hausner@google.com
f82de66060
Third and final part of expression evaluation in the context of an (object|class|library). R=iposva@google.com Review URL: https://codereview.chromium.org//23514020 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@26898 260f80e4-7a28-3924-810f-c04153c831b5
1310 lines
39 KiB
C++
1310 lines
39 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "bin/dbg_connection.h"
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#include "bin/dbg_message.h"
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#include "bin/dartutils.h"
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#include "bin/thread.h"
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#include "bin/utils.h"
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#include "platform/globals.h"
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#include "platform/json.h"
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#include "platform/thread.h"
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#include "platform/utils.h"
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#include "include/dart_api.h"
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namespace dart {
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namespace bin {
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bool MessageParser::IsValidMessage() const {
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if (buf_length_ == 0) {
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return false;
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}
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dart::JSONReader msg_reader(buf_);
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return msg_reader.EndOfObject() != NULL;
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}
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int MessageParser::MessageId() const {
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dart::JSONReader r(buf_);
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r.Seek("id");
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if (r.Type() == dart::JSONReader::kInteger) {
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return atoi(r.ValueChars());
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} else {
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return -1;
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}
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}
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const char* MessageParser::Params() const {
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dart::JSONReader r(buf_);
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r.Seek("params");
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if (r.Type() == dart::JSONReader::kObject) {
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return r.ValueChars();
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} else {
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return NULL;
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}
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}
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bool MessageParser::HasParam(const char* name) const {
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const char* params = Params();
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ASSERT(params != NULL);
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dart::JSONReader r(params);
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return r.Seek(name);
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}
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intptr_t MessageParser::GetIntParam(const char* name) const {
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const char* params = Params();
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ASSERT(params != NULL);
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dart::JSONReader r(params);
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r.Seek(name);
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ASSERT(r.Type() == dart::JSONReader::kInteger);
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return strtol(r.ValueChars(), NULL, 10);
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}
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intptr_t MessageParser::GetOptIntParam(const char* name,
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intptr_t default_val) const {
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const char* params = Params();
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ASSERT(params != NULL);
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dart::JSONReader r(params);
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r.Seek(name);
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if (r.Type() == dart::JSONReader::kInteger) {
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return strtol(r.ValueChars(), NULL, 10);
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} else {
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return default_val;
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}
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}
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static const char* GetStringChars(Dart_Handle str) {
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ASSERT(Dart_IsString(str));
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const char* chars;
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Dart_Handle res = Dart_StringToCString(str, &chars);
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ASSERT(!Dart_IsError(res));
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return chars;
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}
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static int GetIntValue(Dart_Handle int_handle) {
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int64_t int64_val = -1;
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ASSERT(Dart_IsInteger(int_handle));
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Dart_Handle res = Dart_IntegerToInt64(int_handle, &int64_val);
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ASSERT_NOT_ERROR(res);
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// TODO(hausner): Range check.
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return int64_val;
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}
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char* MessageParser::GetStringParam(const char* name) const {
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const char* params = Params();
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ASSERT(params != NULL);
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dart::JSONReader pr(params);
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pr.Seek(name);
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if (pr.Type() != dart::JSONReader::kString) {
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return NULL;
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}
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intptr_t buflen = pr.ValueLen() + 1;
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char* param_chars = reinterpret_cast<char*>(malloc(buflen));
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pr.GetDecodedValueChars(param_chars, buflen);
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return param_chars;
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}
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static void FormatEncodedCharsTrunc(dart::TextBuffer* buf,
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Dart_Handle str,
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intptr_t max_chars) {
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intptr_t str_len = 0;
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Dart_Handle res = Dart_StringLength(str, &str_len);
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ASSERT_NOT_ERROR(res);
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intptr_t num_chars = (str_len > max_chars) ? max_chars : str_len;
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uint16_t* codepoints =
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reinterpret_cast<uint16_t*>(malloc(num_chars * sizeof(uint16_t)));
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ASSERT(codepoints != NULL);
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intptr_t actual_len = num_chars;
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res = Dart_StringToUTF16(str, codepoints, &actual_len);
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ASSERT_NOT_ERROR(res);
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ASSERT(num_chars == actual_len);
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for (int i = 0; i < num_chars; i++) {
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buf->AddEscapedChar(codepoints[i]);
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}
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if (str_len > max_chars) {
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buf->Printf("...");
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}
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free(codepoints);
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}
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static void FormatEncodedChars(dart::TextBuffer* buf, Dart_Handle str) {
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intptr_t str_len = 0;
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Dart_Handle res = Dart_StringLength(str, &str_len);
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ASSERT_NOT_ERROR(res);
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uint16_t* codepoints =
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reinterpret_cast<uint16_t*>(malloc(str_len * sizeof(uint16_t)));
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ASSERT(codepoints != NULL);
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intptr_t actual_len = str_len;
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res = Dart_StringToUTF16(str, codepoints, &actual_len);
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ASSERT_NOT_ERROR(res);
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ASSERT(str_len == actual_len);
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for (int i = 0; i < str_len; i++) {
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buf->AddEscapedChar(codepoints[i]);
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}
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free(codepoints);
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}
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static void FormatEncodedString(dart::TextBuffer* buf, Dart_Handle str) {
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buf->AddChar('\"');
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FormatEncodedChars(buf, str);
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buf->AddChar('\"');
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}
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static void FormatTextualValue(dart::TextBuffer* buf,
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Dart_Handle object,
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intptr_t max_chars);
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static void FormatTextualListValue(dart::TextBuffer* buf,
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Dart_Handle list,
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intptr_t max_chars) {
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intptr_t len = 0;
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Dart_Handle res = Dart_ListLength(list, &len);
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ASSERT_NOT_ERROR(res);
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const intptr_t initial_buffer_length = buf->length();
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// Maximum number of characters we print for array elements.
