def p_type(p):
'''type : MATRIX subty
| VECTOR
| SCALAR'''
if len(p) == 3:
if p[2] is None:
p[0] = ast.IdentExp(p[1])
else:
p[0] = ast.QualIdentExp(p[1], p[2])
else:
p[0] = ast.IdentExp(p[1])
def p_subty(p):
'''subty : "." DIA
| empty'''
if p[1] is None:
p[0] = None
else:
p[0] = ast.IdentExp(p[2])
def p_sid(p):
'sid : ID'
p[0] = ast.IdentExp(p[1], p.lineno(1))
def p_prog_b(p):
'''prog : sid IN params '{' stmts '}'
| sid OUT params '{' stmts '}' '''
p[0] = ast.FunDec(p[1], ast.IdentExp('void'), [], p[3], p[5])