From 28b0b90f965f08c6363555b6e672da807f9faf7a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 19 Sep 2009 10:47:42 +0200
Subject: Open output files and generate boilerplate code

---
 cli/context.cxx | 164 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 162 insertions(+), 2 deletions(-)

(limited to 'cli/context.cxx')

diff --git a/cli/context.cxx b/cli/context.cxx
index 3c62e38..d90df99 100644
--- a/cli/context.cxx
+++ b/cli/context.cxx
@@ -3,18 +3,178 @@
 // copyright : Copyright (c) 2009 Code Synthesis Tools CC
 // license   : MIT; see accompanying LICENSE file
 
+#include <algorithm>  // std::binary_search
+
 #include "context.hxx"
 
+using namespace std;
+
 context::
 context (std::ostream& os_)
     : data_ (new (shared) data),
-      os (os_)
+      os (os_),
+      reserved_name_map (data_->reserved_name_map_)
 {
 }
 
 context::
 context (context& c)
     : data_ (c.data_),
-      os (c.os)
+      os (c.os),
+      reserved_name_map (c.reserved_name_map)
+{
+}
+
+namespace
 {
+  char const* keywords[] =
+  {
+    "NULL",
+    "and",
+    "asm",
+    "auto",
+    "bitand",
+    "bitor",
+    "bool",
+    "break",
+    "case",
+    "catch",
+    "char",
+    "class",
+    "compl",
+    "const",
+    "const_cast",
+    "continue",
+    "default",
+    "delete",
+    "do",
+    "double",
+    "dynamic_cast",
+    "else",
+    "end_eq",
+    "enum",
+    "explicit",
+    "export",
+    "extern",
+    "false",
+    "float",
+    "for",
+    "friend",
+    "goto",
+    "if",
+    "inline",
+    "int",
+    "long",
+    "mutable",
+    "namespace",
+    "new",
+    "not",
+    "not_eq",
+    "operator",
+    "or",
+    "or_eq",
+    "private",
+    "protected",
+    "public",
+    "register",
+    "reinterpret_cast",
+    "return",
+    "short",
+    "signed",
+    "sizeof",
+    "static",
+    "static_cast",
+    "struct",
+    "switch",
+    "template",
+    "this",
+    "throw",
+    "true",
+    "try",
+    "typedef",
+    "typeid",
+    "typename",
+    "union",
+    "unsigned",
+    "using",
+    "virtual",
+    "void",
+    "volatile",
+    "wchar_t",
+    "while",
+    "xor",
+    "xor_eq"
+  };
+}
+
+string context::
+escape (string const& name) const
+{
+  typedef string::size_type size;
+
+  string r;
+  size n (name.size ());
+
+  // In most common cases we will have that many characters.
+  //
+  r.reserve (n);
+
+  for (size i (0); i < n; ++i)
+  {
+    char c (name[i]);
+
+    if (i == 0)
+    {
+      if (!((c >= 'a' && c <= 'z') ||
+            (c >= 'A' && c <= 'Z') ||
+            c == '_'))
+        r = (c >= '0' && c <= '9') ? "cxx_" : "cxx";
+    }
+
+    if (!((c >= 'a' && c <= 'z') ||
+          (c >= 'A' && c <= 'Z') ||
+          (c >= '0' && c <= '9') ||
+          c == '_'))
+      r += '_';
+    else
+      r += c;
+  }
+
+  if (r.empty ())
+    r = "cxx";
+
+  // Custom reserved words.
+  //
+  reserved_name_map_type::const_iterator i (reserved_name_map.find (r));
+
+  if (i != reserved_name_map.end ())
+  {
+    if (!i->second.empty ())
+      return i->second;
+    else
+      r += L'_';
+  }
+
+  // Keywords
+  //
+  size const ks (sizeof (keywords) / sizeof (char*));
+
+  if (std::binary_search (keywords, keywords + ks, r))
+  {
+    r += '_';
+
+    // Re-run custom words.
+    //
+    i = reserved_name_map.find (r);
+
+    if (i != reserved_name_map.end ())
+    {
+      if (!i->second.empty ())
+        return i->second;
+      else
+        r += L'_';
+    }
+  }
+
+  return r;
 }
-- 
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