Core: Add Ast_Label

core_compiler_interface.hpp

@@ -334,6 +334,7 @@ enum Ast_Kind : uint32_t {
     AST_TYPE_OF,
     AST_VARGS_LAMBDA_PARAM,
 
+    AST_LABEL,
     AST_SWITCH,
     AST_SWITCH_CASE,
     AST_VAR_UNPACK,
@@ -404,17 +405,6 @@ struct Ast_Expr : Ast {
     };
 };
 
-/* Typespecs
-*int - (AST_UNARY=TK_Pointer Ast_Unary) == TYPE_POINTER
-int  - (AST_IDENT Ast_Atom)   == TYPE_INT ..
-[]   - (Ast_Array AST_ARRAY)  == TYPE_SLICE
-[3]   - (Ast_Array AST_ARRAY)  == TYPE_ARRAY
-Array(int) - (Ast_Call AST_CALL) == TYPE_STRUCT, TYPE_UNION
-
-
-
-*/
-
 struct Ast_Atom : Ast_Expr {
     // We have a field type here
     // it has a different purpose from the
@@ -501,10 +491,25 @@ struct Ast_Builtin : Ast_Expr {
 
 // Problem: We are parsing out of order, in the middle of parsing a function
 // we can jump down a different function, we cant therfore use global map.
+// Because it would have symbols from previous function we were in middle of resolving.
+//
 // On top of that in the future we want a way to inject scopes, for convenience.
 // Each scope needs to have it's checked locals list. To lookup syms we need to
 // look into global scope and to the locals list.
 //
+//
+// This seems slow though, would be nice to have a simpler scheme that's more flat.
+// Would be nice to just reuse single map while resolving that would keep track of which
+// function we are resolving.
+//
+// Also would be nice to have a more flat module scheme. The Ion approach seemed
+// very straight forward when I looked at it. It used a single locals list with
+// an index that signified from where we should consider declarations. Not really
+// sure how the packages worked though.
+//
+// The idea that you have a flat list of packages, each package has a flat list of declarations.
+// Seems nice.
+//
 
 struct Ast_Return : Ast {
     Ast_Type *resolved_type;
@@ -521,6 +526,7 @@ struct Ast_If : Ast {
     Array<Ast_If_Node *> ifs;
 };
 
+// @todo: Ast_Simple_Stmt
 #define Ast_Pass Ast
 #define Ast_Break Ast
 
@@ -615,6 +621,7 @@ struct Ast_Decl : Ast {
     Intern_String name;
     Intern_String unique_name; // For code generation, currently only present on lambdas
 
+    // @todo: Move this to Ast_Operator_Overload
     uint64_t operator_overload_arguments_hash;
     Ast_Operator_Info *overload_op_info;
 
@@ -651,6 +658,10 @@ meta.inline_value_fields()
     /*END*/
 };
 
+struct Ast_Label : Ast_Decl {
+    bool enable_goto;
+};
+
 enum Core_Message_Kind {
     CORE_ERROR,
     CORE_WARNING,