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annotate src/ast_dump.rs @ 69:a73eaf42bea1

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Add ast.AsyncDefFunction.
author Bastien Orivel <eijebong@bananium.fr>
date Mon, 13 Jun 2016 17:54:19 +0200
parents c59ad5ccd8a6
children 2c1e2ce41263
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
68
c59ad5ccd8a6 Add ast.Try
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1 use python_ast::{Module, stmt, expr, boolop, operator, unaryop, cmpop, arguments, arg, keyword, comprehension, withitem, excepthandler};
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211b0df72e64 Hello world!
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2
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3 use std::iter;
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4
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5 trait to_string_able {
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6 fn to_string(&self) -> String;
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7 }
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8
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9 impl boolop {
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10 fn to_string(&self) -> &'static str {
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11 match *self {
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12 boolop::And => " and ",
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13 boolop::Or => " or "
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14 }
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15 }
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16 }
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17
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18 impl operator {
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19 fn to_string(&self) -> &'static str {
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20 match *self {
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21 operator::Add => "+",
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22 operator::Sub => "-",
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23 operator::Mult => "*",
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24 operator::MatMult => "@",
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25 operator::Div => "/",
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26 operator::Mod => "%",
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27 operator::Pow => "**",
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28 operator::LShift => "<<",
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29 operator::RShift => ">>",
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30 operator::BitOr => "|",
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31 operator::BitXor => "^",
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32 operator::BitAnd => "&",
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33 operator::FloorDiv => "//",
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34 }
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35 }
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36 }
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37
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38 impl unaryop {
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39 fn to_string(&self) -> &'static str {
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40 match *self {
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41 unaryop::Invert => "~",
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42 unaryop::Not => "not ",
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43 unaryop::UAdd => "+",
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44 unaryop::USub => "-"
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45 }
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46 }
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47 }
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48
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49 impl cmpop {
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50 fn to_string(&self) -> &'static str {
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51 match *self {
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52 cmpop::Eq => "==",
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53 cmpop::NotEq => "!=",
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54 cmpop::Lt => "<",
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55 cmpop::LtE => "<=",
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56 cmpop::Gt => ">",
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57 cmpop::GtE => ">=",
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58 cmpop::Is => "is",
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59 cmpop::IsNot => "is not",
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60 cmpop::In => "in",
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61 cmpop::NotIn => "not in",
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62 }
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63 }
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64 }
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65
59
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66 impl to_string_able for withitem {
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67 fn to_string(&self) -> String {
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68 match self.optional_vars {
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69 None => format!("{}", self.context_expr.to_string()),
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70 Some(ref optional_var) => format!("{} as {}", self.context_expr.to_string(), optional_var.to_string())
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71 }
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72 }
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73 }
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74
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75 fn vec_to_strings_vec<T: to_string_able>(values: Vec<T>) -> Vec<String> {
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76 let mut vector = vec!();
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77 for value in values {
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78 vector.push(value.to_string());
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79 }
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80 vector
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81 }
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82
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83 impl to_string_able for keyword {
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84 fn to_string(&self) -> String {
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85 match self.arg.clone() {
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86 Some(arg) => format!("{}={}", arg, self.value.to_string()),
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87 None => format!("**{}", self.value.to_string())
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88 }
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89 }
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90 }
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91
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92 fn statements_to_string(indent: usize, body: Vec<stmt>) -> String {
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93 let mut statements = vec!();
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94 for statement in body {
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95 statements.push(statement.to_string(indent + 1));
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96 }
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97 statements.join("\n")
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98 }
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99
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100 fn if_else_statements_to_string(indent: usize, body: Vec<stmt>, orelse: Vec<stmt>) -> String {
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101 let body = statements_to_string(indent, body);
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102 if orelse.is_empty() {
