tseeker-pub/rust-crafting-interpreters-part-1
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Interpreter - Handle references to "this"

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This commit is contained in:
Emmanuel BENOîT 2023-01-09 08:03:41 +01:00
parent f9359cfe03
commit e46b399399
1 changed files with 3 additions and 1 deletions
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4
src/interpreter/interpretable.rs
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@ -348,7 +348,9 @@ impl Interpretable for ExprNode {
ExprNode::Unary { operator, right } => self.on_unary(es, operator, right), ExprNode::Unary { operator, right } => self.on_unary(es, operator, right),
ExprNode::Grouping { expression } => expression.interpret(es), ExprNode::Grouping { expression } => expression.interpret(es),
ExprNode::Litteral { value } => self.on_litteral(value), ExprNode::Litteral { value } => self.on_litteral(value),
ExprNode::Variable(var_expr) => Ok(es.lookup_var(var_expr)?.into()), ExprNode::Variable(var_expr) | ExprNode::This(var_expr) => {
Ok(es.lookup_var(var_expr)?.into())
}
ExprNode::Call { ExprNode::Call {
callee, callee,
right_paren, right_paren,