.clang-format

@@ -63,7 +63,7 @@ BreakBeforeTernaryOperators: true
 BreakConstructorInitializers: AfterColon
 BreakInheritanceList: AfterColon
 BreakStringLiterals: false
-ColumnLimit: 120
+ColumnLimit: 80
 CommentPragmas: "^ IWYU pragma:"
 CompactNamespaces: false
 ConstructorInitializerAllOnOneLineOrOnePerLine: true
@@ -167,7 +167,7 @@ RawStringFormats:
       - PROTO
     CanonicalDelimiter: pb
 ReferenceAlignment: Left
-ReflowComments: false
+ReflowComments: true
 RemoveBracesLLVM: false
 SeparateDefinitionBlocks: Always
 ShortNamespaceLines: 0

src/ast/call_expression_ast.h

@@ -31,7 +31,8 @@ namespace obelisk
             /**
              * @brief Get the callee.
              *
-             * @return std::string Returns the name of the function being called.
+             * @return std::string Returns the name of the function being
+             * called.
              */
             std::string getCallee();
 
@@ -45,7 +46,8 @@ namespace obelisk
             /**
              * @brief Get the arguments being used by the function.
              *
-             * @return std::vector<std::unique_ptr<ExpressionAST>> Returns an AST expression containing the args.
+             * @return std::vector<std::unique_ptr<ExpressionAST>> Returns an
+             * AST expression containing the args.
              */
             std::vector<std::unique_ptr<ExpressionAST>> getArgs();
 
@@ -63,7 +65,8 @@ namespace obelisk
              * @param[in] callee The function to call.
              * @param[in] args The args to pass into the function.
              */
-            CallExpressionAST(const std::string &callee, std::vector<std::unique_ptr<ExpressionAST>> args) :
+            CallExpressionAST(const std::string &callee,
+                std::vector<std::unique_ptr<ExpressionAST>> args) :
                 callee_(callee),
                 args_(std::move(args))
             {

src/ast/error.h

@@ -11,7 +11,8 @@ namespace obelisk
      * @brief Log an AST expression error.
      *
      * @param[in] str The error message.
-     * @return std::unique_ptr<ExpressionAST> Returns the AST expression that caused the error.
+     * @return std::unique_ptr<ExpressionAST> Returns the AST expression that
+     * caused the error.
      */
     std::unique_ptr<ExpressionAST> LogError(const char *str);
 

src/ast/expression_ast.h

@@ -21,7 +21,8 @@ namespace obelisk
             /**
              * @brief Generate LLVM IR code based on the AST expression.
              *
-             * @return llvm::Value* Returns the LLVM code value from the expression.
+             * @return llvm::Value* Returns the LLVM code value from the
+             * expression.
              */
             virtual llvm::Value *codegen() = 0;
     };

src/ast/function_ast.cpp

@@ -17,7 +17,8 @@ llvm::Function *obelisk::FunctionAST::codegen()
         return nullptr;
     }
 
-    llvm::BasicBlock *bB = llvm::BasicBlock::Create(*TheContext, "entry", theFunction);
+    llvm::BasicBlock *bB
+        = llvm::BasicBlock::Create(*TheContext, "entry", theFunction);
     Builder->SetInsertPoint(bB);
 
     NamedValues.clear();

src/ast/function_ast.h

@@ -48,7 +48,8 @@ namespace obelisk
              * @param[in] prototype The prototype of the function.
              * @param[in] body The body of the function.
              */
-            FunctionAST(std::unique_ptr<PrototypeAST> prototype, std::unique_ptr<ExpressionAST> body) :
+            FunctionAST(std::unique_ptr<PrototypeAST> prototype,
+                std::unique_ptr<ExpressionAST> body) :
                 prototype_(std::move(prototype)),
                 body_(std::move(body))
             {

src/ast/prototype_ast.cpp

@@ -3,10 +3,17 @@
 
 llvm::Function *obelisk::PrototypeAST::codegen()
 {
-    std::vector<llvm::Type *> doubles(args_.size(), llvm::Type::getDoubleTy(*TheContext));
+    std::vector<llvm::Type *> doubles(args_.size(),
-    llvm::FunctionType *FT = llvm::FunctionType::get(llvm::Type::getDoubleTy(*TheContext), doubles, false);
+        llvm::Type::getDoubleTy(*TheContext));
+    llvm::FunctionType *FT
+        = llvm::FunctionType::get(llvm::Type::getDoubleTy(*TheContext),
+            doubles,
+            false);
 
-    llvm::Function *F = llvm::Function::Create(FT, llvm::Function::ExternalLinkage, name_, obelisk::TheModule.get());
+    llvm::Function *F = llvm::Function::Create(FT,
+        llvm::Function::ExternalLinkage,
+        name_,
+        obelisk::TheModule.get());
 
     unsigned idx = 0;
     for (auto &arg : F->args())

src/ast/prototype_ast.h

@@ -54,7 +54,8 @@ namespace obelisk
              * @param[in] name The name of the prototype.
              * @param[in] args The arguments the prototype accepts.
              */
-            PrototypeAST(const std::string& name, std::vector<std::string> args) :
+            PrototypeAST(const std::string& name,
+                std::vector<std::string> args) :
                 name_(name),
                 args_(std::move(args))
             {

src/lexer.cpp

@@ -7,7 +7,8 @@ obelisk::Lexer::Lexer(const std::string& sourceFile)
     fileStream_.open(sourceFile, std::ifstream::in);
     if (!fileStream_)
     {
-        throw obelisk::LexerException("could not open source file " + sourceFile);
+        throw obelisk::LexerException(
+            "could not open source file " + sourceFile);
     }
 }
 

src/lexer.h

@@ -56,19 +56,22 @@ namespace obelisk
             /**
              * @brief Comment the rest of the line.
              *
-             * @param[in] lastChar The char to check to see if it in the end of the line.
+             * @param[in] lastChar The char to check to see if it in the end of
+             * the line.
              */
             void commentLine(int* lastChar);
 
         public:
             /**
-             * @brief These token represent recognized language keywords and language functionality.
+             * @brief These token represent recognized language keywords and
+             * language functionality.
              *
              */
             enum Token
             {
                 /**
-                 * @brief End of file is returned when the source code is finished.
+                 * @brief End of file is returned when the source code is
+                 * finished.
                  *
                  */
                 kTokenEof = -1,
@@ -79,7 +82,8 @@ namespace obelisk
                  */
                 kTokenFact   = -2,
                 /**
-                 * @brief A rule which is a relationship between a new fact a existing fact.
+                 * @brief A rule which is a relationship between a new fact a
+                 * existing fact.
                  *
                  */
                 kTokenRule   = -3,
@@ -133,14 +137,16 @@ namespace obelisk
              * @brief Gets the next token in the source code.
              *
              * @throws LexerException when an invalid token is found.
-             * @return int Returns a Token value or char if no known token was found.
+             * @return int Returns a Token value or char if no known token was
+             * found.
              */
             int getToken();
 
             /**
              * @brief Get the last identifier.
              *
-             * @return const std::string& Returns a string that contains the last found identifier.
+             * @return const std::string& Returns a string that contains the
+             * last found identifier.
              */
             const std::string& getIdentifier();
 
