Proyecto-Titulo/obelisk
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develop #8

Merged
cromer merged 11 commits from develop into master 2022-11-29 00:09:38 -03:00
Conversation 0 Commits 11 Files Changed 36 +547 -86
18 changed files with 547 additions and 86 deletions
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32
src/knowledge_base.cpp
View File

@ -9,11 +9,6 @@
#include <filesystem>
#include <iostream>
obelisk::KnowledgeBase::KnowledgeBase(const char* filename)
{
KnowledgeBase(filename, DEFAULT_FLAGS);
}
obelisk::KnowledgeBase::KnowledgeBase(const char* filename, int flags)
{
filename_ = std::move(filename);
@ -66,6 +61,33 @@ void obelisk::KnowledgeBase::createTable(std::function<const char*()> function)
}
}
int obelisk::KnowledgeBase::addEntities(std::vector<obelisk::Entity>& entities)
{
for (auto& entity : entities)
{
entity.insertEntity(dbConnection_);
}
return 0;
}
int obelisk::KnowledgeBase::addVerbs(std::vector<obelisk::Verb>& verbs)
{
for (auto& verb : verbs)
{
verb.insertVerb(dbConnection_);
}
return 0;
}
int obelisk::KnowledgeBase::addFacts(std::vector<obelisk::Fact>& facts)
{
for (auto& fact : facts)
{
fact.insertFact(dbConnection_);
}
return 0;
}
// TODO: log files?
void obelisk::KnowledgeBase::logSqliteError(int result)
{

22
src/knowledge_base.h
View File

@ -1,10 +1,15 @@
#ifndef OBELISK_KNOWLEDGE_BASE_H
#define OBELISK_KNOWLEDGE_BASE_H
#include "models/entity.h"
#include "models/fact.h"
#include "models/verb.h"
#include <sqlite3.h>
#include <functional>
#include <iostream>
#include <memory>
#include <string>
namespace obelisk
@ -22,16 +27,19 @@ namespace obelisk
void createTable(std::function<const char*()> function);
public:
KnowledgeBase(const char* filename);
KnowledgeBase(const char* filename, int flags);
KnowledgeBase(const char* filename) :
KnowledgeBase(filename,
SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE)
{
}
~KnowledgeBase();
template<typename T, typename U>
int addFacts(std::string verb, T leftEntities, U rightEntities);
// TODO: add parameter for fact
template<typename T, typename U>
int addRules(std::string verb, T leftEntities, U rightEntities);
template<typename T, typename U> int addActions();
int addEntities(std::vector<obelisk::Entity>& entities);
int addVerbs(std::vector<obelisk::Verb>& verbs);
int addFacts(std::vector<obelisk::Fact>& facts);
void getDouble(double& result, float var1, float var2);
void getFloat(float& result1, float& result2, double var);

4
src/models/action.cpp
View File

@ -11,7 +11,7 @@ const char* obelisk::Action::createTable()
)";
}
int obelisk::Action::getId()
int& obelisk::Action::getId()
{
return id_;
}
@ -21,7 +21,7 @@ void obelisk::Action::setId(int id)
id_ = id;
}
std::string obelisk::Action::getName()
std::string& obelisk::Action::getName()
{
return name_;
}

4
src/models/action.h
View File

@ -38,10 +38,10 @@ namespace obelisk
static const char* createTable();
int getId();
int& getId();
void setId(int id);
std::string getName();
std::string& getName();
void setName(std::string name);
};
} // namespace obelisk

