mirror of
https://github.com/CHOMPStation2/CHOMPStation2.git
synced 2025-12-11 18:53:06 +00:00
[MIRROR] Linter diagnostics + bans non-var relative pathing
This commit is contained in:
Chompstation Bot
@@ -1,169 +1,167 @@
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/proc/isobject(x)
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return (istype(x, /datum) || istype(x, /list) || istype(x, /savefile) || istype(x, /client) || (x==world))
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return !(isnum(x) || istext(x))
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/n_Interpreter
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proc
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Eval(node/expression/exp)
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if(istype(exp, /node/expression/FunctionCall))
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return RunFunction(exp)
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else if(istype(exp, /node/expression/operator))
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return EvalOperator(exp)
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else if(istype(exp, /node/expression/value/literal))
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var/node/expression/value/literal/lit=exp
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return lit.value
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else if(istype(exp, /node/expression/value/reference))
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var/node/expression/value/reference/ref=exp
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return ref.value
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else if(istype(exp, /node/expression/value/variable))
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var/node/expression/value/variable/v=exp
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if(!v.object)
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return Eval(GetVariable(v.id.id_name))
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else
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var/datum/D
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if(istype(v.object, /node/identifier))
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D=GetVariable(v.object:id_name)
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else
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D=v.object
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D=Eval(D)
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if(!isobject(D))
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return null
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if(!D.vars.Find(v.id.id_name))
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RaiseError(new/runtimeError/UndefinedVariable("[v.object.ToString()].[v.id.id_name]"))
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return null
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return Eval(D.vars[v.id.id_name])
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else if(istype(exp, /node/expression))
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/n_Interpreter/proc/Eval(node/expression/exp)
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if(istype(exp, /node/expression/FunctionCall))
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return RunFunction(exp)
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else if(istype(exp, /node/expression/operator))
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return EvalOperator(exp)
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else if(istype(exp, /node/expression/value/literal))
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var/node/expression/value/literal/lit=exp
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return lit.value
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else if(istype(exp, /node/expression/value/reference))
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var/node/expression/value/reference/ref=exp
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return ref.value
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else if(istype(exp, /node/expression/value/variable))
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var/node/expression/value/variable/v=exp
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if(!v.object)
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return Eval(GetVariable(v.id.id_name))
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else
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var/datum/D
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if(istype(v.object, /node/identifier))
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D=GetVariable(v.object:id_name)
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else
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D=v.object
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D=Eval(D)
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if(!isobject(D))
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return null
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if(!D.vars.Find(v.id.id_name))
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RaiseError(new/runtimeError/UndefinedVariable("[v.object.ToString()].[v.id.id_name]"))
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return null
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return Eval(D.vars[v.id.id_name])
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else if(istype(exp, /node/expression))
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RaiseError(new/runtimeError/UnknownInstruction())
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else
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return exp
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/n_Interpreter/proc/EvalOperator(node/expression/operator/exp)
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if(istype(exp, /node/expression/operator/binary))
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var/node/expression/operator/binary/bin=exp
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switch(bin.type)
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if(/node/expression/operator/binary/Equal)
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return Equal(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/NotEqual)
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return NotEqual(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Greater)
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return Greater(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Less)
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return Less(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/GreaterOrEqual)
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return GreaterOrEqual(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/LessOrEqual)
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return LessOrEqual(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/LogicalAnd)
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return LogicalAnd(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/LogicalOr)
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return LogicalOr(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/LogicalXor)
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return LogicalXor(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/BitwiseAnd)
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return BitwiseAnd(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/BitwiseOr)
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return BitwiseOr(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/BitwiseXor)
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return BitwiseXor(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Add)
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return Add(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Subtract)
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return Subtract(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Multiply)
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return Multiply(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Divide)
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return Divide(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Power)
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return Power(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Modulo)
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return Modulo(Eval(bin.exp), Eval(bin.exp2))
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else
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RaiseError(new/runtimeError/UnknownInstruction())
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else
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return exp
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EvalOperator(node/expression/operator/exp)
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if(istype(exp, /node/expression/operator/binary))
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var/node/expression/operator/binary/bin=exp
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switch(bin.type)
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if(/node/expression/operator/binary/Equal)
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return Equal(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/NotEqual)
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return NotEqual(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Greater)
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return Greater(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Less)
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return Less(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/GreaterOrEqual)
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return GreaterOrEqual(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/LessOrEqual)
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return LessOrEqual(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/LogicalAnd)
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return LogicalAnd(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/LogicalOr)
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return LogicalOr(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/LogicalXor)
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return LogicalXor(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/BitwiseAnd)
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return BitwiseAnd(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/BitwiseOr)
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return BitwiseOr(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/BitwiseXor)
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return BitwiseXor(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Add)
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return Add(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Subtract)
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return Subtract(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Multiply)
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return Multiply(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Divide)
