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#!/usr/bin/env python
# Copyright 2014 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import js2c
import os
import re
import sys
FILENAME = "src/runtime/runtime.h"
LISTHEAD = re.compile(r"#define\s+(FOR_EACH_\w+)\((\w+)\)")
LISTBODY = re.compile(r".*\\$")
class Function(object):
def __init__(self, match):
self.name = match.group(1).strip()
def ListMacroRe(list):
macro = LISTHEAD.match(list[0]).group(2)
re_string = "\s*%s\((\w+)" % macro
return re.compile(re_string)
def FindLists(filename):
lists = []
current_list = []
mode = "SEARCHING"
with open(filename, "r") as f:
for line in f:
if mode == "SEARCHING":
match = LISTHEAD.match(line)
if match:
mode = "APPENDING"
current_list.append(line)
else:
current_list.append(line)
match = LISTBODY.match(line)
if not match:
mode = "SEARCHING"
lists.append(current_list)
current_list = []
return lists
# Detects runtime functions by parsing FILENAME.
def FindRuntimeFunctions():
functions = []
lists = FindLists(FILENAME)
for list in lists:
function_re = ListMacroRe(list)
for line in list:
match = function_re.match(line)
if match:
functions.append(Function(match))
return functions
class Builtin(object):
def __init__(self, match):
self.name = match.group(1)
def FindJSNatives():
PATH = "src"
fileslist = []
for (root, dirs, files) in os.walk(PATH):
for f in files:
if f.endswith(".js"):
fileslist.append(os.path.join(root, f))
natives = []
regexp = re.compile("^function (\w+)\s*\((.*?)\) {")
matches = 0
for filename in fileslist:
with open(filename, "r") as f:
file_contents = f.read()
file_contents = js2c.ExpandInlineMacros(file_contents)
lines = file_contents.split("\n")
partial_line = ""
for line in lines:
if line.startswith("function") and not '{' in line:
partial_line += line.rstrip()
continue
if partial_line:
partial_line += " " + line.strip()
if '{' in line:
line = partial_line
partial_line = ""
else:
continue
match = regexp.match(line)
if match:
natives.append(Builtin(match))
return natives
def Main():
functions = FindRuntimeFunctions()
natives = FindJSNatives()
errors = 0
runtime_map = {}
for f in functions:
runtime_map[f.name] = 1
for b in natives:
if b.name in runtime_map:
print("JS_Native/Runtime_Function name clash: %s" % b.name)
errors += 1
if errors > 0:
return 1
print("Runtime/Natives name clashes: checked %d/%d functions, all good." %
(len(functions), len(natives)))
return 0
if __name__ == "__main__":
sys.exit(Main())
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