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Fix non-iteratrable input of yieldEach #463

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Merged
saelo merged 3 commits into from
Nov 15, 2024
Merged

Fix non-iteratrable input of yieldEach #463

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cab0c4e
fix non-iteratrable input of yieldEach
Yi2255 Nov 14, 2024
2cf0d4b
Increase weight to 5 for SubroutineReturnGenerator and YieldGenerator
Yi2255 Nov 14, 2024
bd9c147
Increase weight to 5 for YieldGenerator and YieldEachGenerator
Yi2255 Nov 14, 2024
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3 changes: 2 additions & 1 deletion Sources/Fuzzilli/CodeGen/CodeGeneratorWeights.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,8 @@ public let codeGeneratorWeights = [
"AsyncGeneratorFunctionGenerator": 1,
"ConstructorGenerator": 5,
"SubroutineReturnGenerator": 3,
"YieldGenerator": 2,
"YieldGenerator": 5,
"YieldEachGenerator": 5,
"AwaitGenerator": 2,
"PropertyRetrievalGenerator": 20,
"PropertyAssignmentGenerator": 20,
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24 changes: 14 additions & 10 deletions Sources/Fuzzilli/CodeGen/CodeGenerators.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -775,7 +775,9 @@ public let CodeGenerators: [CodeGenerator] = [
if probability(0.5) {
b.yield(b.randomVariable())
} else {
b.yieldEach(b.randomVariable())
let randomVariables = b.randomVariables(n: Int.random(in: 1...5))
let array = b.createArray(with: randomVariables)
b.yieldEach(array)
}
b.doReturn(b.randomVariable())
}
Expand Down Expand Up @@ -807,7 +809,9 @@ public let CodeGenerators: [CodeGenerator] = [
if probability(0.5) {
b.yield(b.randomVariable())
} else {
b.yieldEach(b.randomVariable())
let randomVariables = b.randomVariables(n: Int.random(in: 1...5))
let array = b.createArray(with: randomVariables)
b.yieldEach(array)
}
b.doReturn(b.randomVariable())
}
Expand Down Expand Up @@ -1077,18 +1081,18 @@ public let CodeGenerators: [CodeGenerator] = [

CodeGenerator("YieldGenerator", inContext: .generatorFunction, inputs: .one) { b, val in
assert(b.context.contains(.generatorFunction))
if probability(0.5) {
if probability(0.9) {
b.yield(val)
} else {
b.yield()
}
if probability(0.9) {
b.yield(val)
} else {
// TODO only do this when the value is iterable?
b.yieldEach(val)
b.yield()
}
},

CodeGenerator("YieldEachGenerator", inContext: .generatorFunction, inputs: .required(.iterable)) { b, val in
assert(b.context.contains(.generatorFunction))
b.yieldEach(val)
},

CodeGenerator("AwaitGenerator", inContext: .asyncFunction, inputs: .one) { b, val in
assert(b.context.contains(.asyncFunction))
b.await(val)
Expand Down
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