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Class java_cup.runtime.Symbol
java.lang.Object
|
+----java_cup.runtime.Symbol
- public class Symbol
- extends Object
Class Symbol
what the parser expects to receive from the lexer.
the token is identified as follows:
sym: the symbol type
parse_state: the parse state.
value: is the lexical value of type Object
left : is the left position in the original input file
right: is the right position in the original input file
-
left
- The data passed to parser
-
parse_state
- The parse state to be recorded on the parse stack with this symbol.
-
right
- The data passed to parser
-
sym
- The symbol number of the terminal or non terminal being represented
-
value
-
-
Symbol(int)
- Constructor for no value or l,r
-
Symbol(int, int)
- Constructor to give a start state
-
Symbol(int, int, int)
- Constructor for no value
-
Symbol(int, int, int, Object)
- Constructor for l,r values
-
Symbol(int, Object)
- Constructor for no l,r values
sym
public int sym
- The symbol number of the terminal or non terminal being represented
parse_state
public int parse_state
- The parse state to be recorded on the parse stack with this symbol.
This field is for the convenience of the parser and shouldn't be
modified except by the parser.
left
public int left
- The data passed to parser
right
public int right
- The data passed to parser
value
public Object value
Symbol
public Symbol(int id,
int l,
int r,
Object o)
- Constructor for l,r values
Symbol
public Symbol(int id,
Object o)
- Constructor for no l,r values
Symbol
public Symbol(int sym_num,
int l,
int r)
- Constructor for no value
Symbol
public Symbol(int sym_num)
- Constructor for no value or l,r
Symbol
public Symbol(int sym_num,
int state)
- Constructor to give a start state
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