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Changes and additions to the Java back-end so that:

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Changes and additions to the Java back-end so that:
 o  While tags shouldn't be generated, they do get generated in some cases
    and are now handled correctly.
 o  The Java back-end now generates class constructors.
 o  The Java back-end is now able to simulate the behaviour of function
    pointers, which are used for closures, continuations, as well as unify
    and compare.


mercury/compiler/mlds_to_java.m:
	Extensive changes to existing code to implement tags and class
	constructors. Also, addition of code to search MLDS for uses of
	function pointers and to generate MLDS for wrapper classes. As well
	as many small bug fixes.
	Removed some (unfinished) code for dealing with Unify and Compare, this
	code was redundant now that function pointers have been implemented.

mercury/compiler/java_util.m:
	Updated to return noops for most tag operators.

mercury/java/MethodPtr.java:
	New file. This is the interface which the wrapper classes used for
	function pointers extend.
This commit is contained in:
Michael Wybrow
2002-01-23 22:23:14 +00:00
parent b5a84362e8
commit bbba5416f3
3 changed files with 875 additions and 407 deletions
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15
java/MethodPtr.java Normal file
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//
// Copyright (C) 2002 The University of Melbourne.
// This file may only be copied under the terms of the GNU Library General
// Public License - see the file COPYING.LIB in the Mercury distribution.
//
// This interface is implemented by wrapper classes which are automatically
// generated by the Java back-end to implement method pointers in Java.
//
package mercury.runtime;
public interface MethodPtr {
public abstract java.lang.Object call___0_0(java.lang.Object[] args);
}