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return Divide(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Power)
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return Power(Eval(bin.exp), Eval(bin.exp2))
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if(/node/expression/operator/binary/Modulo)
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return Modulo(Eval(bin.exp), Eval(bin.exp2))
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else
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RaiseError(new/runtimeError/UnknownInstruction())
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else
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switch(exp.type)
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if(/node/expression/operator/unary/Minus)
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return Minus(Eval(exp.exp))
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if(/node/expression/operator/unary/LogicalNot)
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return LogicalNot(Eval(exp.exp))
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if(/node/expression/operator/unary/BitwiseNot)
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return BitwiseNot(Eval(exp.exp))
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if(/node/expression/operator/unary/group)
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return Eval(exp.exp)
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else
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RaiseError(new/runtimeError/UnknownInstruction())
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return
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switch(exp.type)
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if(/node/expression/operator/unary/Minus)
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return Minus(Eval(exp.exp))
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if(/node/expression/operator/unary/LogicalNot)
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return LogicalNot(Eval(exp.exp))
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if(/node/expression/operator/unary/BitwiseNot)
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return BitwiseNot(Eval(exp.exp))
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if(/node/expression/operator/unary/group)
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return Eval(exp.exp)
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else
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RaiseError(new/runtimeError/UnknownInstruction())
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//Binary//
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//Comparison operators
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Equal(a, b) return a==b
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NotEqual(a, b) return a!=b //LogicalNot(Equal(a, b))
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Greater(a, b) return a>b
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Less(a, b) return a<b
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GreaterOrEqual(a, b)return a>=b
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LessOrEqual(a, b) return a<=b
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//Logical Operators
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LogicalAnd(a, b) return a&&b
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LogicalOr(a, b) return a||b
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LogicalXor(a, b) return (a||b) && !(a&&b)
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//Bitwise Operators
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BitwiseAnd(a, b) return a&b
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BitwiseOr(a, b) return a|b
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BitwiseXor(a, b) return a^b
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//Arithmetic Operators
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Add(a, b)
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if(istext(a)&&!istext(b)) b="[b]"
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else if(istext(b)&&!istext(a)) a="[a]"
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("+", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("+", a, b))
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return null
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return a+b
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Subtract(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("-", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("-", a, b))
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return null
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return a-b
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Divide(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("/", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("/", a, b))
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return null
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if(b==0)
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RaiseError(new/runtimeError/DivisionByZero())
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return null
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return a/b
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Multiply(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("*", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("*", a, b))
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return null
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return a*b
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Modulo(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("%", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("%", a, b))
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return null
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return a%b
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Power(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("**", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("**", a, b))
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return null
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return a**b
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//Binary//
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//Comparison operators
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/n_Interpreter/proc/Equal(a, b) return a==b
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/n_Interpreter/proc/NotEqual(a, b) return a!=b //LogicalNot(Equal(a, b))
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/n_Interpreter/proc/Greater(a, b) return a>b
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/n_Interpreter/proc/Less(a, b) return a<b
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/n_Interpreter/proc/GreaterOrEqual(a, b) return a>=b
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/n_Interpreter/proc/LessOrEqual(a, b) return a<=b
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//Logical Operators
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/n_Interpreter/proc/LogicalAnd(a, b) return a&&b
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/n_Interpreter/proc/LogicalOr(a, b) return a||b
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/n_Interpreter/proc/LogicalXor(a, b) return (a||b) && !(a&&b)
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//Bitwise Operators
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/n_Interpreter/proc/BitwiseAnd(a, b) return a&b
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/n_Interpreter/proc/BitwiseOr(a, b) return a|b
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/n_Interpreter/proc/BitwiseXor(a, b) return a^b
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//Arithmetic Operators
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/n_Interpreter/proc/Add(a, b)
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if(istext(a)&&!istext(b)) b="[b]"
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else if(istext(b)&&!istext(a)) a="[a]"
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("+", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("+", a, b))
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return null
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return a+b
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/n_Interpreter/proc/Subtract(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("-", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("-", a, b))
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return null
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return a-b
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/n_Interpreter/proc/Divide(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("/", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("/", a, b))
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return null
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if(b==0)
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RaiseError(new/runtimeError/DivisionByZero())
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return null
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return a/b
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/n_Interpreter/proc/Multiply(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("*", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("*", a, b))
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return null
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return a*b
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/n_Interpreter/proc/Modulo(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("%", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("%", a, b))
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return null
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return a%b
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/n_Interpreter/proc/Power(a, b)
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if(isobject(a) && !isobject(b))
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RaiseError(new/runtimeError/TypeMismatch("**", a, b))
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return null
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else if(isobject(b) && !isobject(a))
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RaiseError(new/runtimeError/TypeMismatch("**", a, b))
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return null
|
||||
return a**b
|
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||||
//Unary//
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||||
Minus(a) return -a
|
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LogicalNot(a) return !a
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BitwiseNot(a) return ~a
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||||
//Unary//
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/n_Interpreter/proc/Minus(a) return -a
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/n_Interpreter/proc/LogicalNot(a) return !a
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/n_Interpreter/proc/BitwiseNot(a) return ~a
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@@ -6,9 +6,7 @@
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Class: n_Interpreter
|
||||
Procedures allowing for interaction with the script that is being run by the interpreter object.
