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java.lang.Objectjava_cup.runtime.lr_parser
ppg.parse.Parser
public class Parser
CUP v0.10k generated parser.
| Field Summary | |
|---|---|
protected static short[][] |
_action_table
Parse-action table. |
protected static short[][] |
_production_table
Production table. |
protected static short[][] |
_reduce_table
reduce_goto table. |
protected ppg.parse.CUP$Parser$actions |
action_obj
Instance of action encapsulation class. |
| Fields inherited from class java_cup.runtime.lr_parser |
|---|
_done_parsing, _error_sync_size, action_tab, cur_token, lookahead, lookahead_pos, production_tab, reduce_tab, stack, tos |
| Constructor Summary | |
|---|---|
Parser()
Default constructor. |
|
Parser(java_cup.runtime.Scanner s)
Constructor which sets the default scanner. |
|
Parser(java.lang.String fname,
Lexer lex)
|
|
| Method Summary | |
|---|---|
short[][] |
action_table()
Access to parse-action table. |
java_cup.runtime.Symbol |
do_action(int act_num,
java_cup.runtime.lr_parser parser,
java.util.Stack stack,
int top)
Invoke a user supplied parse action. |
int |
EOF_sym()
EOF Symbol index. |
int |
error_sym()
error Symbol index. |
static java.lang.String |
getFilename()
|
static java.lang.Object |
getProgramNode()
|
protected void |
init_actions()
Action encapsulation object initializer. |
short[][] |
production_table()
Access to production table. |
short[][] |
reduce_table()
Access to reduce_goto table. |
void |
report_fatal_error(java.lang.String message,
java.lang.Object info)
Report a fatal error. |
java_cup.runtime.Symbol |
scan()
Scan to get the next Symbol. |
static void |
setProgramNode(java.lang.Object n)
|
int |
start_production()
Indicates start production. |
int |
start_state()
Indicates start state. |
void |
syntax_error(java_cup.runtime.Symbol cur_token)
This method is called when a syntax error has been detected and recovery is about to be invoked. |
| Methods inherited from class java_cup.runtime.lr_parser |
|---|
advance_lookahead, cur_err_token, debug_message, debug_parse, debug_reduce, debug_shift, debug_stack, done_parsing, dump_stack, error_recovery, error_sync_size, find_recovery_config, get_action, get_reduce, getScanner, parse_lookahead, parse, read_lookahead, report_error, restart_lookahead, setScanner, shift_under_error, try_parse_ahead, unpackFromStrings, unrecovered_syntax_error, user_init |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected static final short[][] _production_table
protected static final short[][] _action_table
protected static final short[][] _reduce_table
reduce_goto table.
protected ppg.parse.CUP$Parser$actions action_obj
| Constructor Detail |
|---|
public Parser()
public Parser(java_cup.runtime.Scanner s)
public Parser(java.lang.String fname,
Lexer lex)
| Method Detail |
|---|
public short[][] production_table()
production_table in class java_cup.runtime.lr_parserpublic short[][] action_table()
action_table in class java_cup.runtime.lr_parserlr_parser.get_action(int, int)public short[][] reduce_table()
reduce_goto table.
reduce_table in class java_cup.runtime.lr_parserlr_parser.get_reduce(int, int)protected void init_actions()
init_actions in class java_cup.runtime.lr_parser
public java_cup.runtime.Symbol do_action(int act_num,
java_cup.runtime.lr_parser parser,
java.util.Stack stack,
int top)
throws java.lang.Exception
do_action in class java_cup.runtime.lr_parseract_num - the internal index of the action to be performed.parser - the parser object we are acting for.stack - the parse stack of that object.top - the index of the top element of the parse stack.
java.lang.Exceptionpublic int start_state()
start_state in class java_cup.runtime.lr_parserpublic int start_production()
start_production in class java_cup.runtime.lr_parserpublic int EOF_sym()
EOF Symbol index.
EOF_sym in class java_cup.runtime.lr_parserpublic int error_sym()
error Symbol index.
error_sym in class java_cup.runtime.lr_parser
public java_cup.runtime.Symbol scan()
throws java.lang.Exception
scan in class java_cup.runtime.lr_parserjava.lang.Exceptionpublic static java.lang.String getFilename()
public void syntax_error(java_cup.runtime.Symbol cur_token)
java_cup.runtime.lr_parser
syntax_error in class java_cup.runtime.lr_parsercur_token - the current lookahead Symbol.
public void report_fatal_error(java.lang.String message,
java.lang.Object info)
java_cup.runtime.lr_parser
report_fatal_error in class java_cup.runtime.lr_parsermessage - an error message.info - an extra object reserved for use by specialized subclasses.public static java.lang.Object getProgramNode()
public static void setProgramNode(java.lang.Object n)
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