def rule_18(self, rhs):
""" statement: "CALL" IDENT """
code_set = CodeSet()
l, a = backend.get_procedure(rhs[1].content)
code_set.add_code("CALL", l, a)
statement = Statement(code_set)
return statement
def rule_3(self, rhs):
""" block: const_declaration var_declaration statement """
block = Block(backend.get_current_pos())
code_set = CodeSet()
code_set.add_code("INT", 0, backend.get_var_count())
code_set.append(rhs[2].code_set)
code_set.add_code("OPR", 0, 0)
backend.generate_code(code_set)
backend.pop_var_stack()
backend.pop_procedure_table_stack()
# print ""
return block
def rule_46(self, rhs):
""" factor: IDENT """
code_set = CodeSet()
l, a, t = backend.get_var(rhs[0].content)
if t == 1:
code_set.add_code("LOD", l, a)
else:
code_set.add_code("LIT", 0, a)
factor = Factor(code_set)
return factor
def rule_23(self, rhs):
""" statement: "READ" IDENT """
code_set = CodeSet()
code_set.add_code("OPR", 0, 16)
l, a, t = backend.get_var(rhs[1].content)
if t == 1:
code_set.add_code("STO", l, a)
else:
backend.trigger_error(rhs[1], AssignmentError, "Const Is Not Assignable")
statement = Statement(code_set)
return statement
def rule_47(self, rhs):
""" factor: CONST """
code_set = CodeSet()
code_set.add_code("LIT", 0, int(rhs[0].content))
factor = Factor(code_set)
return factor
def rule_15(self, rhs):
""" statemente: /* empty */ """
code_set = CodeSet()
statemente = Statemente(code_set)
return statemente