Implement C++11 user-defined literals.

[thirdparty/gcc.git] / gcc / cp / mangle.c

diff --git a/gcc/cp/mangle.c b/gcc/cp/mangle.c
index 55851e646b2e169c78d71a79c2dac86a0b0b8de9..8bc26d8b34ff0c58207cdd43c47bf2319b72c514 100644 (file)
--- a/gcc/cp/mangle.c
+++ b/gcc/cp/mangle.c
@@ -181,6 +181,7 @@ static void write_template_prefix (const tree);
 static void write_unqualified_name (const tree);
 static void write_conversion_operator_name (const tree);
 static void write_source_name (tree);
+static void write_literal_operator_name (tree);
 static void write_unnamed_type_name (const tree);
 static void write_closure_type_name (const tree);
 static int hwint_to_ascii (unsigned HOST_WIDE_INT, const unsigned int, char *,
@@ -1174,6 +1175,8 @@ write_unqualified_id (tree identifier)
          }
       write_string (mangled_name);
     }
+  else if (UDLIT_OPER_P (identifier))
+    write_literal_operator_name (identifier);
   else
     write_source_name (identifier);
 }
@@ -1227,6 +1230,8 @@ write_unqualified_name (const tree decl)
 
          write_string (oni[DECL_OVERLOADED_OPERATOR_P (decl)].mangled_name);
        }
+      else if (UDLIT_OPER_P (DECL_NAME (decl)))
+       write_literal_operator_name (DECL_NAME (decl));
       else
        found = false;
 
@@ -1286,6 +1291,21 @@ write_source_name (tree identifier)
   write_identifier (IDENTIFIER_POINTER (identifier));
 }
 
+/* Write a user-defined literal operator.
+   IDENTIFIER is an LITERAL_IDENTIFIER_NODE.  */
+
+static void
+write_literal_operator_name (tree identifier)
+{
+  const char* suffix = UDLIT_OP_SUFFIX (identifier);
+  char* buffer = XNEWVEC (char, strlen (UDLIT_OP_MANGLED_PREFIX)
+                             + strlen (suffix) + 10);
+  sprintf (buffer, UDLIT_OP_MANGLED_FORMAT, suffix);
+
+  write_unsigned_number (strlen (buffer));
+  write_identifier (buffer);
+}
+
 /* Encode 0 as _, and 1+ as n-1_.  */
 
 static void