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

com.google.gwt.dev.jjs.InternalCompilerException
Indicates the compiler encountered an unexpected and unsupported state of operation.

          }
          addAllOuterThisRefs(workList, expr, classType);
        }
      }


      throw new InternalCompilerException(
          "Cannot create a ThisRef of the appropriate type.");
    }

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     */
    private JVariableRef createVariableRef(SourceInfo info, JVariable variable) {
      if (variable instanceof JLocal) {
        JLocal local = (JLocal) variable;
        if (local.getEnclosingMethod() != currentMethod) {
          throw new InternalCompilerException(
              "LocalRef referencing local in a different method.");
        }
        return new JLocalRef(info, local);
      } else if (variable instanceof JParameter) {
        JParameter parameter = (JParameter) variable;
        if (parameter.getEnclosingMethod() != currentMethod) {
          throw new InternalCompilerException(
              "ParameterRef referencing param in a different method.");
        }
        return new JParameterRef(info, parameter);
      } else if (variable instanceof JField) {
        JField field = (JField) variable;
        JExpression instance = null;
        if (!field.isStatic()) {
          JClassType fieldEnclosingType = (JClassType) field.getEnclosingType();
          instance = createThisRef(info, fieldEnclosingType);
          if (!program.typeOracle.canTriviallyCast(
              (JClassType) instance.getType(), fieldEnclosingType)) {
            throw new InternalCompilerException(
                "FieldRef referencing field in a different type.");
          }
        }
        return new JFieldRef(info.makeChild(JavaASTGenerationVisitor.class,
            "Reference", variable.getSourceInfo()), instance, field,
            currentClass);
      }
      throw new InternalCompilerException("Unknown JVariable subclass.");
    }

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        case TypeIds.T_long:
          return program.getTypePrimitiveLong();
        case TypeIds.T_short:
          return program.getTypePrimitiveShort();
        default:
          throw new InternalCompilerException(
              "Could not determine the desired box type");
      }
    }

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            for (int i = 0, j = methods.length; i < j; i++) {
              methods[i] = init.expressions[i].constant.stringValue();
            }
          }
        } else {
          throw new InternalCompilerException(
              "Unknown Rescue annotation member " + name);
        }
      }


      assert classType != null : "classType " + typeName;
      assert fields != null : "fields";
      assert methods != null : "methods";


      if (instantiable) {
        currentClass.addArtificialRescue(classType);


        // Make sure that a class literal for the type has been allocated
        program.getLiteralClass(classType);
      }


      if (classType instanceof JDeclaredType) {
        List<String> toRescue = new ArrayList<String>();
        Collections.addAll(toRescue, fields);
        Collections.addAll(toRescue, methods);


        for (String name : toRescue) {
          JsniRef ref = JsniRef.parse("@" + classType.getName() + "::" + name);
          final String[] errors = {null};
          HasEnclosingType node = JsniRefLookup.findJsniRefTarget(ref, program,
              new JsniRefLookup.ErrorReporter() {
                public void reportError(String error) {
                  errors[0] = error;
                }
              });
          if (errors[0] != null) {
            // Should have been caught by ArtificialRescueChecker
            throw new InternalCompilerException(
                "Unable to artificially rescue " + name + ": " + errors[0]);
          }


          currentClass.addArtificialRescue((JNode) node);
          if (node instanceof JField) {

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            processArtificialRescue((Annotation) e);
          }
        } else if (value instanceof Annotation) {
          processArtificialRescue((Annotation) value);
        } else {
          throw new InternalCompilerException(
              "Unable to process annotation with value of type "
                  + value.getClass().getName());
        }


        return;

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        Throwable e) {
      if (e instanceof OutOfMemoryError) {
        // Always rethrow OOMs (might have no memory to load ICE class anyway).
        throw (OutOfMemoryError) e;
      }
      InternalCompilerException ice;
      if (e instanceof InternalCompilerException) {
        ice = (InternalCompilerException) e;
      } 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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    }


    private JExpression unbox(JExpression toUnbox, JClassType wrapperType) {
      JPrimitiveType primitiveType = getPrimitiveTypeForWrapperType(wrapperType);
      if (primitiveType == null) {
        throw new InternalCompilerException(toUnbox,
            "Attempt to unbox unexpected type '" + wrapperType.getName() + "'",
            null);
      }


      String valueMethodName = primitiveType.getName() + "Value";
      JMethod valueMethod = null;
      for (Object element : wrapperType.getMethods()) {
        JMethod method = (JMethod) element;
        if (method.getName().equals(valueMethodName)) {
          if (method.getParams().isEmpty()) {
            // It's a match!
            valueMethod = method;
            break;
          }
        }
      }


      if (valueMethod == null) {
        throw new InternalCompilerException(toUnbox,
            "Expected to find a method on '" + wrapperType.getName()
                + "' whose signature matches 'public "
                + primitiveType.getName() + " " + valueMethodName + "()'", null);
      }

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  public static int exec(JExpression expression) {
    JavaPrecedenceVisitor visitor = new JavaPrecedenceVisitor();
    visitor.accept(expression);
    if (visitor.answer < 0) {
      throw new InternalCompilerException("Precedence must be >= 0!");
    }
    return visitor.answer;
  }

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        if (node instanceof JField) {
          processField(nameRef, info, (JField) node, ctx);
        } else if (node instanceof JMethod) {
          processMethod(nameRef, info, (JMethod) node, ctx);
        } else {
          throw new InternalCompilerException((HasSourceInfo) node,
              "JSNI reference to something other than a field or method?", null);
        }
      }

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        throw e;
      } catch (InternalCompilerException ice) {
        ice.addNode(type);
        throw ice;
      } catch (Throwable e) {
        throw new InternalCompilerException(type, "Error building type map", e);
      }
    }

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