Put the "inheritModule" function into the Helpers module

Author: bytexenon

src/Evaluator/Evaluator.lua

@@ -1,10 +1,15 @@
 --[[
   Name: Evaluator.lua
   Author: ByteXenon [Luna Gilbert]
-  Date: 2024-05-21
+  Date: 2024-06-14
 --]]
 
+--* Dependencies *--
+local Helpers = require("Helpers/Helpers")
+
 --* Imports *--
+local inheritModule = Helpers.inheritModule
+
 local unpack = (unpack or table.unpack)
 local insert = table.insert
 
@@ -159,17 +164,8 @@ function Evaluator:new(expression, variables, operatorFunctions, functions)
   EvaluatorInstance.operatorFunctions = operatorFunctions or DEFAULT_OPERATOR_FUNCTIONS
   EvaluatorInstance.functions = functions or {}
 
-  local function inheritModule(moduleName, moduleTable)
-    for index, value in pairs(moduleTable) do
-      if EvaluatorInstance[index] then
-        return error("Conflicting names in " .. moduleName .. " and EvaluatorInstance: " .. index)
-      end
-      EvaluatorInstance[index] = value
-    end
-  end
-
   -- Main
-  inheritModule("EvaluatorMethods", EvaluatorMethods)
+  inheritModule("EvaluatorInstance", EvaluatorInstance, "EvaluatorMethods", EvaluatorMethods)
 
   return EvaluatorInstance
 end

src/Helpers/Helpers.lua

@@ -69,4 +69,19 @@ function Helpers.makeTrie(table)
   return trieTable
 end
 
+--- Inherit a module into another module.
+-- @param <String> parentModuleName The name of the parent module.
+-- @param <Table> parentModule The table of the parent module.
+-- @param <String> moduleName The name of the module to inherit.
+-- @param <Table> moduleTable The table of the module to inherit.
+function Helpers.inheritModule(parentModuleName, parentModule, moduleName, moduleTable)
+  for index, value in pairs(moduleTable) do
+    if parentModule[index] then
+      local errorMessage = ("Conflicting names in %s and %s: %s"):format(parentModuleName, moduleName, index)
+      return error(errorMessage)
+    end
+    parentModule[index] = value
+  end
+end
+
 return Helpers

src/Lexer/Lexer.lua

@@ -12,6 +12,7 @@ local TokenFactory = require("Lexer/TokenFactory")
 local makeTrie                 = Helpers.makeTrie
 local stringToTable            = Helpers.stringToTable
 local createPatternLookupTable = Helpers.createPatternLookupTable
+local inheritModule            = Helpers.inheritModule
 
 local concat = table.concat
 local insert = table.insert
@@ -338,17 +339,8 @@ function Lexer:new(expression, operators, charPos)
     LexerInstance.operatorsTrie = DEFAULT_OPERATORS_TRIE
   end
 
-  local function inheritModule(moduleName, moduleTable)
-    for index, value in pairs(moduleTable) do
-      if LexerInstance[index] then
-        return error("Conflicting names in " .. moduleName .. " and LexerInstance: " .. index)
-      end
-      LexerInstance[index] = value
-    end
-  end
-
   -- Main
-  inheritModule("LexerMethods", LexerMethods)
+  inheritModule("LexerInstance", LexerInstance, "LexerMethods" , LexerMethods)
 
   return LexerInstance
 end

src/MathParser.lua

@@ -1,7 +1,7 @@
 --[[
   Name: MathParser.lua
   Author: ByteXenon [Luna Gilbert]
-  Date: 2024-04-25
+  Date: 2024-06-14
 --]]
 
 local scriptPath, requirePath, localPath, oldPath
@@ -15,9 +15,13 @@ if not LUAXEN_PACKER then
 end
 
 --* Dependencies *--
+local Helpers   = require("Helpers/Helpers")
 local Evaluator = require("Evaluator/Evaluator")
-local Lexer = require("Lexer/Lexer")
-local Parser = require("Parser/Parser")
+local Lexer     = require("Lexer/Lexer")
+local Parser    = require("Parser/Parser")
+
+--* Imports *--
+local inheritModule = Helpers.inheritModule
 
 --* MathParserMethods *--
 local MathParserMethods = {}
@@ -157,17 +161,8 @@ function MathParser:new(operatorPrecedenceLevels, variables, operatorFunctions,
   MathParserInstance.Parser = Parser:new(nil, operatorPrecedenceLevels)
   MathParserInstance.Evaluator = Evaluator:new(nil, variables, operatorFunctions, functions)
 
-  local function inheritModule(moduleName, moduleTable)
-    for index, value in pairs(moduleTable) do
-      if MathParserInstance[index] then
-        return error("Conflicting names in " .. moduleName .. " and MathParserInstance: " .. index)
-      end
-      MathParserInstance[index] = value
-    end
-  end
-
   -- Main
-  inheritModule("MathParserMethods", MathParserMethods)
+  inheritModule("MathParserInstance", MathParserInstance, "MathParserMethods", MathParserMethods)
 
   return MathParserInstance
 end

src/Parser/Parser.lua

@@ -1,7 +1,7 @@
 --[[
   Name: Parser.lua
   Author: ByteXenon [Luna Gilbert]
-  Date: 2024-05-21
+  Date: 2024-06-14
 --]]
 
 --* Dependencies *--
@@ -10,6 +10,8 @@ local NodeFactory = require("Parser/NodeFactory")
 
 --* Imports *--
 local stringToTable = Helpers.stringToTable
+local inheritModule = Helpers.inheritModule
+
 local insert = table.insert
 local concat = table.concat
 local max = math.max
@@ -292,17 +294,8 @@ function Parser:new(tokens, operatorPrecedenceLevels, tokenIndex, expression)
   ParserInstance.operatorPrecedenceLevels = operatorPrecedenceLevels or DEFAULT_OPERATOR_PRECEDENCE_LEVELS
   ParserInstance.charStream = (type(expression) == "string" and stringToTable(expression)) or expression
 
-  local function inheritModule(moduleName, moduleTable)
-    for index, value in pairs(moduleTable) do
-      if ParserInstance[index] then
-        return error("Conflicting names in " .. moduleName .. " and ParserInstance: " .. index)
-      end
-      ParserInstance[index] = value
-    end
-  end
-
   -- Main
-  inheritModule("ParserMethods", ParserMethods)
+  inheritModule("ParserInstance", ParserInstance, "ParserMethods", ParserMethods)
 
   return ParserInstance
 end