mirror of https://github.com/cheat/cheat.git
77 lines
3.0 KiB
Go
77 lines
3.0 KiB
Go
package p
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// nolint
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// Lexer for the Plutus Core Languages (version 2.1)
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//
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// including both Typed- and Untyped- versions
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// based on “Formal Specification of the Plutus Core Language (version 2.1)”, published 6th April 2021:
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// https://hydra.iohk.io/build/8205579/download/1/plutus-core-specification.pdf
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var PlutusCoreLang = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Plutus Core",
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Aliases: []string{"plutus-core", "plc"},
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Filenames: []string{"*.plc"},
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MimeTypes: []string{"text/x-plutus-core", "application/x-plutus-core"},
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},
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plutusCoreRules,
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))
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func plutusCoreRules() Rules {
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return Rules{
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"root": {
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{`\s+`, Text, nil},
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{`(\(|\))`, Punctuation, nil},
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{`(\[|\])`, Punctuation, nil},
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{`({|})`, Punctuation, nil},
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// Constants. Figure 1.
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// For version, see handling of (program ...) below.
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{`([+-]?\d+)`, LiteralNumberInteger, nil},
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{`(#([a-fA-F0-9][a-fA-F0-9])+)`, LiteralString, nil},
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{`(\(\))`, NameConstant, nil},
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{`(True|False)`, NameConstant, nil},
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// Keywords. Figures 2 and 15.
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// Special handling for program because it is followed by a version.
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{`(con |abs |iwrap |unwrap |lam |builtin |delay |force |error)`, Keyword, nil},
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{`(fun |all |ifix |lam |con )`, Keyword, nil},
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{`(type|fun )`, Keyword, nil},
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{`(program )(\S+)`, ByGroups(Keyword, LiteralString), nil},
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// Built-in Types. Figure 12.
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{`(unit|bool|integer|bytestring|string)`, KeywordType, nil},
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// Built-ins Functions. Figure 14 but, more importantly, implementation:
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// https://github.com/input-output-hk/plutus/blob/6d759c4/plutus-core/plutus-core/src/PlutusCore/Default/Builtins.hs#L42-L111
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{`(addInteger |subtractInteger |multiplyInteger |divideInteger |quotientInteger |remainderInteger |modInteger |equalsInteger |lessThanInteger |lessThanEqualsInteger )`, NameBuiltin, nil},
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{`(appendByteString |consByteString |sliceByteString |lengthOfByteString |indexByteString |equalsByteString |lessThanByteString |lessThanEqualsByteString )`, NameBuiltin, nil},
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{`(sha2_256 |sha3_256 |blake2b_256 |verifySignature )`, NameBuiltin, nil},
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{`(appendString |equalsString |encodeUtf8 |decodeUtf8 )`, NameBuiltin, nil},
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{`(ifThenElse )`, NameBuiltin, nil},
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{`(chooseUnit )`, NameBuiltin, nil},
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{`(trace )`, NameBuiltin, nil},
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{`(fstPair |sndPair )`, NameBuiltin, nil},
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{`(chooseList |mkCons |headList |tailList |nullList )`, NameBuiltin, nil},
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{`(chooseData |constrData |mapData |listData |iData |bData |unConstrData |unMapData |unListData |unIData |unBData |equalsData )`, NameBuiltin, nil},
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{`(mkPairData |mkNilData |mkNilPairData )`, NameBuiltin, nil},
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// Name. Figure 1.
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{`([a-zA-Z][a-zA-Z0-9_']*)`, Name, nil},
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// Unicode String. Not in the specification.
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{`"`, LiteralStringDouble, Push("string")},
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},
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"string": {
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{`[^\\"]+`, LiteralStringDouble, nil},
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{`"`, LiteralStringDouble, Pop(1)},
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},
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}
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}
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