Add A reference to the SQL symbol type definer

README.md

@@ -27,9 +27,6 @@ Shortcut keys can be used for actions
 - **Jump to Dao**
   - Jump to action from SQL to Dao
   - You can also jump to the Dao Method from the gutter icon that is displayed together.
-- **Jump to Declaration**
-  - Jump to action from SQL bind variable to declaration location
-  - ex: Dao arguments, fields, method declaration
 
 ## Inspection
 Check that bind variables are used appropriately for Dao and SQL associations.

src/main/java/org/domaframework/doma/intellij/Sql.bnf

@@ -68,6 +68,7 @@
   extends("el_invocation_expr_group|el_primary_expr")=el_factor_expr
   extends("el_logical_expr_group|el_factor_expr")=el_term_expr
   extends(".*expr")=el_expr
+  mixin("el_primary_expr|el_class")="org.domaframework.doma.intellij.psi.SqlCustomExprImpl"
   consumeTokenMethod("literal|word|.*directive|.*expr")="consumeTokenFast"
 }
 
@@ -166,5 +167,8 @@ el_parameters ::= "(" (el_expr ("," el_expr)*)? ")" {pin=1}
 // primary
 el_primary_expr ::= el_literal_expr | el_id_expr | el_paren_expr
 private el_literal_expr ::= EL_NULL | BOOLEAN | (EL_PLUS | EL_MINUS)? EL_NUMBER | EL_STRING | EL_CHAR
-private el_id_expr ::= EL_IDENTIFIER
+el_id_expr ::= EL_IDENTIFIER
+{
+    mixin="org.domaframework.doma.intellij.psi.SqlElPrimaryExprImpl"
+}
 private el_paren_expr ::= "(" el_expr ")" {pin=1}

src/main/java/org/domaframework/doma/intellij/psi/SqlCustomElExpr.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright Doma Tools Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.domaframework.doma.intellij.psi;
+
+import com.intellij.psi.PsiElement;
+
+public interface SqlCustomElExpr extends PsiElement {}

src/main/java/org/domaframework/doma/intellij/psi/SqlCustomExprImpl.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright Doma Tools Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.domaframework.doma.intellij.psi;
+
+import com.intellij.extapi.psi.ASTWrapperPsiElement;
+import com.intellij.lang.ASTNode;
+import com.intellij.psi.PsiReference;
+import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry;
+import org.jetbrains.annotations.NotNull;
+
+public class SqlCustomExprImpl extends ASTWrapperPsiElement implements SqlCustomElExpr {
+
+  public SqlCustomExprImpl(@NotNull ASTNode node) {
+    super(node);
+  }
+
+  @Override
+  public PsiReference @NotNull [] getReferences() {
+    return ReferenceProvidersRegistry.getReferencesFromProviders(this);
+  }
+}