/* * Copyright (c) 1994, 2003, 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.tree;import sun.tools.java.*;import sun.tools.asm.Assembler;import java.io.PrintStream;import java.util.Hashtable;/** * 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. */publicclass ExpressionStatement extends Statement { Expression expr; /** * Constructor */ public ExpressionStatement(long where, Expression expr) { super(EXPRESSION, where); this.expr = expr; } /** * Check statement */ Vset check(Environment env, Context ctx, Vset vset, Hashtable exp) { checkLabel(env, ctx); return expr.check(env, ctx, reach(env, vset), exp); } /** * Inline */ public Statement inline(Environment env, Context ctx) { if (expr != null) { expr = expr.inline(env, ctx); return (expr == null) ? null : this; } return null; } /** * Create a copy of the statement for method inlining */ public Statement copyInline(Context ctx, boolean valNeeded) { ExpressionStatement s = (ExpressionStatement)clone(); s.expr = expr.copyInline(ctx); return s; } /** * The cost of inlining this statement */ public int costInline(int thresh, Environment env, Context ctx) { return expr.costInline(thresh, env, ctx); } /** * Code */ public void code(Environment env, Context ctx, Assembler asm) { expr.code(env, ctx, asm); } /** * Check if the first thing is a constructor invocation */ public Expression firstConstructor() { return expr.firstConstructor(); } /** * Print */ public void print(PrintStream out, int indent) { super.print(out, indent); if (expr != null) { expr.print(out); } else { out.print("<empty>"); } out.print(";"); }}
/*
* Copyright (c) 1994, 2003, 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.tree;
import sun.tools.java.*;
import sun.tools.asm.Assembler;
import java.io.PrintStream;
import java.util.Hashtable;
/**
* 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.
*/
public
class ExpressionStatement extends Statement {
Expression expr;
/**
* Constructor
*/
public ExpressionStatement(long where, Expression expr) {
super(EXPRESSION, where);
this.expr = expr;
}
/**
* Check statement
*/
Vset check(Environment env, Context ctx, Vset vset, Hashtable exp) {
checkLabel(env, ctx);
return expr.check(env, ctx, reach(env, vset), exp);
}
/**
* Inline
*/
public Statement inline(Environment env, Context ctx) {
if (expr != null) {
expr = expr.inline(env, ctx);
return (expr == null) ? null : this;
}
return null;
}
/**
* Create a copy of the statement for method inlining
*/
public Statement copyInline(Context ctx, boolean valNeeded) {
ExpressionStatement s = (ExpressionStatement)clone();
s.expr = expr.copyInline(ctx);
return s;
}
/**
* The cost of inlining this statement
*/
public int costInline(int thresh, Environment env, Context ctx) {
return expr.costInline(thresh, env, ctx);
}
/**
* Code
*/
public void code(Environment env, Context ctx, Assembler asm) {
expr.code(env, ctx, asm);
}
/**
* Check if the first thing is a constructor invocation
*/
public Expression firstConstructor() {
return expr.firstConstructor();
}
/**
* Print
*/
public void print(PrintStream out, int indent) {
super.print(out, indent);
if (expr != null) {
expr.print(out);
} else {
out.print("<empty>");
}
out.print(";");
}
}