forked from M-Labs/libfringe
36 lines
653 B
Rust
36 lines
653 B
Rust
use platform;
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use core::ptr;
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pub enum Stack {
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Native {
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sp_limit: *const u8
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},
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Managed(platform::Stack)
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}
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impl Stack {
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pub fn new(size: uint) -> Stack {
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Stack::Managed(platform::Stack::new(size))
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}
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pub unsafe fn native(limit: *const u8) -> Stack {
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Stack::Native {
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sp_limit: limit
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}
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}
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pub fn top(&mut self) -> *mut u8 {
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match *self {
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Stack::Native { .. } => ptr::null_mut(),
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Stack::Managed(ref mut stack) => stack.top()
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}
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}
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pub fn limit(&self) -> *const u8 {
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match *self {
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Stack::Native { sp_limit, .. } => sp_limit,
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Stack::Managed(ref stack) => stack.limit()
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}
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}
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}
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