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/*
SPDX-FileCopyrightText: 2012 Milian Wolff <mail@milianw.de>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "debugvisitor.h"
#include "parsesession.h"
#include <qmljs/parser/qmljsast_p.h>
using namespace KDevelop;
QString DebugVisitor::stringForAstKind(int kind)
{
switch (kind) {
case QmlJS::AST::Node::Kind_Undefined: return QStringLiteral("Undefined");
case QmlJS::AST::Node::Kind_ArgumentList: return QStringLiteral("ArgumentList");
case QmlJS::AST::Node::Kind_ArrayLiteral: return QStringLiteral("ArrayLiteral");
case QmlJS::AST::Node::Kind_ArrayMemberExpression: return QStringLiteral("ArrayMemberExpression");
case QmlJS::AST::Node::Kind_BinaryExpression: return QStringLiteral("BinaryExpression");
case QmlJS::AST::Node::Kind_Block: return QStringLiteral("Block");
case QmlJS::AST::Node::Kind_BreakStatement: return QStringLiteral("BreakStatement");
case QmlJS::AST::Node::Kind_CallExpression: return QStringLiteral("CallExpression");
case QmlJS::AST::Node::Kind_CaseBlock: return QStringLiteral("CaseBlock");
case QmlJS::AST::Node::Kind_CaseClause: return QStringLiteral("CaseClause");
case QmlJS::AST::Node::Kind_CaseClauses: return QStringLiteral("CaseClauses");
case QmlJS::AST::Node::Kind_Catch: return QStringLiteral("Catch");
case QmlJS::AST::Node::Kind_ConditionalExpression: return QStringLiteral("ConditionalExpression");
case QmlJS::AST::Node::Kind_ContinueStatement: return QStringLiteral("ContinueStatement");
case QmlJS::AST::Node::Kind_DebuggerStatement: return QStringLiteral("DebuggerStatement");
case QmlJS::AST::Node::Kind_DefaultClause: return QStringLiteral("DefaultClause");
case QmlJS::AST::Node::Kind_DeleteExpression: return QStringLiteral("DeleteExpression");
case QmlJS::AST::Node::Kind_DoWhileStatement: return QStringLiteral("DoWhileStatement");
case QmlJS::AST::Node::Kind_ElementList: return QStringLiteral("ElementList");
case QmlJS::AST::Node::Kind_Elision: return QStringLiteral("Elision");
case QmlJS::AST::Node::Kind_EmptyStatement: return QStringLiteral("EmptyStatement");
case QmlJS::AST::Node::Kind_Expression: return QStringLiteral("Expression");
case QmlJS::AST::Node::Kind_ExpressionStatement: return QStringLiteral("ExpressionStatement");
case QmlJS::AST::Node::Kind_FalseLiteral: return QStringLiteral("FalseLiteral");
case QmlJS::AST::Node::Kind_FieldMemberExpression: return QStringLiteral("FieldMemberExpression");
case QmlJS::AST::Node::Kind_Finally: return QStringLiteral("Finally");
case QmlJS::AST::Node::Kind_ForEachStatement: return QStringLiteral("ForEachStatement");
case QmlJS::AST::Node::Kind_ForStatement: return QStringLiteral("ForStatement");
case QmlJS::AST::Node::Kind_FormalParameterList: return QStringLiteral("FormalParameterList");
case QmlJS::AST::Node::Kind_FunctionBody: return QStringLiteral("FunctionBody");
case QmlJS::AST::Node::Kind_FunctionDeclaration: return QStringLiteral("FunctionDeclaration");
case QmlJS::AST::Node::Kind_FunctionExpression: return QStringLiteral("FunctionExpression");
case QmlJS::AST::Node::Kind_FunctionSourceElement: return QStringLiteral("FunctionSourceElement");
case QmlJS::AST::Node::Kind_IdentifierExpression: return QStringLiteral("IdentifierExpression");
case QmlJS::AST::Node::Kind_IdentifierPropertyName: return QStringLiteral("IdentifierPropertyName");
