| /* |
| * 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.Label; |
| import sun.tools.asm.Assembler; |
| import java.io.PrintStream; |
| |
| /** |
| * 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 InlineMethodExpression extends Expression { |
| MemberDefinition field; |
| Statement body; |
| |
| /** |
| * Constructor |
| */ |
| InlineMethodExpression(long where, Type type, MemberDefinition field, Statement body) { |
| super(INLINEMETHOD, where, type); |
| this.field = field; |
| this.body = body; |
| } |
| /** |
| * Inline |
| */ |
| public Expression inline(Environment env, Context ctx) { |
| body = body.inline(env, new Context(ctx, this)); |
| if (body == null) { |
| return null; |
| } else if (body.op == INLINERETURN) { |
| Expression expr = ((InlineReturnStatement)body).expr; |
| if (expr != null && type.isType(TC_VOID)) { |
| throw new CompilerError("value on inline-void return"); |
| } |
| return expr; |
| } else { |
| return this; |
| } |
| } |
| public Expression inlineValue(Environment env, Context ctx) { |
| // When this node was constructed, "copyInline" walked the body |
| // with a "valNeeded" flag which made all returns either void |
| // or value-bearing. The type of this node reflects that |
| // earlier choice. The present inline/inlineValue distinction |
| // is ignored. |
| return inline(env, ctx); |
| } |
| |
| /** |
| * Create a copy of the expression for method inlining |
| */ |
| public Expression copyInline(Context ctx) { |
| InlineMethodExpression e = (InlineMethodExpression)clone(); |
| if (body != null) { |
| e.body = body.copyInline(ctx, true); |
| } |
| return e; |
| } |
| |
| /** |
| * Code |
| */ |
| public void code(Environment env, Context ctx, Assembler asm) { |
| // pop the result if there is any (usually, type is already void) |
| super.code(env, ctx, asm); |
| } |
| public void codeValue(Environment env, Context ctx, Assembler asm) { |
| CodeContext newctx = new CodeContext(ctx, this); |
| body.code(env, newctx, asm); |
| asm.add(newctx.breakLabel); |
| } |
| |
| /** |
| * Print |
| */ |
| public void print(PrintStream out) { |
| out.print("(" + opNames[op] + "\n"); |
| body.print(out, 1); |
| out.print(")"); |
| } |
| } |