Changeset 561 for trunk/src/scripttools/debugging/qscriptdebuggercommandexecutor.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/scripttools/debugging/qscriptdebuggercommandexecutor.cpp (modified) (7 diffs)

trunk/src/scripttools/debugging/qscriptdebuggercommandexecutor.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtSCriptTools module of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -99 +99 @@
 QScriptDebuggerCommandExecutor::~QScriptDebuggerCommandExecutor()
 {
-    delete d_ptr;
+}
+
+static bool isPrefixOf(const QString &prefix, const QString &what)
+{
+    return ((what.length() > prefix.length())
+            && what.startsWith(prefix));
 }
 
@@ -106 +111 @@
 */
 QScriptDebuggerResponse QScriptDebuggerCommandExecutor::execute(
-        QScriptDebuggerBackend *backend,
-        const QScriptDebuggerCommand &command)
+    QScriptDebuggerBackend *backend,
+    const QScriptDebuggerCommand &command)
 {
     QScriptDebuggerResponse response;
@@ -288 +293 @@
         if (ctx) {
             QScriptDebuggerValueList dest;
-#if QT_VERSION >= 0x040500
             QScriptValueList src = ctx->scopeChain();
             for (int i = 0; i < src.size(); ++i)
                 dest.append(src.at(i));
-#else
-            dest.append(ctx->activationObject());
-#endif
             response.setResult(dest);
         } else {
@@ -303 +304 @@
     case QScriptDebuggerCommand::ContextsCheckpoint: {
         response.setResult(qVariantFromValue(backend->contextsCheckpoint()));
+    }   break;
+
+    case QScriptDebuggerCommand::GetPropertyExpressionValue: {
+        QScriptContext *ctx = backend->context(command.contextIndex());
+        int lineNumber = command.lineNumber();
+        QVariant attr = command.attribute(QScriptDebuggerCommand::UserAttribute);
+        QStringList path = attr.toStringList();
+        if (!ctx || path.isEmpty())
+            break;
+        QScriptContextInfo ctxInfo(ctx);
+        if (ctx->callee().isValid()
+            && ((lineNumber < ctxInfo.functionStartLineNumber())
+                || (lineNumber > ctxInfo.functionEndLineNumber()))) {
+            break;
+        }
+        QScriptValueList objects;
+        int pathIndex = 0;
+        if (path.at(0) == QLatin1String("this")) {
+            objects.append(ctx->thisObject());
+            ++pathIndex;
+        } else {
+            objects << ctx->scopeChain();
+        }
+        for (int i = 0; i < objects.size(); ++i) {
+            QScriptValue val = objects.at(i);
+            for (int j = pathIndex; val.isValid() && (j < path.size()); ++j) {
+                val = val.property(path.at(j));
+            }
+            if (val.isValid()) {
+                bool hadException = (ctx->state() == QScriptContext::ExceptionState);
+                QString str = val.toString();
+                if (!hadException && backend->engine()->hasUncaughtException())
+                    backend->engine()->clearExceptions();
+                response.setResult(str);
+                break;
+            }
+        }
+    }   break;
+
+    case QScriptDebuggerCommand::GetCompletions: {
+        QScriptContext *ctx = backend->context(command.contextIndex());
+        QVariant attr = command.attribute(QScriptDebuggerCommand::UserAttribute);
+        QStringList path = attr.toStringList();
+        if (!ctx || path.isEmpty())
+            break;
+        QScriptValueList objects;
+        QString prefix = path.last();
+        QSet<QString> matches;
+        if (path.size() > 1) {
+            const QString &topLevelIdent = path.at(0);
+            QScriptValue obj;
+            if (topLevelIdent == QLatin1String("this")) {
+                obj = ctx->thisObject();
+            } else {
+                QScriptValueList scopeChain;
+                scopeChain = ctx->scopeChain();
+                for (int i = 0; i < scopeChain.size(); ++i) {
+                    QScriptValue oo = scopeChain.at(i).property(topLevelIdent);
+                    if (oo.isObject()) {
+                        obj = oo;
+                        break;
+                    }
+                }
+            }
+            for (int i = 1; obj.isObject() && (i < path.size()-1); ++i)
+                obj = obj.property(path.at(i));
+            if (obj.isValid())
+                objects.append(obj);
+        } else {
+            objects << ctx->scopeChain();
+            QStringList keywords;
+            keywords.append(QString::fromLatin1("this"));
+            keywords.append(QString::fromLatin1("true"));
+            keywords.append(QString::fromLatin1("false"));
+            keywords.append(QString::fromLatin1("null"));
+            for (int i = 0; i < keywords.size(); ++i) {
+                const QString &kwd = keywords.at(i);
+                if (isPrefixOf(prefix, kwd))
+                    matches.insert(kwd);
+            }
+        }
+
+        for (int i = 0; i < objects.size(); ++i) {
+            QScriptValue obj = objects.at(i);
+            while (obj.isObject()) {
+                QScriptValueIterator it(obj);
+                while (it.hasNext()) {
+                    it.next();
+                    QString propertyName = it.name();
+                    if (isPrefixOf(prefix, propertyName))
+                        matches.insert(propertyName);
+                }
+                obj = obj.prototype();
+            }
+        }
+        QStringList matchesList = matches.toList();
+        qStableSort(matchesList);
+        response.setResult(matchesList);
     }   break;