Fixed some errors in line counting

src/org/jetbrains/java/decompiler/main/ClassWriter.java

@@ -182,8 +182,8 @@ public class ClassWriter {
       int start_class_def = buffer.length();
       writeClassDefinition(node, buffer, indent);
 
-      // count lines in class definition the easiest way
-      total_offset_lines = buffer.substring(start_class_def).toString().split(lineSeparator, -1).length - 1;
+//      // count lines in class definition the easiest way
+//      total_offset_lines = buffer.substring(start_class_def).toString().split(lineSeparator, -1).length - 1;
 
       boolean hasContent = false;
 
@@ -220,6 +220,9 @@ public class ClassWriter {
         buffer.append(lineSeparator);
       }
 
+      // FIXME: fields don't matter at the moment
+      total_offset_lines = buffer.substring(start_class_def).toString().split(lineSeparator, -1).length - 1;
+
       // methods
       for (StructMethod mt : cl.getMethods()) {
         boolean hide = mt.isSynthetic() && DecompilerContext.getOption(IFernflowerPreferences.REMOVE_SYNTHETIC) ||
@@ -237,7 +240,7 @@ public class ClassWriter {
           hasContent = true;
           DecompilerContext.getBytecodeSourceMapper().addTracer(cl.qualifiedName,
                                   InterpreterUtil.makeUniqueKey(mt.getName(), mt.getDescriptor()), method_tracer);
-          total_offset_lines = method_tracer.getCurrentSourceline();
+          total_offset_lines = (method_tracer.getCurrentSourceLine() + 1); // zero-based line index
         }
         else {
           buffer.setLength(position);
@@ -805,7 +808,7 @@ public class ClassWriter {
         if (root != null && !methodWrapper.decompiledWithErrors) { // check for existence
           try {
 
-            tracer.setCurrentSourceline(buffer.substring(start_index_method).split(lineSeparator, -1).length - 1);
+            tracer.incrementCurrentSourceLine(buffer.substring(start_index_method).split(lineSeparator, -1).length - 1);
 
             String code = root.toJava(indent + 1, tracer);
 
@@ -836,7 +839,7 @@ public class ClassWriter {
 
     // save total lines
     // TODO: optimize
-    tracer.setCurrentSourceline(buffer.substring(start_index_method).split(lineSeparator, -1).length - 1);
+    tracer.setCurrentSourceLine(buffer.substring(start_index_method).split(lineSeparator, -1).length - 1);
 
     return !hideMethod;
   }

src/org/jetbrains/java/decompiler/main/ClassesProcessor.java

@@ -268,7 +268,7 @@ public class ClassesProcessor {
 
       int index = cl.qualifiedName.lastIndexOf("/");
       if (index >= 0) {
-        total_offset_lines++;
+        total_offset_lines+=2;
         String packageName = cl.qualifiedName.substring(0, index).replace('/', '.');
 
         buffer.append("package ");
@@ -283,6 +283,7 @@ public class ClassesProcessor {
         buffer.append(lineSeparator);
         total_offset_lines += import_lines_written + 1;
       }
+      //buffer.append(lineSeparator);
 
       buffer.append(classBuffer);
 

src/org/jetbrains/java/decompiler/main/collectors/BytecodeMappingTracer.java

@@ -1,6 +1,7 @@
 package org.jetbrains.java.decompiler.main.collectors;
 
 import java.util.HashMap;
+import java.util.Map.Entry;
 import java.util.Set;
 
 public class BytecodeMappingTracer {
@@ -16,14 +17,20 @@ public class BytecodeMappingTracer {
     current_sourceline = initial_source_line;
   }
 
-  public void incrementSourceLine() {
+  public void incrementCurrentSourceLine() {
     current_sourceline++;
   }
 
-  public void incrementSourceLine(int number_lines) {
+  public void incrementCurrentSourceLine(int number_lines) {
     current_sourceline += number_lines;
   }
 
+  public void shiftSourceLines(int shift) {
+    for(Entry<Integer, Integer> entry : mapping.entrySet()) {
+      entry.setValue(entry.getValue() + shift);
+    }
+  }
+
   public void addMapping(int bytecode_offset) {
     if(!mapping.containsKey(bytecode_offset)) {
       mapping.put(bytecode_offset, current_sourceline);
@@ -38,15 +45,25 @@ public class BytecodeMappingTracer {
     }
   }
 
+  public void addTracer(BytecodeMappingTracer tracer) {
+    if(tracer != null) {
+      for(Entry<Integer, Integer> entry : tracer.mapping.entrySet()) {
+        if(!mapping.containsKey(entry.getKey())) {
+          mapping.put(entry.getKey(), entry.getValue());
+        }
+      }
+    }
+  }
+
   public HashMap<Integer, Integer> getMapping() {
     return mapping;
   }
 
-  public int getCurrentSourceline() {
+  public int getCurrentSourceLine() {
     return current_sourceline;
   }
 
