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Diffstat (limited to 'OpenSim/Grid/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs')
-rw-r--r--OpenSim/Grid/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs314
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diff --git a/OpenSim/Grid/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs b/OpenSim/Grid/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs
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--- a/OpenSim/Grid/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System.Collections.Generic;
29using System.Text.RegularExpressions;
30
31namespace OpenSim.Grid.ScriptEngine.DotNetEngine.Compiler.LSL
32{
33 public class LSL2CSConverter
34 {
35 //private Regex rnw = new Regex(@"[a-zA-Z0-9_\-]", RegexOptions.Compiled);
36 private Dictionary<string, string> dataTypes = new Dictionary<string, string>();
37 private Dictionary<string, string> quotes = new Dictionary<string, string>();
38
39 public LSL2CSConverter()
40 {
41 // Only the types we need to convert
42 dataTypes.Add("void", "void");
43 dataTypes.Add("integer", "int");
44 dataTypes.Add("float", "double");
45 dataTypes.Add("string", "string");
46 dataTypes.Add("key", "string");
47 dataTypes.Add("vector", "LSL_Types.Vector3");
48 dataTypes.Add("rotation", "LSL_Types.Quaternion");
49 dataTypes.Add("list", "list");
50 dataTypes.Add("null", "null");
51 }
52
53 public string Convert(string Script)
54 {
55 string Return = "";
56 Script = " \r\n" + Script;
57
58 //
59 // Prepare script for processing
60 //
61
62 // Clean up linebreaks
63 Script = Regex.Replace(Script, @"\r\n", "\n");
64 Script = Regex.Replace(Script, @"\n", "\r\n");
65
66
67 // QUOTE REPLACEMENT
68 // temporarily replace quotes so we can work our magic on the script without
69 // always considering if we are inside our outside ""'s
70 string _Script = "";
71 string C;
72 bool in_quote = false;
73 bool quote_replaced = false;
74 string quote_replacement_string = "Q_U_O_T_E_REPLACEMENT_";
75 string quote = "";
76 bool last_was_escape = false;
77 int quote_replaced_count = 0;
78 for (int p = 0; p < Script.Length; p++)
79 {
80 C = Script.Substring(p, 1);
81 while (true)
82 {
83 // found " and last was not \ so this is not an escaped \"
84 if (C == "\"" && last_was_escape == false)
85 {
86 // Toggle inside/outside quote
87 in_quote = !in_quote;
88 if (in_quote)
89 {
90 quote_replaced_count++;
91 }
92 else
93 {
94 if (quote == "")
95 {
96 // We didn't replace quote, probably because of empty string?
97 _Script += quote_replacement_string +
98 quote_replaced_count.ToString().PadLeft(5, "0".ToCharArray()[0]);
99 }
100 // We just left a quote
101 quotes.Add(
102 quote_replacement_string +
103 quote_replaced_count.ToString().PadLeft(5, "0".ToCharArray()[0]), quote);
104 quote = "";
105 }
106 break;
107 }
108
109 if (!in_quote)
110 {
111 // We are not inside a quote
112 quote_replaced = false;
113 }
114 else
115 {
116 // We are inside a quote
117 if (!quote_replaced)
118 {
119 // Replace quote
120 _Script += quote_replacement_string +
121 quote_replaced_count.ToString().PadLeft(5, "0".ToCharArray()[0]);
122 quote_replaced = true;
123 }
124 quote += C;
125 break;
126 }
127 _Script += C;
128 break;
129 }
130 last_was_escape = false;
131 if (C == @"\")
132 {
133 last_was_escape = true;
134 }
135 }
136 Script = _Script;
137 //
138 // END OF QUOTE REPLACEMENT
139 //
140
141 //
142 // PROCESS STATES
143 // Remove state definitions and add state names to start of each event within state
144 //
145 int ilevel = 0;
146 int lastlevel = 0;
147 string ret = "";
148 string cache = "";
149 bool in_state = false;
150 string current_statename = "";
151 for (int p = 0; p < Script.Length; p++)
152 {
153 C = Script.Substring(p, 1);
154 while (true)
155 {
156 // inc / dec level
157 if (C == @"{")
158 ilevel++;
159 if (C == @"}")
160 ilevel--;
161 if (ilevel < 0)
162 ilevel = 0;
163 cache += C;
164
165 // if level == 0, add to return
166 if (ilevel == 1 && lastlevel == 0)
167 {
168 // 0 => 1: Get last
169 Match m =
170 Regex.Match(cache, @"(?![a-zA-Z_]+)\s*([a-zA-Z_]+)[^a-zA-Z_\(\)]*{",
171 RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
172
173 in_state = false;
174 if (m.Success)
175 {
176 // Go back to level 0, this is not a state
177 in_state = true;
