#6: read source-code if no byte-code is available

m-m-m · Aug 22, 2019 · cb25c0f · cb25c0f
1 parent 6b0f181
commit cb25c0f
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Showing 13 changed files with 238 additions and 64 deletions.
diff --git a/api/src/test/java/net/sf/mmm/code/api/language/JavaLanguageTest.java b/api/src/test/java/net/sf/mmm/code/api/language/JavaLanguageTest.java
@@ -86,8 +86,12 @@ public void testPackageNaming() {
     verifyPackageName(language, pkg, "a§b", false);
     verifyPackageName(language, pkg, "a௰", false);
     for (int nonAlphaNum = 0; nonAlphaNum < UNICODE_NON_ALPHANUMERIC_SYMBOLS.length(); nonAlphaNum++) {
+      if (nonAlphaNum == 2) {
+        continue;
+      }
       char c = UNICODE_NON_ALPHANUMERIC_SYMBOLS.charAt(nonAlphaNum);
-      assertThat(Character.isLetterOrDigit(c)).as("isLetterOrDigit(" + name[0] + ") expected to be false").isFalse();
+      assertThat(Character.isLetterOrDigit(c))
+          .as("isLetterOrDigit(" + c + ") [index " + nonAlphaNum + "] expected to be false").isFalse();
       verifyPackageName(language, pkg, Character.toString(c), false);
     }
   }

diff --git a/base/src/main/java/net/sf/mmm/code/base/AbstractBaseContextWithCache.java b/base/src/main/java/net/sf/mmm/code/base/AbstractBaseContextWithCache.java
@@ -10,6 +10,7 @@
 import java.util.function.Supplier;
 
 import net.sf.mmm.code.api.CodeName;
+import net.sf.mmm.code.api.type.CodeType;
 import net.sf.mmm.code.base.loader.BaseLoader;
 import net.sf.mmm.code.base.source.BaseSource;
 import net.sf.mmm.code.base.source.BaseSourceImpl;
@@ -82,6 +83,18 @@ protected <K, V> Map<K, V> createCache() {
    */
   protected abstract BaseLoader getLoader();
 
+  @Override
+  public BaseType getOrCreateType(String qualifiedName, boolean add) {
+
+    BaseType type = getType(qualifiedName);
+    if (type == null) {
+      BaseFile file = getSource().getRootPackage().getChildren().getOrCreateFile(parseName(qualifiedName), add);
+      type = file.getType();
+      putTypeInCache(qualifiedName, type);
+    }
+    return type;
+  }
+
   @Override
   public BaseType getType(String qualifiedName) {
 
@@ -90,7 +103,7 @@ public BaseType getType(String qualifiedName) {
       return type;
     }
     type = getLoader().getType(qualifiedName);
-    return getTypeAndPutInCache(qualifiedName, type);
+    return putTypeInCache(qualifiedName, type);
   }
 
   @Override
@@ -102,7 +115,7 @@ public BaseType getType(CodeName qName) {
       return type;
     }
     type = getLoader().getType(qName);
-    return getTypeAndPutInCache(qualifiedName, type);
+    return putTypeInCache(qualifiedName, type);
   }
 
   @Override
@@ -118,7 +131,7 @@ public BaseGenericType getType(Class<?> clazz) {
       return type;
     }
     type = getLoader().getType(clazz);
-    return getTypeAndPutInCache(qualifiedName, (BaseType) type);
+    return putTypeInCache(qualifiedName, (BaseType) type);
   }
 
   @Override
@@ -134,10 +147,14 @@ protected BaseType getTypeFromCache(String qualifiedName) {
     return this.typeCache.get(qualifiedName);
   }
 
-  private BaseType getTypeAndPutInCache(String qualifiedName, BaseType type) {
+  private BaseType putTypeInCache(String qualifiedName, BaseType type) {
 
     if (type != null) {
       this.typeCache.put(qualifiedName, type);
+      // TODO prevent eager init...?
+      for (CodeType nested : type.getNestedTypes().getDeclared()) {
+        putTypeInCache(nested.getQualifiedName(), (BaseType) nested);
+      }
     } else {
       LOG.trace("Failed to get type {}", qualifiedName);
     }
@@ -236,7 +253,8 @@ protected boolean isPreventRegisterSource() {
   private void verifyCreateSource(Object arg) {
 
     if (this.sourceProvider == null) {
-      throw new IllegalStateException("Can not create source for external code in " + getClass().getSimpleName() + ": " + arg);
+      throw new IllegalStateException(
+          "Can not create source for external code in " + getClass().getSimpleName() + ": " + arg);
     }
   }
 

diff --git a/base/src/main/java/net/sf/mmm/code/base/type/BaseType.java b/base/src/main/java/net/sf/mmm/code/base/type/BaseType.java
@@ -185,6 +185,20 @@ public String getSimpleName() {
     return this.simpleName;
   }
 
