cleanup

diff --git a/crates/ra_mbe/src/mbe_expander.rs b/crates/ra_mbe/src/mbe_expander.rs
index 21c1552cebcd0d5da7ca2762c27ffd0c9d6ccc78..19c75404d1d51b169a61236a824af6604309018a 100644 (file)
--- a/crates/ra_mbe/src/mbe_expander.rs
+++ b/crates/ra_mbe/src/mbe_expander.rs
@@ -1,13 +1,13 @@
 use rustc_hash::FxHashMap;
 use ra_syntax::SmolStr;
 
-use crate::{self as mbe, tt_cursor::TtCursor};
+use crate::tt_cursor::TtCursor;
 
-pub fn exapnd(rules: &mbe::MacroRules, input: &tt::Subtree) -> Option<tt::Subtree> {
+pub fn exapnd(rules: &crate::MacroRules, input: &tt::Subtree) -> Option<tt::Subtree> {
     rules.rules.iter().find_map(|it| expand_rule(it, input))
 }
 
-fn expand_rule(rule: &mbe::Rule, input: &tt::Subtree) -> Option<tt::Subtree> {
+fn expand_rule(rule: &crate::Rule, input: &tt::Subtree) -> Option<tt::Subtree> {
     let mut input = TtCursor::new(input);
     let bindings = match_lhs(&rule.lhs, &mut input)?;
     expand_subtree(&rule.rhs, &bindings, &mut Vec::new())
@@ -52,12 +52,12 @@ fn push_nested(&mut self, nested: Bindings) -> Option<()> {
     }
 }
 
-fn match_lhs(pattern: &mbe::Subtree, input: &mut TtCursor) -> Option<Bindings> {
+fn match_lhs(pattern: &crate::Subtree, input: &mut TtCursor) -> Option<Bindings> {
     let mut res = Bindings::default();
     for pat in pattern.token_trees.iter() {
         match pat {
-            mbe::TokenTree::Leaf(leaf) => match leaf {
-                mbe::Leaf::Var(mbe::Var { text, kind }) => {
+            crate::TokenTree::Leaf(leaf) => match leaf {
+                crate::Leaf::Var(crate::Var { text, kind }) => {
                     let kind = kind.clone()?;
                     match kind.as_str() {
                         "ident" => {
@@ -70,14 +70,14 @@ fn match_lhs(pattern: &mbe::Subtree, input: &mut TtCursor) -> Option<Bindings> {
                         _ => return None,
                     }
                 }
-                mbe::Leaf::Punct(punct) => {
+                crate::Leaf::Punct(punct) => {
                     if input.eat_punct()? != punct {
                         return None;
                     }
                 }
                 _ => return None,
             },
-            mbe::TokenTree::Repeat(mbe::Repeat {
+            crate::TokenTree::Repeat(crate::Repeat {
                 subtree,
                 kind: _,
                 separator,
@@ -114,7 +114,7 @@ fn from(it: $v) -> $e {
 */
 
 fn expand_subtree(
-    template: &mbe::Subtree,
+    template: &crate::Subtree,
     bindings: &Bindings,
     nesting: &mut Vec<usize>,
 ) -> Option<tt::Subtree> {
@@ -131,13 +131,13 @@ fn expand_subtree(
 }
 
