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execute_f.py
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execute_f.py
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import numpy as np
#from compile_run import is_number,is_array,get_value
list_arrays = []
def is_number(s):
try:
float(s)
return True
except ValueError:
return False
except TypeError:
return False
def array_lookup(stack_indexes, starting_index,SymbolTable,avail):
global list_arrays
last_index = stack_indexes.pop()
starting_index = get_value(starting_index,SymbolTable=SymbolTable,avail=avail)
lista = list_arrays[int(starting_index)]
for index in stack_indexes:
index = get_value(index,SymbolTable=SymbolTable,avail=avail)
lista = lista[int(index)]
last_index = get_value(last_index,SymbolTable=SymbolTable,avail=avail)
return lista[int(last_index)]
def array_set(list_arrays, stack_indexes, value,SymbolTable,avail):
if(len(stack_indexes)==1):
indice = get_value(stack_indexes[0],SymbolTable=SymbolTable,avail=avail)
list_arrays[int(indice)] = value
else:
indice = get_value(stack_indexes[0],SymbolTable=SymbolTable,avail=avail)
array_set(list_arrays[int(indice)],stack_indexes[1:],value,SymbolTable,avail)
##definicion de la funcion execute
def execute(SymbolTable,cuadruplos,list_arrays_local):
global list_arrays
list_arrays = np.asarray(list_arrays_local)
avail = {}
OP_CODE = ""
PC = 0
OP_CODE = cuadruplos[PC][0]
call_stack = []
while(OP_CODE is not "END"):
OP_CODE = cuadruplos[PC][0]
PC = process_command(SymbolTable,cuadruplos[PC], avail,call_stack,PC)
def process_command(SymbolTable,cuadruplo, avail,call_stack,PC):
OP_CODE= cuadruplo[0]
# JUMP SECTION
if(OP_CODE == "END"):
return
elif(OP_CODE == "CALL"):
#FUNCTION CALL
call_stack.append(PC)
PC = int(cuadruplo[1])
elif(OP_CODE == "GOTOF"):
#GOTO CONDITION FALSE
T = cuadruplo[1]
condicion = avail.get(T)
salto = cuadruplo[2]
#BUscar condicion en avail
if(condicion is not None):
if(condicion==False):
PC = int(salto)
else:
PC = PC +1
else:
raise Exception("T not found in avail (GOTOF)")
elif(OP_CODE == "GOTO"):
# JUMP TO LINE
PC = int(cuadruplo[1])
elif(OP_CODE == "GOTOT"):
# JUMP IF TRUE
T = cuadruplo[1]
condicion = avail.get(T)
salto = cuadruplo[2]
#BUscar condicion en avail
if(condicion is not None):
if(condicion==True):
PC = int(salto)
else:
PC = PC +1
else:
raise Exception("T not found in avail (GOTO)")
elif(OP_CODE == "RETURN"):
PC = call_stack.pop()+1
elif(OP_CODE == "PRINT"):
if(cuadruplo[1]=="\"endl\""):
print("")
elif(cuadruplo[1][0]=="\""):
print(cuadruplo[1][1:-1],end = '')
else:
val = get_value(cuadruplo[1],SymbolTable,avail)
print(str(val),end = '')
PC = PC + 1
elif(OP_CODE == "READ"):
ID = cuadruplo[1]
val = input("")
set_value(ID,SymbolTable, avail, val)
#Look in symbol table
PC = PC +1
else:
# OPERATION
process_command_expression(SymbolTable,cuadruplo, avail,call_stack,PC)
#Increment PC
PC = PC + 1
return PC
def process_command_expression(SymbolTable,cuadruplo, avail,call_stack,PC):
OP_CODE= cuadruplo[0]
res = None
op_2 =get_value(cuadruplo[1],SymbolTable,avail)
#Expresiones artmeticas
if(OP_CODE == "+"):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 + op_2
elif(OP_CODE =="-"):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 - op_2
elif(OP_CODE == "*"):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 * op_2
elif(OP_CODE == "/"):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 / op_2
elif(OP_CODE == "="):
res = get_value(cuadruplo[1],SymbolTable,avail)
#Expresiones logicas
if(OP_CODE == "&&"):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 and op_2
elif(OP_CODE =="||"):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 or op_2
elif(OP_CODE == ">"):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 > op_2
elif(OP_CODE == "<"):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 < op_2
elif(OP_CODE == "=="):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 == op_2
elif(OP_CODE == "!="):
op_1 =get_value(cuadruplo[2],SymbolTable,avail)
res = op_1 != op_2
elif(OP_CODE == "!"):
res = not op_2
set_value(cuadruplo[3],SymbolTable,avail,res)
def set_value(ID,SymbolTable, avail, res):
global list_arrays
if(ID[0]=="["):
ID, stack_indexes= parse_matrix(ID[1:])
starting_index = get_value(ID,SymbolTable,avail)
stack_indexes.insert(0,starting_index)
array_set(list_arrays,stack_indexes,res,SymbolTable, avail)
return
query = SymbolTable.lookup(ID)
if(query is not None):
SymbolTable.update(ID,res)
else:
#Look in avail
T = avail.get(ID)
avail[ID] = res
def parse_matrix(ID_MAT):
LIST_MAT= ID_MAT.split("-")
return LIST_MAT[0], LIST_MAT[1:]
def get_value(ID,SymbolTable,avail):
if(is_number(ID)):
return float(ID)
# Check if it starts with a [
if(ID[0]=="["):
ID, stack_indexes= parse_matrix(ID[1:])
starting_index = get_value(ID,SymbolTable,avail)
ele = array_lookup(stack_indexes=stack_indexes,starting_index=starting_index,SymbolTable=SymbolTable, avail=avail)
return ele
query = SymbolTable.lookup(ID)
if(query is not None):
if(query.tipo == "double"):
return float(query.attributes)
elif(query.tipo == "int"):
return int(query.attributes)
return query.attributes
else:
#Look in avail
T = avail.get(ID)
if(T is not None):
return T
else:
raise Exception(" not found get_value")