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123 lines
3.5 KiB
Plaintext
123 lines
3.5 KiB
Plaintext
/*
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File: Errors
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*/
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/*
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Class: scriptError
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An error scanning or parsing the source code.
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*/
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/datum/scriptError
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var/message /// A message describing the problem.
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/datum/scriptError/New(msg=null)
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if(msg)message=msg
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/datum/scriptError/BadToken
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message="Unexpected token: "
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var/datum/token/token
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/datum/scriptError/BadToken/New(datum/token/t)
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token=t
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if(t&&t.line) message="[t.line]: [message]"
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if(istype(t))message+="[t.value]"
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else message+="[t]"
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/datum/scriptError/InvalidID
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parent_type=/datum/scriptError/BadToken
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message="Invalid identifier name: "
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/datum/scriptError/ReservedWord
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parent_type=/datum/scriptError/BadToken
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message="Identifer using reserved word: "
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/datum/scriptError/BadNumber
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parent_type=/datum/scriptError/BadToken
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message = "Bad number: "
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/datum/scriptError/BadReturn
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var/datum/token/token
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message = "Unexpected return statement outside of a function."
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/datum/scriptError/BadReturn/New(datum/token/t)
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src.token=t
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/datum/scriptError/EndOfFile
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message = "Unexpected end of file."
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/datum/scriptError/ExpectedToken
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message="Expected: '"
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/datum/scriptError/ExpectedToken/New(id, datum/token/T)
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if(T && T.line) message="[T.line]: [message]"
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message+="[id]'. "
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if(T)message+="Found '[T.value]'."
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/datum/scriptError/UnterminatedComment
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message="Unterminated multi-line comment statement: expected */"
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/datum/scriptError/DuplicateFunction
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message="Function defined twice."
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/datum/scriptError/DuplicateFunction/New(name, datum/token/t)
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message="Function '[name]' defined twice."
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/*
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Class: runtimeError
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An error thrown by the interpreter in running the script.
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*/
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/datum/runtimeError
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var/name
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var/message /// A basic description as to what went wrong.
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var/datum/stack/stack
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/**
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* Proc: ToString
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* Returns a description of the error suitable for showing to the user.
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*/
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/datum/runtimeError/proc/ToString()
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. = "[name]: [message]"
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if(!stack.Top()) return
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.+="\nStack:"
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while(stack.Top())
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var/datum/node/statement/FunctionCall/stmt=stack.Pop()
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. += "\n\t [stmt.func_name]()"
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/datum/runtimeError/TypeMismatch
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name="TypeMismatchError"
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/datum/runtimeError/TypeMismatch/New(op, a, b)
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message="Type mismatch: '[a]' [op] '[b]'"
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/datum/runtimeError/UnexpectedReturn
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name="UnexpectedReturnError"
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message="Unexpected return statement."
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/datum/runtimeError/UnknownInstruction
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name="UnknownInstructionError"
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message="Unknown instruction type. This may be due to incompatible compiler and interpreter versions or a lack of implementation."
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/datum/runtimeError/UndefinedVariable
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name="UndefinedVariableError"
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/datum/runtimeError/UndefinedVariable/New(variable)
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message="Variable '[variable]' has not been declared."
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/datum/runtimeError/UndefinedFunction
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name="UndefinedFunctionError"
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/datum/runtimeError/UndefinedFunction/New(function)
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message="Function '[function]()' has not been defined."
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/datum/runtimeError/DuplicateVariableDeclaration
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name="DuplicateVariableError"
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/datum/runtimeError/DuplicateVariableDeclaration/New(variable)
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message="Variable '[variable]' was already declared."
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/datum/runtimeError/IterationLimitReached
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name="MaxIterationError"
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message="A loop has reached its maximum number of iterations."
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/datum/runtimeError/RecursionLimitReached
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name="MaxRecursionError"
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message="The maximum amount of recursion has been reached."
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/datum/runtimeError/DivisionByZero
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name="DivideByZeroError"
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message="Division by zero attempted."
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/datum/runtimeError/MaxCPU
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name="MaxComputationalUse"
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message="Maximum amount of computational cycles reached (>= 1000)."
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