Package javassist.compiler

Class MemberCodeGen

java.lang.Object

javassist.compiler.ast.Visitor

javassist.compiler.CodeGen

javassist.compiler.MemberCodeGen

All Implemented Interfaces:

Opcode, TokenId

Direct Known Subclasses:

JvstCodeGen

public class MemberCodeGen
extends CodeGen

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	MemberCodeGen.JsrHook
(package private) static class	MemberCodeGen.JsrHook2

Nested classes/interfaces inherited from class javassist.compiler.CodeGen

CodeGen.ReturnHook

Field Summary

Fields

Modifier and Type	Field	Description
protected MemberResolver	resolver
protected boolean	resultStatic
protected CtClass	thisClass
protected MethodInfo	thisMethod

Fields inherited from class javassist.compiler.CodeGen

arrayDim, binOp, breakList, bytecode, className, continueList, exprType, hasReturned, inStaticMethod, javaLangObject, javaLangString, jvmJavaLangObject, jvmJavaLangString, returnHooks, typeChecker

Fields inherited from interface javassist.bytecode.Opcode

AALOAD, AASTORE, ACONST_NULL, ALOAD, ALOAD_0, ALOAD_1, ALOAD_2, ALOAD_3, ANEWARRAY, ARETURN, ARRAYLENGTH, ASTORE, ASTORE_0, ASTORE_1, ASTORE_2, ASTORE_3, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DLOAD_0, DLOAD_1, DLOAD_2, DLOAD_3, DMUL, DNEG, DREM, DRETURN, DSTORE, DSTORE_0, DSTORE_1, DSTORE_2, DSTORE_3, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAD_0, FLOAD_1, FLOAD_2, FLOAD_3, FMUL, FNEG, FREM, FRETURN, FSTORE, FSTORE_0, FSTORE_1, FSTORE_2, FSTORE_3, FSUB, GETFIELD, GETSTATIC, GOTO, GOTO_W, 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, ILOAD_0, ILOAD_1, ILOAD_2, ILOAD_3, IMUL, INEG, INSTANCEOF, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISTORE_0, ISTORE_1, ISTORE_2, ISTORE_3, ISUB, IUSHR, IXOR, JSR, JSR_W, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDC_W, LDC2_W, LDIV, LLOAD, LLOAD_0, LLOAD_1, LLOAD_2, LLOAD_3, LMUL, LNEG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSTORE_0, LSTORE_1, LSTORE_2, LSTORE_3, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, STACK_GROW, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, WIDE

Fields inherited from interface javassist.compiler.TokenId

ABSTRACT, AND_E, ANDAND, ARRAY, ARSHIFT, ARSHIFT_E, assignOps, BadToken, BLOCK, BOOLEAN, BREAK, BYTE, CALL, CASE, CATCH, CHAR, CharConstant, CLASS, CONST, CONTINUE, DECL, DEFAULT, DIV_E, DO, DOUBLE, DoubleConstant, ELSE, EQ, EXOR_E, EXPR, EXTENDS, FALSE, FINAL, FINALLY, FLOAT, FloatConstant, FOR, GE, GOTO, Identifier, IF, IMPLEMENTS, IMPORT, INSTANCEOF, INT, IntConstant, INTERFACE, LABEL, LE, LONG, LongConstant, LSHIFT, LSHIFT_E, MEMBER, MINUS_E, MINUSMINUS, MOD_E, MUL_E, NATIVE, NEQ, NEW, NULL, opNames, OR_E, OROR, PACKAGE, PLUS_E, PLUSPLUS, PRIVATE, PROTECTED, PUBLIC, RETURN, RSHIFT, RSHIFT_E, SHORT, STATIC, STRICT, StringL, SUPER, SWITCH, SYNCHRONIZED, THIS, THROW, THROWS, TRANSIENT, TRUE, TRY, VOID, VOLATILE, WHILE

Constructor Summary

Constructors

Constructor	Description
MemberCodeGen(Bytecode b, CtClass cc, ClassPool cp)