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const intptr_t max_buffer_length = initial_buffer_length + max_chars;
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buf->Printf("[");
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for (int i = 0; i < len; i++) {
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if (i > 0) {
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buf->Printf(", ");
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}
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Dart_Handle elem = Dart_ListGetAt(list, i);
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const intptr_t max_element_chars = 50;
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FormatTextualValue(buf, elem, max_element_chars);
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if (buf->length() > max_buffer_length) {
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buf->Printf(", ...");
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break;
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}
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}
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buf->Printf("]");
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}
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static void FormatTextualValue(dart::TextBuffer* buf,
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Dart_Handle object,
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intptr_t max_chars) {
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if (Dart_IsList(object)) {
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FormatTextualListValue(buf, object, max_chars);
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} else if (Dart_IsNull(object)) {
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buf->Printf("null");
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} else if (Dart_IsString(object)) {
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buf->Printf("\\\"");
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FormatEncodedCharsTrunc(buf, object, max_chars);
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buf->Printf("\\\"");
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} else {
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Dart_Handle text = Dart_ToString(object);
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if (Dart_IsNull(text)) {
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buf->Printf("null");
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} else if (Dart_IsError(text)) {
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buf->Printf("#ERROR");
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} else {
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FormatEncodedCharsTrunc(buf, text, max_chars);
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}
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}
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}
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static void FormatValue(dart::TextBuffer* buf, Dart_Handle object) {
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if (Dart_IsNumber(object)) {
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buf->Printf("\"kind\":\"number\",");
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} else if (Dart_IsString(object)) {
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buf->Printf("\"kind\":\"string\",");
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} else if (Dart_IsBoolean(object)) {
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buf->Printf("\"kind\":\"boolean\",");
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} else if (Dart_IsList(object)) {
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intptr_t len = 0;
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Dart_Handle res = Dart_ListLength(object, &len);
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ASSERT_NOT_ERROR(res);
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buf->Printf("\"kind\":\"list\",\"length\":%" Pd ",", len);
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} else {
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buf->Printf("\"kind\":\"object\",");
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intptr_t class_id = 0;
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Dart_Handle res = Dart_GetObjClassId(object, &class_id);
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if (!Dart_IsError(res)) {
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buf->Printf("\"classId\":%" Pd ",", class_id);
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}
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}
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buf->Printf("\"text\":\"");
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const intptr_t max_chars = 250;
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FormatTextualValue(buf, object, max_chars);
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buf->Printf("\"");
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}
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static void FormatValueObj(dart::TextBuffer* buf, Dart_Handle object) {
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buf->Printf("{");
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FormatValue(buf, object);
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buf->Printf("}");
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}
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static void FormatRemoteObj(dart::TextBuffer* buf, Dart_Handle object) {
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intptr_t obj_id = Dart_CacheObject(object);
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ASSERT(obj_id >= 0);
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buf->Printf("{\"objectId\":%" Pd ",", obj_id);
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FormatValue(buf, object);
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buf->Printf("}");
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}
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static void FormatNamedValue(dart::TextBuffer* buf,
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Dart_Handle object_name,
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Dart_Handle object) {
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ASSERT(Dart_IsString(object_name));
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buf->Printf("{\"name\":\"%s\",", GetStringChars(object_name));
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buf->Printf("\"value\":");
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FormatRemoteObj(buf, object);
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buf->Printf("}");
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}
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static void FormatNamedValueList(dart::TextBuffer* buf,
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Dart_Handle obj_list) {
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ASSERT(Dart_IsList(obj_list));
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intptr_t list_length = 0;
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Dart_Handle res = Dart_ListLength(obj_list, &list_length);
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ASSERT_NOT_ERROR(res);
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ASSERT(list_length % 2 == 0);
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buf->Printf("[");
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for (int i = 0; i + 1 < list_length; i += 2) {
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Dart_Handle name_handle = Dart_ListGetAt(obj_list, i);
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ASSERT_NOT_ERROR(name_handle);
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Dart_Handle value_handle = Dart_ListGetAt(obj_list, i + 1);
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ASSERT_NOT_ERROR(value_handle);
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if (i > 0) {
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buf->Printf(",");
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}
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FormatNamedValue(buf, name_handle, value_handle);
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}
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buf->Printf("]");
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}
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static const char* FormatClassProps(dart::TextBuffer* buf,
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intptr_t cls_id) {
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Dart_Handle name, static_fields;
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intptr_t super_id = -1;
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intptr_t library_id = -1;
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Dart_Handle res =
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Dart_GetClassInfo(cls_id, &name, &library_id, &super_id, &static_fields);
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RETURN_IF_ERROR(res);
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RETURN_IF_ERROR(name);
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buf->Printf("{\"name\":\"%s\",", GetStringChars(name));
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if (super_id > 0) {
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buf->Printf("\"superclassId\":%" Pd ",", super_id);
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}
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buf->Printf("\"libraryId\":%" Pd ",", library_id);
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RETURN_IF_ERROR(static_fields);
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buf->Printf("\"fields\":");
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FormatNamedValueList(buf, static_fields);
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buf->Printf("}");
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return NULL;
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}
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static const char* FormatLibraryProps(dart::TextBuffer* buf,
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intptr_t lib_id) {
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Dart_Handle url = Dart_GetLibraryURL(lib_id);
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RETURN_IF_ERROR(url);
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buf->Printf("{\"url\":");
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FormatEncodedString(buf, url);
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// Whether debugging is enabled.
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bool is_debuggable = false;
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Dart_Handle res = Dart_GetLibraryDebuggable(lib_id, &is_debuggable);
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RETURN_IF_ERROR(res);
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buf->Printf(",\"debuggingEnabled\":%s",
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is_debuggable ? "\"true\"" : "\"false\"");
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// Imports and prefixes.
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Dart_Handle import_list = Dart_GetLibraryImports(lib_id);
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RETURN_IF_ERROR(import_list);
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ASSERT(Dart_IsList(import_list));
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intptr_t list_length = 0;
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res = Dart_ListLength(import_list, &list_length);
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RETURN_IF_ERROR(res);
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buf->Printf(",\"imports\":[");
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for (int i = 0; i + 1 < list_length; i += 2) {
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Dart_Handle lib_id = Dart_ListGetAt(import_list, i + 1);
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ASSERT_NOT_ERROR(lib_id);
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buf->Printf("%s{\"libraryId\":%d,",
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(i > 0) ? ",": "",
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GetIntValue(lib_id));
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Dart_Handle name = Dart_ListGetAt(import_list, i);
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ASSERT_NOT_ERROR(name);
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buf->Printf("\"prefix\":\"%s\"}",
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Dart_IsNull(name) ? "" : GetStringChars(name));
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}
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buf->Printf("],");
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// Global variables in the library.
