tseeker-pub/rust-crafting-interpreters-part-1
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

AST - Added variable reference nodes

Browse source
This commit is contained in:
Emmanuel BENOîT 2022-12-31 15:42:10 +01:00
parent 447e0fe623
commit a90b1529ad
1 changed files with 7 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
src/ast.rs
View file

@ -40,6 +40,9 @@ pub enum ExprNode {
/// A litteral value, represented by the corresponding token. /// A litteral value, represented by the corresponding token.
Litteral { value: Token }, Litteral { value: Token },
/// A reference to a variable.
Variable { name: Token },
} }
/* -------------------------------- * /* -------------------------------- *
@ -80,15 +83,10 @@ impl AstDumper for ExprNode {
left, left,
operator, operator,
right, right,
} => { } => format!("( {} {} {} )", operator.lexeme, left.dump(), right.dump()),
format!("( {} {} {} )", operator.lexeme, left.dump(), right.dump()) Self::Unary { operator, right } => format!("( {} {} )", operator.lexeme, right.dump()),
} Self::Grouping { expression } => format!("( {} )", expression.dump()),
Self::Unary { operator, right } => { Self::Variable { name } => name.lexeme.clone(),
format!("( {} {} )", operator.lexeme, right.dump())
}
Self::Grouping { expression } => {
format!("( {} )", expression.dump())
}
Self::Litteral { value } => { Self::Litteral { value } => {
if value.is_litteral() { if value.is_litteral() {
value.lexeme.clone() value.lexeme.clone()