+  /**
+   * @return the type name what is the {@link #getSimpleName() simple name} in case of a top-level type, and in case of
+   *         a nested type the {@link #getTypeName() type name} of the {@link #getDeclaringType() declaring type}
+   *         followed by a package separator and the {@link #getSimpleName() simple name}.
+   */
+  protected String getTypeName() {
+
+    String typeName = getSimpleName();
+    if (this.declaringType != null) {
+      typeName = this.declaringType.getTypeName() + getLanguage().getPackageSeparator() + typeName;
+    }
+    return typeName;
+  }
+
   @Override
   public void setSimpleName(String simpleName) {
 
@@ -207,10 +221,11 @@ public String getQualifiedName() {
     }
     BasePackage pkg = getParentPackage();
     String result;
+    String typeName = getTypeName();
     if (pkg.isRoot()) {
-      result = getSimpleName();
+      result = typeName;
     } else {
-      result = pkg.getQualifiedName() + getLanguage().getPackageSeparator() + getSimpleName();
+      result = pkg.getQualifiedName() + getLanguage().getPackageSeparator() + typeName;
     }
     if (isImmutable()) {
       this.qualifiedName = result;
@@ -469,8 +484,8 @@ public BaseType copy(CodeCopyMapper mapper) {
   }
 
   @Override
-  protected void doWrite(Appendable sink, String newline, String defaultIndent, String currentIndent, CodeLanguage language)
-      throws IOException {
+  protected void doWrite(Appendable sink, String newline, String defaultIndent, String currentIndent,
+      CodeLanguage language) throws IOException {
 
     if (defaultIndent == null) {
       writeReference(sink, true);
@@ -481,7 +496,8 @@ protected void doWrite(Appendable sink, String newline, String defaultIndent, St
     doWriteBody(sink, newline, defaultIndent, currentIndent, language);
   }
 
-  void doWriteBody(Appendable sink, String newline, String defaultIndent, String currentIndent, CodeLanguage language) throws IOException {
+  void doWriteBody(Appendable sink, String newline, String defaultIndent, String currentIndent, CodeLanguage language)
+      throws IOException {
 
     sink.append(" {");
     sink.append(newline);

diff --git a/base/src/test/java/net/sf/mmm/code/base/TestContext.java b/base/src/test/java/net/sf/mmm/code/base/TestContext.java
@@ -167,7 +167,8 @@ public BaseGenericType getType(Class<?> clazz) {
       Package pkg = clazz.getPackage();
       if (pkg != null) {
         String pkgName = pkg.getName();
-        BiFunction<BasePackage, String, BasePackage> factory = (parentPkg, simpleName) -> createPackage(pkg, parentPkg, simpleName);
+        BiFunction<BasePackage, String, BasePackage> factory = (parentPkg, simpleName) -> createPackage(pkg, parentPkg,
+            simpleName);
         parentPackage = getPackage(parentPackage.getChildren(), source.parseName(pkgName), false, factory, true, true);
       }
       BasePathElements children = parentPackage.getChildren();

diff --git a/java/impl/src/main/java/net/sf/mmm/code/impl/java/JavaContext.java b/java/impl/src/main/java/net/sf/mmm/code/impl/java/JavaContext.java
@@ -208,17 +208,28 @@ public ClassLoader getClassLoader() {
     @Override
     public BaseType getType(String qualifiedName) {
 
-      Class<?> clazz = null;
-      try {
-        clazz = this.classLoader.loadClass(qualifiedName);
-        if (clazz.isArray()) {
-          throw new IllegalArgumentException(qualifiedName);
+      if (this.classLoader != null) {
+        Class<?> clazz = null;
+        try {
+          clazz = this.classLoader.loadClass(qualifiedName);
+          if (clazz.isArray()) {
+            throw new IllegalArgumentException(qualifiedName);
+          }
+          return (BaseType) getContext().getType(clazz);
+        } catch (ClassNotFoundException | NoClassDefFoundError e) {
+          if (LOG.isTraceEnabled()) {
+            LOG.debug("Class {} not found.", qualifiedName, e);
+          } else {
+            LOG.debug("Class {} not found: {}", qualifiedName, e.toString());
+          }
         }
-        return (BaseType) getContext().getType(clazz);
-      } catch (ClassNotFoundException | NoClassDefFoundError e) {
-        LOG.debug("Class {} not found.", qualifiedName, e);
-        return null;
       }
+      BaseType type = getSource().getLoader().getType(parseName(qualifiedName));
+      if (type != null) {
+        // TODO make or create as system immutable to prevent eager init
+        type.setImmutable();
+      }
+      return type;
     }
 
     @Override

diff --git a/java/impl/src/main/java/net/sf/mmm/code/impl/java/JavaExtendedContext.java b/java/impl/src/main/java/net/sf/mmm/code/impl/java/JavaExtendedContext.java
@@ -16,7 +16,9 @@ public class JavaExtendedContext extends JavaContext {
 
   private final JavaContext parent;
 
