mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-31 00:40:16 +00:00
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
#include "pocketpy.h"
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#include <stdio.h>
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static bool int_add(int argc, py_Ref argv) {
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PY_CHECK_ARGC(2);
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PY_CHECK_ARG_TYPE(0, tp_int);
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PY_CHECK_ARG_TYPE(1, tp_int);
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py_i64 a = py_toint(py_arg(0));
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py_i64 b = py_toint(py_arg(1));
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py_newint(py_retval(), a + b);
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return true;
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}
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int main() {
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// Initialize pocketpy
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py_initialize();
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// Hello world!
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bool ok = py_exec("print('Hello world!')", "<string>", EXEC_MODE, NULL);
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if(!ok) goto __ERROR;
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// Create a list: [1, 2, 3]
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py_Ref r0 = py_getreg(0);
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py_newlistn(r0, 3);
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py_newint(py_list_getitem(r0, 0), 1);
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py_newint(py_list_getitem(r0, 1), 2);
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py_newint(py_list_getitem(r0, 2), 3);
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// Eval the sum of the list
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py_Ref f_sum = py_getbuiltin(py_name("sum"));
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py_push(f_sum);
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py_pushnil();
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py_push(r0);
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ok = py_vectorcall(1, 0);
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if(!ok) goto __ERROR;
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printf("Sum of the list: %d\n", (int)py_toint(py_retval())); // 6
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// Bind native `int_add` as a global variable
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py_newnativefunc(r0, int_add);
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py_setglobal(py_name("add"), r0);
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// Call `add` in python
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ok = py_exec("add(3, 7)", "<string>", EVAL_MODE, NULL);
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if(!ok) goto __ERROR;
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py_i64 res = py_toint(py_retval());
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printf("Sum of 2 variables: %d\n", (int)res); // 10
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py_finalize();
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return 0;
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__ERROR:
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py_printexc();
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py_finalize();
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return 1;
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} |