113
src/models/entity.cpp
View File

@ -11,7 +11,116 @@ const char* obelisk::Entity::createTable()
)";
}
int obelisk::Entity::getId()
obelisk::Entity obelisk::Entity::selectEntity(sqlite3* dbConnection,
std::string name)
{
// TODO: check if database is open
sqlite3_stmt* ppStmt = nullptr;
const char* pzTail = nullptr;
auto result = sqlite3_prepare_v2(dbConnection,
"SELECT id, name FROM entity WHERE name=?;",
-1,
&ppStmt,
&pzTail);
if (result != SQLITE_OK)
{
// TODO: something went wrong throw an error
}
if (pzTail != nullptr)
{
// TODO: Something was not used... throw an error
}
result = sqlite3_bind_text(ppStmt, 1, name.c_str(), -1, SQLITE_TRANSIENT);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_step(ppStmt);
if (result != SQLITE_DONE)
{
// TODO: Something is wrong... throw an error
}
if (result == SQLITE_ROW)
{
auto id = sqlite3_column_int(ppStmt, 0);
std::string name((char*) sqlite3_column_text(ppStmt, 1));
result = sqlite3_finalize(ppStmt);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
return Entity(id, name);
}
else
{
result = sqlite3_finalize(ppStmt);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
return Entity();
}
}
int obelisk::Entity::insertEntity(sqlite3* dbConnection)
{
// TODO: check if database is open
if (selectEntity(dbConnection, getName()).getId() != 0)
{
// TODO: already exists in database, throw an error? Or skip past it?
return -1;
}
sqlite3_stmt* ppStmt = nullptr;
const char* pzTail = nullptr;
auto result = sqlite3_prepare_v2(dbConnection,
"INSERT INTO entity (name) VALUES (?);",
-1,
&ppStmt,
&pzTail);
if (result != SQLITE_OK)
{
// TODO: something went wrong throw an error
}
if (pzTail != nullptr)
{
// TODO: Something was not used... throw an error
}
result
= sqlite3_bind_text(ppStmt, 1, getName().c_str(), -1, SQLITE_TRANSIENT);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_step(ppStmt);
if (result != SQLITE_DONE)
{
// TODO: Something is wrong... throw an error
}
setId((int) sqlite3_last_insert_rowid(dbConnection));
result = sqlite3_finalize(ppStmt);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
return 0;
}
int& obelisk::Entity::getId()
{
return id_;
}
@ -21,7 +130,7 @@ void obelisk::Entity::setId(int id)
id_ = id;
}
std::string obelisk::Entity::getName()
std::string& obelisk::Entity::getName()
{
return name_;
}

9
src/models/entity.h
View File

@ -1,6 +1,8 @@
#ifndef OBELISK_MODELS_ENTITY_H
#define OBELISK_MODELS_ENTITY_H
#include <sqlite3.h>
#include <string>
namespace obelisk
@ -38,11 +40,14 @@ namespace obelisk
static const char* createTable();
int getId();
int& getId();
void setId(int id);
std::string getName();
std::string& getName();
void setName(std::string name);
Entity selectEntity(sqlite3* dbConnection, std::string name);
int insertEntity(sqlite3* dbConnection);
};
} // namespace obelisk

