wasi_assembler/
lib.rs

1#![feature(once_cell_try)]
2#![doc = include_str!("../readme.md")]
3
4pub mod formats;
5pub mod helpers;
6pub mod program;
7
8// 重新导出常用模块
9#[cfg(feature = "wat")]
10pub use formats::wat;
11use gaia_types::GaiaError;
12pub use program::{
13    WasiAlias, WasiAliasTarget, WasiCanonicalOperation, WasiComponentItem, WasiCoreFunc, WasiCoreInstance, WasiCoreModule,
14    WasiCoreType, WasiCustomSection, WasiDataSegment, WasiElementSegment, WasiExport, WasiFunction, WasiFunctionType,
15    WasiGlobal, WasiImport, WasiInstance, WasiInstanceArg, WasiInstanceType, WasiInstruction, WasiMemory, WasiPrimitiveType,
16    WasiProgram, WasiProgramBuilder, WasiProgramType, WasiRecordField, WasiResourceMethod, WasiResourceType, WasiSymbol,
17    WasiSymbolType, WasiTable, WasiType, WasiTypeDefinition, WasiVariantCase, WasmExportType, WasmGlobalType, WasmImportType,
18    WasmInfo, WasmLocal, WasmMemoryType, WasmReferenceType, WasmTableType, WasmValueType,
19};
20
21/// WASI 错误类型
22#[derive(Debug)]
23pub enum WasiError {
24    /// 解析错误
25    ParseError(String),
26    /// 验证错误
27    ValidationError(String),
28    /// 编译错误
29    CompilationError(String),
30    /// 其他错误
31    Other(String),
32}
33
34impl std::fmt::Display for WasiError {
35    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
36        match self {
37            WasiError::ParseError(msg) => write!(f, "Parse error: {}", msg),
38            WasiError::ValidationError(msg) => write!(f, "Validation error: {}", msg),
39            WasiError::CompilationError(msg) => write!(f, "Compilation error: {}", msg),
40            WasiError::Other(msg) => write!(f, "Other error: {}", msg),
41        }
42    }
43}
44
45impl std::error::Error for WasiError {}
46
47impl From<GaiaError> for WasiError {
48    fn from(error: GaiaError) -> Self {
49        WasiError::Other(error.to_string())
50    }
51}
52
53/// WASI 汇编器
54pub struct WasiAssembler {
55    target: String,
56}
57
58impl WasiAssembler {
59    /// 创建新的汇编器实例
60    pub fn new() -> Self {
61        Self { target: "wasm32-wasi".to_string() }
62    }
63
64    /// 设置目标架构
65    pub fn set_target(&mut self, target: &str) {
66        self.target = target.to_string();
67    }
68
69    /// 从字符串汇编 WASI 代码
70    pub fn assemble_from_str(&self, _source: &str) -> std::result::Result<Vec<u8>, WasiError> {
71        // 这是一个占位实现
72        Ok(vec![0x00, 0x61, 0x73, 0x6D, 0x01, 0x00, 0x00, 0x00])
73    }
74
75    /// 从文件汇编 WASI 代码
76    pub fn assemble_from_file(&self, path: impl AsRef<std::path::Path>) -> std::result::Result<Vec<u8>, WasiError> {
77        let source = std::fs::read_to_string(path).map_err(|e| WasiError::Other(e.to_string()))?;
78        self.assemble_from_str(&source)
79    }
80}
81
82impl Default for WasiAssembler {
83    fn default() -> Self {
84        Self::new()
85    }
86}
wasi_assembler/lib.rs

wasi_assembler/
lib.rs
