From 2df0031d8f71c4677908f451d34282fc0c369c7d Mon Sep 17 00:00:00 2001
From: qcqcqc <1220204124@zust.edu.cn>
Date: Mon, 5 Jan 2026 11:06:16 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E9=99=90=E5=88=B6=E9=94=99=E8=AF=AF?=
 =?UTF-8?q?=E4=BF=A1=E6=81=AF=E7=9A=84=E6=9C=80=E5=A4=A7=E8=BE=93=E5=87=BA?=
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---
 lib/compiler/tscBuilder.js | 14 ++++++++++++--
 src/compiler/tscBuilder.ts | 16 ++++++++++++++--
 2 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/lib/compiler/tscBuilder.js b/lib/compiler/tscBuilder.js
index b106508..a2cf043 100644
--- a/lib/compiler/tscBuilder.js
+++ b/lib/compiler/tscBuilder.js
@@ -74,9 +74,19 @@ function printDiagnostic(diagnostic, index) {
         const lineStart = sourceFile.getPositionOfLineAndCharacter(line, 0);
         const lineEnd = sourceFile.getPositionOfLineAndCharacter(line + 1, 0);
         const lineText = sourceFile.text.substring(lineStart, lineEnd).trimEnd();
+        // 限制显示的最大字符数，避免输出过长
+        const maxDisplayLength = 100;
+        const displayText = lineText.length > maxDisplayLength
+            ? lineText.substring(0, maxDisplayLength) + colors.gray + '...' + colors.reset
+            : lineText;
+        // 如果代码被截断，调整错误标记的显示位置
+        const effectiveCharacter = character < maxDisplayLength ? character : maxDisplayLength - 1;
+        const effectiveLength = character + (diagnostic.length || 0) <= maxDisplayLength
+            ? Math.max(1, diagnostic.length || 0)
+            : Math.max(1, maxDisplayLength - character);
         console.log(`${colors.cyan}│${colors.reset}`);
-        console.log(`${colors.cyan}│${colors.reset} ${colors.gray}${line + 1}${colors.reset} │ ${lineText}`);
-        console.log(`${colors.cyan}│${colors.reset}   ${' '.repeat(String(line + 1).length)}│ ${' '.repeat(character)}${colors.red}${'~'.repeat(Math.max(1, diagnostic.length || 0))}${colors.reset}`);
+        console.log(`${colors.cyan}│${colors.reset} ${colors.gray}${line + 1}${colors.reset} │ ${displayText}`);
+        console.log(`${colors.cyan}│${colors.reset}   ${' '.repeat(String(line + 1).length)}│ ${' '.repeat(effectiveCharacter)}${colors.red}${'~'.repeat(effectiveLength)}${colors.reset}`);
         // 如果是自定义诊断，显示额外信息
         if (isCustom) {
             const customDiag = diagnostic;
diff --git a/src/compiler/tscBuilder.ts b/src/compiler/tscBuilder.ts
index 0f3a623..06c7460 100644
--- a/src/compiler/tscBuilder.ts
+++ b/src/compiler/tscBuilder.ts
@@ -132,9 +132,21 @@ function printDiagnostic(diagnostic: ts.Diagnostic | CustomDiagnostic, index: nu
         const lineEnd = sourceFile.getPositionOfLineAndCharacter(line + 1, 0);
         const lineText = sourceFile.text.substring(lineStart, lineEnd).trimEnd();
 
+        // 限制显示的最大字符数，避免输出过长
+        const maxDisplayLength = 100;
+        const displayText = lineText.length > maxDisplayLength 
+            ? lineText.substring(0, maxDisplayLength) + colors.gray + '...' + colors.reset
+            : lineText;
+        
+        // 如果代码被截断，调整错误标记的显示位置
+        const effectiveCharacter = character < maxDisplayLength ? character : maxDisplayLength - 1;
+        const effectiveLength = character + (diagnostic.length || 0) <= maxDisplayLength 
+            ? Math.max(1, diagnostic.length || 0)
+            : Math.max(1, maxDisplayLength - character);
+
         console.log(`${colors.cyan}│${colors.reset}`);
-        console.log(`${colors.cyan}│${colors.reset} ${colors.gray}${line + 1}${colors.reset} │ ${lineText}`);
-        console.log(`${colors.cyan}│${colors.reset}   ${' '.repeat(String(line + 1).length)}│ ${' '.repeat(character)}${colors.red}${'~'.repeat(Math.max(1, diagnostic.length || 0))}${colors.reset}`);
+        console.log(`${colors.cyan}│${colors.reset} ${colors.gray}${line + 1}${colors.reset} │ ${displayText}`);
+        console.log(`${colors.cyan}│${colors.reset}   ${' '.repeat(String(line + 1).length)}│ ${' '.repeat(effectiveCharacter)}${colors.red}${'~'.repeat(effectiveLength)}${colors.reset}`);
 
         // 如果是自定义诊断，显示额外信息
         if (isCustom) {