substrate_wasmtime_runtime/
imports.rs

1use crate::vmcontext::{VMFunctionImport, VMGlobalImport, VMMemoryImport, VMTableImport};
2use wasmtime_environ::entity::{BoxedSlice, PrimaryMap};
3use wasmtime_environ::wasm::{FuncIndex, GlobalIndex, MemoryIndex, TableIndex};
4
5/// Resolved import pointers.
6#[derive(Clone)]
7pub struct Imports {
8    /// Resolved addresses for imported functions.
9    pub functions: BoxedSlice<FuncIndex, VMFunctionImport>,
10
11    /// Resolved addresses for imported tables.
12    pub tables: BoxedSlice<TableIndex, VMTableImport>,
13
14    /// Resolved addresses for imported memories.
15    pub memories: BoxedSlice<MemoryIndex, VMMemoryImport>,
16
17    /// Resolved addresses for imported globals.
18    pub globals: BoxedSlice<GlobalIndex, VMGlobalImport>,
19}
20
21impl Imports {
22    /// Construct a new `Imports` instance.
23    pub fn new(
24        function_imports: PrimaryMap<FuncIndex, VMFunctionImport>,
25        table_imports: PrimaryMap<TableIndex, VMTableImport>,
26        memory_imports: PrimaryMap<MemoryIndex, VMMemoryImport>,
27        global_imports: PrimaryMap<GlobalIndex, VMGlobalImport>,
28    ) -> Self {
29        Self {
30            functions: function_imports.into_boxed_slice(),
31            tables: table_imports.into_boxed_slice(),
32            memories: memory_imports.into_boxed_slice(),
33            globals: global_imports.into_boxed_slice(),
34        }
35    }
36
37    /// Construct a new `Imports` instance with no imports.
38    pub fn none() -> Self {
39        Self {
40            functions: PrimaryMap::new().into_boxed_slice(),
41            tables: PrimaryMap::new().into_boxed_slice(),
42            memories: PrimaryMap::new().into_boxed_slice(),
43            globals: PrimaryMap::new().into_boxed_slice(),
44        }
45    }
46}
substrate_wasmtime_runtime/imports.rs

substrate_wasmtime_runtime/
imports.rs
