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feat: 支持结构体多个 init 构造函数

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- 修改 StructParser 类，支持解析多个 init 构造函数
- 使用列表 inits 替代单个 init 函数节点
- 增加按参数个数去重的逻辑，避免重复定义 init构造函数
- 更新 StructNode 构造方法，接收 inits 列表作为参数
This commit is contained in:
Luke 2025-09-01 16:54:20 +08:00
parent 94b4bf94cf
commit ba436cb91c
1 changed files with 13 additions and 8 deletions
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17
src/main/java/org/jcnc/snow/compiler/parser/struct/StructParser.java
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@ -65,7 +65,7 @@ public class StructParser implements TopLevelParser {
/* -------- 初始化容器 -------- */ /* -------- 初始化容器 -------- */
List<DeclarationNode> fields = new ArrayList<>(); List<DeclarationNode> fields = new ArrayList<>();
FunctionNode init = null; List<FunctionNode> inits = new ArrayList<>();
List<FunctionNode> methods = new ArrayList<>(); List<FunctionNode> methods = new ArrayList<>();
DeclarationStatementParser declParser = new DeclarationStatementParser(); DeclarationStatementParser declParser = new DeclarationStatementParser();
@ -104,12 +104,17 @@ public class StructParser implements TopLevelParser {
/* ---------- 构造函数 init ---------- */ /* ---------- 构造函数 init ---------- */
case "init" -> { case "init" -> {
if (init != null) { FunctionNode ctor = parseInit(ctx, structName);
// 按参数个数去重
for (FunctionNode ex : inits) {
if (ex.parameters().size() == ctor.parameters().size()) {
throw new UnexpectedToken( throw new UnexpectedToken(
"重复定义 init 构造函数", "重复定义 init 构造函数 (参数数量冲突)",
ts.peek().getLine(), ts.peek().getCol()); ts.peek().getLine(), ts.peek().getCol());
} }
init = parseInit(ctx, structName); }
inits.add(ctor);
} }
/* ---------- 普通方法 function ---------- */ /* ---------- 普通方法 function ---------- */
@ -119,8 +124,8 @@ public class StructParser implements TopLevelParser {
case "end" -> { case "end" -> {
ts.expect("end"); ts.expect("end");
ts.expect("struct"); ts.expect("struct");
// 返回完整结构体 AST 节点 return new StructNode(structName, parentName,
return new StructNode(structName, parentName, fields, init, methods, fields, inits, methods,
new NodeContext(line, col, file)); new NodeContext(line, col, file));
} }