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fix crash on sort/reverse unused arrays

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fixes #95
This commit is contained in:
Irmen de Jong 2023-02-14 00:26:29 +01:00
parent 3916de2921
commit bceaebe856
2 changed files with 35 additions and 18 deletions
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13
codeOptimizers/src/prog8/optimizer/Inliner.kt
View File

@ -118,10 +118,12 @@ class Inliner(val program: Program): AstWalker() {
}
private fun makeFullyScoped(identifier: IdentifierReference) {
val scoped = (identifier.targetStatement(program)!! as INamedStatement).scopedName
identifier.targetStatement(program)?.let { target ->
val scoped = (target as INamedStatement).scopedName
val scopedIdent = IdentifierReference(scoped, identifier.position)
modifications += IAstModification.ReplaceNode(identifier, scopedIdent, identifier.parent)
}
}
private fun makeFullyScoped(call: BuiltinFunctionCallStatement) {
val scopedArgs = makeScopedArgs(call.args)
@ -130,28 +132,31 @@ class Inliner(val program: Program): AstWalker() {
}
private fun makeFullyScoped(call: FunctionCallStatement) {
val sub = call.target.targetSubroutine(program)!!
call.target.targetSubroutine(program)?.let { sub ->
val scopedName = IdentifierReference(sub.scopedName, call.target.position)
val scopedArgs = makeScopedArgs(call.args)
val scopedCall = FunctionCallStatement(scopedName, scopedArgs.toMutableList(), call.void, call.position)
modifications += IAstModification.ReplaceNode(call, scopedCall, call.parent)
}
}
private fun makeFullyScoped(call: BuiltinFunctionCall) {
val sub = call.target.targetSubroutine(program)!!
call.target.targetSubroutine(program)?.let { sub ->
val scopedName = IdentifierReference(sub.scopedName, call.target.position)
val scopedArgs = makeScopedArgs(call.args)
val scopedCall = BuiltinFunctionCall(scopedName, scopedArgs.toMutableList(), call.position)
modifications += IAstModification.ReplaceNode(call, scopedCall, call.parent)
}
}
private fun makeFullyScoped(call: FunctionCallExpression) {
val sub = call.target.targetSubroutine(program)!!
call.target.targetSubroutine(program)?.let { sub ->
val scopedName = IdentifierReference(sub.scopedName, call.target.position)
val scopedArgs = makeScopedArgs(call.args)
val scopedCall = FunctionCallExpression(scopedName, scopedArgs.toMutableList(), call.position)
modifications += IAstModification.ReplaceNode(call, scopedCall, call.parent)
}
}
private fun makeScopedArgs(args: List<Expression>): List<Expression> {
return args.map {

12
compiler/test/TestOptimization.kt
View File

@ -793,4 +793,16 @@ main {
(statements[6] as Assignment).target.memoryAddress!!.addressExpression.constValue(result.program)!!.number shouldBe 53281.0
(statements[7] as Assignment).target.memoryAddress!!.addressExpression.constValue(result.program)!!.number shouldBe 53281.0
}
test("no crash on sorting unused array") {
val text="""
main {
ubyte[5] cards = [ 14, 6, 29, 16, 3 ]
sub start() {
sort(cards)
}
}"""
compileText(C64Target(), true, text, writeAssembly = false) shouldNotBe null
}
})