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This commit is contained in:
Lana Steuck 2011-10-28 17:49:36 -07:00
commit 6f4a99a81f
61 changed files with 5564 additions and 2860 deletions
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1
langtools/src/share/classes/com/sun/tools/apt/main/AptJavaCompiler.java
View File

@ -42,7 +42,6 @@ import com.sun.tools.javac.tree.JCTree.*;
import com.sun.tools.apt.comp.*;
import com.sun.tools.apt.util.Bark;
import com.sun.mirror.apt.AnnotationProcessorFactory;
import com.sun.tools.javac.parser.DocCommentScanner;
/**
* <p><b>This is NOT part of any supported API.

4
langtools/src/share/classes/com/sun/tools/apt/main/Main.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -56,7 +56,7 @@ import com.sun.tools.apt.comp.UsageMessageNeededException;
import com.sun.tools.apt.util.Bark;
import com.sun.mirror.apt.AnnotationProcessorFactory;
import static com.sun.tools.javac.file.Paths.pathToURLs;
import static com.sun.tools.javac.file.Locations.pathToURLs;
/** This class provides a commandline interface to the apt build-time
* tool.

2
langtools/src/share/classes/com/sun/tools/javac/code/Printer.java
View File

@ -258,7 +258,7 @@ public abstract class Printer implements Type.Visitor<String, Locale>, Symbol.Vi
ClassType norm = (ClassType) t.tsym.type;
if (norm == null) {
s = localize(locale, "compiler.misc.anonymous.class", (Object) null);
} else if (norm.interfaces_field.nonEmpty()) {
} else if (norm.interfaces_field != null && norm.interfaces_field.nonEmpty()) {
s = localize(locale, "compiler.misc.anonymous.class",
visit(norm.interfaces_field.head, locale));
} else {

107
langtools/src/share/classes/com/sun/tools/javac/code/Types.java
View File

@ -278,7 +278,6 @@ public class Types {
boolean tPrimitive = t.isPrimitive();
boolean sPrimitive = s.isPrimitive();
if (tPrimitive == sPrimitive) {
checkUnsafeVarargsConversion(t, s, warn);
return isSubtypeUnchecked(t, s, warn);
}
if (!allowBoxing) return false;
@ -286,27 +285,6 @@ public class Types {
? isSubtype(boxedClass(t).type, s)
: isSubtype(unboxedType(t), s);
}
//where
private void checkUnsafeVarargsConversion(Type t, Type s, Warner warn) {
if (t.tag != ARRAY || isReifiable(t)) return;
ArrayType from = (ArrayType)t;
boolean shouldWarn = false;
switch (s.tag) {
case ARRAY:
ArrayType to = (ArrayType)s;
shouldWarn = from.isVarargs() &&
!to.isVarargs() &&
!isReifiable(from);
break;
case CLASS:
shouldWarn = from.isVarargs() &&
isSubtype(from, s);
break;
}
if (shouldWarn) {
warn.warn(LintCategory.VARARGS);
}
}
/**
* Is t a subtype of or convertiable via boxing/unboxing
@ -328,42 +306,63 @@ public class Types {
* Is t an unchecked subtype of s?
*/
public boolean isSubtypeUnchecked(Type t, Type s, Warner warn) {
if (t.tag == ARRAY && s.tag == ARRAY) {
if (((ArrayType)t).elemtype.tag <= lastBaseTag) {
return isSameType(elemtype(t), elemtype(s));
} else {
ArrayType from = (ArrayType)t;
ArrayType to = (ArrayType)s;
if (from.isVarargs() &&
!to.isVarargs() &&
!isReifiable(from)) {
warn.warn(LintCategory.VARARGS);
boolean result = isSubtypeUncheckedInternal(t, s, warn);
if (result) {
checkUnsafeVarargsConversion(t, s, warn);
}
return result;
}
//where
private boolean isSubtypeUncheckedInternal(Type t, Type s, Warner warn) {
if (t.tag == ARRAY && s.tag == ARRAY) {
if (((ArrayType)t).elemtype.tag <= lastBaseTag) {
return isSameType(elemtype(t), elemtype(s));
} else {
return isSubtypeUnchecked(elemtype(t), elemtype(s), warn);
}
return isSubtypeUnchecked(elemtype(t), elemtype(s), warn);
}
} else if (isSubtype(t, s)) {
return true;
}
else if (t.tag == TYPEVAR) {
return isSubtypeUnchecked(t.getUpperBound(), s, warn);
}
else if (s.tag == UNDETVAR) {
UndetVar uv = (UndetVar)s;
if (uv.inst != null)
return isSubtypeUnchecked(t, uv.inst, warn);
}
else if (!s.isRaw()) {
Type t2 = asSuper(t, s.tsym);
if (t2 != null && t2.isRaw()) {
if (isReifiable(s))
warn.silentWarn(LintCategory.UNCHECKED);
else
warn.warn(LintCategory.UNCHECKED);
} else if (isSubtype(t, s)) {
return true;
}
else if (t.tag == TYPEVAR) {
return isSubtypeUnchecked(t.getUpperBound(), s, warn);
}
else if (s.tag == UNDETVAR) {
UndetVar uv = (UndetVar)s;
if (uv.inst != null)
return isSubtypeUnchecked(t, uv.inst, warn);
}
else if (!s.isRaw()) {
Type t2 = asSuper(t, s.tsym);
if (t2 != null && t2.isRaw()) {
if (isReifiable(s))
warn.silentWarn(LintCategory.UNCHECKED);
else
warn.warn(LintCategory.UNCHECKED);
return true;
}
}
return false;
}
private void checkUnsafeVarargsConversion(Type t, Type s, Warner warn) {
if (t.tag != ARRAY || isReifiable(t)) return;
ArrayType from = (ArrayType)t;
boolean shouldWarn = false;
switch (s.tag) {
case ARRAY:
ArrayType to = (ArrayType)s;
shouldWarn = from.isVarargs() &&
!to.isVarargs() &&
!isReifiable(from);
break;
case CLASS:
shouldWarn = from.isVarargs();
break;
}
if (shouldWarn) {
warn.warn(LintCategory.VARARGS);
}
}
return false;
}
/**
* Is t a subtype of s?<br>

18
langtools/src/share/classes/com/sun/tools/javac/comp/Infer.java
View File

@ -34,7 +34,8 @@ import com.sun.tools.javac.code.*;
import com.sun.tools.javac.code.Type.*;
import com.sun.tools.javac.code.Type.ForAll.ConstraintKind;
import com.sun.tools.javac.code.Symbol.*;
import com.sun.tools.javac.util.JCDiagnostic;
import com.sun.tools.javac.comp.Resolve.VerboseResolutionMode;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
import static com.sun.tools.javac.code.TypeTags.*;
@ -56,6 +57,7 @@ public class Infer {
Types types;
Check chk;
Resolve rs;
Log log;
JCDiagnostic.Factory diags;
public static Infer instance(Context context) {
@ -70,6 +72,7 @@ public class Infer {
syms = Symtab.instance(context);
types = Types.instance(context);
rs = Resolve.instance(context);
log = Log.instance(context);
chk = Check.instance(context);
diags = JCDiagnostic.Factory.instance(context);
ambiguousNoInstanceException =
@ -460,7 +463,7 @@ public class Infer {
// quantify result type with them
final List<Type> inferredTypes = insttypes.toList();
final List<Type> all_tvars = tvars; //this is the wrong tvars
return new UninferredMethodType(mt, restvars.toList()) {
return new UninferredMethodType(env.tree.pos(), msym, mt, restvars.toList()) {
@Override
List<Type> getConstraints(TypeVar tv, ConstraintKind ck) {
for (Type t : restundet.toList()) {
@ -502,13 +505,17 @@ public class Infer {
* type - when the return type is instantiated (see Infer.instantiateExpr)
* the underlying method type is also updated.
*/
static abstract class UninferredMethodType extends DelegatedType {
abstract class UninferredMethodType extends DelegatedType {
final List<Type> tvars;
final Symbol msym;
final DiagnosticPosition pos;
public UninferredMethodType(MethodType mtype, List<Type> tvars) {
public UninferredMethodType(DiagnosticPosition pos, Symbol msym, MethodType mtype, List<Type> tvars) {
super(METHOD, new MethodType(mtype.argtypes, null, mtype.thrown, mtype.tsym));
this.tvars = tvars;
this.msym = msym;
this.pos = pos;
asMethodType().restype = new UninferredReturnType(tvars, mtype.restype);
}
@ -543,6 +550,9 @@ public class Infer {
public Type inst(List<Type> actuals, Types types) {
Type newRestype = super.inst(actuals, types);
instantiateReturnType(newRestype, actuals, types);
if (rs.verboseResolutionMode.contains(VerboseResolutionMode.DEFERRED_INST)) {
log.note(pos, "deferred.method.inst", msym, UninferredMethodType.this.qtype, newRestype);
}
return newRestype;
}
@Override

167
langtools/src/share/classes/com/sun/tools/javac/comp/Resolve.java
View File

@ -25,29 +25,33 @@
package com.sun.tools.javac.comp;
import com.sun.tools.javac.util.*;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
import com.sun.tools.javac.code.*;
import com.sun.tools.javac.jvm.*;
import com.sun.tools.javac.tree.*;
import com.sun.tools.javac.api.Formattable.LocalizedString;
import static com.sun.tools.javac.comp.Resolve.MethodResolutionPhase.*;
import com.sun.tools.javac.code.*;
import com.sun.tools.javac.code.Type.*;
import com.sun.tools.javac.code.Symbol.*;
import com.sun.tools.javac.jvm.*;
import com.sun.tools.javac.tree.*;
import com.sun.tools.javac.tree.JCTree.*;
import com.sun.tools.javac.util.*;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticFlag;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticType;
import java.util.Arrays;
import java.util.Collection;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import javax.lang.model.element.ElementVisitor;
import static com.sun.tools.javac.code.Flags.*;
import static com.sun.tools.javac.code.Kinds.*;
import static com.sun.tools.javac.code.TypeTags.*;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticFlag;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticType;
import javax.lang.model.element.ElementVisitor;
import java.util.Map;
import java.util.Set;
import java.util.HashMap;
import java.util.HashSet;
import static com.sun.tools.javac.comp.Resolve.MethodResolutionPhase.*;
/** Helper class for name resolution, used mostly by the attribution phase.
*
@ -73,9 +77,45 @@ public class Resolve {
public final boolean varargsEnabled; // = source.allowVarargs();
public final boolean allowMethodHandles;
private final boolean debugResolve;
final EnumSet<VerboseResolutionMode> verboseResolutionMode;
Scope polymorphicSignatureScope;
enum VerboseResolutionMode {
SUCCESS("success"),
FAILURE("failure"),
APPLICABLE("applicable"),
INAPPLICABLE("inapplicable"),
DEFERRED_INST("deferred-inference"),
PREDEF("predef"),
OBJECT_INIT("object-init"),
INTERNAL("internal");
String opt;
private VerboseResolutionMode(String opt) {
this.opt = opt;
}
static EnumSet<VerboseResolutionMode> getVerboseResolutionMode(Options opts) {
String s = opts.get("verboseResolution");
EnumSet<VerboseResolutionMode> res = EnumSet.noneOf(VerboseResolutionMode.class);
if (s == null) return res;
if (s.contains("all")) {
res = EnumSet.allOf(VerboseResolutionMode.class);
}
Collection<String> args = Arrays.asList(s.split(","));
for (VerboseResolutionMode mode : values()) {
if (args.contains(mode.opt)) {
res.add(mode);
} else if (args.contains("-" + mode.opt)) {
res.remove(mode);
}
}
return res;
}
}
public static Resolve instance(Context context) {
Resolve instance = context.get(resolveKey);
if (instance == null)
@ -111,6 +151,7 @@ public class Resolve {
varargsEnabled = source.allowVarargs();
Options options = Options.instance(context);
debugResolve = options.isSet("debugresolve");
verboseResolutionMode = VerboseResolutionMode.getVerboseResolutionMode(options);
Target target = Target.instance(context);
allowMethodHandles = target.hasMethodHandles();
polymorphicSignatureScope = new Scope(syms.noSymbol);
@ -684,13 +725,16 @@ public class Resolve {
if (!sym.isInheritedIn(site.tsym, types)) return bestSoFar;
Assert.check(sym.kind < AMBIGUOUS);
try {
rawInstantiate(env, site, sym, argtypes, typeargtypes,
Type mt = rawInstantiate(env, site, sym, argtypes, typeargtypes,
allowBoxing, useVarargs, Warner.noWarnings);
if (!operator) addVerboseApplicableCandidateDiag(sym ,mt);
} catch (InapplicableMethodException ex) {
if (!operator) addVerboseInapplicableCandidateDiag(sym, ex.getDiagnostic());
switch (bestSoFar.kind) {
case ABSENT_MTH:
return wrongMethod.setWrongSym(sym, ex.getDiagnostic());
case WRONG_MTH:
if (operator) return bestSoFar;
wrongMethods.addCandidate(currentStep, wrongMethod.sym, wrongMethod.explanation);
case WRONG_MTHS:
return wrongMethods.addCandidate(currentStep, sym, ex.getDiagnostic());
@ -708,6 +752,34 @@ public class Resolve {
: mostSpecific(sym, bestSoFar, env, site,
allowBoxing && operator, useVarargs);
}
//where
void addVerboseApplicableCandidateDiag(Symbol sym, Type inst) {
if (!verboseResolutionMode.contains(VerboseResolutionMode.APPLICABLE))
return;
JCDiagnostic subDiag = null;
if (inst.getReturnType().tag == FORALL) {
Type diagType = types.createMethodTypeWithReturn(inst.asMethodType(),
((ForAll)inst.getReturnType()).qtype);
subDiag = diags.fragment("partial.inst.sig", diagType);
} else if (sym.type.tag == FORALL) {
subDiag = diags.fragment("full.inst.sig", inst.asMethodType());
}
String key = subDiag == null ?
"applicable.method.found" :
"applicable.method.found.1";
verboseResolutionCandidateDiags.put(sym,
diags.fragment(key, verboseResolutionCandidateDiags.size(), sym, subDiag));
}
void addVerboseInapplicableCandidateDiag(Symbol sym, JCDiagnostic subDiag) {
if (!verboseResolutionMode.contains(VerboseResolutionMode.INAPPLICABLE))
return;
verboseResolutionCandidateDiags.put(sym,
diags.fragment("not.applicable.method.found", verboseResolutionCandidateDiags.size(), sym, subDiag));
}
/* Return the most specific of the two methods for a call,
* given that both are accessible and applicable.
@ -905,8 +977,9 @@ public class Resolve {
boolean allowBoxing,
boolean useVarargs,
boolean operator) {
verboseResolutionCandidateDiags.clear();
Symbol bestSoFar = methodNotFound;
return findMethod(env,
bestSoFar = findMethod(env,
site,
name,
argtypes,
@ -918,6 +991,8 @@ public class Resolve {
useVarargs,
operator,
new HashSet<TypeSymbol>());
reportVerboseResolutionDiagnostic(env.tree.pos(), name, site, argtypes, typeargtypes, bestSoFar);
return bestSoFar;
}
// where
private Symbol findMethod(Env<AttrContext> env,
@ -975,6 +1050,37 @@ public class Resolve {
}
return bestSoFar;
}
//where
void reportVerboseResolutionDiagnostic(DiagnosticPosition dpos, Name name, Type site, List<Type> argtypes, List<Type> typeargtypes, Symbol bestSoFar) {
boolean success = bestSoFar.kind < ERRONEOUS;
if (success && !verboseResolutionMode.contains(VerboseResolutionMode.SUCCESS)) {
return;
} else if (!success && !verboseResolutionMode.contains(VerboseResolutionMode.FAILURE)) {
return;
}
if (bestSoFar.name == names.init &&
bestSoFar.owner == syms.objectType.tsym &&
!verboseResolutionMode.contains(VerboseResolutionMode.OBJECT_INIT)) {
return; //skip diags for Object constructor resolution
} else if (site == syms.predefClass.type && !verboseResolutionMode.contains(VerboseResolutionMode.PREDEF)) {
return; //skip spurious diags for predef symbols (i.e. operators)
} else if (internalResolution && !verboseResolutionMode.contains(VerboseResolutionMode.INTERNAL)) {
return;
}
int pos = 0;
for (Symbol s : verboseResolutionCandidateDiags.keySet()) {
if (s == bestSoFar) break;
pos++;
}
String key = success ? "verbose.resolve.multi" : "verbose.resolve.multi.1";
JCDiagnostic main = diags.note(log.currentSource(), dpos, key, name, site.tsym, pos, currentStep,
methodArguments(argtypes), methodArguments(typeargtypes));
JCDiagnostic d = new JCDiagnostic.MultilineDiagnostic(main, List.from(verboseResolutionCandidateDiags.values().toArray(new JCDiagnostic[verboseResolutionCandidateDiags.size()])));
log.report(d);
}
/** Find unqualified method matching given name, type and value arguments.
* @param env The current environment.
@ -1543,12 +1649,19 @@ public class Resolve {
Type site, Name name,
List<Type> argtypes,
List<Type> typeargtypes) {
Symbol sym = resolveQualifiedMethod(
pos, env, site.tsym, site, name, argtypes, typeargtypes);
if (sym.kind == MTH) return (MethodSymbol)sym;
else throw new FatalError(
diags.fragment("fatal.err.cant.locate.meth",
name));
boolean prevInternal = internalResolution;
try {
internalResolution = true;
Symbol sym = resolveQualifiedMethod(
pos, env, site.tsym, site, name, argtypes, typeargtypes);
if (sym.kind == MTH) return (MethodSymbol)sym;
else throw new FatalError(
diags.fragment("fatal.err.cant.locate.meth",
name));
}
finally {
internalResolution = prevInternal;
}
}
/** Resolve constructor.
@ -1685,6 +1798,7 @@ public class Resolve {
*/
Symbol resolveOperator(DiagnosticPosition pos, int optag,
Env<AttrContext> env, List<Type> argtypes) {
startResolution();
Name name = treeinfo.operatorName(optag);
Symbol sym = findMethod(env, syms.predefClass.type, name, argtypes,
null, false, false, true);
@ -1828,7 +1942,7 @@ public class Resolve {
private final LocalizedString noArgs = new LocalizedString("compiler.misc.no.args");
public Object methodArguments(List<Type> argtypes) {
return argtypes.isEmpty() ? noArgs : argtypes;
return argtypes == null || argtypes.isEmpty() ? noArgs : argtypes;
}
/**
@ -2375,10 +2489,15 @@ public class Resolve {
private Map<MethodResolutionPhase, Symbol> methodResolutionCache =
new HashMap<MethodResolutionPhase, Symbol>(MethodResolutionPhase.values().length);
private Map<Symbol, JCDiagnostic> verboseResolutionCandidateDiags =
new LinkedHashMap<Symbol, JCDiagnostic>();
final List<MethodResolutionPhase> methodResolutionSteps = List.of(BASIC, BOX, VARARITY);
private MethodResolutionPhase currentStep = null;
private boolean internalResolution = false;
private MethodResolutionPhase firstErroneousResolutionPhase() {
MethodResolutionPhase bestSoFar = BASIC;
Symbol sym = methodNotFound;

87
langtools/src/share/classes/com/sun/tools/javac/file/JavacFileManager.java
View File

@ -25,7 +25,6 @@
package com.sun.tools.javac.file;
import java.util.Comparator;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
@ -41,6 +40,7 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Iterator;
@ -56,14 +56,12 @@ import javax.tools.StandardJavaFileManager;
import com.sun.tools.javac.file.RelativePath.RelativeFile;
import com.sun.tools.javac.file.RelativePath.RelativeDirectory;
import com.sun.tools.javac.main.OptionName;
import com.sun.tools.javac.util.BaseFileManager;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.List;
import com.sun.tools.javac.util.ListBuffer;
import static javax.tools.StandardLocation.*;
import static com.sun.tools.javac.main.OptionName.*;
/**
* This class provides access to the source, class and other files
@ -83,32 +81,14 @@ public class JavacFileManager extends BaseFileManager implements StandardJavaFil
return buffer.toString().toCharArray();
}
/** Encapsulates knowledge of paths
*/
private Paths paths;
private FSInfo fsInfo;
private boolean contextUseOptimizedZip;
private ZipFileIndexCache zipFileIndexCache;
private final File uninited = new File("U N I N I T E D");
private final Set<JavaFileObject.Kind> sourceOrClass =
EnumSet.of(JavaFileObject.Kind.SOURCE, JavaFileObject.Kind.CLASS);
/** The standard output directory, primarily used for classes.
* Initialized by the "-d" option.
* If classOutDir = null, files are written into same directory as the sources
* they were generated from.
*/
private File classOutDir = uninited;
/** The output directory, used when generating sources while processing annotations.
* Initialized by the "-s" option.
*/
private File sourceOutDir = uninited;
protected boolean mmappedIO;
protected boolean ignoreSymbolFile;
@ -154,13 +134,6 @@ public class JavacFileManager extends BaseFileManager implements StandardJavaFil
@Override
public void setContext(Context context) {
super.setContext(context);
if (paths == null) {
paths = Paths.instance(context);
} else {
// Reuse the Paths object as it stores the locations that
// have been set with setLocation, etc.
paths.setContext(context);
}
fsInfo = FSInfo.instance(context);
@ -179,7 +152,7 @@ public class JavacFileManager extends BaseFileManager implements StandardJavaFil
@Override
public boolean isDefaultBootClassPath() {
return paths.isDefaultBootClassPath();
return locations.isDefaultBootClassPath();
}
public JavaFileObject getFileForInput(String name) {
@ -493,7 +466,7 @@ public class JavacFileManager extends BaseFileManager implements StandardJavaFil
*/
private Archive openArchive(File zipFileName, boolean useOptimizedZip) throws IOException {
File origZipFileName = zipFileName;
if (!ignoreSymbolFile && paths.isDefaultBootClassPathRtJar(zipFileName)) {
if (!ignoreSymbolFile && locations.isDefaultBootClassPathRtJar(zipFileName)) {
File file = zipFileName.getParentFile().getParentFile(); // ${java.home}
if (new File(file.getName()).equals(new File("jre")))
file = file.getParentFile();
@ -780,7 +753,7 @@ public class JavacFileManager extends BaseFileManager implements StandardJavaFil
} else if (location == SOURCE_OUTPUT) {
dir = (getSourceOutDir() != null ? getSourceOutDir() : getClassOutDir());
} else {
Iterable<? extends File> path = paths.getPathForLocation(location);
Iterable<? extends File> path = locations.getLocation(location);
dir = null;
for (File f: path) {
dir = f;
@ -815,64 +788,20 @@ public class JavacFileManager extends BaseFileManager implements StandardJavaFil
throws IOException
{
nullCheck(location);
paths.lazy();
final File dir = location.isOutputLocation() ? getOutputDirectory(path) : null;
if (location == CLASS_OUTPUT)
classOutDir = getOutputLocation(dir, D);
else if (location == SOURCE_OUTPUT)
sourceOutDir = getOutputLocation(dir, S);
else
paths.setPathForLocation(location, path);
}
// where
private File getOutputDirectory(Iterable<? extends File> path) throws IOException {
if (path == null)
return null;
Iterator<? extends File> pathIter = path.iterator();
if (!pathIter.hasNext())
throw new IllegalArgumentException("empty path for directory");
File dir = pathIter.next();
if (pathIter.hasNext())
throw new IllegalArgumentException("path too long for directory");
if (!dir.exists())
throw new FileNotFoundException(dir + ": does not exist");
else if (!dir.isDirectory())
throw new IOException(dir + ": not a directory");
return dir;
}
private File getOutputLocation(File dir, OptionName defaultOptionName) {
if (dir != null)
return dir;
String arg = options.get(defaultOptionName);
if (arg == null)
return null;
return new File(arg);
locations.setLocation(location, path);
}
public Iterable<? extends File> getLocation(Location location) {
nullCheck(location);
paths.lazy();
if (location == CLASS_OUTPUT) {
return (getClassOutDir() == null ? null : List.of(getClassOutDir()));
} else if (location == SOURCE_OUTPUT) {
return (getSourceOutDir() == null ? null : List.of(getSourceOutDir()));
} else
return paths.getPathForLocation(location);
return locations.getLocation(location);
}
private File getClassOutDir() {
if (classOutDir == uninited)
classOutDir = getOutputLocation(null, D);
return classOutDir;
return locations.getOutputLocation(CLASS_OUTPUT);
}
private File getSourceOutDir() {
if (sourceOutDir == uninited)
sourceOutDir = getOutputLocation(null, S);
return sourceOutDir;
return locations.getOutputLocation(SOURCE_OUTPUT);
}
/**