Method Summary

Modifier and Type	Method	Description
private int	addFieldrefInfo(CtField f, FieldInfo finfo)
private void	addFinally(List<int[]> returnList, Stmnt finallyBlock)	Adds a finally clause for earch return statement.
void	atArrayInit(ArrayInit init)
private void	atArrayLength(ASTree expr)
protected void	atArrayVariableAssign(ArrayInit init, int varType, int varArray, String varClass)
void	atCallExpr(CallExpr expr)
protected void	atClassObject2(String cname)
protected void	atFieldAssign(Expr expr, int op, ASTree left, ASTree right, boolean doDup)
private void	atFieldAssignCore(CtField f, boolean is_static, int fi, boolean is2byte)
protected void	atFieldPlusPlus(int token, boolean isPost, ASTree oprand, Expr expr, boolean doDup)
protected void	atFieldRead(ASTree expr)
private int	atFieldRead(CtField f, boolean isStatic)	Generates bytecode for reading a field value.
void	atMember(Member mem)
void	atMethodArgs(ASTList args, int[] types, int[] dims, String[] cnames)
void	atMethodCallCore(CtClass targetClass, String mname, ASTList args, boolean isStatic, boolean isSpecial, int aload0pos, MemberResolver.Method found)
private void	atMethodCallCore2(CtClass targetClass, String mname, boolean isStatic, boolean isSpecial, int aload0pos, MemberResolver.Method found)
protected void	atMultiNewArray(int type, ASTList classname, ASTList size)
void	atNewArrayExpr(NewExpr expr)
private void	atNewArrayExpr2(int type, ASTree sizeExpr, String jvmClassname, ArrayInit init)
void	atNewExpr(NewExpr expr)
protected void	atTryStmnt(Stmnt st)
private static void	badLvalue()
private static void	badMethod()
private static void	badNewExpr()
protected CtField	fieldAccess(ASTree expr, boolean acceptLength)
protected String	getAccessibleConstructor(String desc, CtClass declClass, MethodInfo minfo)
protected String	getAccessiblePrivate(String methodName, String desc, String newDesc, MethodInfo minfo, CtClass declClass)
int	getMajorVersion()	Returns the major version of the class file targeted by this compilation.
int	getMethodArgsLength(ASTList args)
protected String	getSuperName()	Returns the JVM-internal representation of this super class name.
CtClass	getThisClass()
protected String	getThisName()	Returns the JVM-internal representation of this class name.
protected void	insertDefaultSuperCall()
private AccessorMaker	isAccessibleField(CtField f, FieldInfo finfo)	Returns null if the field is accessible.
private boolean	isEnclosing(CtClass outer, CtClass inner)
private boolean	isFromSameDeclaringClass(CtClass outer, CtClass inner)
CtClass[]	makeParamList(MethodDecl md)
CtClass[]	makeThrowsList(MethodDecl md)
protected String	resolveClassName(String jvmName)
protected String	resolveClassName(ASTList name)
private boolean	setFieldType(FieldInfo finfo)	Sets exprType, arrayDim, and className.
(package private) void	setReturnType(String desc, boolean isStatic, boolean popTarget)
void	setThisMethod(CtMethod m)	Records the currently compiled method.

Methods inherited from class javassist.compiler.CodeGen

arrayAccess, atArrayPlusPlus, atArrayRead, atAssignCore, atAssignExpr, atAssignExpr, atASTList, atBinExpr, atCastExpr, atClassObject, atCondExpr, atDeclarator, atDoubleConst, atExpr, atFieldDecl, atInstanceOfExpr, atIntConst, atKeyword, atMethodBody, atMethodDecl, atNumCastExpr, atPair, atPlusPlusCore, atReturnStmnt, atReturnStmnt2, atStmnt, atStringL, atSymbol, atVariable, badAssign, badType, badTypes, compileBooleanExpr, compileExpr, doTypeCheck, fatal, getArrayReadOp, getArrayWriteOp, getCompOperator, getLocalVar, getMaxLocals, getTempVar, incMaxLocals, is2word, isP_INT, isRefType, lookupBinOp, patchGoto, rightIsStrong, setMaxLocals, setTypeChecker, toJvmArrayName, toJvmTypeName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

resolver

protected MemberResolver resolver

thisClass

protected CtClass thisClass

thisMethod

protected MethodInfo thisMethod

resultStatic

protected boolean resultStatic

Constructor Details

MemberCodeGen

public MemberCodeGen(Bytecode b,
 CtClass cc,
 ClassPool cp)

Method Details

getMajorVersion

public int getMajorVersion()

Returns the major version of the class file targeted by this compilation.

setThisMethod

public void setThisMethod(CtMethod m)

Records the currently compiled method.

getThisClass

public CtClass getThisClass()

getThisName

protected String getThisName()

Returns the JVM-internal representation of this class name.

Specified by:

getThisName in class CodeGen

getSuperName

protected String getSuperName()
                       throws CompileError

Returns the JVM-internal representation of this super class name.

Specified by:

getSuperName in class CodeGen

Throws:

CompileError

insertDefaultSuperCall

protected void insertDefaultSuperCall()
                               throws CompileError

Specified by:

insertDefaultSuperCall in class CodeGen

Throws:

CompileError

atTryStmnt

protected void atTryStmnt(Stmnt st)
                   throws CompileError

Overrides:

atTryStmnt in class CodeGen

Throws:

CompileError

addFinally

private void addFinally(List<int[]> returnList,
 Stmnt finallyBlock)
                 throws CompileError

Adds a finally clause for earch return statement.

