Class: BreakpointNode

• Inheritance
• Description
• Instance protocol
  • accessing
  • code generation
  • enumerating
  • evaluation
  • node protocol forwarding
  • printing
  • testing

Inheritance:

   Object
   |
   +--ParseNode
      |
      +--BreakpointNode

Package:

stx:libcomp

Category:

System-Compiler-Debugging

Version:

rev: 1.29 date: 2024/04/08 13:36:21

user: stefan

file: BreakpointNode.st directory: libcomp

module: stx stc-classLibrary: libcomp

Description:

compiler support for statement breakpoints.

copyright
COPYRIGHT (c) 2006 by eXept Software AG
             All Rights Reserved

This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice.   This software may not
be provided or otherwise made available to, or used by, any
other person.  No title to or ownership of the software is
hereby transferred.

Instance protocol:

 breakpoint

 breakpoint: something

 endPosition

(comment from inherited method)
the node's last character position in the original source

 expression

 expression: something

 lineNumber

 lineNumber: lineNumberArg

(comment from inherited method)
set linenumber - ignored here

 realNode

 selectorPosition

 startPosition

(comment from inherited method)
the node's character position in the original source

 codeBreakpointOn: aStream inBlock: b for: aCompiler

 codeForCascadeOn: aStream inBlock: b for: aCompiler

 codeForSideEffectOn: aStream inBlock: b for: aCompiler

(comment from inherited method)
generate code for this statement - value not needed

 codeOn: aStream inBlock: codeBlock for: aCompiler

Transcript showCR:'**** bpCode: %1 expr: %2' with:lineNumber with:expression printString.

 codeStore: valueExpr on: aStream inBlock: codeBlock valueNeeded: valueNeeded for: aCompiler

 codeStoreOn: aStream inBlock: codeBlock valueNeeded: forValue for: aCompiler

 childrenDo: aBlock

 evaluateIn: anEnvironment

 arg1

must forward - otherwise cascades won't work

 args

must forward - otherwise keywordExpression won't work

 argumentCount

must forward - otherwise checkCondition won't work

 arguments

must forward - otherwise cascades won't work

 isMessage

must forward - otherwise cascades won't work

 isMessageWithSelector: aStringOrSymbol

must forward

 isUnaryMessage

must forward - otherwise cascades won't work

 isVariable

must forward - otherwise breakpoints on assignments won't work

 name

must forward - otherwise variables won't work

 numArgs

must forward - otherwise checkCondition won't work.
Please use argumentCount, which is ANSI

** This is an obsolete interface - do not use it (it may vanish in future versions) **

 plausibilityCheckIn: aParser

 receiver

must forward - otherwise cascades won't work

 selector

must forward - otherwise cascades won't work

 printOn: aStream indent: indent

append a user printed representation of the receiver to aStream.
The format is suitable for a human - not meant to be read back.

 isBreakPointNode

 isImmutable

(comment from inherited method)
not used with ST/X -
for JavaScript nodes return true here.