Teach YANG parser to retain DeclarationReference

[yangtools.git] / yang / yang-parser-rfc7950 / src / main / java / org / opendaylight / yangtools / yang / parser / rfc7950 / stmt / type / AbstractIdentityRefSpecificationSupport.java

diff --git a/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/type/AbstractIdentityRefSpecificationSupport.java b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/type/AbstractIdentityRefSpecificationSupport.java
index ecb8fbacf55b3170cc54be01d30545ef9f2b1784..edf67dca168a905941b40abe1613e83b99e3125a 100644 (file)
--- a/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/type/AbstractIdentityRefSpecificationSupport.java
+++ b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/type/AbstractIdentityRefSpecificationSupport.java
@@ -7,56 +7,93 @@
  */
 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.type;
 
+import static com.google.common.base.Verify.verify;
+import static com.google.common.base.Verify.verifyNotNull;
+
+import com.google.common.collect.ImmutableList;
 import java.util.Collection;
 import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
+import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
+import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.BaseEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.BaseStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.IdentityEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement.IdentityRefSpecification;
+import org.opendaylight.yangtools.yang.model.parser.api.YangParserConfiguration;
+import org.opendaylight.yangtools.yang.model.ri.type.BaseTypes;
+import org.opendaylight.yangtools.yang.model.ri.type.IdentityrefTypeBuilder;
 import org.opendaylight.yangtools.yang.parser.spi.IdentityNamespace;
-import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
+import org.opendaylight.yangtools.yang.parser.spi.meta.CommonStmtCtx;
+import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
+import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
 
 abstract class AbstractIdentityRefSpecificationSupport
-        extends AbstractStatementSupport<String, IdentityRefSpecification,
-            EffectiveStatement<String, IdentityRefSpecification>> {
-    AbstractIdentityRefSpecificationSupport() {
-        super(YangStmtMapping.TYPE);
+        extends AbstractTypeSupport<IdentityRefSpecification> {
+    AbstractIdentityRefSpecificationSupport(final YangParserConfiguration config) {
+        super(config);
     }
 
     @Override
-    public final String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
-        return value;
-    }
+    public final void onFullDefinitionDeclared(final Mutable<QName, IdentityRefSpecification,
+            EffectiveStatement<QName, IdentityRefSpecification>> stmt) {
+        super.onFullDefinitionDeclared(stmt);
 
-    @Override
-    public final IdentityRefSpecification createDeclared(final StmtContext<String, IdentityRefSpecification, ?> ctx) {
-        return new IdentityRefSpecificationImpl(ctx);
+        final Collection<StmtContext<QName, BaseStatement, ?>> baseStatements =
+                StmtContextUtils.findAllDeclaredSubstatements(stmt, BaseStatement.class);
+        for (StmtContext<QName, BaseStatement, ?> baseStmt : baseStatements) {
+            final QName baseIdentity = baseStmt.getArgument();
+            final StmtContext<?, ?, ?> stmtCtx = stmt.getFromNamespace(IdentityNamespace.class, baseIdentity);
+            InferenceException.throwIfNull(stmtCtx, stmt,
+                "Referenced base identity '%s' doesn't exist in given scope (module, imported modules, submodules)",
+                baseIdentity.getLocalName());
+        }
     }
 
     @Override
-    public final EffectiveStatement<String, IdentityRefSpecification> createEffective(
-            final StmtContext<String, IdentityRefSpecification,
-            EffectiveStatement<String, IdentityRefSpecification>> ctx) {
-        return new IdentityRefSpecificationEffectiveStatement(ctx);
+    protected final IdentityRefSpecification createDeclared(final StmtContext<QName, IdentityRefSpecification, ?> ctx,
+            final ImmutableList<? extends DeclaredStatement<?>> substatements) {
+        if (substatements.isEmpty()) {
+            throw noBase(ctx);
+        }
+        return new IdentityRefSpecificationImpl(ctx.getRawArgument(), ctx.getArgument(), substatements);
     }
 
     @Override
-    public final void onFullDefinitionDeclared(final Mutable<String, IdentityRefSpecification,
-            EffectiveStatement<String, IdentityRefSpecification>> stmt) {
-        super.onFullDefinitionDeclared(stmt);
+    protected final EffectiveStatement<QName, IdentityRefSpecification> createEffective(
+            final Current<QName, IdentityRefSpecification> stmt,
+            final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
+        if (substatements.isEmpty()) {
+            throw noBase(stmt);
+        }
 
-        final Collection<StmtContext<QName, BaseStatement, ?>> baseStatements =
-                StmtContextUtils.<QName, BaseStatement>findAllDeclaredSubstatements(stmt, BaseStatement.class);
-        for (StmtContext<QName, BaseStatement, ?> baseStmt : baseStatements) {
-            final QName baseIdentity = baseStmt.getStatementArgument();
-            final StmtContext<?, ?, ?> stmtCtx = stmt.getFromNamespace(IdentityNamespace.class, baseIdentity);
-            InferenceException.throwIfNull(stmtCtx, stmt.getStatementSourceReference(),
-                "Referenced base identity '%s' doesn't exist in given scope (module, imported modules, submodules)",
-                    baseIdentity.getLocalName());
+        final IdentityrefTypeBuilder builder = BaseTypes.identityrefTypeBuilder(stmt.argumentAsTypeQName());
+        for (final EffectiveStatement<?, ?> subStmt : substatements) {
+            if (subStmt instanceof BaseEffectiveStatement) {
+                final QName identityQName = ((BaseEffectiveStatement) subStmt).argument();
+                final IdentityEffectiveStatement baseIdentity =
+                    verifyNotNull(stmt.getFromNamespace(IdentityNamespace.class, identityQName)).buildEffective();
+                verify(baseIdentity instanceof IdentitySchemaNode, "Statement %s is not an IdentitySchemaNode",
+                    baseIdentity);
+                builder.addIdentity((IdentitySchemaNode) baseIdentity);
+            }
         }
+
+        return new TypeEffectiveStatementImpl<>(stmt.declared(), substatements, builder);
+    }
+
+    private static SourceException noBase(final CommonStmtCtx stmt) {
+        /*
+         *  https://tools.ietf.org/html/rfc7950#section-9.10.2
+         *
+         *     The "base" statement, which is a substatement to the "type"
+         *     statement, MUST be present at least once if the type is
+         *     "identityref".
+         */
+        return new SourceException("At least one base statement has to be present", stmt);
     }
 }
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