153
src/models/fact.cpp
View File

@ -16,7 +16,152 @@ const char* obelisk::Fact::createTable()
)";
}
int obelisk::Fact::getId()
obelisk::Fact obelisk::Fact::selectFact(sqlite3* dbConnection,
int idLeftEntity,
int idRightEntity,
int idVerb)
{
// TODO: check if database is open
sqlite3_stmt* ppStmt = nullptr;
const char* pzTail = nullptr;
auto result = sqlite3_prepare_v2(dbConnection,
"SELECT id, left_entity, right_entity, verb FROM fact WHERE (left_entity=? AND right_entity=? AND verb=?);",
-1,
&ppStmt,
&pzTail);
if (result != SQLITE_OK)
{
// TODO: something went wrong throw an error
}
if (pzTail != nullptr)
{
// TODO: Something was not used... throw an error
}
result = sqlite3_bind_int(ppStmt, 1, getLeftEntity().getId());
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_bind_int(ppStmt, 2, getRightEntity().getId());
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_bind_int(ppStmt, 3, getVerb().getId());
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_step(ppStmt);
if (result != SQLITE_DONE)
{
// TODO: Something is wrong... throw an error
}
if (result == SQLITE_ROW)
{
auto id = sqlite3_column_int(ppStmt, 0);
auto leftEntity = sqlite3_column_int(ppStmt, 1);
auto rightEntity = sqlite3_column_int(ppStmt, 2);
auto verb = sqlite3_column_int(ppStmt, 3);
result = sqlite3_finalize(ppStmt);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
return Fact(id, leftEntity, rightEntity, verb);
}
else
{
result = sqlite3_finalize(ppStmt);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
return Fact();
}
}
int obelisk::Fact::insertFact(sqlite3* dbConnection)
{
// TODO: make sure database is open
// check if the fact id exists, based on the ids of the entities and verb
if (selectFact(dbConnection,
getLeftEntity().getId(),
getRightEntity().getId(),
getVerb().getId())
.getId()
!= 0)
{
// TODO: Verb is already in database, throw an error? Or just skip it?
return -1;
}
// TODO: verify that verbId, leftEntityId, and rightEntityId are not 0
sqlite3_stmt* ppStmt = nullptr;
const char* pzTail = nullptr;
auto result = sqlite3_prepare_v2(dbConnection,
"INSERT INTO fact (left_entity, right_entity, verb) VALUES (?, ?, ?);",
-1,
&ppStmt,
&pzTail);
if (result != SQLITE_OK)
{
// TODO: something went wrong throw an error
}
if (pzTail != nullptr)
{
// TODO: Something was not used... throw an error
}
result = sqlite3_bind_int(ppStmt, 1, getLeftEntity().getId());
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_bind_int(ppStmt, 2, getRightEntity().getId());
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_bind_int(ppStmt, 3, getVerb().getId());
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_step(ppStmt);
if (result != SQLITE_DONE)
{
// TODO: Something is wrong... throw an error
}
setId((int) sqlite3_last_insert_rowid(dbConnection));
result = sqlite3_finalize(ppStmt);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
return 0;
}
int& obelisk::Fact::getId()
{
return id_;
}
@ -26,7 +171,7 @@ void obelisk::Fact::setId(int id)
id_ = id;
}
obelisk::Entity obelisk::Fact::getLeftEntity()
obelisk::Entity& obelisk::Fact::getLeftEntity()
{
return leftEntity_;
}
@ -36,7 +181,7 @@ void obelisk::Fact::setLeftEntity(obelisk::Entity leftEntity)
leftEntity_ = leftEntity;
}
obelisk::Entity obelisk::Fact::getRightEntity()
obelisk::Entity& obelisk::Fact::getRightEntity()
{
return rightEntity_;
}
@ -46,7 +191,7 @@ void obelisk::Fact::setRightEntity(obelisk::Entity rightEntity)
rightEntity_ = rightEntity;
}
obelisk::Verb obelisk::Fact::getVerb()
obelisk::Verb& obelisk::Fact::getVerb()
{
return verb_;
}

16
src/models/fact.h
View File

@ -2,6 +2,7 @@
#define OBELISK_MODELS_FACT_H
#include "models/entity.h"
#include "models/fact.h"
#include "models/verb.h"
#include <string>
@ -56,17 +57,24 @@ namespace obelisk
static const char* createTable();
int getId();
int& getId();
void setId(int id);
obelisk::Entity getLeftEntity();
Entity& getLeftEntity();
void setLeftEntity(obelisk::Entity leftEntity);
obelisk::Entity getRightEntity();
Entity& getRightEntity();
void setRightEntity(obelisk::Entity leftEntity);
obelisk::Verb getVerb();
Verb& getVerb();
void setVerb(obelisk::Verb verb);
Fact selectFact(sqlite3* dbConnection,
int idLeftEntity,
int idRightEntity,
int idVerb);
int insertFact(sqlite3* dbConnection);
};
} // namespace obelisk

6
src/models/rule.cpp
View File

@ -14,7 +14,7 @@ const char* obelisk::Rule::createTable()
)";
}
int obelisk::Rule::getId()
int& obelisk::Rule::getId()
{
return id_;
}
@ -24,7 +24,7 @@ void obelisk::Rule::setId(int id)
id_ = id;
}
obelisk::Fact obelisk::Rule::getFact()
obelisk::Fact& obelisk::Rule::getFact()
{
return fact_;
}
@ -34,7 +34,7 @@ void obelisk::Rule::setFact(obelisk::Fact fact)
fact_ = fact;
}
obelisk::Fact obelisk::Rule::getReason()
obelisk::Fact& obelisk::Rule::getReason()
{
return reason_;
}

