def p_vrn1(t):
'''vrn : SPVAR
| RVAR'''
if t[1] == "$sp":
t[0] = Assignment(0, RegisterType.SPVAR, None,
t.lexer.lexdata[0:t.lexer.lexpos].count("\n") + 1)
elif t[1] == "$ra":
t[0] = Assignment(0, RegisterType.RVAR, None,
t.lexer.lexdata[0:t.lexer.lexpos].count("\n") + 1)
def p_vrn(t):
'''vrn : TVAR
| AVAR
| VVAR
| SVAR'''
type_ = str(t[1][1:2])
idxVar = int(t[1][2:])
if type_ == "t":
t[0] = Assignment(idxVar, RegisterType.TVAR, None,
t.lexer.lexdata[0:t.lexer.lexpos].count("\n") + 1)
elif type_ == "a":
t[0] = Assignment(idxVar, RegisterType.AVAR, None,
t.lexer.lexdata[0:t.lexer.lexpos].count("\n") + 1)
elif type_ == "v":
t[0] = Assignment(idxVar, RegisterType.VVAR, None,
t.lexer.lexdata[0:t.lexer.lexpos].count("\n") + 1)
elif type_ == "s":
t[0] = Assignment(idxVar, RegisterType.SVAR, None,
t.lexer.lexdata[0:t.lexer.lexpos].count("\n") + 1)
def p_vrn_sp(t):
'''vrn : SPVAR'''
t[0] = Assignment(0, RegisterType.SPVAR, None,
t.lexer.lexdata[0:t.lexer.lexpos].count("\n") + 1)
def p_vrn_s(t):
'''vrn : SVAR'''
idxVar = int(t[1][2:])
t[0] = Assignment(idxVar, RegisterType.SVAR, None,
t.lexer.lexdata[0:t.lexer.lexpos].count("\n") + 1)