Add a StackIdx type alias

src/controllers/plugins/LuaUtilities.cpp

@@ -9,25 +9,26 @@
 #include <cstdlib>
 
 namespace chatterino::lua {
-int pushEmptyArray(lua_State *L, int countArray)
+
+StackIdx pushEmptyArray(lua_State *L, int countArray)
 {
     lua_createtable(L, countArray, 0);
     return lua_gettop(L);
 }
 
-int pushEmptyTable(lua_State *L, int countProperties)
+StackIdx pushEmptyTable(lua_State *L, int countProperties)
 {
     lua_createtable(L, 0, countProperties);
     return lua_gettop(L);
 }
 
-int push(lua_State *L, const QString &str)
+StackIdx push(lua_State *L, const QString &str)
 {
     lua_pushstring(L, str.toStdString().c_str());
     return lua_gettop(L);
 }
 
-int push(lua_State *L, const CommandContext &ctx)
+StackIdx push(lua_State *L, const CommandContext &ctx)
 {
     auto outIdx = pushEmptyTable(L, 2);
 
@@ -39,13 +40,13 @@ int push(lua_State *L, const CommandContext &ctx)
     return outIdx;
 }
 
-int push(lua_State *L, const bool &b)
+StackIdx push(lua_State *L, const bool &b)
 {
     lua_pushboolean(L, int(b));
     return lua_gettop(L);
 }
 
-bool peek(lua_State *L, double *out, int idx)
+bool peek(lua_State *L, double *out, StackIdx idx)
 {
     int ok{0};
     auto v = lua_tonumberx(L, idx, &ok);
@@ -56,7 +57,7 @@ bool peek(lua_State *L, double *out, int idx)
     return ok != 0;
 }
 
-bool peek(lua_State *L, QString *out, int idx)
+bool peek(lua_State *L, QString *out, StackIdx idx)
 {
     size_t len{0};
     const char *str = lua_tolstring(L, idx, &len);

src/controllers/plugins/LuaUtilities.hpp

@@ -12,16 +12,18 @@ class CommandContext;
 
 namespace chatterino::lua {
 
-int pushEmptyArray(lua_State *L, int countArray);
+using StackIdx = int;
-int pushEmptyTable(lua_State *L, int countProperties);
 
-int push(lua_State *L, const CommandContext &ctx);
+StackIdx pushEmptyArray(lua_State *L, int countArray);
-int push(lua_State *L, const QString &str);
+StackIdx pushEmptyTable(lua_State *L, int countProperties);
-int push(lua_State *L, const bool &b);
+
+StackIdx push(lua_State *L, const CommandContext &ctx);
+StackIdx push(lua_State *L, const QString &str);
+StackIdx push(lua_State *L, const bool &b);
 
 // returns OK?
-bool peek(lua_State *L, double *out, int idx = -1);
+bool peek(lua_State *L, double *out, StackIdx idx = -1);
-bool peek(lua_State *L, QString *out, int idx = -1);
+bool peek(lua_State *L, QString *out, StackIdx idx = -1);
 
 /// TEMPLATES
 
@@ -54,7 +56,7 @@ int push(lua_State *L, QList<T> vec)
 }
 
 template <typename T>
-bool pop(lua_State *L, T *out, int idx = -1)
+bool pop(lua_State *L, T *out, StackIdx idx = -1)
 {
     auto ok = peek(L, out, idx);
     if (ok)