def p_expression_uminus(p):
'''expression : ADD_OP expression %prec UMINUS'''
#p[0] = ast.OpNode(p[1], [0, p[2]]) #faux : insert 0
#p[0] = ast.OpNode(p[1], [ast.TokenNode(0), p[2]]) #correct binaire : insert tokenNode(0)
p[0] = ast.OpNode(p[1], [p[2]]) #correct unaire : insert tokenNode(0)
def p_expression_uminus(p):
'''expression : ADD_OP expression %prec UMINUS'''
p[0] = ast.OpNode(p[1], [0, p[2]])
def p_expression_op(p) :
'''expression : expression ADD_OP expression
| expression MUL_OP expression'''
p[0] = ast.OpNode(p[2], [p[1], p[3]])
def p_expression_op(p):
'''expression : expression ADD_OP expression
| expression MUL_OP expression'''
# Stock into AST graph
p[0] = ast.OpNode(p[2], [p[1], p[3]])