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Merge pull request 'feature/knowledge_base' (#3) from feature/knowledge_base into develop

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Reviewed-on: #3
This commit is contained in:
Chris Cromer 2022-11-09 16:52:22 -03:00
commit ecdf72fda1
23 changed files with 706 additions and 121 deletions
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1
.gitignore vendored
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@ -1,3 +1,4 @@
*.code-workspace
.vscode
builddir
*.kb

48
compile_commands.json
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@ -1,20 +1,62 @@
[
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "clang++ -Isrc/obelisk.p -Isrc -I../src -fcolor-diagnostics -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O0 -g -MD -MQ src/obelisk.p/obelisk.cpp.o -MF src/obelisk.p/obelisk.cpp.o.d -o src/obelisk.p/obelisk.cpp.o -c ../src/obelisk.cpp",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/obelisk.cpp.o -MF src/obelisk.p/obelisk.cpp.o.d -o src/obelisk.p/obelisk.cpp.o -c ../src/obelisk.cpp",
"file": "../src/obelisk.cpp",
"output": "src/obelisk.p/obelisk.cpp.o"
},
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "clang++ -Isrc/obelisk.p -Isrc -I../src -fcolor-diagnostics -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O0 -g -MD -MQ src/obelisk.p/lexer.cpp.o -MF src/obelisk.p/lexer.cpp.o.d -o src/obelisk.p/lexer.cpp.o -c ../src/lexer.cpp",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/lexer.cpp.o -MF src/obelisk.p/lexer.cpp.o.d -o src/obelisk.p/lexer.cpp.o -c ../src/lexer.cpp",
"file": "../src/lexer.cpp",
"output": "src/obelisk.p/lexer.cpp.o"
},
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "clang++ -Isrc/obelisk.p -Isrc -I../src -fcolor-diagnostics -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -O0 -g -MD -MQ src/obelisk.p/parser.cpp.o -MF src/obelisk.p/parser.cpp.o.d -o src/obelisk.p/parser.cpp.o -c ../src/parser.cpp",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/parser.cpp.o -MF src/obelisk.p/parser.cpp.o.d -o src/obelisk.p/parser.cpp.o -c ../src/parser.cpp",
"file": "../src/parser.cpp",
"output": "src/obelisk.p/parser.cpp.o"
},
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/knowledge_base.cpp.o -MF src/obelisk.p/knowledge_base.cpp.o.d -o src/obelisk.p/knowledge_base.cpp.o -c ../src/knowledge_base.cpp",
"file": "../src/knowledge_base.cpp",
"output": "src/obelisk.p/knowledge_base.cpp.o"
},
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/models_action.cpp.o -MF src/obelisk.p/models_action.cpp.o.d -o src/obelisk.p/models_action.cpp.o -c ../src/models/action.cpp",
"file": "../src/models/action.cpp",
"output": "src/obelisk.p/models_action.cpp.o"
},
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/models_entity.cpp.o -MF src/obelisk.p/models_entity.cpp.o.d -o src/obelisk.p/models_entity.cpp.o -c ../src/models/entity.cpp",
"file": "../src/models/entity.cpp",
"output": "src/obelisk.p/models_entity.cpp.o"
},
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/models_fact.cpp.o -MF src/obelisk.p/models_fact.cpp.o.d -o src/obelisk.p/models_fact.cpp.o -c ../src/models/fact.cpp",
"file": "../src/models/fact.cpp",
"output": "src/obelisk.p/models_fact.cpp.o"
},
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/models_rule.cpp.o -MF src/obelisk.p/models_rule.cpp.o.d -o src/obelisk.p/models_rule.cpp.o -c ../src/models/rule.cpp",
"file": "../src/models/rule.cpp",
"output": "src/obelisk.p/models_rule.cpp.o"
},
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/models_suggest_action.cpp.o -MF src/obelisk.p/models_suggest_action.cpp.o.d -o src/obelisk.p/models_suggest_action.cpp.o -c ../src/models/suggest_action.cpp",
"file": "../src/models/suggest_action.cpp",
"output": "src/obelisk.p/models_suggest_action.cpp.o"
},
{
"directory": "/mnt/data/ubb/courses/proyecto-titulo/obelisk/builddir",
"command": "c++ -Isrc/obelisk.p -Isrc -I../src -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wpedantic -std=c++17 -g -MD -MQ src/obelisk.p/models_verb.cpp.o -MF src/obelisk.p/models_verb.cpp.o.d -o src/obelisk.p/models_verb.cpp.o -c ../src/models/verb.cpp",
"file": "../src/models/verb.cpp",
"output": "src/obelisk.p/models_verb.cpp.o"
}
]

