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[ 0 5 ] Using the Bottom - UP parsing ( syntactical analysis ) algorithm, trace the first 5 iterations of the parser given the
Using the BottomUP parsing syntactical analysis algorithm, trace the first iterations of the parser given the input: $ Show only the contents of the STACK each iteration.
The parser at initial configuration stack input
state# action stack
while action "accept" & action error
state# stack right, nextToken input left
Grammar
Find action
action ActionTable rowstate# cohmnnnextToken
state # the index part of the action eg if action state #
if action
Shift
Push nextToken and state"
else
Reduce
Remove top of the stack token and its state#
Exposed state, State current stack right statel" after
id
Push the LHS nonterminal of the rule of the removed token in
state GOTOTable xStae# in LHS in
Push the state
endIF
If action void cell error
if any error detected
handleError errorType
error TRUE
endIF
tableSuteTerminals,NonTerminalsActionCotoldErssSA$sccept,,,RARARRsssRSRRSssSASSsi
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