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*/
|
||||
|
||||
/n_Interpreter
|
||||
proc
|
||||
|
||||
/*
|
||||
Proc: Load
|
||||
@@ -17,22 +15,22 @@
|
||||
Parameters:
|
||||
program - A <GlobalBlock> object which represents the script's global scope.
|
||||
*/
|
||||
Load(node/BlockDefinition/GlobalBlock/program)
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||||
ASSERT(program)
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||||
src.program = program
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CreateGlobalScope()
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/n_Interpreter/proc/Load(node/BlockDefinition/GlobalBlock/program)
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||||
ASSERT(program)
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||||
src.program = program
|
||||
CreateGlobalScope()
|
||||
|
||||
/*
|
||||
Proc: Run
|
||||
Runs the script.
|
||||
*/
|
||||
Run()
|
||||
cur_recursion = 0 // reset recursion
|
||||
cur_statements = 0 // reset CPU tracking
|
||||
alertadmins = 0
|
||||
/n_Interpreter/proc/Run()
|
||||
cur_recursion = 0 // reset recursion
|
||||
cur_statements = 0 // reset CPU tracking
|
||||
alertadmins = 0
|
||||
|
||||
ASSERT(src.program)
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||||
RunBlock(src.program)
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||||
ASSERT(src.program)
|
||||
RunBlock(src.program)
|
||||
|
||||
/*
|
||||
Proc: SetVar
|
||||
@@ -45,11 +43,11 @@
|
||||
See Also:
|
||||
- <Block.SetVar()>
|
||||
*/
|
||||
SetVar(name, value)
|
||||
if(!istext(name))
|
||||
//CRASH("Invalid variable name")
|
||||
return
|
||||
AssignVariable(name, value)
|
||||
/n_Interpreter/proc/SetVar(name, value)
|
||||
if(!istext(name))
|
||||
//CRASH("Invalid variable name")
|
||||
return
|
||||
AssignVariable(name, value)
|
||||
|
||||
/*
|
||||
Proc: SetProc
|
||||
@@ -61,40 +59,40 @@
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||||
object - (Optional) An object which will the be target of a function call.
|
||||
params - Only required if object is not null, a list of the names of parameters the proc takes.
|
||||
*/
|
||||
SetProc(name, path, object=null, list/params=null)
|
||||
if(!istext(name))
|
||||
//CRASH("Invalid function name")
|
||||
return
|
||||
if(!object)
|
||||
globalScope.functions[name] = path
|
||||
else
|
||||
var/node/statement/FunctionDefinition/S = new()
|
||||
S.func_name = name
|
||||
S.parameters = params
|
||||
S.block = new()
|
||||
S.block.SetVar("src", object)
|
||||
var/node/expression/FunctionCall/C = new()
|
||||
C.func_name = path
|
||||
C.object = new("src")
|
||||
for(var/p in params)
|
||||
C.parameters += new/node/expression/value/variable(p)
|
||||
var/node/statement/ReturnStatement/R=new()
|
||||
R.value=C
|
||||
S.block.statements += R
|
||||
globalScope.functions[name] = S
|
||||
/n_Interpreter/proc/SetProc(name, path, object=null, list/params=null)
|
||||
if(!istext(name))
|
||||
//CRASH("Invalid function name")
|
||||
return
|
||||
if(!object)
|
||||
globalScope.functions[name] = path
|
||||
return
|
||||
var/node/statement/FunctionDefinition/S = new()
|
||||
S.func_name = name
|
||||
S.parameters = params
|
||||
S.block = new()
|
||||
S.block.SetVar("src", object)
|
||||
var/node/expression/FunctionCall/C = new()
|
||||
C.func_name = path
|
||||
C.object = new("src")
|
||||
for(var/p in params)
|
||||
C.parameters += new/node/expression/value/variable(p)
|
||||
var/node/statement/ReturnStatement/R=new()
|
||||
R.value=C
|
||||
S.block.statements += R
|
||||
globalScope.functions[name] = S
|
||||
/*
|
||||
Proc: VarExists
|
||||
Checks whether a global variable with the specified name exists.
|
||||
*/
|
||||
VarExists(name)
|
||||
return globalScope.variables.Find(name) //convert to 1/0 first?
|
||||
/n_Interpreter/proc/VarExists(name)
|
||||
return globalScope.variables.Find(name) //convert to 1/0 first?
|
||||
|
||||
/*
|
||||
Proc: ProcExists
|
||||
Checks whether a global function with the specified name exists.
|
||||
*/
|
||||
ProcExists(name)
|
||||
return globalScope.functions.Find(name)
|
||||
/n_Interpreter/proc/ProcExists(name)
|
||||
return globalScope.functions.Find(name)
|
||||
|
||||
/*
|
||||
Proc: GetVar
|
||||
@@ -103,12 +101,12 @@
|
||||
See Also:
|
||||
- <VarExists()>
|
||||
*/
|
||||
GetVar(name)
|
||||
if(!VarExists(name))
|
||||
//CRASH("No variable named '[name]'.")
|
||||
return
|
||||
var/x = globalScope.variables[name]
|
||||
return Eval(x)
|
||||
/n_Interpreter/proc/GetVar(name)
|
||||
if(!VarExists(name))
|
||||
//CRASH("No variable named '[name]'.")
|
||||
return
|
||||
var/x = globalScope.variables[name]
|
||||
return Eval(x)
|
||||
|
||||
/*
|
||||
Proc: CallProc
|
||||
@@ -118,19 +116,19 @@
|
||||
See Also:
|
||||
- <ProcExists()>
|
||||
*/
|
||||
CallProc(name, params[]=null)
|
||||
if(!ProcExists(name))
|
||||
//CRASH("No function named '[name]'.")
|
||||
return
|
||||
var/node/statement/FunctionDefinition/func = globalScope.functions[name]
|
||||
if(istype(func))
|
||||
var/node/statement/FunctionCall/stmt = new
|
||||
stmt.func_name = func.func_name
|
||||
stmt.parameters = params
|
||||
return RunFunction(stmt)
|
||||
else
|
||||
return call(func)(arglist(params))
|
||||
//CRASH("Unknown function type '[name]'.")