771
langtools/src/share/classes/com/sun/tools/javac/file/Locations.java Normal file
View File

@ -0,0 +1,771 @@
/*
* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.file;
import java.io.FileNotFoundException;
import java.util.Iterator;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.zip.ZipFile;
import javax.tools.JavaFileManager.Location;
import javax.tools.StandardLocation;
import com.sun.tools.javac.code.Lint;
import com.sun.tools.javac.main.OptionName;
import com.sun.tools.javac.util.ListBuffer;
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.util.Options;
import javax.tools.JavaFileManager;
import static javax.tools.StandardLocation.*;
import static com.sun.tools.javac.main.OptionName.*;
/** This class converts command line arguments, environment variables
* and system properties (in File.pathSeparator-separated String form)
* into a boot class path, user class path, and source path (in
* Collection<String> form).
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public class Locations {
/** The log to use for warning output */
private Log log;
/** Collection of command-line options */
private Options options;
/** Handler for -Xlint options */
private Lint lint;
/** Access to (possibly cached) file info */
private FSInfo fsInfo;
/** Whether to warn about non-existent path elements */
private boolean warn;
// TODO: remove need for this
private boolean inited = false; // TODO? caching bad?
public Locations() {
initHandlers();
}
public void update(Log log, Options options, Lint lint, FSInfo fsInfo) {
this.log = log;
this.options = options;
this.lint = lint;
this.fsInfo = fsInfo;
}
public Collection<File> bootClassPath() {
return getLocation(PLATFORM_CLASS_PATH);
}
public boolean isDefaultBootClassPath() {
BootClassPathLocationHandler h =
(BootClassPathLocationHandler) getHandler(PLATFORM_CLASS_PATH);
return h.isDefault();
}
boolean isDefaultBootClassPathRtJar(File file) {
BootClassPathLocationHandler h =
(BootClassPathLocationHandler) getHandler(PLATFORM_CLASS_PATH);
return h.isDefaultRtJar(file);
}
public Collection<File> userClassPath() {
return getLocation(CLASS_PATH);
}
public Collection<File> sourcePath() {
Collection<File> p = getLocation(SOURCE_PATH);
// TODO: this should be handled by the LocationHandler
return p == null || p.isEmpty() ? null : p;
}
/**
* Split a path into its elements. Empty path elements will be ignored.
* @param path The path to be split
* @return The elements of the path
*/
private static Iterable<File> getPathEntries(String path) {
return getPathEntries(path, null);
}
/**
* Split a path into its elements. If emptyPathDefault is not null, all
* empty elements in the path, including empty elements at either end of
* the path, will be replaced with the value of emptyPathDefault.
* @param path The path to be split
* @param emptyPathDefault The value to substitute for empty path elements,
* or null, to ignore empty path elements
* @return The elements of the path
*/
private static Iterable<File> getPathEntries(String path, File emptyPathDefault) {
ListBuffer<File> entries = new ListBuffer<File>();
int start = 0;
while (start <= path.length()) {
int sep = path.indexOf(File.pathSeparatorChar, start);
if (sep == -1)
sep = path.length();
if (start < sep)
entries.add(new File(path.substring(start, sep)));
else if (emptyPathDefault != null)
entries.add(emptyPathDefault);
start = sep + 1;
}
return entries;
}
/**
* Utility class to help evaluate a path option.
* Duplicate entries are ignored, jar class paths can be expanded.
*/
private class Path extends LinkedHashSet<File> {
private static final long serialVersionUID = 0;
private boolean expandJarClassPaths = false;
private Set<File> canonicalValues = new HashSet<File>();
public Path expandJarClassPaths(boolean x) {
expandJarClassPaths = x;
return this;
}
/** What to use when path element is the empty string */
private File emptyPathDefault = null;
public Path emptyPathDefault(File x) {
emptyPathDefault = x;
return this;
}
public Path() { super(); }
public Path addDirectories(String dirs, boolean warn) {
boolean prev = expandJarClassPaths;
expandJarClassPaths = true;
try {
if (dirs != null)
for (File dir : getPathEntries(dirs))
addDirectory(dir, warn);
return this;
} finally {
expandJarClassPaths = prev;
}
}
public Path addDirectories(String dirs) {
return addDirectories(dirs, warn);
}
private void addDirectory(File dir, boolean warn) {
if (!dir.isDirectory()) {
if (warn)
log.warning(Lint.LintCategory.PATH,
"dir.path.element.not.found", dir);
return;
}
File[] files = dir.listFiles();
if (files == null)
return;
for (File direntry : files) {
if (isArchive(direntry))
addFile(direntry, warn);
}
}
public Path addFiles(String files, boolean warn) {
if (files != null) {
addFiles(getPathEntries(files, emptyPathDefault), warn);
}
return this;
}
public Path addFiles(String files) {
return addFiles(files, warn);
}
public Path addFiles(Iterable<? extends File> files, boolean warn) {
if (files != null) {
for (File file: files)
addFile(file, warn);
}
return this;
}
public Path addFiles(Iterable<? extends File> files) {
return addFiles(files, warn);
}
public void addFile(File file, boolean warn) {
if (contains(file)) {
// discard duplicates
return;
}
if (! fsInfo.exists(file)) {
/* No such file or directory exists */
if (warn) {
log.warning(Lint.LintCategory.PATH,
"path.element.not.found", file);
}
super.add(file);
return;
}
File canonFile = fsInfo.getCanonicalFile(file);
if (canonicalValues.contains(canonFile)) {
/* Discard duplicates and avoid infinite recursion */
return;
}
if (fsInfo.isFile(file)) {
/* File is an ordinary file. */
if (!isArchive(file)) {
/* Not a recognized extension; open it to see if
it looks like a valid zip file. */
try {
ZipFile z = new ZipFile(file);
z.close();
if (warn) {
log.warning(Lint.LintCategory.PATH,
"unexpected.archive.file", file);
}
} catch (IOException e) {
// FIXME: include e.getLocalizedMessage in warning
if (warn) {
log.warning(Lint.LintCategory.PATH,
"invalid.archive.file", file);
}
return;
}
}
}
/* Now what we have left is either a directory or a file name
conforming to archive naming convention */
super.add(file);
canonicalValues.add(canonFile);
if (expandJarClassPaths && fsInfo.isFile(file))
addJarClassPath(file, warn);
}
// Adds referenced classpath elements from a jar's Class-Path
// Manifest entry. In some future release, we may want to
// update this code to recognize URLs rather than simple
// filenames, but if we do, we should redo all path-related code.
private void addJarClassPath(File jarFile, boolean warn) {
try {
for (File f: fsInfo.getJarClassPath(jarFile)) {
addFile(f, warn);
}
} catch (IOException e) {
log.error("error.reading.file", jarFile, JavacFileManager.getMessage(e));
}
}
}
/**
* Base class for handling support for the representation of Locations.
* Implementations are responsible for handling the interactions between
* the command line options for a location, and API access via setLocation.
* @see #initHandlers
* @see #getHandler
*/
protected abstract class LocationHandler {
final Location location;
final Set<OptionName> options;
/**
* Create a handler. The location and options provide a way to map
* from a location or an option to the corresponding handler.
* @see #initHandlers
*/
protected LocationHandler(Location location, OptionName... options) {
this.location = location;
this.options = options.length == 0 ?
EnumSet.noneOf(OptionName.class):
EnumSet.copyOf(Arrays.asList(options));
}
// TODO: TEMPORARY, while Options still used for command line options
void update(Options optionTable) {
for (OptionName o: options) {
String v = optionTable.get(o);
if (v != null) {
handleOption(o, v);
}
}
}
/** @see JavaFileManager#handleOption. */
abstract boolean handleOption(OptionName option, String value);
/** @see JavaFileManager#getLocation. */
abstract Collection<File> getLocation();
/** @see JavaFileManager#setLocation. */
abstract void setLocation(Iterable<? extends File> files) throws IOException;
}
/**
* General purpose implementation for output locations,
* such as -d/CLASS_OUTPUT and -s/SOURCE_OUTPUT.
* All options are treated as equivalent (i.e. aliases.)
* The value is a single file, possibly null.
*/
private class OutputLocationHandler extends LocationHandler {
private File outputDir;
OutputLocationHandler(Location location, OptionName... options) {
super(location, options);
}
@Override
boolean handleOption(OptionName option, String value) {
if (!options.contains(option))
return false;
// TODO: could/should validate outputDir exists and is a directory
// need to decide how best to report issue for benefit of
// direct API call on JavaFileManager.handleOption(specifies IAE)
// vs. command line decoding.
outputDir = new File(value);
return true;
}
@Override
Collection<File> getLocation() {
return (outputDir == null) ? null : Collections.singleton(outputDir);
}
@Override
void setLocation(Iterable<? extends File> files) throws IOException {
if (files == null) {
outputDir = null;
} else {
Iterator<? extends File> pathIter = files.iterator();
if (!pathIter.hasNext())
throw new IllegalArgumentException("empty path for directory");
File dir = pathIter.next();
if (pathIter.hasNext())
throw new IllegalArgumentException("path too long for directory");
if (!dir.exists())
throw new FileNotFoundException(dir + ": does not exist");
else if (!dir.isDirectory())
throw new IOException(dir + ": not a directory");
outputDir = dir;
}
}
}
/**
* General purpose implementation for search path locations,
* such as -sourcepath/SOURCE_PATH and -processorPath/ANNOTATION_PROCESS_PATH.
* All options are treated as equivalent (i.e. aliases.)
* The value is an ordered set of files and/or directories.
*/
private class SimpleLocationHandler extends LocationHandler {
protected Collection<File> searchPath;
SimpleLocationHandler(Location location, OptionName... options) {
super(location, options);
}
@Override
boolean handleOption(OptionName option, String value) {
if (!options.contains(option))
return false;
searchPath = value == null ? null :
Collections.unmodifiableCollection(computePath(value));
return true;
}
protected Path computePath(String value) {
return new Path().addFiles(value);
}
@Override
Collection<File> getLocation() {
return searchPath;
}
@Override
void setLocation(Iterable<? extends File> files) {
Path p;
if (files == null) {
p = computePath(null);
} else {
p = new Path().addFiles(files);
}
searchPath = Collections.unmodifiableCollection(p);
}
}
/**
* Subtype of SimpleLocationHandler for -classpath/CLASS_PATH.
* If no value is given, a default is provided, based on system properties
* and other values.
*/
private class ClassPathLocationHandler extends SimpleLocationHandler {
ClassPathLocationHandler() {
super(StandardLocation.CLASS_PATH,
OptionName.CLASSPATH, OptionName.CP);
}
@Override
Collection<File> getLocation() {
lazy();
return searchPath;
}
@Override
protected Path computePath(String value) {
String cp = value;
// CLASSPATH environment variable when run from `javac'.
if (cp == null) cp = System.getProperty("env.class.path");
// If invoked via a java VM (not the javac launcher), use the
// platform class path
if (cp == null && System.getProperty("application.home") == null)
cp = System.getProperty("java.class.path");
// Default to current working directory.
if (cp == null) cp = ".";
return new Path()
.expandJarClassPaths(true) // Only search user jars for Class-Paths
.emptyPathDefault(new File(".")) // Empty path elt ==> current directory
.addFiles(cp);
}
private void lazy() {
if (searchPath == null)
setLocation(null);
}
}
/**
* Custom subtype of LocationHandler for PLATFORM_CLASS_PATH.
* Various options are supported for different components of the
* platform class path.
* Setting a value with setLocation overrides all existing option values.
* Setting any option overrides any value set with setLocation, and reverts
* to using default values for options that have not been set.
* Setting -bootclasspath or -Xbootclasspath overrides any existing
* value for -Xbootclasspath/p: and -Xbootclasspath/a:.
*/
private class BootClassPathLocationHandler extends LocationHandler {
private Collection<File> searchPath;
final Map<OptionName, String> optionValues = new EnumMap<OptionName,String>(OptionName.class);
/**
* rt.jar as found on the default bootclasspath.
* If the user specified a bootclasspath, null is used.
*/
private File defaultBootClassPathRtJar = null;
/**
* Is bootclasspath the default?
*/
private boolean isDefaultBootClassPath;
BootClassPathLocationHandler() {
super(StandardLocation.PLATFORM_CLASS_PATH,
OptionName.BOOTCLASSPATH, OptionName.XBOOTCLASSPATH,
OptionName.XBOOTCLASSPATH_PREPEND,
OptionName.XBOOTCLASSPATH_APPEND,
OptionName.ENDORSEDDIRS, OptionName.DJAVA_ENDORSED_DIRS,
OptionName.EXTDIRS, OptionName.DJAVA_EXT_DIRS);
}
boolean isDefault() {
lazy();
return isDefaultBootClassPath;
}
boolean isDefaultRtJar(File file) {
lazy();
return file.equals(defaultBootClassPathRtJar);
}
@Override
boolean handleOption(OptionName option, String value) {
if (!options.contains(option))
return false;
option = canonicalize(option);
optionValues.put(option, value);
if (option == BOOTCLASSPATH) {
optionValues.remove(XBOOTCLASSPATH_PREPEND);
optionValues.remove(XBOOTCLASSPATH_APPEND);
}
searchPath = null; // reset to "uninitialized"
return true;
}
// where
// TODO: would be better if option aliasing was handled at a higher
// level
private OptionName canonicalize(OptionName option) {
switch (option) {
case XBOOTCLASSPATH:
return OptionName.BOOTCLASSPATH;
case DJAVA_ENDORSED_DIRS:
return OptionName.ENDORSEDDIRS;
case DJAVA_EXT_DIRS:
return OptionName.EXTDIRS;
default:
return option;
}
}
@Override
Collection<File> getLocation() {
lazy();
return searchPath;
}
@Override
void setLocation(Iterable<? extends File> files) {
if (files == null) {
searchPath = null; // reset to "uninitialized"
} else {
defaultBootClassPathRtJar = null;
isDefaultBootClassPath = false;
Path p = new Path().addFiles(files, false);
searchPath = Collections.unmodifiableCollection(p);
optionValues.clear();
}
}
Path computePath() {
defaultBootClassPathRtJar = null;
Path path = new Path();
String bootclasspathOpt = optionValues.get(BOOTCLASSPATH);
String endorseddirsOpt = optionValues.get(ENDORSEDDIRS);
String extdirsOpt = optionValues.get(EXTDIRS);
String xbootclasspathPrependOpt = optionValues.get(XBOOTCLASSPATH_PREPEND);
String xbootclasspathAppendOpt = optionValues.get(XBOOTCLASSPATH_APPEND);
path.addFiles(xbootclasspathPrependOpt);
if (endorseddirsOpt != null)
path.addDirectories(endorseddirsOpt);
else
path.addDirectories(System.getProperty("java.endorsed.dirs"), false);
if (bootclasspathOpt != null) {
path.addFiles(bootclasspathOpt);
} else {
// Standard system classes for this compiler's release.
String files = System.getProperty("sun.boot.class.path");
path.addFiles(files, false);
File rt_jar = new File("rt.jar");
for (File file : getPathEntries(files)) {
if (new File(file.getName()).equals(rt_jar))
defaultBootClassPathRtJar = file;
}
}
path.addFiles(xbootclasspathAppendOpt);
// Strictly speaking, standard extensions are not bootstrap
// classes, but we treat them identically, so we'll pretend
// that they are.
if (extdirsOpt != null)
path.addDirectories(extdirsOpt);
else
path.addDirectories(System.getProperty("java.ext.dirs"), false);
isDefaultBootClassPath =
(xbootclasspathPrependOpt == null) &&
(bootclasspathOpt == null) &&
(xbootclasspathAppendOpt == null);
return path;
}
private void lazy() {
if (searchPath == null)
searchPath = Collections.unmodifiableCollection(computePath());
}
}
Map<Location, LocationHandler> handlersForLocation;
Map<OptionName, LocationHandler> handlersForOption;
void initHandlers() {
handlersForLocation = new HashMap<Location, LocationHandler>();
handlersForOption = new EnumMap<OptionName, LocationHandler>(OptionName.class);
LocationHandler[] handlers = {
new BootClassPathLocationHandler(),
new ClassPathLocationHandler(),
new SimpleLocationHandler(StandardLocation.SOURCE_PATH, OptionName.SOURCEPATH),
new SimpleLocationHandler(StandardLocation.ANNOTATION_PROCESSOR_PATH, OptionName.PROCESSORPATH),
new OutputLocationHandler((StandardLocation.CLASS_OUTPUT), OptionName.D),
new OutputLocationHandler((StandardLocation.SOURCE_OUTPUT), OptionName.S)
};
for (LocationHandler h: handlers) {
handlersForLocation.put(h.location, h);
for (OptionName o: h.options)
handlersForOption.put(o, h);
}
}
boolean handleOption(OptionName option, String value) {
LocationHandler h = handlersForOption.get(option);
return (h == null ? false : h.handleOption(option, value));
}
Collection<File> getLocation(Location location) {
LocationHandler h = getHandler(location);
return (h == null ? null : h.getLocation());
}
File getOutputLocation(Location location) {
if (!location.isOutputLocation())
throw new IllegalArgumentException();
LocationHandler h = getHandler(location);
return ((OutputLocationHandler) h).outputDir;
}
void setLocation(Location location, Iterable<? extends File> files) throws IOException {
LocationHandler h = getHandler(location);
if (h == null) {
if (location.isOutputLocation())
h = new OutputLocationHandler(location);
else
h = new SimpleLocationHandler(location);
handlersForLocation.put(location, h);
}
h.setLocation(files);
}
protected LocationHandler getHandler(Location location) {
location.getClass(); // null check
lazy();
return handlersForLocation.get(location);
}
// TOGO
protected void lazy() {
if (!inited) {
warn = lint.isEnabled(Lint.LintCategory.PATH);
for (LocationHandler h: handlersForLocation.values()) {
h.update(options);
}
inited = true;
}
}
/** Is this the name of an archive file? */
private boolean isArchive(File file) {
String n = file.getName().toLowerCase();
return fsInfo.isFile(file)
&& (n.endsWith(".jar") || n.endsWith(".zip"));
}
/**
* Utility method for converting a search path string to an array
* of directory and JAR file URLs.
*
* Note that this method is called by apt and the DocletInvoker.
*
* @param path the search path string
* @return the resulting array of directory and JAR file URLs
*/
public static URL[] pathToURLs(String path) {
StringTokenizer st = new StringTokenizer(path, File.pathSeparator);
URL[] urls = new URL[st.countTokens()];
int count = 0;
while (st.hasMoreTokens()) {
URL url = fileToURL(new File(st.nextToken()));
if (url != null) {
urls[count++] = url;
}
}
if (urls.length != count) {
URL[] tmp = new URL[count];
System.arraycopy(urls, 0, tmp, 0, count);
urls = tmp;
}
return urls;
}
/**
* Returns the directory or JAR file URL corresponding to the specified
* local file name.
*
* @param file the File object
* @return the resulting directory or JAR file URL, or null if unknown
*/
private static URL fileToURL(File file) {
String name;
try {
name = file.getCanonicalPath();
} catch (IOException e) {
name = file.getAbsolutePath();
}
name = name.replace(File.separatorChar, '/');
if (!name.startsWith("/")) {
name = "/" + name;
}
// If the file does not exist, then assume that it's a directory
if (!file.isFile()) {
name = name + "/";
}
try {
return new URL("file", "", name);
} catch (MalformedURLException e) {
throw new IllegalArgumentException(file.toString());
}
}
}

