Examples of com.google.gwt.dev.jjs.SourceInfo

com.google.gwt.dev.jjs.SourceInfo
Tracks file and line information for AST nodes.


      return call;
    }


    JMethodCall processThisConstructorCall(ExplicitConstructorCall x) {
      SourceInfo info = makeSourceInfo(x);
      JMethod ctor = (JMethod) typeMap.get(x.binding);
      JExpression trueQualifier = createThisRef(info, currentClass);
      JMethodCall call = new JMethodCall(info, trueQualifier, ctor);


      assert (x.qualification == null);

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     * @param jdtBridgeMethod The corresponding bridge method added in the JDT
     * @param implmeth The implementation method to bridge to
     */
    private void createBridgeMethod(JClassType clazz,
        SyntheticMethodBinding jdtBridgeMethod, JMethod implmeth) {
      SourceInfo info = program.createSourceInfoSynthetic(
          GenerateJavaAST.class, "bridge method");


      // create the method itself
      JMethod bridgeMethod = program.createMethod(info,
          jdtBridgeMethod.selector, clazz,

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        JLocal local, JExpression value) {
      return new JDeclarationStatement(info, new JLocalRef(info, local), value);
    }


    private JField createEnumValueMap(JEnumType type) {
      SourceInfo sourceInfo = type.getSourceInfo().makeChild(
          JavaASTGenerationVisitor.class, "enum value lookup map");
      JsonObject map = new JsonObject(sourceInfo, program.getJavaScriptObject());
      for (JEnumField field : type.getEnumList()) {
        // JSON maps require leading underscores to prevent collisions.
        JStringLiteral key = program.getLiteralString(field.getSourceInfo(),

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    private void implementMethod(JMethod method, JExpression returnValue) {
      assert method != null;
      JMethodBody body = (JMethodBody) method.getBody();
      JBlock block = body.getBlock();


      SourceInfo info;
      if (block.getStatements().size() > 0) {
        info = block.getStatements().get(0).getSourceInfo();
      } else {
        info = method.getSourceInfo();
      }

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    }


    private SourceInfo makeSourceInfo(Statement x) {
      int startLine = Util.getLineNumber(x.sourceStart,
          currentSeparatorPositions, 0, currentSeparatorPositions.length - 1);
      SourceInfo toReturn = program.createSourceInfo(x.sourceStart,
          x.sourceEnd, startLine, currentFileName);
      if (currentClass != null) {
        toReturn.copyMissingCorrelationsFrom(currentClass.getSourceInfo());
      }
      if (currentMethod != null) {
        toReturn.copyMissingCorrelationsFrom(currentMethod.getSourceInfo());
      }
      return toReturn;
    }

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       * In all other cases, the qualified thisref or superref cannot possibly
       * refer to the innermost type (even if the innermost type could be cast
       * to a compatible type), so we must create a reference to some outer
       * type.
       */
      SourceInfo info = makeSourceInfo(x);
      if (qualType == currentClass) {
        return createThisRef(info, qualType);
      } else {
        return createQualifiedThisRef(info, qualType);
      }

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      } else {
        ice = new InternalCompilerException("Error constructing Java AST", e);
      }
      String className = node.getClass().getName();
      String description = node.toString();
      SourceInfo sourceInfo = null;
      if (node instanceof Statement) {
        sourceInfo = makeSourceInfo((Statement) node);
      }
      ice.addNode(className, description, sourceInfo);
      return ice;

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      return unboxCall;
    }


    private void writeEnumValueOfMethod(JEnumType type, JField mapField) {
      // return Enum.valueOf(map, name);
      SourceInfo sourceInfo = mapField.getSourceInfo().makeChild(
          JavaASTGenerationVisitor.class, "enum accessor method");
      JFieldRef mapRef = new JFieldRef(sourceInfo, null, mapField, type);
      JVariableRef nameRef = createVariableRef(sourceInfo,
          currentMethod.getParams().get(0));
      JMethod delegateTo = program.getIndexedMethod("Enum.valueOf");

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          new JReturnStatement(sourceInfo, call));
    }


    private void writeEnumValuesMethod(JEnumType type) {
      // return new E[]{A,B,C};
      SourceInfo sourceInfo = type.getSourceInfo().makeChild(
          JavaASTGenerationVisitor.class, "enum values method");
      List<JExpression> initializers = new ArrayList<JExpression>();
      for (JEnumField field : type.getEnumList()) {
        JFieldRef fieldRef = new JFieldRef(sourceInfo, null, field, type);
        initializers.add(fieldRef);

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          paramCount = ((Constructor<?>) member).getParameterTypes().length;
        }


        // Use a clone instead of modifying the original JSNI
        // __gwt_makeTearOff(obj, dispId, paramCount)
        SourceInfo newSourceInfo = x.getSourceInfo().makeChild(getClass(),
            "Replace JSNI ref for hosted mode");
        JsInvocation rewritten = new JsInvocation(newSourceInfo);
        rewritten.setQualifier(new JsNameRef(newSourceInfo, "__gwt_makeTearOff"));


        List<JsExpression> arguments = rewritten.getArguments();

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