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java.lang.Objectorg.jacorb.idl.runtime.symbol
This class represents a (terminal or non-terminal) symbol that, among other things can be placed on the parse stack. Symbols are used to keep track of state on the parse stack. The symbol currently on top of the stack contains the current state in the parse_state field. In addition to the parse_state field, symbols also maintain a record of the symbol number that they represent in the sym field. Finally, symbols are used contain to any attributes used by semantic action (this is done via fields added in subclasses -- see for example, int_token and str_token).
token
,
int_token
,
str_token
Field Summary | |
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int |
parse_state
The parse state to be recorded on the parse stack with this symbol. |
int |
sym
The symbol number of the terminal or non terminal being represented |
Constructor Summary | |
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symbol(int sym_num)
Constructor without a known state. |
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symbol(int sym_num,
int state)
Full constructor. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public int sym
public int parse_state
Constructor Detail |
public symbol(int sym_num, int state)
public symbol(int sym_num)
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