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103 body
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104 } else {
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105 format!("{}\n{}else:\n{}", body, make_indent(indent), statements_to_string(indent, orelse))
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106 }
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107 }
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108
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109 impl to_string_able for comprehension {
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110 fn to_string(&self) -> String {
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111 let mut result = vec!();
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112 result.push(format!("for {} in {}", self.target.to_string(), self.iter.to_string()));
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113 for if_ in self.ifs.clone() {
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114 result.push(format!("if {}", if_.to_string()))
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115 }
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116 result.join(" ")
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117 }
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118 }
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119
68
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120 impl excepthandler {
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121 fn to_string(self, indent: usize) -> String {
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122 let current_indent = make_indent(indent);
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123 format!("{}except {}{}:\n{}",
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124 current_indent,
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125 match self.type_ {
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126 None => String::new(),
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127 Some(ref type_) => type_.to_string()
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128 },
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129 match self.name {
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130 None => String::new(),
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131 Some(ref name) => format!(" as {}", name)
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132 },
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133 statements_to_string(indent, self.body)
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134 )
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135 }
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136 }
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137
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138 impl to_string_able for expr {
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139 fn to_string(&self) -> String {
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140 match self.clone() {
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141 expr::BoolOp(op, values) => {
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142 let mut data = vec!();
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143 for value in values {
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144 data.push(value.to_string());
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145 }
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146 data.join(op.to_string())
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147 },
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148 expr::BinOp(a, op, b) => format!("{} {} {}", a.to_string(), op.to_string(), b.to_string()),
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149 expr::UnaryOp(op, operand) => format!("{}{}", op.to_string(), operand.to_string()),
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150
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151 expr::Compare(left, ops, comparators) => format!("{} {}", left.to_string(), {
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152 let mut arguments = vec!();
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153
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154 // XXX: wrong order!
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155 for op in ops {
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156 arguments.push(op.to_string().to_string())
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157 }
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158 for comparator in comparators {
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159 arguments.push(comparator.to_string())
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160 }
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161 /*
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162 for (op, comparator) in ops.zip(comparators) {
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163 let op = op.unwrap();
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164 let comparator = comparator.unwrap();
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165 arguments.push(format!("{} {}", op.to_string(), comparator.to_string()))
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166 }
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167 */
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168
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169 arguments.join(" ")
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170 }),
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171 expr::Call(func, args, keywords) => format!("{}({})", func.to_string(), {
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172 let mut arguments = vec!();
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173 let args = vec_to_strings_vec(args);
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174 let keywords = vec_to_strings_vec(keywords);
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175 arguments.extend(args);
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176 arguments.extend(keywords);
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177 arguments.join(", ")
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178 }),
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179 expr::Num(n) => format!("{}", n),
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180 expr::Str(s) => format!("\"{}\"", s),
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181 expr::NameConstant(name) => format!("{}", name),
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182 expr::Attribute(value, attr, _) => format!("{}.{}", value.to_string(), attr),
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183 expr::Name(name, _) => format!("{}", name),
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184 expr::List(elts, _) => format!("[{}]", vec_to_strings_vec(elts).join(", ")),
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185 expr::ListComp(elt, generators) => format!("[{} {}]", elt.to_string(), vec_to_strings_vec(generators).join(" ")),
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186 expr::DictComp(key, value, generators) => format!("{{{}: {} {}}}", key.to_string(), value.to_string(), vec_to_strings_vec(generators).join(" ")),
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187 expr::Tuple(elts, _) => format!("({})", vec_to_strings_vec(elts).join(", ")),
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188 expr::Ellipsis => format!("..."),
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189 }
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190 }
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191 }
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192
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193 impl to_string_able for arg {
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194 fn to_string(&self) -> String {
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195 match self.annotation {
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196 None => self.arg.clone(),
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197 Some(ref annotation) => format!("{}: {}", self.arg, annotation.to_string())
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198 }
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199 }
