41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
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use serde::{Deserialize, Serialize};
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use tree_sitter::Node;
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use crate::{AbstractTree, Expression, Identifier, Item, Result, Value, VariableMap};
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#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq, PartialOrd, Ord)]
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pub struct Insert {
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identifier: Identifier,
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expression: Expression,
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}
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impl AbstractTree for Insert {
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fn from_syntax_node(source: &str, node: Node) -> Result<Self> {
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let identifier_node = node.child(1).unwrap();
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let identifier = Identifier::from_syntax_node(source, identifier_node)?;
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let expression_node = node.child(3).unwrap();
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let expression = Expression::from_syntax_node(source, expression_node)?;
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Ok(Insert {
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identifier,
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expression,
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})
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}
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fn run(&self, source: &str, context: &mut VariableMap) -> Result<Value> {
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let table_name = self.identifier.inner().clone();
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let mut table = self.identifier.run(source, context)?.as_table()?.clone();
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let new_rows = self.expression.run(source, context)?.into_inner_list()?;
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table.reserve(new_rows.len());
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for row in new_rows {
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table.insert(row.into_inner_list()?)?;
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}
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context.set_value(table_name, Value::Table(table))?;
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Ok(Value::Empty)
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}
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}
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