понедельник, 12 октября 2015 г.

#822. Briefly. Do not forget about script engine stack

Original in Russian: http://programmingmindstream.blogspot.ru/2015/08/blog-post_12.html

Consol script launcher  http://programmingmindstream.blogspot.ru/2015/08/blog-post_26.html (in Russian)

Do not forget about script engine stack.

It is almost readable:

i.LULIN-BOOK2     12.08.2015 01:22:45:703   [Stack #  0] :
i.LULIN-BOOK2     12.08.2015 01:22:47:634   [Stack #  0] :
i.LULIN-BOOK2     12.08.2015 01:22:49:209 Script failed: StackChecking1.ms.script
i.LULIN-BOOK2     12.08.2015 01:22:49:209   [Stack #  0] ASSERTS
i.LULIN-BOOK2     12.08.2015 01:22:49:209   [Stack #  1] OPERATOR anti-test (Line 696, kwMain.script)
i.LULIN-BOOK2     12.08.2015 01:22:49:209   [Stack #  2] anti-test (Line 5, StackChecking1.ms.script)
i.LULIN-BOOK2     12.08.2015 01:22:49:209   [Stack #  3] (StackChecking1.ms.script)
i.LULIN-BOOK2     12.08.2015 01:22:49:661 Script failed: StackChecking2.ms.script
i.LULIN-BOOK2     12.08.2015 01:22:49:661   [Stack #  0] ASSERTS
i.LULIN-BOOK2     12.08.2015 01:22:49:661   [Stack #  1] OPERATOR anti-test (Line 696, kwMain.script)
i.LULIN-BOOK2     12.08.2015 01:22:49:661   [Stack #  2] anti-test (Line 5, StackChecking2.ms.script)
i.LULIN-BOOK2     12.08.2015 01:22:49:661   [Stack #  3] (StackChecking2.ms.script)
i.LULIN-BOOK2     12.08.2015 01:22:49:855 Script failed: StackChecking3.ms.script
i.LULIN-BOOK2     12.08.2015 01:22:49:855   [Stack #  0] ASSERTS
i.LULIN-BOOK2     12.08.2015 01:22:49:855   [Stack #  1] OPERATOR anti-test (Line 696, kwMain.script)
i.LULIN-BOOK2     12.08.2015 01:22:49:855   [Stack #  2] anti-test (Line 5, StackChecking3.ms.script)
i.LULIN-BOOK2     12.08.2015 01:22:49:855   [Stack #  3] (StackChecking3.ms.script)
i.LULIN-BOOK2     12.08.2015 01:22:50:051 Script failed: StackChecking4.ms.script
i.LULIN-BOOK2     12.08.2015 01:22:50:051   [Stack #  0] ASSERTS
i.LULIN-BOOK2     12.08.2015 01:22:50:051   [Stack #  1] OPERATOR anti-test (Line 696, kwMain.script)
i.LULIN-BOOK2     12.08.2015 01:22:50:051   [Stack #  2] anti-test (Line 5, StackChecking4.ms.script)
i.LULIN-BOOK2     12.08.2015 01:22:50:051   [Stack #  3] (StackChecking4.ms.script)
i.LULIN-BOOK2     12.08.2015 01:22:50:282   [Stack #  0] :
i.LULIN-BOOK2     12.08.2015 01:22:50:282   [Stack #  1] USES
i.LULIN-BOOK2     12.08.2015 01:22:50:517   [Stack #  0] :
i.LULIN-BOOK2     12.08.2015 01:22:50:517   [Stack #  1] USES

(+) https://bitbucket.org/lulinalex/mindstream/commits/1a4d170478480bf9822d80f2170d70a70f1c0ff8

Thing is, EVERY axiomatic primitive was TESTED with atomic tests.

In Other1.

"Pure and simple" TDD.

ANY function was tested, plus reversed through CodeDump.

We test functionality and the result of compilation.

There are tests written for all functions to check main flows by etalon output.

This is Pascal adopted for FORTH.

More simple, Pascal with FORTH.

Simple to write, if you know how - more simple than on Delphi.

Sure, more simple than on classic FORTH.

DUP DROP ROT is a heritage of classic FORTH.

Actually, they are not used at the top level.

(+) http://www.forth.com/starting-forth/

(+) http://fforum.winglion.ru/viewtopic.php?t=1280 (in Russian, I quote below)

"Forth is an extendable programming technique, besides there are no theoretiс boundaries of the level for possible extension - it is possible from registers to the most complex things, modeling of any grammar... though, forthers use it very rarely, if ever use."
"This differs Forth from other languages like С - macros extensions begin at the level of abstraction equal to C, С++ has its own limits"
"Forth is interesting because it allows to modify the modification tools, which is not possible with assembler. Actually, Forth is a cycle executable macroassembler that can modify its own engine from the input flow. That is where the following possibilities arise: from changing the “understanding” of input flow (entering new syntax) and compilation techniques (optimization) up to increasing the semantic power of lexical items to the level which is appropriate for solving tasks of any complexity."
"I do not agree totally about Forth as marcoassembler. Not least because Forth forces interaction model within and it is a part of a virtual engine which is quite standartised.
As for me, this is a narrow view of Forth. It can change virtual engine and interaction model in run-time."
"May be, in some ways, to script languages. Just “dig” on that front:) 
( since it has no runtime data type identification in base version. Though it is quite typeless.) It can be classified as a language that allows to connect simple elements in a natural way. 
P.S. After I read the article: Scenarios: high-level programming in XXI century http://www.osp.ru/os/1998/03/179470/ (in Russian) describing the history and capacity of Tcl I thought that syntax and basis of a language has to be simpler. Apart from interface for GUI, Forth can be added by some concepts of Tcl. 
More about Tcl: http://tclstudy.narod.ru/articles/index.html (in Russian)"

