Trait wasmer_engine::Tunables

pub trait Tunables {
    fn memory_style(&self, memory: &MemoryType) -> MemoryStyle;
    fn table_style(&self, table: &TableType) -> TableStyle;
    fn create_memory(
        &self, 
        ty: &MemoryType, 
        style: &MemoryStyle
    ) -> Result<Arc<dyn Memory>, MemoryError>;
    fn create_table(
        &self, 
        ty: &TableType, 
        style: &TableStyle
    ) -> Result<Arc<dyn Table>, String>;

    fn create_global(&self, ty: GlobalType) -> Result<Arc<Global>, String> { ... }
    fn create_memories(
        &self, 
        module: &ModuleInfo, 
        memory_styles: &PrimaryMap<MemoryIndex, MemoryStyle>
    ) -> Result<PrimaryMap<LocalMemoryIndex, Arc<dyn Memory>>, LinkError> { ... }
    fn create_tables(
        &self, 
        module: &ModuleInfo, 
        table_styles: &PrimaryMap<TableIndex, TableStyle>
    ) -> Result<PrimaryMap<LocalTableIndex, Arc<dyn Table>>, LinkError> { ... }
    fn create_globals(
        &self, 
        module: &ModuleInfo
    ) -> Result<PrimaryMap<LocalGlobalIndex, Arc<Global>>, LinkError> { ... }
}

An engine delegates the creation of memories, tables, and globals to a foreign implementor of this trait.

Required methods

fn memory_style(&self, memory: &MemoryType) -> MemoryStyle

Construct a MemoryStyle for the provided MemoryType

fn table_style(&self, table: &TableType) -> TableStyle

Construct a TableStyle for the provided TableType

fn create_memory(
    &self,
    ty: &MemoryType,
    style: &MemoryStyle
) -> Result<Arc<dyn Memory>, MemoryError>

Create a memory given a memory type

fn create_table(
    &self,
    ty: &TableType,
    style: &TableStyle
) -> Result<Arc<dyn Table>, String>

Create a memory given a memory type

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Provided methods

fn create_global(&self, ty: GlobalType) -> Result<Arc<Global>, String>

Create a global with an unset value.

fn create_memories(
    &self,
    module: &ModuleInfo,
    memory_styles: &PrimaryMap<MemoryIndex, MemoryStyle>
) -> Result<PrimaryMap<LocalMemoryIndex, Arc<dyn Memory>>, LinkError>

Allocate memory for just the memories of the current module.

fn create_tables(
    &self,
    module: &ModuleInfo,
    table_styles: &PrimaryMap<TableIndex, TableStyle>
) -> Result<PrimaryMap<LocalTableIndex, Arc<dyn Table>>, LinkError>

Allocate memory for just the tables of the current module.

fn create_globals(
    &self,
    module: &ModuleInfo
) -> Result<PrimaryMap<LocalGlobalIndex, Arc<Global>>, LinkError>

Allocate memory for just the globals of the current module, with initializers applied.

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Implementors

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