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Dart_Handle global_vars = Dart_GetLibraryFields(lib_id);
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RETURN_IF_ERROR(global_vars);
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buf->Printf("\"globals\":");
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FormatNamedValueList(buf, global_vars);
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buf->Printf("}");
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return NULL;
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}
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static const char* FormatObjProps(dart::TextBuffer* buf,
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Dart_Handle object) {
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intptr_t class_id;
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if (Dart_IsNull(object)) {
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buf->Printf("{\"classId\":-1,\"fields\":[]}");
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return NULL;
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}
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Dart_Handle res = Dart_GetObjClassId(object, &class_id);
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RETURN_IF_ERROR(res);
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buf->Printf("{\"classId\": %" Pd ",", class_id);
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buf->Printf("\"kind\":\"object\",\"fields\":");
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Dart_Handle fields = Dart_GetInstanceFields(object);
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RETURN_IF_ERROR(fields);
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FormatNamedValueList(buf, fields);
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buf->Printf("}");
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return NULL;
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}
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static const char* FormatListSlice(dart::TextBuffer* buf,
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Dart_Handle list,
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intptr_t list_length,
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intptr_t index,
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intptr_t slice_length) {
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intptr_t end_index = index + slice_length;
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ASSERT(end_index <= list_length);
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buf->Printf("{\"index\":%" Pd ",", index);
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buf->Printf("\"length\":%" Pd ",", slice_length);
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buf->Printf("\"elements\":[");
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for (intptr_t i = index; i < end_index; i++) {
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Dart_Handle value = Dart_ListGetAt(list, i);
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if (i > index) {
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buf->Printf(",");
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}
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FormatValueObj(buf, value);
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}
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buf->Printf("]}");
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return NULL;
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}
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static void FormatLocationFromTrace(dart::TextBuffer* msg,
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Dart_StackTrace trace,
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const char* prefix) {
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intptr_t trace_len = 0;
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Dart_Handle res = Dart_StackTraceLength(trace, &trace_len);
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ASSERT_NOT_ERROR(res);
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Dart_ActivationFrame frame;
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res = Dart_GetActivationFrame(trace, 0, &frame);
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ASSERT_NOT_ERROR(res);
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Dart_CodeLocation location;
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res = Dart_ActivationFrameGetLocation(frame, NULL, &location);
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ASSERT_NOT_ERROR(res);
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if (!Dart_IsNull(location.script_url)) {
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ASSERT(Dart_IsString(location.script_url));
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msg->Printf("%s\"location\": { \"url\":", prefix);
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FormatEncodedString(msg, location.script_url);
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msg->Printf(",\"libraryId\":%d,", location.library_id);
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msg->Printf("\"tokenOffset\":%d}", location.token_pos);
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}
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}
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static void FormatCallFrames(dart::TextBuffer* msg, Dart_StackTrace trace) {
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intptr_t trace_len = 0;
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Dart_Handle res = Dart_StackTraceLength(trace, &trace_len);
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ASSERT_NOT_ERROR(res);
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msg->Printf("\"callFrames\" : [ ");
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for (int i = 0; i < trace_len; i++) {
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Dart_ActivationFrame frame;
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res = Dart_GetActivationFrame(trace, i, &frame);
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ASSERT_NOT_ERROR(res);
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Dart_Handle func_name;
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Dart_CodeLocation location;
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res = Dart_ActivationFrameGetLocation(frame, &func_name, &location);
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ASSERT_NOT_ERROR(res);
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ASSERT(Dart_IsString(func_name));
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msg->Printf("%s{\"functionName\":", (i > 0) ? "," : "");
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FormatEncodedString(msg, func_name);
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if (!Dart_IsNull(location.script_url)) {
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ASSERT(Dart_IsString(location.script_url));
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msg->Printf(",\"location\": { \"url\":");
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FormatEncodedString(msg, location.script_url);
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msg->Printf(",\"libraryId\":%d,", location.library_id);
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msg->Printf("\"tokenOffset\":%d}", location.token_pos);
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}
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Dart_Handle locals = Dart_GetLocalVariables(frame);
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ASSERT_NOT_ERROR(locals);
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msg->Printf(",\"locals\":");
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FormatNamedValueList(msg, locals);
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msg->Printf("}");
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}
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msg->Printf("]");
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}
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typedef bool (*CommandHandler)(DbgMessage* msg);
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struct JSONDebuggerCommand {
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const char* cmd_string;
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CommandHandler handler_function;
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};
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static JSONDebuggerCommand debugger_commands[] = {
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{ "resume", DbgMessage::HandleResumeCmd },
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{ "stepInto", DbgMessage::HandleStepIntoCmd },
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{ "stepOut", DbgMessage::HandleStepOutCmd },
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{ "stepOver", DbgMessage::HandleStepOverCmd },
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{ "getLibraries", DbgMessage::HandleGetLibrariesCmd },
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{ "getClassProperties", DbgMessage::HandleGetClassPropsCmd },
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{ "getLibraryProperties", DbgMessage::HandleGetLibPropsCmd },
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{ "setLibraryProperties", DbgMessage::HandleSetLibPropsCmd },
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{ "evaluateExpr", DbgMessage::HandleEvaluateExprCmd },
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{ "getObjectProperties", DbgMessage::HandleGetObjPropsCmd },
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{ "getListElements", DbgMessage::HandleGetListCmd },
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{ "getGlobalVariables", DbgMessage::HandleGetGlobalsCmd },
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{ "getScriptURLs", DbgMessage::HandleGetScriptURLsCmd },
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{ "getScriptSource", DbgMessage::HandleGetSourceCmd },
|
|
{ "getLineNumberTable", DbgMessage::HandleGetLineNumbersCmd },
|
|
{ "getStackTrace", DbgMessage::HandleGetStackTraceCmd },
|
|
{ "setBreakpoint", DbgMessage::HandleSetBpCmd },
|
|
{ "setPauseOnException", DbgMessage::HandlePauseOnExcCmd },
|
|
{ "removeBreakpoint", DbgMessage::HandleRemBpCmd },
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
|
|
bool DbgMessage::HandleMessage() {
|
|
// Dispatch to the appropriate handler for the command.
