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authorTedd Hansen2007-08-12 13:38:16 +0000
committerTedd Hansen2007-08-12 13:38:16 +0000
commitf5955ab539d1484664af1dade973f78d724a0abd (patch)
treece51c7509f454eb3143edba9110a2e4115f5e9b4 /OpenSim
parent* Removed magic exclusion of MonoSqlite data store from prebuild (diff)
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Initial LSL to C# converter, not working yet!
Diffstat (limited to 'OpenSim')
-rw-r--r--OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs156
1 files changed, 156 insertions, 0 deletions
diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs
new file mode 100644
index 0000000..b302274
--- /dev/null
+++ b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs
@@ -0,0 +1,156 @@
1using System;
2using System.Collections.Generic;
3using System.Text;
4using System.Text.RegularExpressions;
5
6namespace LSL2CS.Converter
7{
8 public class LSL2CSConverter
9 {
10 //private Regex rnw = new Regex(@"[a-zA-Z0-9_\-]", RegexOptions.Compiled);
11 private Dictionary<string, string> DataTypes = new Dictionary<string, string>();
12 private Dictionary<string, string> QUOTES = new Dictionary<string, string>();
13
14 public LSL2CSConverter()
15 {
16 DataTypes.Add("void", "void");
17 DataTypes.Add("integer", "int");
18 DataTypes.Add("float", "float");
19 DataTypes.Add("string", "string");
20 DataTypes.Add("key", "string");
21 DataTypes.Add("vector", "vector");
22 DataTypes.Add("rotation", "rotation");
23 DataTypes.Add("list", "list");
24 DataTypes.Add("null", "null");
25 }
26
27
28
29 public string Convert(string Script)
30 {
31 string Return = "";
32
33 //
34 // Prepare script for processing
35 //
36
37 // Here we will remove those linebreaks that are allowed in so many languages.
38 // One hard-ass regex should do the job.
39
40 // Then we will add some linebreaks.
41 Script = Regex.Replace(Script, @"\r\n", "\n");
42 Script = Regex.Replace(Script, @"\n", "\r\n");
43 //Script = Regex.Replace(Script, @"\n\s*{", @"{");
44 //Script = Regex.Replace(Script, @"[\r\n]", @"");
45
46 // Then we remove unwanted linebreaks
47
48
49 ////
50 //// Split up script to process line by line
51 ////
52 //int count = 0;
53 //string line;
54 //Regex r = new Regex("\r?\n", RegexOptions.Multiline | RegexOptions.Compiled);
55 //string[] lines = r.Split(Script);
56
57 //for (int i = 0; i < lines.Length; i++)
58 //{
59 // // Remove space in front and back
60 // line = lines[i].Trim();
61 // count++;
62 // Return += count + ". " + translate(line) + "\r\n";
63 //}
64
65 int level = 0;
66 bool Level0Set = false;
67 bool Level1Set = false;
68
69
70 // QUOTE REPLACEMENT
71 //char[] SA = Script.ToCharArray();
72 string _Script = "";
73 string C;
74 bool in_quote = false;
75 bool quote_replaced = false;
76 string quote_replacement_string = "Q_U_O_T_E_REPLACEMENT_";
77 string quote = "";
78 int quote_replaced_count = 0;
79 for (int p = 0; p < Script.Length; p++)
80 {
81
82 while (true) {
83 C = Script.Substring(p,1);
84 if (C == "\"") {
85 // Toggle inside/outside quote
86 in_quote = ! in_quote;
87 if(in_quote) {
88 quote_replaced_count++;
89 } else {
90 // We just left a quote
91 QUOTES.Add(quote_replacement_string + quote_replaced_count.ToString().PadLeft(5, "0".ToCharArray()[0]), quote);
92 quote = "";
93 }
94 break;
95 }
96 if (!in_quote) {
97 // We are not inside a quote
98 quote_replaced = false;
99
100 } else {
101 // We are inside a quote
102 if (!quote_replaced) {
103 // Replace quote
104 _Script += quote_replacement_string + quote_replaced_count.ToString().PadLeft(5, "0".ToCharArray()[0]);
105 quote_replaced = true;
106 }
107 quote += C;
108 break;
109 }
110 _Script += C;
111 break;
112 }
113 }
114 //
115 // END OF QUOTE REPLACEMENT
116 //
117
118 // Replace CAST - (integer) with (int)
119 Script = Regex.Replace(_Script, @"\(integer\)", @"(int)", RegexOptions.Compiled | RegexOptions.Multiline);
120 // Replace return types and function variables - integer a() and f(integer a, integer a)
121 _Script = Regex.Replace(Script, @"(^|[\(,])(\s*int)eger(\s*)", @"$1$2$3", RegexOptions.Compiled | RegexOptions.Multiline);
122
123 // Add void to functions not having that
124 Script = Regex.Replace(_Script, @"^(\s*)((?!if|switch|for|foreach)[a-zA-Z0-9_]*\s*\([^\)]*\)[^;]*\{)", @"$1void $2", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
125
126
127 // Replace int (TEMPORARY QUICKFIX)
128 //_Script = Regex.Replace(Script, "integer", "int", RegexOptions.Compiled);
129
130 foreach (string key in QUOTES.Keys)
131 {
132 string val;
133 QUOTES.TryGetValue(key, out val);
134 _Script = Script.Replace(key, "\"" + val + "\"");
135 Script = _Script;
136 }
137
138
139 Return = Script;
140
141 return Return;
142 }
143 //private string GetWord(char[] SA, int p)
144 //{
145 // string ret = "";
146 // for (int i = p; p < SA.Length; i++)
147 // {
148 // if (!rnw.IsMatch(SA[i].ToString()))
149 // break;
150 // ret += SA[i];
151 // }
152 // return ret;
153 //}
154
155 }
156}
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