Mercurial > python-compiler.rs

comparison src/ast_dump.rs @ 55:32c78b275d5a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Implement comprehension’s to_string.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 12 Jun 2016 02:27:57 +0100
parents ad2453a55820
children c3cc16b933d2
comparison
equal deleted inserted replaced
54:ad2453a55820 55:32c78b275d5a
95 } else { 95 } else {
96 format!("{}\n{}else:\n{}", body, make_indent(indent), statements_to_string(indent, orelse)) 96 format!("{}\n{}else:\n{}", body, make_indent(indent), statements_to_string(indent, orelse))
97 } 97 }
98 } 98 }
99 99
100 fn generators_to_string(generators: Vec<comprehension>) -> String { 100 impl to_string_able for comprehension {
101 let mut result = vec!(); 101 fn to_string(&self) -> String {
102 for generator in generators { 102 let mut result = vec!();
103 result.push(format!("for {} in {}", generator.target.to_string(), generator.iter.to_string())); 103 result.push(format!("for {} in {}", self.target.to_string(), self.iter.to_string()));
104 for if_ in generator.ifs { 104 for if_ in self.ifs.clone() {
105 result.push(format!("if {}", if_.to_string())) 105 result.push(format!("if {}", if_.to_string()))
106 } 106 }
107 } 107 result.join(" ")
108 result.join(" ") 108 }
109 } 109 }
110 110
111 impl to_string_able for expr { 111 impl to_string_able for expr {
112 fn to_string(&self) -> String { 112 fn to_string(&self) -> String {
113 match self.clone() { 113 match self.clone() {
153 expr::Str(s) => format!("\"{}\"", s), 153 expr::Str(s) => format!("\"{}\"", s),
154 expr::NameConstant(name) => format!("{}", name), 154 expr::NameConstant(name) => format!("{}", name),
155 expr::Attribute(value, attr, ctx) => format!("{}.{}", value.to_string(), attr), 155 expr::Attribute(value, attr, ctx) => format!("{}.{}", value.to_string(), attr),
156 expr::Name(name, ctx) => format!("{}", name), 156 expr::Name(name, ctx) => format!("{}", name),
157 expr::List(elts, ctx) => format!("[{}]", vec_to_strings_vec(elts).join(", ")), 157 expr::List(elts, ctx) => format!("[{}]", vec_to_strings_vec(elts).join(", ")),
158 expr::ListComp(elt, generators) => format!("[{} {}]", elt.to_string(), generators_to_string(generators)), 158 expr::ListComp(elt, generators) => format!("[{} {}]", elt.to_string(), vec_to_strings_vec(generators).join(" ")),
159 expr::DictComp(key, value, generators) => format!("{{{}: {} {}}}", key.to_string(), value.to_string(), generators_to_string(generators)), 159 expr::DictComp(key, value, generators) => format!("{{{}: {} {}}}", key.to_string(), value.to_string(), vec_to_strings_vec(generators).join(" ")),
160 expr::Tuple(elts, ctx) => format!("({})", vec_to_strings_vec(elts).join(", ")), 160 expr::Tuple(elts, ctx) => format!("({})", vec_to_strings_vec(elts).join(", ")),
161 expr::Ellipsis => format!("..."), 161 expr::Ellipsis => format!("..."),
162 } 162 }
163 } 163 }
164 } 164 }