|
|
int max_index = (sizeof(debugger_commands) / sizeof(JSONDebuggerCommand));
|
|
ASSERT(cmd_idx_ < max_index);
|
|
return (*debugger_commands[cmd_idx_].handler_function)(this);
|
|
}
|
|
|
|
|
|
void DbgMessage::SendReply(dart::TextBuffer* reply) {
|
|
DebuggerConnectionHandler::SendMsg(debug_fd(), reply);
|
|
}
|
|
|
|
|
|
void DbgMessage::SendErrorReply(int msg_id, const char* err_msg) {
|
|
DebuggerConnectionHandler::SendError(debug_fd(), msg_id, err_msg);
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleResumeCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
dart::TextBuffer msg(64);
|
|
msg.Printf("{ \"id\": %d }", msg_id);
|
|
in_msg->SendReply(&msg);
|
|
return true;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleStepIntoCmd(DbgMessage* in_msg) {
|
|
Dart_Handle res = Dart_SetStepInto();
|
|
ASSERT_NOT_ERROR(res);
|
|
return HandleResumeCmd(in_msg);
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleStepOutCmd(DbgMessage* in_msg) {
|
|
Dart_Handle res = Dart_SetStepOut();
|
|
ASSERT_NOT_ERROR(res);
|
|
return HandleResumeCmd(in_msg);
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleStepOverCmd(DbgMessage* in_msg) {
|
|
Dart_Handle res = Dart_SetStepOver();
|
|
ASSERT_NOT_ERROR(res);
|
|
return HandleResumeCmd(in_msg);
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetLibrariesCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
dart::TextBuffer msg(64);
|
|
msg.Printf("{ \"id\": %d, \"result\": { \"libraries\": [", msg_id);
|
|
Dart_Handle lib_ids = Dart_GetLibraryIds();
|
|
ASSERT_NOT_ERROR(lib_ids);
|
|
intptr_t num_libs;
|
|
Dart_Handle res = Dart_ListLength(lib_ids, &num_libs);
|
|
ASSERT_NOT_ERROR(res);
|
|
for (int i = 0; i < num_libs; i++) {
|
|
Dart_Handle lib_id_handle = Dart_ListGetAt(lib_ids, i);
|
|
ASSERT(Dart_IsInteger(lib_id_handle));
|
|
int lib_id = GetIntValue(lib_id_handle);
|
|
Dart_Handle lib_url = Dart_GetLibraryURL(lib_id);
|
|
ASSERT_NOT_ERROR(lib_url);
|
|
ASSERT(Dart_IsString(lib_url));
|
|
msg.Printf("%s{\"id\":%d,\"url\":", (i == 0) ? "" : ", ", lib_id);
|
|
FormatEncodedString(&msg, lib_url);
|
|
msg.Printf("}");
|
|
}
|
|
msg.Printf("]}}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetClassPropsCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
intptr_t cls_id = msg_parser.GetIntParam("classId");
|
|
dart::TextBuffer msg(64);
|
|
msg.Printf("{\"id\":%d, \"result\":", msg_id);
|
|
const char* err = FormatClassProps(&msg, cls_id);
|
|
if (err != NULL) {
|
|
in_msg->SendErrorReply(msg_id, err);
|
|
return false;
|
|
}
|
|
msg.Printf("}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetLibPropsCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
intptr_t lib_id = msg_parser.GetIntParam("libraryId");
|
|
dart::TextBuffer msg(64);
|
|
msg.Printf("{\"id\":%d, \"result\":", msg_id);
|
|
const char* err = FormatLibraryProps(&msg, lib_id);
|
|
if (err != NULL) {
|
|
in_msg->SendErrorReply(msg_id, err);
|
|
return false;
|
|
}
|
|
msg.Printf("}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleSetLibPropsCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
intptr_t lib_id = msg_parser.GetIntParam("libraryId");
|
|
const char* enable_request = msg_parser.GetStringParam("debuggingEnabled");
|
|
bool enable;
|
|
if (strcmp(enable_request, "true") == 0) {
|
|
enable = true;
|
|
} else if (strcmp(enable_request, "false") == 0) {
|
|
enable = false;
|
|
} else {
|
|
in_msg->SendErrorReply(msg_id, "illegal argument for 'debuggingEnabled'");
|
|
return false;
|
|
}
|
|
Dart_Handle res = Dart_SetLibraryDebuggable(lib_id, enable);
|
|
if (Dart_IsError(res)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(res));
|
|
return false;
|
|
}
|
|
bool enabled = false;
|
|
res = Dart_GetLibraryDebuggable(lib_id, &enabled);
|
|
if (Dart_IsError(res)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(res));
|
|
return false;
|
|
}
|
|
dart::TextBuffer msg(64);
|
|
msg.Printf("{\"id\":%d, \"result\": {\"debuggingEnabled\": \"%s\"}}",
|
|
msg_id,
|
|
enabled ? "true" : "false");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleEvaluateExprCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
Dart_Handle target;
|
|
|
|
if (msg_parser.HasParam("libraryId")) {
|
|
intptr_t lib_id = msg_parser.GetIntParam("libraryId");
|
|
target = Dart_GetLibraryFromId(lib_id);
|
|
} else if (msg_parser.HasParam("classId")) {
|
|
intptr_t cls_id = msg_parser.GetIntParam("classId");
|
|
target = Dart_GetClassFromId(cls_id);
|
|
} else if (msg_parser.HasParam("objectId")) {
|
|
intptr_t obj_id = msg_parser.GetIntParam("objectId");
|
|
target = Dart_GetCachedObject(obj_id);
|
|
} else {
|
|
in_msg->SendErrorReply(msg_id, "illegal evaluation target");
|
|
return false;
|
|
}
|
|
|
|
if (Dart_IsError(target)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(target));
|
|
return false;
|
|
}
|
|
char* expr_chars = msg_parser.GetStringParam("expression");
|
|
Dart_Handle expr = Dart_NewStringFromCString(expr_chars);
|
|
if (Dart_IsError(expr)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(expr));
|
|
return false;
|
|
}
|
|
|
|
Dart_Handle value = Dart_EvaluateExpr(target, expr);
|
|
if (Dart_IsError(value)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(value));
|
|
return false;
|
