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org.multijava.mjc
Class JCharLiteral

java.lang.Object
  extended byorg.multijava.util.Utils
      extended byorg.multijava.util.compiler.Phylum
          extended byorg.multijava.mjc.JPhylum
              extended byorg.multijava.mjc.JExpression
                  extended byorg.multijava.mjc.JLiteral
                      extended byorg.multijava.mjc.JNumberLiteral
                          extended byorg.multijava.mjc.JOrdinalLiteral
                              extended byorg.multijava.mjc.JCharLiteral
All Implemented Interfaces:
Cloneable, Constants, Constants, PhylumType
public class JCharLiteral
extends JOrdinalLiteral

A simple character constant

Field Summary
private  Character value
           
 
Fields inherited from class org.multijava.mjc.JOrdinalLiteral
image, type
 
Fields inherited from class org.multijava.mjc.JExpression
EMPTY
 
Fields inherited from class org.multijava.util.compiler.Phylum
 
Fields inherited from class org.multijava.util.Utils
DBG_LEVEL_HIGH, DBG_LEVEL_LOW, DBG_LEVEL_NO
 
Fields inherited from interface org.multijava.mjc.Constants
ACC_MODIFIER_FLAGS_MASK, ACC_NON_NULL, ACC_NON_NULL_BY_DEFAULT, ACC_NULLABLE, ACC_NULLABLE_BY_DEFAULT, ACC_PURE, ACCESS_FLAG_ARRAY, ACCESS_FLAG_NAMES, AMID_JAVA_MATH, AMID_MAX, AMID_SAFE_MATH, CMP_VERSION, IMPLICITLY_NON_NULL, JAV_ASSERTION_ERROR, JAV_CLASS, JAV_CLASSLOADER, JAV_CLASSNOTFOUND_EXCEPTION, JAV_CLONE, JAV_CLONEABLE, JAV_CONSTRUCTOR, JAV_ERROR, JAV_EXCEPTION, JAV_INIT, JAV_LENGTH, JAV_NAME_SEPARATOR, JAV_NOCLASSDEFFOUND_ERROR, JAV_OBJECT, JAV_OUTER_THIS, JAV_RMJ_RUNTIME_EXCEPTION, JAV_RUNTIME, JAV_RUNTIME_EXCEPTION, JAV_SERIALIZABLE, JAV_STATIC_INIT, JAV_STRING, JAV_STRINGBUFFER, JAV_SUPER, JAV_THIS, JAV_THROWABLE, MJ_ANCHOR, NULLITY_MODS, OPE_BAND, OPE_BNOT, OPE_BOR, OPE_BSR, OPE_BXOR, OPE_EQ, OPE_GE, OPE_GT, OPE_LAND, OPE_LE, OPE_LNOT, OPE_LOR, OPE_LT, OPE_MINUS, OPE_NE, OPE_PERCENT, OPE_PLUS, OPE_POSTDEC, OPE_POSTINC, OPE_PREDEC, OPE_PREINC, OPE_SIMPLE, OPE_SL, OPE_SLASH, OPE_SR, OPE_STAR, TID_ARRAY, TID_BOOLEAN, TID_BYTE, TID_CHAR, TID_CLASS, TID_DOUBLE, TID_FLOAT, TID_INT, TID_LONG, TID_MAX, TID_SHORT, TID_VOID, UNIV_ARRAY_TMP, UNIV_TMP
 
