New module scheme

compiler.h

@@ -153,7 +153,6 @@ 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;
@@ -164,10 +163,25 @@ Intern_String intern_foreign;
 Intern_String intern_strict;
 Intern_String intern_flag;
 
-
 struct Ast_Scope;
 struct Ast_Decl;
-struct Ast_Package;
+struct Ast_File_Namespace;
+struct Ast_File;
+struct Ast_Module{
+  Intern_String name;
+  Array<Ast_File *> files;
+};
+
+struct Ast_File{
+  Intern_String filename;
+  Ast_Module *module;
+
+  B32 global_implicit_load;
+  String filecontent;
+  Intern_String name;
+  Ast_Scope *scope;
+};
+
 struct Parse_Ctx:Lexer{
   Allocator *perm; // Stores: AST, tokens, interns
   Allocator *heap;
@@ -175,8 +189,10 @@ struct Parse_Ctx:Lexer{
   U64 unique_ids;
   Map type_map;
 
-  Array<Ast_Package *> packages;
+  Array<Ast_Module *> modules;
+  Array<Ast_File_Namespace *> packages;
   Ast_Scope *currently_parsed_scope;
+  Ast_File *currently_parsed_file;
   Array<Ast_Decl *> ordered_decls;
 
   S64 indent;
@@ -200,7 +216,6 @@ 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);
@@ -223,6 +238,7 @@ parse_init(Parse_Ctx *ctx, Allocator *perm_allocator, Allocator *heap_allocator)
   ctx->gen        = {ctx->perm};
   ctx->ordered_decls = {ctx->heap};
   ctx->type_map   = {ctx->heap};
+  ctx->modules   = {ctx->heap};
   bigint_allocator = ctx->perm;
 
   lex_init(ctx->perm, ctx->heap, ctx);