|
}
|
|
|
|
dart::TextBuffer msg(64);
|
|
msg.Printf("{\"id\":%d, \"result\":", msg_id);
|
|
FormatRemoteObj(&msg, value);
|
|
msg.Printf("}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetObjPropsCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
intptr_t obj_id = msg_parser.GetIntParam("objectId");
|
|
Dart_Handle obj = Dart_GetCachedObject(obj_id);
|
|
if (Dart_IsError(obj)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(obj));
|
|
return false;
|
|
}
|
|
dart::TextBuffer msg(64);
|
|
msg.Printf("{\"id\":%d, \"result\":", msg_id);
|
|
const char* err = FormatObjProps(&msg, obj);
|
|
if (err != NULL) {
|
|
in_msg->SendErrorReply(msg_id, err);
|
|
return false;
|
|
}
|
|
msg.Printf("}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetListCmd(DbgMessage* in_msg) {
|
|
const intptr_t kDefaultSliceLength = 100;
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
intptr_t obj_id = msg_parser.GetIntParam("objectId");
|
|
Dart_Handle list = Dart_GetCachedObject(obj_id);
|
|
if (Dart_IsError(list)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(list));
|
|
return false;
|
|
}
|
|
if (!Dart_IsList(list)) {
|
|
in_msg->SendErrorReply(msg_id, "object is not a list");
|
|
return false;
|
|
}
|
|
intptr_t list_length = 0;
|
|
Dart_Handle res = Dart_ListLength(list, &list_length);
|
|
if (Dart_IsError(res)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(res));
|
|
return false;
|
|
}
|
|
|
|
intptr_t index = msg_parser.GetIntParam("index");
|
|
if (index < 0) {
|
|
index = 0;
|
|
} else if (index > list_length) {
|
|
index = list_length;
|
|
}
|
|
|
|
// If no slice length is given, get only one element. If slice length
|
|
// is given as 0, get entire list.
|
|
intptr_t slice_length = msg_parser.GetOptIntParam("length", 1);
|
|
if (slice_length == 0) {
|
|
slice_length = list_length - index;
|
|
}
|
|
if ((index + slice_length) > list_length) {
|
|
slice_length = list_length - index;
|
|
}
|
|
ASSERT(slice_length >= 0);
|
|
if (slice_length > kDefaultSliceLength) {
|
|
slice_length = kDefaultSliceLength;
|
|
}
|
|
dart::TextBuffer msg(64);
|
|
msg.Printf("{\"id\":%d, \"result\":", msg_id);
|
|
if (slice_length == 1) {
|
|
Dart_Handle value = Dart_ListGetAt(list, index);
|
|
FormatRemoteObj(&msg, value);
|
|
} else {
|
|
FormatListSlice(&msg, list, list_length, index, slice_length);
|
|
}
|
|
msg.Printf("}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetGlobalsCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
intptr_t lib_id = msg_parser.GetIntParam("libraryId");
|
|
dart::TextBuffer msg(64);
|
|
msg.Printf("{\"id\":%d, \"result\": { \"globals\":", msg_id);
|
|
Dart_Handle globals = Dart_GetGlobalVariables(lib_id);
|
|
ASSERT_NOT_ERROR(globals);
|
|
FormatNamedValueList(&msg, globals);
|
|
msg.Printf("}}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetScriptURLsCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
dart::TextBuffer msg(64);
|
|
intptr_t lib_id = msg_parser.GetIntParam("libraryId");
|
|
Dart_Handle lib_url = Dart_GetLibraryURL(lib_id);
|
|
ASSERT_NOT_ERROR(lib_url);
|
|
Dart_Handle urls = Dart_GetScriptURLs(lib_url);
|
|
if (Dart_IsError(urls)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(urls));
|
|
return false;
|
|
}
|
|
ASSERT(Dart_IsList(urls));
|
|
intptr_t num_urls = 0;
|
|
Dart_ListLength(urls, &num_urls);
|
|
msg.Printf("{ \"id\": %d, ", msg_id);
|
|
msg.Printf("\"result\": { \"urls\": [");
|
|
for (int i = 0; i < num_urls; i++) {
|
|
Dart_Handle script_url = Dart_ListGetAt(urls, i);
|
|
if (i > 0) {
|
|
msg.Printf(",");
|
|
}
|
|
FormatEncodedString(&msg, script_url);
|
|
}
|
|
msg.Printf("]}}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetSourceCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
dart::TextBuffer msg(64);
|
|
intptr_t lib_id = msg_parser.GetIntParam("libraryId");
|
|
char* url_chars = msg_parser.GetStringParam("url");
|
|
ASSERT(url_chars != NULL);
|
|
Dart_Handle url = DartUtils::NewString(url_chars);
|
|
ASSERT_NOT_ERROR(url);
|
|
free(url_chars);
|
|
url_chars = NULL;
|
|
Dart_Handle source = Dart_ScriptGetSource(lib_id, url);
|
|
if (Dart_IsError(source)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(source));
|
|
return false;
|
|
}
|
|
msg.Printf("{ \"id\": %d, ", msg_id);
|
|
msg.Printf("\"result\": { \"text\": ");
|
|
FormatEncodedString(&msg, source);
|
|
msg.Printf("}}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetLineNumbersCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
dart::TextBuffer msg(64);
|
|
intptr_t lib_id = msg_parser.GetIntParam("libraryId");
|
|
char* url_chars = msg_parser.GetStringParam("url");
|
|
ASSERT(url_chars != NULL);
|
|
Dart_Handle url = DartUtils::NewString(url_chars);
|
|
ASSERT_NOT_ERROR(url);
|
|
free(url_chars);
|
|
url_chars = NULL;
|
|
Dart_Handle info = Dart_ScriptGetTokenInfo(lib_id, url);
|
|
if (Dart_IsError(info)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(info));
|
|
return false;
|
|
}
|
|
ASSERT(Dart_IsList(info));
|
|
intptr_t info_len = 0;
|
|
Dart_Handle res = Dart_ListLength(info, &info_len);
|
|
ASSERT_NOT_ERROR(res);
|
|
msg.Printf("{ \"id\": %d, ", msg_id);
|
|
msg.Printf("\"result\": { \"lines\": [");
|
|
Dart_Handle elem;
|
|
intptr_t num_elems = 0;
|
|
