Mercurial Hosting > luan

comparison core/src/luan/LuanException.java @ 772:bffbef96ca6d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add public static methods to LuanException for building luan stack traces
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 23 Aug 2016 00:23:36 -0600
parents ca169567ce07
children
comparison
equal deleted inserted replaced
771:dcae4dd718b8 772:bffbef96ca6d
106 StringWriter sw = new StringWriter(); 106 StringWriter sw = new StringWriter();
107 th.printStackTrace(new PrintWriter(sw)); 107 th.printStackTrace(new PrintWriter(sw));
108 return sw.toString(); 108 return sw.toString();
109 } 109 }
110 110
111 private List<StackTraceElement> justLuan() { 111 public static List<StackTraceElement> justLuan(StackTraceElement[] orig) {
112 List<StackTraceElement> list = new ArrayList<StackTraceElement>(); 112 List<StackTraceElement> list = new ArrayList<StackTraceElement>();
113 StackTraceElement[] orig = getStackTrace();
114 for( int i=0; i<orig.length; i++ ) { 113 for( int i=0; i<orig.length; i++ ) {
115 StackTraceElement ste = orig[i]; 114 StackTraceElement ste = orig[i];
116 if( !ste.getClassName().startsWith("luan.impl.EXP") ) 115 if( !ste.getClassName().startsWith("luan.impl.EXP") )
117 continue; 116 continue;
118 list.add(ste); 117 list.add(ste);
120 i++; 119 i++;
121 } 120 }
122 return list; 121 return list;
123 } 122 }
124 123
124 public static String toString(StackTraceElement ste) {
125 StringBuilder sb = new StringBuilder();
126 sb.append( ste.getFileName() ).append( " line " ).append( ste.getLineNumber() );
127 String method = ste.getMethodName();
128 if( !method.equals("doCall") )
129 sb.append( " in function '" ).append( method.substring(1) ).append( "'" );
130 return sb.toString();
131 }
132
125 public String getLuanStackTraceString() { 133 public String getLuanStackTraceString() {
126 StringBuilder sb = new StringBuilder(); 134 StringBuilder sb = new StringBuilder();
127 sb.append( getMessage() ); 135 sb.append( getMessage() );
128 for( StackTraceElement ste : justLuan() ) { 136 for( StackTraceElement ste : justLuan(getStackTrace()) ) {
129 sb.append( "\n\t" ).append( ste.getFileName() ).append( " line " ).append( ste.getLineNumber() ); 137 sb.append( "\n\t" ).append( toString(ste) );
130 String method = ste.getMethodName();
131 if( !method.equals("doCall") )
132 sb.append( " in function '" ).append( method.substring(1) ).append( "'" );
133 } 138 }
134 Throwable cause = getCause(); 139 Throwable cause = getCause();
135 if( cause != null ) 140 if( cause != null )
136 sb.append( "\nCaused by: " ).append( getJavaStackTraceString(cause) ); 141 sb.append( "\nCaused by: " ).append( getJavaStackTraceString(cause) );
137 return sb.toString(); 142 return sb.toString();
138 } 143 }
139 144
140 public static String currentSource() { 145 public static String currentSource() {
141 LuanException ex = new LuanException("currentSource"); 146 LuanException ex = new LuanException("currentSource");
142 List<StackTraceElement> st = ex.justLuan(); 147 List<StackTraceElement> st = ex.justLuan(ex.getStackTrace());
143 return st.isEmpty() ? null : st.get(0).getFileName(); 148 return st.isEmpty() ? null : st.get(0).getFileName();
144 } 149 }
145 150
146 } 151 }