tseeker-pub/rust-crafting-interpreters-part-1
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Parser - Set expressions

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This commit is contained in:
Emmanuel BENOîT 2023-01-09 07:00:52 +01:00
parent a5172e103b
commit a52e386e8d
1 changed files with 7 additions and 1 deletions
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8
src/parser.rs
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@ -1,7 +1,7 @@
use std::collections::HashSet; use std::collections::HashSet;
use crate::{ use crate::{
ast::{ClassDecl, ExprNode, FunDecl, GetExpr, ProgramNode, StmtNode}, ast::{ClassDecl, ExprNode, FunDecl, GetExpr, ProgramNode, SetExpr, StmtNode},
errors::{ErrorHandler, ErrorKind, SloxError, SloxResult}, errors::{ErrorHandler, ErrorKind, SloxError, SloxResult},
tokens::{Token, TokenType}, tokens::{Token, TokenType},
}; };
@ -532,6 +532,12 @@ impl Parser {
value: Box::new(value), value: Box::new(value),
id: self.make_id(), id: self.make_id(),
}) })
} else if let ExprNode::Get(get_expr) = expr {
Ok(ExprNode::Set(SetExpr {
instance: get_expr.instance,
name: get_expr.name,
value: Box::new(value),
}))
} else { } else {
Err(SloxError::with_token( Err(SloxError::with_token(
ErrorKind::Parse, ErrorKind::Parse,