65
src/knowledge_base.cpp
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@ -1,10 +1,14 @@
#include "knowledge_base.h"
#include "models/action.h"
#include "models/entity.h"
#include "models/fact.h"
#include "models/rule.h"
#include "models/suggest_action.h"
#include "models/verb.h"
#include <filesystem>
#include <iostream>
const std::string obelisk::Sql::create_facts_table
= "CREATE TABLE fact (id INT PRIMARY KEY NOT NULL);";
obelisk::KnowledgeBase::KnowledgeBase(const char* filename)
{
KnowledgeBase(filename, DEFAULT_FLAGS);
@ -15,28 +19,51 @@ obelisk::KnowledgeBase::KnowledgeBase(const char* filename, int flags)
filename_ = std::move(filename);
flags_ = std::move(flags);
std::filesystem::path path {filename};
auto dbExists = std::filesystem::exists(path);
auto result = sqlite3_open_v2(filename, &dbConnection_, flags, NULL);
if (result != SQLITE_OK)
{
logSqliteError(result);
}
char* tmp;
result = sqlite3_exec(dbConnection_,
obelisk::Sql::create_facts_table.c_str(),
NULL,
NULL,
&tmp);
if (tmp)
if (!dbExists)
{
std::string errmsg(tmp);
throw obelisk::KnowledgeBaseException(errmsg);
createTable(obelisk::Action::createTable);
createTable(obelisk::Entity::createTable);
createTable(obelisk::Verb::createTable);
createTable(obelisk::Fact::createTable);
createTable(obelisk::Rule::createTable);
createTable(obelisk::SuggestAction::createTable);
}
}
obelisk::KnowledgeBase::~KnowledgeBase()
{
sqlite3_close_v2(dbConnection_);
if (dbConnection_)
{
sqlite3_close_v2(dbConnection_);
}
}
void obelisk::KnowledgeBase::createTable(std::function<const char*()> function)
{
char* tmp;
auto result = sqlite3_exec(dbConnection_, function(), NULL, NULL, &tmp);
if (result != SQLITE_OK)
{
logSqliteError(result);
if (tmp)
{
std::string errmsg(tmp);
throw obelisk::KnowledgeBaseException(errmsg);
}
else
{
throw obelisk::KnowledgeBaseException();
}
}
}
// TODO: log files?
@ -45,15 +72,15 @@ void obelisk::KnowledgeBase::logSqliteError(int result)
std::cout << sqlite3_errstr(result) << std::endl;
}
void obelisk::KnowledgeBase::getFloat(float* result1,
float* result2,
void obelisk::KnowledgeBase::getFloat(float& result1,
float& result2,
double var)
{
*result1 = (float) var;
*result2 = (float) (var - (double) *result1);
result1 = (float) var;
result2 = (float) (var - (double) result1);
}
void obelisk::KnowledgeBase::getDouble(double* result, float var1, float var2)
void obelisk::KnowledgeBase::getDouble(double& result, float var1, float var2)
{
*result = (double) ((double) var2 + (double) var1);
result = (double) ((double) var2 + (double) var1);
}

