1 | /* |
2 | * $Id: CniFwdTypePrinter.java,v 1.2 2004/05/18 23:10:52 hastings Exp $ |
3 | * |
4 | * (c) Copyright, Moebius Solutions, Inc., 2004 |
5 | * |
6 | * All Rights Reserved |
7 | * |
8 | * This material may be reproduced by or for the U. S. Government |
9 | * pursuant to the copyright license under the clause at |
10 | * DFARS 252.227-7014 (OCT 2001). |
11 | */ |
12 | |
13 | package com.moesol.generator.printer; |
14 | |
15 | import java.io.*; |
16 | |
17 | import com.moesol.generator.core.JniMangleFilterWriter; |
18 | import com.moesol.generator.core.VisitClassName; |
19 | import com.moesol.generator.visitor.*; |
20 | |
21 | /** |
22 | * Print types out in a manner suitable for interfacing with Cni, |
23 | * including return types and parameters. |
24 | */ |
25 | public class CniFwdTypePrinter extends JniTypePrinter { |
26 | protected CniFwdTypePrinter() { } |
27 | private static CniFwdTypePrinter instance = new CniFwdTypePrinter(); |
28 | public static JniTypePrinter getInstance() { |
29 | return instance; |
30 | } |
31 | |
32 | protected void primitiveCxxType(Writer out, Class type) throws IOException { |
33 | } |
34 | protected void arrayCxxType(Writer out, Class type) throws IOException { |
35 | } |
36 | protected void objectCxxType(Writer out, Class type) throws IOException { |
37 | BuildCxxName v = new BuildCxxName(out); |
38 | try { |
39 | VisitClassName.visit(type, v); |
40 | } catch (WrapIOException e) { |
41 | throw (IOException)e.getCause(); |
42 | } |
43 | } |
44 | private static class WrapIOException extends RuntimeException { |
45 | public WrapIOException(IOException e) { |
46 | super(e); |
47 | } |
48 | } |
49 | private static class BuildCxxName implements ClassNameVisitor { |
50 | public BuildCxxName(Writer out) { |
51 | m_out = out; |
52 | m_mangled_out = new JniMangleFilterWriter(out); |
53 | } |
54 | public void visitPartName(String name) { |
55 | try { |
56 | m_out.write("namespace "); |
57 | m_mangled_out.write(name); |
58 | m_out.write(" { "); |
59 | m_opens++; |
60 | } catch (IOException e) { |
61 | throw new WrapIOException(e); |
62 | } |
63 | } |
64 | public void visitClassName(String name) { |
65 | try { |
66 | m_out.write("class "); |
67 | m_mangled_out.write(name); |
68 | m_out.write(";"); |
69 | for (int i = 0; i < m_opens; i++) { |
70 | m_out.write(" } "); |
71 | } |
72 | m_out.write("\n"); |
73 | } catch (IOException e) { |
74 | throw new WrapIOException(e); |
75 | } |
76 | } |
77 | private int m_opens = 0; |
78 | private Writer m_out; |
79 | private JniMangleFilterWriter m_mangled_out; |
80 | } |
81 | } |