message: Added mocking back into instance
diff: @@ -121,9 +121,9 @@ pub struct InstanceOptions {
  pub isa: Box<TargetIsa>,
  }
  -// extern fn mock_fn() -> i32 {
  -// return 0;
  -// }
  +extern fn mock_fn() -> i32 {
  + return 0;
  +}
  impl Instance {
  pub const TABLES_OFFSET: usize = 0; // 0 on 64-bit | 0 on 32-bit
  @@ -165,19 +165,19 @@ impl Instance {
  for (module, field) in module.info.imported_funcs.iter() {
  let imported = import_object
  .get(&module.as_str(), &field.as_str());
  - let function = match imported {
  + let function: &*const u8 = match imported {
  Some(ImportValue::Func(f)) => f,
  None => {
  - // if options.mock_missing_imports {
  - // debug!("The import {}.{} is not provided, therefore will be mocked.", module, field);
  - // mock_fn as *const u8
  - // }
  - // else {
  + if options.mock_missing_imports {
  + debug!("The import {}.{} is not provided, therefore will be mocked.", module, field);
  + &(mock_fn as *const u8)
  + }
  + else {
  return Err(ErrorKind::LinkError(format!(
  "Imported function {}.{} was not provided in the import_functions",
  module, field
  )));
  - // }
  + }
  },
  other => panic!("Expected function import, received {:?}", other)
  };
  