Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/typesystem/TypeSystemParser.java @ 9216:8b9ea2f5c36e
Removed guards from NodeData.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 08 Apr 2013 18:28:41 +0200 |
parents | 0905d796944a |
children | 8b2573c8d47f |
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/* * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.codegen.processor.typesystem; import static com.oracle.truffle.codegen.processor.Utils.*; import java.lang.annotation.*; import java.util.*; import javax.lang.model.element.*; import javax.lang.model.type.*; import javax.lang.model.util.*; import com.oracle.truffle.api.codegen.*; import com.oracle.truffle.codegen.processor.*; import com.oracle.truffle.codegen.processor.template.*; public class TypeSystemParser extends TemplateParser<TypeSystemData> { public static final List<Class<TypeSystem>> ANNOTATIONS = Arrays.asList(TypeSystem.class); public TypeSystemParser(ProcessorContext c) { super(c); } @Override public Class<? extends Annotation> getAnnotationType() { return TypeSystem.class; } @Override protected TypeSystemData parse(Element element, AnnotationMirror mirror) { TypeElement templateType = (TypeElement) element; AnnotationMirror templateTypeAnnotation = mirror; TypeSystemData typeSystem = new TypeSystemData(templateType, templateTypeAnnotation); // annotation type on class path!? TypeElement annotationTypeElement = processingEnv.getElementUtils().getTypeElement(getAnnotationType().getCanonicalName()); if (annotationTypeElement == null) { typeSystem.addError("Required class %s is not on the classpath.", getAnnotationType().getName()); } if (templateType.getModifiers().contains(Modifier.PRIVATE)) { typeSystem.addError("A @%s must have at least package protected visibility.", getAnnotationType().getName()); } if (templateType.getModifiers().contains(Modifier.FINAL)) { typeSystem.addError("The @%s must not be final.", getAnnotationType().getName()); } if (typeSystem.hasErrors()) { return typeSystem; } typeSystem.setTypes(parseTypes(typeSystem)); if (typeSystem.getTypes() == null) { return typeSystem; } TypeMirror genericType = context.getType(Object.class); TypeData voidType = new TypeData(typeSystem, null, context.getType(void.class), context.getType(Void.class)); typeSystem.setGenericType(genericType); typeSystem.setVoidType(voidType); verifyExclusiveMethodAnnotation(typeSystem, TypeCast.class, TypeCheck.class); List<Element> elements = new ArrayList<>(context.getEnvironment().getElementUtils().getAllMembers(templateType)); typeSystem.setExtensionElements(getExtensionParser().parseAll(typeSystem, elements)); if (typeSystem.getExtensionElements() != null) { elements.addAll(typeSystem.getExtensionElements()); } List<TypeCastData> casts = new TypeCastParser(context, typeSystem).parse(elements); List<TypeCheckData> checks = new TypeCheckParser(context, typeSystem).parse(elements); if (casts == null || checks == null) { return typeSystem; } for (TypeCheckData check : checks) { check.getCheckedType().addTypeCheck(check); } for (TypeCastData cast : casts) { cast.getTargetType().addTypeCast(cast); } verifyGenericTypeChecksAndCasts(typeSystem); verifyMethodSignatures(typeSystem); verifyNamesUnique(typeSystem); return typeSystem; } private static void verifyGenericTypeChecksAndCasts(TypeSystemData typeSystem) { for (TypeData type : typeSystem.getTypes()) { if (!type.getTypeChecks().isEmpty()) { boolean hasGeneric = false; for (TypeCheckData typeCheck : type.getTypeChecks()) { if (typeCheck.isGeneric()) { hasGeneric = true; break; } } if (!hasGeneric) { type.addError("No generic but specific @%s method %s for type %s specified. " + "Specify a generic @%s method with parameter type %s to resolve this.", TypeCheck.class.getSimpleName(), TypeSystemCodeGenerator.isTypeMethodName(type), Utils.getSimpleName(type.getBoxedType()), TypeCheck.class.getSimpleName(), Object.class.getSimpleName()); } } if (!type.getTypeCasts().isEmpty()) { boolean hasGeneric = false; for (TypeCastData typeCast : type.getTypeCasts()) { if (typeCast.isGeneric()) { hasGeneric = true; break; } } if (!hasGeneric) { type.addError("No generic but specific @%s method %s for type %s specified. " + "Specify a generic @%s method with parameter type %s to resolve this.", TypeCast.class.getSimpleName(), TypeSystemCodeGenerator.asTypeMethodName(type), Utils.getSimpleName(type.getBoxedType()), TypeCast.class.getSimpleName(), Object.class.getSimpleName()); } } } } private List<TypeData> parseTypes(TypeSystemData typeSystem) { List<TypeData> types = new ArrayList<>(); List<TypeMirror> typeMirrors = Utils.getAnnotationValueList(TypeMirror.class, typeSystem.getTemplateTypeAnnotation(), "value"); if (typeMirrors.isEmpty()) { typeSystem.addError("At least one type must be defined."); return types; } final AnnotationValue annotationValue = Utils.getAnnotationValue(typeSystem.getTemplateTypeAnnotation(), "value"); final TypeMirror objectType = context.getType(Object.class); for (TypeMirror primitiveType : typeMirrors) { TypeMirror boxedType = Utils.boxType(context, primitiveType); TypeData typeData = new TypeData(typeSystem, annotationValue, primitiveType, boxedType); if (isPrimitiveWrapper(primitiveType)) { typeData.addError("Types must not contain primitive wrapper types."); } if (Utils.typeEquals(boxedType, objectType)) { typeData.addError("Types must not contain the generic type java.lang.Object."); } types.add(typeData); } verifyTypeOrder(types); types.add(new TypeData(typeSystem, annotationValue, objectType, objectType)); return types; } private static void verifyTypeOrder(List<TypeData> types) { Map<String, List<String>> invalidTypes = new HashMap<>(); for (int i = types.size() - 1; i >= 0; i--) { TypeData typeData = types.get(i); TypeMirror type = typeData.getBoxedType(); if (invalidTypes.containsKey(Utils.getQualifiedName(type))) { typeData.addError("Invalid type order. The type(s) %s are inherited from a earlier defined type %s.", invalidTypes.get(Utils.getQualifiedName(type)), Utils.getQualifiedName(type)); } List<String> nextInvalidTypes = Utils.getQualifiedSuperTypeNames(Utils.fromTypeMirror(type)); nextInvalidTypes.add(getQualifiedName(type)); for (String qualifiedName : nextInvalidTypes) { List<String> inheritedTypes = invalidTypes.get(qualifiedName); if (inheritedTypes == null) { inheritedTypes = new ArrayList<>(); invalidTypes.put(qualifiedName, inheritedTypes); } inheritedTypes.add(Utils.getQualifiedName(typeData.getBoxedType())); } } } private boolean isPrimitiveWrapper(TypeMirror type) { Types types = context.getEnvironment().getTypeUtils(); for (TypeKind kind : TypeKind.values()) { if (!kind.isPrimitive()) { continue; } if (Utils.typeEquals(type, types.boxedClass(types.getPrimitiveType(kind)).asType())) { return true; } } return false; } private void verifyMethodSignatures(TypeSystemData typeSystem) { Set<String> generatedIsMethodNames = new HashSet<>(); Set<String> generatedAsMethodNames = new HashSet<>(); Set<String> generatedExpectMethodNames = new HashSet<>(); for (TypeData typeData : typeSystem.getTypes()) { generatedIsMethodNames.add(TypeSystemCodeGenerator.isTypeMethodName(typeData)); generatedAsMethodNames.add(TypeSystemCodeGenerator.asTypeMethodName(typeData)); generatedExpectMethodNames.add(TypeSystemCodeGenerator.expectTypeMethodName(typeData)); } List<ExecutableElement> methods = ElementFilter.methodsIn(typeSystem.getTemplateType().getEnclosedElements()); for (ExecutableElement method : methods) { if (method.getModifiers().contains(Modifier.PRIVATE)) { // will not conflict overridden methods continue; } else if (method.getParameters().size() != 1) { continue; } String methodName = method.getSimpleName().toString(); if (generatedIsMethodNames.contains(methodName)) { verifyIsMethod(typeSystem, method); } else if (generatedAsMethodNames.contains(methodName)) { verifyAsMethod(typeSystem, method); } else if (generatedExpectMethodNames.contains(methodName)) { verifyExpectMethod(typeSystem); } } } private boolean verifyIsMethod(TypeSystemData typeSystem, ExecutableElement method) { AnnotationMirror mirror = Utils.findAnnotationMirror(processingEnv, method, TypeCheck.class); if (mirror == null) { typeSystem.addError("Method starting with the pattern is${typeName} must be annotated with @%s.", TypeCheck.class.getSimpleName()); return false; } return true; } private boolean verifyAsMethod(TypeSystemData typeSystem, ExecutableElement method) { AnnotationMirror mirror = Utils.findAnnotationMirror(processingEnv, method, TypeCast.class); if (mirror == null) { typeSystem.addError("Method starting with the pattern as${typeName} must be annotated with @%s.", TypeCast.class.getSimpleName()); return false; } return true; } private static boolean verifyExpectMethod(TypeSystemData typeSystem) { typeSystem.addError("Method starting with the pattern expect${typeName} must not be declared manually."); return false; } private static void verifyNamesUnique(TypeSystemData typeSystem) { List<TypeData> types = typeSystem.getTypes(); for (int i = 0; i < types.size(); i++) { for (int j = i + 1; j < types.size(); j++) { String name1 = Utils.getSimpleName(types.get(i).getBoxedType()); String name2 = Utils.getSimpleName(types.get(j).getBoxedType()); if (name1.equalsIgnoreCase(name2)) { typeSystem.addError("Two types result in the same name: %s, %s.", name1, name2); } } } } }