Mercurial > python-compiler.rs

comparison src/ast_dump.rs @ 91:859d44f143b8

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Implement Bytes in the AST.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sat, 25 Jun 2016 02:08:50 +0100
parents 898876834564
children 7977a52c3202
comparison
equal deleted inserted replaced
90:4e62a8927dcc 91:859d44f143b8
194 arguments.extend(keywords); 194 arguments.extend(keywords);
195 arguments.join(", ") 195 arguments.join(", ")
196 }), 196 }),
197 expr::Num(n) => format!("{}", n), 197 expr::Num(n) => format!("{}", n),
198 expr::Str(s) => format!("\"{}\"", s), 198 expr::Str(s) => format!("\"{}\"", s),
199 expr::Bytes(s) => format!("b\"{}\"", {
200 let mut string = String::with_capacity(s.len());
201 for ascii_code in s {
202 let c = ascii_code as char;
203 if c >= ' ' && c <= '~' {
204 if c == '"' || c == '\\' {
205 string.push('\\');
206 }
207 string.push(c);
208 } else if c == '\t' {
209 string.push_str("\\t");
210 } else if c == '\n' {
211 string.push_str("\\n");
212 } else if c == '\r' {
213 string.push_str("\\r");
214 } else /* if c > '~' */ {
215 let value = format!("\\x{:02x}", ascii_code);
216 string.push_str(value.as_str());
217 }
218 }
219 string
220 }),
199 expr::NameConstant(constant) => match constant { 221 expr::NameConstant(constant) => match constant {
200 name_constant::True => String::from("True"), 222 name_constant::True => String::from("True"),
201 name_constant::False => String::from("False"), 223 name_constant::False => String::from("False"),
202 name_constant::None_ => String::from("None") 224 name_constant::None_ => String::from("None")
203 }, 225 },