util-testing/club/wpia/gigi/localisation/TranslationCollectingVisitor.java

   1 package club.wpia.gigi.localisation;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5 import java.lang.reflect.Method;
   6 import java.util.Stack;
   7
   8 import org.eclipse.jdt.internal.compiler.ASTVisitor;
   9 import org.eclipse.jdt.internal.compiler.ast.AllocationExpression;
  10 import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
  11 import org.eclipse.jdt.internal.compiler.ast.ConditionalExpression;
  12 import org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration;
  13 import org.eclipse.jdt.internal.compiler.ast.ExplicitConstructorCall;
  14 import org.eclipse.jdt.internal.compiler.ast.Expression;
  15 import org.eclipse.jdt.internal.compiler.ast.MessageSend;
  16 import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
  17 import org.eclipse.jdt.internal.compiler.ast.NullLiteral;
  18 import org.eclipse.jdt.internal.compiler.ast.QualifiedAllocationExpression;
  19 import org.eclipse.jdt.internal.compiler.ast.StringLiteral;
  20 import org.eclipse.jdt.internal.compiler.lookup.BlockScope;
  21 import org.eclipse.jdt.internal.compiler.lookup.ClassScope;
  22 import org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
  23 import org.eclipse.jdt.internal.compiler.util.Util;
  24
  25 public final class TranslationCollectingVisitor extends ASTVisitor {
  26
  27     MethodBinding cm;
  28
  29     private CompilationUnitDeclaration unit;
  30
  31     TaintSource[] ts;
  32
  33     private TranslationCollector translationCollector;
  34
  35     Stack<QualifiedAllocationExpression> anonymousConstructorCall = new Stack<>();
  36
  37     public TranslationCollectingVisitor(CompilationUnitDeclaration unit, TaintSource[] target, TranslationCollector c) {
  38         this.unit = unit;
  39         ts = target;
  40         this.translationCollector = c;
  41     }
  42
  43     @Override
  44     public boolean visit(MethodDeclaration methodDeclaration, org.eclipse.jdt.internal.compiler.lookup.ClassScope scope) {
  45         cm = methodDeclaration.binding;
  46         return true;
  47     }
  48
  49     @Override
  50     public void endVisit(MethodDeclaration methodDeclaration, org.eclipse.jdt.internal.compiler.lookup.ClassScope scope) {
  51         cm = null;
  52     }
  53
  54     @Override
  55     public boolean visit(ConstructorDeclaration constructorDeclaration, ClassScope scope) {
  56         cm = constructorDeclaration.binding;
  57         return super.visit(constructorDeclaration, scope);
  58     }
  59
  60     @Override
  61     public void endVisit(ConstructorDeclaration constructorDeclaration, ClassScope scope) {
  62         cm = null;
  63     }
  64
  65     @Override
  66     public boolean visit(AllocationExpression allocationExpression, BlockScope scope) {
  67         TaintSource test = new TaintSource(allocationExpression.binding);
  68         for (TaintSource taintSource : ts) {
  69             if (taintSource.equals(test)) {
  70                 check(null, scope, allocationExpression.arguments[taintSource.getTgt()], allocationExpression.toString());
  71                 return true;
  72             }
  73         }
  74         return super.visit(allocationExpression, scope);
  75     }
  76
  77     @Override
  78     public boolean visit(QualifiedAllocationExpression qualifiedAllocationExpression, BlockScope scope) {
  79         anonymousConstructorCall.push(qualifiedAllocationExpression);
  80         return super.visit(qualifiedAllocationExpression, scope);
  81     }
  82
  83     @Override
  84     public void endVisit(QualifiedAllocationExpression qualifiedAllocationExpression, BlockScope scope) {
  85         if (anonymousConstructorCall.pop() != qualifiedAllocationExpression) {
  86             throw new Error("stack illegally manipulated");
  87         }
  88     }
  89
  90     @Override
  91     public boolean visit(ExplicitConstructorCall explicitConstructor, BlockScope scope) {
  92
  93         TaintSource t = new TaintSource(explicitConstructor.binding);
  94
  95         for (TaintSource t0 : ts) {
  96             if (t0.equals(t)) {
  97                 Expression[] ags = explicitConstructor.arguments;
  98                 if (anonymousConstructorCall.size() > 0) {
  99                     ags = anonymousConstructorCall.peek().arguments;
 100                 }
 101                 if (ags == null) {
 102                     System.err.println(explicitConstructor);
 103                     return true;
 104                 }
 105                 Expression e = ags[t0.getTgt()];
 106                 check(null, scope, e, explicitConstructor.toString());
 107                 break;
 108             }
 109         }
 110         return super.visit(explicitConstructor, scope);
 111     }
 112
 113     @Override
