byucc.edif.libraries.xilinx
Class SignalSymbol

java.lang.Object
  byucc.edif.libraries.xilinx.Symbol
      byucc.edif.libraries.xilinx.SignalSymbol

All Implemented Interfaces:

VhdlParserConstants

class SignalSymbol

extends Symbol

Represents and entry in the symbol tables for a signal or a variable. if a signal kind is given, a signal is generated, if a signal kind is not given, a variable is generated by the constructor.

Version:

$Id: Symbol.java,v 1.2 2004/05/06 00:47:34 tsa6 Exp $

Field Summary

java.lang.String	identifier The identifier-string from the source-code
ASTrelation	init Expression for initial value
int	kind What type is it: procedure, type, signal, ...
java.lang.String	last_alias The last alias used in the KIR-Graph
int	signal_kind Kind of this signal
Symbol	type Type of this signal

Fields inherited from interface byucc.edif.libraries.xilinx.VhdlParserConstants

ABS, ACCESS, ACROSS, ADD, AFTER, ALIAS, ALL, AND, ARCHITECTURE, ARRAY, ASSERT, ATTRIBUTE, base, base_specifier, based_integer, based_literal, basic_character, basic_graphic_character, basic_identifier, BEGIN, bit_string_literal, bit_value, BLOCK, BODY, BREAK, BUFFER, BUS, CASE, character_literal, COMMENT, COMPONENT, CONCAT, CONFIGURATION, CONSTANT, decimal_literal, DEFAULT, digit, DISCONNECT, DIV, DOWNTO, ELSE, ELSIF, END, ENTITY, EOF, EQ, EXIT, EXP, exponent, extended_digit, extended_identifier, FILE, FOR, format_effector, FUNCTION, GE, GENERATE, GENERIC, graphic_character, GROUP, GT, GUARDED, IF, IMPURE, IN, INERTIAL, INOUT, integer, IS, LABEL, LE, letter, letter_or_digit, LIBRARY, LINKAGE, LITERAL, LO, LOOP, lower_case_letter, MAP, MOD, MUL, NAND, NATURE, NEQ, NEW, NEXT, NOISE, NOR, NOT, NULL, OF, ON, OPEN, OR, other_special_character, OTHERS, OUT, PACKAGE, PORT, POSTPONED, PROCEDURAL, PROCEDURE, PROCESS, PURE, QUANTITY, RANGE, RECORD, REGISTER, REJECT, REM, REPORT, RETURN, ROL, ROR, SELECT, SEMICOLON, SEVERITY, SHARED, SIGNAL, SLA, SLL, special_character, SPECTRUM, SRA, SRL, string_literal, SUB, SUBNATURE, SUBTYPE, TERMINAL, THEN, THROUGH, TO, tokenImage, TOLERANCE, TRANSPORT, TYPE, UNAFFECTED, underline, UNITS, UNTIL, upper_case_letter, USE, VARIABLE, WAIT, WHEN, WHILE, WITH, XNOR, XOR

Constructor Summary

SignalSymbol(java.lang.String id, Symbol t, ASTrelation i)
Create a new variable symbol for the identifier id with the type t and the inition value i.

SignalSymbol(java.lang.String id, Symbol t, int sk, ASTrelation i)
Create a new signal symbol for the identifier id with the type t of a signal-kind (bus, register,...) sk and an initial value i

Method Summary

void	dump() print the symbol on screen for debugging purposes.

Methods inherited from class java.lang.Object

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

Field Detail

type

public Symbol type

Type of this signal

signal_kind

public int signal_kind

Kind of this signal

init

public ASTrelation init

Expression for initial value

identifier

public java.lang.String identifier

The identifier-string from the source-code

last_alias

public java.lang.String last_alias

The last alias used in the KIR-Graph

kind

public int kind

What type is it: procedure, type, signal, ...

Constructor Detail

SignalSymbol

public SignalSymbol(java.lang.String id,
                    Symbol t,
                    int sk,
                    ASTrelation i)

Create a new signal symbol for the identifier id with the type t of a signal-kind (bus, register,...) sk and an initial value i

SignalSymbol

public SignalSymbol(java.lang.String id,
                    Symbol t,
                    ASTrelation i)

Create a new variable symbol for the identifier id with the type t and the inition value i.

Method Detail

dump

public void dump()

print the symbol on screen for debugging purposes.