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/*
$echo FILE: pathological.lex
$echo Purpose: Rules that do no derive T strings
$echo Error
*/
/@
@** pathological Grammar.\fbreak
Test on the variants on pathological grammars.\fbreak
RA,RB,RD,RF are variants on rules not deriving ${^* \Rightarrow}$ t.
@/
fsm
(fsm-id "pathological.lex",fsm-filename pathological,fsm-namespace NS_pathological
,fsm-class Cpathological
,fsm-version "1.0",fsm-date "24 Mar. 2006",fsm-debug "true"
,fsm-comments "pathological grammar")
@"/usr/local/yacco2/compiler/grammars/yacco2_T_includes.T"
/@
@** Rules.\fbreak
@/
rules{
Rstart AD AB(){
-> RA eog
-> RB eog
-> RD eog
-> RF eog
}
/@
@** |RA| rule.\fbreak
Call self.
@/
RA AD AB()
{
-> RA
}
/@
@** |RB| rule.\fbreak
Indirect call on self.
@/
RB AD AB()
{
-> RC
}
RC AD AB()
{
-> RB
}
/@
@** |RD| rule.\fbreak
${\alpha}${} ${^* \Rightarrow}${} ${\epsilon}${} with right recursion.
@/
RD AD AB()
{
-> RE RD
}
RE AD AB()
{
->
}
/@
@** |RF| rule.\fbreak
${\alpha}${} ${^+ \Rightarrow}${} ${1}${} with right recursion.
@/
RF AD AB()
{
-> RG RF
}
RG AD AB()
{
-> 1
}
}// end of rules
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