 114     public boolean visit(org.eclipse.jdt.internal.compiler.ast.MessageSend call, org.eclipse.jdt.internal.compiler.lookup.BlockScope scope) {
 115         if (call.binding == null) {
 116             System.err.println("Unbound:" + call + " in " + call.sourceStart());
 117             return true;
 118         }
 119         // System.out.println("Message");
 120         TaintSource t = new TaintSource(call.binding);
 121
 122         for (TaintSource t0 : ts) {
 123             if (t0.equals(t)) {
 124                 Expression[] ags = call.arguments;
 125                 if (ags == null) {
 126                     System.err.println(call);
 127                     return true;
 128                 }
 129                 Expression e = ags[t0.getTgt()];
 130                 check(call, scope, e, call.toString());
 131                 break;
 132             }
 133         }
 134         return true;
 135     }
 136
 137     private void check(org.eclipse.jdt.internal.compiler.ast.MessageSend call, org.eclipse.jdt.internal.compiler.lookup.BlockScope scope, Expression e, String caller) {
 138         if (e instanceof StringLiteral) {
 139             int[] lineEnds = null;
 140             int lineNumber = Util.getLineNumber(e.sourceStart, lineEnds = unit.compilationResult.getLineSeparatorPositions(), 0, lineEnds.length - 1);
 141
 142             String content = new String(((StringLiteral) e).source());
 143             File f0 = new File(new String(unit.compilationResult.fileName)).getAbsoluteFile();
 144             File f2 = translationCollector.base.getAbsoluteFile();
 145             try {
 146                 translationCollector.add(content, f0.getCanonicalPath().substring(f2.getCanonicalPath().length() + 1) + ":" + lineNumber);
 147             } catch (IOException e1) {
 148                 e1.printStackTrace();
 149             }
 150             return;
 151         }
 152
 153         if (e instanceof NullLiteral) {
 154             return;
 155         }
 156
 157         if (e instanceof MessageSend) {
 158             MessageSend m2 = (MessageSend) e;
 159             TaintSource ts = new TaintSource(m2.binding);
 160             if (ts.equals(new TaintSource("club.wpia.gigi.pages", "Page", "getTitle()", 0))) {
 161                 return;
 162             }
 163             if (m2.receiver.resolvedType.isCompatibleWith(scope.getJavaLangEnum())) {
 164                 testEnum(m2.receiver, m2.binding);
 165                 System.err.println("ENUM-SRC: !" + m2.receiver);
 166             }
 167         }
 168         if (e.resolvedType.isCompatibleWith(scope.getJavaLangEnum())) {
 169             // TODO ?
 170             System.err.println("ENUM-Not-Hanled");
 171         }
 172
 173         TaintSource b = cm == null ? null : new TaintSource(cm);
 174         for (TaintSource taintSource : ts) {
 175             if (taintSource.equals(b) || (taintSource.getMaskOnly() != null && taintSource.getMaskOnly().equals(b))) {
 176                 return;
 177             }
 178         }
 179         if (e instanceof ConditionalExpression) {
 180             check(call, scope, ((ConditionalExpression) e).valueIfFalse, caller);
 181             check(call, scope, ((ConditionalExpression) e).valueIfTrue, caller);
 182             return;
 183         }
 184
 185         System.err.println();
 186
 187         System.err.println(new String(scope.enclosingClassScope().referenceType().compilationResult.fileName));
 188         System.err.println("Cannot Handle: " + e + " in " + (call == null ? "constructor" : call.sourceStart) + " => " + caller);
 189         System.err.println(e.getClass());
 190         System.err.println("To ignore: " + (b == null ? "don't know" : b.toConfLine()));
 191         translationCollector.hadError();
 192     }
 193
 194     private void testEnum(Expression e, MethodBinding binding) {
 195         if (binding.parameters.length != 0) {
 196             System.err.println("ERROR: meth");
 197             return;
 198         }
 199         System.err.println(e.resolvedType.getClass());
 200         String s2 = new String(e.resolvedType.qualifiedPackageName()) + "." + (new String(e.resolvedType.qualifiedSourceName()).replace('.', '$'));
 201         try {
 202             Class<?> c = Class.forName(s2);
 203             Enum<?>[] e1 = (Enum[]) c.getMethod("values").invoke(null);
 204             Method m = c.getMethod(new String(binding.selector));
 205             for (int j = 0; j < e1.length; j++) {
 206                 System.err.println(m.invoke(e1[j]));
 207             }
 208         } catch (ClassNotFoundException e1) {
 209             e1.printStackTrace();
 210         } catch (ReflectiveOperationException e1) {
 211             e1.printStackTrace();
 212         }
 213         System.err.println("ENUM-done: " + e + "!");
 214         return;
 215     }
 216 }