c++ - Why does Pascal Script expect another semicolon near my external-function declaration? -

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i have written function in c++, making dll:

functions.h:

#ifndef functions_h #define functions_h   int dllsquare(int x); #endif  /* functions_h */

functions.cpp:

#include "functions.h" int dllsquare(int x){     return x*x; }

i compiled dll. import pascal script:

program testdll;  function square(x: integer): integer; external 'dllsquare@libtestdll.dll';  begin end.

now doesn't compile. get:

(7:1): semicolon (';') expected @ line 6
compiling failed.

several tutorials on internet tell me way go, missing here?

pascal script throw "semicolon expected" error if declare external function , don't have handler assigned onexternalproc event.

you can implement yourself, or can use dllexternalproc upsc_dll unit. consider calling registerdll_compiletime on compiler component, assigns onexternalproc event , registers 2 functions scripts call, unloaddll , dllgetlasterror.

although it's understandable raise error when host program has provided no means of handling external functions, specific wording of error message nonsense. encourage file issue project improved.


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