@@ -188,7 +194,8 @@ namespace obelisk
             /**
              * @brief Return the exception's error message.
              *
-             * @return const char* Returns a string containing the error message.
+             * @return const char* Returns a string containing the error
+             * message.
              */
             const char* what() const noexcept
             {

src/lib/include/obelisk.h

@@ -1,13 +1,15 @@
 #include <string>
 
 /**
- * @brief The obelisk namespace contains everything needed to compile obelisk code.
+ * @brief The obelisk namespace contains everything needed to compile obelisk
+ * code.
  *
  */
 namespace obelisk
 {
     /**
-     * @brief The obelisk library provides everything needed to consult the KnowledgeBase.
+     * @brief The obelisk library provides everything needed to consult the
+     * KnowledgeBase.
      *
      */
     class Obelisk

src/lib/knowledge_base.cpp

@@ -44,7 +44,11 @@ obelisk::KnowledgeBase::~KnowledgeBase()
 void obelisk::KnowledgeBase::enableForeignKeys()
 {
     char* errmsg;
-    int result = sqlite3_exec(dbConnection_, "PRAGMA foreign_keys = ON;", NULL, NULL, &errmsg);
+    int result = sqlite3_exec(dbConnection_,
+        "PRAGMA foreign_keys = ON;",
+        NULL,
+        NULL,
+        &errmsg);
     if (result != SQLITE_OK)
     {
         if (errmsg)
@@ -86,7 +90,9 @@ void obelisk::KnowledgeBase::addEntities(std::vector<obelisk::Entity>& entities)
         catch (obelisk::DatabaseConstraintException& exception)
         {
             // ignore unique constraint error
-            if (std::strcmp(exception.what(), "UNIQUE constraint failed: entity.name") != 0)
+            if (std::strcmp(exception.what(),
+                    "UNIQUE constraint failed: entity.name")
+                != 0)
             {
                 throw;
             }
@@ -105,7 +111,9 @@ void obelisk::KnowledgeBase::addVerbs(std::vector<obelisk::Verb>& verbs)
         catch (obelisk::DatabaseConstraintException& exception)
         {
             // ignore unique constraint error
-            if (std::strcmp(exception.what(), "UNIQUE constraint failed: verb.name") != 0)
+            if (std::strcmp(exception.what(),
+                    "UNIQUE constraint failed: verb.name")
+                != 0)
             {
                 throw;
             }
@@ -124,7 +132,9 @@ void obelisk::KnowledgeBase::addActions(std::vector<obelisk::Action>& actions)
         catch (obelisk::DatabaseConstraintException& exception)
         {
             // ignore unique constraint error
-            if (std::strcmp(exception.what(), "UNIQUE constraint failed: action.name") != 0)
+            if (std::strcmp(exception.what(),
+                    "UNIQUE constraint failed: action.name")
+                != 0)
             {
                 throw;
             }
@@ -153,7 +163,8 @@ void obelisk::KnowledgeBase::addFacts(std::vector<obelisk::Fact>& facts)
     }
 }
 
-void obelisk::KnowledgeBase::addSuggestActions(std::vector<obelisk::SuggestAction>& suggestActions)
+void obelisk::KnowledgeBase::addSuggestActions(
+    std::vector<obelisk::SuggestAction>& suggestActions)
 {
     for (auto& suggestAction : suggestActions)
     {
@@ -185,7 +196,9 @@ void obelisk::KnowledgeBase::addRules(std::vector<obelisk::Rule>& rules)
         catch (obelisk::DatabaseConstraintException& exception)
         {
             // ignore unique constraint error
-            if (std::strcmp(exception.what(), "UNIQUE constraint failed: rule.fact, rule.reason") != 0)
+            if (std::strcmp(exception.what(),
+                    "UNIQUE constraint failed: rule.fact, rule.reason")
+                != 0)
             {
                 throw;
             }
@@ -213,7 +226,8 @@ void obelisk::KnowledgeBase::getFact(obelisk::Fact& fact)
     fact.selectById(dbConnection_);
 }
 
-void obelisk::KnowledgeBase::getSuggestAction(obelisk::SuggestAction& suggestAction)
+void obelisk::KnowledgeBase::getSuggestAction(
+    obelisk::SuggestAction& suggestAction)
 {
     suggestAction.selectById(dbConnection_);
 }
@@ -245,7 +259,9 @@ void obelisk::KnowledgeBase::updateIsTrue(obelisk::Fact& fact)
     fact.updateIsTrue(dbConnection_);
 }
 
-void obelisk::KnowledgeBase::getFloat(float& result1, float& result2, double var)
+void obelisk::KnowledgeBase::getFloat(float& result1,
+    float& result2,
+    double var)
 {
     result1 = (float) var;
     result2 = (float) (var - (double) result1);

src/lib/knowledge_base.h

@@ -18,7 +18,8 @@
 namespace obelisk
 {
     /**
-     * @brief The KnowledgeBase class represents a collection of facts, rules, actions, and related language connectors.
+     * @brief The KnowledgeBase class represents a collection of facts, rules,
+     * actions, and related language connectors.
      *
      */
     class KnowledgeBase
@@ -45,8 +46,8 @@ namespace obelisk
             /**
              * @brief Enable foreign key functionality in the open database.
              *
-             * This must always be done when the connection is opened or it will not enforce the foreign key
+             * This must always be done when the connection is opened or it will
-             * constraints.
+             * not enforce the foreign key constraints.
              */
             void enableForeignKeys();
 
@@ -61,7 +62,8 @@ namespace obelisk
             /**
              * @brief Construct a new KnowledgeBase object.
              *
-             * @param[in] filename The name of the file to save the knowledge base as.
+             * @param[in] filename The name of the file to save the knowledge
+             * base as.
              * @param[in] flags The flags to open the KnowledgeBase with.
              */
             KnowledgeBase(const char* filename, int flags);
@@ -69,10 +71,12 @@ namespace obelisk
             /**
              * @brief Construct a new KnowledgeBase object.
              *
-             * @param[in] filename The name of the file to save the knowledge base as.
+             * @param[in] filename The name of the file to save the knowledge
+             * base as.
              */
             KnowledgeBase(const char* filename) :
-                KnowledgeBase(filename, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE)
+                KnowledgeBase(filename,
+                    SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE)
             {
             }
 
@@ -86,96 +90,104 @@ namespace obelisk
             /**
              * @brief Add entities to the KnowledgeBase.
              *
-             * @param[in,out] entities The entities to add. If the insert is successful it will have a row ID, if not
+             * @param[in,out] entities The entities to add. If the insert is
-             * the ID will be 0.
+             * successful it will have a row ID, if not the ID will be 0.
              */
             void addEntities(std::vector<obelisk::Entity>& entities);
 
             /**
              * @brief Add verbs to the KnowledgeBase.
              *
-             * @param[in,out] verbs The verbs to add. If the insert is successful it will have a row ID, if not the ID
+             * @param[in,out] verbs The verbs to add. If the insert is
-             * will be 0.
+             * successful it will have a row ID, if not the ID will be 0.
              */
             void addVerbs(std::vector<obelisk::Verb>& verbs);
 
             /**
              * @brief Add actions to the KnowledgeBase.
              *
-             * @param[in,out] actions The actions to add. If the insert is successful it will have a row ID, if nto the
+             * @param[in,out] actions The actions to add. If the insert is
-             * ID will be 0.
+             * successful it will have a row ID, if nto the ID will be 0.
              */
             void addActions(std::vector<obelisk::Action>& actions);
 
             /**
              * @brief Add facts to the KnowledgeBase.
              *
-             * @param[in,out] facts The facts to add. If the insert is successful it will have a row ID, if not the ID
+             * @param[in,out] facts The facts to add. If the insert is
-             * will be 0.
+             * successful it will have a row ID, if not the ID will be 0.
              */
             void addFacts(std::vector<obelisk::Fact>& facts);
 
             /**
              * @brief Add suggested actions to the KnowledgeBase.
              *
-             * @param[in,out] suggestActions The suggested actions to add. If the insert is successful it will have a
+             * @param[in,out] suggestActions The suggested actions to add. If
-             * row ID, if not the ID will be 0.
+             * the insert is successful it will have a row ID, if not the ID
+             * will be 0.
              */
-            void addSuggestActions(std::vector<obelisk::SuggestAction>& suggestActions);
+            void addSuggestActions(
+                std::vector<obelisk::SuggestAction>& suggestActions);
 
             /**
              * @brief Add rules to the KnowledgeBase.
              *
-             * @param[in,out] rules The rules to add. If the insert is successful it will have a row ID, if not the ID
+             * @param[in,out] rules The rules to add. If the insert is
-             * will be 0.
+             * successful it will have a row ID, if not the ID will be 0.
              */
             void addRules(std::vector<obelisk::Rule>& rules);
 
             /**
              * @brief Get an Entity object based on the ID it contains.
              *
-             * @param[in,out] entity The Entity object should contain just the ID and the rest will be filled in.
+             * @param[in,out] entity The Entity object should contain just the
+             * ID and the rest will be filled in.
              */
             void getEntity(obelisk::Entity& entity);
 
             /**
              * @brief Get a Verb object based on the ID it contains.
              *
-             * @param[in,out] verb The Verb object should contain just the ID and the rest will be filled in.
+             * @param[in,out] verb The Verb object should contain just the ID
+             * and the rest will be filled in.
              */
             void getVerb(obelisk::Verb& verb);
 
             /**
              * @brief Get an Action based on the ID it contains.
              *
-             * @param[in] action The Action object should contain just the ID and the rest will be filled in.
+             * @param[in] action The Action object should contain just the ID
+             * and the rest will be filled in.
              */
             void getAction(obelisk::Action& action);
 
