Started load directive.

module.jai

@@ -4,6 +4,8 @@
 #load "Semantic_Analysis.jai";
 #load "Codegen.jai";
 
+#import "File_Utilities";
+
 add_define :: (env : *Environment, key : string) {
 	for define : env.defines {
 		if define == key {
@@ -143,8 +145,11 @@ Token_Stream :: struct {
 	tokens : [..]Token;
 }
 
-Compile_Result :: struct {	
+Compile_Result :: struct {
 	file : Input_File;
+
+	environment : Environment;
+	
 	tokens : Token_Stream;
 	root  : *AST_Node;
 	nodes : [..]AST_Node;
@@ -192,6 +197,10 @@ record_error :: (result : *Compile_Result, format : string, args : .. Any) {
 }
 
 make_file :: (result : *Compile_Result, path : string) -> Input_File {
+	if !file_exists(path) {
+		record_error(result, "Unable to load file: %", path);
+		return .{};
+	}
 	file_string, ok := read_entire_file(path);
 
 	if !ok {
@@ -479,6 +488,7 @@ compile_file :: (compiler : *Shader_Compiler, path : string) -> Compile_Result {
 	result.allocator = make_arena(*result.arena);
 
 	result.file = make_file(*result, path);
+	result.environment = compiler.environment;
 
 	lex(*result);
 	parse(*result);