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feat(jdk8): move files to new folder to avoid resources compiled.

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This commit is contained in:
linkerlau
2025-09-07 15:25:52 +08:00
parent 3f0047bf6f
commit 8c35cfb1c0
17415 changed files with 217 additions and 213 deletions
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1372
jdkSrc/jdk8/sun/tools/javac/BatchEnvironment.java Normal file
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313
jdkSrc/jdk8/sun/tools/javac/BatchParser.java Normal file
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/*
* Copyright (c) 1994, 2004, 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 sun.tools.javac;
import sun.tools.java.*;
import sun.tools.tree.*;
import java.io.IOException;
import java.io.InputStream;
import java.util.Vector;
import java.util.Enumeration;
/**
* Batch file parser, this needs more work.
*
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*/
@Deprecated
public
class BatchParser extends Parser {
/**
* The current package
*/
protected Identifier pkg;
/**
* The current imports
*/
protected Imports imports;
/**
* The classes defined in this file
*/
protected Vector classes;
/**
* The current class
*/
protected SourceClass sourceClass;
/**
* The toplevel environment
*/
protected Environment toplevelEnv;
/**
* Create a batch file parser
*/
public BatchParser(Environment env, InputStream in) throws IOException {
super(env, in);
imports = new Imports(env);
classes = new Vector();
toplevelEnv = imports.newEnvironment(env);
}
/**
* Package declaration
*/
public void packageDeclaration(long where, IdentifierToken t) {
Identifier nm = t.getName();
//System.out.println("package " + nm);
if (pkg == null) {
// This code has been changed to pass an IdentifierToken,
// rather than an Identifier, to setCurrentPackage(). Imports
// now needs the location of the token.
pkg = t.getName();
imports.setCurrentPackage(t);
} else {
env.error(where, "package.repeated");
}
}
/**
* Import class
*/
public void importClass(long pos, IdentifierToken t) {
//System.out.println("import class " + t);
imports.addClass(t);
}
/**
* Import package
*/
public void importPackage(long pos, IdentifierToken t) {
//System.out.println("import package " + t);
imports.addPackage(t);
}
/**
* Define class
*/
public ClassDefinition beginClass(long where, String doc, int mod,
IdentifierToken t,
IdentifierToken sup,
IdentifierToken interfaces[]) {
// If this class is nested, the modifier bits set here will
// be copied into the 'SourceMember' object for the inner class
// created during the call to 'makeClassDefinition' below.
// When writing the class file, we will look there for the
// 'untransformed' modifiers. The modifiers in the ClassDefinition
// object will end up as the 'transformed' modifiers. Note that
// there are some bits set here that are not legal class modifiers
// according to the JVMS, e.g., M_PRIVATE and M_STATIC. These are
// masked off while writing the class file, but are preserved in
// the InnerClasses attributes.
if (tracing) toplevelEnv.dtEnter("beginClass: " + sourceClass);
SourceClass outerClass = sourceClass;
if (outerClass == null && pkg != null) {
t = new IdentifierToken(t.getWhere(),
Identifier.lookup(pkg, t.getName()));
}
// The defaults for anonymous and local classes should be documented!
if ((mod & M_ANONYMOUS) != 0) {
mod |= (M_FINAL | M_PRIVATE);
}
if ((mod & M_LOCAL) != 0) {
mod |= M_PRIVATE;
}
// Certain modifiers are implied as follows:
//
// 1. Any interface (nested or not) is implicitly deemed to be abstract,
// whether it is explicitly marked so or not. (Java 1.0.)
// 2. A interface which is a member of a type is implicitly deemed to
// be static, whether it is explicitly marked so or not. (InnerClasses)
// 3a. A type which is a member of an interface is implicitly deemed
// to be public, whether it is explicitly marked so or not. (InnerClasses)
// 3b. A type which is a member of an interface is implicitly deemed
// to be static, whether it is explicitly marked so or not. (InnerClasses)
if ((mod & M_INTERFACE) != 0) {
// Rule 1.
mod |= M_ABSTRACT;
if (outerClass != null) {
// Rule 2.
mod |= M_STATIC;
}
}
if (outerClass != null && outerClass.isInterface()) {
// Rule 3a.
// For interface members, neither 'private' nor 'protected'
// are legal modifiers. We avoid setting M_PUBLIC in some
// cases in order to avoid interfering with error detection
// and reporting. This is patched up, after reporting an
// error, by 'SourceClass.addMember'.
if ((mod & (M_PRIVATE | M_PROTECTED)) == 0)
mod |= M_PUBLIC;
// Rule 3b.
mod |= M_STATIC;
}
// For nested classes, we must transform 'protected' to 'public'
// and 'private' to package scope. This must be done later,
// because any modifiers set here will be copied into the
// 'MemberDefinition' for the nested class, which must represent
// the original untransformed modifiers. Also, compile-time
// checks should be performed against the actual, untransformed
// modifiers. This is in contrast to transformations that implement
// implicit modifiers, such as M_STATIC and M_FINAL for fields
// of interfaces.
sourceClass = (SourceClass)
toplevelEnv.makeClassDefinition(toplevelEnv, where, t,
doc, mod, sup,
interfaces, outerClass);
sourceClass.getClassDeclaration().setDefinition(sourceClass, CS_PARSED);
env = new Environment(toplevelEnv, sourceClass);
if (tracing) toplevelEnv.dtEvent("beginClass: SETTING UP DEPENDENCIES");
// The code which adds artificial dependencies between
// classes in the same source file has been moved to
// BatchEnvironment#parseFile().
if (tracing) toplevelEnv.dtEvent("beginClass: ADDING TO CLASS LIST");
classes.addElement(sourceClass);
if (tracing) toplevelEnv.dtExit("beginClass: " + sourceClass);
return sourceClass;
}
/**
* Report the current class under construction.
*/
public ClassDefinition getCurrentClass() {
return sourceClass;
}
/**
* End class
*/
public void endClass(long where, ClassDefinition c) {
if (tracing) toplevelEnv.dtEnter("endClass: " + sourceClass);
// c == sourceClass; don't bother to check
sourceClass.setEndPosition(where);
SourceClass outerClass = (SourceClass) sourceClass.getOuterClass();
sourceClass = outerClass;
env = toplevelEnv;
if (sourceClass != null)
env = new Environment(env, sourceClass);
if (tracing) toplevelEnv.dtExit("endClass: " + sourceClass);
}
/**
* Define a method
*/
public void defineField(long where, ClassDefinition c,
String doc, int mod, Type t,
IdentifierToken name, IdentifierToken args[],
IdentifierToken exp[], Node val) {
// c == sourceClass; don't bother to check
Identifier nm = name.getName();
// Members that are nested classes are not created with 'defineField',
// so these transformations do not apply to them. See 'beginClass' above.
if (sourceClass.isInterface()) {
// Members of interfaces are implicitly public.
if ((mod & (M_PRIVATE | M_PROTECTED)) == 0)
// For interface members, neither 'private' nor 'protected'
// are legal modifiers. Avoid setting M_PUBLIC in some cases
// to avoid interfering with later error detection. This will
// be fixed up after the error is reported.
mod |= M_PUBLIC;
// Methods of interfaces are implicitly abstract.
