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1
55
56 package org.apache.bsf.engines.javascript;
57
58 import java.rmi.RemoteException  ;
59 import org.apache.bsf.debug.util.DebugLog;
60
61 import org.apache.bsf.util.*;
62 import org.apache.bsf.debug.jsdi.*;
63 import org.mozilla.javascript.Context;
64 import org.mozilla.javascript.Script;
65 import org.mozilla.javascript.debug.DebuggableEngine;
66
67
72 public class JsEngineStub
73 extends org.apache.bsf.debug.util.Skeleton
74 implements JsEngine {
75
76 RhinoEngineDebugger m_rhinoDbg;
77 boolean m_inCallback;
78 boolean m_resumeExecution;
79 Object m_lock;
80
81
84 public JsEngineStub(RhinoEngineDebugger rhinoDbg)
85 throws RemoteException {
86 super(org.apache.bsf.debug.util.DebugConstants.JS_ENGINE_TID);
87 m_rhinoDbg = rhinoDbg;
88 m_lock = new Object ();
89 }
90
91 public boolean isSuspended() throws RemoteException {
92 return m_inCallback;
93 }
94
95 public boolean poll() { return true; }
96
97 public Object eval(String docname, String exp, int lineNo)
98 throws RemoteException {
99
100 Object retval = null;
101
102 Context.enter();
103 try {
104 retval = m_rhinoDbg.eval(docname, exp, lineNo);
105 } catch (Throwable ex) {
106 throw new RemoteException ("Failed eval", ex);
107 } finally {
108 Context.exit();
109 }
110 return retval;
111 }
112
113 public JsContext getContext(int depth) throws RemoteException {
114 try {
115 Context.enter();
116 return m_rhinoDbg.getContext(depth);
117 } finally {
118 Context.exit();
119 }
120
121 }
122
123 public int getContextCount() throws RemoteException {
124 int count;
125 try {
126 Context.enter();
127 count = m_rhinoDbg.getContextCount();
128 DebugLog.stdoutPrintln(" count = "+count,
129 DebugLog.BSF_LOG_L3);
130 return count;
131 } finally {
132 Context.exit();
133 }
134
135 }
136
137 public String getThread() throws RemoteException {
138 return m_rhinoDbg.getThread();
139 }
140
141 public String getThreadGroup() throws RemoteException {
142 return m_rhinoDbg.getThreadGroup();
143 }
144
145
149 public JsCallbacks getDebugger() throws RemoteException {
150 try {
151 Context.enter();
152 return m_rhinoDbg.getDebugger();
153 } finally {
154 Context.exit();
155 }
156 }
157
158 public JsObject getGlobalObject() throws RemoteException {
159 try {
160 Context.enter();
161 return m_rhinoDbg.getGlobalObject();
162 } finally {
163 Context.exit();
164 }
165 }
166
167 public JsObject getUndefinedValue() throws RemoteException {
168 try {
169 Context.enter();
170 return m_rhinoDbg.getUndefinedValue();
171 } finally {
172 Context.exit();
173 }
174 }
175
176 public void run() throws RemoteException {
177 try {
178 Context.enter();
179 m_rhinoDbg.run(this);
180 } catch (Exception ex) {
181 throw new RemoteException ("Internal JSDI error",ex);
182 } finally {
183 Context.exit();
184 }
185 }
186
187
192 public void setDebugger(JsCallbacks debugger) throws RemoteException {
193 try {
194 Context.enter();
195 m_rhinoDbg.setDebugger(debugger);
196 } catch (Exception ex) {
197 throw new RemoteException ("Internal JSDI error",ex);
198 } finally {
199 Context.exit();
200 }
201 }
202
203 public void stepIn() throws RemoteException {
204 try {
205 Context.enter();
206 DebugLog.stdoutPrintln("Step In command on "+this,
207 DebugLog.BSF_LOG_L3);
208 m_rhinoDbg.stepIn(this);
209 } catch (Exception ex) {
210 throw new RemoteException ("Internal JSDI error",ex);
211 } finally {
212 Context.exit();
213 }
214 }
215
216 public void stepOut() throws RemoteException {
217 try {
218 Context.enter();
219 m_rhinoDbg.stepOut(this);
220 } catch (Exception ex) {
221 throw new RemoteException ("Internal JSDI error",ex);
222 } finally {
223 Context.exit();
224 }
225 }
226
227 public void stepOver() throws RemoteException {
228 RhinoContextProxy rcp;
229 try {
230 Context.enter();
231 m_rhinoDbg.stepOver(this);
232 } catch (Exception ex) {
233 throw new RemoteException ("Internal JSDI error",ex);
234 } finally {
235 Context.exit();
236 }
237 }
238 }
239 |
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