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Add optional custom error message to assert
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@ -24,18 +24,23 @@ int cosmoB_print(CState *state, int nargs, CValue *args) {
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}
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int cosmoB_assert(CState *state, int nargs, CValue *args) {
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if (nargs != 1) {
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cosmoV_error(state, "assert() expected 1 argument, got %d!", nargs);
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if (nargs < 1 || nargs > 2) {
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cosmoV_error(state, "assert() expected 1 or 2 arguments, got %d!", nargs);
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return 0; // nothing pushed onto the stack to return
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}
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if (!IS_BOOLEAN(args[0])) {
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cosmoV_typeError(state, "assert()", "<boolean>", "%s", cosmoV_typeStr(args[0]));
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if (!IS_BOOLEAN(args[0]) || (nargs == 2 && !IS_STRING(args[1]))) {
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cosmoV_typeError(state, "assert()", "<boolean>, <string>", "%s, %s", cosmoV_typeStr(args[0]), cosmoV_typeStr(args[1]));
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return 0;
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}
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if (!cosmoV_readBoolean(args[0])) { // expression passed was false, error!
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cosmoV_error(state, "assert() failed!");
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if (nargs == 2) {
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cosmoV_error(state, "%s", cosmoV_readCString(args[1]));
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}
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else { // optional custom error message
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cosmoV_error(state, "%s", "assert() failed!");
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}
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} // else do nothing :)
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return 0;
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