134 lines
4.6 KiB
Rust
134 lines
4.6 KiB
Rust
use dust_lang::*;
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use smallvec::smallvec;
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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: Type::function(FunctionType {
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type_parameters: None,
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value_parameters: Some(smallvec![(0, Type::Integer), (1, Type::Integer)]),
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return_type: 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(2, Argument::Register(0), Argument::Register(1)),
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Span(30, 31)
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),
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(Instruction::r#return(true), Span(34, 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, 0, false, Scope::default()),
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Local::new(1, 1, 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: Type::Integer
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},
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vec![
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(Instruction::load_constant(0, 0, false), Span(0, 35)),
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(Instruction::load_constant(1, 1, false), Span(36, 37)),
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(Instruction::load_constant(2, 2, false), Span(39, 40)),
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(Instruction::call(3, Argument::Constant(0), 2), Span(35, 41)),
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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(smallvec![(0, Type::Integer), (1, Type::Integer)]),
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return_type: Type::Integer
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},
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vec![
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(
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Instruction::add(2, Argument::Register(0), Argument::Register(1)),
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Span(30, 31)
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),
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(Instruction::r#return(true), Span(34, 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, 0, false, Scope::default()),
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Local::new(1, 1, 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: Type::None
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},
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vec![
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(Instruction::load_constant(0, 0, false), Span(0, 40)),
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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".into()),
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FunctionType {
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type_parameters: None,
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value_parameters: Some(smallvec![(0, Type::Integer), (1, Type::Integer)]),
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return_type: Type::Integer
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},
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vec![
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(
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Instruction::add(2, Argument::Register(0), Argument::Register(1)),
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Span(35, 36)
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),
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(Instruction::r#return(true), Span(39, 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, 0, false, Scope::default()),
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Local::new(1, 1, 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(1, 0, false, Scope::default(),),],
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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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