
|
if (m_styleSettings.indentBlockBody)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
break;
|
|
|
|
case condition_open:
|
|
// undo the continuation indent of the parent
|
|
*paddingDepth = parentState.savedPaddingDepth;
|
|
*savedPaddingDepth = *paddingDepth;
|
|
|
|
// fixed extra indent when continuing 'if (', but not for 'else if ('
|
|
if (m_styleSettings.extraPaddingForConditionsIfConfusingAlign
|
|
&& nextTokenPosition-*indentDepth <= m_tabSettings.m_indentSize)
|
|
*paddingDepth = 2*m_tabSettings.m_indentSize;
|
|
else
|
|
*paddingDepth = nextTokenPosition-*indentDepth;
|
|
break;
|
|
|
|
case substatement:
|
|
// undo the continuation indent of the parent
|
|
*savedPaddingDepth = 0;
|
|
|
|
break;
|
|
|
|
case maybe_else: {
|
|
// set indent to outermost braceless savedIndent
|
|
int outermostBraceless = 0;
|
|
while (isBracelessState(state(outermostBraceless).type))
|
|
++outermostBraceless;
|
|
*indentDepth = state(outermostBraceless - 1).savedIndentDepth;
|
|
// this is where the else should go, if one appears - aligned to if_statement
|
|
*savedIndentDepth = state().savedIndentDepth;
|
|
} break;
|
|
|
|
case for_statement_paren_open:
|
|
*paddingDepth = nextTokenPosition - *indentDepth;
|
|
break;
|
|
|
|
case multiline_comment_start:
|
|
*indentDepth = tokenPosition + 2; // nextTokenPosition won't work
|
|
break;
|
|
|
|
case multiline_comment_cont:
|
|
*indentDepth = tokenPosition;
|
|
break;
|
|
|
|
case cpp_macro:
|
|
case cpp_macro_cont:
|
|
*indentDepth = m_tabSettings.m_indentSize;
|
|
break;
|
|
}
|
|
|
|
// ensure padding and indent are >= 0
|
|
*indentDepth = qMax(0, *indentDepth);
|
|
*savedIndentDepth = qMax(0, *savedIndentDepth);
|
|
*paddingDepth = qMax(0, *paddingDepth);
|
|
*savedPaddingDepth = qMax(0, *savedPaddingDepth);
|
|
}
|
|
|
|
void QtStyleCodeFormatter::adjustIndent(const QList<CPlusPlus::Token> &tokens, int lexerState, int *indentDepth, int *paddingDepth) const
|
|
{
|
|
State topState = state();
|
|
State previousState = state(1);
|
|
|
|
const bool topWasMaybeElse = (topState.type == maybe_else);
|
|
if (topWasMaybeElse) {
|
|
int outermostBraceless = 1;
|
|
while (state(outermostBraceless).type != invalid && isBracelessState(state(outermostBraceless).type))
|
|
++outermostBraceless;
|
|
|
|
topState = state(outermostBraceless);
|
|
previousState = state(outermostBraceless + 1);
|
|
}
|
|
|
|
|
|
// adjusting the indentDepth here instead of in enter() gives 'else if' the correct indentation
|
|
// ### could be moved?
|
|
if (topState.type == substatement)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
|
|
// keep user-adjusted indent in multiline comments
|
|
if (topState.type == multiline_comment_start
|
|
|| topState.type == multiline_comment_cont) {
|
|
if (!tokens.isEmpty()) {
|
|
*indentDepth = column(tokens.at(0).begin());
|
|
return;
|
|
}
|
|
}
|
|
|
|
const int kind = tokenAt(0).kind();
|
|
switch (kind) {
|
|
case T_POUND: *indentDepth = 0; break;
|
|
case T_COLON:
|
|
// ### ok for constructor initializer lists - what about ? and bitfields?