-  public void setCurrentSourceline(int current_sourceline) {
+  public void setCurrentSourceLine(int current_sourceline) {
     this.current_sourceline = current_sourceline;
   }
 

src/org/jetbrains/java/decompiler/main/collectors/BytecodeSourceMapper.java

@@ -59,7 +59,7 @@ public class BytecodeSourceMapper {
         buffer.append(indentstr1 + "method " + method_entry.getKey() + "{" + lineSeparator);
 
         for(Entry<Integer, Integer> line : method_mapping.entrySet()) {
-          buffer.append(indentstr2 + line.getKey() + indentstr2 + line.getValue() + lineSeparator);
+          buffer.append(indentstr2 + line.getKey() + indentstr2 + (line.getValue() +offset_total) + lineSeparator);
         }
         buffer.append(indentstr1 + "}" + lineSeparator);
         is_first_method = false;

src/org/jetbrains/java/decompiler/modules/decompiler/ExprProcessor.java

@@ -778,13 +778,13 @@ public class ExprProcessor implements CodeConstants {
           buf.append(" label").append(edge.closure.id);
         }
         buf.append(";").append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
       }
     }
 
     if (buf.length() == 0 && semicolon) {
       buf.append(InterpreterUtil.getIndentString(indent)).append(";").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     return buf.toString();
@@ -828,7 +828,7 @@ public class ExprProcessor implements CodeConstants {
           buf.append(";");
         }
         buf.append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
       }
     }
 

src/org/jetbrains/java/decompiler/modules/decompiler/stats/CatchAllStatement.java

@@ -124,7 +124,7 @@ public class CatchAllStatement extends Statement {
     boolean labeled = isLabeled();
     if (labeled) {
       buf.append(indstr).append("label").append(this.id).append(":").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     List<StatEdge> lstSuccs = first.getSuccessorEdges(STATEDGE_DIRECT_ALL);
@@ -137,30 +137,30 @@ public class CatchAllStatement extends Statement {
     }
     else {
       buf.append(indstr).append("try {").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
       buf.append(ExprProcessor.jmpWrapper(first, indent + 1, true, tracer));
       buf.append(indstr).append("}");
     }
 
     buf.append(isFinally ? " finally" :
                " catch (" + vars.get(0).toJava(indent, tracer) + ")").append(" {").append(new_line_separator);
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
 
     if (monitor != null) {
       indstr1 = InterpreterUtil.getIndentString(indent + 1);
       buf.append(indstr1).append("if(").append(monitor.toJava(indent, tracer)).append(") {").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     buf.append(ExprProcessor.jmpWrapper(handler, indent + 1 + (monitor != null ? 1 : 0), true, tracer));
 
     if (monitor != null) {
       buf.append(indstr1).append("}").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     buf.append(indstr).append("}").append(new_line_separator);
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
 
     return buf.toString();
   }

src/org/jetbrains/java/decompiler/modules/decompiler/stats/CatchStatement.java

@@ -160,11 +160,11 @@ public class CatchStatement extends Statement {
 
     if (isLabeled()) {
       buf.append(indstr).append("label").append(this.id).append(":").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     buf.append(indstr).append("try {").append(new_line_separator);
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
 
     buf.append(ExprProcessor.jmpWrapper(first, indent + 1, true, tracer));
     buf.append(indstr).append("}");
@@ -183,14 +183,14 @@ public class CatchStatement extends Statement {
       }
       buf.append(vars.get(i - 1).toJava(indent, tracer));
       buf.append(") {").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
       buf.append(ExprProcessor.jmpWrapper(stats.get(i), indent + 1, true, tracer)).append(indstr)
         .append("}");
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
     buf.append(new_line_separator);
 
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
     return buf.toString();
   }
 

src/org/jetbrains/java/decompiler/modules/decompiler/stats/DoStatement.java

@@ -102,39 +102,39 @@ public class DoStatement extends Statement {
 
     if (isLabeled()) {
       buf.append(indstr).append("label").append(this.id).append(":").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     switch (looptype) {
       case LOOP_DO:
         buf.append(indstr).append("while(true) {").append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
         buf.append(ExprProcessor.jmpWrapper(first, indent + 1, true, tracer));
         buf.append(indstr).append("}").append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
         break;
       case LOOP_DOWHILE:
         buf.append(indstr).append("do {").append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
         buf.append(ExprProcessor.jmpWrapper(first, indent + 1, true, tracer));
         buf.append(indstr).append("} while(").append(conditionExprent.get(0).toJava(indent, tracer)).append(");").append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
         break;
       case LOOP_WHILE:
         buf.append(indstr).append("while(").append(conditionExprent.get(0).toJava(indent, tracer)).append(") {").append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
         buf.append(ExprProcessor.jmpWrapper(first, indent + 1, true, tracer));
         buf.append(indstr).append("}").append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
         break;
       case LOOP_FOR:
         buf.append(indstr).append("for(").append(initExprent.get(0) == null ? "" : initExprent.get(0).toJava(indent, tracer)).append("; ")
           .append(conditionExprent.get(0).toJava(indent, tracer)).append("; ").append(incExprent.get(0).toJava(indent, tracer)).append(") {")
           .append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
         buf.append(ExprProcessor.jmpWrapper(first, indent + 1, true, tracer));
         buf.append(indstr).append("}").append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
     }
 
