dust/src/abstract_tree/mod.rs

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2023-10-06 17:32:58 +00:00
pub mod assignment;
pub mod expression;
pub mod function_call;
pub mod identifier;
pub mod if_else;
pub mod item;
pub mod logic;
pub mod r#match;
pub mod math;
pub mod statement;
pub mod tool;
pub use {
assignment::*, expression::*, function_call::*, identifier::*, if_else::*, item::*, logic::*,
math::*, r#match::*, statement::*,
};
use tree_sitter::Node;
use crate::{Result, Value, VariableMap};
/// This trait is implemented by the Evaluator's internal types to form an
/// executable tree that resolves to a single value.
pub trait AbstractTree: Sized {
/// Interpret the syntax tree at the given node and return the abstraction.
///
/// This function is used to convert nodes in the Tree Sitter concrete
/// syntax tree into executable nodes in an abstract tree. This function is
/// where the tree should be traversed by accessing sibling and child nodes.
/// Each node in the CST should be traversed only once.
///
/// If necessary, the source code can be accessed directly by getting the
/// node's byte range.
fn from_syntax_node(node: Node, source: &str) -> Result<Self>;
/// Execute dust code by traversing the tree
fn run(&self, context: &mut VariableMap) -> Result<Value>;
}