fluencelabs/lalrpop
1
0
Fork 0
mirror of https://github.com/fluencelabs/lalrpop synced 2025-03-16 17:00:53 +00:00
Code Issues Projects Releases Wiki Activity

remove steps from the normalization plan that no longer apply

Browse Source
This commit is contained in:
Niko Matsakis 2015-06-17 17:17:12 -04:00
parent f282b943ba
commit 8c111030b0
1 changed files with 2 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src/normalize/mod.rs
View File

@ -36,7 +36,8 @@ macro_rules! return_err {
// `(X Y Z)` = X Y Z;
//
// AFTER THIS POINT: No more macros, macro references, guarded
// alternatives, or expr symbols, though type indirections may occur.
// alternatives, repeats, or expr symbols, though type indirections
// may occur.
mod macro_expand;
// Computes types where the user omitted them (or from macro
@ -52,40 +53,6 @@ mod tyinfer;
// Symbol::Choose and Symbol::Name are removed.
// mod action;
// Converts
//
// X = ...1 Y* ...2
//
// to
//
// X = ...1 ...2
// | ...1 Y+ ...2
//
// AFTER THIS POINT: No more Symbol::Star remain.
// mod remove_star;
// Converts X+ to a new terminal X_PLUS like:
//
// X_PLUS = {
// <e:X> => { vec![x] }
// <v:X_PLUS> <e:X> => { let mut v = v; v.push(e); v }
// }
//
// AFTER THIS POINT: No more Symbol::Plus remain.
// mod remove_plus;
// Converts
//
// X = ...1 Y? ...2
//
// to
//
// X = ...1 ...2
// | ...1 Y ...2
//
// AFTER THIS POINT: No more Symbol::Question remain.
// mod remove_question;
///////////////////////////////////////////////////////////////////////////
// Shared routines