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Diffstat (limited to 'src/lombok/eclipse/Eclipse.java')
| -rw-r--r-- | src/lombok/eclipse/Eclipse.java | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/src/lombok/eclipse/Eclipse.java b/src/lombok/eclipse/Eclipse.java deleted file mode 100644 index 41d9300f..00000000 --- a/src/lombok/eclipse/Eclipse.java +++ /dev/null @@ -1,479 +0,0 @@ -/* - * Copyright © 2009 Reinier Zwitserloot and Roel Spilker. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -package lombok.eclipse; - -import java.lang.reflect.Field; -import java.lang.reflect.Method; -import java.lang.reflect.Modifier; -import java.util.ArrayList; -import java.util.Collection; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import lombok.Lombok; -import lombok.core.AnnotationValues; -import lombok.core.TypeLibrary; -import lombok.core.TypeResolver; -import lombok.core.AST.Kind; -import lombok.core.AnnotationValues.AnnotationValue; - -import org.eclipse.core.runtime.ILog; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.Status; -import org.eclipse.jdt.internal.compiler.ast.ASTNode; -import org.eclipse.jdt.internal.compiler.ast.Annotation; -import org.eclipse.jdt.internal.compiler.ast.ArrayInitializer; -import org.eclipse.jdt.internal.compiler.ast.ArrayQualifiedTypeReference; -import org.eclipse.jdt.internal.compiler.ast.ArrayTypeReference; -import org.eclipse.jdt.internal.compiler.ast.ClassLiteralAccess; -import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration; -import org.eclipse.jdt.internal.compiler.ast.Expression; -import org.eclipse.jdt.internal.compiler.ast.Literal; -import org.eclipse.jdt.internal.compiler.ast.MarkerAnnotation; -import org.eclipse.jdt.internal.compiler.ast.MemberValuePair; -import org.eclipse.jdt.internal.compiler.ast.NormalAnnotation; -import org.eclipse.jdt.internal.compiler.ast.ParameterizedQualifiedTypeReference; -import org.eclipse.jdt.internal.compiler.ast.ParameterizedSingleTypeReference; -import org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference; -import org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference; -import org.eclipse.jdt.internal.compiler.ast.SingleMemberAnnotation; -import org.eclipse.jdt.internal.compiler.ast.SingleNameReference; -import org.eclipse.jdt.internal.compiler.ast.SingleTypeReference; -import org.eclipse.jdt.internal.compiler.ast.TypeParameter; -import org.eclipse.jdt.internal.compiler.ast.TypeReference; -import org.eclipse.jdt.internal.compiler.ast.Wildcard; -import org.eclipse.jdt.internal.compiler.lookup.TypeIds; -import org.osgi.framework.Bundle; - -public class Eclipse { - /** - * Eclipse's Parser class is instrumented to not attempt to fill in the body of any method or initializer - * or field initialization if this flag is set. Set it on the flag field of - * any method, field, or initializer you create! - */ - public static final int ECLIPSE_DO_NOT_TOUCH_FLAG = ASTNode.Bit24; - - private Eclipse() { - //Prevent instantiation - } - - private static final String DEFAULT_BUNDLE = "org.eclipse.jdt.core"; - - /** - * Generates an error in the Eclipse error log. Note that most people never look at it! - */ - public static void error(CompilationUnitDeclaration cud, String message) { - error(cud, message, DEFAULT_BUNDLE, null); - } - - /** - * Generates an error in the Eclipse error log. Note that most people never look at it! - */ - public static void error(CompilationUnitDeclaration cud, String message, Throwable error) { - error(cud, message, DEFAULT_BUNDLE, error); - } - - /** - * Generates an error in the Eclipse error log. Note that most people never look at it! - */ - public static void error(CompilationUnitDeclaration cud, String message, String bundleName) { - error(cud, message, bundleName, null); - } - - /** - * Generates an error in the Eclipse error log. Note that most people never look at it! - */ - public static void error(CompilationUnitDeclaration cud, String message, String bundleName, Throwable error) { - Bundle bundle = Platform.getBundle(bundleName); - if (bundle == null) { - System.err.printf("Can't find bundle %s while trying to report error:\n%s\n", bundleName, message); - return; - } - - ILog log = Platform.getLog(bundle); - - log.log(new