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200 }
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201
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202 impl to_string_able for arguments {
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203 fn to_string(&self) -> String {
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204 let mut args = vec!();
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205 let num_args = self.args.len();
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206 let num_defaults = self.defaults.len();
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207
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208 let mut normal_args = self.args.clone();
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209 let defaulted_args = normal_args.split_off(num_args - num_defaults);
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210 for arg in normal_args {
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211 args.push(arg.to_string());
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212 }
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213 for (arg, default) in defaulted_args.iter().zip(self.defaults.iter()) {
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214 args.push(format!("{}={}", arg.to_string(), default.to_string()));
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215 }
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216
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217 if !self.kwonlyargs.is_empty() {
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218 match self.vararg {
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219 None => args.push("*".to_string()),
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220 Some(ref vararg) => args.push(format!("*{}", vararg.to_string())),
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221 }
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222 }
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223 for (arg, default) in self.kwonlyargs.iter().zip(self.kw_defaults.iter()) {
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224 let arg = arg.to_string();
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225 match *default {
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226 Some(ref default) => args.push(format!("{}={}", arg, default.to_string())),
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227 None => args.push(arg)
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228 }
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229 }
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230 match self.kwarg {
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231 Some(ref kwarg) => args.push(format!("**{}", kwarg.to_string())),
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232 None => ()
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233 }
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234 args.join(", ")
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235 }
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236 }
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237
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238 fn make_indent(indent: usize) -> String {
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239 iter::repeat(" ").take(indent).collect()
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240 }
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241
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242 fn decorator_list_to_string(decorator_list: Vec<expr>, indent: usize) -> String {
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243 let current_indent = make_indent(indent);
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244 let decorators = vec_to_strings_vec(decorator_list);
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245 if decorators.is_empty() {
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246 String::new()
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247 } else {
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248 format!("{}@{}\n",
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249 current_indent,
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250 decorators.join(format!("\n{}@", current_indent).as_str())
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251 )
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252 }
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253 }
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254
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255 impl stmt {
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256 fn to_string(&self, indent: usize) -> String {
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257 let current_indent = make_indent(indent);
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258 match self.clone() {
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259 stmt::ClassDef(name, bases, keywords, body, decorator_list) => {
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260 format!("{}{}class {}({}):\n{}",
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261 decorator_list_to_string(decorator_list, indent),
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262 current_indent,
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263 name,
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264 {
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265 let mut arguments = vec!();
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266 let bases = vec_to_strings_vec(bases);
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267 let keywords = vec_to_strings_vec(keywords);
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diff changeset
268 arguments.extend(bases);
8ce78e2ba48c Implement class keywords.
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parents: 66
diff changeset
269 arguments.extend(keywords);
8ce78e2ba48c Implement class keywords.
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parents: 66
diff changeset
270 arguments.join(", ")
8ce78e2ba48c Implement class keywords.
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parents: 66
diff changeset
271 },
65
ce5e27a3f277 Add ClassDef.decorator_list support.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 64
diff changeset
272 statements_to_string(indent, body)
ce5e27a3f277 Add ClassDef.decorator_list support.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 64
diff changeset
273 )
ce5e27a3f277 Add ClassDef.decorator_list support.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 64
diff changeset
274 },
69
a73eaf42bea1 Add ast.AsyncDefFunction.
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parents: 68
diff changeset
275 stmt::FunctionDef(name, arguments, body, decorator_list, returns, async) => {
a73eaf42bea1 Add ast.AsyncDefFunction.
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parents: 68
diff changeset
276 format!("{}{}{}def {}({}){}:\n{}",
65
ce5e27a3f277 Add ClassDef.decorator_list support.
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parents: 64
diff changeset
277 decorator_list_to_string(decorator_list, indent),
69
a73eaf42bea1 Add ast.AsyncDefFunction.
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parents: 68
diff changeset
278 if async { "async " } else { "" },
63
5df52b40fe54 Implement FunctionDef.returns.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 62
diff changeset
279 current_indent,
5df52b40fe54 Implement FunctionDef.returns.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 62
diff changeset
280 name,
5df52b40fe54 Implement FunctionDef.returns.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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diff changeset
281 arguments.to_string(),
5df52b40fe54 Implement FunctionDef.returns.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 62
diff changeset
282 match returns {
5df52b40fe54 Implement FunctionDef.returns.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 62
diff changeset
283 None => String::new(),
5df52b40fe54 Implement FunctionDef.returns.
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parents: 62
diff changeset
284 Some(returns) => format!(" -> {}", returns.to_string())
5df52b40fe54 Implement FunctionDef.returns.
