Factor out generic script parsing/executing functionality from build2::test::script namespace

1 files changed, 46 insertions, 0 deletions

diff --git a/libbuild2/script/token.cxx b/libbuild2/script/token.cxx
new file mode 100644
index 0000000..be0aa54
--- /dev/null
+++ b/libbuild2/script/token.cxx
@@ -0,0 +1,46 @@
+// file      : libbuild2/script/token.cxx -*- C++ -*-
+// license   : MIT; see accompanying LICENSE file
+
+#include <libbuild2/script/token.hxx>
+
+using namespace std;
+
+namespace build2
+{
+  namespace script
+  {
+    void
+    token_printer (ostream& os, const token& t, bool d)
+    {
+      const string& v (t.value);
+
+      // Only quote non-name tokens for diagnostics.
+      //
+      const char* q (d ? "'" : "");
+
+      switch (t.type)
+      {
+      case token_type::clean:        os << q << '&'   << v << q; break;
+      case token_type::pipe:         os << q << '|'        << q; break;
+
+      case token_type::in_pass:      os << q << "<|"       << q; break;
+      case token_type::in_null:      os << q << "<-"       << q; break;
+      case token_type::in_str:       os << q << '<'   << v << q; break;
+      case token_type::in_doc:       os << q << "<<"  << v << q; break;
+      case token_type::in_file:      os << q << "<<<"      << q; break;
+
+      case token_type::out_pass:     os << q << ">|"       << q; break;
+      case token_type::out_null:     os << q << ">-"       << q; break;
+      case token_type::out_trace:    os << q << ">!"       << q; break;
+      case token_type::out_merge:    os << q << ">&"       << q; break;
+      case token_type::out_str:      os << q << '>'   << v << q; break;
+      case token_type::out_doc:      os << q << ">>"  << v << q; break;
+      case token_type::out_file_cmp: os << q << ">>>" << v << q; break;
+      case token_type::out_file_ovr: os << q << ">="  << v << q; break;
+      case token_type::out_file_app: os << q << ">+"  << v << q; break;
+
+      default: build2::token_printer (os, t, d);
+      }
+    }
+  }
+}