[DevTools] Roll inspector_protocol (V8).

New Revision: d48ba2079ffcdaf2d99f4153127aab6dbe32a954

Change-Id: Idde7388b4f92492609c1714fc003ec3234c8bf82
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1686451
Auto-Submit: Johannes Henkel <johannes@chromium.org>
Reviewed-by: Alexei Filippov <alph@chromium.org>
Commit-Queue: Alexei Filippov <alph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62503}

third_party/inspector_protocol/README.md

@@ -15,8 +15,8 @@ https://cs.chromium.org/chromium/src/v8/third_party/inspector_protocol/
 See also [Contributing to Chrome Devtools Protocol](https://docs.google.com/document/d/1c-COD2kaK__5iMM5SEx-PzNA7HFmgttcYfOHHX0HaOM/edit).
 
 We're working on enabling standalone builds for parts of this package for
-testing and development, please feel free to ignore this for now.
-But, if you're familiar with
+testing and development.
+If you're familiar with
 [Chromium's development process](https://www.chromium.org/developers/contributing-code)
 and have the depot_tools installed, you may use these commands
 to fetch the package (and dependencies) and build and run the tests:
@@ -24,8 +24,9 @@ to fetch the package (and dependencies) and build and run the tests:
     fetch inspector_protocol
     cd src
     gn gen out/Release
-    ninja -C out/Release json_parser_test
-    out/Release/json_parser_test
+    ninja -C out/Release encoding_test bindings_test
+    out/Release/encoding_test
+    out/Release/bindings_test
 
 You'll probably also need to install g++, since Clang uses this to find the
 standard C++ headers. E.g.,

third_party/inspector_protocol/README.v8

@@ -2,7 +2,7 @@ Name: inspector protocol
 Short Name: inspector_protocol
 URL: https://chromium.googlesource.com/deps/inspector_protocol/
 Version: 0
-Revision: aec57d43b6a2c41c37fb0a2507108e89a9342177
+Revision: 373efb7fe33a7ae84038868ed08b9f1bd328b55d
 License: BSD
 License File: LICENSE
 Security Critical: no

third_party/inspector_protocol/concatenate_protocols.py

@@ -7,33 +7,36 @@ import os.path
 import sys
 
 try:
-    import json
+  import json
 except ImportError:
-    import simplejson as json
+  import simplejson as json
 
 import pdl
 
 def main(argv):
-    if len(argv) < 1:
-        sys.stderr.write("Usage: %s <protocol-1> [<protocol-2> [, <protocol-3>...]] <output-file>\n" % sys.argv[0])
-        return 1
+  if len(argv) < 1:
+    sys.stderr.write(
+        "Usage: %s <protocol-1> [<protocol-2> [, <protocol-3>...]] "
+        "<output-file>\n" % sys.argv[0])
+    return 1
 
-    domains = []
-    version = None
-    for protocol in argv[:-1]:
-        file_name = os.path.normpath(protocol)
-        if not os.path.isfile(file_name):
-            sys.stderr.write("Cannot find %s\n" % file_name)
-            return 1
-        input_file = open(file_name, "r")
-        parsed_json = pdl.loads(input_file.read(), file_name)
-        domains += parsed_json["domains"]
-        version = parsed_json["version"]
+  domains = []
+  version = None
+  for protocol in argv[:-1]:
+    file_name = os.path.normpath(protocol)
+    if not os.path.isfile(file_name):
+      sys.stderr.write("Cannot find %s\n" % file_name)
+      return 1
+    input_file = open(file_name, "r")
+    parsed_json = pdl.loads(input_file.read(), file_name)
+    domains += parsed_json["domains"]
+    version = parsed_json["version"]
 
