100 lines
3.8 KiB
Go
100 lines
3.8 KiB
Go
|
package s
|
||
|
|
|
||
|
|
import (
|
||
|
|
. "github.com/alecthomas/chroma" // nolint
|
||
|
|
"github.com/alecthomas/chroma/lexers/internal"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Smalltalk lexer.
|
||
|
|
var Smalltalk = internal.Register(MustNewLexer(
|
||
|
|
&Config{
|
||
|
|
Name: "Smalltalk",
|
||
|
|
Aliases: []string{"smalltalk", "squeak", "st"},
|
||
|
|
Filenames: []string{"*.st"},
|
||
|
|
MimeTypes: []string{"text/x-smalltalk"},
|
||
|
|
},
|
||
|
|
Rules{
|
||
|
|
"root": {
|
||
|
|
{`(<)(\w+:)(.*?)(>)`, ByGroups(Text, Keyword, Text, Text), nil},
|
||
|
|
Include("squeak fileout"),
|
||
|
|
Include("whitespaces"),
|
||
|
|
Include("method definition"),
|
||
|
|
{`(\|)([\w\s]*)(\|)`, ByGroups(Operator, NameVariable, Operator), nil},
|
||
|
|
Include("objects"),
|
||
|
|
{`\^|:=|_`, Operator, nil},
|
||
|
|
{`[\]({}.;!]`, Text, nil},
|
||
|
|
},
|
||
|
|
"method definition": {
|
||
|
|
{`([a-zA-Z]+\w*:)(\s*)(\w+)`, ByGroups(NameFunction, Text, NameVariable), nil},
|
||
|
|
{`^(\b[a-zA-Z]+\w*\b)(\s*)$`, ByGroups(NameFunction, Text), nil},
|
||
|
|
{`^([-+*/\\~<>=|&!?,@%]+)(\s*)(\w+)(\s*)$`, ByGroups(NameFunction, Text, NameVariable, Text), nil},
|
||
|
|
},
|
||
|
|
"blockvariables": {
|
||
|
|
Include("whitespaces"),
|
||
|
|
{`(:)(\s*)(\w+)`, ByGroups(Operator, Text, NameVariable), nil},
|
||
|
|
{`\|`, Operator, Pop(1)},
|
||
|
|
Default(Pop(1)),
|
||
|
|
},
|
||
|
|
"literals": {
|
||
|
|
{`'(''|[^'])*'`, LiteralString, Push("afterobject")},
|
||
|
|
{`\$.`, LiteralStringChar, Push("afterobject")},
|
||
|
|
{`#\(`, LiteralStringSymbol, Push("parenth")},
|
||
|
|
{`\)`, Text, Push("afterobject")},
|
||
|
|
{`(\d+r)?-?\d+(\.\d+)?(e-?\d+)?`, LiteralNumber, Push("afterobject")},
|
||
|
|
},
|
||
|
|
"_parenth_helper": {
|
||
|
|
Include("whitespaces"),
|
||
|
|
{`(\d+r)?-?\d+(\.\d+)?(e-?\d+)?`, LiteralNumber, nil},
|
||
|
|
{`[-+*/\\~<>=|&#!?,@%\w:]+`, LiteralStringSymbol, nil},
|
||
|
|
{`'(''|[^'])*'`, LiteralString, nil},
|
||
|
|
{`\$.`, LiteralStringChar, nil},
|
||
|
|
{`#*\(`, LiteralStringSymbol, Push("inner_parenth")},
|
||
|
|
},
|
||
|
|
"parenth": {
|
||
|
|
{`\)`, LiteralStringSymbol, Push("root", "afterobject")},
|
||
|
|
Include("_parenth_helper"),
|
||
|
|
},
|
||
|
|
"inner_parenth": {
|
||
|
|
{`\)`, LiteralStringSymbol, Pop(1)},
|
||
|
|
Include("_parenth_helper"),
|
||
|
|
},
|
||
|
|
"whitespaces": {
|
||
|
|
{`\s+`, Text, nil},
|
||
|
|
{`"(""|[^"])*"`, Comment, nil},
|
||
|
|
},
|
||
|
|
"objects": {
|
||
|
|
{`\[`, Text, Push("blockvariables")},
|
||
|
|
{`\]`, Text, Push("afterobject")},
|
||
|
|
{`\b(self|super|true|false|nil|thisContext)\b`, NameBuiltinPseudo, Push("afterobject")},
|
||
|
|
{`\b[A-Z]\w*(?!:)\b`, NameClass, Push("afterobject")},
|
||
|
|
{`\b[a-z]\w*(?!:)\b`, NameVariable, Push("afterobject")},
|
||
|
|
{`#("(""|[^"])*"|[-+*/\\~<>=|&!?,@%]+|[\w:]+)`, LiteralStringSymbol, Push("afterobject")},
|
||
|
|
Include("literals"),
|
||
|
|
},
|
||
|
|
"afterobject": {
|
||
|
|
{`! !$`, Keyword, Pop(1)},
|
||
|
|
Include("whitespaces"),
|
||
|
|
{`\b(ifTrue:|ifFalse:|whileTrue:|whileFalse:|timesRepeat:)`, NameBuiltin, Pop(1)},
|
||
|
|
{`\b(new\b(?!:))`, NameBuiltin, nil},
|
||
|
|
{`:=|_`, Operator, Pop(1)},
|
||
|
|
{`\b[a-zA-Z]+\w*:`, NameFunction, Pop(1)},
|
||
|
|
{`\b[a-zA-Z]+\w*`, NameFunction, nil},
|
||
|
|
{`\w+:?|[-+*/\\~<>=|&!?,@%]+`, NameFunction, Pop(1)},
|
||
|
|
{`\.`, Punctuation, Pop(1)},
|
||
|
|
{`;`, Punctuation, nil},
|
||
|
|
{`[\])}]`, Text, nil},
|
||
|
|
{`[\[({]`, Text, Pop(1)},
|
||
|
|
},
|
||
|
|
"squeak fileout": {
|
||
|
|
{`^"(""|[^"])*"!`, Keyword, nil},
|
||
|
|
{`^'(''|[^'])*'!`, Keyword, nil},
|
||
|
|
{`^(!)(\w+)( commentStamp: )(.*?)( prior: .*?!\n)(.*?)(!)`, ByGroups(Keyword, NameClass, Keyword, LiteralString, Keyword, Text, Keyword), nil},
|
||
|
|
{`^(!)(\w+(?: class)?)( methodsFor: )('(?:''|[^'])*')(.*?!)`, ByGroups(Keyword, NameClass, Keyword, LiteralString, Keyword), nil},
|
||
|
|
{`^(\w+)( subclass: )(#\w+)(\s+instanceVariableNames: )(.*?)(\s+classVariableNames: )(.*?)(\s+poolDictionaries: )(.*?)(\s+category: )(.*?)(!)`, ByGroups(NameClass, Keyword, LiteralStringSymbol, Keyword, LiteralString, Keyword, LiteralString, Keyword, LiteralString, Keyword, LiteralString, Keyword), nil},
|
||
|
|
{`^(\w+(?: class)?)(\s+instanceVariableNames: )(.*?)(!)`, ByGroups(NameClass, Keyword, LiteralString, Keyword), nil},
|
||
|
|
{`(!\n)(\].*)(! !)$`, ByGroups(Keyword, Text, Keyword), nil},
|
||
|
|
{`! !$`, Keyword, nil},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
))
|