---input---
{templateFunction param={anotherFunction} param2=$something}

---tokens---
'{'           Comment.Preproc
'templateFunction' Name.Function
' '           Text
'param'       Name.Attribute
'='           Operator
'{'           Comment.Preproc
'anotherFunction' Name.Attribute
'}'           Comment.Preproc
' '           Text
'param2'      Name.Attribute
'='           Operator
'$something'  Name.Variable
'}'           Comment.Preproc
'\n'          Other