24
src/knowledge_base.h
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@ -3,6 +3,7 @@
#include <sqlite3.h>
#include <functional>
#include <iostream>
#include <string>
@ -14,10 +15,12 @@ namespace obelisk
const int DEFAULT_FLAGS
= SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
const char* filename_;
sqlite3* dbConnection_;
sqlite3* dbConnection_ = nullptr;
int flags_;
void logSqliteError(int result);
void createTable(std::function<const char*()> function);
public:
KnowledgeBase(const char* filename);
KnowledgeBase(const char* filename, int flags);
@ -30,23 +33,22 @@ namespace obelisk
int addRules(std::string verb, T leftEntities, U rightEntities);
template<typename T, typename U> int addActions();
void getDouble(double* result, float var1, float var2);
void getFloat(float* result1, float* result2, double var);
};
class Sql
{
public:
static const std::string create_facts_table;
void getDouble(double& result, float var1, float var2);
void getFloat(float& result1, float& result2, double var);
};
class KnowledgeBaseException : public std::exception
{
private:
std::string errorMessage_;
const std::string errorMessage_;
public:
KnowledgeBaseException(std::string errorMessage) :
KnowledgeBaseException() :
errorMessage_("an unknown error ocurred")
{
}
KnowledgeBaseException(const std::string& errorMessage) :
errorMessage_(errorMessage)
{
}

21
src/lexer.cpp
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@ -8,7 +8,7 @@ int obelisk::Lexer::getToken()
while (isspace(lastChar))
{
lastChar = getchar();
lastChar = std::getc(stdin);
}
if (isalpha(lastChar))
@ -20,6 +20,21 @@ int obelisk::Lexer::getToken()
appendIdentifier(lastChar);
}
if (getIdentifier() == "fact")
{
return Token::kTokenFact;
}
if (getIdentifier() == "rule")
{
return Token::kTokenFact;
}
if (getIdentifier() == "action")
{
return Token::kTokenAction;
}
if (getIdentifier() == "def")
{
return Token::kTokenDef;
@ -90,12 +105,12 @@ void obelisk::Lexer::commentLine(int* lastChar)
while (*lastChar != EOF && *lastChar != '\n' && *lastChar != '\r');
}
std::string obelisk::Lexer::getIdentifier()
const std::string& obelisk::Lexer::getIdentifier()
{
return identifier_;
}
void obelisk::Lexer::setIdentifier(const std::string identifier)
void obelisk::Lexer::setIdentifier(const std::string& identifier)
{
identifier_ = identifier;
}

14
src/lexer.h
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@ -3,16 +3,16 @@
#include <string>
// TODO: add error handling
namespace obelisk
{
class Lexer
{
private:
std::string identifier_;
double numberValue_;
void setIdentifier(const std::string identifier);
void setIdentifier(const std::string& identifier);
void eraseIdentifier();
void appendIdentifier(int lastChar);
void setNumberValue(double numberValue);
@ -21,12 +21,12 @@ namespace obelisk
public:
enum Token
{
kTokenInvalid = -1,
kTokenEof = -2,
kTokenEof = -1,
// commands
kTokenFact = -3,
kTokenRule = -4,
kTokenFact = -2,
kTokenRule = -3,
kTokenAction = -4,
kTokenDef = -5,
kTokenExtern = -6,
@ -38,7 +38,7 @@ namespace obelisk
int getToken();
std::string getIdentifier();
const std::string& getIdentifier();
double getNumberValue();
};
} // namespace obelisk

3
src/meson.build
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@ -10,6 +10,9 @@ sqlite3 = dependency('sqlite3')
subdir('ast')
obelisk_sources += obelisk_ast_sources
subdir('models')
obelisk_sources += obelisk_model_sources
executable('obelisk',
obelisk_sources,
dependencies : [sqlite3],

32
src/models/action.cpp Normal file
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@ -0,0 +1,32 @@
#include "models/action.h"
const char* obelisk::Action::createTable()
{
return R"(
CREATE TABLE "action" (
"id" INTEGER NOT NULL UNIQUE,
"name" TEXT NOT NULL CHECK(trim(name) != '') UNIQUE,
PRIMARY KEY("id" AUTOINCREMENT)
);
)";
}
int obelisk::Action::getId()
{
return id_;
}
void obelisk::Action::setId(int id)
{
id_ = id;
}
std::string obelisk::Action::getName()
{
return name_;
}
void obelisk::Action::setName(std::string name)
{
name_ = name;
}

49
src/models/action.h Normal file
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@ -0,0 +1,49 @@
#ifndef OBELISK_MODELS_ACTION_H
#define OBELISK_MODELS_ACTION_H
#include <string>
namespace obelisk
{
class Action
{
private:
int id_;
std::string name_;
public:
Action() :
id_(0),
name_("")
{
}
Action(int id) :
id_(id),
name_("")
{
}
Action(std::string name) :
id_(0),
name_(name)
{
}
Action(int id, std::string name) :
id_(id),
name_(name)
{
}
static const char* createTable();
int getId();
void setId(int id);
std::string getName();
void setName(std::string name);
};
} // namespace obelisk
#endif

