%include {
#include <assert.h>
#include <stdlib.h>
}

%syntax_error {
  printf("***SYNTAX ERROR (trying recovery)\n");
}

%parse_failure {
  printf("***PARSING FAILED!!!!\n");
  exit(99);
}

%parse_accept {
  printf("SUCCESSFUL PARSE!!!\n");
}




configuration ::= stanzas.                                 {;}

stanzas ::= stanzas stanza.                                {;}
stanzas ::= .                                              {;}

stanza ::= STANZA name(A) LBRACE settings RBRACE.          {printf("Found stanza named '%s'\n",A);}

settings ::= settings setting.                             {;}
settings ::= .                                             {;}

setting ::= variable(A) EQUAL value(B) SEMICOLON.          {printf("Found setting '%s' = '%s'\n",A,B);}

name(A) ::= IDENTIFIER(B).                                 {A = B;}
variable(A) ::= IDENTIFIER(B).                             {A = B;}
value(A) ::= STRING(B).                                    {A = B;}
value(A) ::= NUMBER(B).                                    {A = B;}