6
src/models/rule.h
View File

@ -45,13 +45,13 @@ namespace obelisk
static const char* createTable();
int getId();
int& getId();
void setId(int id);
obelisk::Fact getFact();
obelisk::Fact& getFact();
void setFact(obelisk::Fact fact);
obelisk::Fact getReason();
obelisk::Fact& getReason();
void setReason(obelisk::Fact reason);
};
} // namespace obelisk

8
src/models/suggest_action.cpp
View File

@ -16,7 +16,7 @@ const char* obelisk::SuggestAction::createTable()
)";
}
int obelisk::SuggestAction::getId()
int& obelisk::SuggestAction::getId()
{
return id_;
}
@ -26,7 +26,7 @@ void obelisk::SuggestAction::setId(int id)
id_ = id;
}
obelisk::Fact obelisk::SuggestAction::getFact()
obelisk::Fact& obelisk::SuggestAction::getFact()
{
return fact_;
}
@ -36,7 +36,7 @@ void obelisk::SuggestAction::setFact(obelisk::Fact fact)
fact_ = fact;
}
obelisk::Action obelisk::SuggestAction::getTrueAction()
obelisk::Action& obelisk::SuggestAction::getTrueAction()
{
return trueAction_;
}
@ -46,7 +46,7 @@ void obelisk::SuggestAction::setTrueAction(obelisk::Action trueAction)
trueAction_ = trueAction;
}
obelisk::Action obelisk::SuggestAction::getFalseAction()
obelisk::Action& obelisk::SuggestAction::getFalseAction()
{
return falseAction_;
}

8
src/models/suggest_action.h
View File

@ -56,16 +56,16 @@ namespace obelisk
static const char* createTable();
int getId();
int& getId();
void setId(int id);
obelisk::Fact getFact();
obelisk::Fact& getFact();
void setFact(obelisk::Fact fact);
obelisk::Action getTrueAction();
obelisk::Action& getTrueAction();
void setTrueAction(obelisk::Action trueAction);
obelisk::Action getFalseAction();
obelisk::Action& getFalseAction();
void setFalseAction(obelisk::Action falseAction);
};
} // namespace obelisk

115
src/models/verb.cpp
View File

@ -1,5 +1,7 @@
#include "models/verb.h"
#include <iostream>
const char* obelisk::Verb::createTable()
{
return R"(
@ -11,7 +13,116 @@ const char* obelisk::Verb::createTable()
)";
}
int obelisk::Verb::getId()
obelisk::Verb obelisk::Verb::selectVerb(sqlite3* dbConnection, std::string name)
{
// TODO: check if database is open
sqlite3_stmt* ppStmt = nullptr;
const char* pzTail = nullptr;
auto result = sqlite3_prepare_v2(dbConnection,
"SELECT id, name FROM verb WHERE name=?;",
-1,
&ppStmt,
&pzTail);
if (result != SQLITE_OK)
{
// TODO: something went wrong throw an error
}
if (pzTail != nullptr)
{
// TODO: Something was not used... throw an error
}
result = sqlite3_bind_text(ppStmt, 1, name.c_str(), -1, SQLITE_TRANSIENT);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_step(ppStmt);
if (result != SQLITE_DONE)
{
// TODO: Something is wrong... throw an error
}
if (result == SQLITE_ROW)
{
auto id = sqlite3_column_int(ppStmt, 0);
std::string name((char*) sqlite3_column_text(ppStmt, 1));
result = sqlite3_finalize(ppStmt);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
return Verb(id, name);
}
else
{
result = sqlite3_finalize(ppStmt);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
return Verb();
}
}
int obelisk::Verb::insertVerb(sqlite3* dbConnection)
{
// TODO: make sure database is open
if (selectVerb(dbConnection, getName()).getId() != 0)
{
// TODO: Verb is already in database, throw an error? Or just skip it?
return -1;
}
sqlite3_stmt* ppStmt = nullptr;
const char* pzTail = nullptr;
auto result = sqlite3_prepare_v2(dbConnection,
"INSERT INTO verb (name) VALUES (?);",
-1,
&ppStmt,
&pzTail);
if (result != SQLITE_OK)
{
// TODO: something went wrong throw an error
}
if (pzTail != nullptr)
{
// TODO: Something was not used... throw an error
}
result
= sqlite3_bind_text(ppStmt, 1, getName().c_str(), -1, SQLITE_TRANSIENT);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
result = sqlite3_step(ppStmt);
if (result != SQLITE_DONE)
{
// TODO: Something is wrong... throw an error
}
setId((int) sqlite3_last_insert_rowid(dbConnection));
result = sqlite3_finalize(ppStmt);
if (result != SQLITE_OK)
{
// TODO: Something is wrong... throw an error
}
return 0;
}
int& obelisk::Verb::getId()
{
return id_;
}
@ -21,7 +132,7 @@ void obelisk::Verb::setId(int id)
id_ = id;
}
std::string obelisk::Verb::getName()
std::string& obelisk::Verb::getName()
{
return name_;
}

