Mercurial > projects > dwt2
view base/src/java/lang/System.d @ 112:9f4c18c268b2
Update to compile and execute with dmd 2.052.
author | kntroh |
---|---|
date | Wed, 16 Mar 2011 21:53:53 +0900 |
parents | bbe49769ec18 |
children | 536e43f63c81 |
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/** * Authors: Frank Benoit <keinfarbton@googlemail.com> */ module java.lang.System; import java.lang.util; import java.lang.exceptions; import java.io.PrintStream; version(Tango){ static import tango.sys.Environment; static import tango.core.Exception; static import tango.io.model.IFile; static import tango.time.Clock; static import tango.stdc.stdlib; } else { // Phobos static import std.c.stdlib; static import std.datetime; static import std.path; } template SimpleType(T) { debug{ static void validCheck(uint SrcLen, uint DestLen, uint copyLen){ if(SrcLen < copyLen || DestLen < copyLen|| SrcLen < 0 || DestLen < 0){ //Util.trace("Error : SimpleType.arraycopy(), out of bounds."); assert(0); } } } static void remove(ref T[] items, int index) { if(items.length == 0) return; if(index < 0 || index >= items.length){ throw new ArrayIndexOutOfBoundsException(__FILE__, __LINE__); } T element = items[index]; int length = items.length; if(length == 1){ items.length = 0; return;// element; } if(index == 0) items = items[1 .. $]; else if(index == length - 1) items = items[0 .. index]; else items = items[0 .. index] ~ items[index + 1 .. $]; } static void insert(ref T[] items, T item, int index = -1) { if(index == -1) index = items.length; if(index < 0 || index > items.length ){ throw new ArrayIndexOutOfBoundsException(__FILE__, __LINE__); } if(index == items.length){ items ~= item; }else if(index == 0){ T[] newVect; newVect ~= item; items = newVect ~ items; }else if(index < items.length ){ T[] arr1 = items[0 .. index]; T[] arr2 = items[index .. $]; // Important : if you write like the following commented, // you get wrong data // code: T[] arr1 = items[0..index]; // T[] arr2 = items[index..$]; // items = arr1 ~ item; // error, !!! // items ~= arr2; // item replace the arrr2[0] here items = arr1 ~ item ~ arr2; } } version(D_Version2){ mixin("alias const(T) CT;"); } else { // D1 alias T CT; } static void arraycopy(CT[] src, uint srcPos, T[] dest, uint destPos, uint len) { if(len == 0) return; assert(src); assert(dest); debug{validCheck(src.length - srcPos, dest.length - destPos, len);} // overlapping? if((src.ptr <= dest.ptr && src.ptr + len > dest.ptr) ||(src.ptr >= dest.ptr && src.ptr < dest.ptr + len)){ if( destPos < srcPos ){ for(int i=0; i<len; ++i){ dest[destPos+i] = cast(T)src[srcPos+i]; } } else{ for(int i=len-1; i>=0; --i){ dest[destPos+i] = cast(T)src[srcPos+i]; } } }else{ dest[destPos..(len+destPos)] = cast(T[])src[srcPos..(len+srcPos)]; } } } class System { static void arraycopyT(T)(T[] src, uint srcPos, T[] dest, uint destPos, uint len) { if(len == 0) return; assert(src); assert(dest); debug{validCheck(src.length - srcPos, dest.length - destPos, len);} // overlapping? if((src.ptr <= dest.ptr && src.ptr + len > dest.ptr) ||(src.ptr >= dest.ptr && src.ptr < dest.ptr + len)){ if( destPos < srcPos ){ for(int i=0; i<len; ++i){ dest[destPos+i] = cast(T)src[srcPos+i]; } } else{ for(int i=len-1; i>=0; --i){ dest[destPos+i] = cast(T)src[srcPos+i]; } } }else{ dest[destPos..(len+destPos)] = cast(T[])src[srcPos..(len+srcPos)]; } } alias SimpleType!(int).arraycopy arraycopy; alias SimpleType!(byte).arraycopy arraycopy; alias SimpleType!(double).arraycopy arraycopy; alias SimpleType!(float).arraycopy arraycopy; alias SimpleType!(short).arraycopy arraycopy; alias SimpleType!(long).arraycopy arraycopy; alias SimpleType!(uint).arraycopy arraycopy; alias SimpleType!(ushort).arraycopy arraycopy; alias SimpleType!(ubyte).arraycopy arraycopy; alias SimpleType!(ulong).arraycopy arraycopy; alias SimpleType!(char).arraycopy arraycopy; alias SimpleType!(wchar).arraycopy arraycopy; alias SimpleType!(Object).arraycopy arraycopy; alias SimpleType!(void*).arraycopy arraycopy; alias SimpleType!(int[]).arraycopy arraycopy; alias SimpleType!(byte[]).arraycopy arraycopy; alias SimpleType!(double[]).arraycopy arraycopy; alias SimpleType!(float[]).arraycopy arraycopy; alias SimpleType!(short[]).arraycopy arraycopy; alias SimpleType!(long[]).arraycopy arraycopy; alias SimpleType!(uint[]).arraycopy arraycopy; alias SimpleType!(ushort[]).arraycopy arraycopy; alias SimpleType!(ubyte[]).arraycopy arraycopy; alias SimpleType!(ulong[]).arraycopy arraycopy; alias SimpleType!(String).arraycopy arraycopy; alias SimpleType!(wchar[]).arraycopy arraycopy; alias SimpleType!(Object[]).arraycopy arraycopy; alias SimpleType!(void*[]).arraycopy arraycopy; alias SimpleType!(void*[]).arraycopy arraycopy; static long currentTimeMillis(){ version(Tango) return tango.time.Clock.Clock.now().ticks() / 10000; else return std.datetime.Clock.currStdTime(); } static void exit( int code ){ version(Tango) tango.stdc.stdlib.exit(code); else std.c.stdlib.exit(code); } public static int identityHashCode(Object x){ if( x is null ){ return 0; } return (*cast(Object *)&x).toHash(); } public static String getProperty( String key, String defval ){ String res = getProperty(key); if( res ){ return res; } return defval; } public static String getProperty( String key ){ /* Get values for local org.eclipse.swt specific keys */ String* p; if (key[0..3] == "org.eclipse.swt") { return ((p = key in localProperties) != null) ? *p : null; /* else get values for global system keys (environment) */ } else { switch( key ){ case "os.name": return "linux"; case "user.name": return ""; case "user.home": return ""; case "user.dir" : return ""; case "file.separator" : version(Tango) return tango.io.model.IFile.FileConst.PathSeparatorString ; else return std.path.sep; default: return null; } } } public static void setProperty ( String key, String value ) { /* set property for local org.eclipse.swt keys */ if (key[0..3] == "org.eclipse.swt") { if (key !is null && value !is null) localProperties[ key ] = value; /* else set properties for global system keys (environment) */ } else { } } private static PrintStream err__; public static PrintStream err(){ if( err__ is null ){ err__ = new PrintStream(null); } return err__; } private static PrintStream out__; public static PrintStream out_(){ if( out__ is null ){ out__ = new PrintStream(null); } return out__; } private static String[String] localProperties; }