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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@1189 212acab6-be3b-0410-9dea-997c60f758d6
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joostverburg 2002-09-25 19:47:20 +00:00
parent f3e3b7351b
commit 1ba2cf9793
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23
Contrib/System/Last Comments.txt
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@ -1,23 +0,0 @@
I'm just finished and going to sleep, so a few words only.
This is alpha release, just for testing. Report bugs please.
That version limits:
0. I've not noticed the NSIS team inverted the 'calling convention', arguments
are passing to stack from left to right during d::p call, so you should invert
system.txt arguments order. See SystemEx.nsi for examples.
1. PT_VOID and PT_BOOLEAN are unsupported.
2. PT_LONG without Pointer specifier is not allowed.
3. NSIS->Call PT_LONG converts as 32 bits. Back conversion bit-width is unknown.
By the way NSIS doesn't support int64 operations, so you can process received
long values as strings only...
4. Generaly untested :)
5. Requires MSVC++ 7.0 to compile :) Sorry....
Todo (will be done in a few days):
1. Structures work (thru functions).
2. Callbacks.
3. Arg-lists
4. Cdecl convention
5. Optimizations and so on...

48
Contrib/System/SystemEx.nsi
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; This is just an example of System Plugin
;
; Read LastComments.txt and System.txt (unfinished)
;
; (c) BSForce, 2002
Name "System Plugin Example"
OutFile "SystemEx.exe"
Function .onInit
; First example: Message box, uses PartAddr, ShortAddr, Call
System::PartAddr "user32.dll?MessageBoxA?iissi"
Pop $0
System::ShortAddr "ssss?1nssn" $0
Pop $0
System::Call 33 "Example 1" "Just something" 0 $0
Pop $3
Pop $2
MessageBox MB_OK "Result: $1, strings '$2' and '$3'"
System::Free $0
Pop $0
; Second example: uses FullAddr, Call, incorpotates int64, returns to $INSTDIR
System::FullAddr "snnn?s1al2" "kernel32.dll?GetDiskFreeSpaceExA?isplplpl"
Pop $0
System::Call "c:\" $0
Pop $3
MessageBox MB_OK "Path '$1', Free '$R0', Total '$INSTDIR', FreeUser '$2', Result $3"
System::Free $0
Pop $0
; Third example: uses FullCall
System::FullCall "?9" "kernel32.dll?GetVersion?i"
; Version aquired, but we wonna built number for example
IntOp $8 $9 / 65536
MessageBox MB_OK "Aquired windows version: $9 (Build $8)"
Quit
FunctionEnd
Section "ThisNameIsIgnoredSoWhyBother?"
SectionEnd
; eof