Fields inherited from interface org.multijava.util.classfile.Constants
ACC_ABSTRACT, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VOLATILE, ATT_ANCHOR, ATT_BRIDGE, ATT_CODE, ATT_CONSTANTVALUE, ATT_DEPRECATED, ATT_DISPATCHER, ATT_EXCEPTIONS, ATT_GENERIC, ATT_GENERIC_FUNCTIONS, ATT_INNERCLASSES, ATT_LINENUMBERTABLE, ATT_LOCALVARIABLETABLE, ATT_MM_BODY, ATT_REDIRECTOR, ATT_RMJ_GLUE, ATT_RMJ_SIGNATURE, ATT_RUNTIME_VISIBLE_ANNOTATIONS, ATT_RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS, ATT_SIGNATURE, ATT_SOURCEFILE, ATT_SYNTHETIC, ATT_UNIVERSE_FIELD, ATT_UNIVERSE_METHOD, ATT_UNIVERSE_VERSION, CST_CLASS, CST_DOUBLE, CST_FIELD, CST_FLOAT, CST_INTEGER, CST_INTERFACEMETHOD, CST_LONG, CST_METHOD, CST_NAMEANDTYPE, CST_STRING, CST_UTF8, ENV_DEBUG_MODE, ENV_USE_CACHE, JAVA_MAGIC, JAVA_MAJOR, JAVA_MINOR, MAX_CODE_PER_METHOD, opc_aaload, opc_aastore, opc_aconst_null, opc_aload, opc_aload_0, opc_aload_1, opc_aload_2, opc_aload_3, opc_anewarray, opc_areturn, opc_arraylength, opc_astore, opc_astore_0, opc_astore_1, opc_astore_2, opc_astore_3, opc_athrow, opc_baload, opc_bastore, opc_bipush, opc_caload, opc_castore, opc_checkcast, opc_d2f, opc_d2i, opc_d2l, opc_dadd, opc_daload, opc_dastore, opc_dcmpg, opc_dcmpl, opc_dconst_0, opc_dconst_1, opc_ddiv, opc_dload, opc_dload_0, opc_dload_1, opc_dload_2, opc_dload_3, opc_dmul, opc_dneg, opc_drem, opc_dreturn, opc_dstore, opc_dstore_0, opc_dstore_1, opc_dstore_2, opc_dstore_3, opc_dsub, opc_dup, opc_dup2, opc_dup2_x1, opc_dup2_x2, opc_dup_x1, opc_dup_x2, opc_f2d, opc_f2i, opc_f2l, opc_fadd, opc_faload, opc_fastore, opc_fcmpg, opc_fcmpl, opc_fconst_0, opc_fconst_1, opc_fconst_2, opc_fdiv, opc_fload, opc_fload_0, opc_fload_1, opc_fload_2, opc_fload_3, opc_fmul, opc_fneg, opc_frem, opc_freturn, opc_fstore, opc_fstore_0, opc_fstore_1, opc_fstore_2, opc_fstore_3, opc_fsub, opc_getfield, opc_getstatic, opc_goto, opc_goto_w, opc_i2b, opc_i2c, opc_i2d, opc_i2f, opc_i2l, opc_i2s, opc_iadd, opc_iaload, opc_iand, opc_iastore, opc_iconst_0, opc_iconst_1, opc_iconst_2, opc_iconst_3, opc_iconst_4, opc_iconst_5, opc_iconst_m1, opc_idiv, opc_if_acmpeq, opc_if_acmpne, opc_if_icmpeq, opc_if_icmpge, opc_if_icmpgt, opc_if_icmple, opc_if_icmplt, opc_if_icmpne, opc_ifeq, opc_ifge, opc_ifgt, opc_ifle, opc_iflt, opc_ifne, opc_ifnonnull, opc_ifnull, opc_iinc, opc_iload, opc_iload_0, opc_iload_1, opc_iload_2, opc_iload_3, opc_imul, opc_ineg, opc_instanceof, opc_invokeinterface, opc_invokespecial, opc_invokestatic, opc_invokevirtual, opc_ior, opc_irem, opc_ireturn, opc_ishl, opc_ishr, opc_istore, opc_istore_0, opc_istore_1, opc_istore_2, opc_istore_3, opc_isub, opc_iushr, opc_ixor, opc_jsr, opc_jsr_w, opc_l2d, opc_l2f, opc_l2i, opc_ladd, opc_laload, opc_land, opc_lastore, opc_lcmp, opc_lconst_0, opc_lconst_1, opc_ldc, opc_ldc2_w, opc_ldc_w, opc_ldiv, opc_lload, opc_lload_0, opc_lload_1, opc_lload_2, opc_lload_3, opc_lmul, opc_lneg, opc_lookupswitch, opc_lor, opc_lrem, opc_lreturn, opc_lshl, opc_lshr, opc_lstore, opc_lstore_0, opc_lstore_1, opc_lstore_2, opc_lstore_3, opc_lsub, opc_lushr, opc_lxor, opc_monitorenter, opc_monitorexit, opc_multianewarray, opc_new, opc_newarray, opc_nop, opc_pop, opc_pop2, opc_putfield, opc_putstatic, opc_ret, opc_return, opc_saload, opc_sastore, opc_sipush, opc_swap, opc_tableswitch, opc_wide, opc_xxxunusedxxx, POO_ASCII_CONSTANT, POO_CLASS_CONSTANT, POO_DOUBLE_CONSTANT, POO_FLOAT_CONSTANT, POO_INTEGER_CONSTANT, POO_LONG_CONSTANT, POO_NAT_CONSTANT, POO_REF_CONSTANT, POO_STRING_CONSTANT, TYP_ADDRESS, TYP_DOUBLE, TYP_FLOAT, TYP_INT, TYP_LONG, TYP_REFERENCE, TYP_VOID
 
Constructor Summary
JCharLiteral(TokenReference where, char val)
          Construct a node in the parsing tree
JCharLiteral(TokenReference where, Object val)
          Construct a node in the parsing tree
JCharLiteral(TokenReference where, String image)
          Construct a node in the parsing tree
 