             /**
              * @brief Get a Fact object based on the ID it contains.
              *
-             * @param[in,out] fact The Fact object should contain just the ID and the rest will be filled in.
+             * @param[in,out] fact The Fact object should contain just the ID
+             * and the rest will be filled in.
              */
             void getFact(obelisk::Fact& fact);
 
             /**
              * @brief Get a SuggestAction based on the ID it contains.
              *
-             * @param[in,out] suggestAction The SuggestAction object should contain just the ID and the rest will be
+             * @param[in,out] suggestAction The SuggestAction object should
-             * filled in.
+             * contain just the ID and the rest will be filled in.
              */
             void getSuggestAction(obelisk::SuggestAction& suggestAction);
 
             /**
              * @brief Get a Rule based on the ID it contains.
              *
-             * @param[in,out] rule The Rule object should  contain just the ID and the rest will be filled in.
+             * @param[in,out] rule The Rule object should  contain just the ID
+             * and the rest will be filled in.
              */
             void getRule(obelisk::Rule& rule);
 
             /**
-             * @brief Check if a rule looks for this Fact, if so update its truth.
+             * @brief Check if a rule looks for this Fact, if so update its
+             * truth.
              *
              * @param[in,out] fact The Fact to check for existing rules.
              */
@@ -191,8 +203,9 @@ namespace obelisk
             /**
              * @brief Take a float and divide it into 2 floats.
              *
-             * This is useful to store doubles in SQLite since SQLite doesn't have a double type. Instead just store the
+             * This is useful to store doubles in SQLite since SQLite doesn't
-             * 2 floats in the database. Then after selecting them combine them.
+             * have a double type. Instead just store the 2 floats in the
+             * database. Then after selecting them combine them.
              *
              * @param[out] result1 The first float generated from the double.
              * @param[out] result2 The second float generated from the double.
@@ -203,7 +216,8 @@ namespace obelisk
             /**
              * @brief Combines 2 separated floats back into a double.
              *
-             * This will recombine the separated floats from the getFloat method.
+             * This will recombine the separated floats from the getFloat
+             * method.
              *
              * @param[out] result The double generated from the combined floats.
              * @param[in] var1 The first float to combine.

src/lib/models/action.cpp

@@ -21,7 +21,11 @@ void obelisk::Action::selectByName(sqlite3* dbConnection)
 
     sqlite3_stmt* ppStmt = nullptr;
 
-    auto result = sqlite3_prepare_v2(dbConnection, "SELECT id, name FROM action WHERE name=?", -1, &ppStmt, nullptr);
+    auto result = sqlite3_prepare_v2(dbConnection,
+        "SELECT id, name FROM action WHERE name=?",
+        -1,
+        &ppStmt,
+        nullptr);
 
     if (result != SQLITE_OK)
     {
@@ -85,13 +89,18 @@ void obelisk::Action::insert(sqlite3* dbConnection)
 
     sqlite3_stmt* ppStmt = nullptr;
 
-    auto result = sqlite3_prepare_v2(dbConnection, "INSERT INTO action (name) VALUES (?)", -1, &ppStmt, nullptr);
+    auto result = sqlite3_prepare_v2(dbConnection,
+        "INSERT INTO action (name) VALUES (?)",
+        -1,
+        &ppStmt,
+        nullptr);
     if (result != SQLITE_OK)
     {
         throw obelisk::DatabaseException(sqlite3_errmsg(dbConnection));
     }
 
-    result = sqlite3_bind_text(ppStmt, 1, getName().c_str(), -1, SQLITE_TRANSIENT);
+    result
+        = sqlite3_bind_text(ppStmt, 1, getName().c_str(), -1, SQLITE_TRANSIENT);
     switch (result)
     {
         case SQLITE_OK :
@@ -118,7 +127,8 @@ void obelisk::Action::insert(sqlite3* dbConnection)
             sqlite3_set_last_insert_rowid(dbConnection, 0);
             break;
         case SQLITE_CONSTRAINT :
-            throw obelisk::DatabaseConstraintException(sqlite3_errmsg(dbConnection));
+            throw obelisk::DatabaseConstraintException(
+                sqlite3_errmsg(dbConnection));
         case SQLITE_BUSY :
             throw obelisk::DatabaseBusyException();
             break;

src/lib/models/action.h

@@ -8,7 +8,8 @@
 namespace obelisk
 {
     /**
-     * @brief The Action model represents an action to take when a fact is true or false.
+     * @brief The Action model represents an action to take when a fact is true
+     * or false.
      *
      */
     class Action
@@ -107,14 +108,16 @@ namespace obelisk
             void setName(std::string name);
 
             /**
-             * @brief Select an Action from the datbase based on the object name.
+             * @brief Select an Action from the datbase based on the object
+             * name.
              *
              * @param[in] dbConnection The database connection to use.
              */
             void selectByName(sqlite3* dbConnection);
 
             /**
-             * @brief Insert an Action into the KnowledgeBase based on the object's fields.
+             * @brief Insert an Action into the KnowledgeBase based on the
+             * object's fields.
              *
              * @param[in] dbConnection The database connection to use.
              */

src/lib/models/entity.cpp

@@ -21,7 +21,11 @@ void obelisk::Entity::selectByName(sqlite3* dbConnection)
 
     sqlite3_stmt* ppStmt = nullptr;
 
-    auto result = sqlite3_prepare_v2(dbConnection, "SELECT id, name FROM entity WHERE name=?", -1, &ppStmt, nullptr);
+    auto result = sqlite3_prepare_v2(dbConnection,
+        "SELECT id, name FROM entity WHERE name=?",
+        -1,
+        &ppStmt,
+        nullptr);
 
     if (result != SQLITE_OK)
     {
@@ -85,13 +89,18 @@ void obelisk::Entity::insert(sqlite3* dbConnection)
 
     sqlite3_stmt* ppStmt = nullptr;
 
-    auto result = sqlite3_prepare_v2(dbConnection, "INSERT INTO entity (name) VALUES (?)", -1, &ppStmt, nullptr);
+    auto result = sqlite3_prepare_v2(dbConnection,
+        "INSERT INTO entity (name) VALUES (?)",
+        -1,
+        &ppStmt,
+        nullptr);
     if (result != SQLITE_OK)
     {
         throw obelisk::DatabaseException(sqlite3_errmsg(dbConnection));
     }
 
-    result = sqlite3_bind_text(ppStmt, 1, getName().c_str(), -1, SQLITE_TRANSIENT);
+    result
+        = sqlite3_bind_text(ppStmt, 1, getName().c_str(), -1, SQLITE_TRANSIENT);
     switch (result)
     {
         case SQLITE_OK :
@@ -118,7 +127,8 @@ void obelisk::Entity::insert(sqlite3* dbConnection)
             sqlite3_set_last_insert_rowid(dbConnection, 0);
             break;
         case SQLITE_CONSTRAINT :
-            throw obelisk::DatabaseConstraintException(sqlite3_errmsg(dbConnection));
+            throw obelisk::DatabaseConstraintException(
+                sqlite3_errmsg(dbConnection));
         case SQLITE_BUSY :
             throw obelisk::DatabaseBusyException();
             break;

src/lib/models/entity.h

@@ -8,7 +8,8 @@
 namespace obelisk
 {
     /**
-     * @brief The Entity model represents either a left or right side entity, typically used in facts and rules.
+     * @brief The Entity model represents either a left or right side entity,
+     * typically used in facts and rules.
      *
      */
     class Entity
@@ -107,14 +108,16 @@ namespace obelisk
             void setName(std::string name);
 
             /**
-             * @brief Select an Entity from the KnowledgeBase based on the object's name.
+             * @brief Select an Entity from the KnowledgeBase based on the
+             * object's name.
              *
              * @param[in] dbConnection The database connection to use.
              */
             void selectByName(sqlite3* dbConnection);
 
             /**
-             * @brief Insert an Entity into the KnowledgeBase based on the object's fields.
+             * @brief Insert an Entity into the KnowledgeBase based on the
+             * object's fields.
              *
              * @param[in] dbConnection The database connection to use.
              */

src/lib/models/error.h

@@ -35,14 +35,16 @@ namespace obelisk
              * @param[in] errorCode The error code that came from sqlite.
              */
             DatabaseException(const int errorCode) :
-                errorMessage_("database error " + std::to_string(errorCode) + " ocurred")
+                errorMessage_(
+                    "database error " + std::to_string(errorCode) + " ocurred")
             {
             }
 
