Complete rework, adding packages

compiler.h

@@ -112,19 +112,19 @@ struct Token{
     S64 indent;
   };
 
-  String file;
-  S32    line;
-  U8    *line_begin;
+  Intern_String file;
+  S32           line;
+  U8           *line_begin;
 };
 
 struct Lex_Stream{
   String stream;
   S64    iter;
 
-  U8    *line_begin;
-  String file;
-  S32    line;
-  S32    inside_brace_paren;
+  U8            *line_begin;
+  Intern_String  file;
+  S32            line;
+  S32            inside_brace_paren;
   Array<Token *> indent_stack;
 };
 
@@ -154,6 +154,7 @@ Intern_String keyword_if;
 Intern_String keyword_else;
 Intern_String keyword_true;
 Intern_String keyword_false;
+Intern_String keyword_package;
 Intern_String keyword_for;
 Intern_String keyword_pass;
 Intern_String keyword_cast;
@@ -163,8 +164,10 @@ Intern_String intern_void;
 Intern_String intern_foreign;
 Intern_String intern_printf;
 
+
+struct Ast_Scope;
+struct Ast_Decl;
 struct Ast_Package;
-struct Sym;
 struct Parse_Ctx:Lexer{
   Allocator *perm; // Stores: AST, tokens, interns
   Allocator *heap;
@@ -172,15 +175,12 @@ struct Parse_Ctx:Lexer{
   U64 unique_ids;
   Map type_map;
 
+  Ast_Scope *current_scope;
   Ast_Package *resolving_package;
-  Map resolved;
-  Map syms;
-  S32 scope;
-  Array<Sym *> local_syms;
+  Array<Ast_Decl *> ordered_decls;
 
   Token empty_token;
   S64 indent;
-
   String_Builder gen;
 };
 
@@ -201,6 +201,7 @@ lex_init(Allocator *token_string_arena, Allocator *map_allocator, Lexer *l){
   keyword_cast = l->intern("cast"_s);
   keyword_true = l->intern("true"_s);
   keyword_false = l->intern("false"_s);
+  keyword_package = l->intern("package"_s);
   keyword_return = l->intern("return"_s);
   keyword_if = l->intern("if"_s);
   keyword_pass = l->intern("pass"_s);
@@ -220,10 +221,8 @@ parse_init(Parse_Ctx *ctx, Allocator *perm_allocator, Allocator *heap_allocator)
   ctx->perm = perm_allocator;
   ctx->heap = heap_allocator;
   ctx->gen        = {ctx->perm};
-  ctx->resolved   = {ctx->heap};
-  ctx->syms       = {ctx->heap};
+  ctx->ordered_decls = {ctx->heap};
   ctx->type_map   = {ctx->heap};
-  ctx->local_syms = {ctx->heap};
   bigint_allocator = ctx->perm;
 
   lex_init(ctx->perm, ctx->heap, ctx);