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chroma/lexers/apl.go
Alec Thomas a10fd0a23d Switch to github.com/dlclark/regexp2.
This makes translating Pygments lexers much much simpler (and possible).
2017-09-18 11:16:44 +10:00

36 lines
1.2 KiB
Go

package lexers
import (
. "github.com/alecthomas/chroma" // nolint
)
// Apl lexer.
var Apl = Register(MustNewLexer(
&Config{
Name: "APL",
Aliases: []string{"apl"},
Filenames: []string{"*.apl"},
MimeTypes: []string{},
},
Rules{
"root": {
{`\s+`, Text, nil},
{`[⍝#].*$`, CommentSingle, nil},
{`\'((\'\')|[^\'])*\'`, LiteralStringSingle, nil},
{`"(("")|[^"])*"`, LiteralStringDouble, nil},
{`[⋄◇()]`, Punctuation, nil},
{`[\[\];]`, LiteralStringRegex, nil},
{`⎕[A-Za-zΔ∆⍙][A-Za-zΔ∆⍙_¯0-9]*`, NameFunction, nil},
{`[A-Za-zΔ∆⍙][A-Za-zΔ∆⍙_¯0-9]*`, NameVariable, nil},
{`¯?(0[Xx][0-9A-Fa-f]+|[0-9]*\.?[0-9]+([Ee][+¯]?[0-9]+)?|¯|∞)([Jj]¯?(0[Xx][0-9A-Fa-f]+|[0-9]*\.?[0-9]+([Ee][+¯]?[0-9]+)?|¯|∞))?`, LiteralNumber, nil},
{`[\.\\/⌿⍀¨⍣⍨⍠⍤∘]`, NameAttribute, nil},
{`[+\-×÷⌈⌊∣|⍳?*⍟○!⌹<≤=>≥≠≡≢∊⍷∪∩~∨∧⍱⍲⍴,⍪⌽⊖⍉↑↓⊂⊃⌷⍋⍒⊤⊥⍕⍎⊣⊢⍁⍂≈⌸⍯↗]`, Operator, nil},
{``, NameConstant, nil},
{`[⎕⍞]`, NameVariableGlobal, nil},
{`[←→]`, KeywordDeclaration, nil},
{`[⍺⍵⍶⍹∇:]`, NameBuiltinPseudo, nil},
{`[{}]`, KeywordType, nil},
},
},
))