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Ignore internal non-terminals in parser #264

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andreasabel opened this issue Nov 4, 2019 · 0 comments
Closed

Ignore internal non-terminals in parser #264

andreasabel opened this issue Nov 4, 2019 · 0 comments
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@andreasabel
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bug internal rules Concerning the "internal" keyword.
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2.8.4

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@andreasabel
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Prg. Program ::= "main" ;
internal VInt. Value ::= Integer ;

BNFC does currently not produce a valid Happy parser for this.

happy InternalCat/Par.y
InternalCat/Par.y: unknown identifier 'Value'

When generating the parser, we should ignore all non-parsable rules.
@andreasabel andreasabel added bug internal rules Concerning the "internal" keyword. labels Nov 4, 2019
@andreasabel andreasabel added this to the 2.8.4 milestone Nov 4, 2019
@andreasabel andreasabel self-assigned this Nov 24, 2019
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bug internal rules Concerning the "internal" keyword.
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