558
langtools/src/share/classes/com/sun/tools/javac/file/Paths.java
View File

@ -1,558 +0,0 @@
/*
* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.file;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.StringTokenizer;
import java.util.zip.ZipFile;
import javax.tools.JavaFileManager.Location;
import com.sun.tools.javac.code.Lint;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.ListBuffer;
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.util.Options;
import static javax.tools.StandardLocation.*;
import static com.sun.tools.javac.main.OptionName.*;
/** This class converts command line arguments, environment variables
* and system properties (in File.pathSeparator-separated String form)
* into a boot class path, user class path, and source path (in
* Collection<String> form).
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public class Paths {
/** The context key for the todo list */
protected static final Context.Key<Paths> pathsKey =
new Context.Key<Paths>();
/** Get the Paths instance for this context.
* @param context the context
* @return the Paths instance for this context
*/
public static Paths instance(Context context) {
Paths instance = context.get(pathsKey);
if (instance == null)
instance = new Paths(context);
return instance;
}
/** The log to use for warning output */
private Log log;
/** Collection of command-line options */
private Options options;
/** Handler for -Xlint options */
private Lint lint;
/** Access to (possibly cached) file info */
private FSInfo fsInfo;
protected Paths(Context context) {
context.put(pathsKey, this);
pathsForLocation = new HashMap<Location,Path>(16);
setContext(context);
}
void setContext(Context context) {
log = Log.instance(context);
options = Options.instance(context);
lint = Lint.instance(context);
fsInfo = FSInfo.instance(context);
}
/** Whether to warn about non-existent path elements */
private boolean warn;
private Map<Location, Path> pathsForLocation;
private boolean inited = false; // TODO? caching bad?
/**
* rt.jar as found on the default bootclass path. If the user specified a
* bootclasspath, null is used.
*/
private File defaultBootClassPathRtJar = null;
/**
* Is bootclasspath the default?
*/
private boolean isDefaultBootClassPath;
Path getPathForLocation(Location location) {
Path path = pathsForLocation.get(location);
if (path == null)
setPathForLocation(location, null);
return pathsForLocation.get(location);
}
void setPathForLocation(Location location, Iterable<? extends File> path) {
// TODO? if (inited) throw new IllegalStateException
// TODO: otherwise reset sourceSearchPath, classSearchPath as needed
Path p;
if (path == null) {
if (location == CLASS_PATH)
p = computeUserClassPath();
else if (location == PLATFORM_CLASS_PATH)
p = computeBootClassPath(); // sets isDefaultBootClassPath
else if (location == ANNOTATION_PROCESSOR_PATH)
p = computeAnnotationProcessorPath();
else if (location == SOURCE_PATH)
p = computeSourcePath();
else
// no defaults for other paths
p = null;
} else {
if (location == PLATFORM_CLASS_PATH) {
defaultBootClassPathRtJar = null;
isDefaultBootClassPath = false;
}
p = new Path();
for (File f: path)
p.addFile(f, warn); // TODO: is use of warn appropriate?
}
pathsForLocation.put(location, p);
}
public boolean isDefaultBootClassPath() {
lazy();
return isDefaultBootClassPath;
}
protected void lazy() {
if (!inited) {
warn = lint.isEnabled(Lint.LintCategory.PATH);
pathsForLocation.put(PLATFORM_CLASS_PATH, computeBootClassPath());
pathsForLocation.put(CLASS_PATH, computeUserClassPath());
pathsForLocation.put(SOURCE_PATH, computeSourcePath());
inited = true;
}
}
public Collection<File> bootClassPath() {
lazy();
return Collections.unmodifiableCollection(getPathForLocation(PLATFORM_CLASS_PATH));
}
public Collection<File> userClassPath() {
lazy();
return Collections.unmodifiableCollection(getPathForLocation(CLASS_PATH));
}
public Collection<File> sourcePath() {
lazy();
Path p = getPathForLocation(SOURCE_PATH);
return p == null || p.size() == 0
? null
: Collections.unmodifiableCollection(p);
}
boolean isDefaultBootClassPathRtJar(File file) {
return file.equals(defaultBootClassPathRtJar);
}
/**
* Split a path into its elements. Empty path elements will be ignored.
* @param path The path to be split
* @return The elements of the path
*/
private static Iterable<File> getPathEntries(String path) {
return getPathEntries(path, null);
}
/**
* Split a path into its elements. If emptyPathDefault is not null, all
* empty elements in the path, including empty elements at either end of
* the path, will be replaced with the value of emptyPathDefault.
* @param path The path to be split
* @param emptyPathDefault The value to substitute for empty path elements,
* or null, to ignore empty path elements
* @return The elements of the path
*/
private static Iterable<File> getPathEntries(String path, File emptyPathDefault) {
ListBuffer<File> entries = new ListBuffer<File>();
int start = 0;
while (start <= path.length()) {
int sep = path.indexOf(File.pathSeparatorChar, start);
if (sep == -1)
sep = path.length();
if (start < sep)
entries.add(new File(path.substring(start, sep)));
else if (emptyPathDefault != null)
entries.add(emptyPathDefault);
start = sep + 1;
}
return entries;
}
private class Path extends LinkedHashSet<File> {
private static final long serialVersionUID = 0;
private boolean expandJarClassPaths = false;
private Set<File> canonicalValues = new HashSet<File>();
public Path expandJarClassPaths(boolean x) {
expandJarClassPaths = x;
return this;
}
/** What to use when path element is the empty string */
private File emptyPathDefault = null;
public Path emptyPathDefault(File x) {
emptyPathDefault = x;
return this;
}
public Path() { super(); }
public Path addDirectories(String dirs, boolean warn) {
boolean prev = expandJarClassPaths;
expandJarClassPaths = true;
try {
if (dirs != null)
for (File dir : getPathEntries(dirs))
addDirectory(dir, warn);
return this;
} finally {
expandJarClassPaths = prev;
}
}
public Path addDirectories(String dirs) {
return addDirectories(dirs, warn);
}
private void addDirectory(File dir, boolean warn) {
if (!dir.isDirectory()) {
if (warn)
log.warning(Lint.LintCategory.PATH,
"dir.path.element.not.found", dir);
return;
}
File[] files = dir.listFiles();
if (files == null)
return;
for (File direntry : files) {
if (isArchive(direntry))
addFile(direntry, warn);
}
}
public Path addFiles(String files, boolean warn) {
if (files != null) {
for (File file : getPathEntries(files, emptyPathDefault))
addFile(file, warn);
}
return this;
}
public Path addFiles(String files) {
return addFiles(files, warn);
}
public void addFile(File file, boolean warn) {
if (contains(file)) {
// discard duplicates
return;
}
if (! fsInfo.exists(file)) {
/* No such file or directory exists */
if (warn) {
log.warning(Lint.LintCategory.PATH,
"path.element.not.found", file);
}
super.add(file);
return;
}
File canonFile = fsInfo.getCanonicalFile(file);
if (canonicalValues.contains(canonFile)) {
/* Discard duplicates and avoid infinite recursion */
return;
}
if (fsInfo.isFile(file)) {
/* File is an ordinary file. */
if (!isArchive(file)) {
/* Not a recognized extension; open it to see if
it looks like a valid zip file. */
try {
ZipFile z = new ZipFile(file);
z.close();
if (warn) {
log.warning(Lint.LintCategory.PATH,
"unexpected.archive.file", file);
}
} catch (IOException e) {
// FIXME: include e.getLocalizedMessage in warning
if (warn) {
log.warning(Lint.LintCategory.PATH,
"invalid.archive.file", file);
}
return;
}
}
}
/* Now what we have left is either a directory or a file name
conforming to archive naming convention */
super.add(file);
canonicalValues.add(canonFile);
if (expandJarClassPaths && fsInfo.isFile(file))
addJarClassPath(file, warn);
}
// Adds referenced classpath elements from a jar's Class-Path
// Manifest entry. In some future release, we may want to
// update this code to recognize URLs rather than simple
// filenames, but if we do, we should redo all path-related code.
private void addJarClassPath(File jarFile, boolean warn) {
try {
for (File f: fsInfo.getJarClassPath(jarFile)) {
addFile(f, warn);
}
} catch (IOException e) {
log.error("error.reading.file", jarFile, JavacFileManager.getMessage(e));
}
}
}
private Path computeBootClassPath() {
defaultBootClassPathRtJar = null;
Path path = new Path();
String bootclasspathOpt = options.get(BOOTCLASSPATH);
String endorseddirsOpt = options.get(ENDORSEDDIRS);
String extdirsOpt = options.get(EXTDIRS);
String xbootclasspathPrependOpt = options.get(XBOOTCLASSPATH_PREPEND);
String xbootclasspathAppendOpt = options.get(XBOOTCLASSPATH_APPEND);
path.addFiles(xbootclasspathPrependOpt);
if (endorseddirsOpt != null)
path.addDirectories(endorseddirsOpt);
else
path.addDirectories(System.getProperty("java.endorsed.dirs"), false);
if (bootclasspathOpt != null) {
path.addFiles(bootclasspathOpt);
} else {
// Standard system classes for this compiler's release.
String files = System.getProperty("sun.boot.class.path");
path.addFiles(files, false);
File rt_jar = new File("rt.jar");
for (File file : getPathEntries(files)) {
if (new File(file.getName()).equals(rt_jar))
defaultBootClassPathRtJar = file;
}
}
path.addFiles(xbootclasspathAppendOpt);
// Strictly speaking, standard extensions are not bootstrap
// classes, but we treat them identically, so we'll pretend
// that they are.
if (extdirsOpt != null)
path.addDirectories(extdirsOpt);
else
path.addDirectories(System.getProperty("java.ext.dirs"), false);
isDefaultBootClassPath =
(xbootclasspathPrependOpt == null) &&
(bootclasspathOpt == null) &&
(xbootclasspathAppendOpt == null);
return path;
}
private Path computeUserClassPath() {
String cp = options.get(CLASSPATH);
// CLASSPATH environment variable when run from `javac'.
if (cp == null) cp = System.getProperty("env.class.path");
// If invoked via a java VM (not the javac launcher), use the
// platform class path
if (cp == null && System.getProperty("application.home") == null)
cp = System.getProperty("java.class.path");
// Default to current working directory.
if (cp == null) cp = ".";
return new Path()
.expandJarClassPaths(true) // Only search user jars for Class-Paths
.emptyPathDefault(new File(".")) // Empty path elt ==> current directory
.addFiles(cp);
}
private Path computeSourcePath() {
String sourcePathArg = options.get(SOURCEPATH);
if (sourcePathArg == null)
return null;
return new Path().addFiles(sourcePathArg);
}
private Path computeAnnotationProcessorPath() {
String processorPathArg = options.get(PROCESSORPATH);
if (processorPathArg == null)
return null;
return new Path().addFiles(processorPathArg);
}
/** The actual effective locations searched for sources */
private Path sourceSearchPath;
public Collection<File> sourceSearchPath() {
if (sourceSearchPath == null) {
lazy();
Path sourcePath = getPathForLocation(SOURCE_PATH);
Path userClassPath = getPathForLocation(CLASS_PATH);
sourceSearchPath = sourcePath != null ? sourcePath : userClassPath;
}
return Collections.unmodifiableCollection(sourceSearchPath);
}
/** The actual effective locations searched for classes */
private Path classSearchPath;
public Collection<File> classSearchPath() {
if (classSearchPath == null) {
lazy();
Path bootClassPath = getPathForLocation(PLATFORM_CLASS_PATH);
Path userClassPath = getPathForLocation(CLASS_PATH);
classSearchPath = new Path();
classSearchPath.addAll(bootClassPath);
classSearchPath.addAll(userClassPath);
}
return Collections.unmodifiableCollection(classSearchPath);
}
/** The actual effective locations for non-source, non-class files */
private Path otherSearchPath;
Collection<File> otherSearchPath() {
if (otherSearchPath == null) {
lazy();
Path userClassPath = getPathForLocation(CLASS_PATH);
Path sourcePath = getPathForLocation(SOURCE_PATH);
if (sourcePath == null)
otherSearchPath = userClassPath;
else {
otherSearchPath = new Path();
otherSearchPath.addAll(userClassPath);
otherSearchPath.addAll(sourcePath);
}
}
return Collections.unmodifiableCollection(otherSearchPath);
}
/** Is this the name of an archive file? */
private boolean isArchive(File file) {
String n = file.getName().toLowerCase();
return fsInfo.isFile(file)
&& (n.endsWith(".jar") || n.endsWith(".zip"));
}
/**
* Utility method for converting a search path string to an array
* of directory and JAR file URLs.
*
* Note that this method is called by apt and the DocletInvoker.
*
* @param path the search path string
* @return the resulting array of directory and JAR file URLs
*/
public static URL[] pathToURLs(String path) {
StringTokenizer st = new StringTokenizer(path, File.pathSeparator);
URL[] urls = new URL[st.countTokens()];
int count = 0;
while (st.hasMoreTokens()) {
URL url = fileToURL(new File(st.nextToken()));
if (url != null) {
urls[count++] = url;
}
}
if (urls.length != count) {
URL[] tmp = new URL[count];
System.arraycopy(urls, 0, tmp, 0, count);
urls = tmp;
}
return urls;
}
/**
* Returns the directory or JAR file URL corresponding to the specified
* local file name.
*
* @param file the File object
* @return the resulting directory or JAR file URL, or null if unknown
*/
private static URL fileToURL(File file) {
String name;
try {
name = file.getCanonicalPath();
} catch (IOException e) {
name = file.getAbsolutePath();
}
name = name.replace(File.separatorChar, '/');
if (!name.startsWith("/")) {
name = "/" + name;
}
// If the file does not exist, then assume that it's a directory
if (!file.isFile()) {
name = name + "/";
}
try {
return new URL("file", "", name);
} catch (MalformedURLException e) {
throw new IllegalArgumentException(file.toString());
}
}
}

23
langtools/src/share/classes/com/sun/tools/javac/jvm/Code.java
View File

@ -1542,7 +1542,28 @@ public class Code {
*/
public void addCatch(
char startPc, char endPc, char handlerPc, char catchType) {
catchInfo.append(new char[]{startPc, endPc, handlerPc, catchType});
catchInfo.append(new char[]{startPc, endPc, handlerPc, catchType});
}
public void compressCatchTable() {
ListBuffer<char[]> compressedCatchInfo = ListBuffer.lb();
List<Integer> handlerPcs = List.nil();
for (char[] catchEntry : catchInfo.elems) {
handlerPcs = handlerPcs.prepend((int)catchEntry[2]);
}
for (char[] catchEntry : catchInfo.elems) {
int startpc = catchEntry[0];
int endpc = catchEntry[1];
if (startpc == endpc ||
(startpc == (endpc - 1) &&
handlerPcs.contains(startpc))) {
continue;
} else {
compressedCatchInfo.append(catchEntry);
}
}
catchInfo = compressedCatchInfo;
}

34
langtools/src/share/classes/com/sun/tools/javac/jvm/Gen.java
View File

@ -959,6 +959,9 @@ public class Gen extends JCTree.Visitor {
code.lastFrame = null;
code.frameBeforeLast = null;
}
//compress exception table
code.compressCatchTable();
}
}
@ -1437,7 +1440,6 @@ public class Gen extends JCTree.Visitor {
code.markDead();
}
}
// Resolve all breaks.
code.resolve(exitChain);
@ -1496,23 +1498,21 @@ public class Gen extends JCTree.Visitor {
void registerCatch(DiagnosticPosition pos,
int startpc, int endpc,
int handler_pc, int catch_type) {
if (startpc != endpc) {
char startpc1 = (char)startpc;
char endpc1 = (char)endpc;
char handler_pc1 = (char)handler_pc;
if (startpc1 == startpc &&
endpc1 == endpc &&
handler_pc1 == handler_pc) {
code.addCatch(startpc1, endpc1, handler_pc1,
(char)catch_type);
char startpc1 = (char)startpc;
char endpc1 = (char)endpc;
char handler_pc1 = (char)handler_pc;
if (startpc1 == startpc &&
endpc1 == endpc &&
handler_pc1 == handler_pc) {
code.addCatch(startpc1, endpc1, handler_pc1,
(char)catch_type);
} else {
if (!useJsrLocally && !target.generateStackMapTable()) {
useJsrLocally = true;
throw new CodeSizeOverflow();
} else {
if (!useJsrLocally && !target.generateStackMapTable()) {
useJsrLocally = true;
throw new CodeSizeOverflow();
} else {
log.error(pos, "limit.code.too.large.for.try.stmt");
nerrs++;
}
log.error(pos, "limit.code.too.large.for.try.stmt");
nerrs++;
}
}
}

15
langtools/src/share/classes/com/sun/tools/javac/nio/JavacPathFileManager.java
View File

@ -25,9 +25,7 @@
package com.sun.tools.javac.nio;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
@ -60,7 +58,6 @@ import javax.tools.StandardLocation;
import static java.nio.file.FileVisitOption.*;
import static javax.tools.StandardLocation.*;
import com.sun.tools.javac.file.Paths;
import com.sun.tools.javac.util.BaseFileManager;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.List;
@ -125,9 +122,8 @@ public class JavacPathFileManager extends BaseFileManager implements PathFileMan
* Set the context for JavacPathFileManager.
*/
@Override
protected void setContext(Context context) {
public void setContext(Context context) {
super.setContext(context);
searchPaths = Paths.instance(context);
}
@Override
@ -173,7 +169,7 @@ public class JavacPathFileManager extends BaseFileManager implements PathFileMan
@Override
public boolean isDefaultBootClassPath() {
return searchPaths.isDefaultBootClassPath();
return locations.isDefaultBootClassPath();
}
// <editor-fold defaultstate="collapsed" desc="Location handling">
@ -231,13 +227,13 @@ public class JavacPathFileManager extends BaseFileManager implements PathFileMan
if (locn instanceof StandardLocation) {
switch ((StandardLocation) locn) {
case CLASS_PATH:
files = searchPaths.userClassPath();
files = locations.userClassPath();
break;
case PLATFORM_CLASS_PATH:
files = searchPaths.bootClassPath();
files = locations.bootClassPath();
break;
case SOURCE_PATH:
files = searchPaths.sourcePath();
files = locations.sourcePath();
break;
case CLASS_OUTPUT: {
String arg = options.get(D);
@ -272,7 +268,6 @@ public class JavacPathFileManager extends BaseFileManager implements PathFileMan
private boolean inited = false;
private Map<Location, PathsForLocation> pathsForLocation;
private Paths searchPaths;
private static class PathsForLocation extends LinkedHashSet<Path> {
private static final long serialVersionUID = 6788510222394486733L;

6
langtools/src/share/classes/com/sun/tools/javac/parser/EndPosParser.java
View File

@ -67,14 +67,14 @@ public class EndPosParser extends JavacParser {
/** {@inheritDoc} */
@Override
protected <T extends JCTree> T to(T t) {
storeEnd(t, S.endPos());
storeEnd(t, token.endPos);
return t;
}
/** {@inheritDoc} */
@Override
protected <T extends JCTree> T toP(T t) {
storeEnd(t, S.prevEndPos());
storeEnd(t, S.prevToken().endPos);
return t;
}
@ -88,7 +88,7 @@ public class EndPosParser extends JavacParser {
/** {@inheritDoc} */
@Override
JCExpression parExpression() {
int pos = S.pos();
int pos = token.pos;
JCExpression t = super.parExpression();
return toP(F.at(pos).Parens(t));
}

896
langtools/src/share/classes/com/sun/tools/javac/parser/JavaTokenizer.java Normal file
View File

