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-rw-r--r--src/java/com/sun/gluegen/FunctionEmitter.java222
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diff --git a/src/java/com/sun/gluegen/FunctionEmitter.java b/src/java/com/sun/gluegen/FunctionEmitter.java
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--- a/src/java/com/sun/gluegen/FunctionEmitter.java
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-/*
- * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * - Redistribution of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
- * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
- * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
- * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
- * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
- * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
- * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
- * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that this software is not designed or intended for use
- * in the design, construction, operation or maintenance of any nuclear
- * facility.
- *
- * Sun gratefully acknowledges that this software was originally authored
- * and developed by Kenneth Bradley Russell and Christopher John Kline.
- */
-
-package com.sun.gluegen;
-
-import java.util.*;
-import java.io.*;
-import com.sun.gluegen.cgram.types.MachineDescription;
-
-public abstract class FunctionEmitter
-{
- public static final EmissionModifier STATIC = new EmissionModifier("static");
-
- private ArrayList modifiers = new ArrayList();
- private CommentEmitter commentEmitter = null;
- private PrintWriter defaultOutput;
-
- /**
- * Constructs the FunctionEmitter with a CommentEmitter that emits nothing.
- */
- public FunctionEmitter(PrintWriter defaultOutput)
- {
- assert(defaultOutput != null);
- this.defaultOutput = defaultOutput;
- }
-
- /**
- * Makes this FunctionEmitter a copy of the passed one.
- */
- public FunctionEmitter(FunctionEmitter arg) {
- modifiers = (ArrayList) arg.modifiers.clone();
- commentEmitter = arg.commentEmitter;
- defaultOutput = arg.defaultOutput;
- }
-
- public PrintWriter getDefaultOutput() { return defaultOutput; }
-
- public void addModifiers(Iterator/*<EmissionModifier>*/ mi)
- {
- while (mi.hasNext())
- {
- modifiers.add((EmissionModifier) mi.next());
- }
- }
- public void addModifier(EmissionModifier m) { modifiers.add(m); }
-
- public boolean removeModifier(EmissionModifier m) { return modifiers.remove(m); }
-
- public void clearModifiers() { modifiers.clear(); }
-
- public boolean hasModifier(EmissionModifier m) { return modifiers.contains(m); }
-
- public Iterator getModifiers() { return modifiers.iterator(); }
-
- public abstract String getName();
-
- /**
- * Emit the function to the specified output (instead of the default
- * output).
- */
- public void emit(PrintWriter output)
- {
- emitDocComment(output);
- //output.println(" // Emitter: " + getClass().getName());
- emitSignature(output);
- emitBody(output);
- }
-
- /**
- * Emit the function to the default output (the output that was passed to
- * the constructor)
- */
- public final void emit()
- {
- emit(getDefaultOutput());
- }
-
- /** Returns, as a String, whatever {@link #emit} would output. */
- public String toString()
- {
- StringWriter sw = new StringWriter(500);
- PrintWriter w = new PrintWriter(sw);
- emit(w);
- return sw.toString();
- }
-
- /**
- * Set the object that will emit the comment for this function. If the
- * parameter is null, no comment will be emitted.
- */
- public void setCommentEmitter(CommentEmitter cEmitter)
- {
- commentEmitter = cEmitter;
- }
-
- /**
- * Get the comment emitter for this FunctionEmitter. The return value may be
- * null, in which case no comment emitter has been set.
- */
- public CommentEmitter getCommentEmitter() { return commentEmitter; }
-
- protected void emitDocComment(PrintWriter writer)
- {
- if (commentEmitter != null)
- {
- writer.print(getBaseIndentString()); //indent
-
- writer.print(getCommentStartString());
-
- commentEmitter.emit(this, writer);
-
- writer.print(getBaseIndentString()); //indent
-
- writer.println(getCommentEndString());
- }
- }
-
- protected void emitSignature(PrintWriter writer)
- {
- writer.print(getBaseIndentString()); // indent method
-
- int numEmitted = emitModifiers(writer);
- if (numEmitted > 0)
- {
- writer.print(" ");
- }
-
- emitReturnType(writer);
- writer.print(" ");
-
- emitName(writer);
- writer.print("(");
-
- emitArguments(writer);
- writer.print(")");
- }
-
- protected int emitModifiers(PrintWriter writer)
- {
- PrintWriter w = getDefaultOutput();
- int numEmitted = 0;
- for (Iterator it = getModifiers(); it.hasNext(); )
- {
- writer.print(it.next());
- ++numEmitted;
- if (it.hasNext())
- {
- writer.print(" ");
- }
- }
- return numEmitted;
- }
-
- protected String getBaseIndentString() { return ""; }
-
- protected String getCommentStartString() { return "/* "; }
- protected String getCommentEndString() { return " */"; }
-
- protected abstract void emitReturnType(PrintWriter writer);
- protected abstract void emitName(PrintWriter writer);
- /** Returns the number of arguments emitted. */
- protected abstract int emitArguments(PrintWriter writer);
- protected abstract void emitBody(PrintWriter writer);
-
- public static class EmissionModifier
- {
- public final String toString() { return emittedForm; }
-
- private String emittedForm;
-
- public int hashCode() {
- return emittedForm.hashCode();
- }
-
- public boolean equals(Object arg) {
- if (arg == null || (!(arg instanceof EmissionModifier))) {
- return false;
- }
-
- return emittedForm.equals(((EmissionModifier) arg).emittedForm);
- }
-
- protected EmissionModifier(String emittedForm) { this.emittedForm = emittedForm; }
- }
-}
-