[PATCH] D158413: [Lex] Introduce Preprocessor::LexTokensUntilEOF()

[Vassil Vassilev via Phabricator via cfe-commits]

v.g.vassilev added inline comments.


================
Comment at: clang/lib/Lex/Preprocessor.cpp:1000
+  std::vector<Token> toks;
+  while (1) {
+    Token tok;
----------------
aaron.ballman wrote:
> Hahnfeld wrote:
> > aaron.ballman wrote:
> > > I'd prefer not to assume the token stream has an EOF token (perhaps the stream is one only being used to parse until the `eod` token instead), so if we can turn this into a non-infinite loop, that would make me more comfortable.
> > I'm not sure I understand entirely. Do you want something like
> > ```
> > tok.isOneOf(tok::unknown, tok::eof, tok::eod)
> > ```
> > instead of `tok.is(tok::eof)`? Can this happen at the level of the `Preprocessor`?
> I was thinking something more along the lines of:
> ```
> if (Tokens) {
>   for (Token Tok; !Tok.isOneOf(tok::eof, tok::eod); Lex(Tok))
>     Tokens->push_back(Tok);
> }
> ```
> but I hadn't thought about `tok::unknown`; that might be a good one to also include given that clangd operates on partial sources.
> 
I was wondering if we could somehow merge this routine with `Parser::SkipUntil` since they seem to be doing a very similar tasks.


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  https://reviews.llvm.org/D158413/new/

https://reviews.llvm.org/D158413