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73 lines
2.0 KiB
73 lines
2.0 KiB
/*===
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Hello world!
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return value is: 123.000000
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adder(123, 234) -> 357.000000
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Hello world!
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return value is: 123 (rc=0)
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return value is: Error: eval error (rc=1)
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return value is: SyntaxError: invalid object literal (line 1) (rc=1)
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top=0
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doing eval
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top=0
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doing peval
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rc=0
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top=0
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rc=1
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top: 0
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===*/
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void test(duk_context *ctx) {
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duk_int_t rc;
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/* From API doc */
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duk_push_string(ctx, "print('Hello world!'); 123;");
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duk_eval(ctx);
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printf("return value is: %lf\n", duk_get_number(ctx, -1));
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duk_pop(ctx);
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/* Function expression */
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duk_push_string(ctx, "(function adder(x,y) { return x+y; })");
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duk_eval(ctx); /* [ func ] */
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duk_push_int(ctx, 123);
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duk_push_int(ctx, 234);
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duk_call(ctx, 2); /* [ func 123 234 ] -> [ result ] */
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printf("adder(123, 234) -> %lf\n", duk_get_number(ctx, -1));
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duk_pop(ctx);
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/* Protected eval with success */
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duk_push_string(ctx, "print('Hello world!'); 123;");
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rc = duk_peval(ctx);
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printf("return value is: %s (rc=%d)\n", duk_safe_to_string(ctx, -1), (int) rc);
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duk_pop(ctx);
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/* Protected eval with failure */
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duk_push_string(ctx, "throw new Error('eval error');");
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rc = duk_peval(ctx);
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printf("return value is: %s (rc=%d)\n", duk_safe_to_string(ctx, -1), (int) rc);
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duk_pop(ctx);
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/* Protected eval with syntax error */
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duk_push_string(ctx, "obj = {");
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rc = duk_peval(ctx);
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printf("return value is: %s (rc=%d)\n", duk_safe_to_string(ctx, -1), (int) rc);
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duk_pop(ctx);
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/* Plain eval with no result */
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printf("top=%ld\n", (long) duk_get_top(ctx));
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duk_push_string(ctx, "print('doing eval');");
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duk_eval_noresult(ctx);
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/* Protected eval with no result, no error */
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printf("top=%ld\n", (long) duk_get_top(ctx));
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duk_push_string(ctx, "print('doing peval');");
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rc = duk_peval_noresult(ctx);
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printf("rc=%d\n", (int) rc);
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/* Protected eval with no result, syntax error */
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printf("top=%ld\n", (long) duk_get_top(ctx));
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duk_push_string(ctx, "print('doing peval'); obj = {");
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rc = duk_peval_noresult(ctx);
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printf("rc=%d\n", (int) rc);
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printf("top: %ld\n", (long) duk_get_top(ctx));
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}
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