1 //! This module contains basic type definitions used by the implementation of 2 //! the stack switching proposal. 3 4 /// Discriminant of variant `Absent` in 5 /// `wasmtime::runtime::vm::VMStackChain`. 6 pub const STACK_CHAIN_ABSENT_DISCRIMINANT: usize = 0; 7 /// Discriminant of variant `InitialStack` in 8 /// `wasmtime::runtime::vm::VMStackChain`. 9 pub const STACK_CHAIN_INITIAL_STACK_DISCRIMINANT: usize = 1; 10 /// Discriminant of variant `Continiation` in 11 /// `wasmtime::runtime::vm::VMStackChain`. 12 pub const STACK_CHAIN_CONTINUATION_DISCRIMINANT: usize = 2; 13 14 /// Discriminant of variant `Fresh` in 15 /// `runtime::vm::VMStackState`. 16 pub const STACK_STATE_FRESH_DISCRIMINANT: u32 = 0; 17 /// Discriminant of variant `Running` in 18 /// `runtime::vm::VMStackState`. 19 pub const STACK_STATE_RUNNING_DISCRIMINANT: u32 = 1; 20 /// Discriminant of variant `Parent` in 21 /// `runtime::vm::VMStackState`. 22 pub const STACK_STATE_PARENT_DISCRIMINANT: u32 = 2; 23 /// Discriminant of variant `Suspended` in 24 /// `runtime::vm::VMStackState`. 25 pub const STACK_STATE_SUSPENDED_DISCRIMINANT: u32 = 3; 26 /// Discriminant of variant `Returned` in 27 /// `runtime::vm::VMStackState`. 28 pub const STACK_STATE_RETURNED_DISCRIMINANT: u32 = 4; 29 30 /// Discriminant of variant `Return` in 31 /// `runtime::vm::ControlEffect`. 32 pub const CONTROL_EFFECT_RETURN_DISCRIMINANT: u32 = 0; 33 /// Discriminant of variant `Resume` in 34 /// `runtime::vm::ControlEffect`. 35 pub const CONTROL_EFFECT_RESUME_DISCRIMINANT: u32 = 1; 36 /// Discriminant of variant `Suspend` in 37 /// `runtime::vm::ControlEffect`. 38 pub const CONTROL_EFFECT_SUSPEND_DISCRIMINANT: u32 = 2; 39 /// Discriminant of variant `Switch` in 40 /// `runtime::vm::ControlEffect`. 41 pub const CONTROL_EFFECT_SWITCH_DISCRIMINANT: u32 = 3; 42