Showing the changes to java/pkg/sun/tools/tree/DeclarationStatement.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,151 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.tools.tree; | ||
| 27 | |||
| 28 | import sun.tools.java.*; | ||
| 29 | import java.io.PrintStream; | ||
| 30 | import sun.tools.asm.Assembler; | ||
| 31 | import java.util.Hashtable; | ||
| 32 | |||
| 33 | /** | ||
| 34 | * WARNING: The contents of this source file are not part of any | ||
| 35 | * supported API. Code that depends on them does so at its own risk: | ||
| 36 | * they are subject to change or removal without notice. | ||
| 37 | */ | ||
| 38 | public | ||
| 39 | class DeclarationStatement extends Statement { | ||
| 40 | int mod; | ||
| 41 | Expression type; | ||
| 42 | Statement args[]; | ||
| 43 | |||
| 44 | /** | ||
| 45 | * Constructor | ||
| 46 | */ | ||
| 47 | public DeclarationStatement(long where, int mod, Expression type, Statement args[]) { | ||
| 48 | super(DECLARATION, where); | ||
| 49 | this.mod = mod; | ||
| 50 | this.type = type; | ||
| 51 | this.args = args; | ||
| 52 | } | ||
| 53 | |||
| 54 | /** | ||
| 55 | * Check statement | ||
| 56 | * Report an error unless the call is checkBlockStatement. | ||
| 57 | */ | ||
| 58 | Vset check(Environment env, Context ctx, Vset vset, Hashtable exp) { | ||
| 59 | env.error(where, "invalid.decl"); | ||
| 60 | return checkBlockStatement(env, ctx, vset, exp); | ||
| 61 | } | ||
| 62 | Vset checkBlockStatement(Environment env, Context ctx, Vset vset, Hashtable exp) { | ||
| 63 | if (labels != null) { | ||
| 64 | env.error(where, "declaration.with.label", labels[0]); | ||
| 65 | } | ||
| 66 | vset = reach(env, vset); | ||
| 67 | Type t = type.toType(env, ctx); | ||
| 68 | |||
| 69 | for (int i = 0 ; i < args.length ; i++) { | ||
| 70 | vset = args[i].checkDeclaration(env, ctx, vset, mod, t, exp); | ||
| 71 | } | ||
| 72 | |||
| 73 | return vset; | ||
| 74 | } | ||
| 75 | |||
| 76 | /** | ||
| 77 | * Inline | ||
| 78 | */ | ||
| 79 | public Statement inline(Environment env, Context ctx) { | ||
| 80 | int n = 0; | ||
| 81 | for (int i = 0 ; i < args.length ; i++) { | ||
| 82 | if ((args[i] = args[i].inline(env, ctx)) != null) { | ||
| 83 | n++; | ||
| 84 | } | ||
| 85 | } | ||
| 86 | return (n == 0) ? null : this; | ||
| 87 | } | ||
| 88 | |||
| 89 | /** | ||
| 90 | * Create a copy of the statement for method inlining | ||
| 91 | */ | ||
| 92 | public Statement copyInline(Context ctx, boolean valNeeded) { | ||
| 93 | DeclarationStatement s = (DeclarationStatement)clone(); | ||
| 94 | if (type != null) { | ||
| 95 | s.type = type.copyInline(ctx); | ||
| 96 | } | ||
| 97 | s.args = new Statement[args.length]; | ||
| 98 | for (int i = 0; i < args.length; i++){ | ||
| 99 | if (args[i] != null){ | ||
| 100 | s.args[i] = args[i].copyInline(ctx, valNeeded); | ||
| 101 | } | ||
| 102 | } | ||
| 103 | return s; | ||
| 104 | } | ||
| 105 | |||
| 106 | /** | ||
| 107 | * The cost of inlining this statement | ||
| 108 | */ | ||
| 109 | public int costInline(int thresh, Environment env, Context ctx) { | ||
| 110 | int cost = 1; | ||
| 111 | for (int i = 0; i < args.length; i++){ | ||
| 112 | if (args[i] != null){ | ||
| 113 | cost += args[i].costInline(thresh, env, ctx); | ||
| 114 | } | ||
| 115 | } | ||
| 116 | return cost; | ||
| 117 | } | ||
| 118 | |||
| 119 | |||
| 120 | /** | ||
| 121 | * Code | ||
| 122 | */ | ||
| 123 | public void code(Environment env, Context ctx, Assembler asm) { | ||
| 124 | for (int i = 0 ; i < args.length ; i++) { | ||
| 125 | if (args[i] != null) { | ||
| 126 | args[i].code(env, ctx, asm); | ||
| 127 | } | ||
| 128 | } | ||
| 129 | } | ||
| 130 | |||
| 131 | /** | ||
| 132 | |||
| 133 | */ | ||
| 134 | public void print(PrintStream out, int indent) { | ||
| 135 | out.print("declare "); | ||
| 136 | super.print(out, indent); | ||
| 137 | type.print(out); | ||
| 138 | out.print(" "); | ||
| 139 | for (int i = 0 ; i < args.length ; i++) { | ||
| 140 | if (i > 0) { | ||
| 141 | out.print(", "); | ||
| 142 | } | ||
| 143 | if (args[i] != null) { | ||
| 144 | args[i].print(out); | ||
| 145 | } else { | ||
| 146 | out.print("<empty>"); | ||
| 147 | } | ||
| 148 | } | ||
| 149 | out.print(";"); | ||
| 150 | } | ||
| 151 | } | ||