Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/T6406771.java
test/tools/javac/T6406771.java
- changeset 1
- 9a66ca7c79fa
- child 495
- fe17a9dbef03
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| -1:000000000000 | 1:9a66ca7c79fa |
|---|---|
| 1 /* | |
| 2 * @test /nodynamiccopyright/ | |
| 3 * @bug 6406771 | |
| 4 * @summary CompilationUnitTree needs access to a line map | |
| 5 */ | |
| 6 | |
| 7 // WARNING: White-space and layout is important in this file, especially tab characters. | |
| 8 | |
| 9 import java.io.*; | |
| 10 import java.util.*; | |
| 11 import javax.annotation.processing.*; | |
| 12 import javax.lang.model.*; | |
| 13 import javax.lang.model.element.*; | |
| 14 import javax.tools.*; | |
| 15 import com.sun.tools.javac.api.*; | |
| 16 import com.sun.source.tree.*; | |
| 17 import com.sun.source.util.*; | |
| 18 import com.sun.tools.javac.tree.JCTree; | |
| 19 | |
| 20 @SupportedSourceVersion(SourceVersion.RELEASE_6) | |
| 21 @SupportedAnnotationTypes("*") | |
| 22 public class T6406771 extends AbstractProcessor { | |
| 23 String[] tests = { | |
| 24 "line:24", | |
| 25 "line:25", | |
| 26 "line:26", "line:26", | |
| 27 // 1 2 3 4 5 6 | |
| 28 //3456789012345678901234567890123456789012345678901234567890 | |
| 29 "col:7", "col:16", "col:26", // this line uses spaces | |
| 30 "col:9", "col:25", "col:41", // this line uses tabs | |
| 31 "col:20", "col:43" // this line uses a mixture | |
| 32 }; | |
| 33 | |
| 34 // White-space after this point does not matter | |
| 35 | |
| 36 public static void main(String[] args) { | |
| 37 String self = T6406771.class.getName(); | |
| 38 String testSrc = System.getProperty("test.src"); | |
| 39 String testClasses = System.getProperty("test.classes"); | |
| 40 | |
| 41 JavacTool tool = JavacTool.create(); | |
| 42 StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null); | |
| 43 JavaFileObject f = fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, self+".java"))).iterator().next(); | |
| 44 | |
| 45 List<String> opts = Arrays.asList("-d", ".", "-processorpath", testClasses, "-processor", self, "-proc:only"); | |
| 46 | |
| 47 JavacTask task = tool.getTask(null, fm, null, opts, null, Arrays.asList(f)); | |
| 48 | |
| 49 if (!task.call()) | |
| 50 throw new AssertionError("failed"); | |
| 51 } | |
| 52 | |
| 53 public boolean process(Set<? extends TypeElement> elems, RoundEnvironment rEnv) { | |
| 54 final String LINE = "line" + ':'; // avoid matching this string | |
| 55 final String COLUMN = "col" + ':'; | |
| 56 final Messager messager = processingEnv.getMessager(); | |
| 57 final Trees trees = Trees.instance(processingEnv); | |
| 58 | |
| 59 TreeScanner<Void,LineMap> s = new TreeScanner<Void,LineMap>() { | |
| 60 public Void visitLiteral(LiteralTree tree, LineMap lineMap) { | |
| 61 if (tree.getKind() == Tree.Kind.STRING_LITERAL) { | |
| 62 String s = (String) tree.getValue(); | |
| 63 int pos = ((JCTree) tree).pos; // can't get through public api, bug 6412669 filed | |
| 64 String prefix; | |
| 65 long found; | |
| 66 if (s.startsWith(LINE)) { | |
| 67 prefix = LINE; | |
| 68 found = lineMap.getLineNumber(pos); | |
| 69 } | |
| 70 else if (s.startsWith(COLUMN)) { | |
| 71 prefix = COLUMN; | |
| 72 found = lineMap.getColumnNumber(pos); | |
| 73 } | |
| 74 else | |
| 75 return null; | |
| 76 int expect = Integer.parseInt(s.substring(prefix.length())); | |
| 77 if (expect != found) { | |
| 78 messager.printMessage(Diagnostic.Kind.ERROR, | |
| 79 "Error: " + prefix + " pos=" + pos | |
| 80 + " expect=" + expect + " found=" + found); | |
| 81 } | |
| 82 } | |
| 83 return null; | |
| 84 } | |
| 85 }; | |
| 86 | |
| 87 for (Element e: rEnv.getRootElements()) { | |
| 88 System.err.println(e); | |
| 89 Tree t = trees.getTree(e); | |
| 90 TreePath p = trees.getPath(e); | |
| 91 s.scan(p.getLeaf(), p.getCompilationUnit().getLineMap()); | |
| 92 | |
| 93 } | |
| 94 | |
| 95 return true; | |
| 96 } | |
| 97 | |
| 98 } |
