From daec168f56a133a260b64b016de8609289e7a448 Mon Sep 17 00:00:00 2001
From: AOYAMA Kazuharu <a.kazuharu@gmail.com>
Date: Sun, 14 Apr 2024 20:12:29 +0900
Subject: [PATCH] fix compilation error

---
 codegenerator.cpp | 2 +-
 compiler.cpp      | 2 ++
 main.cpp          | 2 ++
 print.cpp         | 2 ++
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/codegenerator.cpp b/codegenerator.cpp
index b5195a4..b76bc3f 100644
--- a/codegenerator.cpp
+++ b/codegenerator.cpp
@@ -119,7 +119,7 @@ QString CodeGenerator::generateMainFunc(bool safety) const
 {
     QString src;
 
-    if (_code.contains(QRegularExpression(" main\\s*\\("))) {
+    if (_code.contains(QRegularExpression(" main\\s*\\("))) {  // main function
         src += _headers;
         src += "\n";
         src += _code;
diff --git a/compiler.cpp b/compiler.cpp
index ea374ed..29799b4 100644
--- a/compiler.cpp
+++ b/compiler.cpp
@@ -249,7 +249,9 @@ int Compiler::compileFileAndExecute(const QString &path)
     }
 
     QTextStream ts(&srcFile);
+#if QT_VERSION >= 0x060000
     ts.setEncoding(QStringConverter::System);
+#endif
     QString src = ts.readLine().trimmed();  // read first line
 
     if (src.startsWith("#!")) {  // check shebang
diff --git a/main.cpp b/main.cpp
index 6d30a48..7020899 100644
--- a/main.cpp
+++ b/main.cpp
@@ -441,7 +441,9 @@ int main(int argv, char *argc[])
     } else if (QCoreApplication::arguments().contains("-")) {  // Check pipe option
         QString src;
         QTextStream tsstdin(stdin);
+#if QT_VERSION >= 0x060000
         tsstdin.setEncoding(QStringConverter::System);
+#endif
         while (!tsstdin.atEnd()) {
             src += tsstdin.readAll();
         }
diff --git a/print.cpp b/print.cpp
index 374fcf7..dfa3517 100644
--- a/print.cpp
+++ b/print.cpp
@@ -4,7 +4,9 @@
 Print &Print::globalInstance()
 {
     static Print global;
+#if QT_VERSION >= 0x060000
     global.setEncoding(QStringConverter::System);
+#endif
     global.flush();
     return global;
 }