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