16
src/models/entity.cpp
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@ -1,12 +1,14 @@
#include "models/entity.h"
obelisk::Entity::Entity()
const char* obelisk::Entity::createTable()
{
}
obelisk::Entity::Entity(std::string name)
{
name = name;
return R"(
CREATE TABLE "entity" (
"id" INTEGER NOT NULL UNIQUE,
"name" TEXT NOT NULL CHECK(trim(name) != '') UNIQUE,
PRIMARY KEY("id" AUTOINCREMENT)
);
)";
}
int obelisk::Entity::getId()
@ -26,5 +28,5 @@ std::string obelisk::Entity::getName()
void obelisk::Entity::setName(std::string name)
{
name_ = name_;
name_ = name;
}

27
src/models/entity.h
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@ -12,8 +12,31 @@ namespace obelisk
std::string name_;
public:
Entity();
Entity(std::string name);
Entity() :
id_(0),
name_("")
{
}
Entity(int id) :
id_(id),
name_("")
{
}
Entity(std::string name) :
id_(0),
name_(name)
{
}
Entity(int id, std::string name) :
id_(id),
name_(name)
{
}
static const char* createTable();
int getId();
void setId(int id);

57
src/models/fact.cpp Normal file
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@ -0,0 +1,57 @@
#include "models/fact.h"
const char* obelisk::Fact::createTable()
{
return R"(
CREATE TABLE "fact" (
"id" INTEGER NOT NULL UNIQUE,
"left_entity" INTEGER NOT NULL,
"right_entity" INTEGER NOT NULL,
"verb" INTEGER NOT NULL,
PRIMARY KEY("id" AUTOINCREMENT),
FOREIGN KEY("verb") REFERENCES "verb"("id") ON DELETE RESTRICT,
FOREIGN KEY("right_entity") REFERENCES "entity"("id") ON DELETE RESTRICT,
FOREIGN KEY("left_entity") REFERENCES "entity"("id") ON DELETE RESTRICT
);
)";
}
int obelisk::Fact::getId()
{
return id_;
}
void obelisk::Fact::setId(int id)
{
id_ = id;
}
obelisk::Entity obelisk::Fact::getLeftEntity()
{
return leftEntity_;
}
void obelisk::Fact::setLeftEntity(obelisk::Entity leftEntity)
{
leftEntity_ = leftEntity;
}
obelisk::Entity obelisk::Fact::getRightEntity()
{
return rightEntity_;
}
void obelisk::Fact::setRightEntity(obelisk::Entity rightEntity)
{
rightEntity_ = rightEntity;
}
obelisk::Verb obelisk::Fact::getVerb()
{
return verb_;
}
void obelisk::Fact::setVerb(obelisk::Verb verb)
{
verb_ = verb;
}

73
src/models/fact.h Normal file
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@ -0,0 +1,73 @@
#ifndef OBELISK_MODELS_FACT_H
#define OBELISK_MODELS_FACT_H
#include "models/entity.h"
#include "models/verb.h"
#include <string>
namespace obelisk
{
class Fact
{
private:
int id_;
obelisk::Entity leftEntity_;
obelisk::Entity rightEntity_;
obelisk::Verb verb_;
public:
Fact() :
id_(0),
leftEntity_(),
rightEntity_(),
verb_()
{
}
Fact(int id) :
id_(id),
leftEntity_(),
rightEntity_(),
verb_()
{
}
Fact(obelisk::Entity leftEntity,
obelisk::Entity rightEntity,
obelisk::Verb verb) :
id_(0),
leftEntity_(leftEntity),
rightEntity_(rightEntity),
verb_(verb)
{
}
Fact(int id,
obelisk::Entity leftEntity,
obelisk::Entity rightEntity,
obelisk::Verb verb) :
id_(id),
leftEntity_(leftEntity),
rightEntity_(rightEntity),
verb_(verb)
{
}
static const char* createTable();
int getId();
void setId(int id);
obelisk::Entity getLeftEntity();
void setLeftEntity(obelisk::Entity leftEntity);
obelisk::Entity getRightEntity();
void setRightEntity(obelisk::Entity leftEntity);
obelisk::Verb getVerb();
void setVerb(obelisk::Verb verb);
};
} // namespace obelisk
#endif