|
||||
/n_Interpreter/proc/CallProc(name, params[]=null)
|
||||
if(!ProcExists(name))
|
||||
//CRASH("No function named '[name]'.")
|
||||
return
|
||||
var/node/statement/FunctionDefinition/func = globalScope.functions[name]
|
||||
if(istype(func))
|
||||
var/node/statement/FunctionCall/stmt = new
|
||||
stmt.func_name = func.func_name
|
||||
stmt.parameters = params
|
||||
return RunFunction(stmt)
|
||||
else
|
||||
return call(func)(arglist(params))
|
||||
//CRASH("Unknown function type '[name]'.")
|
||||
|
||||
/*
|
||||
Event: HandleError
|
||||
@@ -139,4 +137,4 @@
|
||||
See Also:
|
||||
- <runtimeError>
|
||||
*/
|
||||
HandleError(runtimeError/e)
|
||||
/n_Interpreter/proc/HandleError(runtimeError/e)
|
||||
@@ -14,301 +14,296 @@
|
||||
#define BREAKING 2
|
||||
#define CONTINUING 4
|
||||
/n_Interpreter
|
||||
var
|
||||
scope
|
||||
curScope
|
||||
globalScope
|
||||
node
|
||||
BlockDefinition/program
|
||||
statement/FunctionDefinition/curFunction
|
||||
stack
|
||||
scopes = new()
|
||||
functions = new()
|
||||
var/scope/curScope
|
||||
var/scope/globalScope
|
||||
var/node/BlockDefinition/program
|
||||
var/node/statement/FunctionDefinition/curFunction
|
||||
var/stack/scopes = new()
|
||||
var/stack/functions = new()
|
||||
|
||||
datum/container // associated container for interpeter
|
||||
var/datum/container // associated container for interpeter
|
||||
/*
|
||||
Var: status
|
||||
A variable indicating that the rest of the current block should be skipped. This may be set to any combination of <Status Macros>.
|
||||
*/
|
||||
status=0
|
||||
returnVal
|
||||
var/status=0
|
||||
var/returnVal
|
||||
|
||||
max_statements=1000 // maximum amount of statements that can be called in one execution. this is to prevent massive crashes and exploitation
|
||||
cur_statements=0 // current amount of statements called
|
||||
alertadmins=0 // set to 1 if the admins shouldn't be notified of anymore issues
|
||||
max_iterations=100 // max number of uninterrupted loops possible
|
||||
max_recursion=50 // max recursions without returning anything (or completing the code block)
|
||||
cur_recursion=0 // current amount of recursion
|
||||
var/max_statements=1000 // maximum amount of statements that can be called in one execution. this is to prevent massive crashes and exploitation
|
||||
var/cur_statements=0 // current amount of statements called
|
||||
var/alertadmins=0 // set to 1 if the admins shouldn't be notified of anymore issues
|
||||
var/max_iterations=100 // max number of uninterrupted loops possible
|
||||
var/max_recursion=50 // max recursions without returning anything (or completing the code block)
|
||||
var/cur_recursion=0 // current amount of recursion
|
||||
/*
|
||||
Var: persist
|
||||
If 0, global variables will be reset after Run() finishes.
|
||||
*/
|
||||
persist=1
|
||||
paused=0
|
||||
var/persist=1
|
||||
var/paused=0
|
||||
|
||||
/*
|
||||
Constructor: New
|
||||
Calls <Load()> with the given parameters.
|
||||
*/
|
||||
New(node/BlockDefinition/GlobalBlock/program=null)
|
||||
.=..()
|
||||
if(program)Load(program)
|
||||
/n_Interpreter/New(node/BlockDefinition/GlobalBlock/program=null)
|
||||
.=..()
|
||||
if(program)Load(program)
|
||||
|
||||
proc
|
||||
/*
|
||||
Proc: RaiseError
|
||||
Raises a runtime error.
|
||||
*/
|
||||
RaiseError(runtimeError/e)
|
||||
e.stack=functions.Copy()
|
||||
e.stack.Push(curFunction)
|
||||
src.HandleError(e)
|
||||
/n_Interpreter/proc/RaiseError(runtimeError/e)
|
||||
e.stack=functions.Copy()
|
||||
e.stack.Push(curFunction)
|
||||
src.HandleError(e)
|
||||
|
||||
CreateScope(node/BlockDefinition/B)
|
||||
var/scope/S = new(B, curScope)
|
||||
scopes.Push(curScope)
|
||||
curScope = S
|
||||
return S
|
||||
/n_Interpreter/proc/CreateScope(node/BlockDefinition/B)
|
||||
var/scope/S = new(B, curScope)
|
||||
scopes.Push(curScope)
|
||||
curScope = S
|
||||
return S
|
||||
|
||||
CreateGlobalScope()
|
||||
scopes.Clear()
|
||||
var/scope/S = new(program, null)
|
||||
globalScope = S
|
||||
return S
|
||||
/n_Interpreter/proc/CreateGlobalScope()
|
||||
scopes.Clear()
|
||||
var/scope/S = new(program, null)
|
||||
globalScope = S
|
||||
return S
|
||||
|
||||
/*
|
||||
Proc: RunBlock
|
||||
Runs each statement in a block of code.
|
||||
Proc: RunBlock
|
||||
Runs each statement in a block of code.
