From 9fb791e9fad6c63fc1dac49f4d05ae63b8a3db9b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 5 Jan 2016 11:55:15 +0200
Subject: Rename build directory/namespace to build2

---
 build/lexer | 138 ------------------------------------------------------------
 1 file changed, 138 deletions(-)
 delete mode 100644 build/lexer

(limited to 'build/lexer')

diff --git a/build/lexer b/build/lexer
deleted file mode 100644
index 4a50e2a..0000000
--- a/build/lexer
+++ /dev/null
@@ -1,138 +0,0 @@
-// file      : build/lexer -*- C++ -*-
-// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
-// license   : MIT; see accompanying LICENSE file
-
-#ifndef BUILD_LEXER
-#define BUILD_LEXER
-
-#include <stack>
-#include <string>
-#include <iosfwd>
-#include <cstddef> // size_t
-#include <cstdint> // uint64_t
-#include <cassert>
-#include <exception>
-
-#include <butl/char-scanner>
-
-#include <build/types>
-#include <build/utility>
-
-#include <build/token>
-#include <build/diagnostics>
-
-namespace build
-{
-  // Context-dependent lexing mode. In the value mode we don't treat
-  // certain characters (e.g., +, =) as special so that we can use
-  // them in the variable values, e.g., 'foo = g++'. In contrast, in
-  // the variable mode, we restrict certain character (e.g., /) from
-  // appearing in the name. The pairs mode is just like value except
-  // that we split names separated by the pair character. The eval
-  // mode is used in the evaluation context.
-  //
-  // The alternnative modes must be set manually. The value and pairs
-  // modes are automatically reset after the end of the line. The
-  // variable mode is reset after the name token. And the eval mode
-  // is reset after the closing ')'.
-  //
-  // Quoted is an internal mode and should not be set explicitly.
-  //
-  enum class lexer_mode {normal, variable, value, pairs, eval, quoted};
-
-  class lexer: protected butl::char_scanner
-  {
-  public:
-    lexer (std::istream& is,
-           const std::string& name,
-           void (*processor) (token&, const lexer&) = nullptr)
-        : char_scanner (is), fail (name), processor_ (processor), sep_ (false)
-    {
-      mode_.push (lexer_mode::normal);
-    }
-
-    const std::string&
-    name () const {return fail.name_;}
-
-    // Note: sets mode for the next token. If mode is pairs, then
-    // the second argument specifies the separator character.
-    //
-    void
-    mode (lexer_mode m, char pair_separator = '=')
-    {
-      mode_.push (m);
-      pair_separator_ = pair_separator;
-    }
-
-    // Expire the current mode early.
-    //
-    void
-    expire_mode () {mode_.pop ();}
-
-    lexer_mode
-    mode () const {return mode_.top ();}
-
-    char
-    pair_separator () const {return pair_separator_;}
-
-    // Scanner.
-    //
-    token
-    next ();
-
-    // Peek at the first character of the next token. Return the character
-    // or 0 if the next token will be eos. Also return an indicator of
-    // whether the next token will be separated.
-    //
-    pair<char, bool>
-    peek_char ();
-
-  private:
-    token
-    next_impl ();
-
-    token
-    next_eval ();
-
-    token
-    next_quoted ();
-
-    token
-    name (bool separated);
-
-    // Return true if we have seen any spaces. Skipped empty lines
-    // don't count. In other words, we are only interested in spaces
-    // that are on the same line as the following non-space character.
-    //
-    bool
-    skip_spaces ();
-
-    xchar
-    escape ();
-
-    // Diagnostics.
-    //
-  private:
-    struct fail_mark_base: build::fail_mark_base<failed>
-    {
-      fail_mark_base (const std::string& n): name_ (n) {}
-
-      location_prologue
-      operator() (const xchar&) const;
-
-      std::string name_;
-    };
-    typedef diag_mark<fail_mark_base> fail_mark;
-
-  private:
-    fail_mark fail;
-
-    void (*processor_) (token&, const lexer&);
-
-    std::stack<lexer_mode> mode_;
-    char pair_separator_;
-    bool sep_; // True if we skipped spaces in peek().
-  };
-}
-
-#endif // BUILD_LEXER
-- 
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