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158 lines
4.5 KiB
158 lines
4.5 KiB
#!/usr/bin/env python
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# Copyright 2014 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import json
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import optparse
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import os
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import random
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import shutil
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import subprocess
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import sys
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BLACKLIST = [
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# Skip special d8 functions.
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"load", "os", "print", "read", "readline", "quit"
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]
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def GetRandomObject():
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return random.choice([
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"0", "1", "2.5", "0x1000", "\"string\"", "{foo: \"bar\"}", "[1, 2, 3]",
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"function() { return 0; }"
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])
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g_var_index = 0
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def GetVars(result, num, first = []):
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global g_var_index
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variables = []
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for i in range(num):
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variables.append("__v_%d" % g_var_index)
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g_var_index += 1
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for var in variables:
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result.append("var %s = %s;" % (var, GetRandomObject()))
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return ", ".join(first + variables)
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# Wraps |string| in try..catch.
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def TryCatch(result, string, exception_behavior = ""):
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result.append("try { %s } catch(e) { %s }" % (string, exception_behavior))
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def BuildTests(function, full_name, options):
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assert function["type"] == "function"
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global g_var_index
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g_var_index = 0
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result = ["// AUTO-GENERATED BY tools/generate-builtins-tests.py.\n"]
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result.append("// Function call test:")
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length = function["length"]
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TryCatch(result, "%s(%s);" % (full_name, GetVars(result, length)))
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if "prototype" in function:
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proto = function["prototype"]
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result.append("\n// Constructor test:")
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TryCatch(result,
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"var recv = new %s(%s);" % (full_name, GetVars(result, length)),
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"var recv = new Object();")
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getters = []
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methods = []
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for prop in proto:
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proto_property = proto[prop]
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proto_property_type = proto_property["type"]
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if proto_property_type == "getter":
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getters.append(proto_property)
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result.append("recv.__defineGetter__(\"%s\", "
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"function() { return %s; });" %
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(proto_property["name"], GetVars(result, 1)))
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if proto_property_type == "number":
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result.append("recv.__defineGetter__(\"%s\", "
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"function() { return %s; });" %
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(proto_property["name"], GetVars(result, 1)))
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if proto_property_type == "function":
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methods.append(proto_property)
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if getters:
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result.append("\n// Getter tests:")
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for getter in getters:
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result.append("print(recv.%s);" % getter["name"])
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if methods:
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result.append("\n// Method tests:")
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for method in methods:
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args = GetVars(result, method["length"], ["recv"])
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call = "%s.prototype.%s.call(%s)" % (full_name, method["name"], args)
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TryCatch(result, call)
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filename = os.path.join(options.outdir, "%s.js" % (full_name))
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with open(filename, "w") as f:
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f.write("\n".join(result))
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f.write("\n")
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def VisitObject(obj, path, options):
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obj_type = obj["type"]
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obj_name = "%s%s" % (path, obj["name"])
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if obj_type == "function":
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BuildTests(obj, obj_name, options)
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if "properties" in obj:
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for prop_name in obj["properties"]:
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prop = obj["properties"][prop_name]
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VisitObject(prop, "%s." % (obj_name), options)
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def ClearGeneratedFiles(options):
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if os.path.exists(options.outdir):
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shutil.rmtree(options.outdir)
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def GenerateTests(options):
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ClearGeneratedFiles(options) # Re-generate everything.
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output = subprocess.check_output(
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"%s %s" % (options.d8, options.script), shell=True).strip()
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objects = json.loads(output)
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os.makedirs(options.outdir)
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for obj_name in objects:
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if obj_name in BLACKLIST: continue
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obj = objects[obj_name]
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VisitObject(obj, "", options)
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def BuildOptions():
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result = optparse.OptionParser()
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result.add_option("--d8", help="d8 binary to use",
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default="out/ia32.release/d8")
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result.add_option("--outdir", help="directory where to place generated tests",
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default="test/mjsunit/builtins-gen")
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result.add_option("--script", help="builtins detector script to run in d8",
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default="tools/detect-builtins.js")
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return result
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def Main():
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parser = BuildOptions()
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(options, args) = parser.parse_args()
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if len(args) != 1 or args[0] == "help":
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parser.print_help()
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return 1
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action = args[0]
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if action == "generate":
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GenerateTests(options)
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return 0
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if action == "clear":
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ClearGeneratedFiles(options)
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return 0
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print("Unknown action: %s" % action)
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parser.print_help()
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return 1
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if __name__ == "__main__":
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sys.exit(Main())
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