|
||||
*/
|
||||
RunBlock(node/BlockDefinition/Block, scope/scope = null)
|
||||
var/is_global = istype(Block, /node/BlockDefinition/GlobalBlock)
|
||||
if(!is_global)
|
||||
if(scope)
|
||||
curScope = scope
|
||||
/n_Interpreter/proc/RunBlock(node/BlockDefinition/Block, scope/scope = null)
|
||||
var/is_global = istype(Block, /node/BlockDefinition/GlobalBlock)
|
||||
if(!is_global)
|
||||
if(scope)
|
||||
curScope = scope
|
||||
else
|
||||
CreateScope(Block)
|
||||
else
|
||||
if(!persist)
|
||||
CreateGlobalScope()
|
||||
curScope = globalScope
|
||||
|
||||
if(cur_statements < max_statements)
|
||||
|
||||
for(var/node/statement/S in Block.statements)
|
||||
while(paused) sleep(10)
|
||||
|
||||
cur_statements++
|
||||
if(cur_statements >= max_statements)
|
||||
RaiseError(new/runtimeError/MaxCPU())
|
||||
|
||||
if(container && !alertadmins)
|
||||
if(istype(container, /datum/TCS_Compiler))
|
||||
var/datum/TCS_Compiler/Compiler = container
|
||||
var/obj/machinery/telecomms/server/Holder = Compiler.Holder
|
||||
var/message = "Potential crash-inducing NTSL script detected at telecommunications server [Compiler.Holder] ([Holder.x], [Holder.y], [Holder.z])."
|
||||
|
||||
alertadmins = 1
|
||||
message_admins(message, 1)
|
||||
break
|
||||
|
||||
if(istype(S, /node/statement/VariableAssignment))
|
||||
var/node/statement/VariableAssignment/stmt = S
|
||||
var/name = stmt.var_name.id_name
|
||||
if(!stmt.object)
|
||||
// Below we assign the variable first to null if it doesn't already exist.
|
||||
// This is necessary for assignments like +=, and when the variable is used in a function
|
||||
// If the variable already exists in a different block, then AssignVariable will automatically use that one.
|
||||
if(!IsVariableAccessible(name))
|
||||
AssignVariable(name, null)
|
||||
AssignVariable(name, Eval(stmt.value))
|
||||
else
|
||||
CreateScope(Block)
|
||||
var/datum/D = Eval(GetVariable(stmt.object.id_name))
|
||||
if(!D) return
|
||||
D.vars[stmt.var_name.id_name] = Eval(stmt.value)
|
||||
else if(istype(S, /node/statement/VariableDeclaration))
|
||||
//VariableDeclaration nodes are used to forcibly declare a local variable so that one in a higher scope isn't used by default.
|
||||
var/node/statement/VariableDeclaration/dec=S
|
||||
if(!dec.object)
|
||||
AssignVariable(dec.var_name.id_name, null, curScope)
|
||||
else
|
||||
var/datum/D = Eval(GetVariable(dec.object.id_name))
|
||||
if(!D) return
|
||||
D.vars[dec.var_name.id_name] = null
|
||||
else if(istype(S, /node/statement/FunctionCall))
|
||||
RunFunction(S)
|
||||
else if(istype(S, /node/statement/FunctionDefinition))
|
||||
//do nothing
|
||||
else if(istype(S, /node/statement/WhileLoop))
|
||||
RunWhile(S)
|
||||
else if(istype(S, /node/statement/IfStatement))
|
||||
RunIf(S)
|
||||
else if(istype(S, /node/statement/ReturnStatement))
|
||||
if(!curFunction)
|
||||
RaiseError(new/runtimeError/UnexpectedReturn())
|
||||
continue
|
||||
status |= RETURNING
|
||||
returnVal=Eval(S:value)
|
||||
break
|
||||
else if(istype(S, /node/statement/BreakStatement))
|
||||
status |= BREAKING
|
||||
break
|
||||
else if(istype(S, /node/statement/ContinueStatement))
|
||||
status |= CONTINUING
|
||||
break
|
||||
else
|
||||
if(!persist)
|
||||
CreateGlobalScope()
|
||||
curScope = globalScope
|
||||
RaiseError(new/runtimeError/UnknownInstruction())
|
||||
if(status)
|
||||
break
|
||||
|
||||
if(cur_statements < max_statements)
|
||||
|
||||
for(var/node/statement/S in Block.statements)
|
||||
while(paused) sleep(10)
|
||||
|
||||
cur_statements++
|
||||
if(cur_statements >= max_statements)
|
||||
RaiseError(new/runtimeError/MaxCPU())
|
||||
|
||||
if(container && !alertadmins)
|
||||
if(istype(container, /datum/TCS_Compiler))
|
||||
var/datum/TCS_Compiler/Compiler = container
|
||||
var/obj/machinery/telecomms/server/Holder = Compiler.Holder
|
||||
var/message = "Potential crash-inducing NTSL script detected at telecommunications server [Compiler.Holder] ([Holder.x], [Holder.y], [Holder.z])."
|
||||
|
||||
alertadmins = 1
|
||||
message_admins(message, 1)
|
||||
break
|
||||
|
||||
if(istype(S, /node/statement/VariableAssignment))
|
||||
var/node/statement/VariableAssignment/stmt = S
|
||||
var/name = stmt.var_name.id_name
|
||||
if(!stmt.object)
|
||||
// Below we assign the variable first to null if it doesn't already exist.
