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-rw-r--r--src/lombok/javac/handlers/HandleData.java251
1 files changed, 4 insertions, 247 deletions
diff --git a/src/lombok/javac/handlers/HandleData.java b/src/lombok/javac/handlers/HandleData.java
index f4d1c754..003b8808 100644
--- a/src/lombok/javac/handlers/HandleData.java
+++ b/src/lombok/javac/handlers/HandleData.java
@@ -21,27 +21,23 @@
*/
package lombok.javac.handlers;
-import java.lang.reflect.Modifier;
-
import static lombok.javac.handlers.PKG.*;
+import java.lang.reflect.Modifier;
+
import lombok.Data;
import lombok.core.AnnotationValues;
import lombok.core.AST.Kind;
import lombok.javac.JavacAnnotationHandler;
import lombok.javac.JavacAST.Node;
+import lombok.javac.handlers.PKG.MemberExistsResult;
import org.mangosdk.spi.ProviderFor;
-import com.sun.tools.javac.code.BoundKind;
import com.sun.tools.javac.code.Flags;
-import com.sun.tools.javac.code.TypeTags;
-import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.TreeMaker;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
-import com.sun.tools.javac.tree.JCTree.JCArrayTypeTree;
import com.sun.tools.javac.tree.JCTree.JCAssign;
-import com.sun.tools.javac.tree.JCTree.JCBinary;
import com.sun.tools.javac.tree.JCTree.JCBlock;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCExpression;
@@ -49,14 +45,12 @@ import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
import com.sun.tools.javac.tree.JCTree.JCIdent;
import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
import com.sun.tools.javac.tree.JCTree.JCModifiers;
-import com.sun.tools.javac.tree.JCTree.JCPrimitiveTypeTree;
import com.sun.tools.javac.tree.JCTree.JCReturn;
import com.sun.tools.javac.tree.JCTree.JCStatement;
import com.sun.tools.javac.tree.JCTree.JCTypeApply;
import com.sun.tools.javac.tree.JCTree.JCTypeParameter;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.util.List;
-import com.sun.tools.javac.util.Name;
/**
* Handles the <code>lombok.Data</code> annotation for javac.
@@ -91,16 +85,7 @@ public class HandleData implements JavacAnnotationHandler<Data> {
}
new HandleToString().generateToStringForType(typeNode, annotationNode);
-
- if ( methodExists("equals", typeNode) == MemberExistsResult.NOT_EXISTS ) {
- JCMethodDecl method = createEquals(typeNode, nodesForEquality);
- injectMethod(typeNode, method);
- }
-
- if ( methodExists("hashCode", typeNode) == MemberExistsResult.NOT_EXISTS ) {
- JCMethodDecl method = createHashCode(typeNode, nodesForEquality);
- injectMethod(typeNode, method);
- }
+ new HandleEqualsAndHashCode().generateEqualsAndHashCodeForType(typeNode, annotationNode);
String staticConstructorName = annotation.getInstance().staticConstructor();
@@ -117,234 +102,6 @@ public class HandleData implements JavacAnnotationHandler<Data> {
return true;
}
- private JCMethodDecl createHashCode(Node typeNode, List<Node> fields) {
- TreeMaker maker = typeNode.getTreeMaker();
-
- JCAnnotation overrideAnnotation = maker.Annotation(chainDots(maker, typeNode, "java", "lang", "Override"), List.<JCExpression>nil());
- JCModifiers mods = maker.Modifiers(Flags.PUBLIC, List.of(overrideAnnotation));
- JCExpression returnType = maker.TypeIdent(TypeTags.INT);
- List<JCStatement> statements = List.nil();
-
- Name primeName = typeNode.toName("PRIME");
- Name resultName = typeNode.toName("result");
- /* final int PRIME = 31; */ {
- if ( !fields.isEmpty() ) {
- statements = statements.append(
- maker.VarDef(maker.Modifiers(Flags.FINAL), primeName, maker.TypeIdent(TypeTags.INT), maker.Literal(31)));
