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Extract calc++ from the documentation.

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* doc/bison.texinfo (Calc++): Add the extraction marks.
* examples/extexi: New, from the aborted GNU Programming 2E.
Separate the different paragraph of a file with empty lines.
* examples/Makefile: Use it to extract the whole calc++ example.
This commit is contained in:
Akim Demaille
2005-07-05 07:21:30 +00:00
parent 8a0adb0183
commit 1c59e0a121
9 changed files with 235 additions and 66 deletions
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59
examples/calc++/calc++-driver.hh
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@@ -1,64 +1,47 @@
#line 7036 "../../doc/bison.texinfo"
#ifndef CALCXX_DRIVER_HH
# define CALCXX_DRIVER_HH
# include <string>
# include <map>
/// Forward declarations.
#line 7051 "../../doc/bison.texinfo"
// Forward declarations.
union YYSTYPE;
namespace yy
{
class calcxx_parser;
class location;
class calcxx_parser;
}
class calcxx_driver;
#line 7069 "../../doc/bison.texinfo"
// Announce to Flex the prototype we want for lexing function, ...
# define YY_DECL \
# define YY_DECL \
int yylex (YYSTYPE* yylval, yy::location* yylloc, calcxx_driver& driver)
// ... and declare it for the parser's sake.
YY_DECL;
/// Conducting the whole scanning and parsing of Calc++.
#line 7082 "../../doc/bison.texinfo"
// Conducting the whole scanning and parsing of Calc++.
class calcxx_driver
{
public:
calcxx_driver ();
virtual ~calcxx_driver ();
/// The variables.
std::map<std::string, int> variables;
/// \name Handling the scanner.
/// \{
/// Open \a file for scanning.
void scan_begin ();
/// End scanning, clean up memory.
void scan_end ();
/// Whether to enable scanner traces.
bool trace_scanning;
/// \}
/// \name Handling the parser.
/// \{
/// Parse the file \a f.
void parse (const std::string& f);
/// The file being parsed.
std::string file;
/// Whether to enable parsing traces.
bool trace_parsing;
/// \}
/// The result.
int result;
/// \name Error handling.
/// \{
/// Register a located error.
#line 7101 "../../doc/bison.texinfo"
// Handling the scanner.
void scan_begin ();
void scan_end ();
bool trace_scanning;
#line 7112 "../../doc/bison.texinfo"
// Handling the parser.
void parse (const std::string& f);
std::string file;
bool trace_parsing;
#line 7126 "../../doc/bison.texinfo"
// Error handling.
void error (const yy::location& l, const std::string& m);
/// Register an error.
void error (const std::string& m);
/// \}
};
#endif
#endif // ! CALCXX_DRIVER_HH