ISIS assisting facility

I have been trying to develop an ASSISTING facility to help MICRO ISIS
users with the creation of databases. I thought about designing this
helping facility based on the grammar which I have appended to this. Is
there any public domain tool I can obtain in order to transform this
grammar into LL(1)? What type of approach is best suitable to solve this
problem?


Thanks in advance,


Jackson


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<isis-fmt> :== <fmt-elem>|<fmt-elem><separator><isis-fmt>
<separator>:==,|space|<spacing-string>|,<separator>|space<separator>
<spacing-string>:==<spacing-parameter>|<spacing-parameter><spacing-string>
<spacing-parameter>:==/|#|%|C<integer>|X<integer>
<fmt-elem>:== <field-selector>|<dummy-field>|<u-lit>|<spacing-string>|<mfn>|
                            <mode-parameter>|<esc-string>|<repeatable-group>
<u-lit>:=='<character-string>'|<character-string>
<mfn>:==MFN|MFN(<integer>)
<mode-parameter>:==MPL|MPU|MHL|MHU|MDL|MDU
<esc-string>:==!<esc-d><esc-sequence><esc-d>
<esc-d>:==any character not contained in <esc-sequence>
<repeatable-group>:==(<isis-fmt>)
<field-selector>:==<field-fmt>|<prefix><field-fmt>|<prefix><field-fmt><suffix>
<dummy-field>:==<dummy-id>|<c-string><dummy-id>
<dummy-id>:==D<field-id>|N<field-id>
<field-fmt>:==<field>|<field>(<indention>)
<indention>:==<integer>|<integer>,<integer>
<field>:==V<field-id>
<field-id>:==<integer>|<integer>^<char>
<prefix>:==<c-string>|<c-string><r-prelit>|<r-prelit>
<c-string>:==<c-lit>|<c-lit><c-group>|<c-lit><c-string>
<c-group>:==<c-fmt>|<c-fmt><c-group>
<c-fmt>:==<spacing-string>|<esc-string>|<mode-parameter>
<r-prelit>:==<r-lit>|<r-lit>+
<sufix>:==<r-poslit>|<c-lit>|<r-poslit><c-lit>
<r-poslit>:==<r-lit>|+<r-lit>
<c-lit>:=="<character-string>"
<r-lit>:==|<character-string>|
--

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