From 4bdf53837e010073de802070d4e6087410662d3e Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Sat, 24 Aug 2019 17:41:30 +0300
Subject: Move cc build system module to separate library

---
 build2/cc/compile-rule.hxx | 187 ---------------------------------------------
 1 file changed, 187 deletions(-)
 delete mode 100644 build2/cc/compile-rule.hxx

(limited to 'build2/cc/compile-rule.hxx')

diff --git a/build2/cc/compile-rule.hxx b/build2/cc/compile-rule.hxx
deleted file mode 100644
index 62127a7..0000000
--- a/build2/cc/compile-rule.hxx
+++ /dev/null
@@ -1,187 +0,0 @@
-// file      : build2/cc/compile-rule.hxx -*- C++ -*-
-// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
-// license   : MIT; see accompanying LICENSE file
-
-#ifndef BUILD2_CC_COMPILE_RULE_HXX
-#define BUILD2_CC_COMPILE_RULE_HXX
-
-#include <libbuild2/types.hxx>
-#include <libbuild2/utility.hxx>
-
-#include <libbuild2/rule.hxx>
-#include <libbuild2/filesystem.hxx> // auto_rmfile
-
-#include <build2/cc/types.hxx>
-#include <build2/cc/common.hxx>
-
-namespace build2
-{
-  class depdb;
-
-  namespace cc
-  {
-    // The order is arranged so that their integral values indicate whether
-    // one is a "stronger" than another.
-    //
-    enum class preprocessed: uint8_t {none, includes, modules, all};
-
-    // Positions of the re-exported bmi{}s. See search_modules() for
-    // details.
-    //
-    struct module_positions
-    {
-      size_t start;    // First imported    bmi*{}, 0 if none.
-      size_t exported; // First re-exported bmi*{}, 0 if none.
-      size_t copied;   // First copied-over bmi*{}, 0 if none.
-    };
-
-    class compile_rule: public rule, virtual common
-    {
-    public:
-      compile_rule (data&&);
-
-      virtual bool
-      match (action, target&, const string&) const override;
-
-      virtual recipe
-      apply (action, target&) const override;
-
-      target_state
-      perform_update (action, const target&) const;
-
-      target_state
-      perform_clean (action, const target&) const;
-
-    private:
-      struct match_data;
-      using environment = small_vector<const char*, 2>;
-
-      void
-      append_lib_options (const scope&,
-                          cstrings&,
-                          action,
-                          const target&,
-                          linfo) const;
-
-      void
-      hash_lib_options (const scope&,
-                        sha256&,
-                        action,
-                        const target&,
-                        linfo) const;
-
-      // Mapping of include prefixes (e.g., foo in <foo/bar>) for auto-
-      // generated headers to directories where they will be generated.
-      //
-      // We are using a prefix map of directories (dir_path_map) instead of
-      // just a map in order to also cover sub-paths (e.g., <foo/more/bar> if
-      // we continue with the example). Specifically, we need to make sure we
-      // don't treat foobar as a sub-directory of foo.
-      //
-      // The priority is used to decide who should override whom. Lesser
-      // values are considered higher priority. See append_prefixes() for
-      // details.
-      //
-      // @@ The keys should be normalized.
-      //
-      struct prefix_value
-      {
-        dir_path directory;
-        size_t priority;
-      };
-      using prefix_map = dir_path_map<prefix_value>;
-
-      void
-      append_prefixes (prefix_map&, const target&, const variable&) const;
-
-      void
-      append_lib_prefixes (const scope&,
-                           prefix_map&,
-                           action,
-                           target&,
-                           linfo) const;
-
-      prefix_map
-      build_prefix_map (const scope&, action, target&, linfo) const;
-
-      small_vector<const target_type*, 2>
-      map_extension (const scope&, const string&, const string&) const;
-
-      // Src-to-out re-mapping. See extract_headers() for details.
-      //
-      using srcout_map = path_map<dir_path>;
-
-      struct module_mapper_state;
-
-      void
-      gcc_module_mapper (module_mapper_state&,
-                         action, const scope&, file&, linfo,
-                         ifdstream&, ofdstream&,
-                         depdb&, bool&, bool&,
-                         optional<prefix_map>&, srcout_map&) const;
-
-      pair<const file*, bool>
-      enter_header (action, const scope&, file&, linfo,
-                    path&&, bool,
-                    optional<prefix_map>&, srcout_map&) const;
-
-      optional<bool>
-      inject_header (action, file&, const file&, bool, timestamp) const;
-
-      pair<auto_rmfile, bool>
-      extract_headers (action, const scope&, file&, linfo,
-                       const file&, match_data&,
-                       depdb&, bool&, timestamp) const;
-
-      pair<unit, string>
-      parse_unit (action, file&, linfo,
-                  const file&, auto_rmfile&,
-                  const match_data&, const path&) const;
-
-      void
-      extract_modules (action, const scope&, file&, linfo,
-                       const compile_target_types&,
-                       const file&, match_data&,
-                       module_info&&, depdb&, bool&) const;
-
-      module_positions
-      search_modules (action, const scope&, file&, linfo,
-                      const target_type&,
-                      const file&, module_imports&, sha256&) const;
-
-      dir_path
-      find_modules_sidebuild (const scope&) const;
-
-      const file&
-      make_module_sidebuild (action, const scope&, const target&,
-                             const target&, const string&) const;
-
-      const file&
-      make_header_sidebuild (action, const scope&, linfo, const file&) const;
-
-      void
-      append_headers (environment&, cstrings&, small_vector<string, 2>&,
-                      action, const file&,
-                      const match_data&, const path&) const;
-
-      void
-      append_modules (environment&, cstrings&, small_vector<string, 2>&,
-                      action, const file&,
-                      const match_data&, const path&) const;
-
-      // Compiler-specific language selection option. Return the number of
-      // options (arguments, really) appended.
-      //
-      size_t
-      append_lang_options (cstrings&, const match_data&) const;
-
-      void
-      append_symexport_options (cstrings&, const target&) const;
-
-    private:
-      const string rule_id;
-    };
-  }
-}
-
-#endif // BUILD2_CC_COMPILE_RULE_HXX
-- 
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