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November 11, 2016 09:39
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Pretty Print method for formatting case class (as a string input)
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| def pp(tree: String, indentSize: Int = 2): String = { | |
| var indentLevel = 0 | |
| var outputTree = "" | |
| tree foreach { char => char match { | |
| case '(' => | |
| indentLevel += 1 | |
| outputTree += char.toString+'\n'+indents | |
| case ')' => | |
| indentLevel -= 1 | |
| outputTree += "\n" + indents + char.toString | |
| case ',' => outputTree += char.toString + "\n" + indents | |
| case _ => outputTree += char.toString | |
| }} | |
| def indents = " " * indentLevel * indentSize | |
| outputTree | |
| } | |
| val asdf = """Argument(Expr(List(EqualsExpr(List(CallExpr(None, Token(VARID, firstGroup2, 34, firstGroup2 ), None, List(), None ) ), Token(EQUALS,=,46,= ), Expr(List(GeneralTokens(List(Token(STRING_LITERAL,"One",48,"One") ) ) ) ) ) ) ) )""" | |
| pp(asdf) |
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