- }
- }
-
- /* int result = 1; */ {
- statements = statements.append(maker.VarDef(maker.Modifiers(0), resultName, maker.TypeIdent(TypeTags.INT), maker.Literal(1)));
- }
-
- List<JCExpression> intoResult = List.nil();
-
- int tempCounter = 0;
- for ( Node fieldNode : fields ) {
- JCVariableDecl field = (JCVariableDecl) fieldNode.get();
- JCExpression fType = field.vartype;
- JCExpression thisDotField = maker.Select(maker.Ident(typeNode.toName("this")), field.name);
- JCExpression thisDotFieldClone = maker.Select(maker.Ident(typeNode.toName("this")), field.name);
- if ( fType instanceof JCPrimitiveTypeTree ) {
- switch ( ((JCPrimitiveTypeTree)fType).getPrimitiveTypeKind() ) {
- case BOOLEAN:
- /* this.fieldName ? 1231 : 1237 */
- intoResult = intoResult.append(maker.Conditional(thisDotField, maker.Literal(1231), maker.Literal(1237)));
- break;
- case LONG:
- intoResult = intoResult.append(longToIntForHashCode(maker, thisDotField, thisDotFieldClone));
- break;
- case FLOAT:
- /* Float.floatToIntBits(this.fieldName) */
- intoResult = intoResult.append(maker.Apply(
- List.<JCExpression>nil(),
- chainDots(maker, typeNode, "java", "lang", "Float", "floatToIntBits"),
- List.of(thisDotField)));
- break;
- case DOUBLE:
- /* longToIntForHashCode(Double.doubleToLongBits(this.fieldName)) */
- Name tempVar = typeNode.toName("temp" + (++tempCounter));
- JCExpression init = maker.Apply(
- List.<JCExpression>nil(),
- chainDots(maker, typeNode, "java", "lang", "Double", "doubleToLongBits"),
- List.of(thisDotField));
- statements = statements.append(
- maker.VarDef(maker.Modifiers(Flags.FINAL), tempVar, maker.TypeIdent(TypeTags.LONG), init));
- intoResult = intoResult.append(longToIntForHashCode(maker, maker.Ident(tempVar), maker.Ident(tempVar)));
- break;
- default:
- case BYTE:
- case SHORT:
- case INT:
- case CHAR:
- /* just the field */
- intoResult = intoResult.append(thisDotField);
- break;
- }
- } else if ( fType instanceof JCArrayTypeTree ) {
- /* java.util.Arrays.deepHashCode(this.fieldName) //use just hashCode() for primitive arrays. */
- boolean multiDim = ((JCArrayTypeTree)fType).elemtype instanceof JCArrayTypeTree;
- boolean primitiveArray = ((JCArrayTypeTree)fType).elemtype instanceof JCPrimitiveTypeTree;
- boolean useDeepHC = multiDim || !primitiveArray;
-
- JCExpression hcMethod = chainDots(maker, typeNode, "java", "util", "Arrays", useDeepHC ? "deepHashCode" : "hashCode");
- intoResult = intoResult.append(
- maker.Apply(List.<JCExpression>nil(), hcMethod, List.of(thisDotField)));
- } else /* objects */ {
- /* this.fieldName == null ? 0 : this.fieldName.hashCode() */
- JCExpression hcCall = maker.Apply(List.<JCExpression>nil(), maker.Select(thisDotField, typeNode.toName("hashCode")),
- List.<JCExpression>nil());
- JCExpression thisEqualsNull = maker.Binary(JCTree.EQ, thisDotField, maker.Literal(TypeTags.BOT, null));
- intoResult = intoResult.append(
- maker.Conditional(thisEqualsNull, maker.Literal(0), hcCall));
- }
- }
-
- /* fold each intoResult entry into:
- result = result * PRIME + (item); */
- for ( JCExpression expr : intoResult ) {
- JCExpression mult = maker.Binary(JCTree.MUL, maker.Ident(resultName), maker.Ident(primeName));
- JCExpression add = maker.Binary(JCTree.PLUS, mult, expr);
- statements = statements.append(maker.Exec(maker.Assign(maker.Ident(resultName), add)));
- }
-
- /* return result; */ {
- statements = statements.append(maker.Return(maker.Ident(resultName)));
- }
-
- JCBlock body = maker.Block(0, statements);
