37 lines
1.0 KiB
Rust
37 lines
1.0 KiB
Rust
use serde::{Deserialize, Serialize};
|
|
use tree_sitter::Node;
|
|
|
|
use crate::{AbstractTree, Result, Value, VariableMap};
|
|
|
|
use super::{identifier::Identifier, statement::Statement};
|
|
|
|
#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, PartialOrd, Ord)]
|
|
pub struct Assignment {
|
|
identifier: Identifier,
|
|
statement: Statement,
|
|
}
|
|
|
|
impl AbstractTree for Assignment {
|
|
fn from_syntax_node(node: Node, source: &str) -> Result<Self> {
|
|
let identifier_node = node.child(0).unwrap();
|
|
let identifier = Identifier::from_syntax_node(identifier_node, source)?;
|
|
|
|
let statement_node = node.child(2).unwrap();
|
|
let statement = Statement::from_syntax_node(statement_node, source)?;
|
|
|
|
Ok(Assignment {
|
|
identifier,
|
|
statement,
|
|
})
|
|
}
|
|
|
|
fn run(&self, context: &mut VariableMap) -> Result<Value> {
|
|
let key = self.identifier.clone().take_inner();
|
|
let value = self.statement.run(context)?;
|
|
|
|
context.set_value(key, value)?;
|
|
|
|
Ok(Value::Empty)
|
|
}
|
|
}
|