From cc106f57e161924a4031e4a84b264f40667e1f10 Mon Sep 17 00:00:00 2001
From: Luke <luke.k.xu@hotmail.com>
Date: Wed, 16 Jul 2025 23:37:15 +0800
Subject: [PATCH] =?UTF-8?q?refactor:=20=E4=BC=98=E5=8C=96=E7=BC=96?=
 =?UTF-8?q?=E8=AF=91=E6=B5=81=E7=A8=8B=EF=BC=8C=E8=AF=8D=E6=B3=95=E5=88=86?=
 =?UTF-8?q?=E6=9E=90=E6=9C=89=E9=94=99=E8=AF=AF=E6=97=B6=E7=AB=8B=E5=8D=B3?=
 =?UTF-8?q?=E7=BB=88=E6=AD=A2?=
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- 在语法分析之前增加对词法分析错误的检查
- 若词法阶段存在错误，立即终止编译，避免进入后续的语法及语义分析
- 这种优化可以减少不必要的计算，提高编译效率
---
 src/main/java/org/jcnc/snow/pkg/tasks/CompileTask.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/java/org/jcnc/snow/pkg/tasks/CompileTask.java b/src/main/java/org/jcnc/snow/pkg/tasks/CompileTask.java
index 7ce1633..f570bee 100644
--- a/src/main/java/org/jcnc/snow/pkg/tasks/CompileTask.java
+++ b/src/main/java/org/jcnc/snow/pkg/tasks/CompileTask.java
@@ -168,6 +168,11 @@ public final class CompileTask implements Task {
 
             // 词法、语法分析
             LexerEngine lexer = new LexerEngine(code, p.toString());
+            // 若词法阶段存在错误，立即终止编译，避免进入后续的语法及语义分析
+            if (!lexer.getErrors().isEmpty()) {
+                return 1;
+            }
+
             ParserContext ctx = new ParserContext(lexer.getAllTokens(), p.toString());
             allAst.addAll(new ParserEngine(ctx).parse());
         }