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52 lines
1.3 KiB
52 lines
1.3 KiB
/*===
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top: 11
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this binding: type=1, value='undefined'
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this binding: type=2, value='null'
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this binding: type=3, value='true'
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this binding: type=3, value='false'
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this binding: type=4, value='123.456'
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this binding: type=5, value='foo'
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this binding: type=6, value='[object Object]'
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this binding: type=6, value=''
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this binding: type=7, value=''
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this binding: type=8, value='0xdeadbeef'
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===*/
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/* Test how 'this' binding works. Also tests that Duktape/C functions are
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* strict, i.e. that the 'this' binding is not coerced when a method call
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* happens.
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*/
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static duk_ret_t func(duk_context *ctx) {
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duk_int_t t;
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duk_push_this(ctx);
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t = duk_get_type(ctx, -1);
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printf("this binding: type=%ld, value='%s'\n", (long) t, duk_to_string(ctx, -1));
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return 0;
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}
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void test(duk_context *ctx) {
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duk_idx_t i, n;
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duk_push_c_function(ctx, func, 0);
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duk_push_undefined(ctx);
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duk_push_null(ctx);
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duk_push_true(ctx);
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duk_push_false(ctx);
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duk_push_number(ctx, 123.456);
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duk_push_string(ctx, "foo");
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duk_push_object(ctx);
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duk_push_array(ctx);
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duk_push_fixed_buffer(ctx, 16);
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duk_push_pointer(ctx, (void *) 0xdeadbeef);
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n = duk_get_top(ctx);
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printf("top: %ld\n", (long) n);
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for (i = 1; i < n; i++) {
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duk_dup(ctx, 0);
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duk_dup(ctx, i);
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duk_call_method(ctx, 0); /* [ ... func this ] -> [ ret ] */
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duk_pop(ctx);
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}
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}
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