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+/*
+ * This file is part of the KDE libraries
+ * Copyright (C) 2000-2001 Harri Porten (porten@kde.org)
+ * Copyright (C) 2001,2003 Peter Kelly (pmk@post.com)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _KJS_DEBUGGER_H_
+#define _KJS_DEBUGGER_H_
+
+#include <qglobal.h>
+
+#define KJS_DEBUGGER
+
+#ifdef KJS_DEBUGGER
+
+#include <qwidget.h>
+#include <qmultilineedit.h>
+#include <qpixmap.h>
+#include <qptrlist.h>
+#include <qptrstack.h>
+#include <qcheckbox.h>
+#include <kdialogbase.h>
+#include <kmainwindow.h>
+#include <qscrollview.h>
+
+#include <kjs/debugger.h>
+
+#include "dom/dom_misc.h"
+
+class QListBox;
+class QComboBox;
+class KActionCollection;
+class KAction;
+
+namespace KJS {
+ class FunctionImp;
+ class List;
+ class Interpreter;
+ class KJSDebugWin;
+
+ class SourceFile : public DOM::DomShared
+ {
+ public:
+ SourceFile(QString u, QString c, Interpreter *interp)
+ : url(u), code(c), interpreter(interp) {}
+ QString getCode();
+ QString url;
+ QString code;
+ Interpreter *interpreter;
+ };
+
+ /**
+ * @internal
+ *
+ * When kjs parses some code, it generates a source code fragment (or just "source").
+ * This is referenced by its source id in future calls to functions such as atLine()
+ * and callEvent(). We keep a record of all source fragments parsed in order to display
+ * then to the user.
+ *
+ * For .js files, the source fragment will be the entire file. For js code included
+ * in html files, however, there may be multiple source fragments within the one file
+ * (e.g. multiple SCRIPT tags or onclick="..." attributes)
+ *
+ * In the case where a single file has multiple source fragments, the source objects
+ * for these fragments will all point to the same SourceFile for their code.
+ */
+ class SourceFragment
+ {
+ public:
+ SourceFragment(int sid, int bl, int el, SourceFile *sf);
+ ~SourceFragment();
+
+ int sourceId;
+ int baseLine;
+ int errorLine;
+ SourceFile *sourceFile;
+ private:
+ SourceFragment(const SourceFragment& other);
+ SourceFragment& operator = (const SourceFragment& other);
+ };
+
+ class KJSErrorDialog : public KDialogBase {
+ Q_OBJECT
+ public:
+ KJSErrorDialog(QWidget *parent, const QString& errorMessage, bool showDebug);
+ virtual ~KJSErrorDialog();
+
+ bool debugSelected() const { return m_debugSelected; }
+ bool dontShowAgain() const { return m_dontShowAgainCb->isChecked(); }
+
+ protected slots:
+ virtual void slotUser1();
+
+ private:
+ QCheckBox *m_dontShowAgainCb;
+ bool m_debugSelected;
+ };
+
+ class EvalMultiLineEdit : public QMultiLineEdit {
+ Q_OBJECT
+ public:
+ EvalMultiLineEdit(QWidget *parent);
+ const QString & code() const { return m_code; }
+ protected:
+ void keyPressEvent(QKeyEvent * e);
+ private:
+ QString m_code;
+ };
+
+ class SourceDisplay : public QScrollView {
+ Q_OBJECT
+ public:
+ SourceDisplay(KJSDebugWin *debugWin, QWidget *parent, const char *name = 0);
+ ~SourceDisplay();
+
+ void setSource(SourceFile *sourceFile);
+ void setCurrentLine(int lineno, bool doCenter = true);
+
+ signals:
+ void lineDoubleClicked(int lineno);
+
+ protected:
+ virtual void contentsMousePressEvent(QMouseEvent *e);
+ virtual void showEvent(QShowEvent *);
+ virtual void drawContents(QPainter *p, int clipx, int clipy, int clipw, int cliph);
+
+ QString m_source;
+ int m_currentLine;
+ SourceFile *m_sourceFile;
+ QStringList m_lines;
+
+ KJSDebugWin *m_debugWin;
+ QFont m_font;
+ QPixmap m_breakpointIcon;
+ };
+
+ /**
+ * @internal
+ *
+ * KJSDebugWin represents the debugger window that is visible to the user. It contains
+ * a stack frame list, a code viewer and a source fragment selector, plus buttons
+ * to control execution including next, step and continue.
