45 bool Evaluate(State* state, const std::unique_ptr<Expr>& expr, std::string* result) {  in Evaluate()  function
85         if (!Evaluate(state, argv[i], &str)) {  in ConcatFn()
101     if (!Evaluate(state, argv[0], &cond)) {  in IfElseFn()
116     if (!argv.empty() && Evaluate(state, argv[0], &msg)) {  in AbortFn()
127         if (!Evaluate(state, argv[i], &result)) {  in AssertFn()
141     if (!Evaluate(state, argv[0], &val)) {  in SleepFn()
157         if (!Evaluate(state, argv[i], &v)) {  in StdoutFn()
168     if (!Evaluate(state, argv[0], &left)) {  in LogicalAndFn()
181     if (!Evaluate(state, argv[0], &left)) {  in LogicalOrFn()
194     if (!Evaluate(state, argv[0], &val)) {  in LogicalNotFn()
204     if (!Evaluate(state, argv[0], &needle)) {  in SubstringFn()
209     if (!Evaluate(state, argv[1], &haystack)) {  in SubstringFn()
219     if (!Evaluate(state, argv[0], &left)) {  in EqualityFn()
223     if (!Evaluate(state, argv[1], &right)) {  in EqualityFn()
234     if (!Evaluate(state, argv[0], &left)) {  in InequalityFn()
238     if (!Evaluate(state, argv[1], &right)) {  in InequalityFn()
367         if (!Evaluate(state, argv[i], &var)) {  in ReadArgs()