8
src/models/meson.build Normal file
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@ -0,0 +1,8 @@
obelisk_model_sources = files(
'action.cpp',
'entity.cpp',
'fact.cpp',
'rule.cpp',
'suggest_action.cpp',
'verb.cpp'
)

45
src/models/rule.cpp Normal file
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@ -0,0 +1,45 @@
#include "models/rule.h"
const char* obelisk::Rule::createTable()
{
return R"(
CREATE TABLE "rule" (
"id" INTEGER NOT NULL UNIQUE,
"fact" INTEGER NOT NULL,
"reason" INTEGER NOT NULL CHECK("reason" != "fact"),
PRIMARY KEY("id" AUTOINCREMENT),
FOREIGN KEY("fact") REFERENCES "fact"("id") ON DELETE RESTRICT,
FOREIGN KEY("reason") REFERENCES "fact"("id") ON DELETE RESTRICT
);
)";
}
int obelisk::Rule::getId()
{
return id_;
}
void obelisk::Rule::setId(int id)
{
id_ = id;
}
obelisk::Fact obelisk::Rule::getFact()
{
return fact_;
}
void obelisk::Rule::setFact(obelisk::Fact fact)
{
fact_ = fact;
}
obelisk::Fact obelisk::Rule::getReason()
{
return reason_;
}
void obelisk::Rule::setReason(obelisk::Fact reason)
{
reason_ = reason;
}

59
src/models/rule.h Normal file
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@ -0,0 +1,59 @@
#ifndef OBELISK_MODELS_RULE_H
#define OBELISK_MODELS_RULE_H
#include "models/fact.h"
#include <string>
namespace obelisk
{
class Rule
{
private:
int id_;
obelisk::Fact fact_;
obelisk::Fact reason_;
public:
Rule() :
id_(0),
fact_(),
reason_()
{
}
Rule(int id) :
id_(id),
fact_(),
reason_()
{
}
Rule(obelisk::Fact fact, obelisk::Fact reason) :
id_(0),
fact_(fact),
reason_(reason)
{
}
Rule(int id, obelisk::Fact fact, obelisk::Fact reason) :
id_(id),
fact_(fact),
reason_(reason)
{
}
static const char* createTable();
int getId();
void setId(int id);
obelisk::Fact getFact();
void setFact(obelisk::Fact fact);
obelisk::Fact getReason();
void setReason(obelisk::Fact reason);
};
} // namespace obelisk
#endif

57
src/models/suggest_action.cpp Normal file
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@ -0,0 +1,57 @@
#include "models/suggest_action.h"
const char* obelisk::SuggestAction::createTable()
{
return R"(
CREATE TABLE "suggest_action" (
"id" INTEGER NOT NULL UNIQUE,
"fact" INTEGER NOT NULL,
"true_action" INTEGER NOT NULL,
"false_action" INTEGER NOT NULL,
PRIMARY KEY("id" AUTOINCREMENT),
FOREIGN KEY("fact") REFERENCES "fact"("id") ON DELETE RESTRICT,
FOREIGN KEY("true_action") REFERENCES "action"("id") ON DELETE RESTRICT,
FOREIGN KEY("false_action") REFERENCES "action"("id") ON DELETE RESTRICT
);
)";
}
int obelisk::SuggestAction::getId()
{
return id_;
}
void obelisk::SuggestAction::setId(int id)
{
id_ = id;
}
obelisk::Fact obelisk::SuggestAction::getFact()
{
return fact_;
}
void obelisk::SuggestAction::setFact(obelisk::Fact fact)
{
fact_ = fact;
}
obelisk::Action obelisk::SuggestAction::getTrueAction()
{
return trueAction_;
}
void obelisk::SuggestAction::setTrueAction(obelisk::Action trueAction)
{
trueAction_ = trueAction;
}
obelisk::Action obelisk::SuggestAction::getFalseAction()
{
return falseAction_;
}
void obelisk::SuggestAction::setFalseAction(obelisk::Action falseAction)
{
falseAction_ = falseAction;
}

