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assign type assert

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This commit is contained in:
Irmen de Jong 2020-08-23 12:52:27 +02:00
parent 97ce72521d
commit f4dafec645
1 changed files with 8 additions and 0 deletions
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compiler/src/prog8/compiler/target/c64/codegen/AssignmentAsmGen.kt
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@ -23,6 +23,14 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
val target = AsmAssignTarget.fromAstAssignment(assignment, program, asmgen)
val assign = AsmAssignment(source, target, assignment.isAugmentable, assignment.position)
// assert that the source and target types are identical (with some signed/unsigned relaxations)
if(target.datatype!=source.datatype) {
if (!(target.datatype in ByteDatatypes && source.datatype in ByteDatatypes ||
target.datatype in WordDatatypes && source.datatype in WordDatatypes)) {
throw AssemblyError("assignment type incompatibility ${target.datatype}=${source.datatype}")
}
}
when {
source.type==AsmSourceStorageType.LITERALNUMBER -> translateConstantValueAssignment(assign)
source.type==AsmSourceStorageType.VARIABLE -> translateVariableAssignment(assign)