for (intptr_t i = 0; i < info_len; i++) {
|
|
elem = Dart_ListGetAt(info, i);
|
|
if (Dart_IsNull(elem)) {
|
|
msg.Printf((i == 0) ? "[" : "], [");
|
|
num_elems = 0;
|
|
} else {
|
|
ASSERT(Dart_IsInteger(elem));
|
|
int value = GetIntValue(elem);
|
|
if (num_elems == 0) {
|
|
msg.Printf("%d", value);
|
|
} else {
|
|
msg.Printf(",%d", value);
|
|
}
|
|
num_elems++;
|
|
}
|
|
}
|
|
msg.Printf("]]}}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleGetStackTraceCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
Dart_StackTrace trace;
|
|
Dart_Handle res = Dart_GetStackTrace(&trace);
|
|
ASSERT_NOT_ERROR(res);
|
|
dart::TextBuffer msg(128);
|
|
msg.Printf("{ \"id\": %d, \"result\": {", msg_id);
|
|
FormatCallFrames(&msg, trace);
|
|
msg.Printf("}}");
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleSetBpCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
char* url_chars = msg_parser.GetStringParam("url");
|
|
ASSERT(url_chars != NULL);
|
|
Dart_Handle url = DartUtils::NewString(url_chars);
|
|
ASSERT_NOT_ERROR(url);
|
|
free(url_chars);
|
|
url_chars = NULL;
|
|
intptr_t line_number = msg_parser.GetIntParam("line");
|
|
Dart_Handle bp_id = Dart_SetBreakpoint(url, line_number);
|
|
if (Dart_IsError(bp_id)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(bp_id));
|
|
return false;
|
|
}
|
|
ASSERT(Dart_IsInteger(bp_id));
|
|
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\": %" Pu64 " }}",
|
|
msg_id, bp_id_value);
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandlePauseOnExcCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
char* exc_chars = msg_parser.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 {
|
|
in_msg->SendErrorReply(msg_id, "illegal value for parameter 'exceptions'");
|
|
return false;
|
|
}
|
|
Dart_Handle res = Dart_SetExceptionPauseInfo(info);
|
|
ASSERT_NOT_ERROR(res);
|
|
dart::TextBuffer msg(32);
|
|
msg.Printf("{ \"id\": %d }", msg_id);
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMessage::HandleRemBpCmd(DbgMessage* in_msg) {
|
|
ASSERT(in_msg != NULL);
|
|
MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
|
|
int msg_id = msg_parser.MessageId();
|
|
int bpt_id = msg_parser.GetIntParam("breakpointId");
|
|
Dart_Handle res = Dart_RemoveBreakpoint(bpt_id);
|
|
if (Dart_IsError(res)) {
|
|
in_msg->SendErrorReply(msg_id, Dart_GetError(res));
|
|
return false;
|
|
}
|
|
dart::TextBuffer msg(32);
|
|
msg.Printf("{ \"id\": %d }", msg_id);
|
|
in_msg->SendReply(&msg);
|
|
return false;
|
|
}
|
|
|
|
|
|
void DbgMsgQueue::AddMessage(int32_t cmd_idx,
|
|
const char* start,
|
|
const char* end,
|
|
int debug_fd) {
|
|
if ((end > start) && ((end - start) < kMaxInt32)) {
|
|
MonitorLocker ml(&msg_queue_lock_);
|
|
DbgMessage* msg = new DbgMessage(cmd_idx, start, end, debug_fd);
|
|
if (msglist_head_ == NULL) {
|
|
ASSERT(msglist_tail_ == NULL);
|
|
msglist_head_ = msg;
|
|
msglist_tail_ = msg;
|
|
ml.Notify();
|
|
} else {
|
|
ASSERT(msglist_tail_ != NULL);
|
|
msglist_tail_->set_next(msg);
|
|
msglist_tail_ = msg;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void DbgMsgQueue::HandleMessages() {
|
|
bool resume_requested = false;
|
|
MonitorLocker ml(&msg_queue_lock_);
|
|
is_running_ = false;
|
|
while (!resume_requested) {
|
|
while (msglist_head_ == NULL) {
|
|
ASSERT(msglist_tail_ == NULL);
|
|
dart::Monitor::WaitResult res = ml.Wait(); // Wait for debugger commands.
|
|
ASSERT(res == dart::Monitor::kNotified);
|
|
}
|
|
while (msglist_head_ != NULL && !resume_requested) {
|
|
ASSERT(msglist_tail_ != NULL);
|
|
DbgMessage* msg = msglist_head_;
|
|
msglist_head_ = msglist_head_->next();
|
|
resume_requested = msg->HandleMessage();
|
|
delete msg;
|
|
}
|
|
if (msglist_head_ == NULL) {
|
|
msglist_tail_ = NULL;
|
|
}
|
|
}
|
|
is_interrupted_ = false;
|
|
is_running_ = true;
|
|
}
|
|
|
|
|
|
void DbgMsgQueue::InterruptIsolate() {
|
|
Dart_Isolate isolate = Dart_GetIsolate(isolate_id_);
|
|
MonitorLocker ml(&msg_queue_lock_);
|
|
if (is_running_ && !is_interrupted_) {
|
|
is_interrupted_ = true;
|
|
Dart_InterruptIsolate(isolate);
|
|
}
|
|
}
|
|
|
|
|
|
void DbgMsgQueue::QueueOutputMsg(dart::TextBuffer* msg) {
|
|
queued_output_messages_.Printf("%s", msg->buf());
|
|
}
|
|
|
|
|
|
void DbgMsgQueue::SendQueuedMsgs() {
|
|
if (queued_output_messages_.length() > 0) {
|
|
DebuggerConnectionHandler::BroadcastMsg(&queued_output_messages_);
|
|
queued_output_messages_.Clear();
|
|
}
|
|
}
|
|
|
|
|
|
void DbgMsgQueue::SendBreakpointEvent(const Dart_CodeLocation& location) {
|
|
dart::TextBuffer msg(128);
|
|
msg.Printf("{ \"event\": \"paused\", \"params\": { ");
|
|
msg.Printf("\"reason\": \"breakpoint\", ");
|
|
msg.Printf("\"isolateId\": %" Pd64 "", isolate_id_);
|
|
if (!Dart_IsNull(location.script_url)) {
|
|
ASSERT(Dart_IsString(location.script_url));
|
|
msg.Printf(",\"location\": { \"url\":");
|
|
FormatEncodedString(&msg, location.script_url);
|
|
msg.Printf(",\"libraryId\":%d,", location.library_id);
|
|
msg.Printf("\"tokenOffset\":%d}", location.token_pos);
|
|
}
|
|
msg.Printf("}}");
|
|
DebuggerConnectionHandler::BroadcastMsg(&msg);
|
|
}
|
|
|
|
|
|
// TODO(hausner): Remove stack trace parameter once we remove the stack
|
|
// trace from the paused event in the wire protocol.
