primecheck.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "duktape.h"

Go to the source code of this file.

Functions
static duk_ret_t	native_prime_check (duk_context *ctx)
int	main (int argc, const char *argv[])

Function Documentation

main()

int main	(	int	argc,
		const char *	argv[] )

Definition at line 23 of file duktape-1.5.2/examples/guide/primecheck.c.

                                       {
    duk_context *ctx = NULL;
 
    ctx = duk_create_heap_default();
    if (!ctx) {
        printf("Failed to create a Duktape heap.\n");
        exit(1);
    }
 
    duk_push_global_object(ctx);
    duk_push_c_function(ctx, native_prime_check, 2 /*nargs*/);
    duk_put_prop_string(ctx, -2, "primeCheckNative");
 
    if (duk_peval_file(ctx, "prime.js") != 0) {
        printf("Error: %s\n", duk_safe_to_string(ctx, -1));
        goto finished;
    }
    duk_pop(ctx);  /* ignore result */
 
    duk_get_prop_string(ctx, -1, "primeTest");
    if (duk_pcall(ctx, 0) != 0) {
        printf("Error: %s\n", duk_safe_to_string(ctx, -1));
    }
    duk_pop(ctx);  /* ignore result */
 
 finished:
    duk_destroy_heap(ctx);
 
    exit(0);
}

References duk_create_heap_default, duk_destroy_heap(), duk_get_prop_string(), duk_pcall(), duk_peval_file, duk_pop(), duk_push_c_function(), duk_push_global_object(), duk_put_prop_string(), duk_safe_to_string, native_prime_check(), NULL, and printf.

native_prime_check()

static duk_ret_t native_prime_check ( duk_context * ctx )

static

Definition at line 7 of file duktape-1.5.2/examples/guide/primecheck.c.

                                                      {
    int val = duk_require_int(ctx, 0);
    int lim = duk_require_int(ctx, 1);
    int i;
 
    for (i = 2; i <= lim; i++) {
        if (val % i == 0) {
            duk_push_false(ctx);
            return 1;
        }
    }
 
    duk_push_true(ctx);
    return 1;
}

References duk_push_false(), duk_push_true(), and duk_require_int().

Referenced by main().