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42 lines
1.2 KiB
42 lines
1.2 KiB
=proto
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void duk_call_prop(duk_context *ctx, int obj_index, int nargs);
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=stack
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[ ... obj! ... key! arg1! ...! argN! ] -> [ ... obj! ... retval! ]
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=summary
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<p>Call <code>obj.key</code> with <code>nargs</code> arguments, with <code>this</code>
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binding set to <code>obj</code>. The property name and the function arguments
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are replaced by a single return value; the target object is not touched.
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An error during the function call is not automatically caught.</p>
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<p>If the target function is not strict, the binding value seen by the
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target function may be modified by processing specified in
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<a href="http://www.ecma-international.org/ecma-262/5.1/#sec-10.4.3">Entering Function Code</a>.
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</p>
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<p>This API call is equivalent to:</p>
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<pre class="ecmascript-code">
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var retval = obj[key](arg1, ..., argN);
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</pre>
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<p>or:</p>
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<pre class="ecmascript-code">
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var func = obj[key];
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var retval = func.call(obj, arg1, ..., argN);
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</pre>
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=example
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/* obj.myAdderMethod(2,3) -> 5 */
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int obj_idx;
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duk_push_string(ctx, "myAdderMethod");
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duk_push_int(ctx, 2);
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duk_push_int(ctx, 3);
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duk_call_prop(ctx, obj_idx, 2); /* [ ... "myAdderMethod" 2 3 ] -> [ ... 5 ] */
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printf("2+3=%d\n", duk_get_int(ctx, -1));
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duk_pop(ctx);
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=tags
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property
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call
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