public class FunctionReference extends SpelNodeImpl
Functions are very simplistic. The arguments are not part of the definition (right now), so the names must be unique.
Modifier and Type | Field and Description |
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private java.lang.reflect.Method |
method |
private java.lang.String |
name |
children, exitTypeDescriptor, pos
AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_MANDATED, ACC_MODULE, ACC_NATIVE, ACC_OPEN, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STATIC_PHASE, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_TRANSITIVE, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASM4, ASM5, ASM6, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DOUBLE, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F_APPEND, F_CHOP, F_FULL, F_NEW, F_SAME, F_SAME1, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAT, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, H_GETFIELD, H_GETSTATIC, H_INVOKEINTERFACE, H_INVOKESPECIAL, H_INVOKESTATIC, H_INVOKEVIRTUAL, H_NEWINVOKESPECIAL, H_PUTFIELD, H_PUTSTATIC, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, IMUL, INEG, INSTANCEOF, INTEGER, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LONG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, NULL, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7, V1_8, V1_9
Constructor and Description |
---|
FunctionReference(java.lang.String functionName,
int pos,
SpelNodeImpl... arguments) |
Modifier and Type | Method and Description |
---|---|
private TypedValue |
executeFunctionJLRMethod(ExpressionState state,
java.lang.reflect.Method method)
Execute a function represented as a
java.lang.reflect.Method . |
void |
generateCode(MethodVisitor mv,
CodeFlow cf)
Generate the bytecode for this node into the supplied visitor.
|
private java.lang.Object[] |
getArguments(ExpressionState state)
Compute the arguments to the function, they are the children of this expression node.
|
TypedValue |
getValueInternal(ExpressionState state) |
boolean |
isCompilable()
Check whether a node can be compiled to bytecode.
|
java.lang.String |
toStringAST() |
generateCodeForArgument, generateCodeForArguments, getChild, getChildCount, getEndPosition, getExitDescriptor, getObjectClass, getPreviousChild, getStartPosition, getTypedValue, getValue, getValue, getValueRef, isWritable, nextChildIs, setValue
private final java.lang.String name
private volatile java.lang.reflect.Method method
public FunctionReference(java.lang.String functionName, int pos, SpelNodeImpl... arguments)
public TypedValue getValueInternal(ExpressionState state) throws EvaluationException
getValueInternal
in class SpelNodeImpl
EvaluationException
private TypedValue executeFunctionJLRMethod(ExpressionState state, java.lang.reflect.Method method) throws EvaluationException
java.lang.reflect.Method
.state
- the expression evaluation statemethod
- the method to invokeEvaluationException
- if there is any problem invoking the methodpublic java.lang.String toStringAST()
private java.lang.Object[] getArguments(ExpressionState state) throws EvaluationException
EvaluationException
public boolean isCompilable()
SpelNodeImpl
isCompilable
in class SpelNodeImpl
true
if this node can be compiled to bytecodepublic void generateCode(MethodVisitor mv, CodeFlow cf)
SpelNodeImpl
generateCode
in class SpelNodeImpl
mv
- the ASM MethodVisitor into which code should be generatedcf
- a context object with info about what is on the stack