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add warning when encoded string contains 0-byte

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Irmen de Jong 2022-01-15 17:11:40 +01:00
parent c58b8a4973
commit 6fcb51cea2
1 changed files with 3 additions and 1 deletions
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4
compiler/src/prog8/compiler/astprocessing/AstChecker.kt
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@ -794,7 +794,9 @@ internal class AstChecker(private val program: Program,
checkValueTypeAndRangeString(DataType.STR, string) checkValueTypeAndRangeString(DataType.STR, string)
try { // just *try* if it can be encoded, don't actually do it try { // just *try* if it can be encoded, don't actually do it
compilerOptions.compTarget.encodeString(string.value, string.altEncoding) val bytes = compilerOptions.compTarget.encodeString(string.value, string.altEncoding)
if(0u in bytes)
errors.warn("a character in the string encodes into the 0-byte, which will terminate the string prematurely", string.position)
} catch (cx: CharConversionException) { } catch (cx: CharConversionException) {
errors.err(cx.message ?: "can't encode string", string.position) errors.err(cx.message ?: "can't encode string", string.position)
} }