|
||||
// This is necessary for assignments like +=, and when the variable is used in a function
|
||||
// If the variable already exists in a different block, then AssignVariable will automatically use that one.
|
||||
if(!IsVariableAccessible(name))
|
||||
AssignVariable(name, null)
|
||||
AssignVariable(name, Eval(stmt.value))
|
||||
else
|
||||
var/datum/D = Eval(GetVariable(stmt.object.id_name))
|
||||
if(!D) return
|
||||
D.vars[stmt.var_name.id_name] = Eval(stmt.value)
|
||||
else if(istype(S, /node/statement/VariableDeclaration))
|
||||
//VariableDeclaration nodes are used to forcibly declare a local variable so that one in a higher scope isn't used by default.
|
||||
var/node/statement/VariableDeclaration/dec=S
|
||||
if(!dec.object)
|
||||
AssignVariable(dec.var_name.id_name, null, curScope)
|
||||
else
|
||||
var/datum/D = Eval(GetVariable(dec.object.id_name))
|
||||
if(!D) return
|
||||
D.vars[dec.var_name.id_name] = null
|
||||
else if(istype(S, /node/statement/FunctionCall))
|
||||
RunFunction(S)
|
||||
else if(istype(S, /node/statement/FunctionDefinition))
|
||||
//do nothing
|
||||
else if(istype(S, /node/statement/WhileLoop))
|
||||
RunWhile(S)
|
||||
else if(istype(S, /node/statement/IfStatement))
|
||||
RunIf(S)
|
||||
else if(istype(S, /node/statement/ReturnStatement))
|
||||
if(!curFunction)
|
||||
RaiseError(new/runtimeError/UnexpectedReturn())
|
||||
continue
|
||||
status |= RETURNING
|
||||
returnVal=Eval(S:value)
|
||||
break
|
||||
else if(istype(S, /node/statement/BreakStatement))
|
||||
status |= BREAKING
|
||||
break
|
||||
else if(istype(S, /node/statement/ContinueStatement))
|
||||
status |= CONTINUING
|
||||
break
|
||||
else
|
||||
RaiseError(new/runtimeError/UnknownInstruction())
|
||||
if(status)
|
||||
break
|
||||
|
||||
curScope = scopes.Pop()
|
||||
curScope = scopes.Pop()
|
||||
|
||||
/*
|
||||
Proc: RunFunction
|
||||
Runs a function block or a proc with the arguments specified in the script.
|
||||
Proc: RunFunction
|
||||
Runs a function block or a proc with the arguments specified in the script.
|
||||
*/
|
||||
RunFunction(node/statement/FunctionCall/stmt)
|
||||
//Note that anywhere /node/statement/FunctionCall/stmt is used so may /node/expression/FunctionCall
|
||||
/n_Interpreter/proc/RunFunction(node/statement/FunctionCall/stmt)
|
||||
//Note that anywhere /node/statement/FunctionCall/stmt is used so may /node/expression/FunctionCall
|
||||
|
||||
// If recursion gets too high (max 50 nested functions) throw an error
|
||||
if(cur_recursion >= max_recursion)
|
||||
RaiseError(new/runtimeError/RecursionLimitReached())
|
||||
return 0
|
||||
// If recursion gets too high (max 50 nested functions) throw an error
|
||||
if(cur_recursion >= max_recursion)
|
||||
RaiseError(new/runtimeError/RecursionLimitReached())
|
||||
return 0
|
||||
|
||||
var/node/statement/FunctionDefinition/def
|
||||
if(!stmt.object) //A scope's function is being called, stmt.object is null
|
||||
def = GetFunction(stmt.func_name)
|
||||
else if(istype(stmt.object)) //A method of an object exposed as a variable is being called, stmt.object is a /node/identifier
|
||||
var/O = GetVariable(stmt.object.id_name) //Gets a reference to the object which is the target of the function call.
|
||||
if(!O) return //Error already thrown in GetVariable()
|
||||
def = Eval(O)
|
||||
var/node/statement/FunctionDefinition/def
|
||||
if(!stmt.object) //A scope's function is being called, stmt.object is null
|
||||
def = GetFunction(stmt.func_name)
|
||||
else if(istype(stmt.object)) //A method of an object exposed as a variable is being called, stmt.object is a /node/identifier
|
||||
var/O = GetVariable(stmt.object.id_name) //Gets a reference to the object which is the target of the function call.
