forked from OSchip/llvm-project
ad46cf14d4
The parsing of nested names is a little lax. This corrects that. 1) The 'L' local name prefix cannot appear before a NestedName -- only within it. Let's remove that check from parseName, and then adjust parseUnscopedName to allow it with or without the 'St' prefix. 2) In a nested name, a <template-param>, <decltype> or <substitution> can only appear as the first element. Let's enforce that. Note I do not remove these from the loop, to make the change easier to follow (such a change will come later). 3) Given that, there's no need to special case 'St' outside of the loop, handle it with the other 'S' elements. 4) There's no need to reset 'EndsWithTemplateArgs' after each non-template-arg component. Rather, always clear it and then set it in the template-args case. 5) An template-args cannot immediately follow a template-args. 6) The parsing of a CDtor name with ABITags would attach the tags to the NestedName node, rather than the CDTor node. This is different to how ABITags are attached to an unscopedName. Make it consistent. 7) We remain with only CDTor and UnscopedName requireing construction of a NestedName, so let's drop the PushComponent lambda. 8) Add some tests to catch the new rejected manglings. Reviewed By: ChuanqiXu Differential Revision: https://reviews.llvm.org/D118132 |
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