             /**
              * @brief Construct a new DatabaseException object.
              *
-             * @param[in] errorMessage The error message to describe the exception.
+             * @param[in] errorMessage The error message to describe the
+             * exception.
              */
             DatabaseException(const std::string& errorMessage) :
                 errorMessage_(errorMessage)
@@ -71,7 +73,8 @@ namespace obelisk
     };
 
     /**
-     * @brief Exception thrown if the string or blob size exceeds sqlite's limits.
+     * @brief Exception thrown if the string or blob size exceeds sqlite's
+     * limits.
      *
      */
     class DatabaseSizeException : public obelisk::DatabaseException
@@ -105,7 +108,8 @@ namespace obelisk
     };
 
     /**
-     * @brief Exception thrown if there is not enough memory to perform the operation.
+     * @brief Exception thrown if there is not enough memory to perform the
+     * operation.
      *
      */
     class DatabaseMemoryException : public obelisk::DatabaseException
@@ -134,7 +138,8 @@ namespace obelisk
              */
             DatabaseBusyException()
             {
-                setErrorMessage("database was busy and operation was not performed");
+                setErrorMessage(
+                    "database was busy and operation was not performed");
             }
     };
 
@@ -175,7 +180,8 @@ namespace obelisk
             /**
              * @brief Construct a new DatabaseConstraintException object.
              *
-             * @param[in] errorMessage The error message to send when the constraint is violated.
+             * @param[in] errorMessage The error message to send when the
+             * constraint is violated.
              */
             DatabaseConstraintException(const std::string& errorMessage)
             {

src/lib/models/fact.cpp

@@ -36,7 +36,8 @@ void obelisk::Fact::selectById(sqlite3* dbConnection)
     }
     else
     {
-        query = "SELECT id, left_entity, right_entity, verb, is_true FROM fact WHERE (id=?)";
+        query
+            = "SELECT id, left_entity, right_entity, verb, is_true FROM fact WHERE (id=?)";
     }
     auto result = sqlite3_prepare_v2(dbConnection, query, -1, &ppStmt, nullptr);
     if (result != SQLITE_OK)
@@ -259,7 +260,8 @@ void obelisk::Fact::insert(sqlite3* dbConnection)
             sqlite3_set_last_insert_rowid(dbConnection, 0);
             break;
         case SQLITE_CONSTRAINT :
-            throw obelisk::DatabaseConstraintException(sqlite3_errmsg(dbConnection));
+            throw obelisk::DatabaseConstraintException(
+                sqlite3_errmsg(dbConnection));
         case SQLITE_BUSY :
             throw obelisk::DatabaseBusyException();
             break;
@@ -287,7 +289,11 @@ void obelisk::Fact::updateIsTrue(sqlite3* dbConnection)
 
     sqlite3_stmt* ppStmt = nullptr;
 
-    auto result = sqlite3_prepare_v2(dbConnection, "UPDATE fact SET is_true=? WHERE id=?", -1, &ppStmt, nullptr);
+    auto result = sqlite3_prepare_v2(dbConnection,
+        "UPDATE fact SET is_true=? WHERE id=?",
+        -1,
+        &ppStmt,
+        nullptr);
     if (result != SQLITE_OK)
     {
         throw obelisk::DatabaseException(sqlite3_errmsg(dbConnection));
@@ -338,7 +344,8 @@ void obelisk::Fact::updateIsTrue(sqlite3* dbConnection)
             // Row updated
             break;
         case SQLITE_CONSTRAINT :
-            throw obelisk::DatabaseConstraintException(sqlite3_errmsg(dbConnection));
+            throw obelisk::DatabaseConstraintException(
+                sqlite3_errmsg(dbConnection));
         case SQLITE_BUSY :
             throw obelisk::DatabaseBusyException();
             break;

src/lib/models/fact.h

@@ -10,7 +10,8 @@
 namespace obelisk
 {
     /**
-     * @brief The Fact model represents truth in the releationship between two entities separated by a verb.
+     * @brief The Fact model represents truth in the releationship between two
+     * entities separated by a verb.
      *
      */
     class Fact
@@ -35,7 +36,8 @@ namespace obelisk
             obelisk::Entity rightEntity_;
 
             /**
-             * @brief The Verb that represents the relationship in the expression.
+             * @brief The Verb that represents the relationship in the
+             * expression.
              *
              */
             obelisk::Verb verb_;
@@ -77,12 +79,17 @@ namespace obelisk
             /**
              * @brief Construct a new Fact object.
              *
-             * @param[in] leftEntity The Entity on the left side of the expression.
+             * @param[in] leftEntity The Entity on the left side of the
-             * @param[in] rightEntity The Entity on the right side of the expression.
+             * expression.
+             * @param[in] rightEntity The Entity on the right side of the
+             * expression.
              * @param[in] verb The Verb separating the entities.
              * @param[in] isTrue Whether or not the fact is true.
              */
-            Fact(obelisk::Entity leftEntity, obelisk::Entity rightEntity, obelisk::Verb verb, bool isTrue = false) :
+            Fact(obelisk::Entity leftEntity,
+                obelisk::Entity rightEntity,
+                obelisk::Verb verb,
+                bool isTrue = false) :
                 id_(0),
                 leftEntity_(leftEntity),
                 rightEntity_(rightEntity),
@@ -95,8 +102,10 @@ namespace obelisk
              * @brief Construct a new Fact object.
              *
              * @param[in] id The ID of the Fact in the KnowledgeBase.
-             * @param[in] leftEntity The Entity on the left side of the expression.
+             * @param[in] leftEntity The Entity on the left side of the
-             * @param[in] rightEntity The Entity on the right side of the expression.
+             * expression.
+             * @param[in] rightEntity The Entity on the right side of the
+             * expression.
              * @param[in] verb The Verb separating the entities.
              * @param[in] isTrue Whether or not the fact is true.
              */
@@ -192,7 +201,8 @@ namespace obelisk
             void setIsTrue(bool isTrue);
 
             /**
-             * @brief Select the Fact from the KnowledgeBase by IDs of the sub-objects.
+             * @brief Select the Fact from the KnowledgeBase by IDs of the
+             * sub-objects.
              *
              * @param[in] dbConnection The database connection to use.
              */
@@ -206,7 +216,8 @@ namespace obelisk
             void insert(sqlite3* dbConnection);
 
             /**
-             * @brief Update whether or not the fact is true in the KnowledgeBase.
+             * @brief Update whether or not the fact is true in the
+             * KnowledgeBase.
              *
              * @param[in] dbConnection The database connection.
              */

src/lib/models/rule.cpp

@@ -111,8 +111,11 @@ void obelisk::Rule::insert(sqlite3* dbConnection)
 
     sqlite3_stmt* ppStmt = nullptr;
 
-    auto result
+    auto result = sqlite3_prepare_v2(dbConnection,
-        = sqlite3_prepare_v2(dbConnection, "INSERT INTO rule (fact, reason) VALUES (?, ?)", -1, &ppStmt, nullptr);
+        "INSERT INTO rule (fact, reason) VALUES (?, ?)",
+        -1,
+        &ppStmt,
+        nullptr);
     if (result != SQLITE_OK)
     {
         throw obelisk::DatabaseException(sqlite3_errmsg(dbConnection));
@@ -164,7 +167,8 @@ void obelisk::Rule::insert(sqlite3* dbConnection)
             sqlite3_set_last_insert_rowid(dbConnection, 0);
             break;
         case SQLITE_CONSTRAINT :
-            throw obelisk::DatabaseConstraintException(sqlite3_errmsg(dbConnection));
+            throw obelisk::DatabaseConstraintException(
+                sqlite3_errmsg(dbConnection));
         case SQLITE_BUSY :
             throw obelisk::DatabaseBusyException();
             break;
@@ -183,7 +187,9 @@ void obelisk::Rule::insert(sqlite3* dbConnection)
     }
 }
 
-void obelisk::Rule::selectByReason(sqlite3* dbConnection, int reasonId, std::vector<obelisk::Rule>& rules)
+void obelisk::Rule::selectByReason(sqlite3* dbConnection,
+    int reasonId,
+    std::vector<obelisk::Rule>& rules)
 {
     if (dbConnection == nullptr)
     {
@@ -192,8 +198,11 @@ void obelisk::Rule::selectByReason(sqlite3* dbConnection, int reasonId, std::vec
 
     sqlite3_stmt* ppStmt = nullptr;
 