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parents: 62
diff changeset
285 },
5df52b40fe54 Implement FunctionDef.returns.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 62
diff changeset
286 statements_to_string(indent, body)
5df52b40fe54 Implement FunctionDef.returns.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 62
diff changeset
287 )
5df52b40fe54 Implement FunctionDef.returns.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 62
diff changeset
288 }
13
38b0d63697b1 Import the full AST grammar from CPython 3.5.
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diff changeset
289 stmt::Global(names) => format!("{}global {}", current_indent, names.join(", ")),
51
ded1907b7a69 Add ast.Nonlocal.
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parents: 50
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290 stmt::Nonlocal(names) => format!("{}nonlocal {}", current_indent, names.join(", ")),
13
38b0d63697b1 Import the full AST grammar from CPython 3.5.
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parents: 8
diff changeset
291 stmt::If(test, body, orelse) => format!("{}if {}:\n{}", current_indent, test.to_string(), if_else_statements_to_string(indent, body, orelse)),
38b0d63697b1 Import the full AST grammar from CPython 3.5.
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parents: 8
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292 stmt::While(test, body, orelse) => format!("{}while {}:\n{}", current_indent, test.to_string(), if_else_statements_to_string(indent, body, orelse)),
38b0d63697b1 Import the full AST grammar from CPython 3.5.
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parents: 8
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293 stmt::For(target, iter, body, orelse) => format!("{}for {} in {}:\n{}", current_indent, target.to_string(), iter.to_string(), if_else_statements_to_string(indent, body, orelse)),
54
ad2453a55820 Refactor all Vec<T> -> Vec<String> functions into a single one.
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294 stmt::Assign(targets, value) => format!("{}{} = {}", current_indent, vec_to_strings_vec(targets).join(", "), value.to_string()),
13
38b0d63697b1 Import the full AST grammar from CPython 3.5.
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295 stmt::AugAssign(target, op, value) => format!("{}{} {}= {}", current_indent, target.to_string(), op.to_string(), value.to_string()),
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parents: 8
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296 stmt::Return(expr) => format!("{}return{}", current_indent, match expr {
38b0d63697b1 Import the full AST grammar from CPython 3.5.
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297 Some(expr) => format!(" {}", expr.to_string()),
58
a0b23123901b Replace "".to_string() and format!("") by String::new().
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parents: 57
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298 None => String::new()
0
211b0df72e64 Hello world!
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299 }),
48
039f85b187f2 Also handle relative imports.
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300 stmt::ImportFrom(module, names, level) => {
039f85b187f2 Also handle relative imports.
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301 format!("{}from {}{} import {}",
039f85b187f2 Also handle relative imports.
Bastien Orivel <eijebong@bananium.fr>
parents: 47
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302 current_indent,
66
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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diff changeset
303 match level {
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diff changeset
304 None => String::new(),
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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diff changeset
305 Some(level) => iter::repeat(".").take(level).collect()
48
039f85b187f2 Also handle relative imports.
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parents: 47
diff changeset
306 },
039f85b187f2 Also handle relative imports.
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parents: 47
diff changeset
307 module.to_string(),
039f85b187f2 Also handle relative imports.
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parents: 47
diff changeset
308 {
039f85b187f2 Also handle relative imports.
Bastien Orivel <eijebong@bananium.fr>
parents: 47
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309 let mut names_ = vec!();
039f85b187f2 Also handle relative imports.
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parents: 47
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310 for name in names {
66
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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diff changeset
311 names_.push(
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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diff changeset
312 match name.asname {
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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diff changeset
313 None => name.name,
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
314 Some(asname) => format!("{} as {}", name.name, asname)
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
315 }
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
316 )
48
039f85b187f2 Also handle relative imports.
Bastien Orivel <eijebong@bananium.fr>
parents: 47
diff changeset
317 }
039f85b187f2 Also handle relative imports.
Bastien Orivel <eijebong@bananium.fr>
parents: 47
diff changeset
318 names_.join(", ")
44
5f1d285471af Finish ImportFrom conversion and add a test for it.
