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LibJS: Restructure and fully implement BindingPatterns

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This commit is contained in:
Matthew Olsson 2021-06-12 18:04:28 -07:00 • committed by Andreas Kling
parent 10372b8118
commit ce04c2259f
9 changed files with 244 additions and 169 deletions
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44
Userland/Libraries/LibJS/AST.cpp
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@ -1133,29 +1133,41 @@ void BindingPattern::dump(int indent) const
{
print_indent(indent);
outln("BindingPattern {}", kind == Kind::Array ? "Array" : "Object");
print_indent(++indent);
outln("(Properties)");
for (auto& property : properties) {
for (auto& entry : entries) {
print_indent(indent + 1);
outln("(Identifier)");
if (property.name) {
property.name->dump(indent + 2);
} else {
outln("(Property)");
if (kind == Kind::Object) {
print_indent(indent + 2);
outln("(None)");
outln("(Identifier)");
if (entry.name.has<NonnullRefPtr<Identifier>>()) {
entry.name.get<NonnullRefPtr<Identifier>>()->dump(indent + 3);
} else {
entry.name.get<NonnullRefPtr<Expression>>()->dump(indent + 3);
}
} else if (entry.is_elision()) {
print_indent(indent + 2);
outln("(Elision)");
continue;
}
print_indent(indent + 1);
outln("(Pattern)");
if (property.pattern) {
property.pattern->dump(indent + 2);
print_indent(indent + 2);
outln("(Pattern{})", entry.is_rest ? " rest=true" : "");
if (entry.alias.has<NonnullRefPtr<Identifier>>()) {
entry.alias.get<NonnullRefPtr<Identifier>>()->dump(indent + 3);
} else if (entry.alias.has<NonnullRefPtr<BindingPattern>>()) {
entry.alias.get<NonnullRefPtr<BindingPattern>>()->dump(indent + 3);
} else {
print_indent(indent + 2);
outln("(None)");
print_indent(indent + 3);
outln("<empty>");
}
print_indent(indent + 1);
outln("(Is Rest = {})", property.is_rest);
if (entry.initializer) {
print_indent(indent + 2);
outln("(Initializer)");
entry.initializer->dump(indent + 3);
}
}
}