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first step to bring debugging code to j2me

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This commit is contained in:
Shu Lei
2007-10-12 01:36:28 +00:00
parent 6970b30c7a
commit 341a5588b0
35 changed files with 1294 additions and 220 deletions
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44
src/main/java/lua/debug/DebugStackState.java
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@@ -21,12 +21,8 @@
******************************************************************************/
package lua.debug;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Hashtable;
import java.util.Vector;
import lua.CallInfo;
import lua.Lua;
@@ -41,12 +37,12 @@ public class DebugStackState extends StackState implements DebugRequestListener
private static final boolean DEBUG = false;
protected Map breakpoints = new HashMap();
protected Hashtable breakpoints = new Hashtable();
protected boolean exiting = false;
protected boolean suspended = false;
protected boolean stepping = false;
protected int lastline = -1;
protected List debugEventListeners = new ArrayList();
protected Vector debugEventListeners = new Vector();
public DebugStackState() {
}
@@ -130,25 +126,26 @@ public class DebugStackState extends StackState implements DebugRequestListener
// anytime the line doesn't change we keep going
int line = getLineNumber(calls[cc]);
if(DebugUtils.IS_DEBUG)
DebugUtils.println("debugHook - executing line: " + line);
if ( !stepping && lastline == line ) {
return;
}
if(DebugUtils.IS_DEBUG)
DebugUtils.println("debugHook - executing line: " + line);
// save line in case next op is a step
lastline = line;
if ( stepping ) {
DebugUtils.println("suspended by stepping at pc=" + pc);
notifyDebugEventListeners(new DebugEventStepping());
//TODO: notifyDebugEventListeners(new DebugEventStepping());
suspended = true;
} else if ( !suspended ) {
// check for a break point if we aren't suspended already
Proto p = calls[cc].closure.p;
String source = DebugUtils.getSourceFileName(p.source);
if ( breakpoints.containsKey(constructBreakpointKey(source, line))){
DebugUtils.println("hitting breakpoint " + constructBreakpointKey(source, line));
if(DebugUtils.IS_DEBUG)
DebugUtils.println("hitting breakpoint " + constructBreakpointKey(source, line));
notifyDebugEventListeners(
new DebugEventBreakpoint(source, line));
suspended = true;
@@ -161,7 +158,8 @@ public class DebugStackState extends StackState implements DebugRequestListener
while (suspended && !exiting ) {
try {
this.wait();
DebugUtils.println("resuming execution...");
if(DebugUtils.IS_DEBUG)
DebugUtils.println("resuming execution...");
} catch ( InterruptedException ie ) {
ie.printStackTrace();
}
@@ -271,7 +269,8 @@ public class DebugStackState extends StackState implements DebugRequestListener
* clear breakpoint at line lineNumber of source source
*/
public void clearBreakpoint(String source, int lineNumber) {
DebugUtils.println("removing breakpoint " + constructBreakpointKey(source, lineNumber));
if(DebugUtils.IS_DEBUG)
DebugUtils.println("removing breakpoint " + constructBreakpointKey(source, lineNumber));
synchronized ( this ) {
breakpoints.remove(constructBreakpointKey(source, lineNumber));
}
@@ -302,24 +301,27 @@ public class DebugStackState extends StackState implements DebugRequestListener
}
CallInfo callInfo = calls[index];
DebugUtils.println("Stack Frame: " + index + "[" + callInfo.base + "," + callInfo.top + "]");
if(DebugUtils.IS_DEBUG)
DebugUtils.println("Stack Frame: " + index + "[" + callInfo.base + "," + callInfo.top + "]");
int top = callInfo.top < callInfo.base ? callInfo.base : callInfo.top;
Proto prototype = callInfo.closure.p;
LocVars[] localVariables = prototype.locvars;
List variables = new ArrayList();
Vector variables = new Vector();
int localVariableCount = 0;
Set variablesSeen = new HashSet();
Hashtable variablesSeen = new Hashtable();
for (int i = 0; localVariables != null && i < localVariables.length && i <= top; i++) {
String varName = localVariables[i].varname.toString();
DebugUtils.print("\tVariable: " + varName);
DebugUtils.print("\tValue: " + stack[callInfo.base + i]);
if(DebugUtils.IS_DEBUG) {
DebugUtils.print("\tVariable: " + varName);
DebugUtils.print("\tValue: " + stack[callInfo.base + i]);
}
if (!variablesSeen.contains(varName) &&
!LexState.isReservedKeyword(varName)) {
variablesSeen.add(varName);
variablesSeen.put(varName, varName);
LValue value = stack[callInfo.base + i];
if (value != null) {
int type = value.luaGetType();
DebugUtils.print("\tType: " + type);
DebugUtils.print("\tType: " + Lua.TYPE_NAMES[type]);
if (type == Lua.LUA_TTABLE) {
DebugUtils.println(" (selected)");
variables.add(