-    auto result
+    auto result = sqlite3_prepare_v2(dbConnection,
-        = sqlite3_prepare_v2(dbConnection, "SELECT id, fact, reason FROM rule WHERE (reason=?)", -1, &ppStmt, nullptr);
+        "SELECT id, fact, reason FROM rule WHERE (reason=?)",
+        -1,
+        &ppStmt,
+        nullptr);
     if (result != SQLITE_OK)
     {
         throw obelisk::DatabaseException(sqlite3_errmsg(dbConnection));

src/lib/models/rule.h

@@ -134,7 +134,8 @@ namespace obelisk
             void setReason(obelisk::Fact reason);
 
             /**
-             * @brief Select the Rule from the KnowledgeBase by IDs of the sub-objects.
+             * @brief Select the Rule from the KnowledgeBase by IDs of the
+             * sub-objects.
              *
              * @param[in] dbConnection The database connection to use.
              */
@@ -146,7 +147,9 @@ namespace obelisk
              * @param[in] dbConnection The database connection to use.
              * @param[out] rules The rules to fill in from the database.
              */
-            static void selectByReason(sqlite3* dbConnection, int reasonId, std::vector<obelisk::Rule>& rules);
+            static void selectByReason(sqlite3* dbConnection,
+                int reasonId,
+                std::vector<obelisk::Rule>& rules);
 
             /**
              * @brief Insert the Rule into the KnowledgeBase.

src/lib/models/suggest_action.cpp

@@ -208,7 +208,8 @@ void obelisk::SuggestAction::insert(sqlite3* dbConnection)
             sqlite3_set_last_insert_rowid(dbConnection, 0);
             break;
         case SQLITE_CONSTRAINT :
-            throw obelisk::DatabaseConstraintException(sqlite3_errmsg(dbConnection));
+            throw obelisk::DatabaseConstraintException(
+                sqlite3_errmsg(dbConnection));
         case SQLITE_BUSY :
             throw obelisk::DatabaseBusyException();
             break;

src/lib/models/suggest_action.h

@@ -9,7 +9,8 @@
 namespace obelisk
 {
     /**
-     * @brief The SuggestAction model representas the actions to take depending on if the Fact is true or false.
+     * @brief The SuggestAction model representas the actions to take depending
+     * on if the Fact is true or false.
      *
      */
     class SuggestAction
@@ -72,7 +73,9 @@ namespace obelisk
              * @param[in] trueAction The true Action.
              * @param[in] falseAction The false Action.
              */
-            SuggestAction(obelisk::Fact fact, obelisk::Action trueAction, obelisk::Action falseAction) :
+            SuggestAction(obelisk::Fact fact,
+                obelisk::Action trueAction,
+                obelisk::Action falseAction) :
                 id_(0),
                 fact_(fact),
                 trueAction_(trueAction),
@@ -88,7 +91,10 @@ namespace obelisk
              * @param[in] trueAction The true Action.
              * @param[in] falseAction The false Action.
              */
-            SuggestAction(int id, obelisk::Fact fact, obelisk::Action trueAction, obelisk::Action falseAction) :
+            SuggestAction(int id,
+                obelisk::Fact fact,
+                obelisk::Action trueAction,
+                obelisk::Action falseAction) :
                 id_(id),
                 fact_(fact),
                 trueAction_(trueAction),
@@ -160,7 +166,8 @@ namespace obelisk
             void setFalseAction(obelisk::Action falseAction);
 
             /**
-             * @brief Select the SuggestAction from the KnowledgeBase by IDs of the sub-objects.
+             * @brief Select the SuggestAction from the KnowledgeBase by IDs of
+             * the sub-objects.
              *
              * @param[in] dbConnection The database connection to use.
              */

src/lib/models/verb.cpp

@@ -23,7 +23,11 @@ void obelisk::Verb::selectByName(sqlite3* dbConnection)
 
     sqlite3_stmt* ppStmt = nullptr;
 
-    auto result = sqlite3_prepare_v2(dbConnection, "SELECT id, name FROM verb WHERE name=?", -1, &ppStmt, nullptr);
+    auto result = sqlite3_prepare_v2(dbConnection,
+        "SELECT id, name FROM verb WHERE name=?",
+        -1,
+        &ppStmt,
+        nullptr);
     if (result != SQLITE_OK)
     {
         throw obelisk::DatabaseException(sqlite3_errmsg(dbConnection));
@@ -85,13 +89,18 @@ void obelisk::Verb::insert(sqlite3* dbConnection)
 
     sqlite3_stmt* ppStmt = nullptr;
 
-    auto result = sqlite3_prepare_v2(dbConnection, "INSERT INTO verb (name) VALUES (?)", -1, &ppStmt, nullptr);
+    auto result = sqlite3_prepare_v2(dbConnection,
+        "INSERT INTO verb (name) VALUES (?)",
+        -1,
+        &ppStmt,
+        nullptr);
     if (result != SQLITE_OK)
     {
         throw obelisk::DatabaseException(sqlite3_errmsg(dbConnection));
     }
 
-    result = sqlite3_bind_text(ppStmt, 1, getName().c_str(), -1, SQLITE_TRANSIENT);
+    result
+        = sqlite3_bind_text(ppStmt, 1, getName().c_str(), -1, SQLITE_TRANSIENT);
     switch (result)
     {
         case SQLITE_OK :
@@ -118,7 +127,8 @@ void obelisk::Verb::insert(sqlite3* dbConnection)
             sqlite3_set_last_insert_rowid(dbConnection, 0);
             break;
         case SQLITE_CONSTRAINT :
-            throw obelisk::DatabaseConstraintException(sqlite3_errmsg(dbConnection));
+            throw obelisk::DatabaseConstraintException(
+                sqlite3_errmsg(dbConnection));
         case SQLITE_BUSY :
             throw obelisk::DatabaseBusyException();
             break;

src/lib/models/verb.h

@@ -8,7 +8,8 @@
 namespace obelisk
 {
     /**
-     * @brief The Verb model represents a verb which is used to connnect entities.
+     * @brief The Verb model represents a verb which is used to connnect
+     * entities.
      *
      */
     class Verb

src/main.cpp

@@ -10,13 +10,15 @@
 #include <limits>
 #include <memory>
 
-int obelisk::mainLoop(const std::vector<std::string>& sourceFiles, const std::string& kbFile)
+int obelisk::mainLoop(const std::vector<std::string>& sourceFiles,
+    const std::string& kbFile)
 {
     std::unique_ptr<obelisk::KnowledgeBase> kb;
 
     try
     {
-        kb = std::unique_ptr<obelisk::KnowledgeBase> {new obelisk::KnowledgeBase(kbFile.c_str())};
+        kb = std::unique_ptr<obelisk::KnowledgeBase> {
+            new obelisk::KnowledgeBase(kbFile.c_str())};
     }
     catch (obelisk::KnowledgeBaseException& exception)
     {
@@ -28,7 +30,8 @@ int obelisk::mainLoop(const std::vector<std::string>& sourceFiles, const std::st
     std::shared_ptr<obelisk::Lexer> lexer;
     try
     {
-        lexer = std::shared_ptr<obelisk::Lexer> {new obelisk::Lexer(sourceFiles[file++])};
+        lexer = std::shared_ptr<obelisk::Lexer> {
+            new obelisk::Lexer(sourceFiles[file++])};
     }
     catch (obelisk::LexerException& exception)
     {
@@ -53,14 +56,16 @@ int obelisk::mainLoop(const std::vector<std::string>& sourceFiles, const std::st
         switch (parser->getCurrentToken())
         {
             case obelisk::Lexer::kTokenEof :
-                // end of source file found, create a new lexer and pass it to the parser to use
+                // end of source file found, create a new lexer and pass it to
+                // the parser to use
                 if (file >= sourceFiles.size())
                 {
                     return EXIT_SUCCESS;
                 }
                 try
                 {
-                    lexer = std::shared_ptr<obelisk::Lexer> {new obelisk::Lexer(sourceFiles[file++])};
+                    lexer = std::shared_ptr<obelisk::Lexer> {
+                        new obelisk::Lexer(sourceFiles[file++])};
                     parser->setLexer(lexer);
                     // prime the first token in the parser
                     parser->getNextToken();
@@ -138,7 +143,11 @@ int main(int argc, char** argv)
     while (true)
     {
         int option_index = 0;
-        switch (getopt_long(argc, argv, "k:hv", obelisk::long_options, &option_index))
+        switch (getopt_long(argc,
+            argv,
+            "k:hv",
+            obelisk::long_options,
+            &option_index))
         {
             case 'k' :
                 kbFile = std::string(optarg);

src/main.h

@@ -1,7 +1,8 @@
 #include <getopt.h>
 
 /**
- * @brief The obelisk namespace contains everything needed to compile obelisk code.
+ * @brief The obelisk namespace contains everything needed to compile obelisk
+ * code.
  *
  */
 namespace obelisk
@@ -42,5 +43,6 @@ Options:
      *
      * @return int Returns EXIT_SUCCESS or EXIT_FAILURE.
      */
-    int mainLoop(const std::vector<std::string> &sourceFiles, const std::string &kbFile);
+    int mainLoop(const std::vector<std::string> &sourceFiles,
+        const std::string &kbFile);
 } // namespace obelisk

src/parser.cpp

@@ -42,13 +42,15 @@ void obelisk::Parser::setCurrentToken(int currentToken)
     currentToken_ = currentToken;
 }
 
