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8268124: Update java.lang to use switch expressions

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Reviewed-by: naoto, darcy, mchung, iris, lancea, dfuchs
This commit is contained in:
Patrick Concannon 2021-06-10 11:12:37 +00:00
parent a187fcc3ec
commit d43c8a74b3
22 changed files with 421 additions and 551 deletions
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25
src/java.base/share/classes/java/lang/invoke/LambdaForm.java
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@ -187,22 +187,17 @@ class LambdaForm {
return ALL_TYPES[type];
}
static BasicType basicType(char type) {
switch (type) {
case 'L': return L_TYPE;
case 'I': return I_TYPE;
case 'J': return J_TYPE;
case 'F': return F_TYPE;
case 'D': return D_TYPE;
case 'V': return V_TYPE;
return switch (type) {
case 'L' -> L_TYPE;
case 'I' -> I_TYPE;
case 'J' -> J_TYPE;
case 'F' -> F_TYPE;
case 'D' -> D_TYPE;
case 'V' -> V_TYPE;
// all subword types are represented as ints
case 'Z':
case 'B':
case 'S':
case 'C':
return I_TYPE;
default:
throw newInternalError("Unknown type char: '"+type+"'");
}
case 'Z', 'B', 'S', 'C' -> I_TYPE;
default -> throw newInternalError("Unknown type char: '" + type + "'");
};
}
static BasicType basicType(Wrapper type) {
char c = type.basicTypeChar();