def test_function_call_unknown_arguments_1(): #IGNORE:C01111 msg = 'Test expression evaluation (calling built in functions), unknown arguments' #skip_test(msg) print msg from freeode.interpreter import (IModule, ExecutionEnvironment, Interpreter, signature, IFloat, RoleVariable, istype, test_allknown) from freeode.ast import NodeFuncCall, NodeIdentifier from freeode.util import aa_make_tree import math #create module where the function lives mod = IModule() #create sqrt function that can be called from Siml @signature([IFloat], IFloat) def sqrt(x): test_allknown(x) return IFloat(math.sqrt(x.value)) #put function into module mod.sqrt = sqrt print print 'Module where function is located: --------------------------------------------' #print aa_make_tree(mod) #create environment for lookup of variables (stack frame) env = ExecutionEnvironment() env.global_scope = mod #create visitor for evaluating the expression intp = Interpreter() intp.push_environment(env) #create a Siml value as function argument val_1 = IFloat() val_1.__siml_role__ = RoleVariable #create function call with unkown argument call = NodeFuncCall(NodeIdentifier('sqrt'), [val_1], {}) #evaluate the function call ret_val = intp.eval(call) print print 'Result object: --------------------------------------------------------------' print aa_make_tree(ret_val) #evaluating a function call with unknown arguments must return a function call assert isinstance(ret_val, NodeFuncCall) assert istype(ret_val, IFloat)
def test_expression_evaluation_4(): #IGNORE:C01111 msg = 'Test expression evaluation (calling built in functions)' #skip_test(msg) print msg from freeode.interpreter import (IModule, ExecutionEnvironment, Interpreter, signature, IFloat) from freeode.util import aa_make_tree import freeode.simlparser as simlparser import math #parse the expression ps = simlparser.Parser() ex = ps.parseExpressionStr('sqrt(2)') print print 'AST (parser output): -----------------------------------------------' #print aa_make_tree(ex) #create module where names live mod = IModule() #create sqrt function that can be called from Siml @signature([IFloat], IFloat) def sqrt(x): return IFloat(math.sqrt(x.value)) #put function into module mod.sqrt = sqrt print print 'Module where function is located: ----------------------------------' #print aa_make_tree(mod) #create environment for lookup of variables (stack frame) env = ExecutionEnvironment() env.global_scope = mod #create visitor for evaluating the expression intp = Interpreter() intp.push_environment(env) #evaluate the expression res = intp.eval(ex) print print 'Result object: -----------------------------------------------------' print aa_make_tree(res) assert res.value == math.sqrt(2)