Add API to configure debugger pause on exception

runtime/bin/dbg_connection.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/dbg_connection.h"
 #include "bin/dartutils.h"
 #include "bin/socket.h"
 #include "bin/thread.h"
 #include "bin/utils.h"
 
@@ skipping 607 matching lines @@
   uint64_t bp_id_value;
   Dart_Handle res = Dart_IntegerToUint64(bp_id, &bp_id_value);
   ASSERT_NOT_ERROR(res);
   dart::TextBuffer msg(64);
   msg.Printf("{ \"id\": %d, \"result\": { \"breakpointId\": %d }}",
              msg_id, bp_id_value);
   SendMsg(&msg);
 }
 
 
+void DebuggerConnectionHandler::HandlePauseOnExcCmd(const char* json_msg) {
+  int msg_id = msgbuf_->MessageId();
+  char* exc_chars = msgbuf_->GetStringParam("exceptions");
+  Dart_ExceptionPauseInfo info = kNoPauseOnExceptions;
+  if (strcmp(exc_chars, "none") == 0) {
+    info = kNoPauseOnExceptions;
+  } else if (strcmp(exc_chars, "all") == 0) {
+    info = kPauseOnAllExceptions;
+  } else if (strcmp(exc_chars, "unhandled") == 0) {
+    info = kPauseOnUnhandledExceptions;
+  } else {
+    SendError(msg_id, "illegal value for parameter 'exceptions'");
+    return;
+  }
+  Dart_Handle res = Dart_SetExceptionPauseInfo(info);
+  ASSERT_NOT_ERROR(res);
+  dart::TextBuffer msg(32);
+  msg.Printf("{ \"id\": %d }", msg_id);
+  SendMsg(&msg);
+}
+
+
 void DebuggerConnectionHandler::HandleRemBpCmd(const char* json_msg) {
   int msg_id = msgbuf_->MessageId();
   int bpt_id = msgbuf_->GetIntParam("breakpointId");
   Dart_Handle res = Dart_RemoveBreakpoint(bpt_id);
   if (Dart_IsError(res)) {
     SendError(msg_id, Dart_GetError(res));
     return;
   }
   dart::TextBuffer msg(32);
   msg.Printf("{ \"id\": %d }", msg_id);
@@ skipping 62 matching lines @@
   static JSONDebuggerCommand debugger_commands[] = {
     { "resume", HandleResumeCmd },
     { "getLibraries", HandleGetLibrariesCmd },
     { "getClassProperties", HandleGetClassPropsCmd },
     { "getLibraryProperties", HandleGetLibPropsCmd },
     { "getObjectProperties", HandleGetObjPropsCmd },
     { "getScriptURLs", HandleGetScriptURLsCmd },
     { "getScriptSource", HandleGetSourceCmd },
     { "getStackTrace", HandleGetStackTraceCmd },
     { "setBreakpoint", HandleSetBpCmd },
+    { "setPauseOnException", HandlePauseOnExcCmd },
     { "removeBreakpoint", HandleRemBpCmd },
     { "stepInto", HandleStepIntoCmd },
     { "stepOut", HandleStepOutCmd },
     { "stepOver", HandleStepOverCmd },
     { NULL, NULL }
   };
 
   for (;;) {
     SendQueuedMsgs();
     while (!msgbuf_->IsValidMessage() && msgbuf_->Alive()) {
@@ skipping 151 matching lines @@
   DebuggerConnectionImpl::StartHandler(port_number);
   Dart_SetBreakpointHandler(BreakpointHandler);
   Dart_SetBreakpointResolvedHandler(BptResolvedHandler);
   Dart_SetExceptionThrownHandler(ExceptionThrownHandler);
 }
 
 
 DebuggerConnectionHandler::~DebuggerConnectionHandler() {
   CloseDbgConnection();
 }