- return maker.MethodDef(mods, typeNode.toName("hashCode"), returnType,
- List.<JCTypeParameter>nil(), List.<JCVariableDecl>nil(), List.<JCExpression>nil(), body, null);
- }
-
- /** The 2 references must be clones of each other. */
- private JCExpression longToIntForHashCode(TreeMaker maker, JCExpression ref1, JCExpression ref2) {
- /* (int)(ref >>> 32 ^ ref) */
- JCExpression shift = maker.Binary(JCTree.USR, ref1, maker.Literal(32));
- JCExpression xorBits = maker.Binary(JCTree.BITXOR, shift, ref2);
- return maker.TypeCast(maker.TypeIdent(TypeTags.INT), xorBits);
- }
-
- private JCMethodDecl createEquals(Node typeNode, List<Node> fields) {
- TreeMaker maker = typeNode.getTreeMaker();
- JCClassDecl type = (JCClassDecl) typeNode.get();
-
- Name oName = typeNode.toName("o");
- Name otherName = typeNode.toName("other");
- Name thisName = typeNode.toName("this");
-
- JCAnnotation overrideAnnotation = maker.Annotation(chainDots(maker, typeNode, "java", "lang", "Override"), List.<JCExpression>nil());
- JCModifiers mods = maker.Modifiers(Flags.PUBLIC, List.of(overrideAnnotation));
- JCExpression objectType = maker.Type(typeNode.getSymbolTable().objectType);
- JCExpression returnType = maker.TypeIdent(TypeTags.BOOLEAN);
-
- List<JCStatement> statements = List.nil();
- List<JCVariableDecl> params = List.of(maker.VarDef(maker.Modifiers(0), oName, objectType, null));
-
- /* if ( o == this ) return true; */ {
- statements = statements.append(
- maker.If(maker.Binary(JCTree.EQ, maker.Ident(oName), maker.Ident(thisName)), returnBool(maker, true), null));
- }
-
- /* if ( o == null ) return false; */ {
- statements = statements.append(
- maker.If(maker.Binary(JCTree.EQ, maker.Ident(oName), maker.Literal(TypeTags.BOT, null)), returnBool(maker, false), null));
- }
-
- /* if ( o.getClass() != this.getClass() ) return false; */ {
- Name getClass = typeNode.toName("getClass");
- List<JCExpression> exprNil = List.nil();
- JCExpression oGetClass = maker.Apply(exprNil, maker.Select(maker.Ident(oName), getClass), exprNil);
- JCExpression thisGetClass = maker.Apply(exprNil, maker.Select(maker.Ident(thisName), getClass), exprNil);
- statements = statements.append(
- maker.If(maker.Binary(JCTree.NE, oGetClass, thisGetClass), returnBool(maker, false), null));
- }
-
- /* MyType<?> other = (MyType<?>) o; */ {
- final JCExpression selfType1, selfType2;
- List<JCExpression> wildcards1 = List.nil();
- List<JCExpression> wildcards2 = List.nil();
- for ( int i = 0 ; i < type.typarams.length() ; i++ ) {
- wildcards1 = wildcards1.append(maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null));
- wildcards2 = wildcards2.append(maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null));
- }
-
- if ( type.typarams.isEmpty() ) {
- selfType1 = maker.Ident(type.name);
- selfType2 = maker.Ident(type.name);
- } else {
- selfType1 = maker.TypeApply(maker.Ident(type.name), wildcards1);
- selfType2 = maker.TypeApply(maker.Ident(type.name), wildcards2);
- }
-
- statements = statements.append(
- maker.VarDef(maker.Modifiers(Flags.FINAL), otherName, selfType1, maker.TypeCast(selfType2, maker.Ident(oName))));
- }
-
- for ( Node fieldNode : fields ) {
- JCVariableDecl field = (JCVariableDecl) fieldNode.get();
- JCExpression fType = field.vartype;
- JCExpression thisDotField = maker.Select(maker.Ident(thisName), field.name);
- JCExpression otherDotField = maker.Select(maker.Ident(otherName), field.name);
- if ( fType instanceof JCPrimitiveTypeTree ) {