     return buf.toString();

src/org/jetbrains/java/decompiler/modules/decompiler/stats/IfStatement.java

@@ -211,11 +211,11 @@ public class IfStatement extends Statement {
 
     if (isLabeled()) {
       buf.append(indstr).append("label").append(this.id).append(":").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     buf.append(indstr).append(headexprent.get(0).toJava(indent, tracer)).append(" {").append(new_line_separator);
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
 
     if (ifstat == null) {
       buf.append(InterpreterUtil.getIndentString(indent + 1));
@@ -235,7 +235,7 @@ public class IfStatement extends Statement {
         }
       }
       buf.append(";").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
     else {
       buf.append(ExprProcessor.jmpWrapper(ifstat, indent + 1, true, tracer));
@@ -258,11 +258,15 @@ public class IfStatement extends Statement {
         elseif = true;
       }
       else {
-        String content = ExprProcessor.jmpWrapper(elsestat, indent + 1, false, tracer);
+        BytecodeMappingTracer else_tracer = new BytecodeMappingTracer(tracer.getCurrentSourceLine());
+        String content = ExprProcessor.jmpWrapper(elsestat, indent + 1, false, else_tracer);
 
         if (content.length() > 0) {
           buf.append(indstr).append("} else {").append(new_line_separator);
-          tracer.incrementSourceLine(); // FIXME: wrong order
+
+          else_tracer.shiftSourceLines(1);
+          tracer.setCurrentSourceLine(else_tracer.getCurrentSourceLine() + 1);
+          tracer.addTracer(else_tracer);
 
           buf.append(content);
         }
@@ -271,7 +275,7 @@ public class IfStatement extends Statement {
 
     if (!elseif) {
       buf.append(indstr).append("}").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     return buf.toString();

src/org/jetbrains/java/decompiler/modules/decompiler/stats/SequenceStatement.java

@@ -114,7 +114,7 @@ public class SequenceStatement extends Statement {
       indstr = InterpreterUtil.getIndentString(indent);
       indent++;
       buf.append(indstr).append("label").append(this.id).append(": {").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     boolean notempty = false;
@@ -125,7 +125,7 @@ public class SequenceStatement extends Statement {
 
       if (i > 0 && notempty) {
         buf.append(new_line_separator);
-        tracer.incrementSourceLine();
+        tracer.incrementCurrentSourceLine();
       }
 
       String str = ExprProcessor.jmpWrapper(st, indent, false, tracer);
@@ -136,7 +136,7 @@ public class SequenceStatement extends Statement {
 
     if (islabeled) {
       buf.append(indstr).append("}").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     return buf.toString();

src/org/jetbrains/java/decompiler/modules/decompiler/stats/SwitchStatement.java

@@ -119,11 +119,11 @@ public class SwitchStatement extends Statement {
 
     if (isLabeled()) {
       buf.append(indstr).append("label").append(this.id).append(":").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     buf.append(indstr).append(headexprent.get(0).toJava(indent, tracer)).append(" {").append(new_line_separator);
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
 
     VarType switch_type = headexprent.get(0).getExprType();
 
@@ -136,14 +136,14 @@ public class SwitchStatement extends Statement {
       for (int j = 0; j < edges.size(); j++) {
         if (edges.get(j) == default_edge) {
           buf.append(indstr).append("default:").append(new_line_separator);
-          tracer.incrementSourceLine();
+          tracer.incrementCurrentSourceLine();
         }
         else {
           ConstExprent value = (ConstExprent)values.get(j).copy();
           value.setConsttype(switch_type);
 
           buf.append(indstr).append("case ").append(value.toJava(indent, tracer)).append(":").append(new_line_separator);
-          tracer.incrementSourceLine();
+          tracer.incrementCurrentSourceLine();
         }
       }
 
@@ -151,7 +151,7 @@ public class SwitchStatement extends Statement {
     }
 
     buf.append(indstr).append("}").append(new_line_separator);
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
 
     return buf.toString();
   }

src/org/jetbrains/java/decompiler/modules/decompiler/stats/SynchronizedStatement.java

@@ -80,17 +80,17 @@ public class SynchronizedStatement extends Statement {
 
     if (isLabeled()) {
       buf.append(indstr).append("label").append(this.id).append(":").append(new_line_separator);
-      tracer.incrementSourceLine();
+      tracer.incrementCurrentSourceLine();
     }
 
     buf.append(indstr).append(headexprent.get(0).toJava(indent, tracer)).append(" {").append(new_line_separator);
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
 
     buf.append(ExprProcessor.jmpWrapper(body, indent + 1, true, tracer));
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
 
     buf.append(indstr).append("}").append(new_line_separator);
-    tracer.incrementSourceLine();
+    tracer.incrementCurrentSourceLine();
 
     return buf.toString();
   }