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Code Issues Packages Projects Releases 10 Wiki Activity

Heap allocation basics (#1323)

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* initial implementation of new and delete

* remove requirement for empty heap from trace.carbon

* more tests

* fixed substitution for generic function types
This commit is contained in:
Jeremy G. Siek
2022-06-11 18:47:07 -04:00
committed by GitHub
parent 6ab9c487be
commit b759401328
22 changed files with 436 additions and 50 deletions
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explorer/ast/expression.cpp
+16 -5
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@@ -21,8 +21,10 @@ using llvm::isa;
auto IntrinsicExpression::FindIntrinsic(std::string_view name,
SourceLocation source_loc)
-> ErrorOr<Intrinsic> {
static const auto& intrinsic_map =
*new std::map<std::string_view, Intrinsic>({{"print", Intrinsic::Print}});
static const auto& intrinsic_map = *new std::map<std::string_view, Intrinsic>(
{{"print", Intrinsic::Print},
{"new", Intrinsic::Alloc},
{"delete", Intrinsic::Dealloc}});
name.remove_prefix(std::strlen("__intrinsic_"));
auto it = intrinsic_map.find(name);
if (it == intrinsic_map.end()) {
@@ -157,14 +159,23 @@ void Expression::Print(llvm::raw_ostream& out) const {
out << "fn " << fn.parameter() << " -> " << fn.return_type();
break;
}
case ExpressionKind::IntrinsicExpression:
out << "intrinsic_expression(";
case ExpressionKind::IntrinsicExpression: {
const auto& iexp = cast<IntrinsicExpression>(*this);
out << "intrinsic_";
switch (cast<IntrinsicExpression>(*this).intrinsic()) {
case IntrinsicExpression::Intrinsic::Print:
out << "print";
break;
case IntrinsicExpression::Intrinsic::Alloc:
out << "new";
break;
case IntrinsicExpression::Intrinsic::Dealloc:
out << "delete";
break;
}
out << ")";
out << iexp.args();
break;
}
case ExpressionKind::IfExpression: {
const auto& if_expr = cast<IfExpression>(*this);
out << "if " << if_expr.condition() << " then "