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grammars's Introduction

Grammars

This repository collects grammar specifications for languages and formats in the Aleo ecosystem. Copies of these grammars can be found in other Aleo repositories, where they are used for various purposes (e.g. documentation), but the main copies are in this repository. These main copies should be the first ones to be edited for changes and extensions, with the other copies to follow suit as practical (updating the other copies may require updating other parts of those repositories, so it is expected that those copies may be temporarily out of date when these main copies are modified).

Contents of this repository:

  • leo.abnf is the ABNF grammar of Leo.
  • aleo.abnf is the ABNF grammar of Aleo instructions.

See the Aleo developer documentation for infomation on Leo and Aleo instructions.

See this Wikipedia page for information on the ABNF grammar notation. Note that lines of ABNF grammar files must be terminated by CR LF, which is enforced via .gitattributes file entries; this is a requirement of the ABNF grammar notation itself (but does not apply to languages whose syntax is specified in ABNF).

grammars's People

Contributors

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Stargazers

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Watchers

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Forkers

harukama deograciousaggrey jamesban00 bluetico sinah00 sadeghr00 antonmatveychuk erkankaragul cryptokidspark amirrezaeian1375 ebrakbr sskav7 naji1368 samtrader3388 scliin1 sclin222 hoda333 stvolodya hyangray taarkhon sweetvicta kazemi1367 sujoypal12112008 wilkinsanthony41

grammars's Issues

Finalize-type for key and values

The grammar uses the same finalize-type for
mapping key and values However the implementation only considers the “.public” type.

image

Leo ABNF doesn't cover associated function calls

When trying to re-implement compiler checks, I've found that there are associated functions for some basic types, like:

    transition main(id_type: i8) -> i8 {
        let x: i8 = id_type.abs();
        let y: i8 = x.add(id_type);
        return y;
    }

However it doesn't seems like they are defined in the grammar.

Finalize-type for inputs

The grammar allows two extra finalize-type's that are not taken into account in the implementation.

image

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