Struct wasmtime_environ::wasmparser::types::Types

pub struct Types { /* private fields */ }

Represents the types known to a crate::Validator once validation has completed.

The type information is returned via the crate::Validator::end method.

Implementations

impl Types

pub fn as_ref(&self) -> TypesRef<'_>

Gets a reference to this validation type information.

pub fn type_from_id(&self, id: TypeId) -> Option<&Type>

Gets a type based on its type id.

Returns None if the type id is unknown.

pub fn id_from_type_index(&self, index: u32, core: bool) -> Option<TypeId>

Gets a type id from a type index.

Returns None if the type index is out of bounds.

pub fn type_at(&self, index: u32, core: bool) -> Option<&Type>

Gets a type at the given type index.

Returns None if the index is out of bounds.

pub fn func_type_at(&self, index: u32) -> Option<&FuncType>

Gets a defined core function type at the given type index.

Returns None if the index is out of bounds.

pub fn type_count(&self) -> usize

Gets the count of core types.

pub fn table_at(&self, index: u32) -> Option<TableType>

Gets the type of a table at the given table index.

Returns None if the index is out of bounds.

pub fn table_count(&self) -> usize

Gets the count of imported and defined tables.

pub fn memory_at(&self, index: u32) -> Option<MemoryType>

Gets the type of a memory at the given memory index.

Returns None if the index is out of bounds.

pub fn memory_count(&self) -> usize

Gets the count of imported and defined memories.

pub fn global_at(&self, index: u32) -> Option<GlobalType>

Gets the type of a global at the given global index.

Returns None if the index is out of bounds.

pub fn global_count(&self) -> usize

Gets the count of imported and defined globals.

pub fn tag_at(&self, index: u32) -> Option<&FuncType>

Gets the type of a tag at the given tag index.

Returns None if the index is out of bounds.

pub fn tag_count(&self) -> usize

Gets the count of imported and defined tags.

pub fn function_at(&self, index: u32) -> Option<&FuncType>

Gets the type of a core function at the given function index.

Returns None if the index is out of bounds.

pub fn function_count(&self) -> usize

Gets the count of imported and defined core functions.

The count also includes aliased core functions in components.

pub fn element_at(&self, index: u32) -> Option<RefType>

Gets the type of an element segment at the given element segment index.

Returns None if the index is out of bounds.

pub fn element_count(&self) -> usize

Gets the count of element segments.

pub fn component_function_at(&self, index: u32) -> Option<&ComponentFuncType>

Gets the type of a component function at the given function index.

Returns None if the index is out of bounds.

pub fn component_function_count(&self) -> usize

Gets the count of imported, exported, or aliased component functions.

pub fn module_at(&self, index: u32) -> Option<&ModuleType>

Gets the type of a module at the given module index.

Returns None if the index is out of bounds.

pub fn module_count(&self) -> usize

Gets the count of imported, exported, or aliased modules.

pub fn instance_at(&self, index: u32) -> Option<&InstanceType>

Gets the type of a module instance at the given module instance index.

Returns None if the index is out of bounds.

pub fn instance_count(&self) -> usize

Gets the count of imported, exported, or aliased core module instances.

pub fn component_at(&self, index: u32) -> Option<&ComponentType>

Gets the type of a component at the given component index.

Returns None if the index is out of bounds.

pub fn component_count(&self) -> usize

Gets the count of imported, exported, or aliased components.

pub fn component_instance_at( &self, index: u32, ) -> Option<&ComponentInstanceType>

Gets the type of an component instance at the given component instance index.

Returns None if the index is out of bounds.

pub fn component_instance_count(&self) -> usize

Gets the count of imported, exported, or aliased component instances.

pub fn value_at(&self, index: u32) -> Option<ComponentValType>

Gets the type of a value at the given value index.

Returns None if the index is out of bounds.

pub fn value_count(&self) -> usize

Gets the count of imported, exported, or aliased values.

pub fn entity_type_from_import(&self, import: &Import<'_>) -> Option<EntityType>

Gets the entity type from the given import.

pub fn entity_type_from_export(&self, export: &Export<'_>) -> Option<EntityType>

Gets the entity type from the given export.

pub fn component_entity_type_of_extern( &self, name: &str, ) -> Option<ComponentEntityType>

Gets the component entity type for the given component import or export name.

pub fn peel_alias(&self, ty: TypeId) -> Option<TypeId>

Attempts to lookup the type id that ty is an alias of.

Returns None if ty wasn’t listed as aliasing a prior type.