Package org.hotswap.agent.javassist.compiler

Class TypeChecker

java.lang.Object

org.hotswap.agent.javassist.compiler.ast.Visitor

org.hotswap.agent.javassist.compiler.TypeChecker

All Implemented Interfaces:

Opcode, TokenId

Direct Known Subclasses:

JvstTypeChecker

public class TypeChecker
extends Visitor
implements Opcode, TokenId

Field Summary

Fields

Modifier and Type	Field	Description
protected int	arrayDim
protected String	className
protected int	exprType
protected MemberResolver	resolver
protected CtClass	thisClass
protected MethodInfo	thisMethod

Fields inherited from interface org.hotswap.agent.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, 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, CHECKCAST, 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_DOUBLE, T_FLOAT, T_CHAR, T_INT, T_LONG, T_SHORT, TABLESWITCH, WIDE

Fields inherited from interface org.hotswap.agent.javassist.compiler.TokenId

ABSTRACT, AND_E, ANDAND, ARRAY, ARSHIFT, ARSHIFT_E, assignOps, BadToken, BLOCK, BOOLEAN, BREAK, BYTE, CALL, CASE, CATCH, CLASS, CONST, CONTINUE, DECL, DEFAULT, DIV_E, DO, DOUBLE, DoubleConstant, ELSE, EQ, EXOR_E, EXPR, EXTENDS, FALSE, FINAL, FINALLY, FLOAT, FloatConstant, FOR, GE, GOTO, CHAR, CharConstant, 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
TypeChecker(CtClass cc, ClassPool cp)

Method Summary

Modifier and Type	Method	Description
protected static String	argTypesToString(int[] types, int[] dims, String[] cnames)
void	atArrayInit(ArrayInit init)
void	atArrayLength(Expr expr)
void	atArrayRead(ASTree array, ASTree index)
void	atAssignExpr(AssignExpr expr)
void	atBinExpr(BinExpr expr)
void	atCallExpr(CallExpr expr)
void	atCastExpr(CastExpr expr)
void	atClassObject(Expr expr)
void	atCondExpr(CondExpr expr)
void	atDoubleConst(DoubleConst d)
void	atExpr(Expr expr)
protected void	atFieldAssign(Expr expr, int op, ASTree left, ASTree right)
protected void	atFieldPlusPlus(ASTree oprand)
void	atInstanceOfExpr(InstanceOfExpr expr)
void	atIntConst(IntConst i)
void	atKeyword(Keyword k)
void	atMember(Member mem)
void	atMethodArgs(ASTList args, int[] types, int[] dims, String[] cnames)
MemberResolver.Method	atMethodCallCore(CtClass targetClass, String mname, ASTList args)
protected void	atMultiNewArray(int type, ASTList classname, ASTList size)
void	atNewArrayExpr(NewExpr expr)
void	atNewExpr(NewExpr expr)
void	atStringL(StringL s)
void	atVariable(Variable v)
protected static void	fatal()
protected CtField	fieldAccess(ASTree expr)
static ASTree	getConstantFieldValue(CtField f)
int	getMethodArgsLength(ASTList args)
protected String	getSuperName()	Returns the JVM-internal representation of this super class name.
protected String	getThisName()	Returns the JVM-internal representation of this class name.
protected String	resolveClassName(String jvmName)
protected String	resolveClassName(ASTList name)
void	setThisMethod(MethodInfo m)	Records the currently compiled method.
protected static StringBuffer	typeToString(StringBuffer sbuf, int type, int dim, String cname)

Methods inherited from class org.hotswap.agent.javassist.compiler.ast.Visitor

atASTList, atDeclarator, atFieldDecl, atMethodDecl, atPair, atStmnt, atSymbol

Methods inherited from class java.lang.Object

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

Field Detail

exprType

protected int exprType

arrayDim

protected int arrayDim

className

protected String className

resolver

protected MemberResolver resolver

thisClass

protected CtClass thisClass

thisMethod

protected MethodInfo thisMethod

Constructor Detail

TypeChecker

public TypeChecker(CtClass cc,
                   ClassPool cp)

Method Detail

argTypesToString

protected static String argTypesToString(int[] types,
                                         int[] dims,
                                         String[] cnames)

typeToString

protected static StringBuffer typeToString(StringBuffer sbuf,
                                           int type,
                                           int dim,
                                           String cname)

setThisMethod

public void setThisMethod(MethodInfo m)