 
FORWARD Process

: Process
 STRING IN aDir
 
 FORWARD ProcessItem
 
 : DoDir
  STRING IN anItem
 
  : DoFile
   STRING IN anItem
   anItem .
  ; // DoFile
 
  for [ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' ] (
   STRING IN aMask
   @ DoFile aMask anItem ProcessFilesWithMask
  )
 ; // DoDir
 
 : ProcessItem
  STRING IN anItem
  anItem DoDir
  @ ProcessItem anItem ProcessSubDirs
 ; // ProcessItem
 
 aDir ProcessItem
; // Process
 
'..\..\' Process

(+)

: Process
 STRING IN aDir
 
 FORWARD ProcessItem
 
 : DoDir
  STRING IN aDir
 
  : DoFile
   STRING IN anFilePath
   anFilePath Print
  ; // DoFile
 
  for [ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' ] (
   STRING IN aMask
   IterateFilesWithMask aDir aMask DoFile
  )
 ; // DoDir
 
 : ProcessItem
  STRING IN aDir
  aDir DoDir
  IterateDirs aDir ProcessItem
 ; // ProcessItem
 
 aDir ProcessItem
; // Process
 
'..\..\' Process

(+)

PROCEDURE ProcessDirs
 ^ IN aDir
 
 FORWARD ProcessItem
 
 PROCEDURE DoDir
  ^ IN aDir
 
  PROCEDURE DoFile
   STRING IN anFilePath
   PrintThis anFilePath
  ; // DoFile
 
  for [ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' ] (
   STRING IN aMask
   IterateFilesWithMask aDir aMask DoFile
  )
 ; // DoDir
 
 PROCEDURE ProcessItem
  STRING IN aDir
  DoDir aDir
  IterateDirs aDir ProcessItem
 ; // ProcessItem
 
 aDir DO ProcessItem
; // ProcessDirs
 
ProcessDirs '..\..\'

(+)

PROCEDURE ProcessDirs
 RightParam aDir
 
 FORWARD ProcessItem
 
 PROCEDURE DoDir
  RightParam aDir
 
  PROCEDURE DoFile
   STRING IN anFilePath
   PrintThis anFilePath
  ; // DoFile
 
  for [ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' ] (
   STRING IN aMask
   IterateFilesWithMask aDir aMask DoFile
  )
 ; // DoDir
 
 PROCEDURE ProcessItem
  STRING IN aDir
  DoDir aDir
  IterateDirs aDir ProcessItem
 ; // ProcessItem
 
 aDir DO ProcessItem
; // ProcessDirs
 
ProcessDirs '..\..\'

(+)

PROCEDURE ProcessDirs
 ARRAY IN aMaskArray
 RightParam aDir
 
 PROCEDURE DoDir
  RightParam aDir
 
  PROCEDURE DoFile
   STRING IN anFilePath
   PrintThis anFilePath
  ; // DoFile
 
  for aMaskArray (
   STRING IN aMask
   IterateFilesWithMask aDir aMask DoFile
  )
 ; // DoDir
 
 PROCEDURE ProcessItem
  STRING IN aDir
  DoDir aDir
  IterateDirs aDir ( this.do )
 ; // ProcessItem
 
 aDir DO ProcessItem
; // ProcessDirs
 
[ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' ] ProcessDirs '..\..\'

(+)

PROCEDURE ProcessDirs
 RightParam aDir
 RightParam aMaskArray
 RightParam aLambda
 
 PROCEDURE DoDir
  RightParam aDir
 
  PROCEDURE DoFile
   STRING IN anFilePath
   anFilePath aLambda pop:Word:GetRef DO
  ; // DoFile
 
  for ( aMaskArray |^ ) (
   STRING IN aMask
   IterateFilesWithMask aDir aMask DoFile
  )
 ; // DoDir
 
 PROCEDURE ProcessItem
  STRING IN aDir
  DoDir aDir
  IterateDirs aDir ( this.do )
 ; // ProcessItem
 
 aDir DO ProcessItem
; // ProcessDirs
 
ProcessDirs '..\..\' [ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' ] Print

(+)

PROCEDURE ProcessSubDirsWithMasks
 RightParam aRoot
 RightParam aMaskArray
 RightParam aLambda
 
 PRIVATE PROCEDURE DoDir
  RightParam aDir
 
  PRIVATE PROCEDURE DoFile
   STRING IN anFilePath
   anFilePath aLambda |@ DO
  ; // DoFile
 
  for ( aMaskArray |^ ) (
   STRING IN aMask
   IterateFilesWithMask aDir aMask DoFile
  )
 ; // DoDir
 
 PRIVATE PROCEDURE ProcessItem
  STRING IN aDir
  DoDir aDir
  IterateDirs aDir ( this.do )
 ; // ProcessItem
 
 aRoot DO ProcessItem
; // ProcessSubDirsWithMasks
 
ProcessSubDirsWithMasks '..\..\' [ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' ] Print

(+)

ProcessSubDirsWithMasks '..\..\' [ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' ] Print

(+)

PROCEDURE ProcessAnySubDirsWithMasks
 
 RightParam aDirMasks
 RightParam aFileMasks
 
 for ( aDirMasks |^ ) ( STRING IN aDirMask ProcessSubDirsWithMasks aDirMask ( aFileMasks |^ ) Print )
 
; // ProcessAnySubDirsWithMasks
 
ProcessAnySubDirsWithMasks [ '..\..\' '..\' ] [ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' '*.co' ]

(+)

ProcessAnySubDirsWithMasks [ '..\..\' '..\' ] [ '*.ms.script' '*.ms.dict' '*.pas' '*.txt' '*.inc' '*.fmx' '*.xml' '*.dpr' '*.co' ] Print

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