Package | Description |
---|---|
java_cup | |
java_cup.runtime | |
java_cup.simple_calc |
Modifier and Type | Method and Description |
---|---|
static Symbol |
lexer.debug_next_token()
Debugging version of next_token().
|
Symbol |
parser.do_action(int act_num,
lr_parser parser,
java.util.Stack stack,
int top)
Invoke a user supplied parse action.
|
protected static Symbol |
lexer.do_code_string()
Swallow up a code string.
|
protected static Symbol |
lexer.do_id()
Process an identifier.
|
static Symbol |
lexer.next_token()
Return one Symbol.
|
protected static Symbol |
lexer.real_next_token()
The actual routine to return one Symbol.
|
Symbol |
parser.scan()
Scan to get the next Symbol.
|
Modifier and Type | Field and Description |
---|---|
protected Symbol |
lr_parser.cur_token
The current lookahead Symbol.
|
protected Symbol[] |
lr_parser.lookahead
Lookahead Symbols used for attempting error recovery "parse aheads".
|
Modifier and Type | Method and Description |
---|---|
protected Symbol |
lr_parser.cur_err_token()
Return the current lookahead in our error "parse ahead" buffer.
|
Symbol |
lr_parser.debug_parse()
Perform a parse with debugging output.
|
abstract Symbol |
lr_parser.do_action(int act_num,
lr_parser parser,
java.util.Stack stack,
int top)
Perform a bit of user supplied action code (supplied by generated
subclass).
|
Symbol |
Scanner.next_token()
Return the next token, or
null on end-of-file. |
Symbol |
lr_parser.parse()
This method provides the main parsing routine.
|
Symbol |
lr_parser.scan()
Get the next Symbol from the input (supplied by generated subclass).
|
Modifier and Type | Method and Description |
---|---|
void |
lr_parser.debug_shift(Symbol shift_tkn)
Do debug output for shift.
|
void |
lr_parser.syntax_error(Symbol cur_token)
This method is called when a syntax error has been detected and recovery
is about to be invoked.
|
void |
lr_parser.unrecovered_syntax_error(Symbol cur_token)
This method is called if it is determined that syntax error recovery
has been unsuccessful.
|
Modifier and Type | Method and Description |
---|---|
Symbol |
parser.do_action(int act_num,
lr_parser parser,
java.util.Stack stack,
int top)
Invoke a user supplied parse action.
|
Symbol |
scanner.next_token() |