Struct WasiProgram 

pub struct WasiProgram {

    pub program_type: WasiProgramType,
    pub name: Option<String>,
    pub function_types: Vec<WasiFunctionType>,
    pub functions: Vec<WasiFunction>,
    pub exports: Vec<WasiExport>,
    pub imports: Vec<WasiImport>,
    pub memories: Vec<WasiMemory>,
    pub tables: Vec<WasiTable>,
    pub globals: Vec<WasiGlobal>,
    pub custom_sections: Vec<WasiCustomSection>,
    pub start_function: Option<u32>,
    pub component_items: Vec<WasiComponentItem>,
    pub core_modules: Vec<WasiCoreModule>,
    pub instances: Vec<WasiInstance>,
    pub aliases: Vec<WasiAlias>,
    pub symbol_table: HashMap<String, WasiSymbol>,
}

WASI 程序的高层次表示

这个结构体可以表示一个完整的 WebAssembly Component 或者一个传统的核心模块

Fields

program_type: WasiProgramType

程序类型：组件或核心模块

name: Option<String>

程序名称（可选）

function_types: Vec<WasiFunctionType>

函数类型定义

functions: Vec<WasiFunction>

函数定义

exports: Vec<WasiExport>

导出定义

imports: Vec<WasiImport>

导入定义

memories: Vec<WasiMemory>

内存定义

tables: Vec<WasiTable>

表定义

globals: Vec<WasiGlobal>

全局变量定义

custom_sections: Vec<WasiCustomSection>

自定义段

start_function: Option<u32>

起始函数索引

component_items: Vec<WasiComponentItem>

组件特有的项目（仅当 program_type 为 Component 时使用）

core_modules: Vec<WasiCoreModule>

核心模块列表（用于组件中的嵌套模块）

instances: Vec<WasiInstance>

实例列表

aliases: Vec<WasiAlias>

别名定义

symbol_table: HashMap<String, WasiSymbol>

符号表，用于名称到索引的映射

Implementations

impl WasiProgram

pub fn new(program_type: WasiProgramType) -> Self

创建新的 WASI 程序

pub fn new_component() -> Self

创建新的组件程序

pub fn new_core_module() -> Self

创建新的核心模块程序

pub fn add_function_type(&mut self, func_type: WasiFunctionType) -> u32

添加函数类型定义，返回类型索引

pub fn add_function(&mut self, function: WasiFunction) -> u32

添加函数定义，返回函数索引

pub fn add_export(&mut self, export: WasiExport)

添加导出定义

pub fn add_import(&mut self, import: WasiImport)

添加导入定义

pub fn add_memory(&mut self, memory: WasiMemory) -> u32

添加内存定义

pub fn add_table(&mut self, table: WasiTable) -> u32

添加表定义

pub fn add_global(&mut self, global: WasiGlobal) -> u32

添加全局变量定义

pub fn add_core_module(&mut self, core_module: WasiCoreModule) -> u32

添加核心模块

pub fn add_instance(&mut self, instance: WasiInstance) -> u32

添加实例

pub fn add_alias(&mut self, alias: WasiAlias)

添加别名

pub fn add_symbol( &mut self, name: String, symbol_type: WasiSymbolType, index: u32, )

添加符号到符号表

pub fn find_symbol(&self, name: &str) -> Option<&WasiSymbol>

根据名称查找符号

pub fn validate(&self) -> Result<()>

验证程序的完整性

pub fn to_wat(&self) -> Result<WatRoot>

将程序转换为 WAT AST

pub fn to_wasm(&self) -> Result<Vec<u8>>

将程序转换为 WASM 字节码

pub fn builder(program_type: WasiProgramType) -> WasiProgramBuilder

创建 WasiProgram 的构建器

Trait Implementations

impl Clone for WasiProgram

fn clone(&self) -> WasiProgram

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for WasiProgram

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for WasiProgram

fn default() -> Self

Returns the “default value” for a type.