-    output_file = open(argv[-1], "w")
-    json.dump({"version": version, "domains": domains}, output_file, indent=4, sort_keys=False, separators=(',', ': '))
-    output_file.close()
+  output_file = open(argv[-1], "w")
+  json.dump({"version": version, "domains": domains}, output_file,
+            indent=4, sort_keys=False, separators=(',', ': '))
+  output_file.close()
 
 
 if __name__ == '__main__':
-    sys.exit(main(sys.argv[1:]))
+  sys.exit(main(sys.argv[1:]))

third_party/inspector_protocol/encoding/encoding.cc

@@ -1370,7 +1370,7 @@ class JSONEncoder : public StreamingParserHandler {
 
         // If we have enough bytes in our input, decode the remaining ones
         // belonging to this Unicode character into |codepoint|.
-        if (ii + num_bytes_left > chars.size())
+        if (ii + num_bytes_left >= chars.size())
           continue;
         while (num_bytes_left > 0) {
           c = chars[++ii];

third_party/inspector_protocol/encoding/encoding_test.cc

@@ -1366,6 +1366,32 @@ TEST(JsonEncoder, OverlongEncodings) {
   EXPECT_EQ("\"\"", out);  // Empty string means that 0x7f was rejected (good).
 }
 
+TEST(JsonEncoder, IncompleteUtf8Sequence) {
+  std::string out;
+  Status status;
+  std::unique_ptr<StreamingParserHandler> writer =
+      NewJSONEncoder(&GetTestPlatform(), &out, &status);
+
+  writer->HandleArrayBegin();  // This emits [, which starts an array.
+
+  {  // 🌎 takes four bytes to encode in UTF-8. We test with the first three;
+    // This means we're trying to emit a string that consists solely of an
+    // incomplete UTF-8 sequence. So the string in the JSON output is emtpy.
+    std::string world_utf8 = "🌎";
+    ASSERT_EQ(4u, world_utf8.size());
+    std::vector<uint8_t> chars(world_utf8.begin(), world_utf8.begin() + 3);
+    writer->HandleString8(SpanFrom(chars));
+    EXPECT_EQ("[\"\"", out);  // Incomplete sequence rejected: empty string.
+  }
+
+  {  // This time, the incomplete sequence is at the end of the string.
+    std::string msg = "Hello, \xF0\x9F\x8C";
+    std::vector<uint8_t> chars(msg.begin(), msg.end());
+    writer->HandleString8(SpanFrom(chars));
+    EXPECT_EQ("[\"\",\"Hello, \"", out);  // Incomplete sequence dropped at end.
+  }
+}
+
 TEST(JsonStdStringWriterTest, HelloWorld) {
   std::string out;
   Status status;

third_party/inspector_protocol/pdl.py

@@ -12,160 +12,167 @@ import sys
 description = ''
 
 
-primitiveTypes = ['integer', 'number', 'boolean', 'string', 'object', 'any', 'array', 'binary']
+primitiveTypes = ['integer', 'number', 'boolean', 'string', 'object',
+                  'any', 'array', 'binary']
 
 
 def assignType(item, type, is_array=False, map_binary_to_string=False):
-    if is_array:
-        item['type'] = 'array'
-        item['items'] = collections.OrderedDict()
-        assignType(item['items'], type, False, map_binary_to_string)
-        return
+  if is_array:
+    item['type'] = 'array'
+    item['items'] = collections.OrderedDict()
+    assignType(item['items'], type, False, map_binary_to_string)
+    return
 
-    if type == 'enum':
-        type = 'string'
-    if map_binary_to_string and type == 'binary':
-        type = 'string'
-    if type in primitiveTypes:
-        item['type'] = type
-    else:
-        item['$ref'] = type
+  if type == 'enum':
+    type = 'string'
+  if map_binary_to_string and type == 'binary':
+    type = 'string'
+  if type in primitiveTypes:
+    item['type'] = type
+  else:
+    item['$ref'] = type
 
 
 def createItem(d, experimental, deprecated, name=None):
-    result = collections.OrderedDict(d)
-    if name:
-        result['name'] = name
-    global description
-    if description:
-        result['description'] = description.strip()
-    if experimental:
-        result['experimental'] = True
-    if deprecated:
-        result['deprecated'] = True
-    return result
+  result = collections.OrderedDict(d)
+  if name:
+    result['name'] = name
+  global description
+  if description:
+    result['description'] = description.strip()
+  if experimental:
+    result['experimental'] = True
+  if deprecated:
+    result['deprecated'] = True
+  return result
 