|
|
if (topState.type == expression && previousState.type == declaration_start) {
|
|
*paddingDepth = m_tabSettings.m_indentSize;
|
|
} else if (topState.type == ternary_op) {
|
|
if (*paddingDepth >= 2)
|
|
*paddingDepth -= 2;
|
|
else
|
|
*paddingDepth = 0;
|
|
}
|
|
break;
|
|
case T_LBRACE: {
|
|
if (topState.type == case_cont) {
|
|
*indentDepth = topState.savedIndentDepth;
|
|
if (m_styleSettings.indentBlocksRelativeToSwitchLabels)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
*paddingDepth = 0;
|
|
// function definition - argument list is expression state
|
|
// or constructor
|
|
} else if ((topState.type == expression && previousState.type == declaration_start)
|
|
|| topState.type == member_init || topState.type == member_init_open) {
|
|
// the declaration_start indent is the base
|
|
if (topState.type == member_init) {
|
|
*indentDepth = state(2).savedIndentDepth;
|
|
} else {
|
|
*indentDepth = previousState.savedIndentDepth;
|
|
}
|
|
if (m_styleSettings.indentFunctionBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
*paddingDepth = 0;
|
|
} else if (topState.type == class_start) {
|
|
*indentDepth = topState.savedIndentDepth;
|
|
if (m_styleSettings.indentClassBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
*paddingDepth = 0;
|
|
} else if (topState.type == enum_start) {
|
|
*indentDepth = topState.savedIndentDepth;
|
|
if (m_styleSettings.indentEnumBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
*paddingDepth = 0;
|
|
} else if (topState.type == namespace_start) {
|
|
*indentDepth = topState.savedIndentDepth;
|
|
if (m_styleSettings.indentNamespaceBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
*paddingDepth = 0;
|
|
} else if (topState.type == substatement) {
|
|
*indentDepth = topState.savedIndentDepth;
|
|
if (m_styleSettings.indentBlockBraces)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
*paddingDepth = 0;
|
|
} else if (topState.type != defun_open
|
|
&& topState.type != block_open
|
|
&& topState.type != substatement_open
|
|
&& topState.type != brace_list_open
|
|
&& !topWasMaybeElse) {
|
|
*indentDepth = topState.savedIndentDepth;
|
|
*paddingDepth = 0;
|
|
}
|
|
|
|
break;
|
|
}
|
|
case T_RBRACE: {
|
|
if (topState.type == block_open && previousState.type == case_cont) {
|
|
*indentDepth = previousState.savedIndentDepth;
|
|
*paddingDepth = previousState.savedPaddingDepth;
|
|
if (m_styleSettings.indentBlocksRelativeToSwitchLabels)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
break;
|
|
}
|
|
for (int i = 0; state(i).type != topmost_intro; ++i) {
|
|
const int type = state(i).type;
|
|
if (type == class_open
|
|
|| type == namespace_open
|
|
|| type == extern_open
|
|
|| type == enum_open
|
|
|| type == defun_open
|
|
|| type == substatement_open
|
|
|| type == brace_list_open
|
|
|| type == block_open) {
|
|
*indentDepth = state(i).savedIndentDepth;
|
|
*paddingDepth = state(i).savedPaddingDepth;
|
|
if ((type == defun_open && m_styleSettings.indentFunctionBraces)
|
|
|| (type == class_open && m_styleSettings.indentClassBraces)
|
|
|| (type == namespace_open && m_styleSettings.indentNamespaceBraces)
|
|
|| (type == enum_open && m_styleSettings.indentEnumBraces)
|
|
|| (type == substatement_open && m_styleSettings.indentBlockBraces))
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
// Disabled for now, see QTCREATORBUG-1825. It makes extending if conditions
|
|
// awkward: inserting a newline just before the ) shouldn't align to 'if'.