Method Summary
 void accept(MjcVisitor p)
          Accepts the specified visitor
 JExpression convertType(CType dest, CExpressionContextType context)
          convertType changes the type of this expression to an other
 CType getType()
          Compute the type of this expression (called after parsing)
 Object getValue()
          get a Character that represents the value of this literal Do not call before typecheck
 boolean isAssignableTo(CType dest)
          Is this type assignable to the given type by assignment type conversion [JLS2 5.2].
 Number numberValue()
          get a Number that represents the value of this literal Do not call before typecheck
 String toString()
           
 JExpression typecheck(CExpressionContextType context)
          Typechecks the expression and mutates the context to record information gathered during typechecking.
 
Methods inherited from class org.multijava.mjc.JOrdinalLiteral
calculateType, genCode, image, isImageOnly, isOrdinalLiteral, negate
 
Methods inherited from class org.multijava.mjc.JNumberLiteral
isDefault
 
Methods inherited from class org.multijava.mjc.JLiteral
createLiteral, getLiteral, isConstant, isLiteral, isLValue
 
Methods inherited from class org.multijava.mjc.JExpression
buildUniverseDynChecks, clone, dumpArray, fail, genBranch, genUniverseDynCheckCode, getApparentType, getBooleanLiteral, getFANonNulls, getFANulls, getNumberLiteral, getOrdinalLiteral, getRealLiteral, getStringLiteral, isBooleanLiteral, isDeclaredNonNull, isMaybeInitializable, isNonNull, isRealLiteral, isStatementExpression, isStringLiteral, typecheck, unParenthesize
 
Methods inherited from class org.multijava.mjc.JPhylum
check, check, check, check, fail, fail, warn, warn, warn, warn
 
Methods inherited from class org.multijava.util.compiler.Phylum
getTokenReference, setTokenReference
 
Methods inherited from class org.multijava.util.Utils
assertTrue, assertTrue, combineArrays, escapeString, escapeString, fail, fail, getFilePath, hasFlag, hasOtherFlags, parsePathParts, relativePathTo, splitQualifiedName, splitQualifiedName, stripJavaModifiers, stripNonJavaModifiers, stripPrivateModifier, unescapeString, vectorToArray, vectorToIntArray
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

value

private Character value
Constructor Detail

JCharLiteral

public JCharLiteral(TokenReference where,
                    String image)
Construct a node in the parsing tree

Parameters:
where - the line of this node in the source code
image - the string representation of this literal

JCharLiteral

public JCharLiteral(TokenReference where,
                    char val)
Construct a node in the parsing tree

Parameters:
where - the line of this node in the source code
val - the value of this literal

JCharLiteral

public JCharLiteral(TokenReference where,
                    Object val)
Construct a node in the parsing tree

Parameters:
where - the line of this node in the source code
val - the value of this literal
Method Detail

toString

public String toString()
Overrides:
toString in class JNumberLiteral

getType

public CType getType()
Compute the type of this expression (called after parsing)

Overrides:
getType in class JOrdinalLiteral
Returns:
the type of this expression

numberValue

public Number numberValue()
get a Number that represents the value of this literal Do not call before typecheck

Overrides:
numberValue in class JOrdinalLiteral

getValue

public Object getValue()
get a Character that represents the value of this literal Do not call before typecheck

Overrides:
getValue in class JOrdinalLiteral

typecheck

public JExpression typecheck(CExpressionContextType context)
                      throws PositionedError
Typechecks the expression and mutates the context to record information gathered during typechecking.

Overrides:
typecheck in class JOrdinalLiteral
Parameters:
context - the context in which this expression appears
Returns:
a desugared Java expression (see JExpression.typecheck())
Throws:
PositionedError - if the check fails

convertType

public JExpression convertType(CType dest,
                               CExpressionContextType context)
                        throws PositionedError
convertType changes the type of this expression to an other

Overrides:
convertType in class JOrdinalLiteral
Parameters:
dest - the destination type
Throws:
PositionedError

isAssignableTo

public boolean isAssignableTo(CType dest)
Is this type assignable to the given type by assignment type conversion [JLS2 5.2]. This considers both widening and narrowing conversions.

Overrides:
isAssignableTo in class JOrdinalLiteral
Parameters:
dest - the destination type
Returns:
true iff assignment is valid

accept

public void accept(MjcVisitor p)
Accepts the specified visitor

Overrides:
accept in class JOrdinalLiteral
Parameters:
p - the visitor
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JML is Copyright (C) 1998-2002 by Iowa State University and is distributed under the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This release depends on code from the MultiJava project and is based in part on the Kopi project Copyright (C) 1990-99 DMS Decision Management Systems Ges.m.b.H.