Files
vgstation13/code/modules/scripting/Errors.dm
2013-08-14 15:42:23 -07:00

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