mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-30 07:17:56 +00:00
Bastian Köcher
5bd6e94e64
This moves the wasm-allocator (`FreeingBumpHeapAllocator`) into its own crate `sp-allocator`. This new crate can theoretically provide multiple different allocators. Besides moving the allocator, this pr also makes `FreeingBumpHeapAllocator` compile on `no_std`.
39 lines
1.4 KiB
Rust
39 lines
1.4 KiB
Rust
// Copyright 2020 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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/// The error type used by the allocators.
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#[derive(sp_core::RuntimeDebug)]
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#[cfg_attr(feature = "std", derive(derive_more::Display))]
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pub enum Error {
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/// Someone tried to allocate more memory than the allowed maximum per allocation.
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#[cfg_attr(feature = "std", display(fmt="Requested allocation size is too large"))]
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RequestedAllocationTooLarge,
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/// Allocator run out of space.
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#[cfg_attr(feature = "std", display(fmt="Allocator ran out of space"))]
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AllocatorOutOfSpace,
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/// Some other error occurred.
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Other(&'static str)
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}
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#[cfg(feature = "std")]
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impl std::error::Error for Error {
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fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
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match self {
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_ => None,
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}
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}
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}
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