view tests/agcl/bugs/good/wraperror.h @ 21:1c9dac05d040

Add lint-style FALLTHROUGH annotations to fallthrough cases. (in the parse engine and thus the output code) Document this, because the old output causes warnings with gcc10.
author David A. Holland
date Mon, 13 Jun 2022 00:04:38 -0400
parents 13d2b8934445
children
line wrap: on
line source

#ifndef WRAPERROR_H
#define WRAPERROR_H

#ifndef AG_OBJECT_WRAPPER_DEFINED
#define AG_OBJECT_WRAPPER_DEFINED

#ifndef AG_PLACEMENT_DELETE_REQUIRED
#if _MSC_VER >= 1200 || __INTEL_COMPILER
#define AG_PLACEMENT_DELETE_REQUIRED 1
#endif
#endif

template <class Object>
class AgObjectWrapper {
  Object object;
public:
  void operator delete(void *) {}
  void *operator new(size_t, void *p) { return p;}
#if AG_PLACEMENT_DELETE_REQUIRED
  void operator delete(void *, void *) { }
#endif
  AgObjectWrapper(const Object &o) : object(o) {}
  ~AgObjectWrapper() {}
  operator Object &() {return object;}
};

#endif

typedef union {
  long alignment;
  char ag_vt_2[sizeof(int)];
  char ag_vt_4[sizeof(AgObjectWrapper<foo >)];
  char ag_vt_5[sizeof(bar)];
} wraperror_vs_type;

typedef enum {
  wraperror_file_token = 1, wraperror_declarations_token,
  wraperror_eof_token, wraperror_declaration_token,
  wraperror_foo_decl_token = 6, wraperror_bar_decl_token = 8,
  wraperror_error_token
} wraperror_token_type;

typedef struct wraperror_pcb_struct{
  wraperror_token_type token_number, reduction_token, error_frame_token;
  int input_code;
  int input_value;
  int line, column;
  int ssx, sn, error_frame_ssx;
  int drt, dssx, dsn;
  int ss[128];
  wraperror_vs_type vs[128];
  int ag_ap;
  const char *error_message;
  char read_flag;
  char exit_flag;
  int bts[128], btsx;
  char ag_msg[82];
} wraperror_pcb_type;

#ifndef PRULE_CONTEXT
#define PRULE_CONTEXT(pcb)  (&((pcb).cs[(pcb).ssx]))
#define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
#define PCONTEXT(pcb)       ((pcb).cs[(pcb).ssx])
#endif

#ifndef AG_RUNNING_CODE
/* PCB.exit_flag values */
#define AG_RUNNING_CODE         0
#define AG_SUCCESS_CODE         1
#define AG_SYNTAX_ERROR_CODE    2
#define AG_REDUCTION_ERROR_CODE 3
#define AG_STACK_ERROR_CODE     4
#define AG_SEMANTIC_ERROR_CODE  5
#endif

extern wraperror_pcb_type wraperror_pcb;
void init_wraperror(void);
void wraperror(void);
#endif