def compile_functiondeclaration(context, ast):
assert(isinstance(ast,ast_objects.FunctionDeclaration))
# new context, but need access to outer context
ctx = Context()
fn_index = context.register_variable(ast.name)
for v in context.constants:
ctx.constants.append(v)
for k, v in context.variables.iteritems():
ctx.variables[k] = v
indexes = []
if type(ast.args) is not ast_objects.Null:
for arg in reversed(ast.args.get_statements()):
assert(isinstance(arg,ast_objects.Variable))
name = str(arg.getname())
index = ctx.register_variable(name)
indexes.append(index)
#context.emit(bytecode.STORE_VARIABLE, index)
compile_block(ctx,ast.block)
fn = ctx.build(indexes, name=ast.name)
context.variables[fn_index] = objects.Variable(ast.name,objects.Function(ast.name,fn))
ctx.variables[fn_index] = objects.Variable(ast.name,objects.Function(ast.name,fn))
context.emit(bytecode.LOAD_VARIABLE,fn_index)
def eval_func_literal(self, ast_node, env):
params = ast_node.params
body = ast_node.body
name = ast_node.name
func = objects.Function(params, body, closure=env)
if name is not None:
env.set(name, func)
return func
def evaluate_function_def(self, node, env):
func = objects.Function(node.id, node.params, node.body, env)
env.set(node.id, func)