73
src/models/suggest_action.h Normal file
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@ -0,0 +1,73 @@
#ifndef OBELISK_MODELS_SUGGEST_ACTION_H
#define OBELISK_MODELS_SUGGEST_ACTION_H
#include "models/action.h"
#include "models/fact.h"
#include <string>
namespace obelisk
{
class SuggestAction
{
private:
int id_;
obelisk::Fact fact_;
obelisk::Action trueAction_;
obelisk::Action falseAction_;
public:
SuggestAction() :
id_(0),
fact_(),
trueAction_(),
falseAction_()
{
}
SuggestAction(int id) :
id_(id),
fact_(),
trueAction_(),
falseAction_()
{
}
SuggestAction(obelisk::Fact fact,
obelisk::Action trueAction,
obelisk::Action falseAction) :
id_(0),
fact_(fact),
trueAction_(trueAction),
falseAction_(falseAction)
{
}
SuggestAction(int id,
obelisk::Fact fact,
obelisk::Action trueAction,
obelisk::Action falseAction) :
id_(id),
fact_(fact),
trueAction_(trueAction),
falseAction_(falseAction)
{
}
static const char* createTable();
int getId();
void setId(int id);
obelisk::Fact getFact();
void setFact(obelisk::Fact fact);
obelisk::Action getTrueAction();
void setTrueAction(obelisk::Action trueAction);
obelisk::Action getFalseAction();
void setFalseAction(obelisk::Action falseAction);
};
} // namespace obelisk
#endif

28
src/models/verb.cpp
View File

@ -1,18 +1,14 @@
#include "models/verb.h"
obelisk::Verb::Verb()
const char* obelisk::Verb::createTable()
{
}
obelisk::Verb::Verb(std::string verb)
{
verb_ = verb;
}
obelisk::Verb::Verb(int id, std::string verb)
{
id_ = id;
verb_ = verb;
return R"(
CREATE TABLE "verb" (
"id" INTEGER NOT NULL UNIQUE,
"name" TEXT NOT NULL CHECK(trim(name) != "") UNIQUE,
PRIMARY KEY("id" AUTOINCREMENT)
);
)";
}
int obelisk::Verb::getId()
@ -25,12 +21,12 @@ void obelisk::Verb::setId(int id)
id_ = id;
}
std::string obelisk::Verb::getVerb()
std::string obelisk::Verb::getName()
{
return verb_;
return name_;
}
void obelisk::Verb::setVerb(std::string verb)
void obelisk::Verb::setName(std::string name)
{
verb_ = verb;
name_ = name;
}

34
src/models/verb.h
View File

@ -9,18 +9,40 @@ namespace obelisk
{
private:
int id_;
std::string verb_;
std::string name_;
public:
Verb();
Verb(std::string verb);
Verb(int id, std::string verb);
Verb() :
id_(0),
name_("")
{
}
Verb(int id) :
id_(id),
name_("")
{
}
Verb(std::string name) :
id_(0),
name_(name)
{
}
Verb(int id, std::string name) :
id_(id),
name_(name)
{
}
static const char* createTable();
int getId();
void setId(int id);
std::string getVerb();
void setVerb(std::string verb);
std::string getName();
void setName(std::string name);
};
} // namespace obelisk