case QmlJS::AST::Node::Kind_IfStatement: return QStringLiteral("IfStatement");
case QmlJS::AST::Node::Kind_LabelledStatement: return QStringLiteral("LabelledStatement");
case QmlJS::AST::Node::Kind_LocalForEachStatement: return QStringLiteral("LocalForEachStatement");
case QmlJS::AST::Node::Kind_LocalForStatement: return QStringLiteral("LocalForStatement");
case QmlJS::AST::Node::Kind_NewExpression: return QStringLiteral("NewExpression");
case QmlJS::AST::Node::Kind_NewMemberExpression: return QStringLiteral("NewMemberExpression");
case QmlJS::AST::Node::Kind_NotExpression: return QStringLiteral("NotExpression");
case QmlJS::AST::Node::Kind_NullExpression: return QStringLiteral("NullExpression");
case QmlJS::AST::Node::Kind_NumericLiteral: return QStringLiteral("NumericLiteral");
case QmlJS::AST::Node::Kind_NumericLiteralPropertyName: return QStringLiteral("NumericLiteralPropertyName");
case QmlJS::AST::Node::Kind_ObjectLiteral: return QStringLiteral("ObjectLiteral");
case QmlJS::AST::Node::Kind_PostDecrementExpression: return QStringLiteral("PostDecrementExpression");
case QmlJS::AST::Node::Kind_PostIncrementExpression: return QStringLiteral("PostIncrementExpression");
case QmlJS::AST::Node::Kind_PreDecrementExpression: return QStringLiteral("PreDecrementExpression");
case QmlJS::AST::Node::Kind_PreIncrementExpression: return QStringLiteral("PreIncrementExpression");
case QmlJS::AST::Node::Kind_Program: return QStringLiteral("Program");
case QmlJS::AST::Node::Kind_PropertyAssignmentList: return QStringLiteral("PropertyAssignmentList");
case QmlJS::AST::Node::Kind_PropertyGetterSetter: return QStringLiteral("PropertyGetterSetter");
case QmlJS::AST::Node::Kind_PropertyName: return QStringLiteral("PropertyName");
case QmlJS::AST::Node::Kind_PropertyNameAndValue: return QStringLiteral("PropertyNameAndValue");
case QmlJS::AST::Node::Kind_RegExpLiteral: return QStringLiteral("RegExpLiteral");
case QmlJS::AST::Node::Kind_ReturnStatement: return QStringLiteral("ReturnStatement");
case QmlJS::AST::Node::Kind_SourceElement: return QStringLiteral("SourceElement");
case QmlJS::AST::Node::Kind_SourceElements: return QStringLiteral("SourceElements");
case QmlJS::AST::Node::Kind_StatementList: return QStringLiteral("StatementList");
case QmlJS::AST::Node::Kind_StatementSourceElement: return QStringLiteral("StatementSourceElement");
case QmlJS::AST::Node::Kind_StringLiteral: return QStringLiteral("StringLiteral");
case QmlJS::AST::Node::Kind_StringLiteralPropertyName: return QStringLiteral("StringLiteralPropertyName");
case QmlJS::AST::Node::Kind_SwitchStatement: return QStringLiteral("SwitchStatement");
case QmlJS::AST::Node::Kind_ThisExpression: return QStringLiteral("ThisExpression");
case QmlJS::AST::Node::Kind_ThrowStatement: return QStringLiteral("ThrowStatement");
case QmlJS::AST::Node::Kind_TildeExpression: return QStringLiteral("TildeExpression");
case QmlJS::AST::Node::Kind_TrueLiteral: return QStringLiteral("TrueLiteral");
case QmlJS::AST::Node::Kind_TryStatement: return QStringLiteral("TryStatement");
case QmlJS::AST::Node::Kind_TypeOfExpression: return QStringLiteral("TypeOfExpression");
case QmlJS::AST::Node::Kind_UnaryMinusExpression: return QStringLiteral("UnaryMinusExpression");
