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1
28
29 package com.caucho.es;
30
31 import com.caucho.util.IntMap;
32
33 import java.util.HashMap  ;
34
35
38 public class ESBeanWrapper extends ESBase {
39 static ESId CALL = ESId.intern("call");
40 protected static ESId LENGTH = ESId.intern("length");
41
42 public int set;
43 public IntMap hasDispatch;
44 public IntMap setDispatch;
45 public IntMap []subGets;
46 public IntMap []subSets;
47 public HashMap methods;
48 public IntMap methodDispatch;
49
50 protected Object value;
51 protected String name;
52 ESString []formals;
53 int length;
54 public int n = -3;
55 int newN;
56
57 protected ESBeanWrapper()
58 {
59 }
60
61 public long getVersionId()
62 {
63 return 0;
64 }
65
66 private String decompile()
67 {
68 StringBuffer sbuf = new StringBuffer ();
69
70 sbuf.append("function ");
71 sbuf.append(name);
72 sbuf.append("(");
73 for (int i = 0; formals != null && i < formals.length; i++) {
74 if (i != 0)
75 sbuf.append(", ");
76 sbuf.append(formals[i]);
77 }
78
79 sbuf.append(") ");
80
81 sbuf.append("{ ");
82 sbuf.append("[native code]");
83 sbuf.append(" }");
84
85 return sbuf.toString();
86 }
87
88 public ESString toStr() throws ESException
89 {
90 if (n == -1)
91 return ESString.create(value == null ? "null" : value.toString());
92 else
93 return ESString.create(decompile());
94 }
95
96 public double toNum() throws ESException
97 {
98 if (value instanceof Number )
99 return ((Number ) value).doubleValue();
100 else
101 throw new ESException("no number: " + getClass().getName());
102 }
103
104 public ESBase getProperty(ESString name) throws Throwable
105 {
106 ESBase value = hasProperty(name);
107
108 if (value != null)
109 return value;
110 else
111 return esEmpty;
112 }
113
114 public ESBase hasProperty(ESString name) throws Throwable
115 {
116 return null;
117 }
118
119 public ESString toSource(IntMap map, boolean isLoopPath) throws ESException
120 {
121 if (isLoopPath)
122 return null;
123 else
124 return toStr();
125 }
126
127 public ESBase toPrimitive(int hint) throws ESException
128 {
129 if (value instanceof ESBase)
130 return (ESBase) value;
131 else
132 return toStr();
133 }
134
135 public Object toJavaObject()
136 {
137 return value != null ? value : this;
138 }
139
140 public boolean toBoolean()
141 {
142 return true;
143 }
144
145 protected ESBeanWrapper dup()
146 {
147 throw new UnsupportedOperationException ();
148 }
149
150 protected ESBeanWrapper dup(int set)
151 {
152 ESBeanWrapper child = dup();
153
154 child.value = value;
155 child.set = set;
156 child.hasDispatch = subGets[set];
157 child.setDispatch = subSets[set];
158 child.subGets = subGets;
159 child.subSets = subSets;
160 child.methods = methods;
161
162 return child;
163 }
164
165 public ESBeanWrapper wrap(Object value)
166 {
167 throw new RuntimeException ();
168 }
169
170 public ESBeanWrapper wrapStatic()
171 {
172 throw new RuntimeException ();
173 }
174
175 public boolean ecmaEquals(ESBase b)
176 {
177 if (! (b instanceof ESBeanWrapper))
178 return false;
179 else
180 return value.equals(((ESBeanWrapper) b).value);
181 }
182
183 public Object copy(HashMap refs)
184 {
185 return this;
186 }
187
188 public ESBase typeof()
189 {
190 return ESString.create("object");
191 }
192
193 public ESBase call(Call eval, int length, int n) throws Throwable
194 {
195 throw new ESNullException(toStr() + " is not a function");
196 }
197
198 public ESBase call(Call eval, int length) throws Throwable
199 {
200 return call(eval, length, n);
201 }
202
203 public ESBase call(Call eval, int length, ESString key) throws Throwable
204 {
205 int n = methodDispatch.get(key);
206 if (n < 0)
207 throw new ESUndefinedException(getClass().getName() + ": undefined call `" + key + "'");
208
209 return call(eval, length, n);
210 }
211
212 public ESBase construct(Call eval, int length) throws Throwable
213 {
214 if (n != newN) {
215 throw new ESException("cannot create " + name);
216 }
217
218 ESBase value = call(eval, length);
219
220 if (value == esUndefined || value == null)
221 throw new ESException("cannot create " + name);
222
223 return value;
224 }
225
226 public boolean isModified()
227 {
228 return true;
229 }
230 }
231 |
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