// Fields of interfaces are implicitly static and final.
if (t.isType(TC_METHOD)) {
mod |= M_ABSTRACT;
} else {
mod |= M_STATIC | M_FINAL;
}
}
if (nm.equals(idInit)) {
// The parser reports "idInit" when in reality it has found
// that there is no method name at all present.
// So, decide if it's really a constructor, or a syntax error.
Type rt = t.getReturnType();
Identifier retname = !rt.isType(TC_CLASS) ? idStar /*no match*/
: rt.getClassName();
Identifier clsname = sourceClass.getLocalName();
if (clsname.equals(retname)) {
t = Type.tMethod(Type.tVoid, t.getArgumentTypes());
} else if (clsname.equals(retname.getFlatName().getName())) {
// It appears to be a constructor with spurious qualification.
t = Type.tMethod(Type.tVoid, t.getArgumentTypes());
env.error(where, "invalid.method.decl.qual");
} else if (retname.isQualified() || retname.equals(idStar)) {
// It appears to be a type name with no method name.
env.error(where, "invalid.method.decl.name");
return;
} else {
// We assume the type name is missing, even though the
// simple name that's present might have been intended
// to be a type: "String (){}" vs. "toString(){}".
env.error(where, "invalid.method.decl");
return;
}
}
if (args == null && t.isType(TC_METHOD)) {
args = new IdentifierToken[0];
}
if (exp == null && t.isType(TC_METHOD)) {
exp = new IdentifierToken[0];
}
MemberDefinition f = env.makeMemberDefinition(env, where, sourceClass,
doc, mod, t, nm,
args, exp, val);
if (env.dump()) {
f.print(System.out);
}
}
}

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jdkSrc/jdk8/sun/tools/javac/CompilerMember.java Normal file
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/*
* Copyright (c) 1994, 2004, 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 sun.tools.javac;
import sun.tools.java.*;
import sun.tools.asm.Assembler;
/**
* This class is used to represents fields while they are
* being compiled
*
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*/
@Deprecated
final
class CompilerMember implements Comparable {
MemberDefinition field;
Assembler asm;
Object value;
String name;
String sig;
String key;
CompilerMember(MemberDefinition field, Assembler asm) {
this.field = field;
this.asm = asm;
name = field.getName().toString();
sig = field.getType().getTypeSignature();
}
public int compareTo(Object o) {
CompilerMember cm = (CompilerMember) o;
return getKey().compareTo(cm.getKey());
}
String getKey() {
if (key==null)
key = name+sig;
return key;
}
}

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jdkSrc/jdk8/sun/tools/javac/ErrorConsumer.java Normal file
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/*
* Copyright (c) 1996, 2004, 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 sun.tools.javac;
/**
* Allows for easier parsing of errors and warnings from the compiler
*
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*/
@Deprecated
public
interface ErrorConsumer {
public void pushError(String errorFileName,
int line,
String message,
String referenceText, String referenceTextPointer);
};

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jdkSrc/jdk8/sun/tools/javac/ErrorMessage.java Normal file
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/*
* Copyright (c) 1994, 2004, 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 sun.tools.javac;
/**
* A sorted list of error messages
*
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*/
@Deprecated
final
class ErrorMessage {
long where;
String message;
ErrorMessage next;
/**
* Constructor
*/
ErrorMessage(long where, String message) {
this.where = where;
this.message = message;
}
}

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jdkSrc/jdk8/sun/tools/javac/Main.java Normal file
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/*
* Copyright (c) 1994, 2004, 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 sun.tools.javac;
import sun.tools.java.*;
import sun.tools.util.CommandLine;
// JCOV
import sun.tools.asm.Assembler;
// end JCOV
import java.util.*;
import java.io.*;
import java.text.MessageFormat;
/**
* Main program of the Java compiler
*
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*
* @deprecated As of J2SE 1.3, the preferred way to compile Java
* language sources is by using the new compiler,
* com.sun.tools.javac.Main.
*/
@Deprecated
public
class Main implements Constants {
/**
* Name of the program.
*/
String program;
/**
* The stream where error message are printed.
*/
OutputStream out;
/**
* Constructor.
*/
public Main(OutputStream out, String program) {
this.out = out;
this.program = program;
}
/**
* Exit status.
* We introduce a separate integer status variable, and do not alter the
* convention that 'compile' returns a boolean true upon a successful
* compilation with no errors. (JavaTest relies on this.)
*/
public static final int EXIT_OK = 0; // Compilation completed with no errors.
public static final int EXIT_ERROR = 1; // Compilation completed but reported errors.
public static final int EXIT_CMDERR = 2; // Bad command-line arguments and/or switches.
public static final int EXIT_SYSERR = 3; // System error or resource exhaustion.
public static final int EXIT_ABNORMAL = 4; // Compiler terminated abnormally.
private int exitStatus;
public int getExitStatus() {
return exitStatus;
}
public boolean compilationPerformedSuccessfully() {
return exitStatus == EXIT_OK || exitStatus == EXIT_ERROR;
}
public boolean compilationReportedErrors () {
return exitStatus != EXIT_OK;
}
/**
* Output a message.
*/
private void output(String msg) {
PrintStream out =
this.out instanceof PrintStream ? (PrintStream)this.out
: new PrintStream(this.out, true);
out.println(msg);
}
/**
* Top level error message. This method is called when the
* environment could not be set up yet.
*/
private void error(String msg) {
exitStatus = EXIT_CMDERR;
output(getText(msg));
}
private void error(String msg, String arg1) {
exitStatus = EXIT_CMDERR;
output(getText(msg, arg1));
}
private void error(String msg, String arg1, String arg2) {
exitStatus = EXIT_CMDERR;
output(getText(msg, arg1, arg2));
}
/**
* Print usage message and make exit status an error.
* Note: 'javac' invoked without any arguments is considered
* be an error.
*/
public void usage_error() {
error("main.usage", program);
}
private static ResourceBundle messageRB;
/**
* Initialize ResourceBundle
*/
static void initResource() {
try {
messageRB =
ResourceBundle.getBundle("sun.tools.javac.resources.javac");
} catch (MissingResourceException e) {
throw new Error("Fatal: Resource for javac is missing");
}
}
/**
* get and format message string from resource
*/
public static String getText(String key) {
return getText(key, (String)null);
}
public static String getText(String key, int num) {
return getText(key, Integer.toString(num));
}
public static String getText(String key, String fixed) {
return getText(key, fixed, null);
}
public static String getText(String key, String fixed1, String fixed2) {
return getText(key, fixed1, fixed2, null);
}
public static String getText(String key, String fixed1,
String fixed2, String fixed3) {
if (messageRB == null) {
initResource();
}
try {
String message = messageRB.getString(key);
return MessageFormat.format(message, fixed1, fixed2, fixed3);
} catch (MissingResourceException e) {
if (fixed1 == null) fixed1 = "null";
if (fixed2 == null) fixed2 = "null";
if (fixed3 == null) fixed3 = "null";
String message = "JAVAC MESSAGE FILE IS BROKEN: key={0}, arguments={1}, {2}, {3}";
return MessageFormat.format(message, key, fixed1, fixed2, fixed3);
}
}
// What major and minor version numbers to use for the -target flag.