Bastien Orivel <eijebong@bananium.fr>
parents: 38
diff changeset
319 }
48
039f85b187f2 Also handle relative imports.
Bastien Orivel <eijebong@bananium.fr>
parents: 47
diff changeset
320 )
039f85b187f2 Also handle relative imports.
Bastien Orivel <eijebong@bananium.fr>
parents: 47
diff changeset
321 },
47
38f59b0efc2c Handle Import and add a test for it.
Bastien Orivel <eijebong@bananium.fr>
parents: 44
diff changeset
322 stmt::Import(names) => format!("{}import {}", current_indent, {
38f59b0efc2c Handle Import and add a test for it.
Bastien Orivel <eijebong@bananium.fr>
parents: 44
diff changeset
323 let mut names_ = vec!();
38f59b0efc2c Handle Import and add a test for it.
Bastien Orivel <eijebong@bananium.fr>
parents: 44
diff changeset
324 for name in names {
66
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
325 names_.push(
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
326 match name.asname {
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
327 None => name.name,
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
328 Some(asname) => format!("{} as {}", name.name, asname)
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
329 }
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
330 )
47
38f59b0efc2c Handle Import and add a test for it.
Bastien Orivel <eijebong@bananium.fr>
parents: 44
diff changeset
331 }
38f59b0efc2c Handle Import and add a test for it.
Bastien Orivel <eijebong@bananium.fr>
parents: 44
diff changeset
332 names_.join(", ")
38f59b0efc2c Handle Import and add a test for it.
Bastien Orivel <eijebong@bananium.fr>
parents: 44
diff changeset
333 }),
13
38b0d63697b1 Import the full AST grammar from CPython 3.5.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 8
diff changeset
334 stmt::Expr(expr) => format!("{}{}", current_indent, expr.to_string()),
21
7af637f444d1 Add ast.Delete
Bastien Orivel <eijebong@bananium.fr>
parents: 19
diff changeset
335 stmt::Break => format!("{}break", current_indent),
54
ad2453a55820 Refactor all Vec<T> -> Vec<String> functions into a single one.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 53
diff changeset
336 stmt::Delete(targets) => format!("{}del {}", current_indent, vec_to_strings_vec(targets).join(", ")),
50
5edbc24b625f Add ast.Continue.
Bastien Orivel <eijebong@bananium.fr>
parents: 49
diff changeset
337 stmt::Pass => format!("{}pass", current_indent),
57
e5a808ec31c0 Add ast.Assert.
Bastien Orivel <eijebong@bananium.fr>
parents: 56
diff changeset
338 stmt::Continue => format!("{}continue", current_indent),
e5a808ec31c0 Add ast.Assert.
Bastien Orivel <eijebong@bananium.fr>
parents: 56
diff changeset
339 stmt::Assert(test, msg) => {
e5a808ec31c0 Add ast.Assert.
Bastien Orivel <eijebong@bananium.fr>
parents: 56
diff changeset
340 format!("{}assert {}{}",
e5a808ec31c0 Add ast.Assert.
Bastien Orivel <eijebong@bananium.fr>
parents: 56
diff changeset
341 current_indent,
e5a808ec31c0 Add ast.Assert.
Bastien Orivel <eijebong@bananium.fr>
parents: 56
diff changeset
342 test.to_string(),
66
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
343 match msg {
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
344 None => String::new(),
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
345 Some(msg) => format!(", {}", msg.to_string())
57
e5a808ec31c0 Add ast.Assert.
Bastien Orivel <eijebong@bananium.fr>
parents: 56
diff changeset
346 }
e5a808ec31c0 Add ast.Assert.
Bastien Orivel <eijebong@bananium.fr>
parents: 56
diff changeset
347 )
59
407b3b217928 Add ast.With.
Bastien Orivel <eijebong@bananium.fr>
parents: 58
diff changeset
348 },
407b3b217928 Add ast.With.
Bastien Orivel <eijebong@bananium.fr>
parents: 58
diff changeset
349 stmt::With(items, body) => {
407b3b217928 Add ast.With.