9
src/models/verb.h
View File

@ -1,6 +1,8 @@
#ifndef OBELISK_MODELS_VERB_H
#define OBELISK_MODELS_VERB_H
#include <sqlite3.h>
#include <string>
namespace obelisk
@ -38,11 +40,14 @@ namespace obelisk
static const char* createTable();
int getId();
int& getId();
void setId(int id);
std::string getName();
std::string& getName();
void setName(std::string name);
Verb selectVerb(sqlite3* dbConnection, std::string name);
int insertVerb(sqlite3* dbConnection);
};
} // namespace obelisk

49
src/obelisk.cpp
View File

@ -8,9 +8,21 @@
#include <limits>
#include <memory>
static void mainLoop()
static int mainLoop()
{
auto parser = std::unique_ptr<obelisk::Parser> {new obelisk::Parser()};
std::unique_ptr<obelisk::KnowledgeBase> kb;
try
{
kb = std::unique_ptr<obelisk::KnowledgeBase> {
new obelisk::KnowledgeBase("cromer.kb")};
}
catch (obelisk::KnowledgeBaseException& exception)
{
std::cout << exception.what() << std::endl;
return EXIT_FAILURE;
}
// Prime the first token.
fprintf(stderr, "ready> ");
@ -22,7 +34,7 @@ static void mainLoop()
switch (parser->getCurrentToken())
{
case obelisk::Lexer::kTokenEof :
return;
return EXIT_SUCCESS;
case ';' : // ignore top-level semicolons.
std::cout << "Identifier: "
<< parser->getLexer()->getIdentifier() << std::endl;
@ -31,19 +43,21 @@ static void mainLoop()
parser->getNextToken();
break;
case obelisk::Lexer::kTokenFact :
// parser->handleFactFunction();
parser->handleFact(kb);
break;
case obelisk::Lexer::kTokenRule :
// parser->handleRuleFunction();
// parser->handleRule();
break;
case obelisk::Lexer::kTokenAction :
// parser->handleActionFunction();
// parser->handleAction();
break;
default :
parser->getNextToken();
break;
}
}
return EXIT_SUCCESS;
}
int main(int argc, char** argv)
@ -79,28 +93,5 @@ int main(int argc, char** argv)
return EXIT_FAILURE;
}*/
try
{
auto kb = std::unique_ptr<obelisk::KnowledgeBase> {
new obelisk::KnowledgeBase("cromer.kb")};
/*std::vector<std::string> leftObjects;
std::vector<std::string> rightObjects;
leftObjects.push_back("chris");
leftObjects.push_back("martin");
rightObjects.push_back("happy");
rightObjects.push_back("smart");
kb->addFacts("is", leftObjects, rightObjects);*/
}
catch (obelisk::KnowledgeBaseException& exception)
{
std::cout << exception.what() << std::endl;
return EXIT_FAILURE;
}
mainLoop();
return EXIT_SUCCESS;
return mainLoop();
}

2
src/obelisk.h
View File

@ -1 +1 @@
static void mainLoop();
static int mainLoop();

