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Create a grow error and refactor grow impl to return result (#191)

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This commit is contained in:
Mackenzie Clark
2019-02-22 22:18:59 -08:00
committed by GitHub
parent fa596d2d23
commit 82eef13f41
13 changed files with 250 additions and 112 deletions
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11
lib/runtime-core/src/table/mod.rs
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@ -11,6 +11,7 @@ mod anyfunc;
pub use self::anyfunc::Anyfunc;
use self::anyfunc::AnyfuncTable;
use crate::error::GrowError;
pub enum Element<'a> {
Anyfunc(Anyfunc<'a>),
@ -108,15 +109,15 @@ impl Table {
}
/// Grow this table by `delta`.
pub fn grow(&self, delta: u32) -> Option<u32> {
pub fn grow(&self, delta: u32) -> Result<u32, GrowError> {
if delta == 0 {
return Some(self.size());
return Ok(self.size());
}
match &mut *self.storage.borrow_mut() {
(TableStorage::Anyfunc(ref mut anyfunc_table), ref mut local) => {
anyfunc_table.grow(delta, local)
}
(TableStorage::Anyfunc(ref mut anyfunc_table), ref mut local) => anyfunc_table
.grow(delta, local)
.ok_or(GrowError::TableGrowError),
}
}