62
src/obelisk.cpp
View File

@ -6,10 +6,11 @@
#include <iomanip>
#include <iostream>
#include <limits>
#include <memory>
static void mainLoop()
{
obelisk::Parser* parser = new obelisk::Parser();
auto parser = std::unique_ptr<obelisk::Parser> {new obelisk::Parser()};
// Prime the first token.
fprintf(stderr, "ready> ");
@ -22,10 +23,6 @@ static void mainLoop()
{
case obelisk::Lexer::kTokenEof :
return;
case obelisk::Lexer::kTokenInvalid :
std::cerr << "Invalid token!\n";
parser->getNextToken();
return;
case ';' : // ignore top-level semicolons.
std::cout << "Identifier: "
<< parser->getLexer()->getIdentifier() << std::endl;
@ -33,6 +30,15 @@ static void mainLoop()
<< std::endl;
parser->getNextToken();
break;
case obelisk::Lexer::kTokenFact :
// parser->handleFactFunction();
break;
case obelisk::Lexer::kTokenRule :
// parser->handleRuleFunction();
break;
case obelisk::Lexer::kTokenAction :
// parser->handleActionFunction();
break;
default :
parser->getNextToken();
break;
@ -47,9 +53,36 @@ int main(int argc, char** argv)
std::cout << argv[i] << std::endl;
}
// This can be used to store a double as 2 floats in the database, then restore it back to a double.
// Inspired by Godot's double precision on the GPU to render large worlds.
/*try
{
float first;
float second;
double var = 0.123456789012345;
obelisk::KnowledgeBase* kb = new obelisk::KnowledgeBase("cromer.kb");
kb->getFloat(first, second, var);
std::cout << std::setprecision(std::numeric_limits<double>::digits10)
<< "Double: " << var << std::endl
<< "First: " << first << std::endl
<< "Second: " << second << std::endl;
var = 0.0;
kb->getDouble(var, first, second);
std::cout << std::setprecision(std::numeric_limits<double>::digits10)
<< "Double: " << var << std::endl
<< "First: " << first << std::endl
<< "Second: " << second << std::endl;
}
catch (obelisk::KnowledgeBaseException& exception)
{
return EXIT_FAILURE;
}*/
try
{
obelisk::KnowledgeBase* kb = new obelisk::KnowledgeBase("cromer.kb");
auto kb = std::unique_ptr<obelisk::KnowledgeBase> {
new obelisk::KnowledgeBase("cromer.kb")};
/*std::vector<std::string> leftObjects;
std::vector<std::string> rightObjects;
@ -67,23 +100,6 @@ int main(int argc, char** argv)
return EXIT_FAILURE;
}
// This can be used to store a double as 2 floats in the database, then restore it back to a double.
// Inspired by Godot's double precision on the GPU to render large worlds.
/*float first;
float second;
double var = 0.123456789012345;
kb->getFloat(&first, &second, var);
std::cout << std::setprecision(std::numeric_limits<double>::digits10)
<< "Double: " << var << std::endl
<< "First: " << first << std::endl
<< "Second: " << second << std::endl;
var = 0.0;
kb->getDouble(&var, first, second);
std::cout << std::setprecision(std::numeric_limits<double>::digits10)
<< "Double: " << var << std::endl
<< "First: " << first << std::endl
<< "Second: " << second << std::endl;*/
mainLoop();
return EXIT_SUCCESS;

25
src/parser.cpp
View File

@ -3,29 +3,14 @@
#include "ast/variable_expression_ast.h"
#include "parser.h"
#include <memory>
obelisk::Parser::Parser()
{
lexer_ = new obelisk::Lexer();
lexer_ = std::unique_ptr<obelisk::Lexer> {new obelisk::Lexer()};
}
obelisk::Parser::Parser(obelisk::Lexer* lexer)
{
if (lexer != nullptr)
{
lexer_ = lexer;
}
else
{
Parser();
}
}
obelisk::Parser::~Parser()
{
delete lexer_;
}
obelisk::Lexer* obelisk::Parser::getLexer()
std::unique_ptr<obelisk::Lexer>& obelisk::Parser::getLexer()
{
return lexer_;
}
@ -91,7 +76,7 @@ std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parseNumberExpression()
auto result = std::make_unique<obelisk::NumberExpressionAST>(
getLexer()->getNumberValue());
getNextToken();
return std::move(result);
return result;
}
std::unique_ptr<obelisk::ExpressionAST>

6
src/parser.h
View File

@ -13,7 +13,7 @@ namespace obelisk
class Parser
{
private:
obelisk::Lexer* lexer_;
std::unique_ptr<obelisk::Lexer> lexer_;
int currentToken_;
void setCurrentToken(int currentToken);
@ -35,10 +35,8 @@ namespace obelisk
public:
Parser();
Parser(obelisk::Lexer* lexer);
~Parser();
obelisk::Lexer* getLexer();
std::unique_ptr<obelisk::Lexer>& getLexer();
int getCurrentToken();