DevTools: remove Canvas profiler from DevTools source base. See details in the bug.

Source/devtools/scripts/check_injected_webgl_calls_info.py

-#!/usr/bin/env python
-# Copyright (c) 2013 Google Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-import re
-import sys
-import json
-
-
-def parse_idl_file(idlFileName):
-    idlFile = open(idlFileName, "r")
-    source = idlFile.read()
-    idlFile.close()
-
-    source = re.sub(r"//.*\n", "", source)     # Remove line comments
-    source = re.sub(r"\s+", " ", source)       # Line breaks to spaces, collapse spaces
-    source = re.sub(r"/\*.*?\*/", "", source)  # Remove block comments
-    source = re.sub(r"\[.*?\]", "", source)    # Remove method parameters and array type suffixes
-    source = re.sub(r"\?", "", source)         # Remove optional type suffixes
-
-    parsed_webgl_calls = []
-
-    # Search for method signatures
-    for line in source.split(";"):
-        match = re.match(r"^\s*(\w[\w\s]*)\s+(\w+)\s*\(([^()]*)\)", line)
-        if not match:
-            continue
-
-        return_type = match.group(1).strip()
-        function_name = match.group(2)
-        arguments_string = match.group(3)
-
-        # Search for argument signatures
-        argument_types = []
-        for argument in arguments_string.split(","):
-            match = re.match(r"^\s*(\w[\w\s]*)\s+(\w+)\s*$", argument)
-            if not match:
-                continue
-            argument_types.append(match.group(1).strip())
-
-        # Special case for texParameterf/texParameteri and getTexParameter: treat the parameter as GLenum regardless of the IDL specification:
-        #     void texParameterf(GLenum target, GLenum pname, GLfloat param)
-        #     void texParameteri(GLenum target, GLenum pname, GLint param)
-        #     any getTexParameter(GLenum target, GLenum pname)
-        if function_name == "texParameterf" or function_name == "texParameteri":
-            argument_types[2] = "GLenum"
-        if function_name == "getTexParameter":
-            return_type = "GLenum"
-
-        parsed_webgl_calls.append({"function_name": function_name, "return_type": return_type, "argument_types": argument_types})
-
-    return parsed_webgl_calls
-
-
-def generate_json_lines(parsed_webgl_calls):
-    enum_types = ["GLenum", "GLbitfield"]
-    hints = {
-        "blendFunc": ["ZERO", "ONE"],
-        "blendFuncSeparate": ["ZERO", "ONE"],
-        "stencilOp": ["ZERO", "ONE"],
-        "stencilOpSeparate": ["ZERO", "ONE"],
-        "drawArrays": ["POINTS", "LINES"],
-        "drawElements": ["POINTS", "LINES"],
-        "getError": ["NO_ERROR"],
-    }
-
-    json_lines = []
-    for call in parsed_webgl_calls:
-        function_name = call["function_name"]
-        return_type = call["return_type"]
-        argument_types = call["argument_types"]
-
-        if not (return_type in enum_types or set(enum_types).intersection(argument_types)):
-            continue
-
-        # Using "aname" instead of "name" to make it the first parameter after sorting (for readability sake).
-        result = {"aname": function_name}
-        if return_type in enum_types:
-            result["returnType"] = return_type[2:]
-
-        for enum_type in enum_types:
-            if not enum_type in argument_types:
-                continue
-            result[enum_type[2:]] = [i for i in range(len(argument_types)) if argument_types[i] == enum_type]
-
-        if function_name in hints:
-            result["hints"] = hints[function_name]
-
-        result_json = json.dumps(result, sort_keys=True)
-        if result_json in json_lines:
-            continue
-        json_lines.append(result_json)
-
-    return json_lines
-
-
-def check_injected_script_js_file(jsFileName, json_lines):
-    jsFile = open(jsFileName, "r")
-    source = jsFile.read()
-    jsFile.close()
-
-    missing_lines = []
-    for line in json_lines:
-        if not line in source:
-            missing_lines.append(line)
-
-    if len(missing_lines):
-        print "ERROR: Injected script file is missing %d line(s) of generated code: " % len(missing_lines)
-        for line in missing_lines:
-            print "    %s" % line
-    else:
-        print "OK"
-
-
-def main(argv):
-    if len(argv) < 2:
-        print('Usage: %s path/to/WebGLRenderingContext.idl [path/to/InjectedScriptCanvasModuleSource.js]' % argv[0])
-        return 1
-
-    parsed_webgl_calls = parse_idl_file(argv[1])
-    json_lines = generate_json_lines(parsed_webgl_calls)
-
-    if len(json_lines) < 50:
-        print "WARNING: too few WebGL methods parsed: %d! Something wrong with the IDL file parsing?" % len(json_lines)
-
-    if len(argv) > 2:
-        check_injected_script_js_file(argv[2], json_lines)
-
-if __name__ == '__main__':
-    sys.exit(main(sys.argv))