Target.hpp: Simplify the Target::forName function and change its return type to unique_ptr instead of shared_ptr

Signed-off-by: Username404 <w.iron.zombie@gmail.com>

src/headers/transpiler/Target.hpp

@@ -140,7 +140,7 @@ public:
         }));
         return staticMap;
     };
-    static shared_ptr<Target> forName(string_view name, bool newLines);
+    static unique_ptr<Target> forName(string_view name, bool newLines);
     string transpileWithTree(const ParseTree& tree) {
         separator = newLines ? "\n" : (use_uniqueLineSeparator() ? uniqueLineSeparator().value() : throw Yerbacon::Exception("--newlines=off is not supported by the current target"));
         output.str(string());
@@ -156,39 +156,19 @@ public:
 #include "implementations/Js.hpp"
 #include "implementations/Py.hpp"
 
-enum LANGUAGE: signed short { NONE = -1, LUA, JS, PY };
-constinit const array<string_view, 3> languages { "lua", "js", "py" };
-
-shared_ptr<Target> Target::forName(string_view name, const bool newLines = true) {
-    LANGUAGE selected = NONE;
-    for (unsigned int i = 0; i < languages.size(); ++i) {
-        if (name == languages[i]) {
-            selected = static_cast<LANGUAGE>(i);
-            break;
-        }
-    }
-    shared_ptr<Target> target;
-    #define ADDTARGET(X) target = shared_ptr<X>(new X(newLines))
-    switch (selected) {
-    #ifdef LUA_HPP
-        case LUA: ADDTARGET(LUA_HPP); break;
-    #endif
-    #ifdef JS_HPP
-        case JS: ADDTARGET(JS_HPP); break;
-    #endif
-    #ifdef PY_HPP
-        case PY: ADDTARGET(PY_HPP); break;
-    #endif
-        case NONE:
-        default: Yerbacon::fail({"\"", string(1, (char) toupper(name.at(1))).data(), name.substr(2).data(), "\" is not a valid target."});
-    }
+unique_ptr<Target> Target::forName(string_view name, const bool newLines = true) {
+    #define ADDTARGET(X, target_class) if (name == X) return unique_ptr<target_class>(new target_class(newLines))
+    ADDTARGET("lua", LuaTarget);
+    ADDTARGET("js", JsTarget);
+    ADDTARGET("py", PyTarget);
     #undef ADDTARGET
     #undef make_nonlocal_task
     #undef make_task_noR
     #undef make_task
     #undef make_task_base_R
     #undef make_task_base
-    return target;
+    Yerbacon::fail({"\"", to_string(toupper(name.at(1))).data(), name.substr(2).data(), "\" is not a valid target."});
+    return nullptr;
 }
 
 #endif //YERBACON_TARGET_HPP

src/headers/transpiler/implementations/Js.hpp

@@ -1,5 +1,5 @@
 #ifndef JS_HPP
-#define JS_HPP JsTarget
+#define JS_HPP
 using namespace StandardComponents;
 
 struct JsTarget: Target {

src/headers/transpiler/implementations/Lua.hpp

@@ -1,5 +1,5 @@
 #ifndef LUA_HPP
-#define LUA_HPP LuaTarget
+#define LUA_HPP
 using namespace StandardComponents;
 
 struct LuaTarget: Target {

src/headers/transpiler/implementations/Py.hpp

@@ -1,5 +1,5 @@
 #ifndef PY_HPP
-#define PY_HPP PyTarget
+#define PY_HPP
 using namespace StandardComponents;
 
 struct PyTarget: Target {