Status(IStatus.ERROR, bundleName, message, error)); - if (cud != null) EclipseAST.addProblemToCompilationResult(cud, false, message + " - See error log.", 0, 0); - } - - /** - * For 'speed' reasons, Eclipse works a lot with char arrays. I have my doubts this was a fruitful exercise, - * but we need to deal with it. This turns [[java][lang][String]] into "java.lang.String". - */ - public static String toQualifiedName(char[][] typeName) { - StringBuilder sb = new StringBuilder(); - boolean first = true; - for (char[] c : typeName) { - sb.append(first ? "" : ".").append(c); - first = false; - } - return sb.toString(); - } - - public static char[][] fromQualifiedName(String typeName) { - String[] split = typeName.split("\\."); - char[][] result = new char[split.length][]; - for (int i = 0; i < split.length; i++) { - result[i] = split[i].toCharArray(); - } - return result; - } - - - /** - * You can't share TypeParameter objects or bad things happen; for example, one 'T' resolves differently - * from another 'T', even for the same T in a single class file. Unfortunately the TypeParameter type hierarchy - * is complicated and there's no clone method on TypeParameter itself. This method can clone them. - */ - public static TypeParameter[] copyTypeParams(TypeParameter[] params, ASTNode source) { - if (params == null) return null; - TypeParameter[] out = new TypeParameter[params.length]; - int idx = 0; - for (TypeParameter param : params) { - TypeParameter o = new TypeParameter(); - setGeneratedBy(o, source); - o.annotations = param.annotations; - o.bits = param.bits; - o.modifiers = param.modifiers; - o.name = param.name; - o.type = copyType(param.type, source); - o.sourceStart = param.sourceStart; - o.sourceEnd = param.sourceEnd; - o.declarationEnd = param.declarationEnd; - o.declarationSourceStart = param.declarationSourceStart; - o.declarationSourceEnd = param.declarationSourceEnd; - if (param.bounds != null) { - TypeReference[] b = new TypeReference[param.bounds.length]; - int idx2 = 0; - for (TypeReference ref : param.bounds) b[idx2++] = copyType(ref, source); - o.bounds = b; - } - out[idx++] = o; - } - return out; - } - - /** - * Convenience method that creates a new array and copies each TypeReference in the source array via - * {@link #copyType(TypeReference, ASTNode)}. - */ - public static TypeReference[] copyTypes(TypeReference[] refs, ASTNode source) { - if (refs == null) return null; - TypeReference[] outs = new TypeReference[refs.length]; - int idx = 0; - for (TypeReference ref : refs) { - outs[idx++] = copyType(ref, source); - } - return outs; - } - - /** - * You can't share TypeReference objects or subtle errors start happening. - * Unfortunately the TypeReference type hierarchy is complicated and there's no clone - * method on TypeReference itself. This method can clone them. - */ - public static TypeReference copyType(TypeReference ref, ASTNode source) { - if (ref instanceof ParameterizedQualifiedTypeReference) { - ParameterizedQualifiedTypeReference iRef = (ParameterizedQualifiedTypeReference) ref; - TypeReference[][] args = null; - if (iRef.typeArguments != null) { - args = new TypeReference[iRef.typeArguments.length][]; - int idx = 0; - for (TypeReference[] inRefArray : iRef.typeArguments) { - if (inRefArray == null) args[idx++] = null; - else { - TypeReference[] outRefArray = new TypeReference[inRefArray.length]; - int idx2 = 0; - for (TypeReference inRef : inRefArray) { - outRefArray[idx2++] = copyType(inRef, source); - } - args[idx++] = outRefArray; - } - } - } - TypeReference typeRef = new ParameterizedQualifiedTypeReference(iRef.tokens, args, iRef.dimensions(), iRef.sourcePositions); - setGeneratedBy(typeRef, source); - return typeRef; - } - - if (ref instanceof ArrayQualifiedTypeReference) { - ArrayQualifiedTypeReference iRef = (ArrayQualifiedTypeReference) ref; - TypeReference typeRef = new ArrayQualifiedTypeReference(iRef.tokens, iRef.dimensions(), iRef.sourcePositions); - setGeneratedBy(typeRef, source); - return typeRef; - } - - if (ref instanceof QualifiedTypeReference) { - QualifiedTypeReference iRef = (QualifiedTypeReference) ref; - TypeReference typeRef = new QualifiedTypeReference(iRef.tokens, iRef.sourcePositions); - setGeneratedBy(typeRef, source); - return