|
||||
if(!O) return //Error already thrown in GetVariable()
|
||||
def = Eval(O)
|
||||
|
||||
if(!def) return
|
||||
if(!def) return
|
||||
|
||||
cur_recursion++ // add recursion
|
||||
if(istype(def))
|
||||
if(curFunction) functions.Push(curFunction)
|
||||
var/scope/S = CreateScope(def.block)
|
||||
for(var/i=1 to def.parameters.len)
|
||||
var/val
|
||||
if(stmt.parameters.len>=i)
|
||||
val = stmt.parameters[i]
|
||||
//else
|
||||
// unspecified param
|
||||
AssignVariable(def.parameters[i], new/node/expression/value/literal(Eval(val)), S)
|
||||
curFunction=stmt
|
||||
RunBlock(def.block, S)
|
||||
//Handle return value
|
||||
. = returnVal
|
||||
status &= ~RETURNING
|
||||
returnVal=null
|
||||
curFunction=functions.Pop()
|
||||
cur_recursion--
|
||||
else
|
||||
cur_recursion--
|
||||
var/list/params=new
|
||||
for(var/node/expression/P in stmt.parameters)
|
||||
params+=list(Eval(P))
|
||||
if(isobject(def)) //def is an object which is the target of a function call
|
||||
if( !hascall(def, stmt.func_name) )
|
||||
RaiseError(new/runtimeError/UndefinedFunction("[stmt.object.id_name].[stmt.func_name]"))
|
||||
return
|
||||
return call(def, stmt.func_name)(arglist(params))
|
||||
else //def is a path to a global proc
|
||||
return call(def)(arglist(params))
|
||||
cur_recursion++ // add recursion
|
||||
if(istype(def))
|
||||
if(curFunction) functions.Push(curFunction)
|
||||
var/scope/S = CreateScope(def.block)
|
||||
for(var/i=1 to def.parameters.len)
|
||||
var/val
|
||||
if(stmt.parameters.len>=i)
|
||||
val = stmt.parameters[i]
|
||||
//else
|
||||
// RaiseError(new/runtimeError/UnknownInstruction())
|
||||
// unspecified param
|
||||
AssignVariable(def.parameters[i], new/node/expression/value/literal(Eval(val)), S)
|
||||
curFunction=stmt
|
||||
RunBlock(def.block, S)
|
||||
//Handle return value
|
||||
. = returnVal
|
||||
status &= ~RETURNING
|
||||
returnVal=null
|
||||
curFunction=functions.Pop()
|
||||
cur_recursion--
|
||||
else
|
||||
cur_recursion--
|
||||
var/list/params=new
|
||||
for(var/node/expression/P in stmt.parameters)
|
||||
params+=list(Eval(P))
|
||||
if(isobject(def)) //def is an object which is the target of a function call
|
||||
if( !hascall(def, stmt.func_name) )
|
||||
RaiseError(new/runtimeError/UndefinedFunction("[stmt.object.id_name].[stmt.func_name]"))
|
||||
return
|
||||
return call(def, stmt.func_name)(arglist(params))
|
||||
else //def is a path to a global proc
|
||||
return call(def)(arglist(params))
|
||||
//else
|
||||
// RaiseError(new/runtimeError/UnknownInstruction())
|
||||
|
||||
/*
|
||||
Proc: RunIf
|
||||
Checks a condition and runs either the if block or else block.
|
||||
Proc: RunIf
|
||||
Checks a condition and runs either the if block or else block.
|
||||
*/
|
||||
RunIf(node/statement/IfStatement/stmt)
|
||||
if(Eval(stmt.cond))
|
||||
RunBlock(stmt.block)
|
||||
else if(stmt.else_block)
|
||||
RunBlock(stmt.else_block)
|
||||
/n_Interpreter/proc/RunIf(node/statement/IfStatement/stmt)
|
||||
if(Eval(stmt.cond))
|
||||
RunBlock(stmt.block)
|
||||
else if(stmt.else_block)
|
||||
RunBlock(stmt.else_block)
|
||||
|
||||
/*
|
||||
Proc: RunWhile
|
||||
Runs a while loop.
|
||||
Proc: RunWhile
|
||||
Runs a while loop.
|
||||
*/
|
||||
RunWhile(node/statement/WhileLoop/stmt)
|
||||
var/i=1
|
||||
while(Eval(stmt.cond) && Iterate(stmt.block, i++))
|
||||
continue
|
||||
status &= ~BREAKING
|
||||
/n_Interpreter/proc/RunWhile(node/statement/WhileLoop/stmt)
|
||||
var/i=1
|
||||
while(Eval(stmt.cond) && Iterate(stmt.block, i++))
|
||||
continue
|
||||
status &= ~BREAKING
|
||||
|
||||
/*
|
||||
Proc:Iterate
|
||||
Runs a single iteration of a loop. Returns a value indicating whether or not to continue looping.
|
||||
Proc:Iterate
|
||||
Runs a single iteration of a loop. Returns a value indicating whether or not to continue looping.
|
||||
*/
|
||||
Iterate(node/BlockDefinition/block, count)
|
||||
RunBlock(block)
|
||||
if(max_iterations > 0 && count >= max_iterations)
|
||||
RaiseError(new/runtimeError/IterationLimitReached())
|
||||
return 0
|
||||
if(status & (BREAKING|RETURNING))
|
||||
return 0
|
||||
status &= ~CONTINUING
|
||||
return 1
|
||||
/n_Interpreter/proc/Iterate(node/BlockDefinition/block, count)
|
||||
RunBlock(block)
|
||||
if(max_iterations > 0 && count >= max_iterations)
|
||||
RaiseError(new/runtimeError/IterationLimitReached())
|
||||
return 0
|
||||
if(status & (BREAKING|RETURNING))
|
||||
return 0
|
||||
status &= ~CONTINUING
|
||||
return 1
|
||||
|
||||
/*
|
||||
Proc: GetFunction
|
||||
Finds a function in an accessible scope with the given name. Returns a <FunctionDefinition>.
|
||||
Proc: GetFunction
|
||||
Finds a function in an accessible scope with the given name. Returns a <FunctionDefinition>.
