Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/code/Types.java
src/share/classes/com/sun/tools/javac/code/Types.java
- changeset 1820
- 6b48ebae2569
- parent 1755
- ddb4a2bfcd82
- child 1824
- 455be95bd1b5
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| 1819:7fe655cad9b1 | 1820:6b48ebae2569 |
|---|---|
| 947 ss = ss.tail; | 947 ss = ss.tail; |
| 948 } | 948 } |
| 949 return ts.tail == null && ss.tail == null; | 949 return ts.tail == null && ss.tail == null; |
| 950 /*inlined: ts.isEmpty() && ss.isEmpty();*/ | 950 /*inlined: ts.isEmpty() && ss.isEmpty();*/ |
| 951 } | 951 } |
| 952 | |
| 953 /** | |
| 954 * A polymorphic signature method (JLS SE 7, 8.4.1) is a method that | |
| 955 * (i) is declared in the java.lang.invoke.MethodHandle class, (ii) takes | |
| 956 * a single variable arity parameter (iii) whose declared type is Object[], | |
| 957 * (iv) has a return type of Object and (v) is native. | |
| 958 */ | |
| 959 public boolean isSignaturePolymorphic(MethodSymbol msym) { | |
| 960 List<Type> argtypes = msym.type.getParameterTypes(); | |
| 961 return (msym.flags_field & NATIVE) != 0 && | |
| 962 msym.owner == syms.methodHandleType.tsym && | |
| 963 argtypes.tail.tail == null && | |
| 964 argtypes.head.hasTag(TypeTag.ARRAY) && | |
| 965 msym.type.getReturnType().tsym == syms.objectType.tsym && | |
| 966 ((ArrayType)argtypes.head).elemtype.tsym == syms.objectType.tsym; | |
| 967 } | |
| 952 | 968 |
| 953 /** | 969 /** |
| 954 * Is t the same type as s? | 970 * Is t the same type as s? |
| 955 */ | 971 */ |
| 956 public boolean isSameType(Type t, Type s) { | 972 public boolean isSameType(Type t, Type s) { |
