Why do I get an error while parsing custom code for my Simulink model?

Question

David Tong 2022-5-5

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https://ww2.mathworks.cn/matlabcentral/answers/1711990-why-do-i-get-an-error-while-parsing-custom-code-for-my-simulink-model

编辑： Vincent Massart 2023-1-18

Hi there,

I am trying to run a simulink model in which some C caller blocks are used ( external custom c code). The Model is legacy model but I am trying to run it on Matlab 2021b

The C comoiler is MinGW64 Compiler (C)

I already updated the model advisor befoer I try to RUN the model. I received the follwoing error:

Error while parsing custom code for model 'mymodel'. Fix the errors in your custom code or disable 'Import custom code' if your custom code has incompatibilities.

Caused by:

In line 539 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\x86_64-w64-mingw32\include\_mingw.h, incomplete type is not allowed: | void __cdecl __debugbreak(void); | ^
In line 539 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\x86_64-w64-mingw32\include\_mingw.h, expected a ";": | void __cdecl __debugbreak(void); | ^
In line 540 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\x86_64-w64-mingw32\include\_mingw.h, expected a ")": | __MINGW_INTRIN_INLINE void __cdecl __debugbreak(void) | ^
In line 540 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\x86_64-w64-mingw32\include\_mingw.h, expected a ";": | __MINGW_INTRIN_INLINE void __cdecl __debugbreak(void) | ^
In line 18 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\x86_64-w64-mingw32\include\stddef.h, expected a ";": | _CRTIMP extern int *__cdecl _errno(void); | ^
In line 20 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\x86_64-w64-mingw32\include\stddef.h, expected a ";": | errno_t __cdecl _set_errno(int _Value); | ^
In line 21 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\x86_64-w64-mingw32\include\stddef.h, expected a ";": | errno_t __cdecl _get_errno(int *_Value); | ^
In line 24 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\x86_64-w64-mingw32\include\stddef.h, expected a ";": | _CRTIMP extern unsigned long __cdecl __threadid(void); | ^
In line 26 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\x86_64-w64-mingw32\include\stddef.h, expected a ";": | _CRTIMP extern uintptr_t __cdecl __threadhandle(void); | ^
In line 428 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\lib\gcc\x86_64-w64-mingw32\6.3.0\include\stddef.h, expected a type specifier: | long long __max_align_ll __attribute__((__aligned__(__alignof__(long long)))); | ^
In line 428 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\lib\gcc\x86_64-w64-mingw32\6.3.0\include\stddef.h, a function type is not allowed here: | long long __max_align_ll __attribute__((__aligned__(__alignof__(long long)))); | ^
In line 429 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\lib\gcc\x86_64-w64-mingw32\6.3.0\include\stddef.h, expected a type specifier: | long double __max_align_ld __attribute__((__aligned__(__alignof__(long double)))); | ^
In line 429 of C:\ProgramData\MATLAB\SupportPackages\R2021b\3P.instrset\mingw_w64.instrset\lib\gcc\x86_64-w64-mingw32\6.3.0\include\stddef.h, a function type is not allowed here: | long double __max_align_ld __attribute__((__aligned__(__alignof__(long double)))); | ^

Component:Simulink | Category:Block diagram error

Advice and input very welcome, thanks!

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David Balbuena 2022-5-12

It could be an issue with the code parser. Are you able to share your code? I'd recommend contacting technical support, just in case this is a bug: https://www.mathworks.com/support/contact_us.html

Vincent Massart 2023-1-18

编辑：Vincent Massart 2023-1-18

We have a very similar problem with R2018b and C Caller

all work on my colleague machine and not anymore on mine....

In line 12 of c:\xxxxxxxxxx\xxxxxxxxxxxxxxxxxxxx\xxxx_fpga_raw_convert.h, expected a ";": | typedef struct __attribute__ ((packed)) function_name {

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Why do I get an error while parsing custom code for my Simulink model?

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Why do I get an error while parsing custom code for my Simulink model?

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