[llvm-commits] CVS: llvm/test/Programs/SingleSource/Benchmarks/Shootout-C++/regexmatch.cpp-x

[Chris Lattner]

Changes in directory llvm/test/Programs/SingleSource/Benchmarks/Shootout-C++:

regexmatch.cpp-x added (r1.1)

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Log message:

Check this in instead of having it live in my local tree, though it is not used


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Diffs of the changes:  (+69 -0)

Index: llvm/test/Programs/SingleSource/Benchmarks/Shootout-C++/regexmatch.cpp-x
diff -c /dev/null llvm/test/Programs/SingleSource/Benchmarks/Shootout-C++/regexmatch.cpp-x:1.1
*** /dev/null	Thu Dec 11 21:58:46 2003
--- llvm/test/Programs/SingleSource/Benchmarks/Shootout-C++/regexmatch.cpp-x	Thu Dec 11 21:58:35 2003
***************
*** 0 ****
--- 1,69 ----
+ // -*- mode: c++ -*-
+ // $Id: regexmatch.cpp-x,v 1.1 2003/12/12 03:58:35 lattner Exp $
+ // http://www.bagley.org/~doug/shootout/
+ // From Bill Lear
+ 
+ 
+ #include <iostream>
+ #include <zopyra/regx>
+ 
+ using namespace std;
+ 
+ typedef pair<const char*, const char*> span;
+ 
+ int main(int ac, char* av[]) {
+     zopyra::regx re(
+ 	"(?x)	          # set extended flag for embedded comment fun\n"
+         "(?:^|[^\\d(])    # must be preceded by non-digit\n"
+         "([(])?           # match 1: possible initial left paren\n"
+         "(\\d{3})         # match 2: area code is 3 digits\n"
+         "(?(1)[)])        # if match1 then match right paren\n"
+         "[ ]              # area code followed by one space\n"
+         "(\\d{3})         # match 3: prefix of 3 digits\n"
+         "[- ]             # separator is either space or dash\n"
+         "(\\d{4})         # match 4: last 4 digits\n"
+         "(?:\\D|\\b)      # followed by non-digit or break\n"
+ 	);
+     
+     string line;
+     vector<span> lines;
+     while (getline(cin, line)) {
+         char* phone = new char[line.size()];
+         copy(line.begin(), line.end(), phone);
+         lines.push_back(span(phone, phone + line.size()));
+     }
+ 
+     size_t ITER = (ac == 2 ? (atoi(av[1]) < 1 ? 1 : atoi(av[1])): 1);
+ 
+     char num[13];
+     num[0] = '(';
+     num[4] = ')';
+     num[5] = ' ';
+     num[9] = '-';
+     size_t count = 0;
+     while (ITER--) {
+         vector<span>::iterator end = lines.end();
+         for (vector<span>::iterator i = lines.begin(); i != end; ++i) {
+             zopyra::regx::iterator p = re.find(i->first, i->second);
+             if (p++ != re.end()) {
+                 char* num_p = &num[1];
+                 ++p;
+                 copy(p->first, p->second, num_p);
+ 
+                 num_p = &num[6];
+                 ++p;
+                 copy(p->first, p->second, num_p);
+ 
+                 num_p = &num[10];
+                 ++p;
+                 copy(p->first, p->second, num_p);
+ 
+                 if (!ITER) {
+                     cout << ++count << ": ";
+                     copy(num, num + 14, ostream_iterator<char>(cout));
+                     cout << '\n';
+                 }
+             }
+         }
+     }
+ }