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More type work

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This commit is contained in:
greg 2018-11-08 02:12:01 -08:00
parent 65c47c20fc
commit e9b90412ce
1 changed files with 12 additions and 6 deletions
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16
schala-lang/language/src/typechecking.rs
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@ -28,6 +28,7 @@ enum TConst {
Int, Int,
Float, Float,
StringT, StringT,
Bool,
} }
impl TConst { impl TConst {
@ -80,12 +81,17 @@ impl TypeContext {
fn infer_expr_type(&mut self, expr_type: &ExpressionType) -> InferResult<MonoType> { fn infer_expr_type(&mut self, expr_type: &ExpressionType) -> InferResult<MonoType> {
use self::ExpressionType::*; use self::ExpressionType::*;
match expr_type { Ok(match expr_type {
NatLiteral(_) => Ok(MonoType::Const(TConst::Nat)), NatLiteral(_) => MonoType::Const(TConst::Nat),
FloatLiteral(_) => Ok(MonoType::Const(TConst::Float)), FloatLiteral(_) => MonoType::Const(TConst::Float),
StringLiteral(_) => Ok(MonoType::Const(TConst::StringT)), StringLiteral(_) => MonoType::Const(TConst::StringT),
_ => Ok(MonoType::Const(TConst::user("unimplemented"))) BoolLiteral(_) => MonoType::Const(TConst::Bool),
_ => MonoType::Const(TConst::user("unimplemented"))
})
} }
fn unify(t1: MonoType, t2: MonoType) -> InferResult<MonoType> {
unimplemented!()
} }
} }