github action caching, some docs

.github/workflows/antlr.yml

@@ -29,6 +29,13 @@ jobs:
         with:
           toolchain: nightly-2020-12-23
           default: true
+      - name: Cache local Maven repository
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
       - name: Build with Maven
         run : mvn -DskipTests install -q
       - name : Maven tests

.github/workflows/publish.yml

@@ -14,7 +14,7 @@ jobs:
         with:
           toolchain: nightly-2020-12-23
           default: true
-      - name: Cargo publish
+      - name: Cargo publish check
         env:
           CRATES_IO_PUBLISH_TOKEN: ${{ secrets.CRATES_IO_PUBLISH_TOKEN }}
         run: |
@@ -35,7 +35,7 @@ jobs:
         with:
           tag_name: antlr4-4.8-2-Rust-0.2
           release_name: antlr4-4.8-2-Rust-0.2
-          draft: true
+          draft: false
           prerelease: false
       - name: Upload Release Asset
         uses: actions/upload-release-asset@v1
@@ -47,3 +47,5 @@ jobs:
           asset_name: antlr4-4.8-2-SNAPSHOT-complete.jar
           asset_content_type: application/java-archive
 
+      - name: Cargo publish
+        run: cargo publish

src/rule_context.rs

@@ -12,6 +12,7 @@ use crate::parser_rule_context::ParserRuleContext;
 use crate::token_factory::TokenFactory;
 use crate::tree::{ParseTree, Tree};
 use better_any::{Tid, TidAble};
+use std::any::type_name;
 
 //pub trait RuleContext:RuleNode {
 /// Minimal rule context functionality required for parser to work properly
@@ -101,8 +102,10 @@ impl<'a, TF: TokenFactory<'a>> ParserNodeType<'a> for EmptyContextType<'a, TF> {
 #[allow(missing_docs)]
 pub trait CustomRuleContext<'input> {
     type TF: TokenFactory<'input> + 'input;
+    /// Type that describes type of context nodes, stored in this context
     type Ctx: ParserNodeType<'input, TF = Self::TF>;
     //const RULE_INDEX:usize;
+    /// Rule index that corresponds to this context type
     fn get_rule_index(&self) -> usize;
 
     fn get_alt_number(&self) -> isize { INVALID_ALT }
@@ -194,7 +197,12 @@ impl<'input, ExtCtx: CustomRuleContext<'input>> RuleContext<'input>
 }
 
 impl<'input, ExtCtx: CustomRuleContext<'input>> Debug for BaseRuleContext<'input, ExtCtx> {
-    fn fmt(&self, _f: &mut Formatter<'_>) -> std::fmt::Result { unimplemented!() }
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct(type_name::<Self>())
+            .field("invoking_state", &self.invoking_state)
+            .field("..", &"..")
+            .finish()
+    }
 }
 
 impl<'input, ExtCtx: CustomRuleContext<'input>> Tree<'input> for BaseRuleContext<'input, ExtCtx> {}