|
|
void DbgMsgQueue::SendExceptionEvent(Dart_Handle exception,
|
|
Dart_StackTrace stack_trace) {
|
|
intptr_t exception_id = Dart_CacheObject(exception);
|
|
ASSERT(exception_id >= 0);
|
|
dart::TextBuffer msg(128);
|
|
msg.Printf("{ \"event\": \"paused\", \"params\": {");
|
|
msg.Printf("\"reason\": \"exception\", ");
|
|
msg.Printf("\"isolateId\": %" Pd64 ", ", isolate_id_);
|
|
msg.Printf("\"exception\":");
|
|
FormatRemoteObj(&msg, exception);
|
|
FormatLocationFromTrace(&msg, stack_trace, ", ");
|
|
msg.Printf("}}");
|
|
DebuggerConnectionHandler::BroadcastMsg(&msg);
|
|
}
|
|
|
|
|
|
// TODO(hausner): Remove stack trace parameter once we remove the stack
|
|
// trace from the interrupted event in the wire protocol.
|
|
void DbgMsgQueue::SendIsolateEvent(Dart_IsolateId isolate_id,
|
|
Dart_IsolateEvent kind) {
|
|
dart::TextBuffer msg(128);
|
|
if (kind == kInterrupted) {
|
|
Dart_StackTrace trace;
|
|
Dart_Handle res = Dart_GetStackTrace(&trace);
|
|
ASSERT_NOT_ERROR(res);
|
|
msg.Printf("{ \"event\": \"paused\", \"params\": { ");
|
|
msg.Printf("\"reason\": \"interrupted\", ");
|
|
msg.Printf("\"isolateId\": %" Pd64 "", isolate_id);
|
|
FormatLocationFromTrace(&msg, trace, ", ");
|
|
msg.Printf("}}");
|
|
} else {
|
|
msg.Printf("{ \"event\": \"isolate\", \"params\": { ");
|
|
if (kind == kCreated) {
|
|
msg.Printf("\"reason\": \"created\", ");
|
|
} else {
|
|
ASSERT(kind == kShutdown);
|
|
msg.Printf("\"reason\": \"shutdown\", ");
|
|
}
|
|
msg.Printf("\"id\": %" Pd64 " ", isolate_id);
|
|
msg.Printf("}}");
|
|
}
|
|
DebuggerConnectionHandler::BroadcastMsg(&msg);
|
|
}
|
|
|
|
|
|
DbgMsgQueue* DbgMsgQueueList::list_ = NULL;
|
|
dart::Mutex* DbgMsgQueueList::msg_queue_list_lock_ = new dart::Mutex();
|
|
|
|
|
|
void DbgMsgQueueList::Initialize() {
|
|
// Setup handlers for isolate events, breakpoints, exceptions and
|
|
// delayed breakpoints.
|
|
Dart_SetIsolateEventHandler(IsolateEventHandler);
|
|
Dart_SetPausedEventHandler(PausedEventHandler);
|
|
Dart_SetBreakpointResolvedHandler(BptResolvedHandler);
|
|
Dart_SetExceptionThrownHandler(ExceptionThrownHandler);
|
|
}
|
|
|
|
|
|
int32_t DbgMsgQueueList::LookupIsolateCommand(const char* buf,
|
|
int32_t buflen) {
|
|
// Check if we have a isolate specific debugger command.
|
|
int32_t i = 0;
|
|
while (debugger_commands[i].cmd_string != NULL) {
|
|
if (strncmp(buf, debugger_commands[i].cmd_string, buflen) == 0) {
|
|
return i;
|
|
}
|
|
i++;
|
|
}
|
|
return kInvalidCommand;
|
|
}
|
|
|
|
|
|
bool DbgMsgQueueList::AddIsolateMessage(Dart_IsolateId isolate_id,
|
|
int32_t cmd_idx,
|
|
const char* start,
|
|
const char* end,
|
|
int debug_fd) {
|
|
MutexLocker ml(msg_queue_list_lock_);
|
|
DbgMsgQueue* queue = DbgMsgQueueList::GetIsolateMsgQueueLocked(isolate_id);
|
|
if (queue != NULL) {
|
|
queue->AddMessage(cmd_idx, start, end, debug_fd);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
bool DbgMsgQueueList::InterruptIsolate(Dart_IsolateId isolate_id) {
|
|
MutexLocker ml(msg_queue_list_lock_);
|
|
DbgMsgQueue* queue = DbgMsgQueueList::GetIsolateMsgQueueLocked(isolate_id);
|
|
if (queue != NULL) {
|
|
queue->InterruptIsolate();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
DbgMsgQueue* DbgMsgQueueList::AddIsolateMsgQueue(Dart_IsolateId isolate_id) {
|
|
MutexLocker ml(msg_queue_list_lock_);
|
|
|
|
DbgMsgQueue* queue = new DbgMsgQueue(isolate_id, list_);
|
|
ASSERT(queue != NULL);
|
|
list_ = queue;
|
|
return queue;
|
|
}
|
|
|
|
|
|
DbgMsgQueue* DbgMsgQueueList::GetIsolateMsgQueue(Dart_IsolateId isolate_id) {
|
|
MutexLocker ml(msg_queue_list_lock_);
|
|
ASSERT(Dart_GetIsolate(isolate_id) == Dart_CurrentIsolate());
|
|
return GetIsolateMsgQueueLocked(isolate_id);
|
|
}
|
|
|
|
|
|
DbgMsgQueue* DbgMsgQueueList::GetIsolateMsgQueueLocked(Dart_IsolateId id) {
|
|
if (list_ == NULL) {
|
|
return NULL; // No items in the list.
