From 720c5a33b6a49cf328fdd7611f49153cf8f60247 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 8 Apr 2020 14:51:57 +0300
Subject: Separate tests and examples into individual packages

Also make cli module to be explicitly enabled via the config.cli configuration
variable.
---
 cli/cli/parser.hxx | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 cli/cli/parser.hxx

(limited to 'cli/cli/parser.hxx')

diff --git a/cli/cli/parser.hxx b/cli/cli/parser.hxx
new file mode 100644
index 0000000..326768e
--- /dev/null
+++ b/cli/cli/parser.hxx
@@ -0,0 +1,91 @@
+// file      : cli/parser.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef CLI_PARSER_HXX
+#define CLI_PARSER_HXX
+
+#include <map>
+#include <string>
+#include <vector>
+#include <memory>  // unique_ptr
+#include <cstddef> // size_t
+#include <istream>
+
+#include <cli/semantics/elements.hxx>
+#include <cli/semantics/unit.hxx>
+
+class token;
+class lexer;
+
+class parser
+{
+public:
+  typedef std::vector<semantics::path> paths;
+
+  parser (paths const& include_paths): include_paths_ (include_paths) {}
+
+  struct invalid_input {};
+
+  std::unique_ptr<semantics::cli_unit>
+  parse (std::istream& is, semantics::path const& path);
+
+private:
+  struct error {};
+
+  void
+  def_unit ();
+
+  void
+  source_decl ();
+
+  void
+  include_decl ();
+
+  bool
+  decl (token&);
+
+  void
+  scope_doc (token&);
+
+  void
+  namespace_def ();
+
+  void
+  class_def ();
+
+  bool
+  option_def (token&);
+
+  std::string
+  doc_string (const char*, std::size_t);
+
+  bool
+  qualified_name (token&, std::string& name);
+
+  bool
+  fundamental_type (token&, std::string& name);
+
+private:
+  void
+  recover (token& t);
+
+private:
+  paths const include_paths_;
+
+  bool valid_;
+  semantics::path const* path_;
+
+  lexer* lexer_;
+
+  semantics::cli_unit* root_;
+  semantics::cli_unit* cur_;
+  semantics::scope* scope_;
+
+  std::size_t doc_count_; // Scope doc counter, see scope_doc() for details.
+
+  typedef std::map<semantics::path, semantics::cli_unit*> include_map;
+  include_map include_map_;
+};
+
+#endif // CLI_PARSER_HXX
-- 
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