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CustomClassHandler.hx
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160 lines (130 loc) · 4.29 KB
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package hscript;
import hscript.Interp.DeclaredVar;
import hscript.utils.UnsafeReflect;
using StringTools;
class CustomClassHandler implements IHScriptCustomConstructor {
public static var staticHandler = new StaticHandler();
public var ogInterp:Interp;
public var name:String;
public var fields:Array<Expr>;
public var extend:String;
public var interfaces:Array<String>;
public var cl:Class<Dynamic>;
public function new(ogInterp:Interp, name:String, fields:Array<Expr>, ?extend:String, ?interfaces:Array<String>) {
this.ogInterp = ogInterp;
this.name = name;
this.fields = fields;
this.extend = extend;
this.interfaces = interfaces;
this.cl = extend == null ? TemplateClass : Type.resolveClass('${extend}_HSX');
if(cl == null)
ogInterp.error(EInvalidClass(extend));
}
public function hnew(args:Array<Dynamic>):Dynamic {
#if !HSCRIPT_NO_INT_VARS
throw "todo: do all this lmao -lunar";
return null;
#else
var interp = new Interp();
interp.errorHandler = ogInterp.errorHandler;
var _class:IHScriptCustomClassBehaviour = Type.createInstance(cl, args);
var __capturedLocals = ogInterp.duplicate(ogInterp.locals);
var capturedLocals:Map<String, DeclaredVar> = [];
for(k=>e in __capturedLocals)
if (e != null && e.depth <= 0)
capturedLocals.set(k, e);
var disallowCopy = Type.getInstanceFields(cl);
for (key => value in capturedLocals) {
if(!disallowCopy.contains(key)) {
interp.locals.set(key, {r: value, depth: -1});
}
}
for (key => value in ogInterp.variables) {
if(!disallowCopy.contains(key)) {
interp.variables.set(key, value);
}
}
var comparisonMap = new Map();
for(key => value in interp.variables) {
comparisonMap.set(key, value);
}
_class.__custom__variables = interp.variables;
//trace(fields);
for(expr in fields) {
@:privateAccess
interp.exprReturn(expr);
}
interp.variables.set("super", staticHandler);
_class.__interp = interp; // TODO: Remove
interp.scriptObject = _class;
// get only variables that were not set before
var classVariables = [for(key => value in interp.variables) if(!comparisonMap.exists(key) || comparisonMap[key] != value) key => value];
for(variable => value in classVariables) {
if(variable == "this" || variable == "super") continue;
@:privateAccess
if(!interp.__instanceFields.contains(variable)) {
interp.__instanceFields.push(variable);
}
}
//trace([for(key => value in classVariables) key]);
//@:privateAccess
//trace(interp.__instanceFields);
_class.__allowSetGet = false;
for(variable => value in interp.variables) {
if(variable == "this") continue;
if(variable.startsWith("set_") || variable.startsWith("get_")) {
_class.__allowSetGet = true;
}
}
var newFunc = interp.variables.get("new");
if(newFunc != null) {
UnsafeReflect.callMethodUnsafe(null, newFunc, args);
}
var newFunc = interp.variables.get("new");
if(newFunc != null) {
UnsafeReflect.callMethodUnsafe(null, newFunc, args);
}
return _class;
#end
}
public function toString():String {
return name;
}
}
class TemplateClass implements IHScriptCustomClassBehaviour implements IHScriptCustomBehaviour {
public var __interp:Interp; // TODO: Remove
public var __custom__variables:Map<String, Dynamic>;
public var __allowSetGet:Bool = true;
public function hset(name:String, val:Dynamic):Dynamic {
if(__allowSetGet && __custom__variables.exists("set_" + name))
return __callSetter(name, val);
if (__custom__variables.exists(name)) {
__custom__variables.set(name, val);
return val;
}
UnsafeReflect.setProperty(this, name, val);
return UnsafeReflect.field(this, name);
}
public function hget(name:String):Dynamic {
if(__allowSetGet && __custom__variables.exists("get_" + name))
return __callGetter(name);
if (__custom__variables.exists(name))
return __custom__variables.get(name);
return UnsafeReflect.getProperty(this, name);
}
public function __callGetter(name:String):Dynamic {
__allowSetGet = false;
var v = __custom__variables.get("get_" + name)();
__allowSetGet = true;
return v;
}
public function __callSetter(name:String, val:Dynamic):Dynamic {
__allowSetGet = false;
var v = __custom__variables.get("set_" + name)(val);
__allowSetGet = true;
return v;
}
}
final class StaticHandler {
public function new() {}
}