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Unified Diff: src/debug-debugger.js

Issue 5980006: Misc debugger enhancements and bug fixes.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 12 months ago
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Index: src/debug-debugger.js
===================================================================
--- src/debug-debugger.js (revision 6165)
+++ src/debug-debugger.js (working copy)
@@ -654,13 +654,19 @@
Debug.enableBreakPoint = function(break_point_number) {
var break_point = this.findBreakPoint(break_point_number, false);
- break_point.enable();
+ // Only enable if the breakpoint hasn't been deleted:
+ if (break_point) {
+ break_point.enable();
+ }
};
Debug.disableBreakPoint = function(break_point_number) {
var break_point = this.findBreakPoint(break_point_number, false);
- break_point.disable();
+ // Only enable if the breakpoint hasn't been deleted:
+ if (break_point) {
+ break_point.disable();
+ }
};
@@ -701,6 +707,17 @@
};
+Debug.disableAllBreakPoints = function() {
+ // Disable all user defined breakpoints:
+ for (var i = 1; i < next_break_point_number; i++) {
+ Debug.disableBreakPoint(i);
+ }
+ // Disable all exception breakpoints:
+ %ChangeBreakOnException(Debug.ExceptionBreak.Caught, false);
+ %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, false);
+};
+
+
Debug.findScriptBreakPoint = function(break_point_number, remove) {
var script_break_point;
for (var i = 0; i < script_break_points.length; i++) {
@@ -1341,6 +1358,10 @@
this.clearBreakPointRequest_(request, response);
} else if (request.command == 'clearbreakpointgroup') {
this.clearBreakPointGroupRequest_(request, response);
+ } else if (request.command == 'disconnect') {
+ this.disconnectRequest_(request, response);
+ } else if (request.command == 'setexceptionbreak') {
+ this.setExceptionBreakRequest_(request, response);
} else if (request.command == 'listbreakpoints') {
this.listBreakpointsRequest_(request, response);
} else if (request.command == 'backtrace') {
@@ -1373,6 +1394,13 @@
this.changeLiveRequest_(request, response);
} else if (request.command == 'flags') {
this.debuggerFlagsRequest_(request, response);
+ } else if (request.command == 'v8flags') {
+ this.v8FlagsRequest_(request, response);
+
+ // GC tools:
+ } else if (request.command == 'gc') {
+ this.gcRequest_(request, response);
+
} else {
throw new Error('Unknown command "' + request.command + '" in request');
}
@@ -1690,10 +1718,66 @@
array.push(description);
}
- response.body = { breakpoints: array }
+ response.body = {
+ breakpoints: array,
+ breakOnExceptions: Debug.isBreakOnException(),
+ breakOnUncaughtExceptions: Debug.isBreakOnUncaughtException()
+ }
}
+DebugCommandProcessor.prototype.disconnectRequest_ =
+ function(request, response) {
+ Debug.disableAllBreakPoints();
+ this.continueRequest_(request, response);
+}
+
+
+DebugCommandProcessor.prototype.setExceptionBreakRequest_ =
+ function(request, response) {
+ // Check for legal request.
+ if (!request.arguments) {
+ response.failed('Missing arguments');
+ return;
+ }
+
+ // Pull out and check the 'type' argument:
+ var type = request.arguments.type;
+ if (!type) {
+ response.failed('Missing argument "type"');
+ return;
+ }
+
+ // Initialize the default value of enable:
+ var enabled;
+ if (type == 'all') {
+ enabled = !Debug.isBreakOnException();
+ } else if (type == 'uncaught') {
+ enabled = !Debug.isBreakOnUncaughtException();
+ }
+
+ // Pull out and check the 'enabled' argument if present:
+ if (!IS_UNDEFINED(request.arguments.enabled)) {
+ enabled = request.arguments.enabled;
+ if ((enabled != true) && (enabled != false)) {
+ response.failed('Illegal value for "enabled":"' + enabled + '"');
+ }
+ }
+
+ // Now set the exception break state:
+ if (type == 'all') {
+ %ChangeBreakOnException(Debug.ExceptionBreak.Caught, enabled);
+ } else if (type == 'uncaught') {
+ %ChangeBreakOnException(Debug.ExceptionBreak.Uncaught, enabled);
+ } else {
+ response.failed('Unknown "type":"' + type + '"');
+ }
+
+ // Add the cleared break point number to the response.
+ response.body = { 'type': type, 'enabled': enabled };
+}
+
+
DebugCommandProcessor.prototype.backtraceRequest_ = function(request, response) {
// Get the number of frames.
var total_frames = this.exec_state_.frameCount();
@@ -2047,6 +2131,16 @@
idsToInclude[ids[i]] = true;
}
}
+
+ var filterStr = null;
+ var filterNum = null;
+ if (!IS_UNDEFINED(request.arguments.filter)) {
+ var num = %ToNumber(request.arguments.filter);
+ if (!isNaN(num)) {
+ filterNum = num;
+ }
+ filterStr = request.arguments.filter;
+ }
}
// Collect all scripts in the heap.
@@ -2058,6 +2152,21 @@
if (idsToInclude && !idsToInclude[scripts[i].id]) {
continue;
}
+ if (filterStr || filterNum) {
+ var script = scripts[i];
+ var found = false;
+ if (filterNum && !found) {
+ if (script.id && script.id === filterNum) {
+ found = true;
+ }
+ }
+ if (filterStr && !found) {
+ if (script.name && script.name.indexOf(filterStr) >= 0) {
+ found = true;
+ }
+ }
+ if (!found) continue;
+ }
if (types & ScriptTypeFlag(scripts[i].type)) {
response.body.push(MakeMirror(scripts[i]));
}
@@ -2196,6 +2305,27 @@
}
+DebugCommandProcessor.prototype.v8FlagsRequest_ = function(request, response) {
+ var flags = request.arguments.flags;
+ if (!flags) flags = '';
+ %SetFlags(flags);
+};
+
+
+DebugCommandProcessor.prototype.gcRequest_ = function(request, response) {
+ var type = request.arguments.type;
+ if (!type) type = 'all';
+
+ var before = %GetHeapUsage();
+ %CollectGarbage(type);
+ var after = %GetHeapUsage();
+
+ response.body = { "before": before, "after": after };
+};
+
+
+
+
// Check whether the previously processed command caused the VM to become
// running.
DebugCommandProcessor.prototype.isRunning = function() {
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