Next chunk of functionality

Add SQL language lexer. Implement MySQL type declaration parser.
Create sub-directories for databases, currently mysql and tracer.
Create MySQL-specific context.

1 files changed, 79 insertions, 0 deletions

diff --git a/odb/sql-token.hxx b/odb/sql-token.hxx
new file mode 100644
index 0000000..464c9a5
--- /dev/null
+++ b/odb/sql-token.hxx
@@ -0,0 +1,79 @@
+// file      : odb/sql-token.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_SQL_TOKEN_HXX
+#define ODB_SQL_TOKEN_HXX
+
+#include <string>
+#include <cstddef> // std::size_t
+
+class sql_token
+{
+public:
+  enum token_type
+  {
+    t_eos,
+    t_identifier,
+    t_punctuation,
+    t_string_lit,
+    t_int_lit,
+    t_float_lit,
+  };
+
+  token_type
+  type () const;
+
+  // Identifier
+  //
+public:
+  std::string const&
+  identifier () const;
+
+  // Punctuation
+  //
+public:
+  enum punctuation_type
+  {
+    p_semi,
+    p_comma,
+    p_lparen,
+    p_rparen,
+    p_eq,
+    p_invalid
+  };
+
+  // Return the punctuation id if type is t_punctuation and p_invalid
+  // otherwise.
+  //
+  punctuation_type
+  punctuation () const;
+
+  // Literals.
+  //
+public:
+  std::string const&
+  literal () const;
+
+  // C-tors.
+  //
+public:
+  // EOS and punctuations.
+  //
+  sql_token ();
+  sql_token (punctuation_type p);
+
+  // Identifier and literals.
+  //
+  sql_token (token_type t, std::string const& s);
+
+private:
+  token_type type_;
+  punctuation_type punctuation_;
+  std::string str_;
+};
+
+#include <odb/sql-token.ixx>
+
+#endif // ODB_SQL_TOKEN_HXX