Mercurial Hosting > luan
view core/src/luan/LuanSource.java @ 190:04b86428dc50
minor
git-svn-id: https://luan-java.googlecode.com/svn/trunk@191 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Thu, 26 Jun 2014 18:20:54 +0000 |
parents | 3dcb0f9bee82 |
children | b48cfa14ba60 |
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package luan; public final class LuanSource { public final String name; public final String text; public LuanSource(String name,String text) { this.name = name; this.text = text; } public static final class CompilerElement extends LuanElement { public final LuanSource source; public CompilerElement(LuanSource source) { if( source==null ) throw new NullPointerException("source is null"); this.source = source; } @Override String location() { return "Compiling " + source.name; } } public static final class Element extends LuanElement { public final LuanSource source; public final int start; public final int end; private final String text; public Element(LuanSource source,int start,int end) { this(source,start,end,null); } public Element(LuanSource source,int start,int end,String text) { if( source==null ) throw new NullPointerException("source is null"); this.source = source; this.start = start; while( end > 0 && Character.isWhitespace(source.text.charAt(end-1)) ) { end--; } this.end = end; this.text = text; } public String text() { return text!=null ? text : source.text.substring(start,end); } @Override String location() { return source.name + ':' + lineNumber(); } private int lineNumber() { int line = 0; int i = -1; do { line++; i = source.text.indexOf('\n',i+1); } while( i != -1 && i < start ); return line; } } }