void (@NotNull GrIfStatement ifStatement) { super.visitIfStatement(ifStatement); final GrExpression condition = ifStatement.getCondition(); if (condition == null) { return; } final PsiType type = condition.getType(); if (type == null || !(PsiTypes.booleanType().isAssignableFrom(type))) { return; } if (isSimplifiableAssignment(ifStatement)) { registerStatementError(ifStatement); return; } if (isSimplifiableReturn(ifStatement)) { registerStatementError(ifStatement); return; } if (isSimplifiableImplicitReturn(ifStatement)) { registerStatementError(ifStatement); return; } if (isSimplifiableAssignmentNegated(ifStatement)) { registerStatementError(ifStatement); return; } if (isSimplifiableReturnNegated(ifStatement)) { registerStatementError(ifStatement); return; } if (isSimplifiableImplicitReturnNegated(ifStatement)) { registerStatementError(ifStatement); return; } if (isSimplifiableImplicitAssignment(ifStatement)) { registerStatementError(ifStatement); return; } if (isSimplifiableImplicitAssignmentNegated(ifStatement)) { registerStatementError(ifStatement); } }