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8187742: Minimal set of bootstrap methods for constant dynamic

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Co-authored-by: Brian Goetz <brian.goetz@oracle.com>
Reviewed-by: jrose, forax
This commit is contained in:
Paul Sandoz 2018-01-31 11:20:36 -08:00
parent e55a05957d
commit 4b5ffe70d9
10 changed files with 656 additions and 56 deletions
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19
src/java.base/share/classes/sun/invoke/util/Wrapper.java
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@ -273,6 +273,25 @@ public enum Wrapper {
throw newIllegalArgumentException("not primitive: "+type);
}
/** Return the wrapper that corresponds to the provided basic type char.
* The basic type char must be for one of the eight primitive types, or void.
* @throws IllegalArgumentException for unexpected types
*/
public static Wrapper forPrimitiveType(char basicTypeChar) {
switch (basicTypeChar) {
case 'I': return INT;
case 'J': return LONG;
case 'S': return SHORT;
case 'B': return BYTE;
case 'C': return CHAR;
case 'F': return FLOAT;
case 'D': return DOUBLE;
case 'Z': return BOOLEAN;
case 'V': return VOID;
default: throw newIllegalArgumentException("not primitive: " + basicTypeChar);
}
}
static Wrapper findPrimitiveType(Class<?> type) {
Wrapper w = FROM_PRIM[hashPrim(type)];
if (w != null && w.primitiveType == type) {