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comparison src/ast_dump.rs @ 19:0cb53a31ac12

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Implement ast.BoolOp, and improve its display.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 03 Jun 2016 00:55:24 +0100
parents f1c77634a2eb
children 7af637f444d1
comparison
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18:51ef651266b1 19:0cb53a31ac12
3 use std::iter; 3 use std::iter;
4 4
5 impl boolop { 5 impl boolop {
6 fn to_string(&self) -> &'static str { 6 fn to_string(&self) -> &'static str {
7 match *self { 7 match *self {
8 boolop::And => "and", 8 boolop::And => " and ",
9 boolop::Or => "or" 9 boolop::Or => " or "
10 } 10 }
11 } 11 }
12 } 12 }
13 13
14 impl operator { 14 impl operator {
114 result.join(" ") 114 result.join(" ")
115 } 115 }
116 impl expr { 116 impl expr {
117 fn to_string(&self) -> String { 117 fn to_string(&self) -> String {
118 match self.clone() { 118 match self.clone() {
119 expr::BoolOp(op, values) => format!("{}({})", op.to_string(), args_to_string(values)), 119 expr::BoolOp(op, values) => {
120 let mut data = vec!();
121 for value in values {
122 data.push(value.to_string());
123 }
124 data.join(op.to_string())
125 },
120 expr::BinOp(a, op, b) => format!("{} {} {}", a.to_string(), op.to_string(), b.to_string()), 126 expr::BinOp(a, op, b) => format!("{} {} {}", a.to_string(), op.to_string(), b.to_string()),
121 expr::UnaryOp(op, operand) => format!("{}{}", op.to_string(), operand.to_string()), 127 expr::UnaryOp(op, operand) => format!("{}{}", op.to_string(), operand.to_string()),
122 128
123 expr::Compare(left, ops, comparators) => format!("{} {}", left.to_string(), { 129 expr::Compare(left, ops, comparators) => format!("{} {}", left.to_string(), {
124 let mut arguments = vec!(); 130 let mut arguments = vec!();