|
|
//case T_RPAREN:
|
|
// if (topState.type == condition_open) {
|
|
// *indentDepth = previousState.savedIndentDepth;
|
|
// }
|
|
// break;
|
|
case T_DEFAULT:
|
|
case T_CASE: {
|
|
for (int i = 0; state(i).type != topmost_intro; ++i) {
|
|
const int type = state(i).type;
|
|
if (type == switch_statement) {
|
|
*indentDepth = state(i).savedIndentDepth;
|
|
if (m_styleSettings.indentSwitchLabels)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
break;
|
|
} else if (type == case_cont) {
|
|
*indentDepth = state(i).savedIndentDepth;
|
|
break;
|
|
} else if (type == topmost_intro) {
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case T_PUBLIC:
|
|
case T_PRIVATE:
|
|
case T_PROTECTED:
|
|
case T_Q_SIGNALS:
|
|
if (m_styleSettings.indentDeclarationsRelativeToAccessSpecifiers
|
|
&& topState.type == class_open) {
|
|
if (tokenAt(1).is(T_COLON) || tokenAt(2).is(T_COLON)
|
|
|| (tokenAt(tokenCount() - 1).is(T_COLON) && tokenAt(1).is(T___ATTRIBUTE__))) {
|
|
*indentDepth = topState.savedIndentDepth;
|
|
if (m_styleSettings.indentAccessSpecifiers)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
}
|
|
}
|
|
break;
|
|
case T_ELSE:
|
|
if (topWasMaybeElse)
|
|
*indentDepth = state().savedIndentDepth; // topSavedIndent is actually the previous
|
|
break;
|
|
case T_LESS_LESS:
|
|
case T_GREATER_GREATER:
|
|
if (topState.type == stream_op || topState.type == stream_op_cont) {
|
|
if (*paddingDepth >= 3)
|
|
*paddingDepth -= 3; // to align << with <<
|
|
else
|
|
*paddingDepth = 0;
|
|
}
|
|
break;
|
|
case T_COMMENT:
|
|
case T_DOXY_COMMENT:
|
|
case T_CPP_COMMENT:
|
|
case T_CPP_DOXY_COMMENT:
|
|
// unindent the last line of a comment
|
|
if ((topState.type == multiline_comment_cont
|
|
|| topState.type == multiline_comment_start)
|
|
&& (kind == T_COMMENT || kind == T_DOXY_COMMENT)
|
|
&& (lexerState == Lexer::State_Default
|
|
|| tokens.size() != 1)) {
|
|
if (*indentDepth >= m_tabSettings.m_indentSize)
|
|
*indentDepth -= m_tabSettings.m_indentSize;
|
|
else
|
|
*indentDepth = 0;
|
|
}
|
|
break;
|
|
case T_IDENTIFIER:
|
|
if (topState.type == substatement
|
|
|| topState.type == substatement_open
|
|
|| topState.type == case_cont
|
|
|| topState.type == block_open
|
|
|| topState.type == defun_open) {
|
|
if (tokens.size() > 1 && tokens.at(1).kind() == T_COLON) // label?
|
|
*indentDepth = 0;
|
|
}
|
|
break;
|
|
case T_BREAK:
|
|
case T_CONTINUE:
|
|
case T_RETURN:
|
|
if (topState.type == case_cont) {
|
|
*indentDepth = topState.savedIndentDepth;
|
|
if (m_styleSettings.indentControlFlowRelativeToSwitchLabels)
|
|
*indentDepth += m_tabSettings.m_indentSize;
|
|
}
|
|
}
|
|
// ensure padding and indent are >= 0
|
|
*indentDepth = qMax(0, *indentDepth);
|
|
*paddingDepth = qMax(0, *paddingDepth);
|
|
}
|
|
|
|
bool QtStyleCodeFormatter::shouldClearPaddingOnEnter(int state)
|
|
{
|
|
switch (state) {
|
|
case defun_open:
|
|
case class_start:
|
|
case class_open:
|
|
case enum_start:
|
|
case enum_open:
|
|
case namespace_start:
|
|
case namespace_open:
|
|
case extern_start:
|
|
case extern_open:
|
|
case template_start:
|
|
case if_statement:
|
|
case else_clause:
|
|
case for_statement:
|
|
case switch_statement:
|
|
case statement_with_condition:
|
|
case do_statement:
|
|
case return_statement:
|
|
case block_open:
|
|
case substatement_open:
|
|
case substatement:
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|