// This should grow every time the minor version number accepted by
// the VM is incremented.
private static final String[] releases = { "1.1", "1.2", "1.3", "1.4" };
private static final short[] majorVersions = { 45, 46, 47, 48 };
private static final short[] minorVersions = { 3, 0, 0, 0 };
/**
* Run the compiler
*/
public synchronized boolean compile(String argv[]) {
String sourcePathArg = null;
String classPathArg = null;
String sysClassPathArg = null;
String extDirsArg = null;
boolean verbosePath = false;
String targetArg = null;
short majorVersion = JAVA_DEFAULT_VERSION;
short minorVersion = JAVA_DEFAULT_MINOR_VERSION;
File destDir = null;
//JCOV
File covFile = null;
String optJcov = "-Xjcov";
String optJcovFile = "-Xjcov:file=";
//end JCOV
int flags = F_WARNINGS | F_DEBUG_LINES | F_DEBUG_SOURCE;
long tm = System.currentTimeMillis();
Vector v = new Vector();
boolean nowrite = false;
String props = null;
String encoding = null;
// These flags are used to make sure conflicting -O and -g
// options aren't given.
String prior_g = null;
String prior_O = null;
exitStatus = EXIT_OK;
// Pre-process command line for @file arguments
try {
argv = CommandLine.parse(argv);
} catch (FileNotFoundException e) {
error("javac.err.cant.read", e.getMessage());
System.exit(1);
} catch (IOException e) {
e.printStackTrace();
System.exit(1);
}
// Parse arguments
for (int i = 0 ; i < argv.length ; i++) {
if (argv[i].equals("-g")) {
if (prior_g!=null && !(prior_g.equals("-g")))
error("main.conflicting.options", prior_g, "-g");
prior_g = "-g";
flags |= F_DEBUG_LINES;
flags |= F_DEBUG_VARS;
flags |= F_DEBUG_SOURCE;
} else if (argv[i].equals("-g:none")) {
if (prior_g!=null && !(prior_g.equals("-g:none")))
error("main.conflicting.options", prior_g, "-g:none");
prior_g = "-g:none";
flags &= ~F_DEBUG_LINES;
flags &= ~F_DEBUG_VARS;
flags &= ~F_DEBUG_SOURCE;
} else if (argv[i].startsWith("-g:")) {
// We choose to have debugging options conflict even
// if they amount to the same thing (for example,
// -g:source,lines and -g:lines,source). However, multiple
// debugging options are allowed if they are textually
// identical.
if (prior_g!=null && !(prior_g.equals(argv[i])))
error("main.conflicting.options", prior_g, argv[i]);
prior_g = argv[i];
String args = argv[i].substring("-g:".length());
flags &= ~F_DEBUG_LINES;
flags &= ~F_DEBUG_VARS;
flags &= ~F_DEBUG_SOURCE;
while (true) {
if (args.startsWith("lines")) {
flags |= F_DEBUG_LINES;
args = args.substring("lines".length());
} else if (args.startsWith("vars")) {
flags |= F_DEBUG_VARS;
args = args.substring("vars".length());
} else if (args.startsWith("source")) {
flags |= F_DEBUG_SOURCE;
args = args.substring("source".length());
} else {
error("main.bad.debug.option",argv[i]);
usage_error();
return false; // Stop processing now
}
if (args.length() == 0) break;
if (args.startsWith(","))
args = args.substring(",".length());
}
} else if (argv[i].equals("-O")) {
// -O is accepted for backward compatibility, but
// is no longer effective. Use the undocumented
// -XO option to get the old behavior.
if (prior_O!=null && !(prior_O.equals("-O")))
error("main.conflicting.options", prior_O, "-O");
prior_O = "-O";
} else if (argv[i].equals("-nowarn")) {
flags &= ~F_WARNINGS;
} else if (argv[i].equals("-deprecation")) {
flags |= F_DEPRECATION;
} else if (argv[i].equals("-verbose")) {
flags |= F_VERBOSE;
} else if (argv[i].equals("-nowrite")) {
nowrite = true;
} else if (argv[i].equals("-classpath")) {
if ((i + 1) < argv.length) {
if (classPathArg!=null) {
error("main.option.already.seen","-classpath");
}
classPathArg = argv[++i];
} else {
error("main.option.requires.argument","-classpath");
usage_error();
return false; // Stop processing now
}
} else if (argv[i].equals("-sourcepath")) {
if ((i + 1) < argv.length) {
if (sourcePathArg != null) {
error("main.option.already.seen","-sourcepath");
}
sourcePathArg = argv[++i];
} else {
error("main.option.requires.argument","-sourcepath");
usage_error();
return false; // Stop processing now
}
} else if (argv[i].equals("-sysclasspath")) {
if ((i + 1) < argv.length) {
if (sysClassPathArg != null) {
error("main.option.already.seen","-sysclasspath");
}
sysClassPathArg = argv[++i];
} else {
error("main.option.requires.argument","-sysclasspath");
usage_error();
return false; // Stop processing now
}
} else if (argv[i].equals("-bootclasspath")) {
if ((i + 1) < argv.length) {
if (sysClassPathArg != null) {
error("main.option.already.seen","-bootclasspath");
}
sysClassPathArg = argv[++i];
} else {
error("main.option.requires.argument","-bootclasspath");
usage_error();
return false; // Stop processing now
}
} else if (argv[i].equals("-extdirs")) {
if ((i + 1) < argv.length) {
if (extDirsArg != null) {
error("main.option.already.seen","-extdirs");
}
extDirsArg = argv[++i];
} else {
error("main.option.requires.argument","-extdirs");
usage_error();
return false; // Stop processing now
}
} else if (argv[i].equals("-encoding")) {
if ((i + 1) < argv.length) {
if (encoding!=null)
error("main.option.already.seen","-encoding");
encoding = argv[++i];
} else {
error("main.option.requires.argument","-encoding");
usage_error();
return false; // Stop processing now
}
} else if (argv[i].equals("-target")) {
if ((i + 1) < argv.length) {
if (targetArg!=null)
error("main.option.already.seen","-target");
targetArg = argv[++i];
int j;
for (j=0; j<releases.length; j++) {
if (releases[j].equals(targetArg)) {
majorVersion = majorVersions[j];
minorVersion = minorVersions[j];
break;
}
}
if (j==releases.length) {
error("main.unknown.release",targetArg);
usage_error();
return false; // Stop processing now
}
} else {
error("main.option.requires.argument","-target");
usage_error();
return false; // Stop processing now
}
} else if (argv[i].equals("-d")) {
if ((i + 1) < argv.length) {
if (destDir!=null)
error("main.option.already.seen","-d");
destDir = new File(argv[++i]);
if (!destDir.exists()) {
error("main.no.such.directory",destDir.getPath());
usage_error();
return false; // Stop processing now
}
} else {
error("main.option.requires.argument","-d");
usage_error();
return false; // Stop processing now
}
// JCOV
} else if (argv[i].equals(optJcov)) {
flags |= F_COVERAGE;
flags &= ~F_OPT;
flags &= ~F_OPT_INTERCLASS;
} else if ((argv[i].startsWith(optJcovFile)) &&
(argv[i].length() > optJcovFile.length())) {
covFile = new File(argv[i].substring(optJcovFile.length()));
flags &= ~F_OPT;
flags &= ~F_OPT_INTERCLASS;
flags |= F_COVERAGE;
flags |= F_COVDATA;
// end JCOV
} else if (argv[i].equals("-XO")) {
// This is what -O used to be. Now undocumented.
