elmma
bdffe9e3c5
**Workspace 拆分** - aster-core: 纯库，zero-dependency，包含 lexer/parser/ast/interpreter/error/analysis - aster: REPL 二进制，薄封装 aster-core - aster-lsp: LSP 语言服务器 **VS Code 扩展 (vscode-ext/)** - TextMate 语法高亮 (.ast 文件) - 语言配置 (注释切换、括号配对、自动缩进) - LSP 客户端 (extension.js) **LSP 服务端功能** - Diagnostics: 实时显示 lex/parse 错误红色波浪线 - Completion: 关键字 + 内置函数 + 用户定义符号补全 - Hover: 悬停显示变量/函数信息 - Signature Help: 函数参数提示 - Goto Definition: Ctrl+Click 跳转到声明处 - Find References: 查找所有引用位置 - Rename: F2 重命名符号 **新增 analysis 模块** - collect_symbols: AST 遍历收集符号 - find_declaration/find_all_references: Token 扫描定位声明和引用
52 lines
828 B
Rust
52 lines
828 B
Rust
// lexer/token.rs
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#[derive(Debug, Clone, PartialEq)]
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pub enum TokenKind {
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// 单字符
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LeftParen, RightParen,
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LeftBrace, RightBrace,
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LeftBracket, RightBracket,
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Comma, Semicolon, Dot,
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Colon,
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Question,
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// 运算符
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Plus, Minus, Star, Slash, Percent,
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Bang,
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Equal,
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Greater, GreaterEqual,
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Less, LessEqual,
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EqualEqual, BangEqual,
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AndAnd, OrOr,
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PlusEqual, MinusEqual, StarEqual, SlashEqual, PercentEqual,
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// 字面量
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Identifier(String),
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Number(f64),
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String(String),
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// 关键字
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Let,
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Const,
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Fn,
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If,
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Else,
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While,
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For,
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In,
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Break,
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Continue,
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Return,
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True,
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False,
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Nil,
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EOF,
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}
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#[derive(Debug, Clone)]
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pub struct Token {
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pub kind: TokenKind,
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pub line: usize,
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pub column: usize,
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}
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