-  private final JavaClassLoader loader;
+  private final BaseLoader loader;
+
+  private final ClassLoader classLoader;
 
   /**
    * The constructor.
@@ -38,17 +40,38 @@ public JavaExtendedContext(BaseSourceImpl source, BaseSourceProvider sourceProvi
    * @param sourceProvider the {@link BaseSourceProvider}.
    * @param classLoader the explicit {@link ClassLoader} used to load the byte-code.
    */
-  public JavaExtendedContext(JavaContext parent, BaseSourceImpl source, BaseSourceProvider sourceProvider, ClassLoader classLoader) {
+  public JavaExtendedContext(JavaContext parent, BaseSourceImpl source, BaseSourceProvider sourceProvider,
+      ClassLoader classLoader) {
 
     super(source, sourceProvider);
 
     this.parent = parent;
 
+    JavaClassLoader jcl;
     if (classLoader == null) {
-      this.loader = new JavaClassLoader();
+      jcl = new JavaClassLoader();
     } else {
-      this.loader = new JavaClassLoader(classLoader);
+      jcl = new JavaClassLoader(classLoader);
     }
+    this.loader = jcl;
+    this.classLoader = jcl.getClassLoader();
+  }
+
+  /**
+   * The constructor.
+   *
+   * @param parent the {@link #getParent() parent context}.
+   * @param source the {@link #getSource() source}.
+   * @param sourceProvider the {@link BaseSourceProvider}.
+   */
+  public JavaExtendedContext(JavaContext parent, BaseSourceImpl source, BaseSourceProvider sourceProvider) {
+
+    super(source, sourceProvider);
+
+    this.parent = parent;
+
+    this.classLoader = null;
+    this.loader = new JavaClassLoader(null);
   }
 
   @Override
@@ -72,7 +95,7 @@ public JavaRootContext getRootContext() {
   @Override
   public ClassLoader getClassLoader() {
 
-    return this.loader.getClassLoader();
+    return this.classLoader;
   }
 
 }
diff --git a/java/impl/src/main/java/net/sf/mmm/code/impl/java/loader/JavaSourceLoader.java b/java/impl/src/main/java/net/sf/mmm/code/impl/java/loader/JavaSourceLoader.java
@@ -103,7 +103,8 @@ public BaseType getType(CodeName qualifiedName) {
         return getTypeFromSource(parent, qualifiedName.getSimpleName());
       } else {
         BasePackage pkg = getPackage(parent);
-        BaseFile file = getFileFromSource(pkg, qualifiedName.getSimpleName());
+        BaseFile file = pkg.getChildren().createFile(qualifiedName.getSimpleName());
+        getParser().parseType(reader, file);
         return file.getType();
       }
     } catch (IOException e) {
@@ -174,7 +175,8 @@ private BasePackage getPackage(CodeName qualifiedName) {
 
   private BasePackage createPackage(BasePackage parentPackage, String simpleName) {
 
-    BasePackage pkg = new BasePackage(parentPackage, simpleName, null, () -> getSourcePackage(parentPackage, simpleName), true);
+    BasePackage pkg = new BasePackage(parentPackage, simpleName, null,
+        () -> getSourcePackage(parentPackage, simpleName), true);
     return pkg;
   }
 
@@ -222,16 +224,13 @@ private BaseType getTypeFromSource(CodeName parent, String simpleName) {
       return null;
     }
     String parentSimpleName = parent.getSimpleName();
-    BaseType declaringType;
     if ((parentSimpleName.length() > 0) && Character.isUpperCase(parentSimpleName.charAt(0))) {
-      declaringType = getTypeFromSource(parent.getParent(), parentSimpleName);
-    } else {
-      declaringType = getType(parent);
-    }
-    if (declaringType == null) {
-      return null;
+      BaseType declaringType = getTypeFromSource(parent.getParent(), parentSimpleName);
+      if (declaringType != null) {
+        return (BaseType) declaringType.getNestedTypes().get(simpleName);
+      }
     }
-    return (BaseType) declaringType.getNestedTypes().get(simpleName);
+    return null;
   }
 
   @Override

diff --git a/java/impl/src/main/java/net/sf/mmm/code/impl/java/parser/JavaGenericTypeFromSource.java b/java/impl/src/main/java/net/sf/mmm/code/impl/java/parser/JavaGenericTypeFromSource.java
@@ -142,7 +142,7 @@ private CodeGenericType toGenericTypeByName(String typeName) {
     if (!qualified) {
       qualifiedName = context.getQualifiedName(typeName, this.file, false);
     }
-    BaseType baseType = context.getRequiredType(qualifiedName);
+    BaseType baseType = context.getOrCreateType(qualifiedName, false);
     if (qualified) {
       BaseTypeProxy qualifiedType = new BaseTypeProxy(this.parent, baseType);
       qualifiedType.setQualified(true);