Start fixing field instances

Author: jaredlll08

CodeModel/src/main/java/org/openzen/zenscript/codemodel/member/FieldMember.java

@@ -152,6 +152,16 @@ public TypeID getType() {
 		return type;
 	}
 
+	@Override
+	public void setType(TypeID type) {
+		super.setType(type);
+
+		if (autoGetter != null)
+			this.autoGetter.setType(type);
+		if (autoSetter != null)
+			this.autoSetter.setType(type);
+	}
+
 	@Override
 	public Modifiers getModifiers() {
 		return modifiers;

CodeModel/src/main/java/org/openzen/zenscript/codemodel/member/GetterMember.java

@@ -31,13 +31,18 @@ public void setBody(Statement body) {
 		this.body = body;
 
 		if (type == BasicTypeID.UNDETERMINED) {
-			body.getReturnType().ifPresent(returnType -> {
-				this.type = returnType;
-				this.header = new FunctionHeader(type);
-			});
+			body.getReturnType().ifPresent(this::setType);
 		}
 	}
 
+	public void setType(TypeID type) {
+		if (type == null) {
+			throw new NullPointerException();
+		}
+		this.type = type;
+		this.header = new FunctionHeader(type);
+	}
+
 	@Override
 	public String getCanonicalName() {
 		return definition.getFullName() + ":get:" + name;

CodeModel/src/main/java/org/openzen/zenscript/codemodel/member/PropertyMember.java

@@ -14,7 +14,7 @@ public PropertyMember(CodePosition position, HighLevelDefinition definition, Mod
 		if (type == null)
 			throw new NullPointerException();
 
-		this.type = type;
+		this.setType(type);
 	}
 
 	public TypeID getType() {

CodeModel/src/main/java/org/openzen/zenscript/codemodel/member/SetterMember.java

@@ -34,6 +34,15 @@ public void setBody(Statement body) {
 		this.body = body;
 	}
 
+	public void setType(TypeID type) {
+		if (type == null) {
+			throw new NullPointerException();
+		}
+		this.type = type;
+		this.parameter = new FunctionParameter(type, "$");
+		this.header = new FunctionHeader(BasicTypeID.VOID, this.parameter);
+	}
+
 	@Override
 	public String getCanonicalName() {
 		return definition.getFullName() + ":get:" + name;
@@ -67,9 +76,7 @@ public <C, R> R accept(C context, MemberVisitorWithContext<C, R> visitor) {
 	@Override
 	public void inferFromOverride(MethodInstance overrides) {
 		if (type == BasicTypeID.UNDETERMINED) {
-			this.type = overrides.getHeader().getReturnType();
-			parameter = new FunctionParameter(overrides.getHeader().getReturnType(), "$");
-			header = new FunctionHeader(BasicTypeID.VOID, parameter);
+			setType(overrides.getHeader().getReturnType());
 		}
 	}
 

ScriptingEngineTester/src/main/resources/zencode_tests/classes/field_with_initializer.zc

@@ -0,0 +1,7 @@
+#output: Hello World
+
+public class MyClass {
+	public static var myVariable = "Hello World";
+}
+
+println(MyClass.myVariable);