if (prior_O!=null && !(prior_O.equals("-XO")))
error("main.conflicting.options", prior_O, "-XO");
prior_O = "-XO";
flags |= F_OPT;
} else if (argv[i].equals("-Xinterclass")) {
if (prior_O!=null && !(prior_O.equals("-Xinterclass")))
error("main.conflicting.options", prior_O, "-Xinterclass");
prior_O = "-Xinterclass";
flags |= F_OPT;
flags |= F_OPT_INTERCLASS;
flags |= F_DEPENDENCIES;
} else if (argv[i].equals("-Xdepend")) {
flags |= F_DEPENDENCIES;
} else if (argv[i].equals("-Xdebug")) {
flags |= F_DUMP;
// Unadvertised option used by JWS. The non-X version should
// be removed, but we'll leave it in until we find out for
// sure that no one still depends on that option syntax.
} else if (argv[i].equals("-xdepend") || argv[i].equals("-Xjws")) {
flags |= F_PRINT_DEPENDENCIES;
// change the default output in this case:
if (out == System.err) {
out = System.out;
}
} else if (argv[i].equals("-Xstrictdefault")) {
// Make strict floating point the default
flags |= F_STRICTDEFAULT;
} else if (argv[i].equals("-Xverbosepath")) {
verbosePath = true;
} else if (argv[i].equals("-Xstdout")) {
out = System.out;
} else if (argv[i].equals("-X")) {
error("main.unsupported.usage");
return false; // Stop processing now
} else if (argv[i].equals("-Xversion1.2")) {
// Inform the compiler that it need not target VMs
// earlier than version 1.2. This option is here
// for testing purposes only. It is deliberately
// kept orthogonal to the -target option in 1.2.0
// for the sake of stability. These options will
// be merged in a future release.
flags |= F_VERSION12;
} else if (argv[i].endsWith(".java")) {
v.addElement(argv[i]);
} else {
error("main.no.such.option",argv[i]);
usage_error();
return false; // Stop processing now
}
}
if (v.size() == 0 || exitStatus == EXIT_CMDERR) {
usage_error();
return false;
}
// Create our Environment.
BatchEnvironment env = BatchEnvironment.create(out,
sourcePathArg,
classPathArg,
sysClassPathArg,
extDirsArg);
if (verbosePath) {
output(getText("main.path.msg",
env.sourcePath.toString(),
env.binaryPath.toString()));
}
env.flags |= flags;
env.majorVersion = majorVersion;
env.minorVersion = minorVersion;
// JCOV
env.covFile = covFile;
// end JCOV
env.setCharacterEncoding(encoding);
// Preload the "out of memory" error string just in case we run
// out of memory during the compile.
String noMemoryErrorString = getText("main.no.memory");
String stackOverflowErrorString = getText("main.stack.overflow");
env.error(0, "warn.class.is.deprecated", "sun.tools.javac.Main");
try {
// Parse all input files
for (Enumeration e = v.elements() ; e.hasMoreElements() ;) {
File file = new File((String)e.nextElement());
try {
env.parseFile(new ClassFile(file));
} catch (FileNotFoundException ee) {
env.error(0, "cant.read", file.getPath());
exitStatus = EXIT_CMDERR;
}
}
// Do a post-read check on all newly-parsed classes,
// after they have all been read.
for (Enumeration e = env.getClasses() ; e.hasMoreElements() ; ) {
ClassDeclaration c = (ClassDeclaration)e.nextElement();
if (c.getStatus() == CS_PARSED) {
if (c.getClassDefinition().isLocal())
continue;
try {
c.getClassDefinition(env);
} catch (ClassNotFound ee) {
}
}
}
// compile all classes that need compilation
ByteArrayOutputStream buf = new ByteArrayOutputStream(4096);
boolean done;
do {
done = true;
env.flushErrors();
for (Enumeration e = env.getClasses() ; e.hasMoreElements() ; ) {
ClassDeclaration c = (ClassDeclaration)e.nextElement();
SourceClass src;
switch (c.getStatus()) {
case CS_UNDEFINED:
if (!env.dependencies()) {
break;
}
// fall through
case CS_SOURCE:
if (tracing)
env.dtEvent("Main.compile (SOURCE): loading, " + c);
done = false;
env.loadDefinition(c);
if (c.getStatus() != CS_PARSED) {
if (tracing)
env.dtEvent("Main.compile (SOURCE): not parsed, " + c);
break;
}
// fall through
case CS_PARSED:
if (c.getClassDefinition().isInsideLocal()) {
// the enclosing block will check this one
if (tracing)
env.dtEvent("Main.compile (PARSED): skipping local class, " + c);
continue;
}
done = false;
if (tracing) env.dtEvent("Main.compile (PARSED): checking, " + c);
src = (SourceClass)c.getClassDefinition(env);
src.check(env);
c.setDefinition(src, CS_CHECKED);
// fall through
case CS_CHECKED:
src = (SourceClass)c.getClassDefinition(env);
// bail out if there were any errors
if (src.getError()) {
if (tracing)
env.dtEvent("Main.compile (CHECKED): bailing out on error, " + c);
c.setDefinition(src, CS_COMPILED);
break;
}
done = false;
buf.reset();
if (tracing)
env.dtEvent("Main.compile (CHECKED): compiling, " + c);
src.compile(buf);
c.setDefinition(src, CS_COMPILED);
src.cleanup(env);
if (src.getNestError() || nowrite) {
continue;
}
String pkgName = c.getName().getQualifier().toString().replace('.', File.separatorChar);
String className = c.getName().getFlatName().toString().replace('.', SIGC_INNERCLASS) + ".class";
File file;
if (destDir != null) {
if (pkgName.length() > 0) {
file = new File(destDir, pkgName);
if (!file.exists()) {
file.mkdirs();
}
file = new File(file, className);
} else {
file = new File(destDir, className);
}
} else {
ClassFile classfile = (ClassFile)src.getSource();
if (classfile.isZipped()) {
env.error(0, "cant.write", classfile.getPath());
exitStatus = EXIT_CMDERR;
continue;
}
file = new File(classfile.getPath());
file = new File(file.getParent(), className);
}
// Create the file
try {
FileOutputStream out = new FileOutputStream(file.getPath());
buf.writeTo(out);
out.close();
if (env.verbose()) {
output(getText("main.wrote", file.getPath()));
}
} catch (IOException ee) {
env.error(0, "cant.write", file.getPath());
exitStatus = EXIT_CMDERR;
}
// Print class dependencies if requested (-xdepend)
if (env.print_dependencies()) {
src.printClassDependencies(env);
}
}
}
} while (!done);
} catch (OutOfMemoryError ee) {
// The compiler has run out of memory. Use the error string
// which we preloaded.
