50     std::unique_ptr<Value> v(expr->fn(expr->name.c_str(), state, expr->argv));  in Evaluate()
64     return expr->fn(expr->name.c_str(), state, expr->argv);  in EvaluateValue()
78 Value* ConcatFn(const char* name, State* state, const std::vector<std::unique_ptr<Expr>>& argv) {  in ConcatFn()  argument
79     if (argv.empty()) {  in ConcatFn()
83     for (size_t i = 0; i < argv.size(); ++i) {  in ConcatFn()
85         if (!Evaluate(state, argv[i], &str)) {  in ConcatFn()
94 Value* IfElseFn(const char* name, State* state, const std::vector<std::unique_ptr<Expr>>& argv) {  in IfElseFn()  argument
95     if (argv.size() != 2 && argv.size() != 3) {  in IfElseFn()
101     if (!Evaluate(state, argv[0], &cond)) {  in IfElseFn()
106         return EvaluateValue(state, argv[1]);  in IfElseFn()
107     } else if (argv.size() == 3) {  in IfElseFn()
108         return EvaluateValue(state, argv[2]);  in IfElseFn()
114 Value* AbortFn(const char* name, State* state, const std::vector<std::unique_ptr<Expr>>& argv) {  in AbortFn()  argument
116     if (!argv.empty() && Evaluate(state, argv[0], &msg)) {  in AbortFn()
124 Value* AssertFn(const char* name, State* state, const std::vector<std::unique_ptr<Expr>>& argv) {  in AssertFn()  argument
125     for (size_t i = 0; i < argv.size(); ++i) {  in AssertFn()
127         if (!Evaluate(state, argv[i], &result)) {  in AssertFn()
131             int len = argv[i]->end - argv[i]->start;  in AssertFn()
132             state->errmsg = "assert failed: " + state->script.substr(argv[i]->start, len);  in AssertFn()
139 Value* SleepFn(const char* name, State* state, const std::vector<std::unique_ptr<Expr>>& argv) {  in SleepFn()  argument
141     if (!Evaluate(state, argv[0], &val)) {  in SleepFn()
154 Value* StdoutFn(const char* name, State* state, const std::vector<std::unique_ptr<Expr>>& argv) {  in StdoutFn()  argument
155     for (size_t i = 0; i < argv.size(); ++i) {  in StdoutFn()
157         if (!Evaluate(state, argv[i], &v)) {  in StdoutFn()
166                     const std::vector<std::unique_ptr<Expr>>& argv) {  in LogicalAndFn()  argument
168     if (!Evaluate(state, argv[0], &left)) {  in LogicalAndFn()
172         return EvaluateValue(state, argv[1]);  in LogicalAndFn()
179                    const std::vector<std::unique_ptr<Expr>>& argv) {  in LogicalOrFn()  argument
181     if (!Evaluate(state, argv[0], &left)) {  in LogicalOrFn()
185         return EvaluateValue(state, argv[1]);  in LogicalOrFn()
192                     const std::vector<std::unique_ptr<Expr>>& argv) {  in LogicalNotFn()  argument
194     if (!Evaluate(state, argv[0], &val)) {  in LogicalNotFn()
202                    const std::vector<std::unique_ptr<Expr>>& argv) {  in SubstringFn()  argument
204     if (!Evaluate(state, argv[0], &needle)) {  in SubstringFn()
209     if (!Evaluate(state, argv[1], &haystack)) {  in SubstringFn()
217 Value* EqualityFn(const char* name, State* state, const std::vector<std::unique_ptr<Expr>>& argv) {  in EqualityFn()  argument
219     if (!Evaluate(state, argv[0], &left)) {  in EqualityFn()
223     if (!Evaluate(state, argv[1], &right)) {  in EqualityFn()
232                     const std::vector<std::unique_ptr<Expr>>& argv) {  in InequalityFn()  argument
234     if (!Evaluate(state, argv[0], &left)) {  in InequalityFn()
238     if (!Evaluate(state, argv[1], &right)) {  in InequalityFn()
246 Value* SequenceFn(const char* name, State* state, const std::vector<std::unique_ptr<Expr>>& argv) {  in SequenceFn()  argument
247     std::unique_ptr<Value> left(EvaluateValue(state, argv[0]));  in SequenceFn()
251     return EvaluateValue(state, argv[1]);  in SequenceFn()
255                      const std::vector<std::unique_ptr<Expr>>& argv) {  in LessThanIntFn()  argument
256     if (argv.size() != 2) {  in LessThanIntFn()
262     if (!ReadArgs(state, argv, &args)) {  in LessThanIntFn()
283                         const std::vector<std::unique_ptr<Expr>>& argv) {  in GreaterThanIntFn()  argument
284     if (argv.size() != 2) {  in GreaterThanIntFn()
290     if (!ReadArgs(state, argv, &args)) {  in GreaterThanIntFn()
310 Value* Literal(const char* name, State* state, const std::vector<std::unique_ptr<Expr>>& argv) {  in Literal()  argument
352 bool ReadArgs(State* state, const std::vector<std::unique_ptr<Expr>>& argv,  in ReadArgs()  argument
354     return ReadArgs(state, argv, args, 0, argv.size());  in ReadArgs()
357 bool ReadArgs(State* state, const std::vector<std::unique_ptr<Expr>>& argv,  in ReadArgs()  argument
362     if (start + len > argv.size()) {  in ReadArgs()
367         if (!Evaluate(state, argv[i], &var)) {  in ReadArgs()
378 bool ReadValueArgs(State* state, const std::vector<std::unique_ptr<Expr>>& argv,  in ReadValueArgs()  argument
380     return ReadValueArgs(state, argv, args, 0, argv.size());  in ReadValueArgs()
383 bool ReadValueArgs(State* state, const std::vector<std::unique_ptr<Expr>>& argv,  in ReadValueArgs()  argument
388     if (len == 0 || start + len > argv.size()) {  in ReadValueArgs()
392         std::unique_ptr<Value> v(EvaluateValue(state, argv[i]));  in ReadValueArgs()