Little break work on grammer, added Object trait to other stdlib objects

stdlib/grammer.krak

@@ -0,0 +1,34 @@
+import string
+import vector
+import set
+import symbol
+
+obj rule (Object) {
+    var lhs: symbol::symbol
+    var rhs: vector::vector<symbol::symbol>
+    var position: int
+    var lookahead: set::set<symbol::symbol>
+
+    fun construct(): rule* {
+        lhs.construct()
+        rhs.construct()
+        position = 0
+        lookahead.construct()
+    }
+    fun copy_construct(old: rule*) {
+        lhs.copy_construct(&rule->lhs)
+        rhs.copy_construct(&rule->rhs)
+        position = rule->position
+        lookahead.copy_construct(&rule->lookahead)
+    }
+    fun operator=(other: rule) {
+        destruct()
+        copy_construct(&other)
+    }
+    fun destruct() {
+        lhs.destruct()
+        rhs.destruct()
+        lookahead.destruct()
+    }
+}
+

stdlib/lexer.krak

@@ -4,7 +4,7 @@ import string
 import vector
 import util
 
-obj lexer {
+obj lexer (Object) {
     var regs: vector::vector<regex::regex>
     var input: string::string
     var position: int

stdlib/map.krak

@@ -11,7 +11,7 @@ fun map<T,U>(key:T, value:U): map<T,U> {
     return toRet
 }
 
-obj map<T,U> {
+obj map<T,U> (Object) {
     var keys: vector::vector<T>
     var values: vector::vector<U>
 

stdlib/regex.krak

@@ -14,7 +14,7 @@ fun regex(in: string::string):regex {
     return out
 }
 
-obj regexState(Object) {
+obj regexState (Object) {
     var character: char
     var next_states: vector::vector<regexState*>
     fun construct(charIn:char): regexState* {
@@ -40,7 +40,7 @@ obj regexState(Object) {
     }
 }
 
-obj regex(Object) {
+obj regex (Object) {
     var regexString: string::string
     var begin: regexState*
 

stdlib/set.krak

@@ -18,7 +18,7 @@ fun from_vector<T>(items: vector::vector<T>): set<T> {
     return toRet
 }
 
-obj set<T> {
+obj set<T> (Object) {
     var data: vector::vector<T>
     fun construct() {
         data.construct()

stdlib/symbol.krak

@@ -20,7 +20,7 @@ fun symbol(nameIn: string::string, terminalIn: bool, dataIn: string::string): sy
     return toRet
 }
 
-obj symbol {
+obj symbol (Object) {
     var data: string::string
     var name: string::string
     var terminal: bool

stdlib/util.krak

@@ -17,7 +17,7 @@ fun make_pair<T,U>(first: T, second: U): pair<T,U> {
     return it
 }
 
-obj pair<T,U>(Object) {
+obj pair<T,U> (Object) {
     var first: T
     var second: U