case QmlJS::AST::Node::Kind_UnaryPlusExpression: return QStringLiteral("UnaryPlusExpression");
case QmlJS::AST::Node::Kind_VariableDeclaration: return QStringLiteral("VariableDeclaration");
case QmlJS::AST::Node::Kind_VariableDeclarationList: return QStringLiteral("VariableDeclarationList");
case QmlJS::AST::Node::Kind_VariableStatement: return QStringLiteral("VariableStatement");
case QmlJS::AST::Node::Kind_VoidExpression: return QStringLiteral("VoidExpression");
case QmlJS::AST::Node::Kind_WhileStatement: return QStringLiteral("WhileStatement");
case QmlJS::AST::Node::Kind_WithStatement: return QStringLiteral("WithStatement");
case QmlJS::AST::Node::Kind_NestedExpression: return QStringLiteral("NestedExpression");
case QmlJS::AST::Node::Kind_UiArrayBinding: return QStringLiteral("UiArrayBinding");
case QmlJS::AST::Node::Kind_UiImport: return QStringLiteral("UiImport");
case QmlJS::AST::Node::Kind_UiObjectBinding: return QStringLiteral("UiObjectBinding");
case QmlJS::AST::Node::Kind_UiObjectDefinition: return QStringLiteral("UiObjectDefinition");
case QmlJS::AST::Node::Kind_UiObjectInitializer: return QStringLiteral("UiObjectInitializer");
case QmlJS::AST::Node::Kind_UiObjectMemberList: return QStringLiteral("UiObjectMemberList");
case QmlJS::AST::Node::Kind_UiArrayMemberList: return QStringLiteral("UiArrayMemberList");
case QmlJS::AST::Node::Kind_UiPragma: return QStringLiteral("UiPragma");
case QmlJS::AST::Node::Kind_UiProgram: return QStringLiteral("UiProgram");
case QmlJS::AST::Node::Kind_UiParameterList: return QStringLiteral("UiParameterList");
case QmlJS::AST::Node::Kind_UiPublicMember: return QStringLiteral("UiPublicMember");
case QmlJS::AST::Node::Kind_UiQualifiedId: return QStringLiteral("UiQualifiedId");
case QmlJS::AST::Node::Kind_UiQualifiedPragmaId: return QStringLiteral("UiQualifiedPragmaId");
case QmlJS::AST::Node::Kind_UiScriptBinding: return QStringLiteral("UiScriptBinding");
case QmlJS::AST::Node::Kind_UiSourceElement: return QStringLiteral("UiSourceElement");
case QmlJS::AST::Node::Kind_UiHeaderItemList: return QStringLiteral("UiHeaderItemList");
}
return QStringLiteral("<unknown node kind>");
}
DebugVisitor::DebugVisitor(const ParseSession* session)
: m_session(session)
, m_depth(0)
{
}
void DebugVisitor::startVisiting(QmlJS::AST::Node* node)
{
QmlJS::AST::Node::accept(node, this);
}
bool DebugVisitor::preVisit(QmlJS::AST::Node* node)
{
printNode(node, Start);
++m_depth;
return true;
}
void DebugVisitor::postVisit(QmlJS::AST::Node* node)
{
Q_ASSERT(m_depth);
--m_depth;
printNode(node, End);
}
QString DebugVisitor::indent() const
{
return QString().fill(QLatin1Char(' '), m_depth * 2);
}
void DebugVisitor::printNode(QmlJS::AST::Node* node, Position position)
{
const QmlJS::AST::SourceLocation start = node->firstSourceLocation();
const QmlJS::AST::SourceLocation end = node->lastSourceLocation();
const QmlJS::AST::SourceLocation location = position == Start ? start : end;
static QTextStream qout(stdout);
qout << indent() << stringForAstKind(node->kind) << " [(" << start.startLine << ", " << start.startColumn << "), "
<< "(" << end.startLine << ", " << (end.startColumn + end.length) << ")]"
<< " \"" << m_session->symbolAt(location) << "\"" << Qt::endl;
}
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