env.output(noMemoryErrorString);
exitStatus = EXIT_SYSERR;
return false;
} catch (StackOverflowError ee) {
env.output(stackOverflowErrorString);
exitStatus = EXIT_SYSERR;
return false;
} catch (Error ee) {
// We allow the compiler to take an exception silently if a program
// error has previously been detected. Presumably, this makes the
// compiler more robust in the face of bad error recovery.
if (env.nerrors == 0 || env.dump()) {
ee.printStackTrace();
env.error(0, "fatal.error");
exitStatus = EXIT_ABNORMAL;
}
} catch (Exception ee) {
if (env.nerrors == 0 || env.dump()) {
ee.printStackTrace();
env.error(0, "fatal.exception");
exitStatus = EXIT_ABNORMAL;
}
}
int ndepfiles = env.deprecationFiles.size();
if (ndepfiles > 0 && env.warnings()) {
int ndeps = env.ndeprecations;
Object file1 = env.deprecationFiles.elementAt(0);
if (env.deprecation()) {
if (ndepfiles > 1) {
env.error(0, "warn.note.deprecations",
new Integer(ndepfiles), new Integer(ndeps));
} else {
env.error(0, "warn.note.1deprecation",
file1, new Integer(ndeps));
}
} else {
if (ndepfiles > 1) {
env.error(0, "warn.note.deprecations.silent",
new Integer(ndepfiles), new Integer(ndeps));
} else {
env.error(0, "warn.note.1deprecation.silent",
file1, new Integer(ndeps));
}
}
}
env.flushErrors();
env.shutdown();
boolean status = true;
if (env.nerrors > 0) {
String msg = "";
if (env.nerrors > 1) {
msg = getText("main.errors", env.nerrors);
} else {
msg = getText("main.1error");
}
if (env.nwarnings > 0) {
if (env.nwarnings > 1) {
msg += ", " + getText("main.warnings", env.nwarnings);
} else {
msg += ", " + getText("main.1warning");
}
}
output(msg);
if (exitStatus == EXIT_OK) {
// Allow EXIT_CMDERR or EXIT_ABNORMAL to take precedence.
exitStatus = EXIT_ERROR;
}
status = false;
} else {
if (env.nwarnings > 0) {
if (env.nwarnings > 1) {
output(getText("main.warnings", env.nwarnings));
} else {
output(getText("main.1warning"));
}
}
}
//JCOV
if (env.covdata()) {
Assembler CovAsm = new Assembler();
CovAsm.GenJCov(env);
}
// end JCOV
// We're done
if (env.verbose()) {
tm = System.currentTimeMillis() - tm;
output(getText("main.done_in", Long.toString(tm)));
}
return status;
}
/**
* Main program
*/
public static void main(String argv[]) {
OutputStream out = System.err;
// This is superceeded by the -Xstdout option, but we leave
// in the old property check for compatibility.
if (Boolean.getBoolean("javac.pipe.output")) {
out = System.out;
}
Main compiler = new Main(out, "javac");
System.exit(compiler.compile(argv) ? 0 : compiler.exitStatus);
}
}

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jdkSrc/jdk8/sun/tools/javac/SourceClass.java Normal file
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907
jdkSrc/jdk8/sun/tools/javac/SourceMember.java Normal file
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@@ -0,0 +1,907 @@
/*
* Copyright (c) 1994, 2004, 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 sun.tools.javac;
import sun.tools.java.*;
import sun.tools.tree.*;
import sun.tools.asm.*;
import java.util.Vector;
import java.util.Enumeration;
import java.util.Hashtable;
import java.io.PrintStream;
/**
* A Source Member
*
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*/
@Deprecated
public
class SourceMember extends MemberDefinition implements Constants {
/**
* The argument names (if it is a method)
*/
Vector args;
// set to the MemberDefinition in the interface if we have this field because
// it has been forced on us
MemberDefinition abstractSource;
/**
* The status of the field
*/
int status;
static final int PARSED = 0;
static final int CHECKING = 1;
static final int CHECKED = 2;
static final int INLINING = 3;
static final int INLINED = 4;
static final int ERROR = 5;
public Vector getArguments() {
return args;
}
/**
* Constructor
* @param argNames a vector of IdentifierToken
*/
public SourceMember(long where, ClassDefinition clazz,
String doc, int modifiers, Type type,
Identifier name, Vector argNames,
IdentifierToken exp[], Node value) {
super(where, clazz, modifiers, type, name, exp, value);
this.documentation = doc;
this.args = argNames; // for the moment
// not until type names are resolved: createArgumentFields(argNames);
if (ClassDefinition.containsDeprecated(documentation)) {
this.modifiers |= M_DEPRECATED;
}
}
void createArgumentFields(Vector argNames) {
// Create a list of arguments
if (isMethod()) {
args = new Vector();
if (isConstructor() || !(isStatic() || isInitializer())) {
args.addElement(((SourceClass)clazz).getThisArgument());
}
if (argNames != null) {
Enumeration e = argNames.elements();
Type argTypes[] = getType().getArgumentTypes();
for (int i = 0 ; i < argTypes.length ; i++) {
Object x = e.nextElement();
if (x instanceof LocalMember) {
// This should not happen, but it does
// in cases of vicious cyclic inheritance.
args = argNames;
return;
}
Identifier id;
int mod;
long where;
if (x instanceof Identifier) {
// allow argNames to be simple Identifiers (deprecated!)
id = (Identifier)x;
mod = 0;
where = getWhere();
} else {
IdentifierToken token = (IdentifierToken)x;
id = token.getName();
mod = token.getModifiers();
where = token.getWhere();
}
args.addElement(new LocalMember(where, clazz, mod,
argTypes[i], id));
}
}
}
}
// The methods addOuterThis() and addUplevelArguments() were
// both originally part of a single method called addUplevelArguments()
// which took a single boolean parameter describing which of the
// two behaviors it wanted.
//
// The original addUplevelArguments() claimed to keep the arguments in
// the following order:
//
// (1) <this> <early outer this> <uplevel arguments...> <true arguments...>
//
// (By <early outer this> I am referring to the clientOuterField added
// to some constructors when they are created. If an outer this is
// added later, on demand, then this is mixed in with the rest of the
// uplevel arguments and is added by addUplevelArguments.)
//
// In reality, the `args' Vector was generated in this order, but the
// Type array `argTypes' was generated as:
//
// (2) <this> <uplevel arguments...> <early outer this> <true arguments...>
//
// This didn't make a difference in the common case -- that is, when
// a class had an <outer.this> or <uplevel arguments...> but not both.
// Both can happen in the case that a member class is declared inside
// of a local class. It seems that the calling sequences, generated
// in places like NewInstanceExpression.codeCommon(), use order (2),
// so I have changed the code below to stick with that order. Since
// the only time this happens is in classes which are insideLocal, no
// one should be able to tell the difference between these orders.
// (bug number 4085633)
LocalMember outerThisArg = null;
/**
* Get outer instance link, or null if none.