@ -0,0 +1,896 @@
/*
* Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.parser;
import java.nio.CharBuffer;
import com.sun.tools.javac.code.Source;
import com.sun.tools.javac.util.*;
import static com.sun.tools.javac.parser.Tokens.*;
import static com.sun.tools.javac.util.LayoutCharacters.*;
/** The lexical analyzer maps an input stream consisting of
* ASCII characters and Unicode escapes into a token sequence.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public class JavaTokenizer {
private static boolean scannerDebug = false;
/** Allow hex floating-point literals.
*/
private boolean allowHexFloats;
/** Allow binary literals.
*/
private boolean allowBinaryLiterals;
/** Allow underscores in literals.
*/
private boolean allowUnderscoresInLiterals;
/** The source language setting.
*/
private Source source;
/** The log to be used for error reporting.
*/
private final Log log;
/** The name table. */
private final Names names;
/** The token factory. */
private final Tokens tokens;
/** The token kind, set by nextToken().
*/
protected TokenKind tk;
/** The token's radix, set by nextToken().
*/
protected int radix;
/** The token's name, set by nextToken().
*/
protected Name name;
/** The position where a lexical error occurred;
*/
protected int errPos = Position.NOPOS;
/** Has a @deprecated been encountered in last doc comment?
* this needs to be reset by client.
*/
protected boolean deprecatedFlag = false;
/** A character buffer for saved chars.
*/
protected char[] sbuf = new char[128];
protected int sp;
protected UnicodeReader reader;
private static final boolean hexFloatsWork = hexFloatsWork();
private static boolean hexFloatsWork() {
try {
Float.valueOf("0x1.0p1");
return true;
} catch (NumberFormatException ex) {
return false;
}
}
/**
* Create a scanner from the input array. This method might
* modify the array. To avoid copying the input array, ensure
* that {@code inputLength < input.length} or
* {@code input[input.length -1]} is a white space character.
*
* @param fac the factory which created this Scanner
* @param input the input, might be modified
* @param inputLength the size of the input.
* Must be positive and less than or equal to input.length.
*/
protected JavaTokenizer(ScannerFactory fac, CharBuffer buf) {
this(fac, new UnicodeReader(fac, buf));
}
protected JavaTokenizer(ScannerFactory fac, char[] buf, int inputLength) {
this(fac, new UnicodeReader(fac, buf, inputLength));
}
protected JavaTokenizer(ScannerFactory fac, UnicodeReader reader) {
log = fac.log;
names = fac.names;
tokens = fac.tokens;
source = fac.source;
this.reader = reader;
allowBinaryLiterals = source.allowBinaryLiterals();
allowHexFloats = source.allowHexFloats();
allowUnderscoresInLiterals = source.allowUnderscoresInLiterals();
}
/** Report an error at the given position using the provided arguments.
*/
protected void lexError(int pos, String key, Object... args) {
log.error(pos, key, args);
tk = TokenKind.ERROR;
errPos = pos;
}
/** Read next character in comment, skipping over double '\' characters.
*/
protected void scanCommentChar() {
reader.scanChar();
if (reader.ch == '\\') {
if (reader.peekChar() == '\\' && !reader.isUnicode()) {
reader.skipChar();
} else {
reader.convertUnicode();
}
}
}
/** Append a character to sbuf.
*/
private void putChar(char ch) {
if (sp == sbuf.length) {
char[] newsbuf = new char[sbuf.length * 2];
System.arraycopy(sbuf, 0, newsbuf, 0, sbuf.length);
sbuf = newsbuf;
}
sbuf[sp++] = ch;
}
/** Read next character in character or string literal and copy into sbuf.
*/
private void scanLitChar(int pos) {
if (reader.ch == '\\') {
if (reader.peekChar() == '\\' && !reader.isUnicode()) {
reader.skipChar();
putChar('\\');
reader.scanChar();
} else {
reader.scanChar();
switch (reader.ch) {
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
char leadch = reader.ch;
int oct = reader.digit(pos, 8);
reader.scanChar();
if ('0' <= reader.ch && reader.ch <= '7') {
oct = oct * 8 + reader.digit(pos, 8);
reader.scanChar();
if (leadch <= '3' && '0' <= reader.ch && reader.ch <= '7') {
oct = oct * 8 + reader.digit(pos, 8);
reader.scanChar();
}
}
putChar((char)oct);
break;
case 'b':
putChar('\b'); reader.scanChar(); break;
case 't':
putChar('\t'); reader.scanChar(); break;
case 'n':
putChar('\n'); reader.scanChar(); break;
case 'f':
putChar('\f'); reader.scanChar(); break;
case 'r':
putChar('\r'); reader.scanChar(); break;
case '\'':
putChar('\''); reader.scanChar(); break;
case '\"':
putChar('\"'); reader.scanChar(); break;
case '\\':
putChar('\\'); reader.scanChar(); break;
default:
lexError(reader.bp, "illegal.esc.char");
}
}
} else if (reader.bp != reader.buflen) {
putChar(reader.ch); reader.scanChar();
}
}
private void scanDigits(int pos, int digitRadix) {
char saveCh;
int savePos;
do {
if (reader.ch != '_') {
putChar(reader.ch);
} else {
if (!allowUnderscoresInLiterals) {
lexError(pos, "unsupported.underscore.lit", source.name);
allowUnderscoresInLiterals = true;
}
}
saveCh = reader.ch;
savePos = reader.bp;
reader.scanChar();
} while (reader.digit(pos, digitRadix) >= 0 || reader.ch == '_');
if (saveCh == '_')
lexError(savePos, "illegal.underscore");
}
/** Read fractional part of hexadecimal floating point number.
*/
private void scanHexExponentAndSuffix(int pos) {
if (reader.ch == 'p' || reader.ch == 'P') {
putChar(reader.ch);
reader.scanChar();
skipIllegalUnderscores();
if (reader.ch == '+' || reader.ch == '-') {
putChar(reader.ch);
reader.scanChar();
}
skipIllegalUnderscores();
if ('0' <= reader.ch && reader.ch <= '9') {
scanDigits(pos, 10);
if (!allowHexFloats) {
lexError(pos, "unsupported.fp.lit", source.name);
allowHexFloats = true;
}
else if (!hexFloatsWork)
lexError(pos, "unsupported.cross.fp.lit");
} else
lexError(pos, "malformed.fp.lit");
} else {
lexError(pos, "malformed.fp.lit");
}
if (reader.ch == 'f' || reader.ch == 'F') {
putChar(reader.ch);
reader.scanChar();
tk = TokenKind.FLOATLITERAL;
radix = 16;
} else {
if (reader.ch == 'd' || reader.ch == 'D') {
putChar(reader.ch);
reader.scanChar();
}
tk = TokenKind.DOUBLELITERAL;
radix = 16;
}
}
/** Read fractional part of floating point number.
*/
private void scanFraction(int pos) {
skipIllegalUnderscores();
if ('0' <= reader.ch && reader.ch <= '9') {
scanDigits(pos, 10);
}
int sp1 = sp;
if (reader.ch == 'e' || reader.ch == 'E') {
putChar(reader.ch);
reader.scanChar();
skipIllegalUnderscores();
if (reader.ch == '+' || reader.ch == '-') {
putChar(reader.ch);
reader.scanChar();
}
skipIllegalUnderscores();
if ('0' <= reader.ch && reader.ch <= '9') {
scanDigits(pos, 10);
return;
}
lexError(pos, "malformed.fp.lit");
sp = sp1;
}
}
/** Read fractional part and 'd' or 'f' suffix of floating point number.
*/
private void scanFractionAndSuffix(int pos) {
radix = 10;
scanFraction(pos);
if (reader.ch == 'f' || reader.ch == 'F') {
putChar(reader.ch);
reader.scanChar();
tk = TokenKind.FLOATLITERAL;
} else {
if (reader.ch == 'd' || reader.ch == 'D') {
putChar(reader.ch);
reader.scanChar();
}
tk = TokenKind.DOUBLELITERAL;
}
}
/** Read fractional part and 'd' or 'f' suffix of floating point number.
*/
private void scanHexFractionAndSuffix(int pos, boolean seendigit) {
radix = 16;
Assert.check(reader.ch == '.');
putChar(reader.ch);
reader.scanChar();
skipIllegalUnderscores();
if (reader.digit(pos, 16) >= 0) {
seendigit = true;
scanDigits(pos, 16);
}
if (!seendigit)
lexError(pos, "invalid.hex.number");
else
scanHexExponentAndSuffix(pos);
}
private void skipIllegalUnderscores() {
if (reader.ch == '_') {
lexError(reader.bp, "illegal.underscore");
while (reader.ch == '_')
reader.scanChar();
}
}
/** Read a number.
* @param radix The radix of the number; one of 2, j8, 10, 16.
*/
private void scanNumber(int pos, int radix) {
// for octal, allow base-10 digit in case it's a float literal
this.radix = radix;
int digitRadix = (radix == 8 ? 10 : radix);
boolean seendigit = false;
if (reader.digit(pos, digitRadix) >= 0) {
seendigit = true;
scanDigits(pos, digitRadix);
}
if (radix == 16 && reader.ch == '.') {
scanHexFractionAndSuffix(pos, seendigit);
} else if (seendigit && radix == 16 && (reader.ch == 'p' || reader.ch == 'P')) {
scanHexExponentAndSuffix(pos);
} else if (digitRadix == 10 && reader.ch == '.') {
putChar(reader.ch);
reader.scanChar();
scanFractionAndSuffix(pos);
} else if (digitRadix == 10 &&
(reader.ch == 'e' || reader.ch == 'E' ||
reader.ch == 'f' || reader.ch == 'F' ||
reader.ch == 'd' || reader.ch == 'D')) {
scanFractionAndSuffix(pos);
} else {
if (reader.ch == 'l' || reader.ch == 'L') {
reader.scanChar();
tk = TokenKind.LONGLITERAL;
} else {
tk = TokenKind.INTLITERAL;
}
}
}
/** Read an identifier.
*/
private void scanIdent() {
boolean isJavaIdentifierPart;
char high;
do {
if (sp == sbuf.length) putChar(reader.ch); else sbuf[sp++] = reader.ch;
// optimization, was: putChar(reader.ch);
reader.scanChar();
switch (reader.ch) {
case 'A': case 'B': case 'C': case 'D': case 'E':
case 'F': case 'G': case 'H': case 'I': case 'J':
case 'K': case 'L': case 'M': case 'N': case 'O':
case 'P': case 'Q': case 'R': case 'S': case 'T':
case 'U': case 'V': case 'W': case 'X': case 'Y':
case 'Z':
case 'a': case 'b': case 'c': case 'd': case 'e':
case 'f': case 'g': case 'h': case 'i': case 'j':
case 'k': case 'l': case 'm': case 'n': case 'o':
case 'p': case 'q': case 'r': case 's': case 't':
case 'u': case 'v': case 'w': case 'x': case 'y':
case 'z':
case '$': case '_':
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case '\u0000': case '\u0001': case '\u0002': case '\u0003':
case '\u0004': case '\u0005': case '\u0006': case '\u0007':
case '\u0008': case '\u000E': case '\u000F': case '\u0010':
case '\u0011': case '\u0012': case '\u0013': case '\u0014':
case '\u0015': case '\u0016': case '\u0017':
case '\u0018': case '\u0019': case '\u001B':
case '\u007F':
break;
case '\u001A': // EOI is also a legal identifier part
if (reader.bp >= reader.buflen) {
name = names.fromChars(sbuf, 0, sp);
tk = tokens.lookupKind(name);
return;
}
break;
default:
if (reader.ch < '\u0080') {
// all ASCII range chars already handled, above
isJavaIdentifierPart = false;
} else {
high = reader.scanSurrogates();
if (high != 0) {
if (sp == sbuf.length) {
putChar(high);
} else {
sbuf[sp++] = high;
}
isJavaIdentifierPart = Character.isJavaIdentifierPart(
Character.toCodePoint(high, reader.ch));
} else {
isJavaIdentifierPart = Character.isJavaIdentifierPart(reader.ch);
}
}
if (!isJavaIdentifierPart) {
name = names.fromChars(sbuf, 0, sp);
tk = tokens.lookupKind(name);
return;
}
}
} while (true);
}
/** Return true if reader.ch can be part of an operator.
*/
private boolean isSpecial(char ch) {
switch (ch) {
case '!': case '%': case '&': case '*': case '?':
case '+': case '-': case ':': case '<': case '=':
case '>': case '^': case '|': case '~':
case '@':
return true;
default:
return false;
}
}
/** Read longest possible sequence of special characters and convert
* to token.
*/
private void scanOperator() {
while (true) {
putChar(reader.ch);
Name newname = names.fromChars(sbuf, 0, sp);
TokenKind tk1 = tokens.lookupKind(newname);
if (tk1 == TokenKind.IDENTIFIER) {
sp--;
break;
}
tk = tk1;
reader.scanChar();
if (!isSpecial(reader.ch)) break;
}
}
/**
* Scan a documentation comment; determine if a deprecated tag is present.
* Called once the initial /, * have been skipped, positioned at the second *
* (which is treated as the beginning of the first line).
* Stops positioned at the closing '/'.
*/
@SuppressWarnings("fallthrough")
private void scanDocComment() {
boolean deprecatedPrefix = false;
forEachLine:
while (reader.bp < reader.buflen) {
// Skip optional WhiteSpace at beginning of line
while (reader.bp < reader.buflen && (reader.ch == ' ' || reader.ch == '\t' || reader.ch == FF)) {
scanCommentChar();
}
// Skip optional consecutive Stars
while (reader.bp < reader.buflen && reader.ch == '*') {
scanCommentChar();
if (reader.ch == '/') {
return;
}
}
// Skip optional WhiteSpace after Stars
while (reader.bp < reader.buflen && (reader.ch == ' ' || reader.ch == '\t' || reader.ch == FF)) {
scanCommentChar();
}
deprecatedPrefix = false;
// At beginning of line in the JavaDoc sense.
if (reader.bp < reader.buflen && reader.ch == '@' && !deprecatedFlag) {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 'd') {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 'e') {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 'p') {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 'r') {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 'e') {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 'c') {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 'a') {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 't') {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 'e') {
scanCommentChar();
if (reader.bp < reader.buflen && reader.ch == 'd') {
deprecatedPrefix = true;
scanCommentChar();
}}}}}}}}}}}
if (deprecatedPrefix && reader.bp < reader.buflen) {
if (Character.isWhitespace(reader.ch)) {
deprecatedFlag = true;
} else if (reader.ch == '*') {
scanCommentChar();
if (reader.ch == '/') {
deprecatedFlag = true;
return;
}
}
}
// Skip rest of line
while (reader.bp < reader.buflen) {
switch (reader.ch) {
case '*':
scanCommentChar();
if (reader.ch == '/') {
return;
}
break;
case CR: // (Spec 3.4)
scanCommentChar();
if (reader.ch != LF) {
continue forEachLine;
}
/* fall through to LF case */
case LF: // (Spec 3.4)
scanCommentChar();
continue forEachLine;
default:
scanCommentChar();
}
} // rest of line
} // forEachLine
return;
}
/** Read token.
*/
public Token readToken() {
sp = 0;
name = null;
deprecatedFlag = false;
radix = 0;
int pos = 0;
int endPos = 0;
try {
loop: while (true) {
pos = reader.bp;
switch (reader.ch) {
case ' ': // (Spec 3.6)
case '\t': // (Spec 3.6)
case FF: // (Spec 3.6)
do {
reader.scanChar();
} while (reader.ch == ' ' || reader.ch == '\t' || reader.ch == FF);
processWhiteSpace(pos, reader.bp);
break;
case LF: // (Spec 3.4)
reader.scanChar();
processLineTerminator(pos, reader.bp);
break;
case CR: // (Spec 3.4)
reader.scanChar();
if (reader.ch == LF) {
reader.scanChar();
}
processLineTerminator(pos, reader.bp);
break;
case 'A': case 'B': case 'C': case 'D': case 'E':
case 'F': case 'G': case 'H': case 'I': case 'J':
case 'K': case 'L': case 'M': case 'N': case 'O':
case 'P': case 'Q': case 'R': case 'S': case 'T':
case 'U': case 'V': case 'W': case 'X': case 'Y':
case 'Z':
case 'a': case 'b': case 'c': case 'd': case 'e':
case 'f': case 'g': case 'h': case 'i': case 'j':
case 'k': case 'l': case 'm': case 'n': case 'o':
case 'p': case 'q': case 'r': case 's': case 't':
case 'u': case 'v': case 'w': case 'x': case 'y':
case 'z':
case '$': case '_':
scanIdent();
break loop;
case '0':
reader.scanChar();
if (reader.ch == 'x' || reader.ch == 'X') {
reader.scanChar();
skipIllegalUnderscores();
if (reader.ch == '.') {
scanHexFractionAndSuffix(pos, false);
} else if (reader.digit(pos, 16) < 0) {
lexError(pos, "invalid.hex.number");
} else {
scanNumber(pos, 16);
}
} else if (reader.ch == 'b' || reader.ch == 'B') {
if (!allowBinaryLiterals) {
lexError(pos, "unsupported.binary.lit", source.name);
allowBinaryLiterals = true;
}
reader.scanChar();
skipIllegalUnderscores();
if (reader.digit(pos, 2) < 0) {
lexError(pos, "invalid.binary.number");
} else {
scanNumber(pos, 2);
}
} else {
putChar('0');
if (reader.ch == '_') {
int savePos = reader.bp;
do {
reader.scanChar();
} while (reader.ch == '_');
if (reader.digit(pos, 10) < 0) {
lexError(savePos, "illegal.underscore");
}
}
scanNumber(pos, 8);
}
break loop;
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
scanNumber(pos, 10);
break loop;
case '.':
reader.scanChar();
if ('0' <= reader.ch && reader.ch <= '9') {
putChar('.');
scanFractionAndSuffix(pos);
} else if (reader.ch == '.') {
putChar('.'); putChar('.');
reader.scanChar();
if (reader.ch == '.') {
reader.scanChar();
putChar('.');
tk = TokenKind.ELLIPSIS;
} else {
lexError(pos, "malformed.fp.lit");
}
} else {
tk = TokenKind.DOT;
}
break loop;
case ',':
reader.scanChar(); tk = TokenKind.COMMA; break loop;
case ';':
reader.scanChar(); tk = TokenKind.SEMI; break loop;
case '(':
reader.scanChar(); tk = TokenKind.LPAREN; break loop;
case ')':
reader.scanChar(); tk = TokenKind.RPAREN; break loop;
case '[':
reader.scanChar(); tk = TokenKind.LBRACKET; break loop;
case ']':
reader.scanChar(); tk = TokenKind.RBRACKET; break loop;
case '{':
reader.scanChar(); tk = TokenKind.LBRACE; break loop;
case '}':
reader.scanChar(); tk = TokenKind.RBRACE; break loop;
case '/':
reader.scanChar();
if (reader.ch == '/') {
do {
scanCommentChar();
} while (reader.ch != CR && reader.ch != LF && reader.bp < reader.buflen);
if (reader.bp < reader.buflen) {
processComment(pos, reader.bp, CommentStyle.LINE);
}
break;
} else if (reader.ch == '*') {
reader.scanChar();
CommentStyle style;
if (reader.ch == '*') {
style = CommentStyle.JAVADOC;
scanDocComment();
} else {
style = CommentStyle.BLOCK;
while (reader.bp < reader.buflen) {
if (reader.ch == '*') {
reader.scanChar();
if (reader.ch == '/') break;
} else {
scanCommentChar();
}
}
}
if (reader.ch == '/') {
reader.scanChar();
processComment(pos, reader.bp, style);
break;
} else {
lexError(pos, "unclosed.comment");
break loop;
}
} else if (reader.ch == '=') {
tk = TokenKind.SLASHEQ;
reader.scanChar();
} else {
tk = TokenKind.SLASH;
}
break loop;
case '\'':
reader.scanChar();
if (reader.ch == '\'') {
lexError(pos, "empty.char.lit");
} else {
if (reader.ch == CR || reader.ch == LF)
lexError(pos, "illegal.line.end.in.char.lit");
scanLitChar(pos);
char ch2 = reader.ch;
if (reader.ch == '\'') {
reader.scanChar();
tk = TokenKind.CHARLITERAL;
} else {
lexError(pos, "unclosed.char.lit");
}
}
break loop;
case '\"':
reader.scanChar();
while (reader.ch != '\"' && reader.ch != CR && reader.ch != LF && reader.bp < reader.buflen)
scanLitChar(pos);
if (reader.ch == '\"') {
tk = TokenKind.STRINGLITERAL;
reader.scanChar();
} else {
lexError(pos, "unclosed.str.lit");
}
break loop;
default:
if (isSpecial(reader.ch)) {
scanOperator();
} else {
boolean isJavaIdentifierStart;
if (reader.ch < '\u0080') {
// all ASCII range chars already handled, above
isJavaIdentifierStart = false;
} else {
char high = reader.scanSurrogates();
if (high != 0) {
if (sp == sbuf.length) {
putChar(high);
} else {
sbuf[sp++] = high;
}
isJavaIdentifierStart = Character.isJavaIdentifierStart(
Character.toCodePoint(high, reader.ch));
} else {
isJavaIdentifierStart = Character.isJavaIdentifierStart(reader.ch);
}
}
if (isJavaIdentifierStart) {
scanIdent();
} else if (reader.bp == reader.buflen || reader.ch == EOI && reader.bp + 1 == reader.buflen) { // JLS 3.5
tk = TokenKind.EOF;
pos = reader.buflen;
} else {
lexError(pos, "illegal.char", String.valueOf((int)reader.ch));
reader.scanChar();
}
}
break loop;
}
}
endPos = reader.bp;
switch (tk.tag) {
case DEFAULT: return new Token(tk, pos, endPos, deprecatedFlag);
case NAMED: return new NamedToken(tk, pos, endPos, name, deprecatedFlag);
case STRING: return new StringToken(tk, pos, endPos, new String(sbuf, 0, sp), deprecatedFlag);
case NUMERIC: return new NumericToken(tk, pos, endPos, new String(sbuf, 0, sp), radix, deprecatedFlag);
default: throw new AssertionError();
}
}
finally {
if (scannerDebug) {
System.out.println("nextToken(" + pos
+ "," + endPos + ")=|" +
new String(reader.getRawCharacters(pos, endPos))
+ "|");
}
}
}
/** Return the position where a lexical error occurred;
*/
public int errPos() {
return errPos;
}
/** Set the position where a lexical error occurred;
*/
public void errPos(int pos) {
errPos = pos;
}
public enum CommentStyle {
LINE,
BLOCK,
JAVADOC,
}
/**
* Called when a complete comment has been scanned. pos and endPos
* will mark the comment boundary.
*/
protected void processComment(int pos, int endPos, CommentStyle style) {
if (scannerDebug)
System.out.println("processComment(" + pos
+ "," + endPos + "," + style + ")=|"
+ new String(reader.getRawCharacters(pos, endPos))
+ "|");
}
/**
* Called when a complete whitespace run has been scanned. pos and endPos
* will mark the whitespace boundary.
*/
protected void processWhiteSpace(int pos, int endPos) {
if (scannerDebug)
System.out.println("processWhitespace(" + pos
+ "," + endPos + ")=|" +
new String(reader.getRawCharacters(pos, endPos))
+ "|");
}
/**
* Called when a line terminator has been processed.
*/
protected void processLineTerminator(int pos, int endPos) {
if (scannerDebug)
System.out.println("processTerminator(" + pos
+ "," + endPos + ")=|" +
new String(reader.getRawCharacters(pos, endPos))
+ "|");
}
/** Build a map for translating between line numbers and
* positions in the input.
*
* @return a LineMap */
public Position.LineMap getLineMap() {
return Position.makeLineMap(reader.getRawCharacters(), reader.buflen, false);
}
}

1033
langtools/src/share/classes/com/sun/tools/javac/parser/JavacParser.java
View File

