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More complicated inference working, now just have to round out the edges

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This commit is contained in:
Nathan Braswell
2015-05-15 12:29:44 -04:00
parent f5e74ca7ce
commit a64624ba25
2 changed files with 18 additions and 5 deletions
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22
src/ASTTransformation.cpp
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@@ -1026,6 +1026,24 @@ void ASTTransformation::unifyType(NodeTree<Symbol> *syntaxType, Type type, std::
if (children.size() == 1) {
(*templateTypeMap)[concatSymbolTree(children.back())] = type;
} else {
if (type.typeDefinition) {
// ok, what happens here is that we get the origional type from our type. This is
// the same as the type we have now but it still has extra data from when it was instantiated
// like the templateTypeReplacement map, which we'll use.
// We get the <T, int, ...> etc part from the template we're matching against and unify it with the
// actual types the type we're unifying with used by passing it's <A, B, ...> through the templateTypeReplacement
// to get the type it was instantiated with.
auto origionalType = type.typeDefinition->getDataRef()->valueType;
auto typeTemplateDefinition = origionalType->templateDefinition;
if (typeTemplateDefinition && concatSymbolTree(getNode("scoped_identifier", children)) == concatSymbolTree(getNode("identifier", typeTemplateDefinition->getChildren()))) {
std::vector<NodeTree<Symbol>*> uninTypeInstTypes = getNodes("type", getNode("template_inst", children));
std::vector<NodeTree<Symbol>*> typeInstTypes = getNodes("template_param", getNode("template_dec", typeTemplateDefinition->getChildren()));
for (int i = 0; i < uninTypeInstTypes.size(); i++)
unifyType(uninTypeInstTypes[i], *origionalType->templateTypeReplacement[concatSymbolTree(typeInstTypes[i])], templateTypeMap);
return;
}
}
throw "the inference just isn't good enough";
}
}
@@ -1333,10 +1351,6 @@ Type* ASTTransformation::typeFromTypeNode(NodeTree<Symbol>* typeNode, NodeTree<A
std::cout << "Did not find already instantiated template of " << templateLookupName << " at second check" << std::endl;
//Look up this template's plain definition. It's type has the syntax tree that we need to parse
NodeTree<ASTData>* templateDefinition = templateClassLookup(scope, concatSymbolTree(typeNode->getChildren()[0]), templateParamInstantiationTypes);
if (templateDefinition == NULL)
std::cout << "Template definition is null!" << std::endl;
else
std::cout << "Template definition is not null!" << std::endl;
std::string fullyInstantiatedName = templateDefinition->getDataRef()->symbol.getName() + "<" + instTypeString + ">";

1
tests/test_templateFuncInfr.krak
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@@ -9,7 +9,6 @@ fun main():int {
var fromTemplateFun = id(11)
var aVec.construct(): vector<int>
aVec.addEnd(12)
//var fromTemplateFun = id<int>(11);
println(fromTemplateFun)
println(idVec(aVec))
//println(idVec<int>(aVec))