-std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::logError(const char* str)
+std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::logError(
+    const char* str)
 {
     fprintf(stderr, "Error: %s\n", str);
     return nullptr;
 }
 
-std::unique_ptr<obelisk::PrototypeAST> obelisk::Parser::logErrorPrototype(const char* str)
+std::unique_ptr<obelisk::PrototypeAST> obelisk::Parser::logErrorPrototype(
+    const char* str)
 {
     logError(str);
     return nullptr;
@@ -82,12 +84,14 @@ std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parsePrimary()
 
 std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parseNumberExpression()
 {
-    auto result = std::make_unique<obelisk::NumberExpressionAST>(getLexer()->getNumberValue());
+    auto result = std::make_unique<obelisk::NumberExpressionAST>(
+        getLexer()->getNumberValue());
     getNextToken();
     return result;
 }
 
-std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parseParenthesisExpression()
+std::unique_ptr<obelisk::ExpressionAST>
+    obelisk::Parser::parseParenthesisExpression()
 {
     getNextToken();
     auto v = parseExpression();
@@ -104,7 +108,8 @@ std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parseParenthesisExpress
     return v;
 }
 
-std::unique_ptr<obelisk::ExpressionAST> obelisk::Parser::parseIdentifierExpression()
+std::unique_ptr<obelisk::ExpressionAST>
+    obelisk::Parser::parseIdentifierExpression()
 {
     std::string idName = getLexer()->getIdentifier();
     getNextToken();
@@ -174,7 +179,8 @@ std::unique_ptr<obelisk::PrototypeAST> obelisk::Parser::parsePrototype()
 
     getNextToken();
 
-    return std::make_unique<obelisk::PrototypeAST>(functionName, std::move(argNames));
+    return std::make_unique<obelisk::PrototypeAST>(functionName,
+        std::move(argNames));
 }
 
 std::unique_ptr<obelisk::FunctionAST> obelisk::Parser::parseDefinition()
@@ -188,7 +194,8 @@ std::unique_ptr<obelisk::FunctionAST> obelisk::Parser::parseDefinition()
 
     if (auto expression = parseExpression())
     {
-        return std::make_unique<FunctionAST>(std::move(prototype), std::move(expression));
+        return std::make_unique<FunctionAST>(std::move(prototype),
+            std::move(expression));
     }
 
     return nullptr;
@@ -199,8 +206,10 @@ std::unique_ptr<obelisk::FunctionAST> obelisk::Parser::parseTopLevelExpression()
     if (auto expression = parseExpression())
     {
         // Make an anonymous prototype
-        auto prototype = std::make_unique<obelisk::PrototypeAST>("__anon_expr", std::vector<std::string>());
+        auto prototype = std::make_unique<obelisk::PrototypeAST>("__anon_expr",
-        return std::make_unique<obelisk::FunctionAST>(std::move(prototype), std::move(expression));
+            std::vector<std::string>());
+        return std::make_unique<obelisk::FunctionAST>(std::move(prototype),
+            std::move(expression));
     }
     return nullptr;
 }
@@ -218,7 +227,8 @@ void obelisk::Parser::parseAction(obelisk::SuggestAction& suggestAction)
     getNextToken();
     if (getCurrentToken() != '(')
     {
-        throw obelisk::ParserException("expected '(' but got '" + std::to_string(getCurrentToken()) + "'");
+        throw obelisk::ParserException(
+            "expected '(' but got '" + std::to_string(getCurrentToken()) + "'");
     }
 
     syntax.push('(');
@@ -226,7 +236,8 @@ void obelisk::Parser::parseAction(obelisk::SuggestAction& suggestAction)
     getNextToken();
     if (getLexer()->getIdentifier() != "if")
     {
-        throw obelisk::ParserException("expected 'if' but got '" + getLexer()->getIdentifier() + "'");
+        throw obelisk::ParserException(
+            "expected 'if' but got '" + getLexer()->getIdentifier() + "'");
     }
 
     bool getEntity {true};
@@ -302,7 +313,8 @@ void obelisk::Parser::parseAction(obelisk::SuggestAction& suggestAction)
                 {
                     if (!isalpha(letter))
                     {
-                        throw new obelisk::ParserException("non alphabetic symbol in verb");
+                        throw new obelisk::ParserException(
+                            "non alphabetic symbol in verb");
                     }
                 }
                 getEntity = true;
@@ -357,7 +369,8 @@ void obelisk::Parser::parseAction(obelisk::SuggestAction& suggestAction)
         {
             if (getCurrentToken() == ')')
             {
-                // closing parenthesis found, make sure we have everything needed
+                // closing parenthesis found, make sure we have everything
+                // needed
                 if (syntax.top() != '(')
                 {
                     throw obelisk::ParserException("unexpected ')'");
@@ -421,8 +434,9 @@ void obelisk::Parser::parseAction(obelisk::SuggestAction& suggestAction)
         }
     }
 
-    suggestAction.setFact(
+    suggestAction.setFact(obelisk::Fact(obelisk::Entity(leftEntity),
-        obelisk::Fact(obelisk::Entity(leftEntity), obelisk::Entity(rightEntity), obelisk::Verb(verb)));
+        obelisk::Entity(rightEntity),
+        obelisk::Verb(verb)));
     suggestAction.setTrueAction(obelisk::Action(trueAction));
     suggestAction.setFalseAction(obelisk::Action(falseAction));
 }
@@ -434,7 +448,8 @@ void obelisk::Parser::parseRule(obelisk::Rule& rule)
     getNextToken();
     if (getCurrentToken() != '(')
     {
-        throw obelisk::ParserException("expected '(' but got '" + std::to_string(getCurrentToken()) + "'");
+        throw obelisk::ParserException(
+            "expected '(' but got '" + std::to_string(getCurrentToken()) + "'");
     }
 
     syntax.push('(');
@@ -509,7 +524,8 @@ void obelisk::Parser::parseRule(obelisk::Rule& rule)
         {
             if (getCurrentToken() == ')')
             {
-                // closing parenthesis found, make sure we have everything needed
+                // closing parenthesis found, make sure we have everything
+                // needed
                 if (syntax.top() != '(')
                 {
                     throw obelisk::ParserException("unexpected ')'");
@@ -536,12 +552,14 @@ void obelisk::Parser::parseRule(obelisk::Rule& rule)
 
                 if (leftReasonEntity == "")
                 {
-                    throw obelisk::ParserException("missing left reason entity");
+                    throw obelisk::ParserException(
+                        "missing left reason entity");
                 }
 
                 if (rightReasonEntity == "")
                 {
-                    throw obelisk::ParserException("missing right reason entity");
+                    throw obelisk::ParserException(
+                        "missing right reason entity");
                 }
 
                 if (reasonVerb == "")
@@ -579,7 +597,8 @@ void obelisk::Parser::parseRule(obelisk::Rule& rule)
                     {
                         if (!isalpha(letter))
                         {
-                            throw new obelisk::ParserException("non alphabetic symbol in verb");
+                            throw new obelisk::ParserException(
+                                "non alphabetic symbol in verb");
                         }
                     }
                     getEntity = true;
@@ -592,7 +611,8 @@ void obelisk::Parser::parseRule(obelisk::Rule& rule)
                     {
                         if (!isalpha(letter))
                         {
-                            throw new obelisk::ParserException("non alphabetic symbol in verb");
+                            throw new obelisk::ParserException(
+                                "non alphabetic symbol in verb");
                         }
                     }
                     getEntity = true;
@@ -602,7 +622,9 @@ void obelisk::Parser::parseRule(obelisk::Rule& rule)
         }
     }
 
