src/Palete/ValaSource.vala
[app.Builder.js] / src / Palete / ValaSource.vala
1
2 // valac TreeBuilder.vala --pkg libvala-0.24 --pkg posix -o /tmp/treebuilder
3
4 /**
5  * 
6  *  This just deals with spawning the compiler and getting the results.
7  * 
8  *  each window should have one of these...
9  * 
10  *  x = new ValaSource();
11  *  x.connect.compiled(... do something with results... );
12  *  
13  * x.
14  * 
15  */
16
17 namespace Palete {
18         
19         public errordomain ValaSourceError {
20                 INVALID_FORMAT 
21         }
22         
23         //public delegate  void ValaSourceResult(Json.Object res);
24         
25          
26
27         public class ValaSource : Object {
28  
29                 
30                 public signal void compiled(Json.Object res);
31
32                 
33                 JsRender.JsRender file;
34                 public int line_offset = 0;
35                 
36                 public ValaSource( ) 
37                 {
38                         base();
39                  
40                 }
41                 public void dumpCode(string str) 
42                 {
43                         var ls = str.split("\n");
44                         for (var i=0;i < ls.length; i++) {
45                                 print("%d : %s\n", i+1, ls[i]);
46                         }
47                 }
48                 
49                 //public Gee.HashMap<int,string> checkFile()
50                 //{
51                 //      return this.checkString(JsRender.NodeToVala.mungeFile(this.file));
52                 //}
53
54                 public void checkFileWithNodePropChange(
55                   
56                                         JsRender.JsRender file,
57                                         JsRender.Node node, 
58                                         string prop,
59                                         string ptype,
60                                         string val
61                                  )
62                 {
63                         this.file = file;
64                         
65                         
66                         Gee.HashMap<int,string> ret = new Gee.HashMap<int,string> ();
67                         var hash = ptype == "listener" ? node.listeners : node.props;
68                         
69                         // untill we get a smarter renderer..
70                         // we have some scenarios where changing the value does not work
71                         if (prop == "* xns" || prop == "xtype") {
72                                 this.compiled(new Json.Object());
73                                 return ;
74                         }
75                                 
76                         
77                         var old = hash.get(prop);
78                         var newval = "/*--VALACHECK-START--*/ " + val ;
79                         
80                         hash.set(prop, newval);
81                         var tmpstring = JsRender.NodeToVala.mungeFile(file);
82                         hash.set(prop, old);
83                         //print("%s\n", tmpstring);
84                         var bits = tmpstring.split("/*--VALACHECK-START--*/");
85                         var offset =0;
86                         if (bits.length > 0) {
87                                 offset = bits[0].split("\n").length +1;
88                         }
89                         
90                         this.line_offset = offset;
91                         
92                         //this.dumpCode(tmpstring);
93                         //print("offset %d\n", offset);
94                         this.result_callback = result_cb;
95                         this.checkStringSpawn(tmpstring );
96                         
97                         // modify report
98                         
99                         
100                         
101                 }
102                 Spawn compiler;
103                  
104                 public void checkStringSpawn(
105                                         string contents 
106                                 )
107                 {
108                         
109                         FileIOStream iostream;
110                         var tmpfile = File.new_tmp ("test-XXXXXX.vala", out iostream);
111                         tmpfile.ref();
112
113                         OutputStream ostream = iostream.output_stream;
114                         DataOutputStream dostream = new DataOutputStream (ostream);
115                         dostream.put_string (contents);
116                         
117                         
118                         string[] args = {};
119                         args += BuilderApplication._self;
120                         args += "--project";
121                         args += this.file.project.fn;
122                         args += "--target";
123                         args += this.file.build_module;
124                         args += "--add-file";
125                         args +=  tmpfile.get_path();
126                         args += "--skip-file";
127                         args += this.file.path;
128                         
129                          
130                         
131                         this.compiler = new Spawn("/tmp", args);
132                         this.compiler.complete.connect(spawnResult);
133                         
134                         try {
135                                 this.compiler.run(); 
136                         } catch (GLib.SpawnError e) {
137                                 var ret = new Json.Object();
138                                 ret.set_boolean_member("success", false);
139                                 ret.set_string_member("message", e.message);
140                             this.compiled(ret);
141                         }
142                          
143                 }
144                 public void spawnResult(int res, string output, string stderr)
145                 {
146                          
147                                 
148                         try { 
149                                 GLib.debug("GOT output %s", output);
150                                 
151                                 var pa = new Json.Parser();
152                                 pa.load_from_data(output);
153                                 var node = pa.get_root();
154
155                                 if (node.get_node_type () != Json.NodeType.OBJECT) {
156                                         throw new ValaSourceError.INVALID_FORMAT ("Unexpected element type %s", node.type_name ());
157                                 }
158                                 var ret = node.get_object ();
159                                 ret.set_int_member("line_offset", this.line_offset);
160                                 if (result_callback == null) {
161                                         print ("no callback?");
162                                         return;
163                                 }
164                                 this.compiled(ret);
165                                 
166                                 
167                         } catch (Error e) {
168                                 var ret = new Json.Object();
169                                 ret.set_boolean_member("success", false);
170                                 ret.set_string_member("message", e.message);
171                                 this.compiled(ret);
172                         }
173                         //compiler.unref();
174                         //tmpfile.unref();
175                          
176                         
177                         
178                 }
179         }
180                  
181 }
182 /*
183 int main (string[] args) {
184
185         var a = new ValaSource(file);
186         a.create_valac_tree();
187         return 0;
188 }
189 */
190
191