package parser import "fmt" func doIndent (indent int, input ...string) (output string) { for index := 0; index < indent; index ++ { output += "\t" } for _, inputSection := range input { output += inputSection } return } func (tree *SyntaxTree) ToString (indent int) (output string) { output += doIndent(indent, ":arf\n") if tree.author != "" { output += doIndent(indent, "author \"", tree.author, "\"\n") } if tree.license != "" { output += doIndent(indent, "license \"", tree.license, "\"\n") } for _, require := range tree.requires { output += doIndent(indent, "require \"", require, "\"\n") } output += doIndent(indent, "---\n") for _, require := range tree.dataSections { output += require.ToString(indent) } return } func (identifier *Identifier) ToString () (output string) { for index, trailItem := range identifier.trail { if index > 0 { output += "." } output += trailItem } return } func (what *Type) ToString () (output string) { if what.kind == TypeKindBasic { output += what.name.ToString() } else { output += "{" output += what.points.ToString() if what.kind == TypeKindArray { output += " " if what.length == 0 { output += ".." } else { output += fmt.Sprint(what.length) } } output += "}" } if what.mutable { output += ":mut" } return } func (declaration *Declaration) ToString () (output string) { output += declaration.name + ":" output += declaration.what.ToString() return } func (attributes *ObjectAttributes) ToString ( indent int, ) ( output string, ) { for name, value := range attributes.attributes { output += doIndent(indent, ".", name, " ") if value.kind == ArgumentKindObjectAttributes { output += "\n" output += value.ToString(indent + 1, true) } else { output += value.ToString(0, false) + "\n" } } return } func (phrase *Phrase) ToString (indent int, breakLine bool) (output string) { if breakLine { output += doIndent ( indent, "[", phrase.command.ToString(0, false)) output += "\n" for _, argument := range phrase.arguments { output += doIndent ( indent, argument.ToString(indent + 1, true)) } } else { output += "[" + phrase.command.ToString(0, false) for _, argument := range phrase.arguments { output += " " + argument.ToString(0, false) } } output += "]" if len(phrase.returnsTo) > 0 { output += " ->" for _, returnItem := range phrase.returnsTo { output += " " + returnItem.ToString(0, false) } } if breakLine { output += "\n" } return } func (argument *Argument) ToString (indent int, breakLine bool) (output string) { if !breakLine { indent = 0 } switch argument.kind { case ArgumentKindPhrase: output += doIndent ( indent, argument.value.(*Phrase).ToString ( indent, breakLine)) case ArgumentKindObjectAttributes: // this should only appear in contexts where breakLine is true output += doIndent ( indent, argument.value.(*ObjectAttributes).ToString (indent)) case ArgumentKindIdentifier: output += doIndent ( indent, argument.value.(*Identifier).ToString()) case ArgumentKindDeclaration: output += doIndent ( indent, argument.value.(*Declaration).ToString()) case ArgumentKindInt, ArgumentKindUInt, ArgumentKindFloat: output += doIndent(indent, fmt.Sprint(argument.value)) case ArgumentKindString: output += doIndent ( indent, "\"" + argument.value.(string) + "\"") case ArgumentKindRune: output += doIndent ( indent, "'" + string(argument.value.(rune)) + "'") case ArgumentKindOperator: // TODO // also when parsing this argument kind, don't do it in the // argument parsing function. do it specifically when parsing a // phrase command. } if breakLine { output += "\n" } return } func (section *DataSection) ToString (indent int) (output string) { output += doIndent ( indent, "data ", section.permission.ToString(), " ", section.name, ":", section.what.ToString()) if len(section.value) == 0 { output += "\n" } else if len(section.value) == 1 { output += " " + section.value[0].ToString(0, false) output += "\n" } else { output += "\n" for _, argument := range(section.value) { output += argument.ToString(indent + 1, true) } } return }