def test_foo7(self):
symbol_map = SymbolMap()
var_idx_a = symbol_map.add_variable(u'a')
var_idx_b = symbol_map.add_symbol(u'b')
code = JsCode(symbol_map)
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_b, u'b')
code.emit('RETURN')
outer_env = DeclarativeEnvironment()
outer_env_rec = outer_env.environment_record
f = JsFunction(u'foo', code)
ctx = FunctionExecutionContext(f, scope=outer_env)
lex_env = ctx.variable_environment()
env_rec = lex_env.environment_record
env_rec.set_mutable_binding(u'a', _w(21), False)
outer_env_rec.create_mutuable_binding(u'b', True)
outer_env_rec.set_mutable_binding(u'b', _w(21), False)
res = f.run(ctx)
assert env_rec.get_binding_value(u'a') == _w(21)
assert outer_env_rec.get_binding_value(u'b') == _w(42)
assert res.value == _w(42)
def test_foo5(self):
symbol_map = SymbolMap()
var_idx_a = symbol_map.add_variable(u'a')
var_idx_b = symbol_map.add_parameter(u'b')
code = JsCode(symbol_map)
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_a, u'a')
code.emit('RETURN')
f = JsFunction(u'foo', code)
ctx = FunctionExecutionContext(f,
formal_parameters=[u'b'],
argv=[_w(21)])
lex_env = ctx.variable_environment()
env_rec = lex_env.environment_record
env_rec.set_mutable_binding(u'a', _w(21), False)
res = f.run(ctx)
assert env_rec.get_binding_value(u'a') == _w(42)
assert res.value == _w(42)
def test_foo7(self):
symbol_map = SymbolMap()
var_idx_a = symbol_map.add_variable(u'a')
var_idx_b = symbol_map.add_symbol(u'b')
code = JsCode(symbol_map)
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_b, u'b')
code.emit('RETURN')
outer_env = DeclarativeEnvironment()
outer_env_rec = outer_env.environment_record
f = JsFunction(u'foo', code)
ctx = FunctionExecutionContext(f, scope=outer_env)
lex_env = ctx.variable_environment()
env_rec = lex_env.environment_record
env_rec.set_mutable_binding(u'a', _w(21), False)
outer_env_rec.create_mutuable_binding(u'b', True)
outer_env_rec.set_mutable_binding(u'b', _w(21), False)
res = f.run(ctx)
assert env_rec.get_binding_value(u'a') == _w(21)
assert outer_env_rec.get_binding_value(u'b') == _w(42)
assert res.value == _w(42)
def test_foo2(self):
code = JsCode()
code.emit('LOAD_INTCONSTANT', 1)
code.emit('LOAD_INTCONSTANT', 1)
code.emit('ADD')
code.emit('RETURN')
f = JsFunction(u'foo', code)
ctx = FunctionExecutionContext(f)
res = f.run(ctx)
assert res.value == _w(2)
def test_foo2(self):
code = JsCode()
code.emit('LOAD_INTCONSTANT', 1)
code.emit('LOAD_INTCONSTANT', 1)
code.emit('ADD')
code.emit('RETURN')
f = JsFunction(u'foo', code)
ctx = FunctionExecutionContext(f)
res = f.run(ctx)
assert res.value == _w(2)
def test_foo3(self):
symbol_map = SymbolMap()
var_idx = symbol_map.add_parameter(u'a')
code = JsCode(symbol_map)
code.emit('LOAD_VARIABLE', var_idx, u'a')
code.emit('RETURN')
f = JsFunction(u'foo', code)
ctx = FunctionExecutionContext(f, argv=[_w(42)])
res = f.run(ctx)
assert res.value == _w(42)
def test_foo3(self):
symbol_map = SymbolMap()
var_idx = symbol_map.add_parameter(u'a')
code = JsCode(symbol_map)
code.emit('LOAD_VARIABLE', var_idx, u'a')
code.emit('RETURN')
f = JsFunction(u'foo', code)
ctx = FunctionExecutionContext(f, argv=[_w(42)])
res = f.run(ctx)
assert res.value == _w(42)
def test_foo4(self):
symbol_map = SymbolMap()
var_idx_a = symbol_map.add_variable(u'a')
var_idx_b = symbol_map.add_parameter(u'b')
code = JsCode(symbol_map)
code.emit('LOAD_VARIABLE', var_idx_a, u'a')
code.emit('LOAD_VARIABLE', var_idx_b, u'b')
code.emit('ADD')
code.emit('RETURN')
f = JsFunction(u'foo', code)
ctx = FunctionExecutionContext(f, formal_parameters=[u'b'], argv=[_w(21)])
lex = ctx.variable_environment()
env_rec = lex.environment_record
env_rec.set_mutable_binding(u'a', _w(21), False)
res = f.run(ctx)
assert res.value == _w(42)
def emit(self, bytecode):
from jscode import ast_to_bytecode
body_code = ast_to_bytecode(self.body_ast, self.symbol_map)
body_code.emit('LOAD_UNDEFINED')
from js.functions import JsFunction
name = self.name
jsfunc = JsFunction(name, body_code)
index = self.index
bytecode.emit('LOAD_FUNCTION', jsfunc)
if index is not None:
bytecode.emit('STORE', index, name)