Add colon token to MatchStatement and CaseBlock interfaces

Author: andreaguarino

python-frontend/src/main/java/org/sonar/plugins/python/api/tree/CaseBlock.java

@@ -41,6 +41,8 @@ public interface CaseBlock extends Tree {
   @CheckForNull
   Guard guard();
 
+  Token colon();
+
   StatementList body();
 
 }

python-frontend/src/main/java/org/sonar/plugins/python/api/tree/MatchStatement.java

@@ -38,5 +38,7 @@ public interface MatchStatement extends Statement {
 
   Expression subjectExpression();
 
+  Token colon();
+
   List<CaseBlock> caseBlocks();
 }

python-frontend/src/main/java/org/sonar/python/tree/CaseBlockImpl.java

@@ -77,6 +77,11 @@ public Guard guard() {
     return guard;
   }
 
+  @Override
+  public Token colon() {
+    return colon;
+  }
+
   @Override
   public StatementList body() {
     return body;

python-frontend/src/main/java/org/sonar/python/tree/MatchStatementImpl.java

@@ -61,6 +61,11 @@ public Expression subjectExpression() {
     return subjectExpression;
   }
 
+  @Override
+  public Token colon() {
+    return colon;
+  }
+
   @Override
   public List<CaseBlock> caseBlocks() {
     return caseBlocks;

python-frontend/src/test/java/org/sonar/python/tree/PythonTreeMakerMatchStatementTest.java

@@ -65,13 +65,15 @@ public void match_statement() {
     assertThat(matchStatement.getKind()).isEqualTo(Kind.MATCH_STMT);
     assertThat(matchStatement.matchKeyword().value()).isEqualTo("match");
     assertThat(matchStatement.subjectExpression().getKind()).isEqualTo(Kind.NAME);
+    assertThat(matchStatement.colon().value()).isEqualTo(":");
     assertThat(matchStatement.caseBlocks()).hasSize(1);
     assertThat(matchStatement.children()).extracting(Tree::getKind)
       .containsExactly(Kind.TOKEN, Kind.NAME, Kind.TOKEN, Kind.TOKEN, Kind.TOKEN, Kind.CASE_BLOCK, Kind.TOKEN);
 
     CaseBlock caseBlock = matchStatement.caseBlocks().get(0);
     assertThat(caseBlock.caseKeyword().value()).isEqualTo("case");
     assertThat(caseBlock.guard()).isNull();
+    assertThat(caseBlock.colon().value()).isEqualTo(":");
     assertThat(caseBlock.body().statements()).extracting(Tree::getKind).containsExactly(Kind.EXPRESSION_STMT);
     assertThat(caseBlock.children()).extracting(Tree::getKind)
       .containsExactly(Kind.TOKEN, Kind.NUMERIC_LITERAL_PATTERN, Kind.TOKEN, Kind.STATEMENT_LIST);