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use crate::lua_generator::{LuaGenerator, ToLua}; use crate::nodes::Expression; #[derive(Clone, Debug, PartialEq, Eq)] pub struct LocalAssignStatement { variables: Vec<String>, values: Vec<Expression>, } impl LocalAssignStatement { pub fn new(variables: Vec<String>, values: Vec<Expression>) -> Self { Self { variables, values, } } pub fn from_variable<S: Into<String>>(variable: S) -> Self { Self { variables: vec![variable.into()], values: Vec::new(), } } pub fn with_variable<S: Into<String>>(mut self, variable: S) -> Self { self.variables.push(variable.into()); self } pub fn with_value(mut self, value: Expression) -> Self { self.values.push(value); self } pub fn get_variables(&self) -> &Vec<String> { &self.variables } pub fn mutate_variables(&mut self) -> &mut Vec<String> { &mut self.variables } pub fn mutate_values(&mut self) -> &mut Vec<Expression> { &mut self.values } } impl ToLua for LocalAssignStatement { fn to_lua(&self, generator: &mut LuaGenerator) { generator.push_str("local"); generator.for_each_and_between( &self.variables, |generator, variable| generator.push_str(variable), |generator| generator.push_char(','), ); if self.values.len() > 0 { generator.push_char('='); }; generator.for_each_and_between( &self.values, |generator, expression| expression.to_lua(generator), |generator| generator.push_char(','), ); } } #[cfg(test)] mod test { use super::*; #[test] fn generate_() { let output = LocalAssignStatement::from_variable("var") .with_value(Expression::False) .to_lua_string(); assert_eq!(output, "local var=false"); } }