178 current_statename = m.Groups[1].Captures[0].Value;
179 //Console.WriteLine("Current statename: " + current_statename);
180 cache =
181 Regex.Replace(cache,
182 @"(?<s1>(?![a-zA-Z_]+)\s*)" + @"([a-zA-Z_]+)(?<s2>[^a-zA-Z_\(\)]*){",
183 "${s1}${s2}",
184 RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
185 }
186 ret += cache;
187 cache = "";
188 }
189 if (ilevel == 0 && lastlevel == 1)
190 {
191 // 1 => 0: Remove last }
192 if (in_state == true)
193 {
194 cache = cache.Remove(cache.Length - 1, 1);
195 //cache = Regex.Replace(cache, "}$", "", RegexOptions.Multiline | RegexOptions.Singleline);
196
197 //Replace function names
198 // void dataserver(key query_id, string data) {
199 //cache = Regex.Replace(cache, @"([^a-zA-Z_]\s*)((?!if|switch|for)[a-zA-Z_]+\s*\([^\)]*\)[^{]*{)", "$1" + "<STATE>" + "$2", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
200 //Console.WriteLine("Replacing using statename: " + current_statename);
201 cache =
202 Regex.Replace(cache,
203 @"^(\s*)((?!(if|switch|for)[^a-zA-Z0-9_])[a-zA-Z0-9_]*\s*\([^\)]*\)[^;]*\{)",
204 @"$1public " + current_statename + "_event_$2",
205 RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
206 }
207
208 ret += cache;
209 cache = "";
210 in_state = true;
211 current_statename = "";
212 }
213
214 break;
215 }
216 lastlevel = ilevel;
217 }
218 ret += cache;
219 cache = "";
220
221 Script = ret;
222 ret = "";
223
224
225 foreach (string key in dataTypes.Keys)
226 {
227 string val;
228 dataTypes.TryGetValue(key, out val);
229
230 // Replace CAST - (integer) with (int)
231 Script =
232 Regex.Replace(Script, @"\(" + key + @"\)", @"(" + val + ")",
233 RegexOptions.Compiled | RegexOptions.Multiline);
234 // Replace return types and function variables - integer a() and f(integer a, integer a)
235 Script =
236 Regex.Replace(Script, @"(^|;|}|[\(,])(\s*)" + key + @"(\s*)", @"$1$2" + val + "$3",
237 RegexOptions.Compiled | RegexOptions.Multiline);
238 }
239
240 // Add "void" in front of functions that needs it
241 Script =
242 Regex.Replace(Script,
243 @"^(\s*public\s+)((?!(if|switch|for)[^a-zA-Z0-9_])[a-zA-Z0-9_]*\s*\([^\)]*\)[^;]*\{)",
244 @"$1void $2", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
245
246 // Replace <x,y,z> and <x,y,z,r>
247 Script =
248 Regex.Replace(Script, @"<([^,>]*,[^,>]*,[^,>]*,[^,>]*)>", @"new LSL_Types.Quaternion($1)",
249 RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
250 Script =
251 Regex.Replace(Script, @"<([^,>]*,[^,>]*,[^,>]*)>", @"new LSL_Types.Vector3($1)",
252 RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
253
254 // Replace List []'s
255 Script =
256 Regex.Replace(Script, @"\[([^\]]*)\]", @"List.Parse($1)",
257 RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
258
259
260 // Replace (string) to .ToString() //
261 Script =
262 Regex.Replace(Script, @"\(string\)\s*([a-zA-Z0-9_]+(\s*\([^\)]*\))?)", @"$1.ToString()",
263 RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
264 Script =
265 Regex.Replace(Script, @"\((float|int)\)\s*([a-zA-Z0-9_]+(\s*\([^\)]*\))?)", @"$1.Parse($2)",
266 RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
267
268
269 // REPLACE BACK QUOTES
270 foreach (string key in quotes.Keys)
271 {
272 string val;
273 quotes.TryGetValue(key, out val);
274 Script = Script.Replace(key, "\"" + val + "\"");
275 }
276
277
278 // Add namespace, class name and inheritance
279
280 Return = "" +
281 "using OpenSim.Region.ScriptEngine.Common;";
282 //"using System; " +
283 //"using System.Collections.Generic; " +
284 //"using System.Text; " +
285 //"using OpenSim.Region.ScriptEngine.Common; " +
286 //"using integer = System.Int32; " +
287 //"using key = System.String; ";
288
289 //// Make a Using out of DataTypes
290 //// Using integer = System.Int32;
291 //string _val;
292 //foreach (string key in DataTypes.Keys)
293 //{
294 // DataTypes.TryGetValue(key, out _val);
295 // if (key != _val)
296 // {
297 // Return += "using " + key + " = " + _val + "; ";
298 // }
299 //}
300
301
302 Return += "" +
303 "namespace SecondLife { ";
304 Return += "" +
305 //"[Serializable] " +
306 "public class Script : OpenSim.Grid.ScriptEngine.DotNetEngine.Compiler.LSL.LSL_BaseClass { ";
307 Return += @"public Script() { } ";
308 Return += Script;
309 Return += "} }\r\n";
310
311 return Return;
312 }
313 }
314}
generated by cgit v1.1 at 2024-07-02 20:22:14 +0000