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JSSpecCompiler: Allow storing NullableTrees in nodes

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And use this in ElseIfBranch node.
This commit is contained in:
Dan Klishch 2023-08-18 16:23:29 -04:00 • committed by Andrew Kaster
parent 4eede5282c
commit 092ed1cc8a
7 changed files with 56 additions and 18 deletions
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27
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/AST/AST.cpp
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@ -8,6 +8,29 @@
namespace JSSpecCompiler {
Tree NodeSubtreePointer::get(Badge<RecursiveASTVisitor>)
{
return m_tree_ptr.visit(
[&](NullableTree* nullable_tree) -> Tree {
NullableTree copy = *nullable_tree;
return copy.release_nonnull();
},
[&](Tree* tree) -> Tree {
return *tree;
});
}
void NodeSubtreePointer::replace_subtree(Badge<RecursiveASTVisitor>, NullableTree replacement)
{
m_tree_ptr.visit(
[&](NullableTree* nullable_tree) {
*nullable_tree = replacement;
},
[&](Tree* tree) {
*tree = replacement.release_nonnull();
});
}
Vector<NodeSubtreePointer> BinaryOperation::subtrees()
{
return { { &m_left }, { &m_right } };
@ -43,8 +66,8 @@ Vector<NodeSubtreePointer> IfBranch::subtrees()
Vector<NodeSubtreePointer> ElseIfBranch::subtrees()
{
if (m_condition.has_value())
return { { &m_condition.value() }, { &m_branch } };
if (m_condition)
return { { &m_condition }, { &m_branch } };
return { { &m_branch } };
}