at.dms.kjc
Class JBlock

java.lang.Object
  |
  +--at.dms.util.Utils
        |
        +--at.dms.compiler.Phylum
              |
              +--at.dms.kjc.JPhylum
                    |
                    +--at.dms.kjc.JStatement
                          |
                          +--at.dms.kjc.JBlock
All Implemented Interfaces:
Constants, Constants
Direct Known Subclasses:
JClassBlock, JConstructorBlock

public class JBlock
extends JStatement

Block. (JLS 14.2) A block is a sequence of statements and local variable declaration statements within braces.


Field Summary
protected  JStatement[] body
          Statements in the body of the block.
 
Fields inherited from class at.dms.util.Utils
DBG_LEVEL_HIGH, DBG_LEVEL_LOW, DBG_LEVEL_NO
 
Fields inherited from interface at.dms.kjc.Constants
CMP_VERSION, JAV_CLASS, JAV_CLONE, JAV_CLONEABLE, JAV_CONSTRUCTOR, JAV_ERROR, JAV_EXCEPTION, JAV_INIT, JAV_LENGTH, JAV_NAME_SEPARATOR, JAV_OBJECT, JAV_OUTER_THIS, JAV_RUNTIME, JAV_RUNTIME_EXCEPTION, JAV_STATIC_INIT, JAV_STRING, JAV_STRINGBUFFER, JAV_THIS, JAV_THROWABLE, OPE_BAND, OPE_BNOT, OPE_BOR, OPE_BSR, OPE_BXOR, OPE_EQ, OPE_GE, OPE_GT, OPE_LE, OPE_LNOT, 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_SHORT, TID_VOID
 
Fields inherited from interface at.dms.classfile.Constants
ACC_ABSTRACT, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_NBR_FLAGS, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_TRANSIENT, ACC_VOLATILE, ATT_CODE, ATT_CONSTANTVALUE, ATT_DEPRECATED, ATT_EXCEPTIONS, ATT_GENERIC, ATT_INNERCLASSES, ATT_LINENUMBERTABLE, ATT_LOCALVARIABLETABLE, ATT_SOURCEFILE, ATT_SYNTHETIC, 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_dup_x1, opc_dup_x2, opc_dup2, opc_dup2_x1, opc_dup2_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_ldc_w, opc_ldc2_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
JBlock(TokenReference where, JStatement[] body, JavaStyleComment[] comments)
          Construct a node in the parsing tree.
 
Method Summary
 void accept(KjcVisitor p)
          Accepts the specified visitor.
 void checkStatement(CBodyContext context)
          Check statement.
 void genCode(CodeSequence code)
          Generates a sequence of bytecodes
 JStatement[] getBody()
          Returns statements in the body of the block.
 void setBody(JStatement[] body)
          Installs a new body in this block.
 
Methods inherited from class at.dms.kjc.JStatement
acceptsBreak, acceptsContinue, addBreak, addContinue, checkBody, fail, getBreakLabel, getComments, getContinueLabel
 
Methods inherited from class at.dms.kjc.JPhylum
check, check, check, check
 
Methods inherited from class at.dms.compiler.Phylum
getTokenReference, setTokenReference
 
Methods inherited from class at.dms.util.Utils
assert, assert, fail, fail, hasFlag, hasMoreThanOneFlag, hasOtherFlags, splitQualifiedName, splitQualifiedName, vectorToArray, vectorToIntArray
 
Methods inherited from class java.lang.Object
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

body

protected JStatement[] body
Statements in the body of the block.
Constructor Detail

JBlock

public JBlock(TokenReference where,
              JStatement[] body,
              JavaStyleComment[] comments)
Construct a node in the parsing tree.
Parameters:
where - The line of this node in the source code.
Method Detail

getBody

public JStatement[] getBody()
Returns statements in the body of the block.

setBody

public void setBody(JStatement[] body)
Installs a new body in this block.

checkStatement

public void checkStatement(CBodyContext context)
                    throws PositionedError
Check statement.
Overrides:
checkStatement in class JStatement
Parameters:
context - The actual context of analyse.
Throws:
PositionedError - If the check fails.

accept

public void accept(KjcVisitor p)
Accepts the specified visitor.
Overrides:
accept in class JStatement
Parameters:
p - The visitor.

genCode

public void genCode(CodeSequence code)
Generates a sequence of bytecodes
Overrides:
genCode in class JStatement
Parameters:
code - the code list