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flat assembler > Main > Include non-whitespace character issues

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jiangfasm



Joined: 08 Mar 2015
Posts: 58
MSCOFF.ASM
Code:
include 'win32a.inc'
format coff
extrn '__imp__MessageBoxA@16' as MessageBox:dword
public _demo
_demo:
        push    0
        push    _caption
        push    _message
        push    0
        call    [MessageBox]
        ret
_caption db 'Win32 assembly',0
_message db 'Coffee time!',0    


MSCOFF1.ASM
Code:
include'win32a.inc'
format coff
extrn '__imp__MessageBoxA@16' as MessageBox:dword
public _demo
_demo:
        push    0
        push    _caption
        push    _message
        push    0
        call    [MessageBox]
        ret
_caption db 'Win32 assembly',0
_message db 'Coffee time!',0    



Code:
$ git diff MSCOFF.ASM MSCOFF1.ASM
diff --git a/MSCOFF.ASM b/MSCOFF1.ASM
index 4eabe64..266daa5 100644
--- a/MSCOFF.ASM
+++ b/MSCOFF1.ASM
@@ -1,4 +1,4 @@
-include 'win32a.inc'
+include'win32a.inc'^M ;<--There's been a mistake.
 format coff
 extrn '__imp__MessageBoxA@16' as MessageBox:dword
 public _demo
    


Code:
$ fasmg MSCOFF.ASM
flat assembler  version g.i8q67
3 passes, 201 bytes.

$ fasmg MSCOFF1.ASM
flat assembler  version g.i8q67
MSCOFF1.ASM [1]:
        include'win32a.inc'
Processed: include'win32a.inc'
Error: illegal instruction.
    
Post 25 Jul 2018, 14:46
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 7003
Location: Kraków, Poland
A single or double quote is not on a list of special characters, neither for fasm nor for fasmg. This means that this character can be a part of a name, like in this example from Understanding fasm 1:
Code:
    Jule's:    

The quotes are only treated specially when they begin a new token. So to have a quoted string recognized you need to have it separated from other name with special characters and/or whitespace. Note how fasm's syntax highlighter that works on this message board emphasizes these rules, including in your samples above.
Post 25 Jul 2018, 14:59
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jiangfasm



Joined: 08 Mar 2015
Posts: 58
Tomasz Grysztar wrote:
A single or double quote is not on a list of special characters, neither for fasm nor for fasmg. This means that this character can be a part of a name, like in this example from Understanding fasm 1:
Code:
    Jule's:    

The quotes are only treated specially when they begin a new token. So to have a quoted string recognized you need to have it separated from other name with special characters and/or whitespace. Note how fasm's syntax highlighter that works on this message board emphasizes these rules, including in your samples above.


Thank you so much!
Post 25 Jul 2018, 16:42
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