nova_vm 1.0.0

Nova Virtual Machine
Documentation 
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.

use crate::engine::bytecode::bytecode_compiler::StatementResult;

use super::{CompileContext, CompileEvaluation, CompileLabelledEvaluation};

impl<'a, 's, 'gc, 'scope> CompileLabelledEvaluation<'a, 's, 'gc, 'scope>
    for oxc_ast::ast::LabeledStatement<'s>
{
    type Output = StatementResult<'gc>;

    fn compile_labelled(
        &'s self,
        label_set: Option<&mut Vec<&'s oxc_ast::ast::LabelIdentifier<'s>>>,
        ctx: &mut CompileContext<'_, 's, 'gc, '_>,
    ) -> Self::Output {
        let st = ctx.enter_label(&self.label);
        let mut local_label_set: Vec<&'s oxc_ast::ast::LabelIdentifier<'s>>;
        let label_set = if let Some(label_set) = label_set {
            label_set.push(&self.label);
            Some(label_set)
        } else {
            local_label_set = vec![&self.label];
            Some(&mut local_label_set)
        };
        let result = match &self.body {
            oxc_ast::ast::Statement::DoWhileStatement(st) => st.compile_labelled(label_set, ctx),
            oxc_ast::ast::Statement::ForInStatement(st) => st.compile_labelled(label_set, ctx),
            oxc_ast::ast::Statement::ForOfStatement(st) => st.compile_labelled(label_set, ctx),
            oxc_ast::ast::Statement::ForStatement(st) => st.compile_labelled(label_set, ctx),
            oxc_ast::ast::Statement::LabeledStatement(st) => st.compile_labelled(label_set, ctx),
            oxc_ast::ast::Statement::SwitchStatement(st) => st.compile_labelled(label_set, ctx),
            oxc_ast::ast::Statement::WhileStatement(st) => st.compile_labelled(label_set, ctx),
            _ => self.body.compile(ctx),
        };
        st.exit(ctx);
        result
    }
}