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Added a comment re generic peg.js grammar

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Daniel
2021-02-01 10:59:17 +01:00
parent 24dd1164cc
commit 5e52d4633a
1 changed files with 11 additions and 1 deletions
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odata/lib/odata2cqn.pegjs
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@@ -1,5 +1,15 @@
/** ------------------------------------------
* Odata Spec http://docs.oasis-open.org/odata/odata/v4.0/errata03/os/complete/abnf/odata-abnf-construction-rules.txt
* This is a peg.js adaptation of the https://github.com/oasis-tcs/odata-abnf/blob/master/abnf/odata-abnf-construction-rules.txt
* which directly constructs CQN out of parsed sources.
*
* NOTE:
* In contrast to the OData ABNF source, which uses very detailedsemantic rules,
* this adaptation uses rather generic syntactic rules only, e.g. not distinguishing
* betwenn Collection Navigation or not knowing individual function names.
* This is to be open to future enhancements of the OData standard, as well as
* to improve error messages. For example a typo in a function name could be
* reported specifically instead of throwing a generic parser error.
*
* Future test cases http://docs.oasis-open.org/odata/odata/v4.0/errata03/os/complete/abnf/odata-abnf-testcases.xml
*
* Limitations: Type, Geo functions are not supported,