 
 def parse(data, file_name, map_binary_to_string=False):
-    protocol = collections.OrderedDict()
-    protocol['version'] = collections.OrderedDict()
-    protocol['domains'] = []
-    domain = None
-    item = None
-    subitems = None
-    nukeDescription = False
-    global description
-    lines = data.split('\n')
-    for i in range(0, len(lines)):
-        if nukeDescription:
-            description = ''
-            nukeDescription = False
-        line = lines[i]
-        trimLine = line.strip()
+  protocol = collections.OrderedDict()
+  protocol['version'] = collections.OrderedDict()
+  protocol['domains'] = []
+  domain = None
+  item = None
+  subitems = None
+  nukeDescription = False
+  global description
+  lines = data.split('\n')
+  for i in range(0, len(lines)):
+    if nukeDescription:
+      description = ''
+      nukeDescription = False
+    line = lines[i]
+    trimLine = line.strip()
 
-        if trimLine.startswith('#'):
-            if len(description):
-              description += '\n'
-            description += trimLine[2:]
-            continue
+    if trimLine.startswith('#'):
+      if len(description):
+        description += '\n'
+      description += trimLine[2:]
+      continue
+    else:
+      nukeDescription = True
+
+    if len(trimLine) == 0:
+      continue
+
+    match = re.compile(
+        r'^(experimental )?(deprecated )?domain (.*)').match(line)
+    if match:
+      domain = createItem({'domain' : match.group(3)}, match.group(1),
+                          match.group(2))
+      protocol['domains'].append(domain)
+      continue
+
+    match = re.compile(r'^  depends on ([^\s]+)').match(line)
+    if match:
+      if 'dependencies' not in domain:
+        domain['dependencies'] = []
+      domain['dependencies'].append(match.group(1))
+      continue
+
+    match = re.compile(r'^  (experimental )?(deprecated )?type (.*) '
+                       r'extends (array of )?([^\s]+)').match(line)
+    if match:
+      if 'types' not in domain:
+        domain['types'] = []
+      item = createItem({'id': match.group(3)}, match.group(1), match.group(2))
+      assignType(item, match.group(5), match.group(4), map_binary_to_string)
+      domain['types'].append(item)
+      continue
+
+    match = re.compile(
+        r'^  (experimental )?(deprecated )?(command|event) (.*)').match(line)
+    if match:
+      list = []
+      if match.group(3) == 'command':
+        if 'commands' in domain:
+          list = domain['commands']
         else:
-            nukeDescription = True
+          list = domain['commands'] = []
+      else:
+        if 'events' in domain:
+          list = domain['events']
+        else:
+          list = domain['events'] = []
 
-        if len(trimLine) == 0:
-            continue
+      item = createItem({}, match.group(1), match.group(2), match.group(4))
+      list.append(item)
+      continue
 
-        match = re.compile(r'^(experimental )?(deprecated )?domain (.*)').match(line)
-        if match:
-            domain = createItem({'domain' : match.group(3)}, match.group(1), match.group(2))
-            protocol['domains'].append(domain)
-            continue
+    match = re.compile(
+        r'^      (experimental )?(deprecated )?(optional )?'
+        r'(array of )?([^\s]+) ([^\s]+)').match(line)
+    if match:
+      param = createItem({}, match.group(1), match.group(2), match.group(6))
+      if match.group(3):
+        param['optional'] = True
+      assignType(param, match.group(5), match.group(4), map_binary_to_string)
+      if match.group(5) == 'enum':
+        enumliterals = param['enum'] = []
+      subitems.append(param)
+      continue
 
