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_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_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_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 Call(self, args=[], this=None, calling_context=None):
arg_count = len(args)
_args = u''
body = u''
if arg_count == 0:
pass
elif arg_count == 1:
body = args[0].to_string()
else:
first_arg = args[0].to_string()
_args = first_arg
k = 2
while k < arg_count:
next_arg = args[k - 1].to_string()
_args = _args + u',' + next_arg
k = k + 1
body = args[k - 1].to_string()
src = u'function (' + _args + u') { ' + body + u' };'
from js.astbuilder import parse_to_ast
from js.jscode import ast_to_bytecode
ast = parse_to_ast(src)
symbol_map = ast.symbol_map
code = ast_to_bytecode(ast, symbol_map)
# TODO hackish
func = code.opcodes[0].funcobj
from js.object_space import object_space
scope = object_space.get_global_environment()
strict = func.strict
params = func.params()
w_func = object_space.new_func(func, formal_parameter_list=params, scope=scope, strict=strict)
return w_func
def js_eval(ctx):
from rpython.rlib.parsing.parsing import ParseError
from rpython.rlib.parsing.deterministic import LexerError
from js.astbuilder import parse_to_ast
from js.jscode import ast_to_bytecode
from js.jsobj import W_String
from js.functions import JsEvalCode
from js.execution_context import EvalExecutionContext
from js.astbuilder import FakeParseError
from js.exception import JsSyntaxError
args = ctx.argv()
x = get_arg(args, 0)
if not isinstance(x, W_String):
from js.completion import NormalCompletion
return NormalCompletion(value=x)
src = x.to_string()
try:
ast = parse_to_ast(src)
except ParseError, e:
#error = e.errorinformation.failure_reasons
#error_lineno = e.source_pos.lineno
#error_pos = e.source_pos.columnno
#raise JsSyntaxError(msg = unicode(error), src = unicode(src), line = error_lineno, column = error_pos)
raise JsSyntaxError()
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_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_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 js_eval(ctx):
from rpython.rlib.parsing.parsing import ParseError
from rpython.rlib.parsing.deterministic import LexerError
from js.astbuilder import parse_to_ast
from js.jscode import ast_to_bytecode
from js.jsobj import W_String
from js.functions import JsEvalCode
from js.execution_context import EvalExecutionContext
from js.astbuilder import FakeParseError
from js.exception import JsSyntaxError
args = ctx.argv()
x = get_arg(args, 0)
if not isinstance(x, W_String):
from js.completion import NormalCompletion
return NormalCompletion(value=x)
src = x.to_string()
try:
ast = parse_to_ast(src)
except ParseError, e:
#error = e.errorinformation.failure_reasons
#error_lineno = e.source_pos.lineno
#error_pos = e.source_pos.columnno
#raise JsSyntaxError(msg = unicode(error), src = unicode(src), line = error_lineno, column = error_pos)
raise JsSyntaxError()
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 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_foo1(self):
src = u'''
var a = 40;
var b = 2;
a + b;
'''
ast = parse_to_ast(src)
interp = Interpreter()
res = interp.run_ast(ast)
assert res == _w(42)
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_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 run_src(self, src):
from js.astbuilder import parse_to_ast
from js.runistr import decode_str_utf8
ast = parse_to_ast(decode_str_utf8(src))
return self.run_ast(ast)