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#ifndef _INCLUDED_GENERATOR_
#define _INCLUDED_GENERATOR_
#include <vector>
#include <unordered_map>
#include <string>
#include <iosfwd>
#include <bobcat/arg>
#include <bobcat/stat>
#include "../writer/writer.h"
class Terminal;
class Rules;
struct Options;
class Generator
{
using Inserter = void (Generator::*)(std::ostream &) const;
using Map = std::unordered_map<std::string, Inserter>;
using MapValue = Map::value_type;
using MapConstIter = Map::const_iterator;
using StrStrMap = std::unordered_map<std::string, std::string>;
FBB::Arg &d_arg;
mutable FBB::Stat d_stat;
Rules const &d_rules;
Options &d_options;
std::string d_baseClassScope;
std::string const &d_nameSpace;
std::string const &d_matchedTextFunction;
std::string const &d_tokenFunction;
std::string d_nameSpacedClassname;
mutable std::string d_key; // extracted at $insert statements
mutable size_t d_indent;
mutable std::string d_line;
bool d_genDebug;
bool d_printTokens;
bool d_threadSafe;
// polymorphic key -> C++ type
StrStrMap d_polymorphic; // received in main from d_parser
mutable Writer d_writer; // maintains its own const-ness
static Map s_insert;
static char const *s_atFlag; // \@ flag in skeletons
struct At;
using AtVector = std::vector<At>;
struct AtBool;
using AtBoolVector = std::vector<AtBool>;
static AtBoolVector s_atBol; // no typo: Bol = Begin of line
static AtVector s_at;
public:
Generator(Rules const &rules, StrStrMap &&polymorphic);
bool conflicts() const;
void baseClassHeader() const;
void classHeader() const;
void implementationHeader() const;
void parseFunction() const;
private:
static std::string filename(std::string const &path);
void filter(std::istream &in, std::ostream &out,
bool header = true) const;
void insert(std::ostream &out) const;
void key(std::ostream &out) const; // show which $insert is
// called, just before the
// generated code
bool errExisting(std::string const &fileName,
std::string const &option,
std::string const ®ex) const;
bool grep(std::string const &fileName, std::string const ®ex)
const;
std::ofstream tokenPath() const;
void actionCases(std::ostream &out) const;
void baseClass(std::ostream &out) const;
void classH(std::ostream &out) const;
void classIH(std::ostream &out) const;
void debug(std::ostream &out) const;
void debugIncludes(std::ostream &out) const;
void debugFunctions(std::ostream &out) const;
void debugDecl(std::ostream &out) const;
void debugLookup(std::ostream &out) const;
void defaultActionReturn(std::ostream &out) const;
void errorVerbose(std::ostream &out) const;
void executeActionCases(std::ostream &out) const;
void idOfTag(std::ostream &out) const;
void lex(std::ostream &out) const;
void ltype(std::ostream &out) const;
void ltypeData(std::ostream &out) const;
void ltypeClear(std::ostream &out) const;
void ltypePop(std::ostream &out) const;
void ltypePush(std::ostream &out) const;
void ltypeResize(std::ostream &out) const;
void ltypeStack(std::ostream &out) const;
void namespaceClose(std::ostream &out) const;
void namespaceOpen(std::ostream &out) const;
void namespaceUse(std::ostream &out) const;
void notokens(std::ostream &out) const;
void polymorphic(std::ostream &out) const;
void parserBase(std::ostream &out) const;
void polyIncludes(std::ostream &out) const;
void polymorphicCode(std::ostream &out) const;
void polymorphicSpecializations(std::ostream &out) const;
void polymorphicOpAssignDecl(std::ostream &out) const;
void polymorphicOpAssignImpl(std::ostream &out) const;
void preIncludes(std::ostream &out) const;
void print(std::ostream &out) const;
void prompt(std::ostream &out) const;
void baseClassCode(std::ostream &out) const;
void scannerH(std::ostream &out) const;
void scannerObject(std::ostream &out) const;
void staticData(std::ostream &out) const;
void stype(std::ostream &out) const;
void tokens(std::ostream &out) const;
void undefparser(std::ostream &out) const;
void warnTagMismatches(std::ostream &out) const;
void ifInsertStype(bool &accept) const;
void ifPrintTokens(bool &accept) const;
void ifLtype(bool &accept) const;
void atElse(bool &accept) const;
void atEnd(bool &accept) const;
std::string const &atTokenFunction() const;
std::string const &atMatchedTextFunction() const;
std::string const &atLtype() const;
std::string const &atNameSpacedClassname() const;
std::string const &atClassname() const;
void replaceBaseFlag(std::string &line) const;
void replaceAtKey(std::string &line, size_t pos) const;
static void selectSymbolic(Terminal const *terminal,
Terminal::ConstVector &symbolicTokens);
static void replace(std::string &str, char ch,
std::string const &replacement);
void insert(std::ostream &out, size_t indent, char const *skel) const;
void bolAt(std::string &line, bool &accept) const;
template <typename AtType>
typename std::vector<AtType>::const_iterator find(
std::string const &line,
size_t pos,
std::vector<AtType> const &atVector
) const;
};
#endif
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