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package q

import (
	. "github.com/alecthomas/chroma" // nolint
	"github.com/alecthomas/chroma/lexers/internal"
)

// Qml lexer.
var Qml = internal.Register(MustNewLazyLexer(
	&Config{
		Name:      "QML",
		Aliases:   []string{"qml", "qbs"},
		Filenames: []string{"*.qml", "*.qbs"},
		MimeTypes: []string{"application/x-qml", "application/x-qt.qbs+qml"},
		DotAll:    true,
	},
	qmlRules,
))

func qmlRules() Rules {
	return Rules{
		"commentsandwhitespace": {
			{`\s+`, Text, nil},
			{`<!--`, Comment, nil},
			{`//.*?\n`, CommentSingle, nil},
			{`/\*.*?\*/`, CommentMultiline, nil},
		},
		"slashstartsregex": {
			Include("commentsandwhitespace"),
			{`/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/([gim]+\b|\B)`, LiteralStringRegex, Pop(1)},
			{`(?=/)`, Text, Push("#pop", "badregex")},
			Default(Pop(1)),
		},
		"badregex": {
			{`\n`, Text, Pop(1)},
		},
		"root": {
			{`^(?=\s|/|<!--)`, Text, Push("slashstartsregex")},
			Include("commentsandwhitespace"),
			{`\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|(<<|>>>?|==?|!=?|[-<>+*%&|^/])=?`, Operator, Push("slashstartsregex")},
			{`[{(\[;,]`, Punctuation, Push("slashstartsregex")},
			{`[})\].]`, Punctuation, nil},
			{`\bid\s*:\s*[A-Za-z][\w.]*`, KeywordDeclaration, Push("slashstartsregex")},
			{`\b[A-Za-z][\w.]*\s*:`, Keyword, Push("slashstartsregex")},
			{`(for|in|while|do|break|return|continue|switch|case|default|if|else|throw|try|catch|finally|new|delete|typeof|instanceof|void|this)\b`, Keyword, Push("slashstartsregex")},
			{`(var|let|with|function)\b`, KeywordDeclaration, Push("slashstartsregex")},
			{`(abstract|boolean|byte|char|class|const|debugger|double|enum|export|extends|final|float|goto|implements|import|int|interface|long|native|package|private|protected|public|short|static|super|synchronized|throws|transient|volatile)\b`, KeywordReserved, nil},
			{`(true|false|null|NaN|Infinity|undefined)\b`, KeywordConstant, nil},
			{`(Array|Boolean|Date|Error|Function|Math|netscape|Number|Object|Packages|RegExp|String|sun|decodeURI|decodeURIComponent|encodeURI|encodeURIComponent|Error|eval|isFinite|isNaN|parseFloat|parseInt|document|this|window)\b`, NameBuiltin, nil},
			{`[$a-zA-Z_]\w*`, NameOther, nil},
			{`[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?`, LiteralNumberFloat, nil},
			{`0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
			{`[0-9]+`, LiteralNumberInteger, nil},
			{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
			{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
		},
	}
}