typeRef; - } - - if (ref instanceof ParameterizedSingleTypeReference) { - ParameterizedSingleTypeReference iRef = (ParameterizedSingleTypeReference) ref; - TypeReference[] args = null; - if (iRef.typeArguments != null) { - args = new TypeReference[iRef.typeArguments.length]; - int idx = 0; - for (TypeReference inRef : iRef.typeArguments) { - if (inRef == null) args[idx++] = null; - else args[idx++] = copyType(inRef, source); - } - } - - TypeReference typeRef = new ParameterizedSingleTypeReference(iRef.token, args, iRef.dimensions(), (long)iRef.sourceStart << 32 | iRef.sourceEnd); - setGeneratedBy(typeRef, source); - return typeRef; - } - - if (ref instanceof ArrayTypeReference) { - ArrayTypeReference iRef = (ArrayTypeReference) ref; - TypeReference typeRef = new ArrayTypeReference(iRef.token, iRef.dimensions(), (long)iRef.sourceStart << 32 | iRef.sourceEnd); - setGeneratedBy(typeRef, source); - return typeRef; - } - - if (ref instanceof Wildcard) { - Wildcard wildcard = new Wildcard(((Wildcard)ref).kind); - wildcard.sourceStart = ref.sourceStart; - wildcard.sourceEnd = ref.sourceEnd; - setGeneratedBy(wildcard, source); - return wildcard; - } - - if (ref instanceof SingleTypeReference) { - SingleTypeReference iRef = (SingleTypeReference) ref; - TypeReference typeRef = new SingleTypeReference(iRef.token, (long)iRef.sourceStart << 32 | iRef.sourceEnd); - setGeneratedBy(typeRef, source); - return typeRef; - } - - return ref; - } - - public static Annotation[] copyAnnotations(Annotation[] annotations, ASTNode source) { - return copyAnnotations(annotations, null, source); - } - - public static Annotation[] copyAnnotations(Annotation[] annotations1, Annotation[] annotations2, ASTNode source) { - if (annotations1 == null && annotations2 == null) return null; - if (annotations1 == null) annotations1 = new Annotation[0]; - if (annotations2 == null) annotations2 = new Annotation[0]; - Annotation[] outs = new Annotation[annotations1.length + annotations2.length]; - int idx = 0; - for (Annotation annotation : annotations1) { - outs[idx++] = copyAnnotation(annotation, source); - } - for (Annotation annotation : annotations2) { - outs[idx++] = copyAnnotation(annotation, source); - } - return outs; - } - - public static Annotation copyAnnotation(Annotation annotation, ASTNode source) { - int pS = source.sourceStart, pE = source.sourceEnd; - - if (annotation instanceof MarkerAnnotation) { - MarkerAnnotation ann = new MarkerAnnotation(copyType(annotation.type, source), pS); - setGeneratedBy(ann, source); - ann.declarationSourceEnd = ann.sourceEnd = ann.statementEnd = pE; - return ann; - } - - if (annotation instanceof SingleMemberAnnotation) { - SingleMemberAnnotation ann = new SingleMemberAnnotation(copyType(annotation.type, source), pS); - setGeneratedBy(ann, source); - ann.declarationSourceEnd = ann.sourceEnd = ann.statementEnd = pE; - //TODO memberValue(s) need to be copied as well (same for copying a NormalAnnotation as below). - ann.memberValue = ((SingleMemberAnnotation)annotation).memberValue; - return ann; - } - - if (annotation instanceof NormalAnnotation) { - NormalAnnotation ann = new NormalAnnotation(copyType(annotation.type, source), pS); - setGeneratedBy(ann, source); - ann.declarationSourceEnd = ann.statementEnd = ann.sourceEnd = pE; - ann.memberValuePairs = ((NormalAnnotation)annotation).memberValuePairs; - return ann; - } - - return annotation; - } - - /** - * Checks if the provided annotation type is likely to be the intended type for the given annotation node. - * - * This is a guess, but a decent one. - */ - public static boolean annotationTypeMatches(Class<? extends java.lang.annotation.Annotation> type, EclipseNode node) { - if (node.getKind() != Kind.ANNOTATION) return false; - TypeReference typeRef = ((Annotation)node.get()).type; - if (typeRef == null || typeRef.getTypeName() == null) return false; - String typeName = toQualifiedName(typeRef.getTypeName()); - - TypeLibrary library = new TypeLibrary(); - library.addType(type.getName()); - TypeResolver resolver = new TypeResolver(library, node.getPackageDeclaration(), node.getImportStatements()); - Collection<String> typeMatches = resolver.findTypeMatches(node, typeName); - - for (String match : typeMatches) { - if (match.equals(type.getName())) return true; - } - - return false; - } - - /** - * Provides AnnotationValues with the data it needs to do its thing. - */ - public static <A extends java.lang.annotation.Annotation> AnnotationValues<A> - createAnnotation(Class<A> type, final EclipseNode annotationNode) { - final Annotation annotation = (Annotation) annotationNode.get(); - Map<String, AnnotationValue> values = new HashMap<String, AnnotationValue>(); - - final MemberValuePair[] pairs = annotation.memberValuePairs(); - for (Method m : type.getDeclaredMethods()) { - if (!Modifier.isPublic(m.getModifiers())) continue; - String name = m.getName(); - List<String> raws = new ArrayList<String>(); - List<Object> guesses = new ArrayList<Object>(); - Expression fullExpression = null; - Expression[] expressions = null; - - if (pairs != null) for (MemberValuePair pair : pairs) { - char[] n = pair.name; - String mName = n == null ? "value" : new String(pair.name); - if (mName.equals(name)) fullExpression = pair.value; - } - - boolean isExplicit = fullExpression != null; - - if (isExplicit) { - if (fullExpression instanceof ArrayInitializer) { - expressions = ((ArrayInitializer)fullExpression).expressions; - } else expressions = new Expression[] { fullExpression }; - if (expressions != null) for (Expression ex : expressions) { - StringBuffer sb = new StringBuffer(); - ex.print(0, sb); - raws.add(sb.toString()); - guesses.add(calculateValue(ex)); - } - } - - final Expression fullExpr = fullExpression; - final Expression[] exprs = expressions; - - values.put(name, new AnnotationValue(annotationNode, raws, guesses, isExplicit) { - @Override public void setError(String message, int valueIdx) { - Expression ex; - if (valueIdx == -1) ex = fullExpr; - else ex = exprs != null ? exprs[valueIdx] : null; - - if (ex == null) ex = annotation; - - int sourceStart = ex.sourceStart; - int sourceEnd = ex.sourceEnd; - - annotationNode.addError(message, sourceStart, sourceEnd); - } - - @Override public void setWarning(String message, int valueIdx) { - Expression ex; - if (valueIdx == -1) ex = fullExpr; - else ex = exprs != null ? exprs[valueIdx] : null; - - if (ex == null) ex = annotation; - - int sourceStart = ex.sourceStart; - int sourceEnd = ex.sourceEnd; - - annotationNode.addWarning(message, sourceStart, sourceEnd); - } - }); - } - - return new AnnotationValues<A>(type, values, annotationNode); - } - - private static Object calculateValue(Expression e) { - if (e instanceof Literal) { - ((Literal)e).computeConstant(); - switch (e.constant.typeID()) { - case TypeIds.T_int: return e.constant.intValue(); - case TypeIds.T_byte: return e.constant.byteValue(); - case TypeIds.T_short: return e.constant.shortValue(); - case TypeIds.T_char: return e.constant.charValue(); - case TypeIds.T_float: return e.constant.floatValue(); - case TypeIds.T_double: return e.constant.doubleValue(); - case TypeIds.T_boolean: return e.constant.booleanValue(); - case TypeIds.T_long: return e.constant.longValue(); - case TypeIds.T_JavaLangString: return e.constant.stringValue(); - default: return null; - } - } else if (e instanceof ClassLiteralAccess) { - return Eclipse.toQualifiedName(((ClassLiteralAccess)e).type.getTypeName()); - } else if (e instanceof SingleNameReference) { - return new String(((SingleNameReference)e).token); - } else if (e instanceof QualifiedNameReference) { - String qName = Eclipse.toQualifiedName(((QualifiedNameReference)e).tokens); - int idx = qName.lastIndexOf('.'); - return idx == -1 ? qName : qName.substring(idx+1); - } - - return null; - } - - private static Field generatedByField; - - static { - try { - generatedByField = ASTNode.class.getDeclaredField("$generatedBy"); - } catch (Throwable t) { - throw Lombok.sneakyThrow(t); - } - } - - public static ASTNode getGeneratedBy(ASTNode node) { - try { - return (ASTNode) generatedByField.get(node); - } catch (Exception t) { - throw Lombok.sneakyThrow(t); - } - } - - public static boolean isGenerated(ASTNode node) { - return getGeneratedBy(node) != null; - } - - public static ASTNode setGeneratedBy(ASTNode node, ASTNode source) { - try { - generatedByField.set(node, source); - } catch (Exception t) { - throw Lombok.sneakyThrow(t); - } - - return node; - } -} |