-    rule.setFact(obelisk::Fact(obelisk::Entity(leftEntity), obelisk::Entity(rightEntity), obelisk::Verb(verb)));
+    rule.setFact(obelisk::Fact(obelisk::Entity(leftEntity),
+        obelisk::Entity(rightEntity),
+        obelisk::Verb(verb)));
     rule.setReason(obelisk::Fact(obelisk::Entity(leftReasonEntity),
         obelisk::Entity(rightReasonEntity),
         obelisk::Verb(reasonVerb)));
@@ -615,7 +637,8 @@ void obelisk::Parser::parseFact(std::vector<obelisk::Fact>& facts)
     getNextToken();
     if (getCurrentToken() != '(')
     {
-        throw obelisk::ParserException("expected '(' but got '" + std::to_string(getCurrentToken()) + "'");
+        throw obelisk::ParserException(
+            "expected '(' but got '" + std::to_string(getCurrentToken()) + "'");
     }
 
     syntax.push('(');
@@ -671,7 +694,8 @@ void obelisk::Parser::parseFact(std::vector<obelisk::Fact>& facts)
         {
             if (getCurrentToken() == ')')
             {
-                // closing parenthesis found, make sure we have everything needed
+                // closing parenthesis found, make sure we have everything
+                // needed
                 if (syntax.top() != '(')
                 {
                     throw obelisk::ParserException("unexpected ')'");
@@ -688,12 +712,14 @@ void obelisk::Parser::parseFact(std::vector<obelisk::Fact>& facts)
 
                 if (leftEntities.size() == 0)
                 {
-                    throw obelisk::ParserException("missing left side entities");
+                    throw obelisk::ParserException(
+                        "missing left side entities");
                 }
 
                 if (rightEntities.size() == 0)
                 {
-                    throw obelisk::ParserException("missing right side entities");
+                    throw obelisk::ParserException(
+                        "missing right side entities");
                 }
 
                 getNextToken();
@@ -723,7 +749,8 @@ void obelisk::Parser::parseFact(std::vector<obelisk::Fact>& facts)
                 {
                     if (!isalpha(letter))
                     {
-                        throw new obelisk::ParserException("non alphabetic symbol in verb");
+                        throw new obelisk::ParserException(
+                            "non alphabetic symbol in verb");
                     }
                 }
                 getEntity = true;
@@ -736,8 +763,10 @@ void obelisk::Parser::parseFact(std::vector<obelisk::Fact>& facts)
     {
         for (auto& rightEntity : rightEntities)
         {
-            facts.push_back(
+            facts.push_back(obelisk::Fact(obelisk::Entity(leftEntity),
-                obelisk::Fact(obelisk::Entity(leftEntity), obelisk::Entity(rightEntity), obelisk::Verb(verb), true));
+                obelisk::Entity(rightEntity),
+                obelisk::Verb(verb),
+                true));
         }
     }
 }
@@ -850,7 +879,8 @@ void obelisk::Parser::handleFact(std::unique_ptr<obelisk::KnowledgeBase>& kb)
     }
 }
 
-void obelisk::Parser::insertEntity(std::unique_ptr<obelisk::KnowledgeBase>& kb, obelisk::Entity& entity)
+void obelisk::Parser::insertEntity(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+    obelisk::Entity& entity)
 {
     std::vector<obelisk::Entity> entities {entity};
     kb->addEntities(entities);
@@ -862,12 +892,14 @@ void obelisk::Parser::insertEntity(std::unique_ptr<obelisk::KnowledgeBase>& kb,
         kb->getEntity(entity);
         if (entity.getId() == 0)
         {
-            throw obelisk::ParserException("entity could not be inserted into the database");
+            throw obelisk::ParserException(
+                "entity could not be inserted into the database");
         }
     }
 }
 
-void obelisk::Parser::insertVerb(std::unique_ptr<obelisk::KnowledgeBase>& kb, obelisk::Verb& verb)
+void obelisk::Parser::insertVerb(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+    obelisk::Verb& verb)
 {
     std::vector<obelisk::Verb> verbs {verb};
     kb->addVerbs(verbs);
@@ -879,12 +911,14 @@ void obelisk::Parser::insertVerb(std::unique_ptr<obelisk::KnowledgeBase>& kb, ob
         kb->getVerb(verb);
         if (verb.getId() == 0)
         {
-            throw obelisk::ParserException("verb could not be inserted into the database");
+            throw obelisk::ParserException(
+                "verb could not be inserted into the database");
         }
     }
 }
 
-void obelisk::Parser::insertAction(std::unique_ptr<obelisk::KnowledgeBase>& kb, obelisk::Action& action)
+void obelisk::Parser::insertAction(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+    obelisk::Action& action)
 {
     std::vector<obelisk::Action> actions {action};
     kb->addActions(actions);
@@ -896,12 +930,15 @@ void obelisk::Parser::insertAction(std::unique_ptr<obelisk::KnowledgeBase>& kb,
         kb->getAction(action);
         if (action.getId() == 0)
         {
-            throw obelisk::ParserException("action could not be inserted into the database");
+            throw obelisk::ParserException(
+                "action could not be inserted into the database");
         }
     }
 }
 
-void obelisk::Parser::insertFact(std::unique_ptr<obelisk::KnowledgeBase>& kb, obelisk::Fact& fact, bool updateIsTrue)
+void obelisk::Parser::insertFact(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+    obelisk::Fact& fact,
+    bool updateIsTrue)
 {
     std::vector<obelisk::Fact> facts {fact};
     kb->addFacts(facts);
@@ -913,7 +950,8 @@ void obelisk::Parser::insertFact(std::unique_ptr<obelisk::KnowledgeBase>& kb, ob
         kb->getFact(fact);
         if (fact.getId() == 0)
         {
-            throw obelisk::ParserException("fact could not be inserted into the database");
+            throw obelisk::ParserException(
+                "fact could not be inserted into the database");
         }
         else
         {
@@ -926,7 +964,8 @@ void obelisk::Parser::insertFact(std::unique_ptr<obelisk::KnowledgeBase>& kb, ob
     }
 }
 
-void obelisk::Parser::insertSuggestAction(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+void obelisk::Parser::insertSuggestAction(
+    std::unique_ptr<obelisk::KnowledgeBase>& kb,
     obelisk::SuggestAction& suggestAction)
 {
     std::vector<obelisk::SuggestAction> suggestActions {suggestAction};
@@ -939,12 +978,14 @@ void obelisk::Parser::insertSuggestAction(std::unique_ptr<obelisk::KnowledgeBase
         kb->getSuggestAction(suggestAction);
         if (suggestAction.getId() == 0)
         {
-            throw obelisk::ParserException("suggest_action could not be inserted into the database");
+            throw obelisk::ParserException(
+                "suggest_action could not be inserted into the database");
         }
     }
 }
 
-void obelisk::Parser::insertRule(std::unique_ptr<obelisk::KnowledgeBase>& kb, obelisk::Rule& rule)
+void obelisk::Parser::insertRule(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+    obelisk::Rule& rule)
 {
     std::vector<obelisk::Rule> rules {rule};
     kb->addRules(rules);
@@ -956,7 +997,8 @@ void obelisk::Parser::insertRule(std::unique_ptr<obelisk::KnowledgeBase>& kb, ob
         kb->getRule(rule);
         if (rule.getId() == 0)
         {
-            throw obelisk::ParserException("rule could not be inserted into the database");
+            throw obelisk::ParserException(
+                "rule could not be inserted into the database");
         }
     }
 }

src/parser.h

@@ -18,14 +18,16 @@
 namespace obelisk
 {
     /**
-     * @brief The Parser is responsible for analyzing the language's key words and taking action based on its analysis.
+     * @brief The Parser is responsible for analyzing the language's key words
+     * and taking action based on its analysis.
      *
      */
     class Parser
     {
         private:
             /**
-             * @brief The Lexer object that the Parser is using to Parse a specific source file.
+             * @brief The Lexer object that the Parser is using to Parse a
+             * specific source file.
              *
              */
             std::shared_ptr<obelisk::Lexer> lexer_;
@@ -47,7 +49,8 @@ namespace obelisk
              * @brief Log errors from the LLVM parsing.
              *
              * @param[in] str The error message.
-             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the AST expression that caused the error.
+             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the AST
+             * expression that caused the error.
              */
             std::unique_ptr<obelisk::ExpressionAST> logError(const char* str);
 
