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Rewrite code to wrap StoreHandle properly

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This commit is contained in:
Matthias Beyer 2017-01-21 19:24:08 +01:00
parent 3a90077777
commit d047b6663b
1 changed files with 30 additions and 19 deletions
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33
libimagruby/src/store.rs
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@ -32,15 +32,20 @@ use util::Unwrap;
use storeid::RStoreId;
use entry::RFileLockEntry;
use cache::StoreHandle;
wrappable_struct!(Store, StoreWrapper, STORE_WRAPPER);
wrappable_struct!(StoreHandle, StoreWrapper, STORE_WRAPPER);
class!(RStore);
impl_wrap!(Store, STORE_WRAPPER);
impl_unwrap!(RStore, Store, STORE_WRAPPER);
impl_wrap!(StoreHandle, STORE_WRAPPER);
impl_unwrap!(RStore, StoreHandle, STORE_WRAPPER);
impl_verified_object!(RStore);
macro_rules! call_on_store_by_handle {
($store_handle:ident -> $name:ident -> $operation:block) => {{
call_on_store_by_handle!($store_handle -> $name -> $operation on fail return NilClass::new().to_any_object())
}};
($store_handle:ident -> $name:ident -> $operation:block on fail return $ex:expr) => {{
use cache::RUBY_STORE_CACHE;
let arc = RUBY_STORE_CACHE.clone();
@ -53,22 +58,26 @@ macro_rules! call_on_store_by_handle {
None => {
VM::raise(Class::from_existing("RuntimeError"),
"Tried to operate on non-existing object");
NilClass::new().to_any_object()
$ex
}
}
},
Err(e) => {
VM::raise(Class::from_existing("RuntimeError"), e.description());
NilClass::new().to_any_object()
$ex
}
}
}
}}
}};
}
macro_rules! call_on_store {
($itself:ident ($wrapper:ident) -> $name:ident -> $operation:block on fail return $ex:expr) => {{
let handle = $itself.get_data(&*$wrapper);
call_on_store_by_handle!(handle -> $name -> $operation on fail return $ex)
}};
($itself:ident ($wrapper:ident) -> $name:ident -> $operation:block) => {{
let handle = $itself.get_data(&*$wrapper).store_handle();
let handle = $itself.get_data(&*$wrapper);
call_on_store_by_handle!(handle -> $name -> $operation)
}};
}
@ -178,12 +187,13 @@ methods!(
let old = typecheck!(old).unwrap().clone();
let nw = typecheck!(nw).unwrap().clone();
if let Err(e) = itself.get_data(&*STORE_WRAPPER).move_by_id(old, nw) {
call_on_store!(itself (STORE_WRAPPER) -> store -> {
if let Err(e) = store.move_by_id(old, nw) {
trace_error(&e);
VM::raise(Class::from_existing("RuntimeError"), e.description());
}
NilClass::new()
} on fail return NilClass::new())
}
// Get the path of the store object
@ -193,12 +203,13 @@ methods!(
// A RString
//
fn path() -> RString {
itself.get_data(&*STORE_WRAPPER)
.path()
call_on_store!(itself (STORE_WRAPPER) -> store -> {
store.path()
.clone()
.to_str()
.map(RString::new)
.unwrap_or(RString::new(""))
} on fail return RString::new(""))
}
);