*/
public LocalMember getOuterThisArg() {
return outerThisArg;
}
/**
* Add the outer.this argument to the list of arguments for this
* constructor. This is called from resolveTypeStructure. Any
* additional uplevel arguments get added later by addUplevelArguments().
*/
void addOuterThis() {
UplevelReference refs = clazz.getReferences();
// See if we have a client outer field.
while (refs != null &&
!refs.isClientOuterField()) {
refs = refs.getNext();
}
// There is no outer this argument. Quit.
if (refs == null) {
return;
}
// Get the old arg types.
Type oldArgTypes[] = type.getArgumentTypes();
// And make an array for the new ones with space for one more.
Type argTypes[] = new Type[oldArgTypes.length + 1];
LocalMember arg = refs.getLocalArgument();
outerThisArg = arg;
// args is our list of arguments. It contains a `this', so
// we insert at position 1. The list of types does not have a
// this, so we insert at position 0.
args.insertElementAt(arg, 1);
argTypes[0] = arg.getType();
// Add on the rest of the constructor arguments.
for (int i = 0; i < oldArgTypes.length; i++) {
argTypes[i + 1] = oldArgTypes[i];
}
type = Type.tMethod(type.getReturnType(), argTypes);
}
/**
* Prepend argument names and argument types for local variable references.
* This information is never seen by the type-check phase,
* but it affects code generation, which is the earliest moment
* we have comprehensive information on uplevel references.
* The code() methods tweaks the constructor calls, prepending
* the proper values to the argument list.
*/
void addUplevelArguments() {
UplevelReference refs = clazz.getReferences();
clazz.getReferencesFrozen();
// Count how many uplevels we have to add.
int count = 0;
for (UplevelReference r = refs; r != null; r = r.getNext()) {
if (!r.isClientOuterField()) {
count += 1;
}
}
if (count == 0) {
// None to add, quit.
return;
}
// Get the old argument types.
Type oldArgTypes[] = type.getArgumentTypes();
// Make an array with enough room for the new.
Type argTypes[] = new Type[oldArgTypes.length + count];
// Add all of the late uplevel references to args and argTypes.
// Note that they are `off-by-one' because of the `this'.
int ins = 0;
for (UplevelReference r = refs; r != null; r = r.getNext()) {
if (!r.isClientOuterField()) {
LocalMember arg = r.getLocalArgument();
args.insertElementAt(arg, 1 + ins);
argTypes[ins] = arg.getType();
ins++;
}
}
// Add the rest of the old arguments.
for (int i = 0; i < oldArgTypes.length; i++) {
argTypes[ins + i] = oldArgTypes[i];
}
type = Type.tMethod(type.getReturnType(), argTypes);
}
/**
* Constructor for an inner class.
*/
public SourceMember(ClassDefinition innerClass) {
super(innerClass);
}
/**
* Constructor.
* Used only to generate an abstract copy of a method that a class
* inherits from an interface
*/
public SourceMember(MemberDefinition f, ClassDefinition c, Environment env) {
this(f.getWhere(), c, f.getDocumentation(),
f.getModifiers() | M_ABSTRACT, f.getType(), f.getName(), null,
f.getExceptionIds(), null);
this.args = f.getArguments();
this.abstractSource = f;
this.exp = f.getExceptions(env);
}
/**
* Get exceptions
*/
public ClassDeclaration[] getExceptions(Environment env) {
if ((!isMethod()) || (exp != null)) {
return exp;
}
if (expIds == null) {
// (should not happen)
exp = new ClassDeclaration[0];
return exp;
}
// be sure to get the imports right:
env = ((SourceClass)getClassDefinition()).setupEnv(env);
exp = new ClassDeclaration[expIds.length];
for (int i = 0; i < exp.length; i++) {
Identifier e = expIds[i].getName();
Identifier rexp = getClassDefinition().resolveName(env, e);
exp[i] = env.getClassDeclaration(rexp);
}
return exp;
}
/**
* Set array of name-resolved exceptions directly, e.g., for access methods.
*/
public void setExceptions(ClassDeclaration[] exp) {
this.exp = exp;
}
/**
* Resolve types in a field, after parsing.
* @see ClassDefinition.resolveTypeStructure
*/
public boolean resolved = false;
public void resolveTypeStructure(Environment env) {
if (tracing) env.dtEnter("SourceMember.resolveTypeStructure: " + this);
// A member should only be resolved once. For a constructor, it is imperative
// that 'addOuterThis' be called only once, else the outer instance argument may
// be inserted into the argument list multiple times.
if (resolved) {
if (tracing) env.dtEvent("SourceMember.resolveTypeStructure: OK " + this);
// This case shouldn't be happening. It is the responsibility
// of our callers to avoid attempting multiple resolutions of a member.
// *** REMOVE FOR SHIPMENT? ***
throw new CompilerError("multiple member type resolution");
//return;
} else {
if (tracing) env.dtEvent("SourceMember.resolveTypeStructure: RESOLVING " + this);
resolved = true;
}
super.resolveTypeStructure(env);
if (isInnerClass()) {
ClassDefinition nc = getInnerClass();
if (nc instanceof SourceClass && !nc.isLocal()) {
((SourceClass)nc).resolveTypeStructure(env);
}
type = innerClass.getType();
} else {
// Expand all class names in 'type', including those that are not
// fully-qualified or refer to inner classes, into fully-qualified
// names. Local and anonymous classes get synthesized names here,
// corresponding to the class files that will be generated. This is
// currently the only place where 'resolveNames' is used.
type = env.resolveNames(getClassDefinition(), type, isSynthetic());
// do the throws also:
getExceptions(env);
if (isMethod()) {
Vector argNames = args; args = null;
createArgumentFields(argNames);
// Add outer instance argument for constructors.
if (isConstructor()) {
addOuterThis();
}
}
}
if (tracing) env.dtExit("SourceMember.resolveTypeStructure: " + this);
}
/**
* Get the class declaration in which the field is actually defined
*/
public ClassDeclaration getDefiningClassDeclaration() {
if (abstractSource == null)
return super.getDefiningClassDeclaration();
else
return abstractSource.getDefiningClassDeclaration();
}
/**
* A source field never reports deprecation, since the compiler
* allows access to deprecated features that are being compiled
* in the same job.
*/
public boolean reportDeprecated(Environment env) {
return false;
}
/**
* Check this field.
* <p>
* This is the method which requests checking.
* The real work is done by
* <tt>Vset check(Environment, Context, Vset)</tt>.
*/
public void check(Environment env) throws ClassNotFound {
if (tracing) env.dtEnter("SourceMember.check: " +
getName() + ", status = " + status);
// rely on the class to check all fields in the proper order
if (status == PARSED) {
if (isSynthetic() && getValue() == null) {
// break a big cycle for small synthetic variables
status = CHECKED;
if (tracing)
env.dtExit("SourceMember.check: BREAKING CYCLE");
return;
}
if (tracing) env.dtEvent("SourceMember.check: CHECKING CLASS");
clazz.check(env);
if (status == PARSED) {
if (getClassDefinition().getError()) {
status = ERROR;
} else {
if (tracing)
env.dtExit("SourceMember.check: CHECK FAILED");
throw new CompilerError("check failed");
}
}
}
if (tracing) env.dtExit("SourceMember.check: DONE " +
getName() + ", status = " + status);
}
/**
* Check a field.
