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myocytebd2
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Joined: 23 Apr 2015
Posts: 33
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 Posted: Tue Mar 22, 2022 2:53 am Post subject: $c how to implement common c headers? |
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Is there any way to keep {$c} block features and use common headers?
addCIncludePath(path) doc say it only applies to compile().
If I use to {$lua} to return {$c}, then all source line info seems lost.
In addition, CE seems to reject multiple {$c} blocks, so non-header {$c} must also becomes part of lua string and thus lost syntax highlighting.
(lua must return a {$c} prefixed block, plus another non-header {$c} block)
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Dark Byte
Site Admin
 Reputation: 470
Joined: 09 May 2003
Posts: 25784
Location: The netherlands
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| Posted: Tue Mar 22, 2022 3:28 am Post subject: |
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addCIncludePath functions for all c-code. Just keep in mind it's a path, not an auto include, so you still need to add the #include <xxx> yourself
CE has no issue with multiple {$C} blocks
e.g:
| Code: |
{$c}
typedef int myintegertype;
{$asm}
alloc(script,1024)
{$c}
myintegertype bla(myintegertype x)
{
return x+12;
}
{$asm}
script:
mov rcx,10
call long bla //I know its within 2GB
{$ccode result=rax}
myintegertype r=result;
result=bla(r);
{$asm}
ret
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and if you wish to use lua to output c-blocks, do NOT define them inside the auto assembler using multiline blocks [[xxx]], as {$asm} will conflict. So you will have to use a different way to define the script. E.g from another lua script, or using another method
e.g:
| Code: |
{$lua}
s=createStringList()
s.add('{$c}')
s.add('typedef int myintegertype;')
s.add('{$asm}')
local r=s.text
s.destroy()
return r
{$asm}
alloc(script,1024)
{$lua}
s=createStringList()
s.add('{$c}')
s.add('myintegertype bla(myintegertype x)')
s.add('{');
s.add(' return x+12;')
s.add('}')
s.add('{$asm}')
{$asm}
script:
mov rcx,10
call long bla //I know its within 2GB
{$ccode result=rax}
myintegertype r=result;
result=bla(r);
{$asm}
ret
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though I recommend using a initial script that sets up a global var with the c script and then just let the lua block return that string
e.g:
tablescript lua:
| Code: |
script1=[[{$c}
typedef int myintegertype;
{$asm}
]]
script2=[[{$c}
myintegertype bla(myintegertype x)
{
return x+12;
}
{$asm}
]]
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and then have aa script as
| Code: |
{$lua}
return script1
{$asm}
alloc(script,1024)
{$lua}
return script2
{$asm}
script:
mov rcx,10
call long bla //I know its within 2GB
{$ccode result=rax}
myintegertype r=result;
result=bla(r);
{$asm}
ret
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myocytebd2
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Joined: 23 Apr 2015
Posts: 33
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| Posted: Tue Mar 22, 2022 6:49 am Post subject: |
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Thanks.
| Dark Byte wrote: | | CE has no issue with multiple {$C} blocks |
I see, the problem for me is due to some minor bugs of the parser.
This is OK | Code: | {$c}
typedef int myintegertype;
{$asm}
// Error if this line is deleted or {$asm} is deleted
{$c}
myintegertype bla(myintegertype x) { return x+12; } |
But these two are rejected:
(I expected empty blocks to work because mixing empty {$lua}/{$asm} is fine)
| Code: | {$c}
typedef int myintegertype;
{$asm}
{$c}
myintegertype bla(myintegertype x) { return x+12; } |
| Code: | {$c}
typedef int myintegertype;
{$c}
myintegertype bla(myintegertype x) { return x+12; } |
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