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comparison src/luan/parser/ParseException.java @ 118:735708619119

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add Debug.debug() git-svn-id: https://luan-java.googlecode.com/svn/trunk@119 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Sun, 01 Jun 2014 07:07:31 +0000
parents 754e6030c029
children
comparison
equal deleted inserted replaced
117:e935581cf9fb 118:735708619119
1 package luan.parser; 1 package luan.parser;
2
3 import luan.LuanSource;
2 4
3 5
4 public class ParseException extends Exception { 6 public class ParseException extends Exception {
5 public final String text; 7 public final LuanSource src;
6 public final int iCurrent; 8 public final int iCurrent;
7 public final int iHigh; 9 public final int iHigh;
8 10
9 ParseException(String msg,String text,int iCurrent,int iHigh) { 11 ParseException(String msg,LuanSource src,int iCurrent,int iHigh) {
10 super(msg); 12 super(msg);
11 this.text = text; 13 this.src = src;
12 this.iCurrent = iCurrent; 14 this.iCurrent = iCurrent;
13 this.iHigh = iHigh; 15 this.iHigh = iHigh;
14 //System.out.println("iCurrent = "+iCurrent); 16 //System.out.println("iCurrent = "+iCurrent);
15 //System.out.println("iHigh = "+iHigh); 17 //System.out.println("iHigh = "+iHigh);
16 } 18 }
21 23
22 Location(int index) { 24 Location(int index) {
23 int line = 0; 25 int line = 0;
24 int i = -1; 26 int i = -1;
25 while(true) { 27 while(true) {
26 int j = text.indexOf('\n',i+1); 28 int j = src.text.indexOf('\n',i+1);
27 if( j == -1 || j > index ) 29 if( j == -1 || j >= index )
28 break; 30 break;
29 i = j; 31 i = j;
30 line++; 32 line++;
31 } 33 }
32 this.line = line; 34 this.line = line;
33 this.pos = index - i - 1; 35 this.pos = index - i - 1;
34 } 36 }
35 } 37 }
36 38
37 private String[] lines() { 39 private String[] lines() {
38 return text.split("\n",-1); 40 return src.text.split("\n",-1);
39 } 41 }
40 42
41 public String getFancyMessage() { 43 public String getFancyMessage() {
42 Location loc = new Location(iCurrent); 44 Location loc = new Location(iCurrent);
43 String line = lines()[loc.line]; 45 String line = lines()[loc.line];
44 String msg = getMessage() + " (line " + (loc.line+1) + ", pos " + (loc.pos+1) + ")\n"; 46 String msg = getMessage() + " (line " + (loc.line+1) + ", pos " + (loc.pos+1) + ") in " + src.name + "\n";
45 StringBuilder sb = new StringBuilder(msg); 47 StringBuilder sb = new StringBuilder(msg);
46 sb.append( line + "\n" ); 48 sb.append( line + "\n" );
47 for( int i=0; i<loc.pos; i++ ) { 49 for( int i=0; i<loc.pos; i++ ) {
48 sb.append( line.charAt(i)=='\t' ? '\t' : ' ' ); 50 sb.append( line.charAt(i)=='\t' ? '\t' : ' ' );
49 } 51 }