Records the currently compiled method.

fatal

protected static void fatal()
                     throws CompileError

Throws:

CompileError

getThisName

protected String getThisName()

Returns the JVM-internal representation of this class name.

getSuperName

protected String getSuperName()
                       throws CompileError

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

Throws:

CompileError

resolveClassName

protected String resolveClassName(ASTList name)
                           throws CompileError

Throws:

CompileError

resolveClassName

protected String resolveClassName(String jvmName)
                           throws CompileError

Throws:

CompileError

atNewExpr

public void atNewExpr(NewExpr expr)
               throws CompileError

Overrides:

atNewExpr in class Visitor

Throws:

CompileError

atNewArrayExpr

public void atNewArrayExpr(NewExpr expr)
                    throws CompileError

Throws:

CompileError

atArrayInit

public void atArrayInit(ArrayInit init)
                 throws CompileError

Overrides:

atArrayInit in class Visitor

Throws:

CompileError

atMultiNewArray

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

Throws:

CompileError

atAssignExpr

public void atAssignExpr(AssignExpr expr)
                  throws CompileError

Overrides:

atAssignExpr in class Visitor

Throws:

CompileError

atFieldAssign

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

Throws:

CompileError

atCondExpr

public void atCondExpr(CondExpr expr)
                throws CompileError

Overrides:

atCondExpr in class Visitor

Throws:

CompileError

atBinExpr

public void atBinExpr(BinExpr expr)
               throws CompileError

Overrides:

atBinExpr in class Visitor

Throws:

CompileError

getConstantFieldValue

public static ASTree getConstantFieldValue(CtField f)

atCastExpr

public void atCastExpr(CastExpr expr)
                throws CompileError

Overrides:

atCastExpr in class Visitor

Throws:

CompileError

atInstanceOfExpr

public void atInstanceOfExpr(InstanceOfExpr expr)
                      throws CompileError

Overrides:

atInstanceOfExpr in class Visitor

Throws:

CompileError

atExpr

public void atExpr(Expr expr)
            throws CompileError

Overrides:

atExpr in class Visitor

Throws:

CompileError

atCallExpr

public void atCallExpr(CallExpr expr)
                throws CompileError

Overrides:

atCallExpr in class Visitor

Throws:

CompileError

atMethodCallCore

public MemberResolver.Method atMethodCallCore(CtClass targetClass,
                                              String mname,
                                              ASTList args)
                                       throws CompileError

Returns:

a pair of the class declaring the invoked method and the MethodInfo of that method. Never null.

Throws:

CompileError

getMethodArgsLength

public int getMethodArgsLength(ASTList args)

atMethodArgs

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

Throws:

CompileError

fieldAccess

protected CtField fieldAccess(ASTree expr)
                       throws CompileError

Throws:

CompileError

atClassObject

public void atClassObject(Expr expr)
                   throws CompileError

Throws:

CompileError

atArrayLength

public void atArrayLength(Expr expr)
                   throws CompileError

Throws:

CompileError

atArrayRead

public void atArrayRead(ASTree array,
                        ASTree index)
                 throws CompileError

Throws:

CompileError

atFieldPlusPlus

protected void atFieldPlusPlus(ASTree oprand)
                        throws CompileError

Throws:

CompileError

atMember

public void atMember(Member mem)
              throws CompileError

Overrides:

atMember in class Visitor

Throws:

CompileError

atVariable

public void atVariable(Variable v)
                throws CompileError

Overrides:

atVariable in class Visitor

Throws:

CompileError

atKeyword

public void atKeyword(Keyword k)
               throws CompileError

Overrides:

atKeyword in class Visitor

Throws:

CompileError

atStringL

public void atStringL(StringL s)
               throws CompileError

Overrides:

atStringL in class Visitor

Throws:

CompileError

atIntConst

public void atIntConst(IntConst i)
                throws CompileError

Overrides:

atIntConst in class Visitor

Throws:

CompileError

atDoubleConst

public void atDoubleConst(DoubleConst d)
                   throws CompileError

Overrides:

atDoubleConst in class Visitor

Throws:

CompileError