src/parser/class.js
function() {
    const result = this.node("trait");
    // graceful mode : ignore token & go next
    if (this.token !== this.tok.T_TRAIT) {
      this.error(this.tok.T_TRAIT);
      this.next();
      return null;
    }
    this.next().expect(this.tok.T_STRING);
    let propName = this.node("identifier");
    const name = this.text();
    this.next();
    propName = propName(name);
    this.expect("{");
    const body = this.next().read_class_body();
    return result(propName, body);
  }
function() {
    const result = this.node("trait");
    // graceful mode : ignore token & go next
    if (this.token !== this.tok.T_TRAIT) {
      this.error(this.tok.T_TRAIT);
      this.next();
      return null;
    }
    this.next().expect(this.tok.T_STRING);
    let propName = this.node("identifier");
    const name = this.text();
    this.next();
    propName = propName(name);
    this.expect("{");
    const body = this.next().read_class_body();
    return result(propName, body);
  }
function ( ) { const result = this . node ( "trait" ) ; // graceful mode : ignore token & go next if ( this . token !== this . tok . T_TRAIT ) { this . error ( this . tok . T_TRAIT ) ; this . next ( ) ; return null ; } this . next ( ) . expect ( this . tok . T_STRING ) ; let propName = this . node ( "identifier" ) ; const name = this . text ( ) ; this . next ( ) ; propName = propName ( name ) ; this . expect ( "{" ) ; const body = this . next ( ) . read_class_body ( ) ; return result ( propName , body ) ; }
reading a trait
```ebnf
trait ::= T_TRAIT T_STRING (T_EXTENDS (NAMESPACE_NAME ',')* NAMESPACE_NAME)? '{' FUNCTION* '}'
```
reading a trait ebnf trait :: = T_TRAIT T_STRING ( T_EXTENDS ( NAMESPACE_NAME ) * NAMESPACE_NAME ) ? { FUNCTION * }