File diff suppressed because it is too large Load Diff

46
langtools/src/share/classes/com/sun/tools/javac/parser/DocCommentScanner.java → langtools/src/share/classes/com/sun/tools/javac/parser/JavadocTokenizer.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -25,9 +25,12 @@
package com.sun.tools.javac.parser;
import com.sun.tools.javac.file.JavacFileManager;
import com.sun.tools.javac.parser.Tokens.Token;
import com.sun.tools.javac.util.*;
import java.nio.*;
import com.sun.tools.javac.util.*;
import static com.sun.tools.javac.util.LayoutCharacters.*;
/** An extension to the base lexical analyzer that captures
@ -40,26 +43,22 @@ import static com.sun.tools.javac.util.LayoutCharacters.*;
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public class DocCommentScanner extends Scanner {
public class JavadocTokenizer extends JavaTokenizer {
/** Create a scanner from the input buffer. buffer must implement
* array() and compact(), and remaining() must be less than limit().
*/
protected DocCommentScanner(ScannerFactory fac, CharBuffer buffer) {
protected JavadocTokenizer(ScannerFactory fac, CharBuffer buffer) {
super(fac, buffer);
}
/** Create a scanner from the input array. The array must have at
* least a single character of extra space.
*/
protected DocCommentScanner(ScannerFactory fac, char[] input, int inputLength) {
protected JavadocTokenizer(ScannerFactory fac, char[] input, int inputLength) {
super(fac, input, inputLength);
}
/** Starting position of the comment in original source
*/
private int pos;
/** The comment input buffer, index of next chacter to be read,
* index of one past last character in buffer.
*/
@ -178,6 +177,14 @@ public class DocCommentScanner extends Scanner {
}
}
@Override
public Token readToken() {
docComment = null;
Token tk = super.readToken();
tk.docComment = docComment;
return tk;
}
/**
* Read next character in doc comment, skipping over double '\' characters.
* If a double '\' is skipped, put in the buffer and update buffer count.
@ -196,32 +203,17 @@ public class DocCommentScanner extends Scanner {
}
}
/* Reset doc comment before reading each new token
*/
public void nextToken() {
docComment = null;
super.nextToken();
}
/**
* Returns the documentation string of the current token.
*/
public String docComment() {
return docComment;
}
/**
* Process a doc comment and make the string content available.
* Strips leading whitespace and stars.
*/
@SuppressWarnings("fallthrough")
protected void processComment(CommentStyle style) {
protected void processComment(int pos, int endPos, CommentStyle style) {
if (style != CommentStyle.JAVADOC) {
return;
}
pos = pos();
buf = getRawCharacters(pos, endPos());
buf = reader.getRawCharacters(pos, endPos);
buflen = buf.length;
bp = 0;
col = 0;
@ -414,7 +406,7 @@ public class DocCommentScanner extends Scanner {
*
* @return a LineMap */
public Position.LineMap getLineMap() {
char[] buf = getRawCharacters();
char[] buf = reader.getRawCharacters();
return Position.makeLineMap(buf, buf.length, true);
}
}

98
langtools/src/share/classes/com/sun/tools/javac/parser/Keywords.java
View File

@ -1,98 +0,0 @@
/*
* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.parser;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.util.Name;
import com.sun.tools.javac.util.Names;
import static com.sun.tools.javac.parser.Token.*;
/**
* Map from Name to Token and Token to String.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public class Keywords {
public static final Context.Key<Keywords> keywordsKey =
new Context.Key<Keywords>();
public static Keywords instance(Context context) {
Keywords instance = context.get(keywordsKey);
if (instance == null)
instance = new Keywords(context);
return instance;
}
private final Names names;
protected Keywords(Context context) {
context.put(keywordsKey, this);
names = Names.instance(context);
for (Token t : Token.values()) {
if (t.name != null)
enterKeyword(t.name, t);
else
tokenName[t.ordinal()] = null;
}
key = new Token[maxKey+1];
for (int i = 0; i <= maxKey; i++) key[i] = IDENTIFIER;
for (Token t : Token.values()) {
if (t.name != null)
key[tokenName[t.ordinal()].getIndex()] = t;
}
}
public Token key(Name name) {
return (name.getIndex() > maxKey) ? IDENTIFIER : key[name.getIndex()];
}
/**
* Keyword array. Maps name indices to Token.
*/
private final Token[] key;
/** The number of the last entered keyword.
*/
private int maxKey = 0;
/** The names of all tokens.
*/
private Name[] tokenName = new Name[Token.values().length];
private void enterKeyword(String s, Token token) {
Name n = names.fromString(s);
tokenName[token.ordinal()] = n;
if (n.getIndex() > maxKey) maxKey = n.getIndex();
}
}

89
langtools/src/share/classes/com/sun/tools/javac/parser/Lexer.java
View File

@ -25,7 +25,7 @@
package com.sun.tools.javac.parser;
import com.sun.tools.javac.util.*;
import com.sun.tools.javac.parser.Tokens.*;
import com.sun.tools.javac.util.Position.LineMap;
/**
@ -40,22 +40,26 @@ import com.sun.tools.javac.util.Position.LineMap;
public interface Lexer {
/**
* Has a @deprecated been encountered in last doc comment?
* This needs to be reset by client with resetDeprecatedFlag.
* Consume the next token.
*/
boolean deprecatedFlag();
void resetDeprecatedFlag();
void nextToken();
/**
* Returns the documentation string of the current token.
* Return current token.
*/
String docComment();
Token token();
/**
* Return the last character position of the current token.
* Return the last character position of the previous token.
*/
int endPos();
Token prevToken();
/**
* Splits the current token in two and return the first (splitted) token.
* For instance '<<<' is splitted into two tokens '<' and '<<' respectively,
* and the latter is returned.
*/
Token split();
/**
* Return the position where a lexical error occurred;
@ -74,69 +78,4 @@ public interface Lexer {
* @return a LineMap
*/
LineMap getLineMap();
/**
* Returns a copy of the input buffer, up to its inputLength.
* Unicode escape sequences are not translated.
*/
char[] getRawCharacters();
/**
* Returns a copy of a character array subset of the input buffer.
* The returned array begins at the <code>beginIndex</code> and
* extends to the character at index <code>endIndex - 1</code>.
* Thus the length of the substring is <code>endIndex-beginIndex</code>.
* This behavior is like
* <code>String.substring(beginIndex, endIndex)</code>.
* Unicode escape sequences are not translated.
*
* @param beginIndex the beginning index, inclusive.
* @param endIndex the ending index, exclusive.
* @throws IndexOutOfBounds if either offset is outside of the
* array bounds
*/
char[] getRawCharacters(int beginIndex, int endIndex);
/**
* Return the name of an identifier or token for the current token.
*/
Name name();
/**
* Read token.
*/
void nextToken();
/**
* Return the current token's position: a 0-based
* offset from beginning of the raw input stream
* (before unicode translation)
*/
int pos();
/**
* Return the last character position of the previous token.
*/
int prevEndPos();
/**
* Return the radix of a numeric literal token.
*/
int radix();
/**
* The value of a literal token, recorded as a string.
* For integers, leading 0x and 'l' suffixes are suppressed.
*/
String stringVal();
/**
* Return the current token, set by nextToken().
*/
Token token();
/**
* Sets the current token.
*/
void token(Token token);
}

4
langtools/src/share/classes/com/sun/tools/javac/parser/ParserFactory.java
View File

@ -55,7 +55,7 @@ public class ParserFactory {
final TreeMaker F;
final Log log;
final Keywords keywords;
final Tokens tokens;
final Source source;
final Names names;
final Options options;
@ -67,7 +67,7 @@ public class ParserFactory {
this.F = TreeMaker.instance(context);
this.log = Log.instance(context);
this.names = Names.instance(context);
this.keywords = Keywords.instance(context);
this.tokens = Tokens.instance(context);
this.source = Source.instance(context);
this.options = Options.instance(context);
this.scannerFactory = ScannerFactory.instance(context);

1085
langtools/src/share/classes/com/sun/tools/javac/parser/Scanner.java
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File diff suppressed because it is too large Load Diff

8
langtools/src/share/classes/com/sun/tools/javac/parser/ScannerFactory.java
View File

@ -57,7 +57,7 @@ public class ScannerFactory {
final Log log;
final Names names;
final Source source;
final Keywords keywords;
final Tokens tokens;
/** Create a new scanner factory. */
protected ScannerFactory(Context context) {
@ -65,14 +65,14 @@ public class ScannerFactory {
this.log = Log.instance(context);
this.names = Names.instance(context);
this.source = Source.instance(context);
this.keywords = Keywords.instance(context);
this.tokens = Tokens.instance(context);
}
public Scanner newScanner(CharSequence input, boolean keepDocComments) {
if (input instanceof CharBuffer) {
CharBuffer buf = (CharBuffer) input;
if (keepDocComments)
return new DocCommentScanner(this, buf);
return new Scanner(this, new JavadocTokenizer(this, buf));
else
return new Scanner(this, buf);
} else {
@ -83,7 +83,7 @@ public class ScannerFactory {
public Scanner newScanner(char[] input, int inputLength, boolean keepDocComments) {
if (keepDocComments)
return new DocCommentScanner(this, input, inputLength);
return new Scanner(this, new JavadocTokenizer(this, input, inputLength));
else
return new Scanner(this, input, inputLength);
}

198
langtools/src/share/classes/com/sun/tools/javac/parser/Token.java
View File

@ -1,198 +0,0 @@
/*
* Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.parser;
import java.util.Locale;
import com.sun.tools.javac.api.Formattable;
import com.sun.tools.javac.api.Messages;
/** An interface that defines codes for Java source tokens
* returned from lexical analysis.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public enum Token implements Formattable {
EOF,
ERROR,
IDENTIFIER,
ABSTRACT("abstract"),
ASSERT("assert"),
BOOLEAN("boolean"),
BREAK("break"),
BYTE("byte"),
CASE("case"),
CATCH("catch"),
CHAR("char"),
CLASS("class"),
CONST("const"),
CONTINUE("continue"),
DEFAULT("default"),
DO("do"),
DOUBLE("double"),
ELSE("else"),
ENUM("enum"),
EXTENDS("extends"),
FINAL("final"),
FINALLY("finally"),
FLOAT("float"),
FOR("for"),
GOTO("goto"),
IF("if"),
IMPLEMENTS("implements"),
IMPORT("import"),
INSTANCEOF("instanceof"),
INT("int"),
INTERFACE("interface"),
LONG("long"),
NATIVE("native"),
NEW("new"),
PACKAGE("package"),
PRIVATE("private"),
PROTECTED("protected"),
PUBLIC("public"),
RETURN("return"),
SHORT("short"),
STATIC("static"),
STRICTFP("strictfp"),
SUPER("super"),
SWITCH("switch"),
SYNCHRONIZED("synchronized"),
THIS("this"),
THROW("throw"),
THROWS("throws"),
TRANSIENT("transient"),
TRY("try"),
VOID("void"),
VOLATILE("volatile"),
WHILE("while"),
INTLITERAL,
LONGLITERAL,
FLOATLITERAL,
DOUBLELITERAL,
CHARLITERAL,
STRINGLITERAL,
TRUE("true"),
FALSE("false"),
NULL("null"),
LPAREN("("),
RPAREN(")"),
LBRACE("{"),
RBRACE("}"),
LBRACKET("["),
RBRACKET("]"),
SEMI(";"),
COMMA(","),
DOT("."),
ELLIPSIS("..."),
EQ("="),
GT(">"),
LT("<"),
BANG("!"),
TILDE("~"),
QUES("?"),
COLON(":"),
EQEQ("=="),
LTEQ("<="),
GTEQ(">="),
BANGEQ("!="),
AMPAMP("&&"),
BARBAR("||"),
PLUSPLUS("++"),
SUBSUB("--"),
PLUS("+"),
SUB("-"),
STAR("*"),
SLASH("/"),
AMP("&"),
BAR("|"),
CARET("^"),
PERCENT("%"),
LTLT("<<"),
GTGT(">>"),
GTGTGT(">>>"),
PLUSEQ("+="),
SUBEQ("-="),
STAREQ("*="),
SLASHEQ("/="),
AMPEQ("&="),
BAREQ("|="),
CARETEQ("^="),
PERCENTEQ("%="),
LTLTEQ("<<="),
GTGTEQ(">>="),
GTGTGTEQ(">>>="),
MONKEYS_AT("@"),
CUSTOM;
Token() {
this(null);
}
Token(String name) {
this.name = name;
}
public final String name;
public String toString() {
switch (this) {
case IDENTIFIER:
return "token.identifier";
case CHARLITERAL:
return "token.character";
case STRINGLITERAL:
return "token.string";
case INTLITERAL:
return "token.integer";
case LONGLITERAL:
return "token.long-integer";
case FLOATLITERAL:
return "token.float";
case DOUBLELITERAL:
return "token.double";
case ERROR:
return "token.bad-symbol";
case EOF:
return "token.end-of-input";
case DOT: case COMMA: case SEMI: case LPAREN: case RPAREN:
case LBRACKET: case RBRACKET: case LBRACE: case RBRACE:
return "'" + name + "'";
default:
return name;
}
}
public String getKind() {
return "Token";
}
public String toString(Locale locale, Messages messages) {
return name != null ? toString() : messages.getLocalizedString(locale, "compiler.misc." + toString());
}
}

423
langtools/src/share/classes/com/sun/tools/javac/parser/Tokens.java Normal file
View File

@ -0,0 +1,423 @@
/*
* Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.parser;
import java.util.Locale;
import com.sun.tools.javac.api.Formattable;
import com.sun.tools.javac.api.Messages;
import com.sun.tools.javac.parser.Tokens.Token.Tag;
import com.sun.tools.javac.util.Name;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.Names;
/** A class that defines codes/utilities for Java source tokens
* returned from lexical analysis.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public class Tokens {
private final Names names;
/**
* Keyword array. Maps name indices to Token.
*/
private final TokenKind[] key;
/** The number of the last entered keyword.
*/
private int maxKey = 0;
/** The names of all tokens.
*/
private Name[] tokenName = new Name[TokenKind.values().length];
public static final Context.Key<Tokens> tokensKey =
new Context.Key<Tokens>();
public static Tokens instance(Context context) {
Tokens instance = context.get(tokensKey);
if (instance == null)
instance = new Tokens(context);
return instance;
}
protected Tokens(Context context) {
context.put(tokensKey, this);
names = Names.instance(context);
for (TokenKind t : TokenKind.values()) {
if (t.name != null)
enterKeyword(t.name, t);
else
tokenName[t.ordinal()] = null;
}
key = new TokenKind[maxKey+1];
for (int i = 0; i <= maxKey; i++) key[i] = TokenKind.IDENTIFIER;
for (TokenKind t : TokenKind.values()) {
if (t.name != null)
key[tokenName[t.ordinal()].getIndex()] = t;
}
}
private void enterKeyword(String s, TokenKind token) {
Name n = names.fromString(s);
tokenName[token.ordinal()] = n;
if (n.getIndex() > maxKey) maxKey = n.getIndex();
}
/**
* Create a new token given a name; if the name corresponds to a token name,
* a new token of the corresponding kind is returned; otherwise, an
* identifier token is returned.
*/
TokenKind lookupKind(Name name) {
return (name.getIndex() > maxKey) ? TokenKind.IDENTIFIER : key[name.getIndex()];
}
TokenKind lookupKind(String name) {
return lookupKind(names.fromString(name));
}
/**
* This enum defines all tokens used by the javac scanner. A token is
* optionally associated with a name.
*/
public enum TokenKind implements Formattable {
EOF(),
ERROR(),
IDENTIFIER(Tag.NAMED),
ABSTRACT("abstract"),
ASSERT("assert", Tag.NAMED),
BOOLEAN("boolean", Tag.NAMED),
BREAK("break"),
BYTE("byte", Tag.NAMED),
CASE("case"),
CATCH("catch"),
CHAR("char", Tag.NAMED),
CLASS("class"),
CONST("const"),
CONTINUE("continue"),
DEFAULT("default"),
DO("do"),
DOUBLE("double", Tag.NAMED),
ELSE("else"),
ENUM("enum", Tag.NAMED),
EXTENDS("extends"),
FINAL("final"),
FINALLY("finally"),
FLOAT("float", Tag.NAMED),
FOR("for"),
GOTO("goto"),
IF("if"),
IMPLEMENTS("implements"),
IMPORT("import"),
INSTANCEOF("instanceof"),
INT("int", Tag.NAMED),
INTERFACE("interface"),
LONG("long", Tag.NAMED),
NATIVE("native"),
NEW("new"),
PACKAGE("package"),
PRIVATE("private"),
PROTECTED("protected"),
PUBLIC("public"),
RETURN("return"),
SHORT("short", Tag.NAMED),
STATIC("static"),
STRICTFP("strictfp"),
SUPER("super", Tag.NAMED),
SWITCH("switch"),
SYNCHRONIZED("synchronized"),
THIS("this", Tag.NAMED),
THROW("throw"),
THROWS("throws"),
TRANSIENT("transient"),
TRY("try"),
VOID("void", Tag.NAMED),
VOLATILE("volatile"),
WHILE("while"),
INTLITERAL(Tag.NUMERIC),
LONGLITERAL(Tag.NUMERIC),
FLOATLITERAL(Tag.NUMERIC),
DOUBLELITERAL(Tag.NUMERIC),
CHARLITERAL(Tag.NUMERIC),
STRINGLITERAL(Tag.STRING),
TRUE("true", Tag.NAMED),
FALSE("false", Tag.NAMED),
NULL("null", Tag.NAMED),
LPAREN("("),
RPAREN(")"),
LBRACE("{"),
RBRACE("}"),
LBRACKET("["),
RBRACKET("]"),
SEMI(";"),
COMMA(","),
DOT("."),
ELLIPSIS("..."),
EQ("="),
GT(">"),
LT("<"),
BANG("!"),
TILDE("~"),
QUES("?"),
COLON(":"),
EQEQ("=="),
LTEQ("<="),
GTEQ(">="),
BANGEQ("!="),
AMPAMP("&&"),
BARBAR("||"),
PLUSPLUS("++"),
SUBSUB("--"),
PLUS("+"),
SUB("-"),
STAR("*"),
SLASH("/"),
AMP("&"),
BAR("|"),
CARET("^"),
PERCENT("%"),
LTLT("<<"),
GTGT(">>"),
GTGTGT(">>>"),
PLUSEQ("+="),
SUBEQ("-="),
STAREQ("*="),
SLASHEQ("/="),
AMPEQ("&="),
BAREQ("|="),
CARETEQ("^="),
PERCENTEQ("%="),
LTLTEQ("<<="),
GTGTEQ(">>="),
GTGTGTEQ(">>>="),
MONKEYS_AT("@"),
CUSTOM;
public final String name;
public final Tag tag;
TokenKind() {
this(null, Tag.DEFAULT);
}
TokenKind(String name) {
this(name, Tag.DEFAULT);
}
TokenKind(Tag tag) {
this(null, tag);
}
TokenKind(String name, Tag tag) {
this.name = name;
this.tag = tag;
}
public String toString() {
switch (this) {
case IDENTIFIER:
return "token.identifier";
case CHARLITERAL:
return "token.character";
case STRINGLITERAL:
return "token.string";
case INTLITERAL:
return "token.integer";
case LONGLITERAL:
return "token.long-integer";
case FLOATLITERAL:
return "token.float";
case DOUBLELITERAL:
return "token.double";
case ERROR:
return "token.bad-symbol";
case EOF:
return "token.end-of-input";
case DOT: case COMMA: case SEMI: case LPAREN: case RPAREN:
case LBRACKET: case RBRACKET: case LBRACE: case RBRACE:
return "'" + name + "'";
default:
return name;
}
}
public String getKind() {
return "Token";
}
public String toString(Locale locale, Messages messages) {
return name != null ? toString() : messages.getLocalizedString(locale, "compiler.misc." + toString());
}
}
/**
* This is the class representing a javac token. Each token has several fields
* that are set by the javac lexer (i.e. start/end position, string value, etc).
*/
public static class Token {
/** tags constants **/
enum Tag {
DEFAULT,
NAMED,
STRING,
NUMERIC;
}
/** The token kind */
public final TokenKind kind;
/** The start position of this token */
public final int pos;
/** The end position of this token */
public final int endPos;
/** Is this token preceeded by a deprecated comment? */
public final boolean deprecatedFlag;
/** Is this token preceeded by a deprecated comment? */
public String docComment;
Token(TokenKind kind, int pos, int endPos,
boolean deprecatedFlag) {
this.kind = kind;
this.pos = pos;
this.endPos = endPos;
this.deprecatedFlag = deprecatedFlag;
checkKind();
}
Token[] split(Tokens tokens) {
if (kind.name.length() < 2 || kind.tag != Tag.DEFAULT) {
throw new AssertionError("Cant split" + kind);
}
TokenKind t1 = tokens.lookupKind(kind.name.substring(0, 1));
TokenKind t2 = tokens.lookupKind(kind.name.substring(1));
if (t1 == null || t2 == null) {
throw new AssertionError("Cant split - bad subtokens");
}
return new Token[] {
new Token(t1, pos, pos + t1.name.length(), deprecatedFlag),
new Token(t2, pos + t1.name.length(), endPos, false)
};
}
protected void checkKind() {
if (kind.tag != Tag.DEFAULT) {
throw new AssertionError("Bad token kind - expected " + Tag.STRING);
}
}
public Name name() {
throw new UnsupportedOperationException();
}
public String stringVal() {
throw new UnsupportedOperationException();
}
public int radix() {
throw new UnsupportedOperationException();
}
}
final static class NamedToken extends Token {
/** The name of this token */
public final Name name;
public NamedToken(TokenKind kind, int pos, int endPos, Name name, boolean deprecatedFlag) {
super(kind, pos, endPos, deprecatedFlag);
this.name = name;
}
protected void checkKind() {
if (kind.tag != Tag.NAMED) {
throw new AssertionError("Bad token kind - expected " + Tag.NAMED);
}
}
@Override
public Name name() {
return name;
}
}
static class StringToken extends Token {
/** The string value of this token */
public final String stringVal;
public StringToken(TokenKind kind, int pos, int endPos, String stringVal, boolean deprecatedFlag) {
super(kind, pos, endPos, deprecatedFlag);
this.stringVal = stringVal;
}
protected void checkKind() {
if (kind.tag != Tag.STRING) {
throw new AssertionError("Bad token kind - expected " + Tag.STRING);
}
}
@Override
public String stringVal() {
return stringVal;
}
}
final static class NumericToken extends StringToken {
/** The 'radix' value of this token */
public final int radix;
public NumericToken(TokenKind kind, int pos, int endPos, String stringVal, int radix, boolean deprecatedFlag) {
super(kind, pos, endPos, stringVal, deprecatedFlag);
this.radix = radix;
}
protected void checkKind() {
if (kind.tag != Tag.NUMERIC) {
throw new AssertionError("Bad token kind - expected " + Tag.NUMERIC);
}
}
@Override
public int radix() {
return radix;
}
}
public static final Token DUMMY =
new Token(TokenKind.ERROR, 0, 0, false);
}

