-
-
Notifications
You must be signed in to change notification settings - Fork 655
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Initial type parameter inference, see #61
This catches the most common cases but doesn't yet implement inference involving the return type because some prequesites are not yet in place (see test case).
- Loading branch information
Showing
11 changed files
with
385 additions
and
43 deletions.
There are no files selected for viewing
Large diffs are not rendered by default.
Oops, something went wrong.
Large diffs are not rendered by default.
Oops, something went wrong.
Large diffs are not rendered by default.
Oops, something went wrong.
Large diffs are not rendered by default.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,91 @@ | ||
(module | ||
(type $ii (func (param i32) (result i32))) | ||
(type $iiiiv (func (param i32 i32 i32 i32))) | ||
(type $FF (func (param f64) (result f64))) | ||
(type $ff (func (param f32) (result f32))) | ||
(type $v (func)) | ||
(import "env" "abort" (func $abort (param i32 i32 i32 i32))) | ||
(memory $0 1) | ||
(data (i32.const 4) "\10\00\00\00c\00a\00l\00l\00-\00i\00n\00f\00e\00r\00r\00e\00d\00.\00t\00s") | ||
(export "memory" (memory $0)) | ||
(start $start) | ||
(func $call-inferred/foo<i32> (; 1 ;) (type $ii) (param $0 i32) (result i32) | ||
(get_local $0) | ||
) | ||
(func $call-inferred/foo<f64> (; 2 ;) (type $FF) (param $0 f64) (result f64) | ||
(get_local $0) | ||
) | ||
(func $call-inferred/foo<f32> (; 3 ;) (type $ff) (param $0 f32) (result f32) | ||
(get_local $0) | ||
) | ||
(func $start (; 4 ;) (type $v) | ||
(if | ||
(i32.ne | ||
(call $call-inferred/foo<i32> | ||
(i32.const 42) | ||
) | ||
(i32.const 42) | ||
) | ||
(block | ||
(call $abort | ||
(i32.const 0) | ||
(i32.const 4) | ||
(i32.const 5) | ||
(i32.const 0) | ||
) | ||
(unreachable) | ||
) | ||
) | ||
(if | ||
(f64.ne | ||
(call $call-inferred/foo<f64> | ||
(f64.const 42) | ||
) | ||
(f64.const 42) | ||
) | ||
(block | ||
(call $abort | ||
(i32.const 0) | ||
(i32.const 4) | ||
(i32.const 6) | ||
(i32.const 0) | ||
) | ||
(unreachable) | ||
) | ||
) | ||
(if | ||
(f32.ne | ||
(call $call-inferred/foo<f32> | ||
(f32.const 42) | ||
) | ||
(f32.const 42) | ||
) | ||
(block | ||
(call $abort | ||
(i32.const 0) | ||
(i32.const 4) | ||
(i32.const 7) | ||
(i32.const 0) | ||
) | ||
(unreachable) | ||
) | ||
) | ||
(if | ||
(f32.ne | ||
(call $call-inferred/foo<f32> | ||
(f32.const 42) | ||
) | ||
(f32.const 42) | ||
) | ||
(block | ||
(call $abort | ||
(i32.const 0) | ||
(i32.const 4) | ||
(i32.const 13) | ||
(i32.const 0) | ||
) | ||
(unreachable) | ||
) | ||
) | ||
) | ||
) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,25 @@ | ||
function foo<T>(a: T): T { | ||
return a; | ||
} | ||
|
||
assert(foo(42) == 42); | ||
assert(foo(42.0) == 42); | ||
assert(foo(<f32>42.0) == 42); | ||
|
||
function bar<T>(a: T = <f32>42.0): T { | ||
return a; | ||
} | ||
|
||
assert(bar() == 42); | ||
|
||
// TODO: this'd require return type inference, i.e., omitted return type | ||
// function baz<T>(a: i32): T { | ||
// return a; | ||
// } | ||
// baz(42); | ||
|
||
// TODO: this'd ideally be inferred by matching contextualType, avoiding conversions | ||
// function baz<T>(): T { | ||
// return 1; | ||
// } | ||
// baz(42); |
Oops, something went wrong.