ISI360

How to RegEx Global Variables

5 posts in this topic

#1 ·  Posted (edited)

Hi!

I need a little bit help from some RegEx experts please:
I would make my ISN AutoIt Studio faster when generating the scripttree. And what would be better to do this via regex?

Problem is i am not really good at this regex stuff. So maybe someone could help me here.
 

The challange is to get all Global Variables from a script via RegEx in a Array.
Here is a example script with some tests:

Global $Var1 = 1234 

Local $Local_Var = 1234

$Ignore_me_too = 1234

Global $Var2 = 1234, $var3 = 1242

Global $ahIcons[30], $ahLabels[30]

Global Const $Var4 = iniread($inivar1,"jj","jj","") , $var5= iniread($inivar2,"jj","jj","")

Global $Var_String = "was"

Global $Array_Test[16] = [1,15,16,0,31,15,25,15,25,30,8,30,8,15,1,15]

Global Enum $MARGIN_SCRIPT_NUMBER = 0, $MARGIN_SCRIPT_ICON, $MARGIN_SCRIPT_FOLD

Global Const $Delim = '\', $Delim1 = '|'

Global $hard1 = "a", _
$hard2 = "b", _ 
$hard3 = "c"

 

The returning array should look like this:

$Var1
$Var2
$var3
$Var4
$var5
$Var_String
$Array_Test
$MARGIN_SCRIPT_NUMBER
$MARGIN_SCRIPT_ICON
$MARGIN_SCRIPT_FOLD
$Delim
$Delim1
$hard1
$hard2
$hard3

 

I already made some success with a expression i found in the SciTE Jump Tool:  (\$\w+)(?:[\h\[.=+*/^,)\-])?
This nearly returns the perfect results. But it does not check if it´s a global variable (with the const and enum options) and also returns variables in commands (for example
$inivar1)

I also found this regex: (?im:^(?=Global|Const|Enum|Static)(?:Global)?\h*(?:Const|Enum|Static)?(?:(?<=Enum)\h+Step\h+[+*-]\d+)?\h*)([^\r\n .\=]+)
This returns also usefull results...but trying to understand this explodes my head :D


Maybe someone can help me here?
Thanks in advance! ;);)

Edited by ISI360

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Albeit not impossible, you'd have to embark a complete AutoIt grammar parser in pure regexp to be able to process arbitrary code and correctly extract globals.


This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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#3 ·  Posted

Hi,

I have a suggestion but is not perfect:

(?im:^(?=Global|Const|Enum|Static)(?:Global|Static)?\h*(?:Global|Const|Enum|Static)?(?:(?<=Enum)\h+Step\h+[+*-]\h*\d+)?\h*)(\$(?:\w)+)(?:.*?,(?:[\h_\n]*)*(\$(?:\w)+)*)?(?:.*?,(?:[\h_\n]*)*(\$(?:\w)+)*)?

I tested it with this:

Global $Var1 = 1234
Global $Test
global $1we, $dgg,$errzuu
Local $Local_Var = 1234
$Ignore_me_too = 1234
Global $Var2 = 1234, $var3 = 1242
Global $ahIcons[30], $ahLabels[30]
Global Const $Var4 = iniread($inivar1,"jj","jj","") , $var5= iniread($inivar2,"jj","jj","")
Global $Var_String = "was"
Global $Array_Test[16] = [1,15,16,0,31,15,25,15,25,30,8,30,8,15,1,15]
Global Enum $MARGIN_SCRIPT_NUMBER = 0, $MARGIN_SCRIPT_ICON, $MARGIN_SCRIPT_FOLD
Global Const $Delim = '\', $Delim1 = '|'
Global $hard1 = "a", _
$hard2 = "b", _ 
$hard3 = "c"
Static global $rest
global static $test
Global Enum STEP + 2 $eVariant1 = 1, $eVariant2, $eVariant3 = 5, $eVariant4
static local $test
local static $dfgt

If you try this you may see it will not catch $eVariant4. For every variable more you need this append to regex:

(?:.*?,(?:[\h_\n]*)*(\$(?:\w)+)*)?

That‘s not that perfect as I wanted but I didn’t get it working to „loop“. I thought change ? with * but then you catch only the last one and not the matches in between. But maybe some other get it working more perfect.

Regards, Conrad


SciTE = 3.6.2.0/full   AutoIt = 3.3.14.2   AutoItX64 = 0   OS = Win7Pro SP1   OSArch = X64   Language = 0407/german
H:\...\AutoIt3\SciTE   H:\...\AutoIt3   H:\...\AutoIt3\Include   H: = Network Drive

   88x31.png  Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind.

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#4 ·  Posted

Just an FYI, unless $Local_Var is in a function, it's still a global variable regardless of what you use to declare it in the Global scope.


If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.
Give a programmer the correct code and he can do his work for a day. Teach a programmer to debug and he can do his work for a lifetime - by Chirag Gude
How to ask questions the smart way!

I hereby grant any person the right to use any code I post, that I am the original author of, on the autoitscript.com forums, unless I've specifically stated otherwise in the code or the thread post. If you do use my code all I ask, as a courtesy, is to make note of where you got it from.

Back up and restore Windows user files _Array.au3 - Modified array functions that include support for 2D arrays.  -  ColorChooser - An add-on for SciTE that pops up a color dialog so you can select and paste a color code into a script.  -  Customizable Splashscreen GUI w/Progress Bar - Create a custom "splash screen" GUI with a progress bar and custom label.  -  _FileGetProperty - Retrieve the properties of a file  -  SciTE Toolbar - A toolbar demo for use with the SciTE editor  -  GUIRegisterMsg demo - Demo script to show how to use the Windows messages to interact with controls and your GUI.  -   Latin Square password generator

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#5 ·  Posted

@Simpel:
Thanks, looks very interesting!

Would it be an option to first strip the values of the variables? (They are not needed)

So that

Global Const $Var4 = iniread($inivar1,"jj","jj","") , $var5= iniread($inivar2,"jj","jj","")
Global Enum STEP + 2 $eVariant1 = 1, $eVariant2, $eVariant3 = 5, $eVariant4
Global Const $Delim = '\', $Delim1 = '|'

becomes to

Global Const $Var4, $var5
Global Enum STEP + 2 $eVariant1, $eVariant2, $eVariant3, $eVariant4
Global Const $Delim, $Delim1

Would this then be easier to regex? If yes, have you a idea how to strip this stuff? :P

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