|
|
}
|
|
|
|
// Find message queue corresponding to isolate id.
|
|
DbgMsgQueue* iterator = list_;
|
|
while (iterator != NULL && iterator->isolate_id() != id) {
|
|
iterator = iterator->next();
|
|
}
|
|
return iterator;
|
|
}
|
|
|
|
|
|
void DbgMsgQueueList::RemoveIsolateMsgQueue(Dart_IsolateId isolate_id) {
|
|
MutexLocker ml(msg_queue_list_lock_);
|
|
if (list_ == NULL) {
|
|
return; // No items in the list.
|
|
}
|
|
DbgMsgQueue* queue = list_;
|
|
if (queue->isolate_id() == isolate_id) {
|
|
list_ = queue->next(); // Remove from list.
|
|
delete queue; // Delete the message queue.
|
|
return;
|
|
} else {
|
|
DbgMsgQueue* iterator = queue;
|
|
queue = queue->next();
|
|
while (queue != NULL) {
|
|
if (queue->isolate_id() == isolate_id) {
|
|
iterator->set_next(queue->next()); // Remove from list.
|
|
delete queue; // Delete the message queue.
|
|
return;
|
|
}
|
|
iterator = queue;
|
|
queue = queue->next();
|
|
}
|
|
}
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
void DbgMsgQueueList::ListIsolateIds(dart::TextBuffer* msg) {
|
|
MutexLocker ml(msg_queue_list_lock_);
|
|
if (list_ == NULL) {
|
|
return; // No items in the list.
|
|
}
|
|
DbgMsgQueue* queue = list_;
|
|
msg->Printf("%" Pd64 "", queue->isolate_id());
|
|
queue = queue->next();
|
|
while (queue != NULL) {
|
|
msg->Printf(",%" Pd64 "", queue->isolate_id());
|
|
queue = queue->next();
|
|
}
|
|
}
|
|
|
|
|
|
void DbgMsgQueueList::BptResolvedHandler(Dart_IsolateId isolate_id,
|
|
intptr_t bp_id,
|
|
const Dart_CodeLocation& location) {
|
|
Dart_EnterScope();
|
|
dart::TextBuffer msg(128);
|
|
msg.Printf("{ \"event\": \"breakpointResolved\", \"params\": {");
|
|
msg.Printf("\"breakpointId\": %" Pd "", bp_id);
|
|
|
|
msg.Printf(", \"isolateId\":%" Pd64 "", isolate_id);
|
|
ASSERT(!Dart_IsNull(location.script_url));
|
|
ASSERT(Dart_IsString(location.script_url));
|
|
msg.Printf(", \"location\":{\"url\":");
|
|
FormatEncodedString(&msg, location.script_url);
|
|
msg.Printf(",\"libraryId\":%d", location.library_id);
|
|
msg.Printf(",\"tokenOffset\":%d}}}", location.token_pos);
|
|
|
|
DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id);
|
|
ASSERT(msg_queue != NULL);
|
|
msg_queue->QueueOutputMsg(&msg);
|
|
Dart_ExitScope();
|
|
}
|
|
|
|
|
|
void DbgMsgQueueList::PausedEventHandler(Dart_IsolateId isolate_id,
|
|
const Dart_CodeLocation& loc) {
|
|
DebuggerConnectionHandler::WaitForConnection();
|
|
Dart_EnterScope();
|
|
DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id);
|
|
ASSERT(msg_queue != NULL);
|
|
msg_queue->SendQueuedMsgs();
|
|
msg_queue->SendBreakpointEvent(loc);
|
|
msg_queue->HandleMessages();
|
|
Dart_ExitScope();
|
|
}
|
|
|
|
|
|
void DbgMsgQueueList::ExceptionThrownHandler(Dart_IsolateId isolate_id,
|
|
Dart_Handle exception,
|
|
Dart_StackTrace stack_trace) {
|
|
DebuggerConnectionHandler::WaitForConnection();
|
|
Dart_EnterScope();
|
|
DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id);
|
|
ASSERT(msg_queue != NULL);
|
|
msg_queue->SendQueuedMsgs();
|
|
msg_queue->SendExceptionEvent(exception, stack_trace);
|
|
msg_queue->HandleMessages();
|
|
Dart_ExitScope();
|
|
}
|
|
|
|
|
|
void DbgMsgQueueList::IsolateEventHandler(Dart_IsolateId isolate_id,
|
|
Dart_IsolateEvent kind) {
|
|
DebuggerConnectionHandler::WaitForConnection();
|
|
Dart_EnterScope();
|
|
if (kind == kCreated) {
|
|
DbgMsgQueue* msg_queue = AddIsolateMsgQueue(isolate_id);
|
|
msg_queue->SendIsolateEvent(isolate_id, kind);
|
|
} else {
|
|
DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id);
|
|
ASSERT(msg_queue != NULL);
|
|
msg_queue->SendQueuedMsgs();
|
|
msg_queue->SendIsolateEvent(isolate_id, kind);
|
|
if (kind == kInterrupted) {
|
|
msg_queue->HandleMessages();
|
|
} else {
|
|
ASSERT(kind == kShutdown);
|
|
RemoveIsolateMsgQueue(isolate_id);
|
|
}
|
|
}
|
|
Dart_ExitScope();
|
|
}
|
|
|
|
} // namespace bin
|
|
} // namespace dart
|