def test_foo14(self):
def f(this, args):
a = args[0].ToInteger()
return _w(a + 1)
func = JsNativeFunction(f)
from js.jsobj import W__Function
w_func = W__Function(func)
w_global = W_BasicObject()
w_global.put(u'f', w_func)
src = u'''
return f(41);
'''
ast = parse_to_ast(src)
symbol_map = ast.symbol_map
code = ast_to_bytecode(ast, symbol_map)
c = JsGlobalCode(code)
ctx = GlobalExecutionContext(c, w_global)
res = c.run(ctx)
assert res.value == _w(42)
def test_foo14(self):
def f(this, args):
a = args[0].ToInteger()
return _w(a + 1)
func = JsNativeFunction(f)
from js.jsobj import W__Function
w_func = W__Function(func)
w_global = W_BasicObject()
w_global.put(u'f', w_func)
src = u'''
return f(41);
'''
ast = parse_to_ast(src)
symbol_map = ast.symbol_map
code = ast_to_bytecode(ast, symbol_map)
c = JsGlobalCode(code)
ctx = GlobalExecutionContext(c, w_global)
res = c.run(ctx)
assert res.value == _w(42)
def test_get_identifier_reference_empty(self):
obj = W_BasicObject()
lex_env = ObjectEnvironment(obj)
ref = lex_env.get_identifier_reference(u'foo')
assert ref.base_value is None
assert ref.referenced == 'foo'
def test_foo8(self):
symbol_map = SymbolMap()
var_idx_a = symbol_map.add_variable(u'a')
var_idx_b = symbol_map.add_variable(u'b')
var_idx_c = symbol_map.add_variable(u'c')
code = JsCode(symbol_map)
code.emit('LOAD_INTCONSTANT', 21)
code.emit('STORE', var_idx_a, u'a')
code.emit('POP')
code.emit('LOAD_INTCONSTANT', 21)
code.emit('STORE', var_idx_b, u'b')
code.emit('POP')
code.emit('LOAD_VARIABLE', var_idx_a, u'a')
code.emit('LOAD_VARIABLE', var_idx_b, u'b')
code.emit('ADD')
code.emit('STORE', var_idx_c, u'c')
code.emit('RETURN')
f = JsGlobalCode(code)
w_global = W_BasicObject()
ctx = GlobalExecutionContext(f, w_global)
res = f.run(ctx)
lex_env = ctx.variable_environment()
env_rec = lex_env.environment_record
assert env_rec.get_binding_value(u'a') == _w(21)
assert env_rec.get_binding_value(u'b') == _w(21)
assert env_rec.get_binding_value(u'c') == _w(42)
assert res.value == _w(42)
def test_foo20(self):
src = u'''
;
'''
ast = parse_to_ast(src)
symbol_map = ast.symbol_map
code = ast_to_bytecode(ast, symbol_map)
global_code = JsGlobalCode(code)
global_object = W_BasicObject()
global_ctx = GlobalExecutionContext(global_code, global_object)
src = u'''
a = 1;
'''
ast = parse_to_ast(src)
symbol_map = ast.symbol_map
code = ast_to_bytecode(ast, symbol_map)
f = JsEvalCode(code)
ctx = EvalExecutionContext(f, calling_context=global_ctx)
res = f.run(ctx)
assert res.value == _w(1)
def test_foo11(self):
src = u'''
function f(b) {
var c = 21;
return b + c;
}
var a = f(21);
return a;
'''
ast = parse_to_ast(src)
symbol_map = ast.symbol_map
code = ast_to_bytecode(ast, symbol_map)
f = JsGlobalCode(code)
w_global = W_BasicObject()
ctx = GlobalExecutionContext(f, w_global)
res = f.run(ctx)
lex_env = ctx.variable_environment()
env_rec = lex_env.environment_record
assert env_rec.get_binding_value(u'a') == _w(42)
assert env_rec.has_binding(u'b') is False
assert env_rec.has_binding(u'c') is False
assert res.value == _w(42)
def test_foo9(self):
src = u'''
var a = 21;
var b = 21;
var c = a + b;
return c;
'''
ast = parse_to_ast(src)
symbol_map = ast.symbol_map
code = ast_to_bytecode(ast, symbol_map)
f = JsGlobalCode(code)
w_global = W_BasicObject()
ctx = GlobalExecutionContext(f, w_global)
res = f.run(ctx)
lex_env = ctx.variable_environment()
env_rec = lex_env.environment_record
assert env_rec.get_binding_value(u'a') == _w(21)
assert env_rec.get_binding_value(u'b') == _w(21)
assert env_rec.get_binding_value(u'c') == _w(42)
assert res.value == _w(42)
def test_get_identifier_reference(self):
obj = W_BasicObject()
lex_env = ObjectEnvironment(obj)
env_rec = lex_env.environment_record
env_rec.create_mutuable_binding(u'foo', True)
ref = lex_env.get_identifier_reference(u'foo')
assert ref.base_env == env_rec
assert ref.referenced == 'foo'
def test_get_identifier_reference_from_parent(self):
outer_lex_env = DeclarativeEnvironment()
outer_env_rec = outer_lex_env.environment_record
outer_env_rec.create_mutuable_binding(u'foo', True)
obj = W_BasicObject()
lex_env = ObjectEnvironment(obj, outer_lex_env)
ref = lex_env.get_identifier_reference(u'foo')
assert ref.base_env == outer_env_rec
assert ref.referenced == u'foo'
def run_src(self, src):
ast = parse_to_ast(src)
symbol_map = ast.symbol_map
code = ast_to_bytecode(ast, symbol_map)
c = JsGlobalCode(code)
w_global = W_BasicObject()
object_space.global_object = w_global
ctx = GlobalExecutionContext(c, w_global)
res = c.run(ctx)
return res.value
def test_foo12(self):
src = u'''
function fib(n) {
if(n<2) {
return n;
} else {
return fib(n-1) + fib(n-2);
}
}
