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Fix error message for assigning to non-null properties.

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instead of falling down to "Required property 'a' missing at $"
This commit is contained in:
Eric Cochran
2018-04-24 13:04:10 -07:00
parent 1c68437f3c
commit 51d23b5b33
3 changed files with 74 additions and 4 deletions
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22
kotlin-codegen/compiler/src/main/java/com/squareup/moshi/AdapterGenerator.kt
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@@ -181,13 +181,27 @@ internal class AdapterGenerator(
propertyList.forEachIndexed { index, property ->
if (property.differentiateAbsentFromNull) {
result.beginControlFlow("%L -> ", index)
result.addStatement("%N = %N.fromJson(%N)",
property.localName, nameAllocator.get(property.delegateKey), readerParam)
if (property.delegateKey.nullable) {
result.addStatement("%N = %N.fromJson(%N)",
property.localName, nameAllocator.get(property.delegateKey), readerParam)
} else {
result.addStatement("%N = %N.fromJson(%N)" +
" ?: throw %T(\"Non-null value '%N' was null at \${%N.path}\")",
property.localName, nameAllocator.get(property.delegateKey), readerParam,
JsonDataException::class, property.localName, readerParam)
}
result.addStatement("%N = true", property.localIsPresentName)
result.endControlFlow()
} else {
result.addStatement("%L -> %N = %N.fromJson(%N)",
index, property.localName, nameAllocator.get(property.delegateKey), readerParam)
if (property.delegateKey.nullable) {
result.addStatement("%L -> %N = %N.fromJson(%N)",
index, property.localName, nameAllocator.get(property.delegateKey), readerParam)
} else {
result.addStatement("%L -> %N = %N.fromJson(%N)" +
" ?: throw %T(\"Non-null value '%N' was null at \${%N.path}\")",
index, property.localName, nameAllocator.get(property.delegateKey), readerParam,
JsonDataException::class, property.localName, readerParam)
}
}
}