proc_macro: implement `TokenTree`, `TokenKind`, hygienic `quote!`, and other API#40939

Merged

bors merged 13 commits intorust-lang:masterfrom

jseyfried:proc_macro_api

Jul 6, 2017

Commits on Jun 26, 2017

Simplify `hygiene::Mark` application, and
jseyfried
committed
Clean up `tokenstream::Cursor` and `proc_macro`.
jseyfried
committed
Implement `quote!` and other `proc_macro` API.
jseyfried
committed
Add `LazyTokenStream`.
jseyfried
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Add exmaple/test for `quote!` hygiene.
jseyfried
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Test compound tokens.
jseyfried
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Address review comments.
jseyfried
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Fix a semantic merge conflict

alexcrichton
authored and
jseyfried
committed
Update UI test with proc_macro changes

alexcrichton
authored and
jseyfried
committed
Revert a few changes

alexcrichton
authored and
jseyfried
committed
Update and fix a few tests

alexcrichton
authored and
jseyfried
committed

Commits on Jul 5, 2017