test/tools/javac/processing/T6439826.java

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  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6439826 6411930 6380018 6392177
  27  * @summary Exception issuing Diagnostic while processing generated errant code
  28  */
  29 
  30 import java.io.*;
  31 import java.util.*;
  32 import javax.annotation.processing.*;
  33 import javax.lang.model.*;
  34 import javax.lang.model.element.*;
  35 import javax.tools.*;
  36 import com.sun.source.util.*;
  37 import com.sun.tools.javac.api.*;
  38 import static javax.lang.model.util.ElementFilter.*;
  39 
  40 
  41 @SupportedAnnotationTypes("*")
  42 @SupportedSourceVersion(SourceVersion.RELEASE_7 )
  43 public class T6439826 extends AbstractProcessor {
  44     public static void main(String... args) {
  45         String testSrc = System.getProperty("test.src", ".");
  46         String testClasses = System.getProperty("test.classes");
  47         JavacTool tool = JavacTool.create();
  48         MyDiagListener dl = new MyDiagListener();
  49         StandardJavaFileManager fm = tool.getStandardFileManager(dl, null, null);
  50         Iterable<? extends JavaFileObject> files =
  51             fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6439826.class.getName()+".java")));
  52         Iterable<String> opts = Arrays.asList("-source","1.6",
  53                                               "-proc:only",
  54                                               "-processor", "T6439826",
  55                                               "-processorpath", testClasses);
  56         StringWriter out = new StringWriter();
  57         JavacTask task = tool.getTask(out, fm, dl, opts, null, files);
  58         task.call();
  59         String s = out.toString();
  60         System.err.print(s);
  61         // Expect the following 2 diagnostics, and no output to log
  62         //   Foo.java:1: illegal character: \35
  63         //   Foo.java:1: reached end of file while parsing
  64         System.err.println(dl.count + " diagnostics; " + s.length() + " characters");
  65         if (dl.count != 2 || s.length() != 0)
  66             throw new AssertionError("unexpected output from compiler");
  67     }
  68 
  69     public boolean process(Set<? extends TypeElement> annotations,
  70                            RoundEnvironment roundEnv) {
  71         Set<? extends TypeElement> elems = typesIn(roundEnv.getRootElements());
  72         for (TypeElement e: elems) {
  73             if (e.getSimpleName().toString().equals(T6439826.class.getName()))
  74                 writeBadFile();
  75         }
  76         return false;
  77     }
  78 





  79     private void writeBadFile() {
  80         Filer filer = processingEnv.getFiler();
  81         Messager messager = processingEnv.getMessager();
  82         try {
  83             Writer out = filer.createSourceFile("Foo").openWriter();
  84             out.write("class Foo #"); // write a file that generates a scanner error
  85             out.close();
  86         } catch (IOException e) {
  87             messager.printMessage(Diagnostic.Kind.ERROR, e.toString());
  88         }
  89     }
  90 
  91     static class MyDiagListener implements DiagnosticListener {
  92         public void report(Diagnostic d) {
  93             System.err.println(d);
  94             count++;
  95         }
  96 
  97         public int count;
  98     }


  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6439826 6411930 6380018 6392177
  27  * @summary Exception issuing Diagnostic while processing generated errant code
  28  */
  29 
  30 import java.io.*;
  31 import java.util.*;
  32 import javax.annotation.processing.*;
  33 import javax.lang.model.*;
  34 import javax.lang.model.element.*;
  35 import javax.tools.*;
  36 import com.sun.source.util.*;
  37 import com.sun.tools.javac.api.*;
  38 import static javax.lang.model.util.ElementFilter.*;
  39 
  40 
  41 @SupportedAnnotationTypes("*")

  42 public class T6439826 extends AbstractProcessor {
  43     public static void main(String... args) {
  44         String testSrc = System.getProperty("test.src", ".");
  45         String testClasses = System.getProperty("test.classes");
  46         JavacTool tool = JavacTool.create();
  47         MyDiagListener dl = new MyDiagListener();
  48         StandardJavaFileManager fm = tool.getStandardFileManager(dl, null, null);
  49         Iterable<? extends JavaFileObject> files =
  50             fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6439826.class.getName()+".java")));
  51         Iterable<String> opts = Arrays.asList("-source","1.6",
  52                                               "-proc:only",
  53                                               "-processor", "T6439826",
  54                                               "-processorpath", testClasses);
  55         StringWriter out = new StringWriter();
  56         JavacTask task = tool.getTask(out, fm, dl, opts, null, files);
  57         task.call();
  58         String s = out.toString();
  59         System.err.print(s);
  60         // Expect the following 2 diagnostics, and no output to log
  61         //   Foo.java:1: illegal character: \35
  62         //   Foo.java:1: reached end of file while parsing
  63         System.err.println(dl.count + " diagnostics; " + s.length() + " characters");
  64         if (dl.count != 2 || s.length() != 0)
  65             throw new AssertionError("unexpected output from compiler");
  66     }
  67 
  68     public boolean process(Set<? extends TypeElement> annotations,
  69                            RoundEnvironment roundEnv) {
  70         Set<? extends TypeElement> elems = typesIn(roundEnv.getRootElements());
  71         for (TypeElement e: elems) {
  72             if (e.getSimpleName().toString().equals(T6439826.class.getName()))
  73                 writeBadFile();
  74         }
  75         return false;
  76     }
  77 
  78     @Override
  79     public SourceVersion getSupportedSourceVersion() {
  80         return SourceVersion.latest();
  81     }
  82 
  83     private void writeBadFile() {
  84         Filer filer = processingEnv.getFiler();
  85         Messager messager = processingEnv.getMessager();
  86         try {
  87             Writer out = filer.createSourceFile("Foo").openWriter();
  88             out.write("class Foo #"); // write a file that generates a scanner error
  89             out.close();
  90         } catch (IOException e) {
  91             messager.printMessage(Diagnostic.Kind.ERROR, e.toString());
  92         }
  93     }
  94 
  95     static class MyDiagListener implements DiagnosticListener {
  96         public void report(Diagnostic d) {
  97             System.err.println(d);
  98             count++;
  99         }
 100 
 101         public int count;
 102     }