 fn expand_tt(
-    template: &mbe::TokenTree,
+    template: &crate::TokenTree,
     bindings: &Bindings,
     nesting: &mut Vec<usize>,
 ) -> Option<tt::TokenTree> {
     let res: tt::TokenTree = match template {
-        mbe::TokenTree::Subtree(subtree) => expand_subtree(subtree, bindings, nesting)?.into(),
-        mbe::TokenTree::Repeat(repeat) => {
+        crate::TokenTree::Subtree(subtree) => expand_subtree(subtree, bindings, nesting)?.into(),
+        crate::TokenTree::Repeat(repeat) => {
             let mut token_trees = Vec::new();
             nesting.push(0);
             while let Some(t) = expand_subtree(&repeat.subtree, bindings, nesting) {
@@ -152,14 +152,14 @@ fn expand_tt(
             }
             .into()
         }
-        mbe::TokenTree::Leaf(leaf) => match leaf {
-            mbe::Leaf::Ident(ident) => tt::Leaf::from(tt::Ident {
+        crate::TokenTree::Leaf(leaf) => match leaf {
+            crate::Leaf::Ident(ident) => tt::Leaf::from(tt::Ident {
                 text: ident.text.clone(),
             })
             .into(),
-            mbe::Leaf::Punct(punct) => tt::Leaf::from(punct.clone()).into(),
-            mbe::Leaf::Var(v) => bindings.get(&v.text, nesting)?.clone(),
-            mbe::Leaf::Literal(l) => tt::Leaf::from(tt::Literal {
+            crate::Leaf::Punct(punct) => tt::Leaf::from(punct.clone()).into(),
+            crate::Leaf::Var(v) => bindings.get(&v.text, nesting)?.clone(),
+            crate::Leaf::Literal(l) => tt::Leaf::from(tt::Literal {
                 text: l.text.clone(),
             })
             .into(),

diff --git a/crates/ra_mbe/src/mbe_parser.rs b/crates/ra_mbe/src/mbe_parser.rs
index a70ed1d52ec2830d61327454b40bce0eb68e2df6..a76ea84dbe4d77d4258de06f2d17e88d29b91e12 100644 (file)
--- a/crates/ra_mbe/src/mbe_parser.rs
+++ b/crates/ra_mbe/src/mbe_parser.rs
@@ -1,58 +1,59 @@
-use crate::{self as mbe, tt_cursor::TtCursor};
+use crate::tt_cursor::TtCursor;
 
 /// This module parses a raw `tt::TokenStream` into macro-by-example token
 /// stream. This is a *mostly* identify function, expect for handling of
 /// `$var:tt_kind` and `$(repeat),*` constructs.
 
-pub fn parse(tt: &tt::Subtree) -> Option<mbe::MacroRules> {
+pub fn parse(tt: &tt::Subtree) -> Option<crate::MacroRules> {
     let mut parser = TtCursor::new(tt);
     let mut rules = Vec::new();
     while !parser.is_eof() {
         rules.push(parse_rule(&mut parser)?)
     }
-    Some(mbe::MacroRules { rules })
+    Some(crate::MacroRules { rules })
 }
 
-fn parse_rule(p: &mut TtCursor) -> Option<mbe::Rule> {
+fn parse_rule(p: &mut TtCursor) -> Option<crate::Rule> {
     let lhs = parse_subtree(p.eat_subtree()?)?;
     p.expect_char('=')?;
     p.expect_char('>')?;
-    let rhs = parse_subtree(p.eat_subtree()?)?;
-    Some(mbe::Rule { lhs, rhs })
+    let mut rhs = parse_subtree(p.eat_subtree()?)?;
+    rhs.delimiter = crate::Delimiter::None;
+    Some(crate::Rule { lhs, rhs })
 }
 
