Mercurial > python-compiler.rs

comparison src/ast_dump.rs @ 59:407b3b217928

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Add ast.With.
author Bastien Orivel <eijebong@bananium.fr>
date Sun, 12 Jun 2016 20:14:27 +0200
parents a0b23123901b
children 9f0f457a67f6
comparison
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58:a0b23123901b 59:407b3b217928
1 use python_ast::{Module, stmt, expr, boolop, operator, unaryop, cmpop, arguments, arg, keyword, comprehension}; 1 use python_ast::{Module, stmt, expr, boolop, operator, unaryop, cmpop, arguments, arg, keyword, comprehension, withitem};
2 2
3 use std::iter; 3 use std::iter;
4 4
5 trait to_string_able { 5 trait to_string_able {
6 fn to_string(&self) -> String; 6 fn to_string(&self) -> String;
57 cmpop::GtE => ">=", 57 cmpop::GtE => ">=",
58 cmpop::Is => "is", 58 cmpop::Is => "is",
59 cmpop::IsNot => "is not", 59 cmpop::IsNot => "is not",
60 cmpop::In => "in", 60 cmpop::In => "in",
61 cmpop::NotIn => "not in", 61 cmpop::NotIn => "not in",
62 }
63 }
64 }
65
66 impl to_string_able for withitem {
67 fn to_string(&self) -> String {
68 match self.optional_vars {
69 None => format!("{}", self.context_expr.to_string()),
70 Some(ref optional_var) => format!("{} as {}", self.context_expr.to_string(), optional_var.to_string())
62 } 71 }
63 } 72 }
64 } 73 }
65 74
66 fn vec_to_strings_vec<T: to_string_able>(values: Vec<T>) -> Vec<String> { 75 fn vec_to_strings_vec<T: to_string_able>(values: Vec<T>) -> Vec<String> {
275 Some(msg) => format!(", {}", msg.to_string()), 284 Some(msg) => format!(", {}", msg.to_string()),
276 None => String::new() 285 None => String::new()
277 } 286 }
278 } 287 }
279 ) 288 )
289 },
290 stmt::With(items, body) => {
291 format!("{}with {}:\n{}",
292 current_indent,
293 {
294 let items = vec_to_strings_vec(items);
295 items.join(", ")
296 },
297 statements_to_string(indent, body)
298 )
280 } 299 }
281 } 300 }
282 } 301 }
283 } 302 }
284 303