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+/*
+ * Copyright © 2009-2011 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.javac;
+
+import lombok.core.TransformationsUtil;
+
+import com.sun.tools.javac.tree.JCTree.JCExpression;
+import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
+import com.sun.tools.javac.tree.JCTree.JCIdent;
+import com.sun.tools.javac.tree.JCTree.JCLiteral;
+import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
+
+/**
+ * Container for static utility methods relevant to lombok's operation on javac.
+ */
+public class Javac {
+ private Javac() {
+ //prevent instantiation
+ }
+
+ /**
+ * Translates the given field into all possible getter names.
+ * Convenient wrapper around {@link TransformationsUtil#toAllGetterNames(CharSequence, boolean)}.
+ */
+ public static java.util.List<String> toAllGetterNames(JCVariableDecl field) {
+ CharSequence fieldName = field.name;
+
+ boolean isBoolean = field.vartype.toString().equals("boolean");
+
+ return TransformationsUtil.toAllGetterNames(fieldName, isBoolean);
+ }
+
+ /**
+ * @return the likely getter name for the stated field. (e.g. private boolean foo; to isFoo).
+ *
+ * Convenient wrapper around {@link TransformationsUtil#toGetterName(CharSequence, boolean)}.
+ */
+ public static String toGetterName(JCVariableDecl field) {
+ CharSequence fieldName = field.name;
+
+ boolean isBoolean = field.vartype.toString().equals("boolean");
+
+ return TransformationsUtil.toGetterName(fieldName, isBoolean);
+ }
+
+ /**
+ * Translates the given field into all possible setter names.
+ * Convenient wrapper around {@link TransformationsUtil#toAllSetterNames(CharSequence, boolean)}.
+ */
+ public static java.util.List<String> toAllSetterNames(JCVariableDecl field) {
+ CharSequence fieldName = field.name;
+
+ boolean isBoolean = field.vartype.toString().equals("boolean");
+
+ return TransformationsUtil.toAllSetterNames(fieldName, isBoolean);
+ }
+
+ /**
+ * @return the likely setter name for the stated field. (e.g. private boolean foo; to setFoo).
+ *
+ * Convenient wrapper around {@link TransformationsUtil#toSetterName(CharSequence, boolean)}.
+ */
+ public static String toSetterName(JCVariableDecl field) {
+ CharSequence fieldName = field.name;
+
+ boolean isBoolean = field.vartype.toString().equals("boolean");
+
+ return TransformationsUtil.toSetterName(fieldName, isBoolean);
+ }
+
+ /**
+ * Checks if the given expression (that really ought to refer to a type expression) represents a primitive type.
+ */
+ public static boolean isPrimitive(JCExpression ref) {
+ String typeName = ref.toString();
+ return TransformationsUtil.PRIMITIVE_TYPE_NAME_PATTERN.matcher(typeName).matches();
+ }
+
+ /**
+ * Turns an expression into a guessed intended literal. Only works for literals, as you can imagine.
+ *
+ * Will for example turn a TrueLiteral into 'Boolean.valueOf(true)'.
+ */
+ public static Object calculateGuess(JCExpression expr) {
+ if (expr instanceof JCLiteral) {
+ JCLiteral lit = (JCLiteral)expr;
+ if (lit.getKind() == com.sun.source.tree.Tree.Kind.BOOLEAN_LITERAL) {
+ return ((Number)lit.value).intValue() == 0 ? false : true;
+ }
+ return lit.value;
+ } else if (expr instanceof JCIdent || expr instanceof JCFieldAccess) {
+ String x = expr.toString();
+ if (x.endsWith(".class")) x = x.substring(0, x.length() - 6);
+ else {
+ int idx = x.lastIndexOf('.');
+ if (idx > -1) x = x.substring(idx + 1);
+ }
+ return x;
+ } else return null;
+ }
+
+ /**
+ * Retrieves a compile time constant of type int from the specified class location.
+ *
+ * Solves the problem of compile time constant inlining, resulting in lombok having the wrong value
+ * (javac compiler changes private api constants from time to time)
+ *
+ * @param ctcLocation location of the compile time constant
+ * @param identifier the name of the field of the compile time constant.
+ */
+ public static int getCtcInt(Class<?> ctcLocation, String identifier) {
+ try {
+ return (Integer)ctcLocation.getField(identifier).get(null);
+ } catch (NoSuchFieldException e) {
+ throw new RuntimeException(e);
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e);
+ }
+ }
+}