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test/tools/javac/T6406771.java@959103a6100f (annotated)

test/tools/javac/T6406771.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* @test /nodynamiccopyright/
aoqi@0	3	* @bug 6406771
aoqi@0	4	* @summary CompilationUnitTree needs access to a line map
aoqi@0	5	*/
aoqi@0	6
aoqi@0	7	// WARNING: White-space and layout is important in this file, especially tab characters.
aoqi@0	8
aoqi@0	9	import java.io.*;
aoqi@0	10	import java.util.*;
aoqi@0	11	import javax.annotation.processing.*;
aoqi@0	12	import javax.lang.model.*;
aoqi@0	13	import javax.lang.model.element.*;
aoqi@0	14	import javax.tools.*;
aoqi@0	15	import com.sun.tools.javac.api.*;
aoqi@0	16	import com.sun.source.tree.*;
aoqi@0	17	import com.sun.source.util.*;
aoqi@0	18	import com.sun.tools.javac.tree.JCTree;
aoqi@0	19
aoqi@0	20
aoqi@0	21	@SupportedAnnotationTypes("*")
aoqi@0	22	public class T6406771 extends AbstractProcessor {
aoqi@0	23	String[] tests = {
aoqi@0	24	"line:24",
aoqi@0	25	"line:25",
aoqi@0	26	"line:26", "line:26",
aoqi@0	27	// 1 2 3 4 5 6
aoqi@0	28	//3456789012345678901234567890123456789012345678901234567890
aoqi@0	29	"col:7", "col:16", "col:26", // this line uses spaces
aoqi@0	30	"col:9", "col:25", "col:41", // this line uses tabs
aoqi@0	31	"col:20", "col:43" // this line uses a mixture
aoqi@0	32	};
aoqi@0	33
aoqi@0	34	// White-space after this point does not matter
aoqi@0	35
aoqi@0	36	public static void main(String[] args) {
aoqi@0	37	String self = T6406771.class.getName();
aoqi@0	38	String testSrc = System.getProperty("test.src");
aoqi@0	39	String testClasses = System.getProperty("test.classes");
aoqi@0	40
aoqi@0	41	JavacTool tool = JavacTool.create();
aoqi@0	42	StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
aoqi@0	43	JavaFileObject f = fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, self+".java"))).iterator().next();
aoqi@0	44
aoqi@0	45	List<String> opts = Arrays.asList("-d", ".", "-processorpath", testClasses, "-processor", self, "-proc:only");
aoqi@0	46
aoqi@0	47	JavacTask task = tool.getTask(null, fm, null, opts, null, Arrays.asList(f));
aoqi@0	48
aoqi@0	49	if (!task.call())
aoqi@0	50	throw new AssertionError("failed");
aoqi@0	51	}
aoqi@0	52
aoqi@0	53	public boolean process(Set<? extends TypeElement> elems, RoundEnvironment rEnv) {
aoqi@0	54	final String LINE = "line" + ':'; // avoid matching this string
aoqi@0	55	final String COLUMN = "col" + ':';
aoqi@0	56	final Messager messager = processingEnv.getMessager();
aoqi@0	57	final Trees trees = Trees.instance(processingEnv);
aoqi@0	58
aoqi@0	59	TreeScanner<Void,LineMap> s = new TreeScanner<Void,LineMap>() {
aoqi@0	60	public Void visitLiteral(LiteralTree tree, LineMap lineMap) {
aoqi@0	61	if (tree.getKind() == Tree.Kind.STRING_LITERAL) {
aoqi@0	62	String s = (String) tree.getValue();
aoqi@0	63	int pos = ((JCTree) tree).pos; // can't get through public api, bug 6412669 filed
aoqi@0	64	String prefix;
aoqi@0	65	long found;
aoqi@0	66	if (s.startsWith(LINE)) {
aoqi@0	67	prefix = LINE;
aoqi@0	68	found = lineMap.getLineNumber(pos);
aoqi@0	69	}
aoqi@0	70	else if (s.startsWith(COLUMN)) {
aoqi@0	71	prefix = COLUMN;
aoqi@0	72	found = lineMap.getColumnNumber(pos);
aoqi@0	73	}
aoqi@0	74	else
aoqi@0	75	return null;
aoqi@0	76	int expect = Integer.parseInt(s.substring(prefix.length()));
aoqi@0	77	if (expect != found) {
aoqi@0	78	messager.printMessage(Diagnostic.Kind.ERROR,
aoqi@0	79	"Error: " + prefix + " pos=" + pos
aoqi@0	80	+ " expect=" + expect + " found=" + found);
aoqi@0	81	}
aoqi@0	82	}
aoqi@0	83	return null;
aoqi@0	84	}
aoqi@0	85	};
aoqi@0	86
aoqi@0	87	for (Element e: rEnv.getRootElements()) {
aoqi@0	88	System.err.println(e);
aoqi@0	89	Tree t = trees.getTree(e);
aoqi@0	90	TreePath p = trees.getPath(e);
aoqi@0	91	s.scan(p.getLeaf(), p.getCompilationUnit().getLineMap());
aoqi@0	92
aoqi@0	93	}
aoqi@0	94
aoqi@0	95	return true;
aoqi@0	96	}
aoqi@0	97
aoqi@0	98	@Override
aoqi@0	99	public SourceVersion getSupportedSourceVersion() {
aoqi@0	100	return SourceVersion.latest();
aoqi@0	101	}
aoqi@0	102	}