55 lines
1.9 KiB
Rust
55 lines
1.9 KiB
Rust
use crate::instance::InstanceHandle;
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use crate::vmcontext::{VMFunctionImport, VMGlobalImport, VMMemoryImport, VMTableImport};
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use crate::HashSet;
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use cranelift_entity::{BoxedSlice, PrimaryMap};
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use cranelift_wasm::{FuncIndex, GlobalIndex, MemoryIndex, TableIndex};
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/// Resolved import pointers.
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#[derive(Clone)]
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pub struct Imports {
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/// The set of instances that the imports depend on.
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pub dependencies: HashSet<InstanceHandle>,
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/// Resolved addresses for imported functions.
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pub functions: BoxedSlice<FuncIndex, VMFunctionImport>,
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/// Resolved addresses for imported tables.
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pub tables: BoxedSlice<TableIndex, VMTableImport>,
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/// Resolved addresses for imported memories.
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pub memories: BoxedSlice<MemoryIndex, VMMemoryImport>,
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/// Resolved addresses for imported globals.
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pub globals: BoxedSlice<GlobalIndex, VMGlobalImport>,
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}
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impl Imports {
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/// Construct a new `Imports` instance.
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pub fn new(
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dependencies: HashSet<InstanceHandle>,
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function_imports: PrimaryMap<FuncIndex, VMFunctionImport>,
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table_imports: PrimaryMap<TableIndex, VMTableImport>,
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memory_imports: PrimaryMap<MemoryIndex, VMMemoryImport>,
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global_imports: PrimaryMap<GlobalIndex, VMGlobalImport>,
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) -> Self {
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Self {
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dependencies,
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functions: function_imports.into_boxed_slice(),
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tables: table_imports.into_boxed_slice(),
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memories: memory_imports.into_boxed_slice(),
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globals: global_imports.into_boxed_slice(),
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}
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}
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/// Construct a new `Imports` instance with no imports.
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pub fn none() -> Self {
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Self {
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dependencies: HashSet::new(),
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functions: PrimaryMap::new().into_boxed_slice(),
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tables: PrimaryMap::new().into_boxed_slice(),
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memories: PrimaryMap::new().into_boxed_slice(),
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globals: PrimaryMap::new().into_boxed_slice(),
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}
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}
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}
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