-        match = re.compile(r'^  depends on ([^\s]+)').match(line)
-        if match:
-            if 'dependencies' not in domain:
-                domain['dependencies'] = []
-            domain['dependencies'].append(match.group(1))
-            continue
+    match = re.compile(r'^    (parameters|returns|properties)').match(line)
+    if match:
+      subitems = item[match.group(1)] = []
+      continue
 
-        match = re.compile(r'^  (experimental )?(deprecated )?type (.*) extends (array of )?([^\s]+)').match(line)
-        if match:
-            if 'types' not in domain:
-                domain['types'] = []
-            item = createItem({'id': match.group(3)}, match.group(1), match.group(2))
-            assignType(item, match.group(5), match.group(4), map_binary_to_string)
-            domain['types'].append(item)
-            continue
+    match = re.compile(r'^    enum').match(line)
+    if match:
+      enumliterals = item['enum'] = []
+      continue
 
-        match = re.compile(r'^  (experimental )?(deprecated )?(command|event) (.*)').match(line)
-        if match:
-            list = []
-            if match.group(3) == 'command':
-                if 'commands' in domain:
-                    list = domain['commands']
-                else:
-                    list = domain['commands'] = []
-            else:
-                if 'events' in domain:
-                    list = domain['events']
-                else:
-                    list = domain['events'] = []
+    match = re.compile(r'^version').match(line)
+    if match:
+      continue
 
-            item = createItem({}, match.group(1), match.group(2), match.group(4))
-            list.append(item)
-            continue
+    match = re.compile(r'^  major (\d+)').match(line)
+    if match:
+      protocol['version']['major'] = match.group(1)
+      continue
 
-        match = re.compile(r'^      (experimental )?(deprecated )?(optional )?(array of )?([^\s]+) ([^\s]+)').match(line)
-        if match:
-            param = createItem({}, match.group(1), match.group(2), match.group(6))
-            if match.group(3):
-                param['optional'] = True
-            assignType(param, match.group(5), match.group(4), map_binary_to_string)
-            if match.group(5) == 'enum':
-                enumliterals = param['enum'] = []
-            subitems.append(param)
-            continue
+    match = re.compile(r'^  minor (\d+)').match(line)
+    if match:
+      protocol['version']['minor'] = match.group(1)
+      continue
 
-        match = re.compile(r'^    (parameters|returns|properties)').match(line)
-        if match:
-            subitems = item[match.group(1)] = []
-            continue
+    match = re.compile(r'^    redirect ([^\s]+)').match(line)
+    if match:
+      item['redirect'] = match.group(1)
+      continue
 
-        match = re.compile(r'^    enum').match(line)
-        if match:
-            enumliterals = item['enum'] = []
-            continue
+    match = re.compile(r'^      (  )?[^\s]+$').match(line)
+    if match:
+      # enum literal
+      enumliterals.append(trimLine)
+      continue
 
-        match = re.compile(r'^version').match(line)
-        if match:
-            continue
-
-        match = re.compile(r'^  major (\d+)').match(line)
-        if match:
-            protocol['version']['major'] = match.group(1)
-            continue
-
-        match = re.compile(r'^  minor (\d+)').match(line)
-        if match:
-            protocol['version']['minor'] = match.group(1)
-            continue
-
-        match = re.compile(r'^    redirect ([^\s]+)').match(line)
-        if match:
-            item['redirect'] = match.group(1)
-            continue
-
-        match = re.compile(r'^      (  )?[^\s]+$').match(line)
-        if match:
-            # enum literal
-            enumliterals.append(trimLine)
-            continue
-
-        print('Error in %s:%s, illegal token: \t%s' % (file_name, i, line))
-        sys.exit(1)
-    return protocol
+    print('Error in %s:%s, illegal token: \t%s' % (file_name, i, line))
+    sys.exit(1)
+  return protocol
 
 
 def loads(data, file_name, map_binary_to_string=False):
-    if file_name.endswith(".pdl"):
-        return parse(data, file_name, map_binary_to_string)
-    return json.loads(data)
+  if file_name.endswith(".pdl"):
+    return parse(data, file_name, map_binary_to_string)
+  return json.loads(data)