227
langtools/src/share/classes/com/sun/tools/javac/parser/UnicodeReader.java Normal file
View File

@ -0,0 +1,227 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.parser;
import com.sun.tools.javac.file.JavacFileManager;
import java.nio.CharBuffer;
import com.sun.tools.javac.util.Log;
import static com.sun.tools.javac.util.LayoutCharacters.*;
/** The char reader used by the javac lexer/tokenizer. Returns the sequence of
* characters contained in the input stream, handling unicode escape accordingly.
* Additionally, it provide features for saving chars into a buffer and to retrieve
* them at a later stage.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public class UnicodeReader {
/** The input buffer, index of next character to be read,
* index of one past last character in buffer.
*/
protected char[] buf;
protected int bp;
protected final int buflen;
/** The current character.
*/
protected char ch;
/** The buffer index of the last converted unicode character
*/
protected int unicodeConversionBp = -1;
protected Log log;
/**
* Create a scanner from the input array. This method might
* modify the array. To avoid copying the input array, ensure
* that {@code inputLength < input.length} or
* {@code input[input.length -1]} is a white space character.
*
* @param fac the factory which created this Scanner
* @param input the input, might be modified
* @param inputLength the size of the input.
* Must be positive and less than or equal to input.length.
*/
protected UnicodeReader(ScannerFactory sf, CharBuffer buffer) {
this(sf, JavacFileManager.toArray(buffer), buffer.limit());
}
protected UnicodeReader(ScannerFactory sf, char[] input, int inputLength) {
log = sf.log;
if (inputLength == input.length) {
if (input.length > 0 && Character.isWhitespace(input[input.length - 1])) {
inputLength--;
} else {
char[] newInput = new char[inputLength + 1];
System.arraycopy(input, 0, newInput, 0, input.length);
input = newInput;
}
}
buf = input;
buflen = inputLength;
buf[buflen] = EOI;
bp = -1;
scanChar();
}
/** Read next character.
*/
protected void scanChar() {
if (bp < buflen) {
ch = buf[++bp];
if (ch == '\\') {
convertUnicode();
}
}
}
/** Convert unicode escape; bp points to initial '\' character
* (Spec 3.3).
*/
protected void convertUnicode() {
if (ch == '\\' && unicodeConversionBp != bp) {
bp++; ch = buf[bp];
if (ch == 'u') {
do {
bp++; ch = buf[bp];
} while (ch == 'u');
int limit = bp + 3;
if (limit < buflen) {
int d = digit(bp, 16);
int code = d;
while (bp < limit && d >= 0) {
bp++; ch = buf[bp];
d = digit(bp, 16);
code = (code << 4) + d;
}
if (d >= 0) {
ch = (char)code;
unicodeConversionBp = bp;
return;
}
}
log.error(bp, "illegal.unicode.esc");
} else {
bp--;
ch = '\\';
}
}
}
/** Are surrogates supported?
*/
final static boolean surrogatesSupported = surrogatesSupported();
private static boolean surrogatesSupported() {
try {
Character.isHighSurrogate('a');
return true;
} catch (NoSuchMethodError ex) {
return false;
}
}
/** Scan surrogate pairs. If 'ch' is a high surrogate and
* the next character is a low surrogate, then put the low
* surrogate in 'ch', and return the high surrogate.
* otherwise, just return 0.
*/
protected char scanSurrogates() {
if (surrogatesSupported && Character.isHighSurrogate(ch)) {
char high = ch;
scanChar();
if (Character.isLowSurrogate(ch)) {
return high;
}
ch = high;
}
return 0;
}
/** Convert an ASCII digit from its base (8, 10, or 16)
* to its value.
*/
protected int digit(int pos, int base) {
char c = ch;
int result = Character.digit(c, base);
if (result >= 0 && c > 0x7f) {
log.error(pos + 1, "illegal.nonascii.digit");
ch = "0123456789abcdef".charAt(result);
}
return result;
}
protected boolean isUnicode() {
return unicodeConversionBp == bp;
}
protected void skipChar() {
bp++;
}
protected char peekChar() {
return buf[bp + 1];
}
/**
* Returns a copy of the input buffer, up to its inputLength.
* Unicode escape sequences are not translated.
*/
public char[] getRawCharacters() {
char[] chars = new char[buflen];
System.arraycopy(buf, 0, chars, 0, buflen);
return chars;
}
/**
* Returns a copy of a character array subset of the input buffer.
* The returned array begins at the <code>beginIndex</code> and
* extends to the character at index <code>endIndex - 1</code>.
* Thus the length of the substring is <code>endIndex-beginIndex</code>.
* This behavior is like
* <code>String.substring(beginIndex, endIndex)</code>.
* Unicode escape sequences are not translated.
*
* @param beginIndex the beginning index, inclusive.
* @param endIndex the ending index, exclusive.
* @throws IndexOutOfBounds if either offset is outside of the
* array bounds
*/
public char[] getRawCharacters(int beginIndex, int endIndex) {
int length = endIndex - beginIndex;
char[] chars = new char[length];
System.arraycopy(buf, beginIndex, chars, 0, length);
return chars;
}
}

6
langtools/src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java
View File

@ -1072,9 +1072,9 @@ public class JavacProcessingEnvironment implements ProcessingEnvironment, Closea
Assert.checkNonNull(names);
next.put(Names.namesKey, names);
Keywords keywords = Keywords.instance(context);
Assert.checkNonNull(keywords);
next.put(Keywords.keywordsKey, keywords);
Tokens tokens = Tokens.instance(context);
Assert.checkNonNull(tokens);
next.put(Tokens.tokensKey, tokens);
JavaCompiler oldCompiler = JavaCompiler.instance(context);
JavaCompiler nextCompiler = JavaCompiler.instance(next);

49
langtools/src/share/classes/com/sun/tools/javac/resources/compiler.properties
View File

@ -1943,6 +1943,55 @@ compiler.err.string.switch.not.supported.in.source=\
strings in switch are not supported in -source {0}\n\
(use -source 7 or higher to enable strings in switch)
########################################
# Diagnostics for verbose resolution
# used by Resolve (debug only)
########################################
# 0: number, 1: symbol, 2: unused
compiler.misc.applicable.method.found=\
#{0} applicable method found: {1}
# 0: number, 1: symbol, 2: message segment
compiler.misc.applicable.method.found.1=\
#{0} applicable method found: {1}\n\
({2})
# 0: number, 1: symbol, 2: message segment
compiler.misc.not.applicable.method.found=\
#{0} not applicable method found: {1}\n\
({2})
# 0: type
compiler.misc.full.inst.sig=\
fully instantiated to: {0}
# 0: type
compiler.misc.partial.inst.sig=\
partially instantiated to: {0}
# 0: name, 1: symbol, 2: number, 3: MethodResolutionPhase, 4: list of type or message segment, 5: list of type or message segment
compiler.note.verbose.resolve.multi=\
resolving method {0} in type {1} to candidate {2}\n\
phase: {3}\n\
with actuals: {4}\n\
with type-args: {5}\n\
candidates:
# 0: name, 1: symbol, 2: unused, 3: MethodResolutionPhase, 4: list of type or message segment, 5: list of type or message segment
compiler.note.verbose.resolve.multi.1=\
erroneous resolution for method {0} in type {1}\n\
phase: {3}\n\
with actuals: {4}\n\
with type-args: {5}\n\
candidates:
# 0: symbol, 1: type, 2: type
compiler.note.deferred.method.inst=\
Deferred instantiation of method {0}\n\
instantiated signature: {1}\n\
target-type: {2}
########################################
# Diagnostics for where clause implementation
# used by the RichDiagnosticFormatter.

24
langtools/src/share/classes/com/sun/tools/javac/util/BaseFileManager.java
View File

@ -25,11 +25,6 @@
package com.sun.tools.javac.util;
import com.sun.tools.javac.code.Source;
import com.sun.tools.javac.main.JavacOption;
import com.sun.tools.javac.main.OptionName;
import com.sun.tools.javac.main.RecognizedOptions;
import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.IOException;
@ -54,6 +49,15 @@ import java.util.Map;
import javax.tools.JavaFileObject;
import javax.tools.JavaFileObject.Kind;
import com.sun.tools.javac.code.Lint;
import com.sun.tools.javac.code.Source;
import com.sun.tools.javac.file.FSInfo;
import com.sun.tools.javac.file.Locations;
import com.sun.tools.javac.main.JavacOption;
import com.sun.tools.javac.main.OptionName;
import com.sun.tools.javac.main.RecognizedOptions;
import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition;
/**
* Utility methods for building a filemanager.
* There are no references here to file-system specific objects such as
@ -63,15 +67,21 @@ public abstract class BaseFileManager {
protected BaseFileManager(Charset charset) {
this.charset = charset;
byteBufferCache = new ByteBufferCache();
locations = createLocations();
}
/**
* Set the context for JavacPathFileManager.
*/
protected void setContext(Context context) {
public void setContext(Context context) {
log = Log.instance(context);
options = Options.instance(context);
classLoaderClass = options.get("procloader");
locations.update(log, options, Lint.instance(context), FSInfo.instance(context));
}
protected Locations createLocations() {
return new Locations();
}
/**
@ -88,6 +98,8 @@ public abstract class BaseFileManager {
protected String classLoaderClass;
protected Locations locations;
protected Source getSource() {
String sourceName = options.get(OptionName.SOURCE);
Source source = null;

2
langtools/src/share/classes/com/sun/tools/javadoc/DocletInvoker.java
View File

@ -80,7 +80,7 @@ public class DocletInvoker {
cpString = appendPath(System.getProperty("env.class.path"), cpString);
cpString = appendPath(System.getProperty("java.class.path"), cpString);
cpString = appendPath(docletPath, cpString);
URL[] urls = com.sun.tools.javac.file.Paths.pathToURLs(cpString);
URL[] urls = com.sun.tools.javac.file.Locations.pathToURLs(cpString);
if (docletParentClassLoader == null)
appClassLoader = new URLClassLoader(urls, getDelegationClassLoader(docletClassName));
else

1
langtools/src/share/classes/com/sun/tools/javadoc/JavadocTool.java
View File

@ -39,7 +39,6 @@ import javax.tools.StandardLocation;
import com.sun.tools.javac.code.Symbol.CompletionFailure;
import com.sun.tools.javac.comp.Annotate;
import com.sun.tools.javac.parser.DocCommentScanner;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCClassDecl;
import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;

11
langtools/test/tools/javac/7102515/T7102515.java Normal file
View File

@ -0,0 +1,11 @@
/*
* @test /nodynamiccopyright/
* @bug 7102515
* @summary javac running very very long and not returning
* @compile/fail/ref=T7102515.out -XDrawDiagnostics T7102515.java
*/
class T7102515 {
T7102515 badBinary = new T7102515() + new T7102515();
Object badUnary = badBinary++;
}

3
langtools/test/tools/javac/7102515/T7102515.out Normal file
View File

@ -0,0 +1,3 @@
T7102515.java:9:41: compiler.err.operator.cant.be.applied.1: +, T7102515, T7102515
T7102515.java:10:32: compiler.err.operator.cant.be.applied: ++, T7102515, null
2 errors

262
langtools/test/tools/javac/T7093325.java Normal file
View File

@ -0,0 +1,262 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 7093325
* @summary Redundant entry in bytecode exception table
*/
import com.sun.source.util.JavacTask;
import com.sun.tools.classfile.Attribute;
import com.sun.tools.classfile.ClassFile;
import com.sun.tools.classfile.Code_attribute;
import com.sun.tools.classfile.ConstantPool.*;
import com.sun.tools.classfile.Method;
import com.sun.tools.javac.api.JavacTool;
import java.io.File;
import java.net.URI;
import java.util.Arrays;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;
public class T7093325 {
/** global decls ***/
// Create a single file manager and reuse it for each compile to save time.
static StandardJavaFileManager fm = JavacTool.create().getStandardFileManager(null, null, null);
//statistics
static int checkCount = 0;
enum StatementKind {
THROW("throw new RuntimeException();", false, false),
RETURN_NONEMPTY("System.out.println(); return;", true, false),
RETURN_EMPTY("return;", true, true),
APPLY("System.out.println();", true, false);
String stmt;
boolean canInline;
boolean empty;
private StatementKind(String stmt, boolean canInline, boolean empty) {
this.stmt = stmt;
this.canInline = canInline;
this.empty = empty;
}
}
enum CatchArity {
NONE(""),
ONE("catch (A a) { #S1 }"),
TWO("catch (B b) { #S2 }"),
THREE("catch (C c) { #S3 }"),
FOUR("catch (D d) { #S4 }");
String catchStr;
private CatchArity(String catchStr) {
this.catchStr = catchStr;
}
String catchers() {
if (this.ordinal() == 0) {
return catchStr;
} else {
return CatchArity.values()[this.ordinal() - 1].catchers() + catchStr;
}
}
}
public static void main(String... args) throws Exception {
for (CatchArity ca : CatchArity.values()) {
for (StatementKind stmt0 : StatementKind.values()) {
if (ca.ordinal() == 0) {
new T7093325(ca, stmt0).compileAndCheck();
continue;
}
for (StatementKind stmt1 : StatementKind.values()) {
if (ca.ordinal() == 1) {
new T7093325(ca, stmt0, stmt1).compileAndCheck();
continue;
}
for (StatementKind stmt2 : StatementKind.values()) {
if (ca.ordinal() == 2) {
new T7093325(ca, stmt0, stmt1, stmt2).compileAndCheck();
continue;
}
for (StatementKind stmt3 : StatementKind.values()) {
if (ca.ordinal() == 3) {
new T7093325(ca, stmt0, stmt1, stmt2, stmt3).compileAndCheck();
continue;
}
for (StatementKind stmt4 : StatementKind.values()) {
if (ca.ordinal() == 4) {
new T7093325(ca, stmt0, stmt1, stmt2, stmt3, stmt4).compileAndCheck();
continue;
}
for (StatementKind stmt5 : StatementKind.values()) {
new T7093325(ca, stmt0, stmt1, stmt2, stmt3, stmt4, stmt5).compileAndCheck();
}
}
}
}
}
}
}
System.out.println("Total checks made: " + checkCount);
}
/** instance decls **/
CatchArity ca;
StatementKind[] stmts;
public T7093325(CatchArity ca, StatementKind... stmts) {
this.ca = ca;
this.stmts = stmts;
}
void compileAndCheck() throws Exception {
final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
JavaSource source = new JavaSource();
JavacTask ct = (JavacTask)tool.getTask(null, fm, null,
null, null, Arrays.asList(source));
ct.call();
verifyBytecode(source);
}
void verifyBytecode(JavaSource source) {
checkCount++;
boolean lastInlined = false;
boolean hasCode = false;
int gapsCount = 0;
for (int i = 0; i < stmts.length ; i++) {
lastInlined = stmts[i].canInline;
hasCode = hasCode || !stmts[i].empty;
if (lastInlined && hasCode) {
hasCode = false;
gapsCount++;
}
}
if (!lastInlined) {
gapsCount++;
}
//System.out.printf("gaps %d \n %s \n", gapsCount, source.toString());
File compiledTest = new File("Test.class");
try {
ClassFile cf = ClassFile.read(compiledTest);
if (cf == null) {
throw new Error("Classfile not found: " + compiledTest.getName());
}
Method test_method = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals("test")) {
test_method = m;
break;
}
}
if (test_method == null) {
throw new Error("Method test() not found in class Test");
}
Code_attribute code = null;
for (Attribute a : test_method.attributes) {
if (a.getName(cf.constant_pool).equals(Attribute.Code)) {
code = (Code_attribute)a;
break;
}
}
if (code == null) {
throw new Error("Code attribute not found in method test()");
}
int actualGapsCount = 0;
for (int i = 0; i < code.exception_table_langth ; i++) {
int catchType = code.exception_table[i].catch_type;
if (catchType == 0) { //any
actualGapsCount++;
}
}
if (actualGapsCount != gapsCount) {
throw new Error("Bad exception table for test()\n" +
"expected gaps: " + gapsCount + "\n" +
"found gaps: " + actualGapsCount + "\n" +
source);
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + compiledTest +": " + e);
}
}
class JavaSource extends SimpleJavaFileObject {
static final String source_template =
"class A extends RuntimeException {} \n" +
"class B extends RuntimeException {} \n" +
"class C extends RuntimeException {} \n" +
"class D extends RuntimeException {} \n" +
"class E extends RuntimeException {} \n" +
"class Test {\n" +
" void test() {\n" +
" try { #S0 } #C finally { System.out.println(); }\n" +
" }\n" +
"}";
String source;
public JavaSource() {
super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
source = source_template.replace("#C", ca.catchers());
source = source.replace("#S0", stmts[0].stmt);
for (int i = 1; i < ca.ordinal() + 1; i++) {
source = source.replace("#S" + i, stmts[i].stmt);
}
}
@Override
public String toString() {
return source;
}
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return source;
}
}
}

6
langtools/test/tools/javac/api/TestJavacTaskScanner.java
View File

@ -32,6 +32,7 @@
import com.sun.tools.javac.api.JavacTaskImpl;
import com.sun.tools.javac.parser.*;
import com.sun.tools.javac.parser.Tokens.Token;
import com.sun.tools.javac.util.*;
import java.io.*;
import java.net.*;
@ -93,7 +94,7 @@ public class TestJavacTaskScanner extends ToolTester {
check(numTokens, "#Tokens", 1222);
check(numParseTypeElements, "#parseTypeElements", 136);
check(numAllMembers, "#allMembers", 67);
check(numAllMembers, "#allMembers", 52);
}
void check(int value, String name, int expected) {
@ -206,7 +207,8 @@ class MyScanner extends Scanner {
public void nextToken() {
super.nextToken();
System.err.format("Saw token %s (%s)%n", token(), name());
Token tk = token();
System.err.format("Saw token %s %n", tk.kind);
test.numTokens++;
}

41
langtools/test/tools/javac/depDocComment/DeprecatedDocComment3.java Normal file
View File

@ -0,0 +1,41 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 7096014
* @summary Javac tokens should retain state
* @compile -Xlint -Werror DeprecatedDocComment3.java
*/
class DeprecatedDocComment3 {
static class Foo { }
; /** @deprecated */ ;
static class A {}
static class B {
A a; //not deprecated!
}
}

4
langtools/test/tools/javac/diags/ArgTypeCompilerFactory.java
View File

@ -35,7 +35,7 @@ import com.sun.tools.javac.code.*;
import com.sun.tools.javac.file.*;
import com.sun.tools.javac.main.Main;
import com.sun.tools.javac.main.JavaCompiler;
import com.sun.tools.javac.parser.Token;
import com.sun.tools.javac.parser.Tokens.TokenKind;
import com.sun.tools.javac.util.*;
import com.sun.tools.javac.util.AbstractDiagnosticFormatter.SimpleConfiguration;
import javax.lang.model.SourceVersion;
@ -319,7 +319,7 @@ class ArgTypeCompilerFactory implements Example.Compiler.Factory {
return "modifier";
if (o instanceof KindName)
return "symbol kind";
if (o instanceof Token)
if (o instanceof TokenKind)
return "token";
if (o instanceof Symbol)
return "symbol";

33
langtools/test/tools/javac/diags/examples/ApplicableMethodFound.java Normal file
View File

@ -0,0 +1,33 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// key: compiler.misc.applicable.method.found
// key: compiler.note.verbose.resolve.multi
// options: -XDverboseResolution=applicable,success
class ApplicableMethodFound {
void m() {}
{ m(); }
}

34
langtools/test/tools/javac/diags/examples/ApplicableMethodFound1.java Normal file
View File

@ -0,0 +1,34 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// key: compiler.misc.applicable.method.found.1
// key: compiler.note.verbose.resolve.multi
// key: compiler.misc.full.inst.sig
// options: -XDverboseResolution=applicable,success
class ApplicableMethodFound1 {
<X> void m(X x) {}
{ m(1); }
}

35
langtools/test/tools/javac/diags/examples/DeferredMethodInst.java Normal file
View File

@ -0,0 +1,35 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// key: compiler.misc.applicable.method.found.1
// key: compiler.note.verbose.resolve.multi
// key: compiler.note.deferred.method.inst
// key: compiler.misc.partial.inst.sig
// options: -XDverboseResolution=applicable,success,deferred-inference
class DeferredMethodInst {
<X> X m() { return null; }
{ Integer i = m(); }
}

34
langtools/test/tools/javac/diags/examples/FullInstSig.java Normal file
View File

@ -0,0 +1,34 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// key: compiler.misc.applicable.method.found.1
// key: compiler.note.verbose.resolve.multi
// key: compiler.misc.full.inst.sig
// options: -XDverboseResolution=applicable,success
class FullInstSig {
<X> void m(X x) {}
{ m(1); }
}

35
langtools/test/tools/javac/diags/examples/NotApplicableMethodFound.java Normal file
View File

@ -0,0 +1,35 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// key: compiler.misc.not.applicable.method.found
// key: compiler.note.verbose.resolve.multi.1
// key: compiler.err.cant.apply.symbol.1
// key: compiler.misc.no.conforming.assignment.exists
// options: -XDverboseResolution=inapplicable,failure
class NotApplicableMethodFound {
void m(int i) {}
{ m(""); }
}

34
langtools/test/tools/javac/diags/examples/PartialInstSig.java Normal file
View File

@ -0,0 +1,34 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// key: compiler.misc.applicable.method.found.1
// key: compiler.note.verbose.resolve.multi
// key: compiler.misc.partial.inst.sig
// options: -XDverboseResolution=applicable,success
class PartialInstSig {
<X> X m() { return null; }
{ m(); }
}

33
langtools/test/tools/javac/diags/examples/VerboseResolveMulti.java Normal file
View File

