Push interpretation functions to CoreHelpers for later use in TO et al.
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@ -172,6 +172,54 @@ function CoreHelpers.searchDictionaries(e: Environment, token: string): WordInfo
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end
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end
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end
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end
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function selectRecXT(env: Environment): function(Environment)
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local dataStack = env.activeDataStack
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if env.compileState then
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dataStack:pop()
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local selected = dataStack:pop()
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dataStack:pop()
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return selected as function(Environment)
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else
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dataStack:pop()
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dataStack:pop()
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return dataStack:pop() as function(Environment)
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end
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end
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function CoreHelpers.interpreters_outer(env: Environment)
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local dataStack = env.activeDataStack
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CoreHelpers.skipWhitespace(env)
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local token: string | nil = CoreHelpers.parseToken(env)
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if not token then
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env.running = false
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return
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end
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for _, rec in ipairs(env.recognizers) do
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dataStack:push(token)
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rec(env)
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local result = dataStack:pop() as boolean
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if not result then
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token = dataStack:pop() as string
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end
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if result then
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(selectRecXT(env))(env)
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return
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end
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end
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io.write("\""..token.."\"?\n")
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end
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function CoreHelpers.interpreters_inner(env: Environment)
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while(env.running) do
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env.instructionPointer:deref() as function(Environment)(env)
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env.instructionPointer:inc()
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end
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end
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function CoreHelpers.recWord(env: Environment)
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function CoreHelpers.recWord(env: Environment)
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local dataStack = CoreHelpers.getActiveDataStack(env)
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local dataStack = CoreHelpers.getActiveDataStack(env)
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@ -13,62 +13,13 @@ end
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function Interpreters.start(env: Environment)
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function Interpreters.start(env: Environment)
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table.insert(env.dictionaries, CoreWords)
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table.insert(env.dictionaries, CoreWords)
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local interpreterInstructions = {}
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local interpreterInstructions = {}
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table.insert(interpreterInstructions, Interpreters.outer)
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table.insert(interpreterInstructions, helpers.interpreters_outer)
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table.insert(interpreterInstructions, helpers.reset)
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table.insert(interpreterInstructions, helpers.reset)
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table.insert(env.recognizers, helpers.recNumber)
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table.insert(env.recognizers, helpers.recNumber)
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table.insert(env.recognizers, helpers.recWord)
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table.insert(env.recognizers, helpers.recWord)
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local startPointer = Pointer:new()
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local startPointer = Pointer:new()
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startPointer.referant = interpreterInstructions
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startPointer.referant = interpreterInstructions
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env.instructionPointer = startPointer
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env.instructionPointer = startPointer
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Interpreters.inner(env)
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helpers.interpreters_inner(env)
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end
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end
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function selectRecXT(env: Environment): function(Environment)
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local dataStack = env.activeDataStack
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if env.compileState then
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dataStack:pop()
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local selected = dataStack:pop()
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dataStack:pop()
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return selected as function(Environment)
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else
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dataStack:pop()
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dataStack:pop()
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return dataStack:pop() as function(Environment)
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end
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end
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function Interpreters.outer(env: Environment)
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local dataStack = env.activeDataStack
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skipWhitespace(env)
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local token: string | nil = parseToken(env)
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if not token then
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env.running = false
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return
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end
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for _, rec in ipairs(env.recognizers) do
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dataStack:push(token)
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rec(env)
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local result = dataStack:pop() as boolean
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if not result then
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token = dataStack:pop() as string
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end
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if result then
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(selectRecXT(env))(env)
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return
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end
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end
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-- We did not recognize the token.
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io.write("\""..token.."\"?\n")
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end
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function Interpreters.inner(env: Environment)
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while(env.running) do
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env.instructionPointer:deref() as function(Environment)(env)
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env.instructionPointer:inc()
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end
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end
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return Interpreters
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return Interpreters
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