48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
use serde::{Deserialize, Serialize};
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use tree_sitter::Node;
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use crate::{
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AbstractTree, Expression, FunctionCall, Identifier, Map, Result, TypeDefinition, Value,
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};
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#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, PartialOrd, Ord)]
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pub struct Yield {
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call: FunctionCall,
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}
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impl AbstractTree for Yield {
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fn from_syntax_node(source: &str, node: Node, context: &Map) -> Result<Self> {
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let input_node = node.child(0).unwrap();
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let input = Expression::from_syntax_node(source, input_node, context)?;
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let function_node = node.child(3).unwrap();
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let function = Identifier::from_syntax_node(source, function_node, context)?;
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let mut arguments = Vec::new();
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arguments.push(input);
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for index in 4..node.child_count() - 1 {
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let node = node.child(index).unwrap();
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if node.is_named() {
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let expression = Expression::from_syntax_node(source, node, context)?;
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arguments.push(expression);
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}
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}
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let call = FunctionCall::new(function, arguments);
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Ok(Yield { call })
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}
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fn run(&self, source: &str, context: &Map) -> Result<Value> {
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self.call.run(source, context)
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}
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fn expected_type(&self, context: &Map) -> Result<TypeDefinition> {
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self.call.expected_type(context)
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}
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}
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