|
||||
*/
|
||||
GetFunction(name)
|
||||
var/scope/S = curScope
|
||||
while(S)
|
||||
if(S.functions.Find(name))
|
||||
return S.functions[name]
|
||||
S = S.parent
|
||||
RaiseError(new/runtimeError/UndefinedFunction(name))
|
||||
/n_Interpreter/proc/GetFunction(name)
|
||||
var/scope/S = curScope
|
||||
while(S)
|
||||
if(S.functions.Find(name))
|
||||
return S.functions[name]
|
||||
S = S.parent
|
||||
RaiseError(new/runtimeError/UndefinedFunction(name))
|
||||
|
||||
/*
|
||||
Proc: GetVariable
|
||||
Finds a variable in an accessible scope and returns its value.
|
||||
Proc: GetVariable
|
||||
Finds a variable in an accessible scope and returns its value.
|
||||
*/
|
||||
GetVariable(name)
|
||||
var/scope/S = curScope
|
||||
while(S)
|
||||
if(S.variables.Find(name))
|
||||
return S.variables[name]
|
||||
S = S.parent
|
||||
RaiseError(new/runtimeError/UndefinedVariable(name))
|
||||
/n_Interpreter/proc/GetVariable(name)
|
||||
var/scope/S = curScope
|
||||
while(S)
|
||||
if(S.variables.Find(name))
|
||||
return S.variables[name]
|
||||
S = S.parent
|
||||
RaiseError(new/runtimeError/UndefinedVariable(name))
|
||||
|
||||
GetVariableScope(name) //needed for when you reassign a variable in a higher scope
|
||||
var/scope/S = curScope
|
||||
while(S)
|
||||
if(S.variables.Find(name))
|
||||
return S
|
||||
S = S.parent
|
||||
/n_Interpreter/proc/GetVariableScope(name) //needed for when you reassign a variable in a higher scope
|
||||
var/scope/S = curScope
|
||||
while(S)
|
||||
if(S.variables.Find(name))
|
||||
return S
|
||||
S = S.parent
|
||||
|
||||
|
||||
IsVariableAccessible(name)
|
||||
var/scope/S = curScope
|
||||
while(S)
|
||||
if(S.variables.Find(name))
|
||||
return TRUE
|
||||
S = S.parent
|
||||
return FALSE
|
||||
/n_Interpreter/proc/IsVariableAccessible(name)
|
||||
var/scope/S = curScope
|
||||
while(S)
|
||||
if(S.variables.Find(name))
|
||||
return TRUE
|
||||
S = S.parent
|
||||
return FALSE
|
||||
|
||||
|
||||
/*
|
||||
Proc: AssignVariable
|
||||
Assigns a value to a variable in a specific block.
|
||||
Proc: AssignVariable
|
||||
Assigns a value to a variable in a specific block.
|
||||
|
||||
Parameters:
|
||||
name - The name of the variable to assign.
|
||||
value - The value to assign to it.
|
||||
S - The scope the variable resides in. If it is null, a scope with the variable already existing is found. If no scopes have a variable of the given name, the current scope is used.
|
||||
Parameters:
|
||||
name - The name of the variable to assign.
|
||||
value - The value to assign to it.
|
||||
S - The scope the variable resides in. If it is null, a scope with the variable already existing is found. If no scopes have a variable of the given name, the current scope is used.
|
||||
*/
|
||||
AssignVariable(name, node/expression/value, scope/S=null)
|
||||
if(!S) S = GetVariableScope(name)
|
||||
if(!S) S = curScope
|
||||
if(!S) S = globalScope
|
||||
ASSERT(istype(S))
|
||||
if(istext(value) || isnum(value) || isnull(value)) value = new/node/expression/value/literal(value)
|
||||
else if(!istype(value) && isobject(value)) value = new/node/expression/value/reference(value)
|
||||
//TODO: check for invalid name
|
||||
S.variables["[name]"] = value
|
||||
/n_Interpreter/proc/AssignVariable(name, node/expression/value, scope/S=null)
|
||||
if(!S) S = GetVariableScope(name)
|
||||
if(!S) S = curScope
|
||||
if(!S) S = globalScope
|
||||
ASSERT(istype(S))
|
||||
if(istext(value) || isnum(value) || isnull(value)) value = new/node/expression/value/literal(value)
|
||||
else if(!istype(value) && isobject(value)) value = new/node/expression/value/reference(value)
|
||||
//TODO: check for invalid name
|
||||
S.variables["[name]"] = value
|
||||
|
||||
|
||||
@@ -2,17 +2,15 @@
|
||||
Class: scope
|
||||
A runtime instance of a block. Used internally by the interpreter.
|
||||
*/
|
||||
scope
|
||||
var
|
||||
scope/parent = null
|
||||
node/BlockDefinition/block
|
||||
list
|
||||
functions
|
||||
variables
|
||||
/scope/
|
||||
var/scope/parent = null
|
||||
var/node/BlockDefinition/block
|
||||
var/list/functions
|
||||
var/list/variables
|
||||
|
||||
New(node/BlockDefinition/B, scope/parent)
|
||||
src.block = B
|
||||
src.parent = parent
|
||||
src.variables = B.initial_variables.Copy()
|
||||
src.functions = B.functions.Copy()
|
||||
.=..()
|
||||
/scope/New(node/BlockDefinition/B, scope/parent)
|
||||
src.block = B
|
||||
src.parent = parent
|
||||
src.variables = B.initial_variables.Copy()
|
||||
src.functions = B.functions.Copy()
|
||||
.=..()
|
||||
Reference in New Issue
Block a user