- switch ( ((JCPrimitiveTypeTree)fType).getPrimitiveTypeKind() ) {
- case FLOAT:
- /* if ( Float.compare(this.fieldName, other.fieldName) != 0 ) return false; */
- statements = statements.append(generateCompareFloatOrDouble(thisDotField, otherDotField, maker, typeNode, false));
- break;
- case DOUBLE:
- /* if ( Double(this.fieldName, other.fieldName) != 0 ) return false; */
- statements = statements.append(generateCompareFloatOrDouble(thisDotField, otherDotField, maker, typeNode, true));
- break;
- default:
- /* if ( this.fieldName != other.fieldName ) return false; */
- statements = statements.append(
- maker.If(maker.Binary(JCTree.NE, thisDotField, otherDotField), returnBool(maker, false), null));
- break;
- }
- } else if ( fType instanceof JCArrayTypeTree ) {
- /* if ( !java.util.Arrays.deepEquals(this.fieldName, other.fieldName) ) return false; //use equals for primitive arrays. */
- boolean multiDim = ((JCArrayTypeTree)fType).elemtype instanceof JCArrayTypeTree;
- boolean primitiveArray = ((JCArrayTypeTree)fType).elemtype instanceof JCPrimitiveTypeTree;
- boolean useDeepEquals = multiDim || !primitiveArray;
-
- JCExpression eqMethod = chainDots(maker, typeNode, "java", "util", "Arrays", useDeepEquals ? "deepEquals" : "equals");
- List<JCExpression> args = List.of(thisDotField, otherDotField);
- statements = statements.append(maker.If(maker.Unary(JCTree.NOT,
- maker.Apply(List.<JCExpression>nil(), eqMethod, args)), returnBool(maker, false), null));
- } else /* objects */ {
- /* if ( this.fieldName == null ? other.fieldName != null : !this.fieldName.equals(other.fieldName) ) return false; */
- JCExpression thisEqualsNull = maker.Binary(JCTree.EQ, thisDotField, maker.Literal(TypeTags.BOT, null));
- JCExpression otherNotEqualsNull = maker.Binary(JCTree.NE, otherDotField, maker.Literal(TypeTags.BOT, null));
- JCExpression thisEqualsThat = maker.Apply(
- List.<JCExpression>nil(), maker.Select(thisDotField, typeNode.toName("equals")), List.of(otherDotField));
- JCExpression fieldsAreNotEqual = maker.Conditional(thisEqualsNull, otherNotEqualsNull, maker.Unary(JCTree.NOT, thisEqualsThat));
- statements = statements.append(maker.If(fieldsAreNotEqual, returnBool(maker, false), null));
- }
- }
-
- /* return true; */ {
- statements = statements.append(returnBool(maker, true));
- }
-
- JCBlock body = maker.Block(0, statements);
- return maker.MethodDef(mods, typeNode.toName("equals"), returnType, List.<JCTypeParameter>nil(), params, List.<JCExpression>nil(), body, null);
- }
-
- private JCStatement generateCompareFloatOrDouble(JCExpression thisDotField, JCExpression otherDotField, TreeMaker maker, Node node, boolean isDouble) {
- /* if ( Float.compare(fieldName, other.fieldName) != 0 ) return false; */
- JCExpression clazz = chainDots(maker, node, "java", "lang", isDouble ? "Double" : "Float");
- List<JCExpression> args = List.of(thisDotField, otherDotField);
- JCBinary compareCallEquals0 = maker.Binary(JCTree.NE, maker.Apply(
- List.<JCExpression>nil(), maker.Select(clazz, node.toName("compare")), args), maker.Literal(0));
- return maker.If(compareCallEquals0, returnBool(maker, false), null);
- }
-
- private JCStatement returnBool(TreeMaker maker, boolean bool) {
- return maker.Return(maker.Literal(TypeTags.BOOLEAN, bool ? 1 : 0));
- }
-
private JCMethodDecl createConstructor(boolean isPublic, Node typeNode, List<Node> fields) {
TreeMaker maker = typeNode.getTreeMaker();
JCClassDecl type = (JCClassDecl) typeNode.get();
generated by cgit (git 2.46.0) at 2024-12-04 18:24:16 +0000