help.h

eC++编译器源码

/* This module provides a convenient interface to the Debugger */
/* BOTH THE RFC AND MOD FILES OF THE MODULES TO BE DEBUGGED MUST BE ACCESSIBLE*/
#pragma Help

/*--------------------------------------------------------------*/
/* "Look" prompts the user for the name.                        */
/* Name can have one of the  following forms:                   */
/*   $a=STRING                                                  */
/*    creates a tag which user can use later to refer to STRING.*/
/*   $a=                                                        */
/*    deletes the tag from the tag list.                        */
/*   $a                                                         */
/*    displays the value of the entities associated with STRING */
/*    which is refered to by tag a.                             */
/*   $a.STRING                                                  */
/*    displays the value of the entities associated with STRING */
/*    which is qualified by the STRING associated with tag a.   */
/*   STRING                                                     */
/*    will display the value of the entities associated with    */
/*    STRING.                                                   */
/*   !                                                          */
/*    will exit the debugger and continue program execution.    */
/*--------------------------------------------------------------*/
/* The following convention is used for STRING:                 */
/*   [.MODNAME.]{PROCNAME|LOCALMODNAME.}ENTITY                  */
/* The default MODNAME is the name of the module that calls     */
/* the debugger. PROCNAME or LOCALMODNAME is the name of the    */
/* procedure which statically encloses rest of the STRING. ENTITY*/
/* is the name of the entity whose value is to be displayed.    */
/* An ENTITY may also be followed by a subscript or a subrange  */
/* if it is an array, e.g. .Mod.array[3..9] prints 7 elements.  */
/* If ENTITY is a procedure name, the heading is listed.        */
/* .system.m lists the loaded modules; .system.c the call chain.*/
/* If ENTITY is a module name, the first few lines are listed.  */
/* Module names can also be subscripted to examine the line     */
/* identified in the call chain trace.                          */
/* If ENTITY is a variable with a type name of "Coroutine", the */
/* debugger will query the user to switch to that coroutine for */
/* purposes of examining its state.  After switching, you can   */
/* switch back to the calling coroutine by naming it in a       */
/* coroutine variable or by entering ".system.r" to revert. The */
/* latter is recommended.                                       */
   
  void Assert(boolean b); /* debugger called if invariant b is FALSE */

  void Look();