170 lines
5.8 KiB
Rust
170 lines
5.8 KiB
Rust
use dust_lang::*;
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#[test]
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fn function() {
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let source = "fn(a: int, b: int) -> int { a + b }";
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assert_eq!(
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run(source),
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Ok(Some(ConcreteValue::Function(Chunk::with_data(
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None,
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FunctionType {
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type_parameters: None,
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value_parameters: None,
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return_type: Box::new(Type::Function(FunctionType {
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type_parameters: None,
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value_parameters: Some(vec![(0, Type::Integer), (1, Type::Integer)]),
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return_type: Box::new(Type::Integer),
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}))
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},
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vec![
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(
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Instruction::add(
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Destination::Register(2),
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Argument::Local(0),
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Argument::Local(1)
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),
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Span(30, 31)
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),
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(Instruction::r#return(true), Span(35, 35)),
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],
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vec![ConcreteValue::string("a"), ConcreteValue::string("b"),],
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vec![
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Local::new(0, Type::Integer, false, Scope::default()),
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Local::new(1, Type::Integer, false, Scope::default())
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]
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))))
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);
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}
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#[test]
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fn function_call() {
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let source = "fn(a: int, b: int) -> int { a + b }(1, 2)";
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assert_eq!(
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compile(source),
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Ok(Chunk::with_data(
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None,
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FunctionType {
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type_parameters: None,
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value_parameters: None,
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return_type: Box::new(Type::Integer)
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},
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vec![
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(
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Instruction::load_constant(Destination::Register(0), 0, false),
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Span(0, 36)
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),
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(
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Instruction::load_constant(Destination::Register(1), 1, false),
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Span(36, 37)
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),
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(
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Instruction::load_constant(Destination::Register(2), 2, false),
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Span(39, 40)
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),
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(
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Instruction::call(Destination::Register(3), Argument::Constant(0), 2),
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Span(35, 41)
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),
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(Instruction::r#return(true), Span(41, 41)),
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],
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vec![
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ConcreteValue::Function(Chunk::with_data(
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None,
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FunctionType {
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type_parameters: None,
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value_parameters: Some(vec![(0, Type::Integer), (1, Type::Integer)]),
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return_type: Box::new(Type::Integer)
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},
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vec![
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(
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Instruction::add(
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Destination::Register(2),
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Argument::Local(0),
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Argument::Local(1)
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),
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Span(30, 31)
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),
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(Instruction::r#return(true), Span(35, 36)),
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],
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vec![ConcreteValue::string("a"), ConcreteValue::string("b"),],
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vec![
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Local::new(0, Type::Integer, false, Scope::default()),
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Local::new(1, Type::Integer, false, Scope::default())
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]
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)),
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ConcreteValue::Integer(1),
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ConcreteValue::Integer(2)
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],
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vec![]
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)),
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);
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assert_eq!(run(source), Ok(Some(ConcreteValue::Integer(3))));
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}
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#[test]
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fn function_declaration() {
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let source = "fn add (a: int, b: int) -> int { a + b }";
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assert_eq!(
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compile(source),
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Ok(Chunk::with_data(
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None,
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FunctionType {
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type_parameters: None,
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value_parameters: None,
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return_type: Box::new(Type::None)
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},
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vec![
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(
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Instruction::load_constant(Destination::Register(0), 0, false),
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Span(0, 40)
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),
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(Instruction::define_local(0, 0, false), Span(3, 6)),
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(Instruction::r#return(false), Span(40, 40))
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],
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vec![
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ConcreteValue::Function(Chunk::with_data(
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Some("add".to_string()),
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FunctionType {
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type_parameters: None,
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value_parameters: Some(vec![(0, Type::Integer), (1, Type::Integer)]),
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return_type: Box::new(Type::Integer)
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},
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vec![
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(
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Instruction::add(
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Destination::Register(2),
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Argument::Local(0),
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Argument::Local(1)
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),
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Span(35, 36)
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),
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(Instruction::r#return(true), Span(40, 40)),
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],
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vec![ConcreteValue::string("a"), ConcreteValue::string("b")],
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vec![
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Local::new(0, Type::Integer, false, Scope::default()),
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Local::new(1, Type::Integer, false, Scope::default())
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]
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)),
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ConcreteValue::string("add"),
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],
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vec![Local::new(
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1,
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Type::Function(FunctionType {
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type_parameters: None,
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value_parameters: Some(vec![(0, Type::Integer), (1, Type::Integer)]),
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return_type: Box::new(Type::Integer),
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}),
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false,
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Scope::default(),
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),],
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)),
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);
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assert_eq!(run(source), Ok(None));
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}
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