Class: CallChain

• Inheritance
• Description
• Related information
• Class protocol
  • instance creation
• Instance protocol
  • accessing
  • comparing

Inheritance:

   Object
   |
   +--CallChain

Package:

stx:libbasic3

Category:

System-Debugging-Support

Version:

rev: 1.14 date: 2010/07/04 08:06:27

user: cg

file: CallChain.st directory: libbasic3

module: stx stc-classLibrary: libbasic3

Author:

Claus Gittinger

Description:

This is is used as a companion to MessageTally.
Instances of it are used to represent a calling chain.
They are simply holders for some of the contexts values - no
intelligence here.
(MessageTally could have used the contexts themself, but these
 may create more overhead)

Related information:

    MessageTally
    ProfileTree
    MessageTracer
    AbstractTime

Class protocol:

 callChainTo: aContext stopAtCallerForWhich: aBlock

entered whenever the probed block gets interrupted;
generate a chain of callInfo objects to aContext

Instance protocol:

 isBlock

return true, if this is a callChain for a block-context

 methodClass

return the contexts methods class

 receiver

return the contexts receiver

 receiver: r selector: s class: cls

private tally interface - set receiver, selector and class.
the block flag is cleared.

 receiver: r selector: s class: cls isBlock: blk

private tally interface - set receiver, selector, class
and the block flag.

 rest

return the chains link

 rest: r

set the chains link

 selector

return the contexts selector

 = someInfo

return true, if the argument chain is for the same method invocation

 hash

return an integer useful for hashing on the receiver;
redefined since = is redefined here.