Use newest primitives for character class and string matching

grammar_parser.meta

@@ -131,7 +131,7 @@ Object.last() { self[self.length() - 1] }
 //}
 
 //Stream.atEnd() { self.position >= self.limit }
-Stream.peek()  { !self.atEnd() && self.content[self.position] }
+Stream.peek()  { self.content[self.position] }
 //Stream.inc()   { !self.atEnd() && { self.position = self.position + 1; } }
 
 //Stream.setLastBegin = () { self.lastBegin = self.position; };
@@ -170,7 +170,7 @@ StringLiteral.match(stream, context, actions) {
 StringLiteral.getMatchingExpression() {
     //return `(@stream).match(@self.string) && ((@stream).position += len(@self.string)) && @true;
     return `{
-        if (stream.match(@self.string)) {
+        if (stream.content.compareFrom(stream.position, @self.string) == 0) {
             stream.position += len(@self.string);
             @true;
         } else {
@@ -330,7 +330,7 @@ CharacterClass.staticmatch(stream, context, actions, value) {
 
 CharacterClass.getMatchingExpression() {
     //return `CharacterClass.staticmatch(@stream, @context, @actions, @self.value);
-    return `{ CharacterClass.staticmatch(stream, context, actions, @self.value) };
+    return `{ !stream.atEnd() && (@self.value).charClass().bitTest(stream.peek()) && stream.inc() && @true };
 }
 
 // Dot