1 // { dg-do run }
2 // GROUPS passed ptolemy-bugs
3 #include <iostream>
4
5 class PTcl {
6 public:
7 int dispatcher(int which,int argc,char** argv);
8 // fns in the table
9 int one(int argc, char** argv);
10 int two(int argc, char** argv);
11 int three(int argc, char** argv);
12 };
13
14 // An InterpFuncP is a pointer to an PTcl function that takes an argc-argv
15 // argument list and returns TCL_OK or TCL_ERROR.
16
17 typedef int (PTcl::*InterpFuncP)(int,char**);
18
19 struct InterpTableEntry {
20 const char* name;
21 InterpFuncP func;
22 };
23
24 // Here is the function table and dispatcher function.
25 // These macros define entries for the table
26
27 #define quote(x) #x
28 #define ENTRY(verb) { quote(verb), &PTcl::verb }
29
30 static InterpTableEntry funcTable[] = {
31 ENTRY(one),
32 ENTRY(two),
33 ENTRY(three),
34 {0, 0}
35 };
36
dispatcher(int which,int argc,char ** argv)37 int PTcl::dispatcher(int which, int argc, char** argv) {
38 return (this->*(funcTable[which].func))(argc, argv);
39 }
40
printargs(char ** argv)41 void printargs(char** argv) {
42 // while (*argv) {
43 // cout << " " << *argv++;
44 // }
45 // cout << "\n";
46 }
47
one(int,char ** argv)48 int PTcl::one(int, char** argv) {
49 std::cout << "FAIL\n";
50 printargs(argv);
51 return 1;
52 }
53
two(int,char ** argv)54 int PTcl::two(int, char** argv) {
55 std::cout << "PASS\n";
56 printargs(argv);
57 return 0;
58 }
59
three(int,char ** argv)60 int PTcl::three(int, char** argv) {
61 std::cout << "FAIL\n";
62 printargs(argv);
63 return 1;
64 }
65
main(int argc,char ** argv)66 int main (int argc, char** argv) {
67 PTcl obj;
68 return obj.dispatcher(1,argc,argv);
69 }
70