@ -0,0 +1,33 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// key: compiler.misc.applicable.method.found
// key: compiler.note.verbose.resolve.multi
// options: -XDverboseResolution=applicable,success
class VerboseResolveMulti {
void m() {}
{ m(); }
}

35
langtools/test/tools/javac/diags/examples/VerboseResolveMulti1.java Normal file
View File

@ -0,0 +1,35 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// key: compiler.misc.not.applicable.method.found
// key: compiler.note.verbose.resolve.multi.1
// key: compiler.err.cant.apply.symbol.1
// key: compiler.misc.no.conforming.assignment.exists
// options: -XDverboseResolution=inapplicable,failure
class VerboseResolveMulti1 {
void m(int i) {}
{ m(""); }
}

2
langtools/test/tools/javac/javazip/Test.sh
View File

@ -47,7 +47,7 @@ case "$OS" in
;;
CYGWIN* )
FS="/"
SCR=`pwd | cygpath -d`
SCR=`pwd | cygpath -d -f -`
;;
Windows* )
FS="\\"

68
langtools/test/tools/javac/resolve/Candidate.java Normal file
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@ -0,0 +1,68 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.lang.annotation.ElementType;
import java.lang.annotation.Target;
@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})
@interface Candidate {
/**
* the candidate position (line/col of the method call for which this candidate
* is a potential overload candidate)
*/
Pos pos() default @Pos(userDefined=false);
/**
* resolution phases for which this candidate is applicable
*/
Phase[] applicable() default { };
/**
* is this candidate the most specific (in the resolution phases for which it
* is also applicable)
*/
boolean mostSpecific() default false;
/**
* this candidate inferred signature (in the resolution phases for which it
* is also applicable, in case it corresponds to a generic method)
*/
String sig() default "";
}
enum Phase {
BASIC("BASIC"),
BOX("BOX"),
VARARGS("VARARITY");
final String javacString;
private Phase(String javacString) {
this.javacString = javacString;
}
static Phase fromString(String s) {
for (Phase phase : Phase.values()) {
if (phase.javacString.equals(s)) {
return phase;
}
}
throw new AssertionError("Invalid resolution phase string " + s);
}
}

31
langtools/test/tools/javac/resolve/Pos.java Normal file
View File

@ -0,0 +1,31 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.lang.annotation.ElementType;
import java.lang.annotation.Target;
@Target(ElementType.ANNOTATION_TYPE)
@interface Pos {
long line() default -1;
long col() default -1;
boolean userDefined() default true;
}

475
langtools/test/tools/javac/resolve/ResolveHarness.java Normal file
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@ -0,0 +1,475 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 7098660
* @summary Write better overload resolution/inference tests
* @library ../lib
* @build JavacTestingAbstractProcessor ResolveHarness
* @run main ResolveHarness
*/
import com.sun.source.util.JavacTask;
import com.sun.tools.javac.api.ClientCodeWrapper.DiagnosticSourceUnwrapper;
import com.sun.tools.javac.code.Type.MethodType;
import com.sun.tools.javac.util.JCDiagnostic;
import java.io.File;
import java.util.Set;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.tools.Diagnostic;
import javax.tools.Diagnostic.Kind;
import javax.tools.DiagnosticListener;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;
import static javax.tools.StandardLocation.*;
public class ResolveHarness implements javax.tools.DiagnosticListener<JavaFileObject> {
static int nerrors = 0;
static final JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
static final StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
public static void main(String[] args) throws Exception {
fm.setLocation(SOURCE_PATH,
Arrays.asList(new File(System.getProperty("test.src"), "tests")));
for (JavaFileObject jfo : fm.list(SOURCE_PATH, "", Collections.singleton(JavaFileObject.Kind.SOURCE), true)) {
new ResolveHarness(jfo).check();
}
if (nerrors > 0) {
throw new AssertionError("Errors were found");
}
}
JavaFileObject jfo;
DiagnosticProcessor[] diagProcessors;
Map<ElementKey, Candidate> candidatesMap = new HashMap<ElementKey, Candidate>();
Set<String> declaredKeys = new HashSet<>();
List<Diagnostic<? extends JavaFileObject>> diags = new ArrayList<>();
List<ElementKey> seenCandidates = new ArrayList<>();
protected ResolveHarness(JavaFileObject jfo) {
this.jfo = jfo;
this.diagProcessors = new DiagnosticProcessor[] {
new VerboseResolutionNoteProcessor(),
new VerboseDeferredInferenceNoteProcessor(),
new ErrorProcessor()
};
}
protected void check() throws Exception {
String[] options = {
"-XDshouldStopPolicy=ATTR",
"-XDverboseResolution=success,failure,applicable,inapplicable,deferred-inference"
};
AbstractProcessor[] processors = { new ResolveCandidateFinder(), null };
@SuppressWarnings("unchecked")
DiagnosticListener<? super JavaFileObject>[] diagListeners =
new DiagnosticListener[] { new DiagnosticHandler(false), new DiagnosticHandler(true) };
for (int i = 0 ; i < options.length ; i ++) {
JavacTask ct = (JavacTask)comp.getTask(null, fm, diagListeners[i],
Arrays.asList(options[i]), null, Arrays.asList(jfo));
if (processors[i] != null) {
ct.setProcessors(Collections.singleton(processors[i]));
}
ct.analyze();
}
//check diags
for (Diagnostic<? extends JavaFileObject> diag : diags) {
for (DiagnosticProcessor proc : diagProcessors) {
if (proc.matches(diag)) {
proc.process(diag);
break;
}
}
}
//check all candidates have been used up
for (Map.Entry<ElementKey, Candidate> entry : candidatesMap.entrySet()) {
if (!seenCandidates.contains(entry.getKey())) {
error("Redundant @Candidate annotation on method " + entry.getKey().elem);
}
}
}
public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
diags.add(diagnostic);
}
Candidate getCandidateAtPos(Element methodSym, long line, long col) {
Candidate c = candidatesMap.get(new ElementKey(methodSym));
if (c != null) {
Pos pos = c.pos();
if (!pos.userDefined() ||
(pos.line() == line && pos.col() == col)) {
seenCandidates.add(new ElementKey(methodSym));
return c;
}
} else {
error("Missing @Candidate annotation on method " + methodSym);
}
return null;
}
void checkSig(Candidate c, Element methodSym, MethodType mtype) {
if (c.sig().length() > 0 && !c.sig().equals(mtype.toString())) {
error("Inferred type mismatch for method: " + methodSym);
}
}
protected void error(String msg) {
nerrors++;
System.err.printf("Error occurred while checking file: %s\nreason: %s\n", jfo.getName(), msg);
}
/**
* Base class for diagnostic processor. It provides methods for matching and
* processing a given diagnostic object (overridden by subclasses).
*/
abstract class DiagnosticProcessor {
List<String> codes;
Diagnostic.Kind kind;
public DiagnosticProcessor(Kind kind, String... codes) {
this.codes = Arrays.asList(codes);
this.kind = kind;
}
abstract void process(Diagnostic<? extends JavaFileObject> diagnostic);
boolean matches(Diagnostic<? extends JavaFileObject> diagnostic) {
return (codes.isEmpty() || codes.contains(diagnostic.getCode())) &&
diagnostic.getKind() == kind;
}
JCDiagnostic asJCDiagnostic(Diagnostic<? extends JavaFileObject> diagnostic) {
if (diagnostic instanceof JCDiagnostic) {
return (JCDiagnostic)diagnostic;
} else if (diagnostic instanceof DiagnosticSourceUnwrapper) {
return ((DiagnosticSourceUnwrapper)diagnostic).d;
} else {
throw new AssertionError("Cannot convert diagnostic to JCDiagnostic: " + diagnostic.getClass().getName());
}
}
List<JCDiagnostic> subDiagnostics(Diagnostic<? extends JavaFileObject> diagnostic) {
JCDiagnostic diag = asJCDiagnostic(diagnostic);
if (diag instanceof JCDiagnostic.MultilineDiagnostic) {
return ((JCDiagnostic.MultilineDiagnostic)diag).getSubdiagnostics();
} else {
throw new AssertionError("Cannot extract subdiagnostics: " + diag.getClass().getName());
}
}
}
/**
* Processor for verbose resolution notes generated by javac. The processor
* checks that the diagnostic is associated with a method declared by
* a class annotated with the special @TraceResolve marker annotation. If
* that's the case, all subdiagnostics (one for each resolution candidate)
* are checked against the corresponding @Candidate annotations, using
* a VerboseCandidateSubdiagProcessor.
*/
class VerboseResolutionNoteProcessor extends DiagnosticProcessor {
VerboseResolutionNoteProcessor() {
super(Kind.NOTE,
"compiler.note.verbose.resolve.multi",
"compiler.note.verbose.resolve.multi.1");
}
@Override
void process(Diagnostic<? extends JavaFileObject> diagnostic) {
Element siteSym = getSiteSym(diagnostic);
if (siteSym.getAnnotation(TraceResolve.class) == null) {
return;
}
int candidateIdx = 0;
for (JCDiagnostic d : subDiagnostics(diagnostic)) {
boolean isMostSpecific = candidateIdx++ == mostSpecific(diagnostic);
VerboseCandidateSubdiagProcessor subProc =
new VerboseCandidateSubdiagProcessor(isMostSpecific, phase(diagnostic), success(diagnostic));
if (subProc.matches(d)) {
subProc.process(d);
} else {
throw new AssertionError("Bad subdiagnostic: " + d.getCode());
}
}
}
Element getSiteSym(Diagnostic<? extends JavaFileObject> diagnostic) {
return (Element)asJCDiagnostic(diagnostic).getArgs()[1];
}
int mostSpecific(Diagnostic<? extends JavaFileObject> diagnostic) {
return success(diagnostic) ?
(Integer)asJCDiagnostic(diagnostic).getArgs()[2] : -1;
}
boolean success(Diagnostic<? extends JavaFileObject> diagnostic) {
return diagnostic.getCode().equals("compiler.note.verbose.resolve.multi");
}
Phase phase(Diagnostic<? extends JavaFileObject> diagnostic) {
return Phase.fromString(asJCDiagnostic(diagnostic).getArgs()[3].toString());
}
}
/**
* Processor for verbose resolution subdiagnostic notes generated by javac.
* The processor checks that the details of the overload candidate
* match against the info contained in the corresponding @Candidate
* annotation (if any).
*/
class VerboseCandidateSubdiagProcessor extends DiagnosticProcessor {
boolean mostSpecific;
Phase phase;
boolean success;
public VerboseCandidateSubdiagProcessor(boolean mostSpecific, Phase phase, boolean success) {
super(Kind.OTHER,
"compiler.misc.applicable.method.found",
"compiler.misc.applicable.method.found.1",
"compiler.misc.not.applicable.method.found");
this.mostSpecific = mostSpecific;
this.phase = phase;
this.success = success;
}
@Override
void process(Diagnostic<? extends JavaFileObject> diagnostic) {
Element methodSym = methodSym(diagnostic);
Candidate c = getCandidateAtPos(methodSym,
asJCDiagnostic(diagnostic).getLineNumber(),
asJCDiagnostic(diagnostic).getColumnNumber());
if (c == null) {
return; //nothing to check
}
if (c.applicable().length == 0 && c.mostSpecific()) {
error("Inapplicable method cannot be most specific " + methodSym);
}
if (isApplicable(diagnostic) != Arrays.asList(c.applicable()).contains(phase)) {
error("Invalid candidate's applicability " + methodSym);
}
if (success) {
for (Phase p : c.applicable()) {
if (phase.ordinal() < p.ordinal()) {
error("Invalid phase " + p + " on method " + methodSym);
}
}
}
if (Arrays.asList(c.applicable()).contains(phase)) { //applicable
if (c.mostSpecific() != mostSpecific) {
error("Invalid most specific value for method " + methodSym);
}
MethodType mtype = getSig(diagnostic);
if (mtype != null) {
checkSig(c, methodSym, mtype);
}
}
}
boolean isApplicable(Diagnostic<? extends JavaFileObject> diagnostic) {
return !diagnostic.getCode().equals("compiler.misc.not.applicable.method.found");
}
Element methodSym(Diagnostic<? extends JavaFileObject> diagnostic) {
return (Element)asJCDiagnostic(diagnostic).getArgs()[1];
}
MethodType getSig(Diagnostic<? extends JavaFileObject> diagnostic) {
JCDiagnostic details = (JCDiagnostic)asJCDiagnostic(diagnostic).getArgs()[2];
if (details == null) {
return null;
} else if (details instanceof JCDiagnostic) {
return details.getCode().equals("compiler.misc.full.inst.sig") ?
(MethodType)details.getArgs()[0] : null;
} else {
throw new AssertionError("Bad diagnostic arg: " + details);
}
}
}
/**
* Processor for verbose deferred inference notes generated by javac. The
* processor checks that the inferred signature for a given generic method
* call corresponds to the one (if any) declared in the @Candidate annotation.
*/
class VerboseDeferredInferenceNoteProcessor extends DiagnosticProcessor {
public VerboseDeferredInferenceNoteProcessor() {
super(Kind.NOTE, "compiler.note.deferred.method.inst");
}
@Override
void process(Diagnostic<? extends JavaFileObject> diagnostic) {
Element methodSym = methodSym(diagnostic);
Candidate c = getCandidateAtPos(methodSym,
asJCDiagnostic(diagnostic).getLineNumber(),
asJCDiagnostic(diagnostic).getColumnNumber());
MethodType sig = sig(diagnostic);
if (c != null && sig != null) {
checkSig(c, methodSym, sig);
}
}
Element methodSym(Diagnostic<? extends JavaFileObject> diagnostic) {
return (Element)asJCDiagnostic(diagnostic).getArgs()[0];
}
MethodType sig(Diagnostic<? extends JavaFileObject> diagnostic) {
return (MethodType)asJCDiagnostic(diagnostic).getArgs()[1];
}
}
/**
* Processor for all error diagnostics; if the error key is not declared in
* the test file header, the processor reports an error.
*/
class ErrorProcessor extends DiagnosticProcessor {
public ErrorProcessor() {
super(Diagnostic.Kind.ERROR);
}
@Override
void process(Diagnostic<? extends JavaFileObject> diagnostic) {
if (!declaredKeys.contains(diagnostic.getCode())) {
error("Unexpected compilation error key '" + diagnostic.getCode() + "'");
}
}
}
@SupportedAnnotationTypes({"Candidate","TraceResolve"})
class ResolveCandidateFinder extends JavacTestingAbstractProcessor {
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (roundEnv.processingOver())
return true;
TypeElement traceResolveAnno = elements.getTypeElement("TraceResolve");
TypeElement candidateAnno = elements.getTypeElement("Candidate");
if (!annotations.contains(traceResolveAnno)) {
error("no @TraceResolve annotation found in test class");
}
if (!annotations.contains(candidateAnno)) {
error("no @candidate annotation found in test class");
}
for (Element elem: roundEnv.getElementsAnnotatedWith(traceResolveAnno)) {
TraceResolve traceResolve = elem.getAnnotation(TraceResolve.class);
declaredKeys.addAll(Arrays.asList(traceResolve.keys()));
}
for (Element elem: roundEnv.getElementsAnnotatedWith(candidateAnno)) {
candidatesMap.put(new ElementKey(elem), elem.getAnnotation(Candidate.class));
}
return true;
}
}
class ElementKey {
String key;
Element elem;
public ElementKey(Element elem) {
this.elem = elem;
this.key = computeKey(elem);
}
@Override
public boolean equals(Object obj) {
if (obj instanceof ElementKey) {
ElementKey other = (ElementKey)obj;
return other.key.equals(key);
}
return false;
}
@Override
public int hashCode() {
return key.hashCode();
}
String computeKey(Element e) {
StringBuilder buf = new StringBuilder();
while (e != null) {
buf.append(e.toString());
e = e.getEnclosingElement();
}
buf.append(jfo.getName());
return buf.toString();
}
@Override
public String toString() {
return "Key{"+key+"}";
}
}
class DiagnosticHandler implements DiagnosticListener<JavaFileObject> {
boolean shouldRecordDiags;
DiagnosticHandler(boolean shouldRecordDiags) {
this.shouldRecordDiags = shouldRecordDiags;
}
public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
if (shouldRecordDiags)
diags.add(diagnostic);
}
}
}

29
langtools/test/tools/javac/resolve/TraceResolve.java Normal file
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@ -0,0 +1,29 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.lang.annotation.ElementType;
import java.lang.annotation.Target;
@Target(ElementType.TYPE)
@interface TraceResolve {
String[] keys() default {};
}

60
langtools/test/tools/javac/resolve/tests/BoxedReturnTypeInference.java Normal file
View File

@ -0,0 +1,60 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
@TraceResolve
class BoxedReturnTypeInference {
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Byte", mostSpecific=true)
static <B> B m_byte() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Short", mostSpecific=true)
static <S> S m_short() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Integer", mostSpecific=true)
static <I> I m_int() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Long", mostSpecific=true)
static <L> L m_long() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Float", mostSpecific=true)
static <F> F m_float() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Double", mostSpecific=true)
static <D> D m_double() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Character", mostSpecific=true)
static <C> C m_char() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Boolean", mostSpecific=true)
static <Z> Z m_bool() { return null; }
{
Byte b = m_byte();
Short s = m_short();
Integer i = m_int();
Long l = m_long();
Float f = m_float();
Double d = m_double();
Character c= m_char();
Boolean z = m_bool();
}
}

92
langtools/test/tools/javac/resolve/tests/PrimitiveOverReferenceOverInferred.java Normal file
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@ -0,0 +1,92 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
@TraceResolve
class PrimitiveOverReference {
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_byte(byte b) {}
@Candidate
static void m_byte(Byte b) {}
@Candidate
static <B> void m_byte(B b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_short(short s) {}
@Candidate
static void m_short(Short s) {}
@Candidate
static <S> void m_short(S s) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_int(int i) {}
@Candidate
static void m_int(Integer i) {}
@Candidate
static <I> void m_int(I i) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_long(long l) {}
@Candidate
static void m_long(Long l) {}
@Candidate
static <L> void m_long(L l) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_float(float f) {}
@Candidate
static void m_float(Float f) {}
@Candidate
static <F> void m_float(F f) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_double(double d) {}
@Candidate
static void m_double(Double d) {}
@Candidate
static <D> void m_double(D d) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_char(char c) {}
@Candidate
static void m_char(Character c) {}
@Candidate
static <C> void m_char(C c) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_bool(boolean z) {}
@Candidate
static void m_bool(Boolean z) {}
@Candidate
static <Z> void m_bool(Z z) {}
{
m_byte((byte)0);
m_short((short)0);
m_int(0);
m_long(0L);
m_float(0.0f);
m_double(0.0);
m_char('?');
m_bool(false);
}
}

108
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@ -0,0 +1,108 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
@TraceResolve
class PrimitiveOverReference {
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_byte(byte b) {}
@Candidate
static void m_byte(Byte b) {}
@Candidate
static void m_byte(byte... b) {}
@Candidate
static void m_byte(Byte... b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_short(short s) {}
@Candidate
static void m_short(Short s) {}
@Candidate
static void m_short(short... s) {}
@Candidate
static void m_short(Short... s) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_int(int i) {}
@Candidate
static void m_int(Integer i) {}
@Candidate
static void m_int(int... i) {}
@Candidate
static void m_int(Integer... i) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_long(long l) {}
@Candidate
static void m_long(Long l) {}
@Candidate
static void m_long(long... l) {}
@Candidate
static void m_long(Long... l) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_float(float f) {}
@Candidate
static void m_float(Float f) {}
@Candidate
static void m_float(float... f) {}
@Candidate
static void m_float(Float... f) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_double(double d) {}
@Candidate
static void m_double(Double d) {}
@Candidate
static void m_double(double... d) {}
@Candidate
static void m_double(Double... d) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_char(char c) {}
@Candidate
static void m_char(Character c) {}
@Candidate
static void m_char(char... c) {}
@Candidate
static void m_char(Character... c) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_bool(boolean z) {}
@Candidate
static void m_bool(Boolean z) {}
@Candidate
static void m_bool(boolean... z) {}
@Candidate
static void m_bool(Boolean... z) {}
{
m_byte((byte)0);
m_short((short)0);
m_int(0);
m_long(0L);
m_float(0.0f);
m_double(0.0);
m_char('?');
m_bool(false);
}
}

76
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@ -0,0 +1,76 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
@TraceResolve(keys={"compiler.err.ref.ambiguous"})
class PrimitiveOverReferenceVarargsAmbiguous {
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_byte(byte... b) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_byte(Byte... b) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_short(short... s) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_short(Short... s) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_int(int... i) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_int(Integer... i) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_long(long... l) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_long(Long... l) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_float(float... f) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_float(Float... f) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_double(double... d) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_double(Double... d) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_char(char... c) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_char(Character... c) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_bool(boolean... z) {}
@Candidate(applicable=Phase.VARARGS, mostSpecific=false)
static void m_bool(Boolean... z) {}
{
m_byte((byte)0);
m_short((short)0);
m_int(0);
m_long(0L);
m_float(0.0f);
m_double(0.0);
m_char('?');
m_bool(false);
}
}

113
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/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
@TraceResolve
class PrimitiveOverload {
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_byte(byte b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_byte(short b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_byte(int b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_byte(long b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_byte(float b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_byte(double b) {}
@Candidate
static void m_short(byte b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_short(short b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_short(int b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_short(long b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_short(float b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_short(double b) {}
@Candidate
static void m_int(byte b) {}
@Candidate
static void m_int(short b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_int(int b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_int(long b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_int(float b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_int(double b) {}
@Candidate
static void m_long(byte b) {}
@Candidate
static void m_long(short b) {}
@Candidate
static void m_long(int b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_long(long b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_long(float b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_long(double b) {}
@Candidate
static void m_float(byte b) {}
@Candidate
static void m_float(short b) {}
@Candidate
static void m_float(int b) {}
@Candidate
static void m_float(long b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_float(float b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_float(double b) {}
@Candidate
static void m_double(byte b) {}
@Candidate
static void m_double(short b) {}
@Candidate
static void m_double(int b) {}
@Candidate
static void m_double(long b) {}
@Candidate
static void m_double(float b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_double(double b) {}
{
m_byte((byte)0);
m_short((short)0);
m_int(0);
m_long(0L);
m_float(0.0f);
m_double(0.0);
}
}