return fib(10);
'''
ast = parse_to_ast(src)
symbol_map = ast.symbol_map
code = ast_to_bytecode(ast, symbol_map)
f = JsGlobalCode(code)
w_global = W_BasicObject()
ctx = GlobalExecutionContext(f, w_global)
res = f.run(ctx)
assert res.value == _w(55)
def test_define_property(self):
obj = W_BasicObject()
desc = PropertyDescriptor(enumerable=True, configurable=True)
obj.define_own_property(u'foo', desc)
assert obj.has_property(u'foo') is True
def test_define_property(self):
obj = W_BasicObject()
desc = PropertyDescriptor(enumerable=True, configurable=True)
obj.define_own_property(u'foo', desc)
assert obj.has_property(u'foo') is True
def test_put(self):
obj = W_BasicObject()
obj.put(u'foo', 1)
assert obj.get(u'foo') == 1
def test_define_data_property(self):
obj = W_BasicObject()
desc = PropertyDescriptor(value=1)
obj.define_own_property(u'foo', desc)
assert obj.has_property(u'foo') is True
def test_define_data_property(self):
obj = W_BasicObject()
desc = PropertyDescriptor(value=1)
obj.define_own_property(u'foo', desc)
assert obj.has_property(u'foo') is True
def test_get(self):
obj = W_BasicObject()
desc = PropertyDescriptor(value=1, writable=True)
obj.define_own_property(u'foo', desc)
assert obj.get(u'foo') == 1
def test_get(self):
obj = W_BasicObject()
desc = PropertyDescriptor(value=1, writable=True)
obj.define_own_property(u'foo', desc)
assert obj.get(u'foo') == 1
def test_has_property(self):
obj = W_BasicObject()
assert obj.has_property(u'foo') is False
def test_put(self):
obj = W_BasicObject()
obj.put(u'foo', 1)
assert obj.get(u'foo') == 1
def test_has_property(self):
obj = W_BasicObject()
assert obj.has_property(u'foo') is False
def setup_builtins(global_object):
from js.object_space import object_space
# 15.2.4 Properties of the Object Prototype Object
from js.jsobj import W_BasicObject
w_ObjectPrototype = W_BasicObject()
object_space.proto_object = w_ObjectPrototype
# 15.3.2
from js.jsobj import W_FunctionConstructor
w_Function = W_FunctionConstructor()
put_property(global_object, u'Function', w_Function)
# 15.3.4 Properties of the Function Prototype Object
from js.functions import JsNativeFunction
import js.builtins.function
empty_func = JsNativeFunction(js.builtins.function.empty, u'Empty')
w_FunctionPrototype = object_space.new_func(empty_func)
object_space.assign_proto(w_FunctionPrototype, object_space.proto_object)
object_space.proto_function = w_FunctionPrototype
# 15.3.3
object_space.assign_proto(w_Function, object_space.proto_function)
# 15.2 Object Objects
# 15.2.3 Properties of the Object Constructor
from js.jsobj import W_ObjectConstructor
w_Object = W_ObjectConstructor()
object_space.assign_proto(w_Object, object_space.proto_function)
put_property(w_Object, u'length', _w(1))
put_property(global_object, u'Object', w_Object)
# 15.2.3.1 Object.prototype
put_property(w_Object, u'prototype', w_ObjectPrototype, writable=False, configurable=False, enumerable=False)
# 14.2.4.1 Object.prototype.constructor
put_property(w_ObjectPrototype, u'constructor', w_Object)
import js.builtins.object
# 15.2.4.2 Object.prototype.toString()
put_native_function(w_ObjectPrototype, u'toString', js.builtins.object.to_string)
put_native_function(w_ObjectPrototype, u'toLocaleString', js.builtins.object.to_string)
# 15.2.4.3 Object.prototype.valueOf()
put_native_function(w_ObjectPrototype, u'valueOf', js.builtins.object.value_of)
# 15.3 Function Objects
# 15.3.3 Properties of the Function Constructor
# 15.3.3.1 Function.prototype
put_property(w_Function, u'prototype', w_FunctionPrototype, writable=False, configurable=False, enumerable=False)
# 15.3.3.2 Function.length
put_property(w_Function, u'length', _w(1), writable=False, configurable=False, enumerable=False)
# 14.3.4.1 Function.prototype.constructor
put_property(w_FunctionPrototype, u'constructor', w_Function)
# 15.3.4.2 Function.prototype.toString()
put_native_function(w_FunctionPrototype, u'toString', js.builtins.function.to_string)
# 15.3.4.3 Function.prototype.apply
put_intimate_function(w_FunctionPrototype, u'apply', js.builtins.function.js_apply)
# 15.3.4.4 Function.prototype.call
put_intimate_function(w_FunctionPrototype, u'call', js.builtins.function.js_call)
import js.builtins.boolean
js.builtins.boolean.setup(global_object)
import js.builtins.number
js.builtins.number.setup(global_object)
import js.builtins.string
js.builtins.string.setup(global_object)
import js.builtins.array
js.builtins.array.setup(global_object)
import js.builtins.js_math
js.builtins.js_math.setup(global_object)
import js.builtins.date
js.builtins.date.setup(global_object)
import js.builtins.js_global
js.builtins.js_global.setup(global_object)