Bastien Orivel <eijebong@bananium.fr>
parents: 58
diff changeset
350 format!("{}with {}:\n{}",
407b3b217928 Add ast.With.
Bastien Orivel <eijebong@bananium.fr>
parents: 58
diff changeset
351 current_indent,
66
32550e12aedf Simplify some expressions in ast_dump.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 65
diff changeset
352 vec_to_strings_vec(items).join(", "),
59
407b3b217928 Add ast.With.
Bastien Orivel <eijebong@bananium.fr>
parents: 58
diff changeset
353 statements_to_string(indent, body)
407b3b217928 Add ast.With.
Bastien Orivel <eijebong@bananium.fr>
parents: 58
diff changeset
354 )
60
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
355 },
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
356 stmt::Raise(exc, cause) => {
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
357 format!("{}raise{}{}",
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
358 current_indent,
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
359 match exc {
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
360 None => String::new(),
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
361 Some(ref exc) => format!(" {}", exc.to_string())
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
362 },
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
363 match cause {
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
364 None => String::new(),
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
365 Some(ref cause) => format!(" from {}", cause.to_string())
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
366 }
9f0f457a67f6 Add ast.Raise.
Bastien Orivel <eijebong@bananium.fr>
parents: 59
diff changeset
367 )
68
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
368 },
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
369 stmt::Try(body, excepthandlers, orelse, finalbody) => {
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
370 format!("{}try:\n{}\n{}{}\n{}",
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
371 current_indent,
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
372 statements_to_string(indent, body),
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
373 {
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
374 let mut excepthandlers_ = vec!();
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
375 for excepthandler in excepthandlers {
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
376 let excepthandler = excepthandler.to_string(indent);
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
377 excepthandlers_.push(excepthandler);
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
378 }
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
379 excepthandlers_.join("\n")
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
380 },
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
381 if !orelse.is_empty() {
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
382 format!("{}else:\n{}", current_indent, statements_to_string(indent, orelse))
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
383 } else {
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
384 String::new()
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
385 },
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
386 if !finalbody.is_empty() {
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
387 format!("{}finally:\n{}", current_indent, statements_to_string(indent, finalbody))
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
388 } else {
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
389 String::new()
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
390 }
c59ad5ccd8a6 Add ast.Try
Bastien Orivel <eijebong@bananium.fr>
parents: 67
diff changeset
391 )
57
e5a808ec31c0 Add ast.Assert.
Bastien Orivel <eijebong@bananium.fr>
parents: 56
diff changeset
392 }
0
211b0df72e64 Hello world!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
393 }
211b0df72e64 Hello world!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
394 }
211b0df72e64 Hello world!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
395 }
211b0df72e64 Hello world!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
396
211b0df72e64 Hello world!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
397 #[allow(dead_code)]
22
25b202005d1d Return a String from ast_dump instead of printing it directly.
Bastien Orivel <eijebong@bananium.fr>
parents: 21
diff changeset
398 pub fn dump_ast(ast: &Module) -> String {
25b202005d1d Return a String from ast_dump instead of printing it directly.
Bastien Orivel <eijebong@bananium.fr>
parents: 21
diff changeset
399 let mut dumped_statements = vec!();
0
211b0df72e64 Hello world!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
400 for statement in &ast.statements {
22
25b202005d1d Return a String from ast_dump instead of printing it directly.
Bastien Orivel <eijebong@bananium.fr>
parents: 21
diff changeset
401 let dumped_statement = statement.to_string(0);
25b202005d1d Return a String from ast_dump instead of printing it directly.
Bastien Orivel <eijebong@bananium.fr>
parents: 21
diff changeset
402 dumped_statements.push(dumped_statement);
0
211b0df72e64 Hello world!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
403 }
22
25b202005d1d Return a String from ast_dump instead of printing it directly.
Bastien Orivel <eijebong@bananium.fr>
parents: 21
diff changeset
404 dumped_statements.join("\n")
0
211b0df72e64 Hello world!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
405 }
22
25b202005d1d Return a String from ast_dump instead of printing it directly.
Bastien Orivel <eijebong@bananium.fr>
parents: 21
diff changeset
406