-fn parse_subtree(tt: &tt::Subtree) -> Option<mbe::Subtree> {
+fn parse_subtree(tt: &tt::Subtree) -> Option<crate::Subtree> {
     let mut token_trees = Vec::new();
     let mut p = TtCursor::new(tt);
     while let Some(tt) = p.eat() {
-        let child: mbe::TokenTree = match tt {
+        let child: crate::TokenTree = match tt {
             tt::TokenTree::Leaf(leaf) => match leaf {
                 tt::Leaf::Punct(tt::Punct { char: '$', .. }) => {
                     if p.at_ident().is_some() {
-                        mbe::Leaf::from(parse_var(&mut p)?).into()
+                        crate::Leaf::from(parse_var(&mut p)?).into()
                     } else {
                         parse_repeat(&mut p)?.into()
                     }
                 }
-                tt::Leaf::Punct(punct) => mbe::Leaf::from(*punct).into(),
+                tt::Leaf::Punct(punct) => crate::Leaf::from(*punct).into(),
                 tt::Leaf::Ident(tt::Ident { text }) => {
-                    mbe::Leaf::from(mbe::Ident { text: text.clone() }).into()
+                    crate::Leaf::from(crate::Ident { text: text.clone() }).into()
                 }
                 tt::Leaf::Literal(tt::Literal { text }) => {
-                    mbe::Leaf::from(mbe::Literal { text: text.clone() }).into()
+                    crate::Leaf::from(crate::Literal { text: text.clone() }).into()
                 }
             },
             tt::TokenTree::Subtree(subtree) => parse_subtree(&subtree)?.into(),
         };
         token_trees.push(child);
     }
-    Some(mbe::Subtree {
+    Some(crate::Subtree {
         token_trees,
         delimiter: tt.delimiter,
     })
 }
 
-fn parse_var(p: &mut TtCursor) -> Option<mbe::Var> {
+fn parse_var(p: &mut TtCursor) -> Option<crate::Var> {
     let ident = p.eat_ident().unwrap();
     let text = ident.text.clone();
     let kind = if p.at_char(':') {
@@ -66,12 +67,13 @@ fn parse_var(p: &mut TtCursor) -> Option<mbe::Var> {
     } else {
         None
     };
-    Some(mbe::Var { text, kind })
+    Some(crate::Var { text, kind })
 }
 
-fn parse_repeat(p: &mut TtCursor) -> Option<mbe::Repeat> {
+fn parse_repeat(p: &mut TtCursor) -> Option<crate::Repeat> {
     let subtree = p.eat_subtree().unwrap();
-    let subtree = parse_subtree(subtree)?;
+    let mut subtree = parse_subtree(subtree)?;
+    subtree.delimiter = crate::Delimiter::None;
     let sep = p.eat_punct()?;
     let (separator, rep) = match sep.char {
         '*' | '+' | '?' => (None, sep.char),
@@ -79,13 +81,13 @@ fn parse_repeat(p: &mut TtCursor) -> Option<mbe::Repeat> {
     };
 
     let kind = match rep {
-        '*' => mbe::RepeatKind::ZeroOrMore,
-        '+' => mbe::RepeatKind::OneOrMore,
-        '?' => mbe::RepeatKind::ZeroOrOne,
+        '*' => crate::RepeatKind::ZeroOrMore,
+        '+' => crate::RepeatKind::OneOrMore,
+        '?' => crate::RepeatKind::ZeroOrOne,
         _ => return None,
     };
     p.bump();
-    Some(mbe::Repeat {
+    Some(crate::Repeat {
         subtree,
         kind,
         separator,

diff --git a/crates/ra_mbe/src/syntax_bridge.rs b/crates/ra_mbe/src/syntax_bridge.rs
index aad5f24b7d051c19179f8f188a50bfaa5397aea4..3223f6ea5f565c42d0cbf8925b886f2db14343a2 100644 (file)
--- a/crates/ra_mbe/src/syntax_bridge.rs
+++ b/crates/ra_mbe/src/syntax_bridge.rs
@@ -107,7 +107,7 @@ fn from(it: $v) -> $e {
     let expansion = crate::exapnd(&mbe, &invocation_tt).unwrap();
     assert_eq!(
         expansion.to_string(),
-        "{(impl From < Leaf > for TokenTree {fn from (it : Leaf) -> TokenTree {TokenTree :: Leaf (it)}}) \
-          (impl From < Subtree > for TokenTree {fn from (it : Subtree) -> TokenTree {TokenTree :: Subtree (it)}})}"
+        "impl From < Leaf > for TokenTree {fn from (it : Leaf) -> TokenTree {TokenTree :: Leaf (it)}} \
+         impl From < Subtree > for TokenTree {fn from (it : Subtree) -> TokenTree {TokenTree :: Subtree (it)}}"
     )
 }