def p_exp_12(self, p):
"""exp : function_call"""
print("""exp -> function_call""")
p[0] = Nonterminal()
p[0] = p[1]
p[0].code = p[1].code
p[0].place = p[1].get_value()
p[0].func = 1
def p_unary_operation_2(self, p):
"""unary_operation : NOT exp"""
print("""unary_operation -> NOT exp""")
p[0] = Nonterminal()
p[0].place = self.new_temp()
arg1 = p[1]
arg2 = p[2].value
p[0].code = "L" + str(len(
self.code_list)) + ": " + p[0].place + "=" + arg1 + arg2 + ";"
self.code_list.append(p[0].code)
print(self.code_list)
self.produce_output()
def p_function_call_1(self, p):
"""function_call : lvalue1 function_call_body"""
print("""function_call -> lvalue1 function_call_body""")
p[0] = Nonterminal()
label = self.new_label()
p[0].args = p[2].args
if self.t_counter > -1 :
for i in range(0, self.t_counter):
self.FuncVARIABLES.append("TT"+str(i))
p[0].code = CodeGenerator.storeVariables(self, self.FuncVARIABLES) + CodeGenerator.pushAddress(self,label)
p[0].code += "// store arguments\n" + p[2].code + CodeGenerator.storeArgs(self,p[2].args)+ "\n goto " + p[1].get_value() + ";\n"
p[0].place = self.new_temp()
p[0].code += "// return label:\n" + label + ":\n" + "// load return value\n" + CodeGenerator.popVariable(self,p[0].place) +"\n //varaiables:" + CodeGenerator.loadVariables(self,self.FuncVARIABLES)
print(p[0].code)
print("-------------function call--------------")
def generate_arithmetic_code(self, p, tmp, code_list):
print(
"^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"
)
p[0] = Nonterminal()
p[0].place = tmp
if len(p) == 4:
print(
"^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^4"
)
arg1 = ""
arg2 = ""
if p[1].place == "":
arg1 = p[1].value
else:
arg1 = p[1].place
if p[3].place == "":
arg2 = p[3].value
else:
arg2 = p[3].place
p[0].code = "L" + str(
len(code_list
)) + ": " + p[0].place + "=" + arg1 + p[2] + arg2 + ";"
print(p[0].code)
code_list.append(p[0].code)
print(code_list)
elif len(p) == 3:
print(
"^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^3"
)
arg1 = ""
arg2 = ""
if p[2].place == "":
arg1 = p[2].value
else:
arg1 = p[2].place
p[0].code = "L" + str(
len(code_list)) + ": " + p[0].place + "=" + p[1] + arg1 + ";"
print(p[0].code)
code_list.append(p[0].code)
print(code_list)
def p_exp_10(self, p):
"""exp : unary_operation"""
print("""exp -> unary_operation""")
p[0] = Nonterminal()
p[0].code = p[1].code
p[0].place = p[1].get_value()
def p_exp_7(self, p):
"""exp : logical_operation"""
print("""exp -> logical_operation""")
p[0] = Nonterminal()
p[0].code = p[1].code
p[0].place = p[1].get_value()
def p_exp_6(self, p):
"""exp : binary_operation %prec BIOP"""
print("""exp -> binary_operation""")
p[0] = Nonterminal()
p[0].code = p[1].code
p[0].place = p[1].get_value()
def p_exp_5(self, p):
"""exp : lvalue"""
print("""exp -> lvalue""")
p[0] = Nonterminal()
p[0].place = p[1].place
p[0].ifexp = "if ( " + p[1].place + " ) goto " + self.TRUE_LABEL + ";\n" + "goto " + self.FALSE_LABEL + ";\n\n"
def p_lval1(self, p):
"""lvalue1 : ID"""
print("""lvalue1 -> ID""")
p[0] = Nonterminal()
p[0].place = p[1]
def p_lvalue_2(self, p):
"""lvalue : lvalue2 %prec LVAL"""
p[0] = Nonterminal()
p[0].code = p[1].code
p[0].place = p[1].place
print("""lvalue -> lvalue2""")
def p_exp_11(self, p):
"""exp : LP exp RP"""
print("""exp -> LP exp RP""")
p[0] = Nonterminal()
p[0].place = p[2].place
p[0].code = p[2].code