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use crate::ast_emitter::AstEmitter;
use crate::emitter::EmitError;
pub struct ExpressionEmitter<F>
where
F: Fn(&mut AstEmitter) -> Result<(), EmitError>,
{
pub expr: F,
}
impl<F> ExpressionEmitter<F>
where
F: Fn(&mut AstEmitter) -> Result<(), EmitError>,
{
pub fn emit(self, emitter: &mut AstEmitter) -> Result<(), EmitError> {
// [stack]
(self.expr)(emitter)?;
// [stack] VAL
if emitter.options.no_script_rval {
emitter.emit.pop();
// [stack]
} else {
emitter.emit.set_rval();
// [stack]
}
Ok(())
}
}