Files
wasmtime/lib/runtime/src/imports.rs
2019-01-03 12:58:11 -08:00

47 lines
1.6 KiB
Rust

use crate::vmcontext::{VMFunctionImport, VMGlobalImport, VMMemoryImport, VMTableImport};
use cranelift_entity::{BoxedSlice, PrimaryMap};
use cranelift_wasm::{FuncIndex, GlobalIndex, MemoryIndex, TableIndex};
/// Resolved import pointers.
#[derive(Debug, Clone)]
pub struct Imports {
/// Resolved addresses for imported functions.
pub functions: BoxedSlice<FuncIndex, VMFunctionImport>,
/// Resolved addresses for imported tables.
pub tables: BoxedSlice<TableIndex, VMTableImport>,
/// Resolved addresses for imported memories.
pub memories: BoxedSlice<MemoryIndex, VMMemoryImport>,
/// Resolved addresses for imported globals.
pub globals: BoxedSlice<GlobalIndex, VMGlobalImport>,
}
impl Imports {
/// Construct a new `Imports` instance.
pub fn new(
function_imports: PrimaryMap<FuncIndex, VMFunctionImport>,
table_imports: PrimaryMap<TableIndex, VMTableImport>,
memory_imports: PrimaryMap<MemoryIndex, VMMemoryImport>,
global_imports: PrimaryMap<GlobalIndex, VMGlobalImport>,
) -> Self {
Self {
functions: function_imports.into_boxed_slice(),
tables: table_imports.into_boxed_slice(),
memories: memory_imports.into_boxed_slice(),
globals: global_imports.into_boxed_slice(),
}
}
/// Construct a new `Imports` instance with no imports.
pub fn none() -> Self {
Self {
functions: PrimaryMap::new().into_boxed_slice(),
tables: PrimaryMap::new().into_boxed_slice(),
memories: PrimaryMap::new().into_boxed_slice(),
globals: PrimaryMap::new().into_boxed_slice(),
}
}
}