1 /************************************************************************
2  *
3  * Copyright 2012 Jonatan Liljedahl <lijon@kymatica.com>
4  *
5  * This program is free software: you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation, either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17  *
18  ************************************************************************/
19 
20 #include "GC.h"
21 #include "PyrKernel.h"
22 #include "PyrPrimitive.h"
23 #include "PyrSymbol.h"
24 #include "SCBase.h"
25 
26 #include <stdlib.h>
27 #include <string.h>
28 #include <stdarg.h>
29 #include <cerrno>
30 
31 // extern "C" {
32 #include "SCDoc.h"
33 //}
34 
35 PyrSymbol* s_scdoc_node;
36 
_doc_traverse(struct VMGlobals * g,DocNode * n,PyrObject * parent,PyrSlot * slot)37 static void _doc_traverse(struct VMGlobals* g, DocNode* n, PyrObject* parent, PyrSlot* slot) {
38     PyrObject* result = instantiateObject(g->gc, s_scdoc_node->u.classobj, 0, false, true);
39     SetObject(slot, result);
40     if (parent) {
41         assert(isKindOf(parent, class_array));
42         g->gc->GCWriteNew(parent, result); // we know result is white so we can use GCWriteNew
43         parent->size++;
44     }
45 
46     // initialise the instance vars
47     PyrSymbol* id = getsym(n->id);
48     SetSymbol(result->slots, id); // id
49 
50     // text
51     if (n->text) {
52         PyrObject* str = (PyrObject*)newPyrString(g->gc, n->text, 0, true);
53         SetObject(result->slots + 1, str);
54         g->gc->GCWriteNew(result, str); // we know str is white so we can use GCWriteNew
55     }
56 
57     // children
58     if (n->n_childs) {
59         PyrObject* array = newPyrArray(g->gc, n->n_childs, 0, true);
60         SetObject(result->slots + 2, array);
61         g->gc->GCWriteNew(result, array); // we know array is white so we can use GCWriteNew
62         for (int i = 0; i < n->n_childs; i++) {
63             _doc_traverse(g, n->children[i], array, array->slots + i);
64         }
65     }
66     // makeDiv, notPrivOnly, sort remain nil for now
67 }
68 
69 
prSCDoc_ParseFile(struct VMGlobals * g,int numArgsPushed)70 int prSCDoc_ParseFile(struct VMGlobals* g, int numArgsPushed) {
71     PyrSlot *a, *b, *c;
72     char filename[PATH_MAX];
73     int mode, err;
74 
75     a = g->sp - 2;
76     b = g->sp - 1;
77     c = g->sp;
78 
79     err = slotStrVal(b, filename, PATH_MAX);
80     if (err)
81         return err;
82 
83     err = slotIntVal(c, &mode);
84     if (err)
85         return err;
86 
87     DocNode* n = scdoc_parse_file(filename, mode);
88     if (n) {
89         //        doc_node_dump(n);
90         _doc_traverse(g, n, NULL, a);
91         doc_node_free_tree(n);
92     } else {
93         SetNil(a);
94     }
95     return errNone;
96 }
97 
initSCDocPrimitives()98 void initSCDocPrimitives() {
99     int base, index = 0;
100 
101     s_scdoc_node = getsym("SCDocNode");
102 
103     base = nextPrimitiveIndex();
104 
105     definePrimitive(base, index++, "_SCDoc_ParseFile", prSCDoc_ParseFile, 3, 0);
106 }
107