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annotate base/src/java/nonstandard/SharedLib.d @ 113:fb3aa8075988

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D2 support for the linux port.
author Jacob Carlborg <doob@me.com>
date Wed, 06 Apr 2011 21:57:23 +0200
parents 9f4c18c268b2
children
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1 module java.nonstandard.SharedLib;
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3 import java.lang.all;
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4 version(Tango){
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5 static import tango.sys.SharedLib;
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6 static import tango.stdc.stringz;
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7 } else { // Phobos
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8 import std.loader;
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9 }
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10
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11 struct Symbol {
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12 String name;
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13 void** symbol;
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14 }
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15
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16 struct SymbolVersioned2 {
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17 String name;
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18 void** symbol;
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19 int major;
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20 int minor;
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21 }
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22
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23 struct SharedLib {
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24 static void loadLibSymbols( SymbolVersioned2[] symbols, String libname, int major, int minor ){
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25 version(Tango){
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26 if (auto lib = tango.sys.SharedLib.SharedLib.load(libname)) {
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27 foreach( ref s; symbols ){
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28 if( s.major > major ) continue;
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29 if( s.major == major && s.minor > minor ) continue;
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30 *s.symbol = lib.getSymbol( tango.stdc.stringz.toStringz(s.name ) );
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31 if( s.symbol is null ){
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32 getDwtLogger.error( __FILE__, __LINE__, "{}: Symbol '{}' not found", libname, s.name );
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33 }
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34 }
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35 } else {
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36 getDwtLogger.error( __FILE__, __LINE__, "Could not load the library {}", libname );
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37 }
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38 } else { // Phobos
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39 if (auto lib = ExeModule_Load(libname)) {
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40 foreach( ref s; symbols ){
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41 if( s.major > major ) continue;
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42 if( s.major == major && s.minor > minor ) continue;
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43 *s.symbol = ExeModule_GetSymbol( lib, s.name );
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44 if( s.symbol is null ){
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45 getDwtLogger.error( __FILE__, __LINE__, "{}: Symbol '{}' not found", libname, s.name );
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46 }
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47 }
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48 } else {
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49 getDwtLogger.error( __FILE__, __LINE__, "Could not load the library {}", libname );
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50 }
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51 }
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52 }
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53 static void loadLibSymbols( Symbol[] symbols, String libname ){
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54 version(Tango){
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55 if (auto lib = tango.sys.SharedLib.SharedLib.loadNoThrow(libname)) {
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56 foreach( ref s; symbols ){
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57 *s.symbol = lib.getSymbolNoThrow( tango.stdc.stringz.toStringz(s.name ) );
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58 if( *s.symbol is null ){
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59 //getDwtLogger.error( __FILE__, __LINE__, "{}: Symbol '{}' not found", libname, s.name );
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60 }
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61 }
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62 } else {
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63 getDwtLogger.error( __FILE__, __LINE__, "Could not load the library {}", libname );
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64 }
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65 } else { // Phobos
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66 if (auto lib = ExeModule_Load(libname)) {
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67 foreach( ref s; symbols ){
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68 *s.symbol = ExeModule_GetSymbol( lib, s.name );
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69 if( *s.symbol is null ){
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70 //getDwtLogger.error( __FILE__, __LINE__, "{}: Symbol '{}' not found", libname, s.name );
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71 }
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72 }
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73 } else {
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74 getDwtLogger.error( __FILE__, __LINE__, "Could not load the library {}", libname );
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75 }
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76 }
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77 }
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78 static bool tryUseSymbol( String symbolname, String libname, void delegate( void*) dg ){
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79 bool result = false;
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80 version(Tango){
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81 if (auto lib = tango.sys.SharedLib.SharedLib.load( libname ) ) {
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82 void* ptr = lib.getSymbol( tango.stdc.stringz.toStringz(symbolname));
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83 if (ptr !is null){
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84 dg(ptr);
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85 result = true;
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86 }
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87 lib.unload();
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88 }
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89 } else { // Phobos
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90 if (auto lib = ExeModule_Load( libname ) ) {
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91 void* ptr = ExeModule_GetSymbol( lib, symbolname );
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92 if (ptr !is null){
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93 dg(ptr);
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94 result = true;
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95 }
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96 ExeModule_Release( lib );
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97 }
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98 }
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99 return result;
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100 }
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101 }
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