Add QML lexer

Author: CarlSchwan

Diff for: lexers/qml.go

@@ -0,0 +1,54 @@
+package lexers
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Qml lexer.
+var Qml = internal.Register(MustNewLexer(
+	&Config{
+		Name:      "QML",
+		Aliases:   []string{"qml", "qbs"},
+		Filenames: []string{"*.qml", "*.qbs"},
+		MimeTypes: []string{"application/x-qml", "application/x-qt.qbs+qml"},
+		DotAll:    true,
+	},
+	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},
+		},
+	},
+))

Diff for: lexers/testdata/qml.actual

@@ -0,0 +1,59 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.15 as QQC2
+
+import org.kde.kirigami 2.7 as Kirigami
+import org.kde.kcm 1.2
+import org.kde.kinfocenter.nic.private 1.0
+
+ScrollViewKCM {
+    ConfigModule.quickHelp: i18n("Network Information")
+    clip: true
+    
+    view: TableView {
+        id: tableview
+        clip: true
+        
+        columnWidthProvider: function (column) { 
+            return tableview.model ? tableview.width / tableview.model.columnCount() : 0
+        }
+
+        model: NetworkModel {
+            id: model
+        }
+
+        delegate: Rectangle {
+            readonly property real cellPadding: 8
+            readonly property color borderColor: Kirigami.Theme.Color
+            color: row % 2 === 0 ? "transparent" : Kirigami.Theme.alternateBackgroundColor
+            
+            implicitWidth: tableview.width / tableview.model.columnCount()
+            implicitHeight: text.contentHeight + Kirigami.Units.largeSpacing
+            
+            Text {
+                id: text
+                text: display
+                x: Kirigami.Units.smallSpacing
+                width: parent.width - Kirigami.Units.largeSpacing
+                height: parent.height
+                horizontalAlignment: Text.AlignHCenter
+                verticalAlignment: Text.AlignVCenter
+                color: "#ff26282a"
+                wrapMode: Text.WrapAnywhere
+            }
+        }
+        
+        topMargin: headerView.implicitHeight
+        
+        QQC2.HorizontalHeaderView {
+            id: headerView
+            anchors.bottom: parent.top
+            syncView: tableview
+        }
+    }
+    
+    footer: QQC2.Button {
+        text: i18nc("Update the information displayed", "Update")
+        onClicked: model.update();
+    }
+}
+