/* * 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 java.io.PrintStream;import sun.tools.asm.Assembler;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 DeclarationStatement extends Statement { int mod; Expression type; Statement args[]; /** * Constructor */ public DeclarationStatement(long where, int mod, Expression type, Statement args[]) { super(DECLARATION, where); this.mod = mod; this.type = type; this.args = args; } /** * Check statement * Report an error unless the call is checkBlockStatement. */ Vset check(Environment env, Context ctx, Vset vset, Hashtable exp) { env.error(where, "invalid.decl"); return checkBlockStatement(env, ctx, vset, exp); } Vset checkBlockStatement(Environment env, Context ctx, Vset vset, Hashtable exp) { if (labels != null) { env.error(where, "declaration.with.label", labels[0]); } vset = reach(env, vset); Type t = type.toType(env, ctx); for (int i = 0 ; i < args.length ; i++) { vset = args[i].checkDeclaration(env, ctx, vset, mod, t, exp); } return vset; } /** * Inline */ public Statement inline(Environment env, Context ctx) { int n = 0; for (int i = 0 ; i < args.length ; i++) { if ((args[i] = args[i].inline(env, ctx)) != null) { n++; } } return (n == 0) ? null : this; } /** * Create a copy of the statement for method inlining */ public Statement copyInline(Context ctx, boolean valNeeded) { DeclarationStatement s = (DeclarationStatement)clone(); if (type != null) { s.type = type.copyInline(ctx); } s.args = new Statement[args.length]; for (int i = 0; i < args.length; i++){ if (args[i] != null){ s.args[i] = args[i].copyInline(ctx, valNeeded); } } return s; } /** * The cost of inlining this statement */ public int costInline(int thresh, Environment env, Context ctx) { int cost = 1; for (int i = 0; i < args.length; i++){ if (args[i] != null){ cost += args[i].costInline(thresh, env, ctx); } } return cost; } /** * Code */ public void code(Environment env, Context ctx, Assembler asm) { for (int i = 0 ; i < args.length ; i++) { if (args[i] != null) { args[i].code(env, ctx, asm); } } } /** * Print */ public void print(PrintStream out, int indent) { out.print("declare "); super.print(out, indent); type.print(out); out.print(" "); for (int i = 0 ; i < args.length ; i++) { if (i > 0) { out.print(", "); } if (args[i] != null) { args[i].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 java.io.PrintStream;
import sun.tools.asm.Assembler;
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 DeclarationStatement extends Statement {
int mod;
Expression type;
Statement args[];
/**
* Constructor
*/
public DeclarationStatement(long where, int mod, Expression type, Statement args[]) {
super(DECLARATION, where);
this.mod = mod;
this.type = type;
this.args = args;
}
/**
* Check statement
* Report an error unless the call is checkBlockStatement.
*/
Vset check(Environment env, Context ctx, Vset vset, Hashtable exp) {
env.error(where, "invalid.decl");
return checkBlockStatement(env, ctx, vset, exp);
}
Vset checkBlockStatement(Environment env, Context ctx, Vset vset, Hashtable exp) {
if (labels != null) {
env.error(where, "declaration.with.label", labels[0]);
}
vset = reach(env, vset);
Type t = type.toType(env, ctx);
for (int i = 0 ; i < args.length ; i++) {
vset = args[i].checkDeclaration(env, ctx, vset, mod, t, exp);
}
return vset;
}
/**
* Inline
*/
public Statement inline(Environment env, Context ctx) {
int n = 0;
for (int i = 0 ; i < args.length ; i++) {
if ((args[i] = args[i].inline(env, ctx)) != null) {
n++;
}
}
return (n == 0) ? null : this;
}
/**
* Create a copy of the statement for method inlining
*/
public Statement copyInline(Context ctx, boolean valNeeded) {
DeclarationStatement s = (DeclarationStatement)clone();
if (type != null) {
s.type = type.copyInline(ctx);
}
s.args = new Statement[args.length];
for (int i = 0; i < args.length; i++){
if (args[i] != null){
s.args[i] = args[i].copyInline(ctx, valNeeded);
}
}
return s;
}
/**
* The cost of inlining this statement
*/
public int costInline(int thresh, Environment env, Context ctx) {
int cost = 1;
for (int i = 0; i < args.length; i++){
if (args[i] != null){
cost += args[i].costInline(thresh, env, ctx);
}
}
return cost;
}
/**
* Code
*/
public void code(Environment env, Context ctx, Assembler asm) {
for (int i = 0 ; i < args.length ; i++) {
if (args[i] != null) {
args[i].code(env, ctx, asm);
}
}
}
/**
* Print
*/
public void print(PrintStream out, int indent) {
out.print("declare ");
super.print(out, indent);
type.print(out);
out.print(" ");
for (int i = 0 ; i < args.length ; i++) {
if (i > 0) {
out.print(", ");
}
if (args[i] != null) {
args[i].print(out);
} else {
out.print("<empty>");
}
}
out.print(";");
}
}