mirror of
https://github.com/vgstation-coders/vgstation13.git
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168 lines
4.0 KiB
Plaintext
168 lines
4.0 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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/*
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Var: message
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A message describing the problem.
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*/
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var/message
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/datum/scriptError/New(msg = null)
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if(msg)
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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)
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message = "[t.line]: [message]"
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if(istype(t))
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message += "[t.value]"
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else
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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)
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message = "[T.line]: [message]"
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message += "[id]'. "
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if(T)
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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/New(name, datum/token/t)
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message = "Function '[name]' defined twice."
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/datum/scriptError/ParameterFunction
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message = "You cannot use a function inside a parameter."
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/datum/scriptError/ParameterFunction/New(datum/token/t)
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var/line = "?"
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if(t)
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line = t.line
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message = "[line]: [message]"
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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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/*
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Var: message
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A basic description as to what went wrong.
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*/
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var/message
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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())
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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/TypeMismatch/unary/New(op, a)
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message = "Type mismatch: [op]'[a]'"
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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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/datum/runtimeError/VectorLimit
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name = "VectorSizeOverflow"
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message = "Maximum vector size reached"
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/datum/runtimeError/StringLimit
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name = "StringSizeOverflow"
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message = "Maximum string size reached"
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