Throws:

CompileError

atNewExpr

public void atNewExpr(NewExpr expr)
               throws CompileError

Specified by:

atNewExpr in class CodeGen

Throws:

CompileError

atNewArrayExpr

public void atNewArrayExpr(NewExpr expr)
                    throws CompileError

Throws:

CompileError

atNewArrayExpr2

private void atNewArrayExpr2(int type,
 ASTree sizeExpr,
 String jvmClassname,
 ArrayInit init)
                      throws CompileError

Throws:

CompileError

badNewExpr

private static void badNewExpr()
                        throws CompileError

Throws:

CompileError

atArrayVariableAssign

protected void atArrayVariableAssign(ArrayInit init,
 int varType,
 int varArray,
 String varClass)
                              throws CompileError

Specified by:

atArrayVariableAssign in class CodeGen

Throws:

CompileError

atArrayInit

public void atArrayInit(ArrayInit init)
                 throws CompileError

Specified by:

atArrayInit in class CodeGen

Throws:

CompileError

atMultiNewArray

protected void atMultiNewArray(int type,
 ASTList classname,
 ASTList size)
                        throws CompileError

Throws:

CompileError

atCallExpr

public void atCallExpr(CallExpr expr)
                throws CompileError

Specified by:

atCallExpr in class CodeGen

Throws:

CompileError

badMethod

private static void badMethod()
                       throws CompileError

Throws:

CompileError

atMethodCallCore

public void atMethodCallCore(CtClass targetClass,
 String mname,
 ASTList args,
 boolean isStatic,
 boolean isSpecial,
 int aload0pos,
 MemberResolver.Method found)
                      throws CompileError

Throws:

CompileError

isFromSameDeclaringClass

private boolean isFromSameDeclaringClass(CtClass outer,
 CtClass inner)

atMethodCallCore2

private void atMethodCallCore2(CtClass targetClass,
 String mname,
 boolean isStatic,
 boolean isSpecial,
 int aload0pos,
 MemberResolver.Method found)
                        throws CompileError

Throws:

CompileError

getAccessiblePrivate

protected String getAccessiblePrivate(String methodName,
 String desc,
 String newDesc,
 MethodInfo minfo,
 CtClass declClass)
                               throws CompileError

Throws:

CompileError

getAccessibleConstructor

protected String getAccessibleConstructor(String desc,
 CtClass declClass,
 MethodInfo minfo)
                                   throws CompileError

Throws:

CompileError

isEnclosing

private boolean isEnclosing(CtClass outer,
 CtClass inner)

getMethodArgsLength

public int getMethodArgsLength(ASTList args)

atMethodArgs

public void atMethodArgs(ASTList args,
 int[] types,
 int[] dims,
 String[] cnames)
                  throws CompileError

Throws:

CompileError

setReturnType

void setReturnType(String desc,
 boolean isStatic,
 boolean popTarget)
            throws CompileError

Throws:

CompileError

atFieldAssign

protected void atFieldAssign(Expr expr,
 int op,
 ASTree left,
 ASTree right,
 boolean doDup)
                      throws CompileError

Specified by:

atFieldAssign in class CodeGen

Throws:

CompileError

atFieldAssignCore

private void atFieldAssignCore(CtField f,
 boolean is_static,
 int fi,
 boolean is2byte)
                        throws CompileError

Throws:

CompileError

atMember

public void atMember(Member mem)
              throws CompileError

Specified by:

atMember in class CodeGen

Throws:

CompileError

atFieldRead

protected void atFieldRead(ASTree expr)
                    throws CompileError

Specified by:

atFieldRead in class CodeGen

Throws:

CompileError

atArrayLength

private void atArrayLength(ASTree expr)
                    throws CompileError

Throws:

CompileError

atFieldRead

private int atFieldRead(CtField f,
 boolean isStatic)
                 throws CompileError

Generates bytecode for reading a field value. It returns a fieldref_info index or zero if the field is a private one declared in an enclosing class.

Throws:

CompileError

isAccessibleField

private AccessorMaker isAccessibleField(CtField f,
 FieldInfo finfo)
                                 throws CompileError

Returns null if the field is accessible. Otherwise, it throws an exception or it returns AccessorMaker if the field is a private one declared in an enclosing class.

Throws:

CompileError

setFieldType

private boolean setFieldType(FieldInfo finfo)
                      throws CompileError

Sets exprType, arrayDim, and className.

Returns:

true if the field type is long or double.

Throws:

CompileError

addFieldrefInfo

private int addFieldrefInfo(CtField f,
 FieldInfo finfo)

atClassObject2

protected void atClassObject2(String cname)
                       throws CompileError

Overrides:

atClassObject2 in class CodeGen

Throws:

CompileError

atFieldPlusPlus

protected void atFieldPlusPlus(int token,
 boolean isPost,
 ASTree oprand,
 Expr expr,
 boolean doDup)
                        throws CompileError

Specified by:

atFieldPlusPlus in class CodeGen

Throws:

CompileError

fieldAccess

protected CtField fieldAccess(ASTree expr,
 boolean acceptLength)
                       throws CompileError

Throws:

CompileError

badLvalue

private static void badLvalue()
                       throws CompileError

Throws:

CompileError

makeParamList

public CtClass[] makeParamList(MethodDecl md)
                        throws CompileError

Throws:

CompileError

makeThrowsList

public CtClass[] makeThrowsList(MethodDecl md)
                         throws CompileError

Throws:

CompileError

resolveClassName

protected String resolveClassName(ASTList name)
                           throws CompileError

Specified by:

resolveClassName in class CodeGen

Throws:

CompileError

resolveClassName

protected String resolveClassName(String jvmName)
                           throws CompileError

Specified by:

resolveClassName in class CodeGen

Throws:

CompileError