From b0bed0e1205f44ae73850fac521f9162f29adef5 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 24 Oct 2016 16:11:50 +0300
Subject: Support >+ and <+ redirects in parser

---
 build2/test/script/lexer.cxx  |  6 ++++--
 build2/test/script/parser.cxx | 15 +++++++++++++++
 build2/test/script/script     |  1 +
 build2/test/script/script.cxx |  1 +
 build2/test/script/token      |  2 ++
 build2/test/script/token.cxx  |  2 ++
 6 files changed, 25 insertions(+), 2 deletions(-)

(limited to 'build2/test')

diff --git a/build2/test/script/lexer.cxx b/build2/test/script/lexer.cxx
index d6e35cb..ddab531 100644
--- a/build2/test/script/lexer.cxx
+++ b/build2/test/script/lexer.cxx
@@ -229,12 +229,13 @@ namespace build2
             {
               xchar p (peek ());
 
-              if (p == '-' || p == ':' || p == '<')
+              if (p == '+' || p == '-' || p == ':' || p == '<')
               {
                 get ();
 
                 switch (p)
                 {
+                case '+': return make_token (type::in_std);
                 case '-': return make_token (type::in_null);
                 case ':': return make_token (type::in_str_nn);
                 case '<':
@@ -261,12 +262,13 @@ namespace build2
             {
               xchar p (peek ());
 
-              if (p == '-' || p == ':' || p == '>')
+              if (p == '+' || p == '-' || p == ':' || p == '>')
               {
                 get ();
 
                 switch (p)
                 {
+                case '+': return make_token (type::out_std);
                 case '-': return make_token (type::out_null);
                 case ':': return make_token (type::out_str_nn);
                 case '>':
diff --git a/build2/test/script/parser.cxx b/build2/test/script/parser.cxx
index 84368b4..183b8ac 100644
--- a/build2/test/script/parser.cxx
+++ b/build2/test/script/parser.cxx
@@ -506,6 +506,7 @@ namespace build2
           //
           switch (tt)
           {
+          case type::in_std:
           case type::in_null:
           case type::in_str:
           case type::in_str_nn:
@@ -517,6 +518,7 @@ namespace build2
 
               break;
             }
+          case type::out_std:
           case type::out_null:
           case type::out_str:
           case type::out_str_nn:
@@ -533,6 +535,9 @@ namespace build2
           redirect_type rt;
           switch (tt)
           {
+          case type::in_std:
+          case type::out_std:    rt = redirect_type::std;           break;
+
           case type::in_null:
           case type::out_null:   rt = redirect_type::null;          break;
 
@@ -553,6 +558,7 @@ namespace build2
           switch (rt)
           {
           case redirect_type::none:
+          case redirect_type::std:
           case redirect_type::null:
             break;
           case redirect_type::here_string:
@@ -595,6 +601,9 @@ namespace build2
               break;
             }
 
+          case type::in_std:
+          case type::out_std:
+
           case type::in_null:
           case type::out_null:
 
@@ -650,6 +659,9 @@ namespace build2
               //
               switch (tt)
               {
+              case type::in_std:
+              case type::out_std:
+
               case type::in_null:
               case type::out_null:
 
@@ -789,6 +801,9 @@ namespace build2
                     //
                     switch (tt)
                     {
+                    case type::in_std:
+                    case type::out_std:
+
                     case type::in_null:
                     case type::out_null:
 
diff --git a/build2/test/script/script b/build2/test/script/script
index f1a3f50..639bba9 100644
--- a/build2/test/script/script
+++ b/build2/test/script/script
@@ -41,6 +41,7 @@ namespace build2
       enum class redirect_type
       {
         none,
+        std,
         null,
         here_string,  // Value is the string.
         here_document // Value is the document.
diff --git a/build2/test/script/script.cxx b/build2/test/script/script.cxx
index 172533c..95e6344 100644
--- a/build2/test/script/script.cxx
+++ b/build2/test/script/script.cxx
@@ -40,6 +40,7 @@ namespace build2
           switch (r.type)
           {
           case redirect_type::none:        assert (false);           break;
+          case redirect_type::std:         o << '+';                 break;
           case redirect_type::null:        o << '-';                 break;
           case redirect_type::here_string: to_stream_q (o, r.value); break;
           case redirect_type::here_document:
diff --git a/build2/test/script/token b/build2/test/script/token
index d20309a..64c1a0c 100644
--- a/build2/test/script/token
+++ b/build2/test/script/token
@@ -31,12 +31,14 @@ namespace build2
           log_and,                      // &&
           log_or,                       // ||
 
+          in_std,                       // <+
           in_null,                      // <-
           in_str,                       // <
           in_str_nn,                    // <:
           in_doc,                       // <<
           in_doc_nn,                    // <<:
 
+          out_std,                      // >+
           out_null,                     // >-
           out_str,                      // >
           out_str_nn,                   // >:
diff --git a/build2/test/script/token.cxx b/build2/test/script/token.cxx
index 0a8ecf1..93f4f83 100644
--- a/build2/test/script/token.cxx
+++ b/build2/test/script/token.cxx
@@ -28,12 +28,14 @@ namespace build2
         case token_type::log_and:      os << q << "&&"  << q; break;
         case token_type::log_or:       os << q << "||"  << q; break;
 
+        case token_type::in_std:       os << q << "<+"  << q; break;
         case token_type::in_null:      os << q << "<-"  << q; break;
         case token_type::in_str:       os << q << '<'   << q; break;
         case token_type::in_str_nn:    os << q << "<:"  << q; break;
         case token_type::in_doc:       os << q << "<<"  << q; break;
         case token_type::in_doc_nn:    os << q << "<<:" << q; break;
 
+        case token_type::out_std:      os << q << ">+"  << q; break;
         case token_type::out_null:     os << q << ">-"  << q; break;
         case token_type::out_str:      os << q << '>'   << q; break;
         case token_type::out_str_nn:   os << q << ">:"  << q; break;
-- 
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