* @param vset tells which uplevel variables are definitely assigned
* The vset is also used to track the initialization of blank finals
* by whichever fields which are relevant to them.
*/
public Vset check(Environment env, Context ctx, Vset vset) throws ClassNotFound {
if (tracing) env.dtEvent("SourceMember.check: MEMBER " +
getName() + ", status = " + status);
if (status == PARSED) {
if (isInnerClass()) {
// some classes are checked separately
ClassDefinition nc = getInnerClass();
if (nc instanceof SourceClass && !nc.isLocal()
&& nc.isInsideLocal()) {
status = CHECKING;
vset = ((SourceClass)nc).checkInsideClass(env, ctx, vset);
}
status = CHECKED;
return vset;
}
if (env.dump()) {
System.out.println("[check field " + getClassDeclaration().getName() + "." + getName() + "]");
if (getValue() != null) {
getValue().print(System.out);
System.out.println();
}
}
env = new Environment(env, this);
// This is where all checking of names appearing within the type
// of the member is done. Includes return type and argument types.
// Since only one location ('where') for error messages is provided,
// localization of errors is poor. Throws clauses are handled below.
env.resolve(where, getClassDefinition(), getType());
// Make sure that all the classes that we claim to throw really
// are subclasses of Throwable, and are classes that we can reach
if (isMethod()) {
ClassDeclaration throwable =
env.getClassDeclaration(idJavaLangThrowable);
ClassDeclaration exp[] = getExceptions(env);
for (int i = 0 ; i < exp.length ; i++) {
ClassDefinition def;
long where = getWhere();
if (expIds != null && i < expIds.length) {
where = IdentifierToken.getWhere(expIds[i], where);
}
try {
def = exp[i].getClassDefinition(env);
// Validate access for all inner-class components
// of a qualified name, not just the last one, which
// is checked below. Yes, this is a dirty hack...
// Part of fix for 4094658.
env.resolveByName(where, getClassDefinition(), def.getName());
} catch (ClassNotFound e) {
env.error(where, "class.not.found", e.name, "throws");
break;
}
def.noteUsedBy(getClassDefinition(), where, env);
if (!getClassDefinition().
canAccess(env, def.getClassDeclaration())) {
env.error(where, "cant.access.class", def);
} else if (!def.subClassOf(env, throwable)) {
env.error(where, "throws.not.throwable", def);
}
}
}
status = CHECKING;
if (isMethod() && args != null) {
int length = args.size();
outer_loop:
for (int i = 0; i < length; i++) {
LocalMember lf = (LocalMember)(args.elementAt(i));
Identifier name_i = lf.getName();
for (int j = i + 1; j < length; j++) {
LocalMember lf2 = (LocalMember)(args.elementAt(j));
Identifier name_j = lf2.getName();
if (name_i.equals(name_j)) {
env.error(lf2.getWhere(), "duplicate.argument",
name_i);
break outer_loop;
}
}
}
}
if (getValue() != null) {
ctx = new Context(ctx, this);
if (isMethod()) {
Statement s = (Statement)getValue();
// initialize vset, indication that each of the arguments
// to the function has a value
for (Enumeration e = args.elements(); e.hasMoreElements();){
LocalMember f = (LocalMember)e.nextElement();
vset.addVar(ctx.declare(env, f));
}
if (isConstructor()) {
// Undefine "this" in some constructors, until after
// the super constructor has been called.
vset.clearVar(ctx.getThisNumber());
// If the first thing in the definition isn't a call
// to either super() or this(), then insert one.
Expression supCall = s.firstConstructor();
if ((supCall == null)
&& (getClassDefinition().getSuperClass() != null)) {
supCall = getDefaultSuperCall(env);
Statement scs = new ExpressionStatement(where,
supCall);
s = Statement.insertStatement(scs, s);
setValue(s);
}
}
//System.out.println("VSET = " + vset);
ClassDeclaration exp[] = getExceptions(env);
int htsize = (exp.length > 3) ? 17 : 7;
Hashtable thrown = new Hashtable(htsize);
vset = s.checkMethod(env, ctx, vset, thrown);
ClassDeclaration ignore1 =
env.getClassDeclaration(idJavaLangError);
ClassDeclaration ignore2 =
env.getClassDeclaration(idJavaLangRuntimeException);
for (Enumeration e = thrown.keys(); e.hasMoreElements();) {
ClassDeclaration c = (ClassDeclaration)e.nextElement();
ClassDefinition def = c.getClassDefinition(env);
if (def.subClassOf(env, ignore1)
|| def.subClassOf(env, ignore2)) {
continue;
}
boolean ok = false;
if (!isInitializer()) {
for (int i = 0 ; i < exp.length ; i++) {
if (def.subClassOf(env, exp[i])) {
ok = true;
}
}
}
if (!ok) {
Node n = (Node)thrown.get(c);
long where = n.getWhere();
String errorMsg;
if (isConstructor()) {
if (where ==
getClassDefinition().getWhere()) {
// If this message is being generated for
// a default constructor, we should give
// a different error message. Currently
// we check for this by seeing if the
// constructor has the same "where" as
// its class. This is a bit kludgy, but
// works. (bug id 4034836)
errorMsg = "def.constructor.exception";
} else {
// Constructor with uncaught exception.
errorMsg = "constructor.exception";
}
} else if (isInitializer()) {
// Initializer with uncaught exception.
errorMsg = "initializer.exception";
} else {
// Method with uncaught exception.
errorMsg = "uncaught.exception";
}
env.error(where, errorMsg, c.getName());
}
}
} else {
Hashtable thrown = new Hashtable(3); // small & throw-away
Expression val = (Expression)getValue();
vset = val.checkInitializer(env, ctx, vset,
getType(), thrown);
setValue(val.convert(env, ctx, getType(), val));
// Complain about static final members of inner classes that
// do not have an initializer that is a constant expression.
// In general, static members are not permitted for inner
// classes, but an exception is made for named constants.
// Other cases of static members, including non-final ones,
// are handled in 'SourceClass'. Part of fix for 4095568.
if (isStatic() && isFinal() && !clazz.isTopLevel()) {
if (!((Expression)getValue()).isConstant()) {
env.error(where, "static.inner.field", getName(), this);
setValue(null);
}
}
// Both RuntimeExceptions and Errors should be
// allowed in initializers. Fix for bug 4102541.
