ballerina.go

Documentation: github.com/alecthomas/chroma/lexers/b

     1  package b
     2  
     3  import (
     4  	. "github.com/alecthomas/chroma" // nolint
     5  	"github.com/alecthomas/chroma/lexers/internal"
     6  )
     7  
     8  // Ballerina lexer.
     9  var Ballerina = internal.Register(MustNewLazyLexer(
    10  	&Config{
    11  		Name:      "Ballerina",
    12  		Aliases:   []string{"ballerina"},
    13  		Filenames: []string{"*.bal"},
    14  		MimeTypes: []string{"text/x-ballerina"},
    15  		DotAll:    true,
    16  	},
    17  	ballerinaRules,
    18  ))
    19  
    20  func ballerinaRules() Rules {
    21  	return Rules{
    22  		"root": {
    23  			{`[^\S\n]+`, Text, nil},
    24  			{`//.*?\n`, CommentSingle, nil},
    25  			{`/\*.*?\*/`, CommentMultiline, nil},
    26  			{`(break|catch|continue|done|else|finally|foreach|forever|fork|if|lock|match|return|throw|transaction|try|while)\b`, Keyword, nil},
    27  			{`((?:(?:[^\W\d]|\$)[\w.\[\]$<>]*\s+)+?)((?:[^\W\d]|\$)[\w$]*)(\s*)(\()`, ByGroups(UsingSelf("root"), NameFunction, Text, Operator), nil},
    28  			{`@[^\W\d][\w.]*`, NameDecorator, nil},
    29  			{`(annotation|bind|but|endpoint|error|function|object|private|public|returns|service|type|var|with|worker)\b`, KeywordDeclaration, nil},
    30  			{`(boolean|byte|decimal|float|int|json|map|nil|record|string|table|xml)\b`, KeywordType, nil},
    31  			{`(true|false|null)\b`, KeywordConstant, nil},
    32  			{`(import)(\s+)`, ByGroups(KeywordNamespace, Text), Push("import")},
    33  			{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
    34  			{`'\\.'|'[^\\]'|'\\u[0-9a-fA-F]{4}'`, LiteralStringChar, nil},
    35  			{`(\.)((?:[^\W\d]|\$)[\w$]*)`, ByGroups(Operator, NameAttribute), nil},
    36  			{`^\s*([^\W\d]|\$)[\w$]*:`, NameLabel, nil},
    37  			{`([^\W\d]|\$)[\w$]*`, Name, nil},
    38  			{`([0-9][0-9_]*\.([0-9][0-9_]*)?|\.[0-9][0-9_]*)([eE][+\-]?[0-9][0-9_]*)?[fFdD]?|[0-9][eE][+\-]?[0-9][0-9_]*[fFdD]?|[0-9]([eE][+\-]?[0-9][0-9_]*)?[fFdD]|0[xX]([0-9a-fA-F][0-9a-fA-F_]*\.?|([0-9a-fA-F][0-9a-fA-F_]*)?\.[0-9a-fA-F][0-9a-fA-F_]*)[pP][+\-]?[0-9][0-9_]*[fFdD]?`, LiteralNumberFloat, nil},
    39  			{`0[xX][0-9a-fA-F][0-9a-fA-F_]*[lL]?`, LiteralNumberHex, nil},
    40  			{`0[bB][01][01_]*[lL]?`, LiteralNumberBin, nil},
    41  			{`0[0-7_]+[lL]?`, LiteralNumberOct, nil},
    42  			{`0|[1-9][0-9_]*[lL]?`, LiteralNumberInteger, nil},
    43  			{`[~^*!%&\[\](){}<>|+=:;,./?-]`, Operator, nil},
    44  			{`\n`, Text, nil},
    45  		},
    46  		"import": {
    47  			{`[\w.]+`, NameNamespace, Pop(1)},
    48  		},
    49  	}
    50  }
    51
View as plain text