60
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@ -0,0 +1,60 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
@TraceResolve
class PrimitiveReturnTypeInference {
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Byte", mostSpecific=true)
static <B> B m_byte() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Short", mostSpecific=true)
static <S> S m_short() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Integer", mostSpecific=true)
static <I> I m_int() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Long", mostSpecific=true)
static <L> L m_long() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Float", mostSpecific=true)
static <F> F m_float() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Double", mostSpecific=true)
static <D> D m_double() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Character", mostSpecific=true)
static <C> C m_char() { return null; }
@Candidate(applicable=Phase.BASIC, sig="()java.lang.Boolean", mostSpecific=true)
static <Z> Z m_bool() { return null; }
{
byte b = m_byte();
short s = m_short();
int i = m_int();
long l = m_long();
float f = m_float();
double d = m_double();
char c= m_char();
boolean z = m_bool();
}
}

76
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/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
@TraceResolve
class PrimitiveOverInferred {
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_byte(Byte b) {}
@Candidate(applicable=Phase.BOX, sig="(java.lang.Byte)void")
static <B> void m_byte(B b) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_short(Short s) {}
@Candidate(applicable=Phase.BOX, sig="(java.lang.Short)void")
static <S> void m_short(S s) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_int(Integer i) {}
@Candidate(applicable=Phase.BOX, sig="(java.lang.Integer)void")
static <I> void m_int(I i) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_long(Long l) {}
@Candidate(applicable=Phase.BOX, sig="(java.lang.Long)void")
static <L> void m_long(L l) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_float(Float f) {}
@Candidate(applicable=Phase.BOX, sig="(java.lang.Float)void")
static <F> void m_float(F f) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_double(Double d) {}
@Candidate(applicable=Phase.BOX, sig="(java.lang.Double)void")
static <D> void m_double(D d) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_char(Character c) {}
@Candidate(applicable=Phase.BOX, sig="(java.lang.Character)void")
static <C> void m_char(C c) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_bool(Boolean z) {}
@Candidate(applicable=Phase.BOX, sig="(java.lang.Boolean)void")
static <Z> void m_bool(Z z) {}
{
m_byte((byte)0);
m_short((short)0);
m_int(0);
m_long(0L);
m_float(0.0f);
m_double(0.0);
m_char('?');
m_bool(false);
}
}

93
langtools/test/tools/javac/resolve/tests/ReferenceOverVarargs.java Normal file
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@ -0,0 +1,93 @@
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
@TraceResolve
class ReferenceOverVarargs {
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_byte(Byte b) {}
@Candidate
static void m_byte(byte... b) {}
@Candidate
static void m_byte(Byte... b) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_short(Short s) {}
@Candidate
static void m_short(short... s) {}
@Candidate
static void m_short(Short... s) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_int(Integer i) {}
@Candidate
static void m_int(int... i) {}
@Candidate
static void m_int(Integer... i) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_long(Long l) {}
@Candidate
static void m_long(long... l) {}
@Candidate
static void m_long(Long... l) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_float(Float f) {}
@Candidate
static void m_float(float... f) {}
@Candidate
static void m_float(Float... f) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_double(Double d) {}
@Candidate
static void m_double(double... d) {}
@Candidate
static void m_double(Double... d) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_char(Character c) {}
@Candidate
static void m_char(char... c) {}
@Candidate
static void m_char(Character... c) {}
@Candidate(applicable=Phase.BOX, mostSpecific=true)
static void m_bool(Boolean z) {}
@Candidate
static void m_bool(boolean... z) {}
@Candidate
static void m_bool(Boolean... z) {}
{
m_byte((byte)0);
m_short((short)0);
m_int(0);
m_long(0L);
m_float(0.0f);
m_double(0.0);
m_char('?');
m_bool(false);
}
}

95
langtools/test/tools/javac/resolve/tests/ReferenceOverload.java Normal file
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/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
@TraceResolve
class ReferenceOverload {
static class A {}
static class B extends A {}
static class C extends B {}
static class D extends C {}
static class E extends D {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_A(A a) {}
@Candidate
static void m_A(B a) {}
@Candidate
static void m_A(C a) {}
@Candidate
static void m_A(D a) {}
@Candidate
static void m_A(E a) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_B(A b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_B(B b) {}
@Candidate
static void m_B(C b) {}
@Candidate
static void m_B(D b) {}
@Candidate
static void m_B(E b) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_C(A c) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_C(B c) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_C(C c) {}
@Candidate
static void m_C(D c) {}
@Candidate
static void m_C(E c) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_D(A d) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_D(B d) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_D(C d) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_D(D d) {}
@Candidate
static void m_D(E d) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_E(A e) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_E(B e) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_E(C e) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=false)
static void m_E(D e) {}
@Candidate(applicable=Phase.BASIC, mostSpecific=true)
static void m_E(E e) {}
{
m_A((A)null);
m_B((B)null);
m_C((C)null);
m_D((D)null);
m_E((E)null);
}
}

196
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/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 7096014
* @summary Javac tokens should retain state
*/
import com.sun.source.tree.*;
import com.sun.source.util.*;
import com.sun.tools.javac.tree.JCTree;
import java.net.URI;
import java.util.*;
import javax.tools.*;
public class DocCommentToplevelTest {
enum PackageKind {
HAS_PKG("package pkg;"),
NO_PKG("");
String pkgStr;
PackageKind(String pkgStr) {
this.pkgStr = pkgStr;
}
}
enum ImportKind {
ZERO(""),
ONE("import java.lang.*;"),
TWO("import java.lang.*; import java.util.*;");
String importStr;
ImportKind(String importStr) {
this.importStr = importStr;
}
}
enum ModifierKind {
DEFAULT(""),
PUBLIC("public");
String modStr;
ModifierKind(String modStr) {
this.modStr = modStr;
}
}
enum ToplevelDocKind {
HAS_DOC("/** Toplevel! */"),
NO_DOC("");
String docStr;
ToplevelDocKind(String docStr) {
this.docStr = docStr;
}
}
static int errors;
static int checks;
public static void main(String... args) throws Exception {
//create default shared JavaCompiler - reused across multiple compilations
JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
for (PackageKind pk : PackageKind.values()) {
for (ImportKind ik : ImportKind.values()) {
for (ModifierKind mk1 : ModifierKind.values()) {
for (ModifierKind mk2 : ModifierKind.values()) {
for (ToplevelDocKind tdk : ToplevelDocKind.values()) {
new DocCommentToplevelTest(pk, ik, mk1, mk2, tdk).run(comp, fm);
}
}
}
}
}
if (errors > 0)
throw new AssertionError(errors + " errors found");
System.out.println(checks + " checks were made");
}
PackageKind pk;
ImportKind ik;
ModifierKind mk1;
ModifierKind mk2;
ToplevelDocKind tdk;
JavaSource source;
DocCommentToplevelTest(PackageKind pk, ImportKind ik, ModifierKind mk1, ModifierKind mk2, ToplevelDocKind tdk) {
this.pk = pk;
this.ik = ik;
this.mk1 = mk1;
this.mk2 = mk2;
this.tdk = tdk;
source = new JavaSource();
}
void run(JavaCompiler comp, JavaFileManager fm) throws Exception {
JavacTask task = (JavacTask)comp.getTask(null, fm, null, Arrays.asList("-printsource"), null, Arrays.asList(source));
for (CompilationUnitTree cu: task.parse()) {
check(cu);
}
}
void check(CompilationUnitTree cu) {
checks++;
new TreeScanner<ClassTree,Void>() {
Map<JCTree, String> docComments;
@Override
public ClassTree visitCompilationUnit(CompilationUnitTree node, Void unused) {
docComments = ((JCTree.JCCompilationUnit)node).docComments;
boolean expectedComment = tdk == ToplevelDocKind.HAS_DOC &&
(pk != PackageKind.NO_PKG || ik != ImportKind.ZERO);
boolean foundComment = docComments.get(node) != null;
if (expectedComment != foundComment) {
error("Unexpected comment " + docComments.get(node) + " on toplevel");
}
return super.visitCompilationUnit(node, null);
}
@Override
public ClassTree visitClass(ClassTree node, Void unused) {
boolean expectedComment = tdk == ToplevelDocKind.HAS_DOC &&
pk == PackageKind.NO_PKG && ik == ImportKind.ZERO &&
node.getSimpleName().toString().equals("First");
boolean foundComment = docComments.get(node) != null;
if (expectedComment != foundComment) {
error("Unexpected comment " + docComments.get(node) + " on class " + node.getSimpleName());
}
return super.visitClass(node, unused);
}
}.scan(cu, null);
}
void error(String msg) {
System.err.println("Error: " + msg);
System.err.println("Source: " + source.source);
errors++;
}
class JavaSource extends SimpleJavaFileObject {
String template = "#D\n#P\n#I\n" +
"#M1 class First { }\n" +
"#M2 class Second { }\n";
String source;
public JavaSource() {
super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
source = template.replace("#P", pk.pkgStr)
.replace("#I", ik.importStr)
.replace("#M1", mk1.modStr)
.replace("#M2", mk2.modStr)
.replace("#D", tdk.docStr);
}
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return source;
}
}
}

18
langtools/test/tools/javac/varargs/7097436/T7097436.java Normal file
View File

@ -0,0 +1,18 @@
/*
* @test /nodynamiccopyright/
* @bug 7097436
* @summary ClassCastException occurs in assignment expressions without any heap pollutions
* @compile/fail/ref=T7097436.out -Xlint:varargs -Werror -XDrawDiagnostics T7097436.java
*/
import java.util.List;
class T7097436 {
@SafeVarargs
static void m(List<String>... ls) {
Object o = ls; //warning
Object[] oArr = ls; //warning
String s = ls; // no warning
Integer[] iArr = ls; // no warning
}
}

6
langtools/test/tools/javac/varargs/7097436/T7097436.out Normal file
View File

@ -0,0 +1,6 @@
T7097436.java:13:20: compiler.warn.varargs.unsafe.use.varargs.param: ls
T7097436.java:14:25: compiler.warn.varargs.unsafe.use.varargs.param: ls
T7097436.java:15:20: compiler.err.prob.found.req: (compiler.misc.incompatible.types), java.util.List<java.lang.String>[], java.lang.String
T7097436.java:16:26: compiler.err.prob.found.req: (compiler.misc.incompatible.types), java.util.List<java.lang.String>[], java.lang.Integer[]
2 errors
2 warnings

244
langtools/test/tools/javac/varargs/warning/Warn5.java
View File

@ -23,7 +23,7 @@
/**
* @test
* @bug 6993978
* @bug 6993978 7097436
* @summary Project Coin: Annotation to reduce varargs warnings
* @author mcimadamore
* @run main Warn5
@ -31,8 +31,8 @@
import com.sun.source.util.JavacTask;
import com.sun.tools.javac.api.JavacTool;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.EnumSet;
import javax.tools.Diagnostic;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
@ -95,7 +95,6 @@ public class Warn5 {
METHOD("void m"),
CONSTRUCTOR("Test");
String name;
MethodKind(String name) {
@ -155,7 +154,124 @@ public class Warn5 {
}
}
static class JavaSource extends SimpleJavaFileObject {
enum WarningKind {
UNSAFE_BODY,
UNSAFE_DECL,
MALFORMED_SAFEVARARGS,
REDUNDANT_SAFEVARARGS;
}
// Create a single file manager and reuse it for each compile to save time.
static StandardJavaFileManager fm = JavacTool.create().getStandardFileManager(null, null, null);
public static void main(String... args) throws Exception {
for (SourceLevel sourceLevel : SourceLevel.values()) {
for (XlintOption xlint : XlintOption.values()) {
for (TrustMe trustMe : TrustMe.values()) {
for (SuppressLevel suppressLevel : SuppressLevel.values()) {
for (ModifierKind modKind : ModifierKind.values()) {
for (MethodKind methKind : MethodKind.values()) {
for (SignatureKind sig : SignatureKind.values()) {
for (BodyKind body : BodyKind.values()) {
new Warn5(sourceLevel,
xlint,
trustMe,
suppressLevel,
modKind,
methKind,
sig,
body).test();
}
}
}
}
}
}
}
}
}
final SourceLevel sourceLevel;
final XlintOption xlint;
final TrustMe trustMe;
final SuppressLevel suppressLevel;
final ModifierKind modKind;
final MethodKind methKind;
final SignatureKind sig;
final BodyKind body;
final JavaSource source;
final DiagnosticChecker dc;
public Warn5(SourceLevel sourceLevel, XlintOption xlint, TrustMe trustMe, SuppressLevel suppressLevel, ModifierKind modKind, MethodKind methKind, SignatureKind sig, BodyKind body) {
this.sourceLevel = sourceLevel;
this.xlint = xlint;
this.trustMe = trustMe;
this.suppressLevel = suppressLevel;
this.modKind = modKind;
this.methKind = methKind;
this.sig = sig;
this.body = body;
this.source = new JavaSource();
this.dc = new DiagnosticChecker();
}
void test() throws Exception {
final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
JavacTask ct = (JavacTask)tool.getTask(null, fm, dc,
Arrays.asList(xlint.getXlintOption(), "-source", sourceLevel.sourceKey), null, Arrays.asList(source));
ct.analyze();
check();
}
void check() {
EnumSet<WarningKind> expectedWarnings = EnumSet.noneOf(WarningKind.class);
if (sourceLevel == SourceLevel.JDK_7 &&
trustMe == TrustMe.TRUST &&
suppressLevel != SuppressLevel.VARARGS &&
xlint != XlintOption.NONE &&
sig.isVarargs && !sig.isReifiableArg && body.hasAliasing &&
(methKind == MethodKind.CONSTRUCTOR || (methKind == MethodKind.METHOD && modKind != ModifierKind.NONE))) {
expectedWarnings.add(WarningKind.UNSAFE_BODY);
}
if (sourceLevel == SourceLevel.JDK_7 &&
trustMe == TrustMe.DONT_TRUST &&
sig.isVarargs &&
!sig.isReifiableArg &&
xlint == XlintOption.ALL) {
expectedWarnings.add(WarningKind.UNSAFE_DECL);
}
if (sourceLevel == SourceLevel.JDK_7 &&
trustMe == TrustMe.TRUST &&
(!sig.isVarargs ||
(modKind == ModifierKind.NONE && methKind == MethodKind.METHOD))) {
expectedWarnings.add(WarningKind.MALFORMED_SAFEVARARGS);
}
if (sourceLevel == SourceLevel.JDK_7 &&
trustMe == TrustMe.TRUST &&
xlint != XlintOption.NONE &&
suppressLevel != SuppressLevel.VARARGS &&
(modKind != ModifierKind.NONE || methKind == MethodKind.CONSTRUCTOR) &&
sig.isVarargs &&
sig.isReifiableArg) {
expectedWarnings.add(WarningKind.REDUNDANT_SAFEVARARGS);
}
if (!expectedWarnings.containsAll(dc.warnings) ||
!dc.warnings.containsAll(expectedWarnings)) {
throw new Error("invalid diagnostics for source:\n" +
source.getCharContent(true) +
"\nOptions: " + xlint.getXlintOption() +
"\nExpected warnings: " + expectedWarnings +
"\nFound warnings: " + dc.warnings);
}
}
class JavaSource extends SimpleJavaFileObject {
String template = "import com.sun.tools.javac.api.*;\n" +
"import java.util.List;\n" +
@ -167,12 +283,11 @@ public class Warn5 {
String source;
public JavaSource(TrustMe trustMe, SuppressLevel suppressLevel, ModifierKind modKind,
MethodKind methKind, SignatureKind meth, BodyKind body) {
public JavaSource() {
super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
source = template.replace("#T", trustMe.anno).
replace("#S", suppressLevel.getSuppressAnno()).
replace("#M", meth.getSignature(modKind, methKind)).
replace("#M", sig.getSignature(modKind, methKind)).
replace("#B", body.body);
}
@ -182,117 +297,34 @@ public class Warn5 {
}
}
public static void main(String... args) throws Exception {
for (SourceLevel sourceLevel : SourceLevel.values()) {
for (XlintOption xlint : XlintOption.values()) {
for (TrustMe trustMe : TrustMe.values()) {
for (SuppressLevel suppressLevel : SuppressLevel.values()) {
for (ModifierKind modKind : ModifierKind.values()) {
for (MethodKind methKind : MethodKind.values()) {
for (SignatureKind sig : SignatureKind.values()) {
for (BodyKind body : BodyKind.values()) {
test(sourceLevel,
xlint,
trustMe,
suppressLevel,
modKind,
methKind,
sig,
body);
}
}
}
}
}
}
}
}
}
class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
// Create a single file manager and reuse it for each compile to save time.
static StandardJavaFileManager fm = JavacTool.create().getStandardFileManager(null, null, null);
static void test(SourceLevel sourceLevel, XlintOption xlint, TrustMe trustMe, SuppressLevel suppressLevel,
ModifierKind modKind, MethodKind methKind, SignatureKind sig, BodyKind body) throws Exception {
final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
JavaSource source = new JavaSource(trustMe, suppressLevel, modKind, methKind, sig, body);
DiagnosticChecker dc = new DiagnosticChecker();
JavacTask ct = (JavacTask)tool.getTask(null, fm, dc,
Arrays.asList(xlint.getXlintOption(), "-source", sourceLevel.sourceKey), null, Arrays.asList(source));
ct.analyze();
check(sourceLevel, dc, source, xlint, trustMe,
suppressLevel, modKind, methKind, sig, body);
}
static void check(SourceLevel sourceLevel, DiagnosticChecker dc, JavaSource source,
XlintOption xlint, TrustMe trustMe, SuppressLevel suppressLevel, ModifierKind modKind,
MethodKind methKind, SignatureKind meth, BodyKind body) {
boolean hasPotentiallyUnsafeBody = sourceLevel == SourceLevel.JDK_7 &&
trustMe == TrustMe.TRUST &&
suppressLevel != SuppressLevel.VARARGS &&
xlint != XlintOption.NONE &&
meth.isVarargs && !meth.isReifiableArg && body.hasAliasing &&
(methKind == MethodKind.CONSTRUCTOR || (methKind == MethodKind.METHOD && modKind != ModifierKind.NONE));
boolean hasPotentiallyPollutingDecl = sourceLevel == SourceLevel.JDK_7 &&
trustMe == TrustMe.DONT_TRUST &&
meth.isVarargs &&
!meth.isReifiableArg &&
xlint == XlintOption.ALL;
boolean hasMalformedAnnoInDecl = sourceLevel == SourceLevel.JDK_7 &&
trustMe == TrustMe.TRUST &&
(!meth.isVarargs ||
(modKind == ModifierKind.NONE && methKind == MethodKind.METHOD));
boolean hasRedundantAnnoInDecl = sourceLevel == SourceLevel.JDK_7 &&
trustMe == TrustMe.TRUST &&
xlint != XlintOption.NONE &&
suppressLevel != SuppressLevel.VARARGS &&
(modKind != ModifierKind.NONE || methKind == MethodKind.CONSTRUCTOR) &&
meth.isVarargs &&
meth.isReifiableArg;
if (hasPotentiallyUnsafeBody != dc.hasPotentiallyUnsafeBody ||
hasPotentiallyPollutingDecl != dc.hasPotentiallyPollutingDecl ||
hasMalformedAnnoInDecl != dc.hasMalformedAnnoInDecl ||
hasRedundantAnnoInDecl != dc.hasRedundantAnnoInDecl) {
throw new Error("invalid diagnostics for source:\n" +
source.getCharContent(true) +
"\nOptions: " + xlint.getXlintOption() +
"\nExpected potentially unsafe body warning: " + hasPotentiallyUnsafeBody +
"\nExpected potentially polluting decl warning: " + hasPotentiallyPollutingDecl +
"\nExpected malformed anno error: " + hasMalformedAnnoInDecl +
"\nExpected redundant anno warning: " + hasRedundantAnnoInDecl +
"\nFound potentially unsafe body warning: " + dc.hasPotentiallyUnsafeBody +
"\nFound potentially polluting decl warning: " + dc.hasPotentiallyPollutingDecl +
"\nFound malformed anno error: " + dc.hasMalformedAnnoInDecl +
"\nFound redundant anno warning: " + dc.hasRedundantAnnoInDecl);
}
}
static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
boolean hasPotentiallyUnsafeBody = false;
boolean hasPotentiallyPollutingDecl = false;
boolean hasMalformedAnnoInDecl = false;
boolean hasRedundantAnnoInDecl = false;
EnumSet<WarningKind> warnings = EnumSet.noneOf(WarningKind.class);
public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
if (diagnostic.getKind() == Diagnostic.Kind.WARNING) {
if (diagnostic.getCode().contains("unsafe.use.varargs.param")) {
hasPotentiallyUnsafeBody = true;
setWarning(WarningKind.UNSAFE_BODY);
} else if (diagnostic.getCode().contains("redundant.trustme")) {
hasRedundantAnnoInDecl = true;
setWarning(WarningKind.REDUNDANT_SAFEVARARGS);
}
} else if (diagnostic.getKind() == Diagnostic.Kind.MANDATORY_WARNING &&
diagnostic.getCode().contains("varargs.non.reifiable.type")) {
hasPotentiallyPollutingDecl = true;
setWarning(WarningKind.UNSAFE_DECL);
} else if (diagnostic.getKind() == Diagnostic.Kind.ERROR &&
diagnostic.getCode().contains("invalid.trustme")) {
hasMalformedAnnoInDecl = true;
setWarning(WarningKind.MALFORMED_SAFEVARARGS);
}
}
void setWarning(WarningKind wk) {
if (!warnings.add(wk)) {
throw new AssertionError("Duplicate warning of kind " + wk + " in source:\n" + source);
}
}
boolean hasWarning(WarningKind wk) {
return warnings.contains(wk);
}
}
}