@@ -55,70 +58,82 @@ namespace obelisk
              * @brief Log errors from the LLVM parsing involving the prototypes.
              *
              * @param[in] str The error message.
-             * @return std::unique_ptr<obelisk::PrototypeAST> Returns the AST for the prototype.
+             * @return std::unique_ptr<obelisk::PrototypeAST> Returns the AST
+             * for the prototype.
              */
-            std::unique_ptr<obelisk::PrototypeAST> logErrorPrototype(const char* str);
+            std::unique_ptr<obelisk::PrototypeAST> logErrorPrototype(
+                const char* str);
 
             /**
              * @brief The AST expression parser.
              *
-             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the parsed AST expression.
+             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the
+             * parsed AST expression.
              */
             std::unique_ptr<obelisk::ExpressionAST> parseExpression();
 
             /**
              * @brief The AST number expression parser.
              *
-             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the parsed AST expression.
+             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the
+             * parsed AST expression.
              */
             std::unique_ptr<obelisk::ExpressionAST> parseNumberExpression();
 
             /**
              * @brief The AST parenthesis expression parser.
              *
-             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the parsed AST expression.
+             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the
+             * parsed AST expression.
              */
-            std::unique_ptr<obelisk::ExpressionAST> parseParenthesisExpression();
+            std::unique_ptr<obelisk::ExpressionAST>
+                parseParenthesisExpression();
 
             /**
              * @brief The AST identifier expression parser.
              *
-             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the parsed AST expression.
+             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the
+             * parsed AST expression.
              */
             std::unique_ptr<obelisk::ExpressionAST> parseIdentifierExpression();
 
             /**
              * @brief The AST primary expression parser.
              *
-             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the parsed AST expression.
+             * @return std::unique_ptr<obelisk::ExpressionAST> Returns the
+             * parsed AST expression.
              */
             std::unique_ptr<obelisk::ExpressionAST> parsePrimary();
 
             /**
              * @brief The AST prototype parser.
              *
-             * @return std::unique_ptr<obelisk::PrototypeAST> Returns the parsed AST prototype expression.
+             * @return std::unique_ptr<obelisk::PrototypeAST> Returns the parsed
+             * AST prototype expression.
              */
             std::unique_ptr<obelisk::PrototypeAST> parsePrototype();
 
             /**
              * @brief The AST definition parser.
              *
-             * @return std::unique_ptr<obelisk::FunctionAST> Returns the parsed AST definition expression.
+             * @return std::unique_ptr<obelisk::FunctionAST> Returns the parsed
+             * AST definition expression.
              */
             std::unique_ptr<obelisk::FunctionAST> parseDefinition();
 
             /**
              * @brief The AST top level expression parser.
              *
-             * @return std::unique_ptr<obelisk::FunctionAST> Returns the parsed AST top level expression.
+             * @return std::unique_ptr<obelisk::FunctionAST> Returns the parsed
+             * AST top level expression.
              */
             std::unique_ptr<obelisk::FunctionAST> parseTopLevelExpression();
 
             /**
              * @brief The AST external definition parser.
              *
-             * @return std::unique_ptr<obelisk::PrototypeAST> Returns the parsed AST external definition.
+             * @return std::unique_ptr<obelisk::PrototypeAST> Returns the parsed
+             * AST external definition.
              */
             std::unique_ptr<obelisk::PrototypeAST> parseExtern();
 
@@ -147,7 +162,8 @@ namespace obelisk
             /**
              * @brief Construct a new Parser object.
              *
-             * @param[in] lexer The lexer the parser uses to retrieve parts of the language.
+             * @param[in] lexer The lexer the parser uses to retrieve parts of
+             * the language.
              */
             Parser(std::shared_ptr<obelisk::Lexer> lexer) :
                 lexer_(lexer)
@@ -157,7 +173,8 @@ namespace obelisk
             /**
              * @brief Get the Lexer.
              *
-             * @return std::shared_ptr<obelisk::Lexer> Returns the current Lexer in use by the Parser.
+             * @return std::shared_ptr<obelisk::Lexer> Returns the current Lexer
+             * in use by the Parser.
              */
             std::shared_ptr<obelisk::Lexer> getLexer();
 
@@ -183,7 +200,8 @@ namespace obelisk
             int getNextToken();
 
             /**
-             * @brief Parse the SuggestAction and then insert it into the KnowledgeBase.
+             * @brief Parse the SuggestAction and then insert it into the
+             * KnowledgeBase.
              *
              * @param[in] kb The KnowledgeBase to insert the SuggestAction into.
              */
@@ -207,55 +225,66 @@ namespace obelisk
              * @brief Helper used to insert an Entity into the KnowledgeBase.
              *
              * @param[in] kb The KnowledgeBase to use.
-             * @param[in,out] entity The Entity to insert. It will contain the ID of the Entity after inserting it.
+             * @param[in,out] entity The Entity to insert. It will contain the
+             * ID of the Entity after inserting it.
              */
-            void insertEntity(std::unique_ptr<obelisk::KnowledgeBase>& kb, obelisk::Entity& entity);
+            void insertEntity(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+                obelisk::Entity& entity);
 
             /**
              * @brief Helper used to insert a Verb into the KnowledgeBase.
              *
              * @param[in] kb The KnowledegeBase to use.
-             * @param[in,out] verb The Verb to insert. It will contain the ID of the Verb after inserting it.
+             * @param[in,out] verb The Verb to insert. It will contain the ID of
+             * the Verb after inserting it.
              */
-            void insertVerb(std::unique_ptr<obelisk::KnowledgeBase>& kb, obelisk::Verb& verb);
+            void insertVerb(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+                obelisk::Verb& verb);
 
             /**
              * @brief Helper used to insert an Action into the KnowledgeBase.
              *
              * @param[in] kb The KnowledgeBase to use.
-             * @param[in,out] action The Action to insert. It will contain the ID of the Action after inserting it.
+             * @param[in,out] action The Action to insert. It will contain the
+             * ID of the Action after inserting it.
              */
-            void insertAction(std::unique_ptr<obelisk::KnowledgeBase>& kb, obelisk::Action& action);
+            void insertAction(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+                obelisk::Action& action);
 
             /**
              * @brief Helper used to insert a Fact into the KnowledgeBase.
              *
              * @param[in] kb The KnowledgeBase to use.
-             * @param[in,out] fact The Fact to insert. It will contain the ID of the Fact after inserting it.
+             * @param[in,out] fact The Fact to insert. It will contain the ID of
-             * @param[in] updateIsTrue If true, it will update the value of is_true in the KnowledgeBase if the Fact
+             * the Fact after inserting it.
-             * already exists.
+             * @param[in] updateIsTrue If true, it will update the value of
+             * is_true in the KnowledgeBase if the Fact already exists.
              */
             void insertFact(std::unique_ptr<obelisk::KnowledgeBase>& kb,
                 obelisk::Fact& fact,
                 bool updateIsTrue = false);
 
             /**
-             * @brief Helper used to insert a SuggestAction into the KnowledgeBase.
+             * @brief Helper used to insert a SuggestAction into the
+             * KnowledgeBase.
              *
              * @param[in] kb The KnowledgeBase to use.
-             * @param[in,out] suggestAction The SuggestAction to insert. It will contain the ID of the SuggestAction
+             * @param[in,out] suggestAction The SuggestAction to insert. It will
-             * after inserting it.
+             * contain the ID of the SuggestAction after inserting it.
              */
-            void insertSuggestAction(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+            void insertSuggestAction(
+                std::unique_ptr<obelisk::KnowledgeBase>& kb,
                 obelisk::SuggestAction& suggestAction);
 
             /**
              * @brief Helper usedto insert a Rule into the KnowledgeBase.
              *
              * @param[in] kb The KnowledgeBase to use.
-             * @param[in,out] rule The Rule to insert. It will contain the ID of the Rule after inserting it.
+             * @param[in,out] rule The Rule to insert. It will contain the ID of
+             * the Rule after inserting it.
              */
-            void insertRule(std::unique_ptr<obelisk::KnowledgeBase>& kb, obelisk::Rule& rule);
+            void insertRule(std::unique_ptr<obelisk::KnowledgeBase>& kb,
+                obelisk::Rule& rule);
     };
 
     /**