include and use

Wyst.g4

@@ -3,7 +3,7 @@ grammar Wyst;
 WS: [ \t\r\n]+ -> skip;
 NUMBER: [1-9][0-9]* | '0';
 HEX: '0x' [a-fA-F0-9]*;
-IDENTIFIER: [a-zA-Z_] ([a-zA-Z0-9_] | '::')*;
+IDENTIFIER: [a-zA-Z_] [a-zA-Z0-9_]* ('::' [a-zA-Z_] [a-zA-Z0-9_]*)*;
 MATH: '+' | '-' | '*' | '/';
 fragment ESC: '\\' ['"\\] ;
 STRING: '"' (ESC | ~["\\])* '"';
@@ -16,9 +16,9 @@ var_def: IDENTIFIER IDENTIFIER;
 var_def_set: var_def '=' expr;
 call_tree: (fn_call|IDENTIFIER) ('.' (fn_call|IDENTIFIER))*;
 struct_def: 'struct' IDENTIFIER enum_curly;
-power_keyword: 'map';
-power_keyword_call: '#' power_keyword expr (',' expr)* ';';
 namespace: 'namespace' IDENTIFIER '{' (((var_def|var_def_set) ';')|func_def)* '}';
+import_statement: 'include' IDENTIFIER ';';
+use_statement: 'use' IDENTIFIER ';';
 
 expr:
     (
@@ -34,9 +34,11 @@ code_block: '{' ((
     var_def |
     var_def_set
 ) ';')* '}';
+
 top: (
-    power_keyword_call |
     func_def |
     struct_def |
-    namespace
+    namespace |
+    import_statement |
+    use_statement
 )*;