ClassDeclaration except =
env.getClassDeclaration(idJavaLangThrowable);
ClassDeclaration ignore1 =
env.getClassDeclaration(idJavaLangError);
ClassDeclaration ignore2 =
env.getClassDeclaration(idJavaLangRuntimeException);
for (Enumeration e = thrown.keys(); e.hasMoreElements(); ) {
ClassDeclaration c = (ClassDeclaration)e.nextElement();
ClassDefinition def = c.getClassDefinition(env);
if (!def.subClassOf(env, ignore1)
&& !def.subClassOf(env, ignore2)
&& def.subClassOf(env, except)) {
Node n = (Node)thrown.get(c);
env.error(n.getWhere(),
"initializer.exception", c.getName());
}
}
}
if (env.dump()) {
getValue().print(System.out);
System.out.println();
}
}
status = getClassDefinition().getError() ? ERROR : CHECKED;
}
// Initializers (static and instance) must be able to complete normally.
if (isInitializer() && vset.isDeadEnd()) {
env.error(where, "init.no.normal.completion");
vset = vset.clearDeadEnd();
}
return vset;
}
// helper to check(): synthesize a missing super() call
private Expression getDefaultSuperCall(Environment env) {
Expression se = null;
ClassDefinition sclass = getClassDefinition().getSuperClass().getClassDefinition();
// does the superclass constructor require an enclosing instance?
ClassDefinition reqc = (sclass == null) ? null
: sclass.isTopLevel() ? null
: sclass.getOuterClass();
ClassDefinition thisc = getClassDefinition();
if (reqc != null && !Context.outerLinkExists(env, reqc, thisc)) {
se = new SuperExpression(where, new NullExpression(where));
env.error(where, "no.default.outer.arg", reqc, getClassDefinition());
}
if (se == null) {
se = new SuperExpression(where);
}
return new MethodExpression(where, se, idInit, new Expression[0]);
}
/**
* Inline the field
*/
void inline(Environment env) throws ClassNotFound {
switch (status) {
case PARSED:
check(env);
inline(env);
break;
case CHECKED:
if (env.dump()) {
System.out.println("[inline field " + getClassDeclaration().getName() + "." + getName() + "]");
}
status = INLINING;
env = new Environment(env, this);
if (isMethod()) {
if ((!isNative()) && (!isAbstract())) {
Statement s = (Statement)getValue();
Context ctx = new Context((Context)null, this);
for (Enumeration e = args.elements() ; e.hasMoreElements() ;) {
LocalMember local = (LocalMember)e.nextElement();
ctx.declare(env, local);
}
setValue(s.inline(env, ctx));
}
} else if (isInnerClass()) {
// some classes are checked and inlined separately
ClassDefinition nc = getInnerClass();
if (nc instanceof SourceClass && !nc.isLocal()
&& nc.isInsideLocal()) {
status = INLINING;
((SourceClass)nc).inlineLocalClass(env);
}
status = INLINED;
break;
} else {
if (getValue() != null) {
Context ctx = new Context((Context)null, this);
if (!isStatic()) {
// Cf. "thisArg" in SourceClass.checkMembers().
Context ctxInst = new Context(ctx, this);
LocalMember thisArg =
((SourceClass)clazz).getThisArgument();
ctxInst.declare(env, thisArg);
setValue(((Expression)getValue())
.inlineValue(env, ctxInst));
} else {
setValue(((Expression)getValue())
.inlineValue(env, ctx));
}
}
}
if (env.dump()) {
System.out.println("[inlined field " + getClassDeclaration().getName() + "." + getName() + "]");
if (getValue() != null) {
getValue().print(System.out);
System.out.println();
} else {
System.out.println("<empty>");
}
}
status = INLINED;
break;
}
}
/**
* Get the value of the field (or null if the value can't be determined)
*/
public Node getValue(Environment env) throws ClassNotFound {
Node value = getValue();
if (value != null && status != INLINED) {
// be sure to get the imports right:
env = ((SourceClass)clazz).setupEnv(env);
inline(env);
value = (status == INLINED) ? getValue() : null;
}
return value;
}
public boolean isInlineable(Environment env, boolean fromFinal) throws ClassNotFound {
if (super.isInlineable(env, fromFinal)) {
getValue(env);
return (status == INLINED) && !getClassDefinition().getError();
}
return false;
}
/**
* Get the initial value of the field
*/
public Object getInitialValue() {
if (isMethod() || (getValue() == null) || (!isFinal()) || (status != INLINED)) {
return null;
}
return ((Expression)getValue()).getValue();
}
/**
* Generate code
*/
public void code(Environment env, Assembler asm) throws ClassNotFound {
switch (status) {
case PARSED:
check(env);
code(env, asm);
return;
case CHECKED:
inline(env);
code(env, asm);
return;
case INLINED:
// Actually generate code
if (env.dump()) {
System.out.println("[code field " + getClassDeclaration().getName() + "." + getName() + "]");
}
if (isMethod() && (!isNative()) && (!isAbstract())) {
env = new Environment(env, this);
Context ctx = new Context((Context)null, this);
Statement s = (Statement)getValue();
for (Enumeration e = args.elements() ; e.hasMoreElements() ; ) {
LocalMember f = (LocalMember)e.nextElement();
ctx.declare(env, f);
//ctx.declare(env, (LocalMember)e.nextElement());
}
/*
if (isConstructor() && ((s == null) || (s.firstConstructor() == null))) {
ClassDeclaration c = getClassDefinition().getSuperClass();
if (c != null) {
MemberDefinition field = c.getClassDefinition(env).matchMethod(env, getClassDefinition(), idInit);
asm.add(getWhere(), opc_aload, new Integer(0));
asm.add(getWhere(), opc_invokespecial, field);
asm.add(getWhere(), opc_pop);
}
// Output initialization code
for (MemberDefinition f = getClassDefinition().getFirstMember() ; f != null ; f = f.getNextMember()) {
if (!f.isStatic()) {
f.codeInit(env, ctx, asm);
}
}
}
*/
if (s != null) {
s.code(env, ctx, asm);
}
if (getType().getReturnType().isType(TC_VOID) && !isInitializer()) {
asm.add(getWhere(), opc_return, true);
}
}
return;
}
}
public void codeInit(Environment env, Context ctx, Assembler asm) throws ClassNotFound {
if (isMethod()) {
return;
}
switch (status) {
case PARSED:
check(env);
codeInit(env, ctx, asm);
return;
case CHECKED:
inline(env);
codeInit(env, ctx, asm);
return;
case INLINED:
// Actually generate code
if (env.dump()) {
System.out.println("[code initializer " + getClassDeclaration().getName() + "." + getName() + "]");
}
if (getValue() != null) {
Expression e = (Expression)getValue();
// The JLS Section 8.5 specifies that static (non-final)
// initializers should be executed in textual order. Eliding
// initializations to default values can interfere with this,
// so the tests for !e.equalsDefault() have been eliminated,
// below.
if (isStatic()) {
if (getInitialValue() == null) {
// removed: && !e.equalsDefault()) {
e.codeValue(env, ctx, asm);
asm.add(getWhere(), opc_putstatic, this);
}
} else { // removed: if (!e.equalsDefault()) {
// This code doesn't appear to be reached for
// instance initializers. Code for these is generated
// in the makeVarInits() method of the class
// MethodExpression.
asm.add(getWhere(), opc_aload, new Integer(0));
e.codeValue(env, ctx, asm);
asm.add(getWhere(), opc_putfield, this);
}
}
return;
}
}
/**
* Print for debugging
*/
public void print(PrintStream out) {
super.print(out);
if (getValue() != null) {
getValue().print(out);
out.println();
}
}
}