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Teuchos_Language.hpp
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41 
42 #ifndef TEUCHOS_LANGUAGE_HPP
43 #define TEUCHOS_LANGUAGE_HPP
44 
49 #include <string>
50 #include <vector>
51 #include <iosfwd>
52 
53 #include <Teuchos_Grammar.hpp>
54 #include <Teuchos_FiniteAutomaton.hpp>
55 #include <Teuchos_ReaderTables.hpp>
56 #include <Teuchos_RCP.hpp>
57 
58 namespace Teuchos {
59 
60 
152 struct Language {
153  struct Token {
154  std::string name;
155  std::string regex;
156  void operator()(std::string const& name_in, std::string const& regex_in);
157  };
158  typedef std::vector<Token> Tokens;
160  Tokens tokens;
161  typedef std::vector<std::string> RHS;
162  struct Production;
163  struct RHSBuilder {
164  Production& prod;
165  RHSBuilder(Production& prod_in);
166  RHSBuilder& operator,(std::string const& rhs_item);
167  RHSBuilder& operator>>(std::string const& rhs_item);
168  };
169  struct Production {
170  std::string lhs;
171  RHS rhs;
172  RHSBuilder operator()(std::string const& lhs_in);
173  };
174  typedef std::vector<Production> Productions;
176  Productions productions;
177 };
178 
181 
182 GrammarPtr make_grammar(Language const& language);
183 
194 void make_lexer(FiniteAutomaton& result, Language const& language);
195 
196 
202 
203 std::ostream& operator<<(std::ostream& os, Language const& lang);
204 
205 }
206 
207 #endif
Productions productions
vector of productions
The main class for users to define a language using TeuchosParser.
void make_lexer(FiniteAutomaton &result, Language const &language)
construct a lexer for the Language tokens.
Declares Teuchos::ReaderTables.
Tokens tokens
vector of tokens
ReaderTablesPtr make_reader_tables(Language const &language)
constructs ReaderTables for the given Language.
RCP< const Language > LanguagePtr
an RCP to a const Language
Smart reference counting pointer class for automatic garbage collection.
Reference-counted pointer class and non-member templated function implementations.