67
src/parser.cpp
View File

@ -1,6 +1,9 @@
#include "ast/call_expression_ast.h"
#include "ast/number_expression_ast.h"
#include "ast/variable_expression_ast.h"
#include "models/entity.h"
#include "models/fact.h"
#include "models/verb.h"
#include "parser.h"
#include <memory>
@ -212,17 +215,19 @@ std::unique_ptr<obelisk::PrototypeAST> obelisk::Parser::parseExtern()
return parsePrototype();
}
//action("martin" is "dangerous" then "avoid" or "ignore");
std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parseAction()
{
}
//rule("chris" and "martin" is "happy" if "chris" plays "playstation");
std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parseRule()
{
}
// fact("chris cromer" and "martin" and "Isabella" can "program" and "speak english");
// fact("" and "martin")
std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parseFact()
void obelisk::Parser::parseFact(std::vector<obelisk::Fact>& facts)
{
std::stack<char> syntax;
@ -329,18 +334,68 @@ std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parseFact()
}
}
return nullptr;
for (auto& leftEntity : leftEntities)
{
for (auto& rightEntity : rightEntities)
{
facts.push_back(obelisk::Fact(obelisk::Entity(leftEntity),
obelisk::Entity(rightEntity),
obelisk::Verb(verb)));
}
}
}
void obelisk::Parser::handleAction()
void obelisk::Parser::handleAction(std::unique_ptr<obelisk::KnowledgeBase>& kb)
{
}
void obelisk::Parser::handleRule()
void obelisk::Parser::handleRule(std::unique_ptr<obelisk::KnowledgeBase>& kb)
{
}
void obelisk::Parser::handleFact()
void obelisk::Parser::handleFact(std::unique_ptr<obelisk::KnowledgeBase>& kb)
{
parseFact();
std::vector<obelisk::Fact> facts;
parseFact(facts);
int verbId = 0;
for (auto& fact : facts)
{
// TODO: doesn't work after first insert
std::vector<obelisk::Entity> entities {fact.getLeftEntity()};
kb->addEntities(entities);
fact.setLeftEntity(entities.front());
entities = {fact.getRightEntity()};
kb->addEntities(entities);
fact.setRightEntity(entities.front());
if (verbId == 0)
{
std::vector<obelisk::Verb> verbs = {fact.getVerb()};
kb->addVerbs(verbs);
if (verbs.front().getId() != 0)
{
// The verb was inserted
fact.setVerb(verbs.front());
verbId = fact.getVerb().getId();
}
else
{
// The verb is already already in the knowledge base
// TODO: SELECT the verb and save it into verbId
}
}
else
{
fact.getVerb().setId(verbId);
}
// INSERT INTO fact
std::vector<obelisk::Fact> facts {fact};
kb->addFacts(facts);
fact = facts.front();
}
}
// fact("chris cromer" and "martin" and "Isabella" can "program" and "speak english");

10
src/parser.h
View File

@ -4,7 +4,9 @@
#include "ast/expression_ast.h"
#include "ast/function_ast.h"
#include "ast/prototype_ast.h"
#include "knowledge_base.h"
#include "lexer.h"
#include "models/fact.h"
#include <memory>
@ -34,7 +36,7 @@ namespace obelisk
std::unique_ptr<obelisk::PrototypeAST> parseExtern();
std::unique_ptr<obelisk::ExpressionAST> parseAction();
std::unique_ptr<obelisk::ExpressionAST> parseRule();
std::unique_ptr<obelisk::ExpressionAST> parseFact();
void parseFact(std::vector<obelisk::Fact>& facts);
public:
Parser();
@ -48,9 +50,9 @@ namespace obelisk
void handleDefinition();
void handleExtern();
void handleTopLevelExpression();
void handleAction();
void handleRule();
void handleFact();
void handleAction(std::unique_ptr<obelisk::KnowledgeBase>& kb);
void handleRule(std::unique_ptr<obelisk::KnowledgeBase>& kb);
void handleFact(std::unique_ptr<obelisk::KnowledgeBase>& kb);
};
class ParserException : public std::exception