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Expose more logic from BuildCache.

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This commit is contained in:
Juraj Kirchheim
2017-12-18 11:27:32 +01:00
parent bfc5c2b88f
commit ff9ef59445
1 changed files with 17 additions and 10 deletions
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27
src/tink/macro/BuildCache.hx
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@@ -106,23 +106,30 @@ class BuildCache {
}));
}
static public function getParam(name:String, ?pos:Position)
static public function getParams(name:String, ?pos:Position)
return
switch Context.getLocalType() {
case TInst(_.toString() == name => true, [v]):
v;
case TInst(_.toString() == name => true, _):
pos.error('type parameter expected');
case TInst(_.toString() == name => true, v):
Success(v);
case TInst(_.get() => { pos: pos }, _):
pos.error('Expected $name');
default:
throw 'assert';
}
pos.makeFailure('Expected $name');
case v:
pos.makeFailure('$v should be a class');
}
static public function getParam(name:String, ?pos:Position)
return
getParams(name, pos)
.flatMap(function (args:Array<Type>) return switch args {
case [v]: Success(v);
case []: pos.makeFailure('type parameter expected');
default: pos.makeFailure('too many parameters');
});
static public function getType(name, ?type, ?pos:Position, build:BuildContext->TypeDefinition) {
if (type == null)
type = getParam(name, pos);
type = getParam(name, pos).sure();
var forName =
switch cache[name] {