+ *
+ * There is only one debug window per program. This can be obtained by calling #instance
+ */
+ class KJSDebugWin : public KMainWindow, public Debugger, public KInstance
+ {
+ Q_OBJECT
+ friend class SourceDisplay;
+ public:
+ KJSDebugWin(QWidget *parent=0, const char *name=0);
+ virtual ~KJSDebugWin();
+
+ static KJSDebugWin *createInstance();
+ static void destroyInstance();
+ static KJSDebugWin *debugWindow() { return kjs_html_debugger; }
+
+ enum Mode { Disabled = 0, // No break on any statements
+ Next = 1, // Will break on next statement in current context
+ Step = 2, // Will break on next statement in current or deeper context
+ Continue = 3, // Will continue until next breakpoint
+ Stop = 4 // The script will stop execution completely,
+ // as soon as possible
+ };
+
+ void setSourceLine(int sourceId, int lineno);
+ void setNextSourceInfo(QString url, int baseLine);
+ void sourceChanged(Interpreter *interpreter, QString url);
+ bool inSession() const { return !m_execStates.isEmpty(); }
+ void setMode(Mode m) { m_mode = m; }
+ void clearInterpreter(Interpreter *interpreter);
+ ExecState *getExecState() const { return m_execStates.top(); }
+
+ // functions overridden from KJS:Debugger
+ bool sourceParsed(ExecState *exec, int sourceId,
+ const UString &source, int errorLine);
+ bool sourceUnused(ExecState * exec, int sourceId);
+ bool exception(ExecState *exec, const Value &value, bool inTryCatch);
+ bool atStatement(ExecState *exec);
+ bool enterContext(ExecState *exec);
+ bool exitContext(ExecState *exec, const Completion &completion);
+
+ public slots:
+ void slotNext();
+ void slotStep();
+ void slotContinue();
+ void slotStop();
+ void slotBreakNext();
+ void slotToggleBreakpoint(int lineno);
+ void slotShowFrame(int frameno);
+ void slotSourceSelected(int sourceSelIndex);
+ void slotEval();
+
+ protected:
+
+ void closeEvent(QCloseEvent *e);
+ bool eventFilter(QObject *obj, QEvent *evt);
+ void disableOtherWindows();
+ void enableOtherWindows();
+
+ private:
+
+ SourceFile *getSourceFile(Interpreter *interpreter, QString url);
+ void setSourceFile(Interpreter *interpreter, QString url, SourceFile *sourceFile);
+ void removeSourceFile(Interpreter *interpreter, QString url);
+
+ void checkBreak(ExecState *exec);
+ void enterSession(ExecState *exec);
+ void leaveSession();
+ void displaySourceFile(SourceFile *sourceFile, bool forceRefresh);
+ void updateContextList();
+
+ QString contextStr(const Context &ctx);
+
+ struct Breakpoint {
+ int sourceId;
+ int lineno;
+ };
+ Breakpoint *m_breakpoints;
+ int m_breakpointCount;
+ bool setBreakpoint(int sourceId, int lineno);
+ bool deleteBreakpoint(int sourceId, int lineno);
+ bool haveBreakpoint(SourceFile *sourceFile, int line0, int line1);
+ bool haveBreakpoint(int sourceId, int line0, int line1) const {
+ for (int i = 0; i < m_breakpointCount; i++) {
+ if (m_breakpoints[i].sourceId == sourceId &&
+ m_breakpoints[i].lineno >= line0 &&
+ m_breakpoints[i].lineno <= line1)
+ return true;
+ }
+ return false;
+ }
+
+ SourceFile *m_curSourceFile;
+ Mode m_mode;
+ QString m_nextSourceUrl;
+ int m_nextSourceBaseLine;
+ QPtrStack<ExecState> m_execStates;
+ ExecState **m_execs;
+ int m_execsCount;
+ int m_execsAlloc;
+ int m_steppingDepth;
+
+ QMap<QString,SourceFile*> m_sourceFiles; /* maps url->SourceFile */
+ QMap<int,SourceFragment*> m_sourceFragments; /* maps SourceId->SourceFragment */
+ QPtrList<SourceFile> m_sourceSelFiles; /* maps combobox index->SourceFile */
+
+ KActionCollection *m_actionCollection;
+ QPixmap m_stopIcon;
+ QPixmap m_emptyIcon;
+ SourceDisplay *m_sourceDisplay;
+ QListBox *m_contextList;
+
+ KAction *m_stepAction;
+ KAction *m_nextAction;
+ KAction *m_continueAction;
+ KAction *m_stopAction;
+ KAction *m_breakAction;
+
+ QComboBox *m_sourceSel;
+ EvalMultiLineEdit *m_evalEdit;
+ int m_evalDepth;
+
+ static KJSDebugWin *kjs_html_debugger;
+ };
+
+} // namespace
+
+#endif // KJS_DEBUGGER
+
+#endif // _KJS_DEBUGGER_H_
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