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arf/parser/tree-tostring.go

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package parser
import "fmt"
import "sort"
func doIndent (indent int, input ...string) (output string) {
for index := 0; index < indent; index ++ {
output += "\t"
}
for _, inputSection := range input {
output += inputSection
}
return
}
func sortMapKeysAlphabetically[KEY_TYPE any] (
unsortedMap map[string] KEY_TYPE,
) (
sortedKeys []string,
) {
sortedKeys = make([]string, len(unsortedMap))
index := 0
for key, _ := range unsortedMap {
sortedKeys[index] = key
index ++
}
sort.Strings(sortedKeys)
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")
typeSectionKeys := sortMapKeysAlphabetically(tree.typeSections)
for _, name := range typeSectionKeys {
output += tree.typeSections[name].ToString(indent)
}
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objtSectionKeys := sortMapKeysAlphabetically(tree.objtSections)
for _, name := range objtSectionKeys {
output += tree.objtSections[name].ToString(indent)
}
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enumSectionKeys := sortMapKeysAlphabetically(tree.enumSections)
for _, name := range enumSectionKeys {
output += tree.enumSections[name].ToString(indent)
}
dataSectionKeys := sortMapKeysAlphabetically(tree.dataSections)
for _, name := range dataSectionKeys {
output += tree.dataSections[name].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 *ObjectInitializationValues) ToString (
indent int,
) (
output string,
) {
for _, name := range sortMapKeysAlphabetically(attributes.attributes) {
value := attributes.attributes[name]
output += doIndent(indent, ".", name)
if value.kind == ArgumentKindObjectInitializationValues {
output += "\n"
output += value.ToString(indent + 1, true)
} else {
output += " " + value.ToString(0, false) + "\n"
}
}
return
}
func (values *ArrayInitializationValues) ToString (
indent int,
) (
output string,
) {
for _, value := range values.values {
output += value.ToString(indent, true)
}
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 }
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if argument.kind == ArgumentKindNil {
output += "NIL-ARGUMENT"
if breakLine { output += "\n" }
return
}
switch argument.kind {
case ArgumentKindPhrase:
output += argument.value.(*Phrase).ToString (
indent,
breakLine)
case ArgumentKindObjectInitializationValues:
// this should only appear in contexts where breakLine is true
output += argument.value.(*ObjectInitializationValues).
ToString(indent)
case ArgumentKindArrayInitializationValues:
// this should only appear in contexts where breakLine is true
output += argument.value.(*ArrayInitializationValues).
ToString(indent)
case ArgumentKindIdentifier:
output += doIndent (
indent,
argument.value.(*Identifier).ToString())
if breakLine { output += "\n" }
case ArgumentKindDeclaration:
output += doIndent (
indent,
argument.value.(*Declaration).ToString())
if breakLine { output += "\n" }
case ArgumentKindInt, ArgumentKindUInt, ArgumentKindFloat:
output += doIndent(indent, fmt.Sprint(argument.value))
if breakLine { output += "\n" }
case ArgumentKindString:
output += doIndent (
indent,
"\"" + argument.value.(string) + "\"")
if breakLine { output += "\n" }
case ArgumentKindRune:
output += doIndent (
indent,
"'" + string(argument.value.(rune)) + "'")
if breakLine { output += "\n" }
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.
}
return
}
func (section *DataSection) ToString (indent int) (output string) {
output += doIndent (
indent,
"data ",
section.permission.ToString(), " ",
section.name, ":",
section.what.ToString())
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isComplexInitialization :=
section.value.kind == ArgumentKindObjectInitializationValues ||
section.value.kind == ArgumentKindArrayInitializationValues
if section.value.value == nil {
output += "\n"
} else if isComplexInitialization {
output += "\n"
output += section.value.ToString(indent + 1, true)
} else {
output += " " + section.value.ToString(0, false)
output += "\n"
}
return
}
func (section *TypeSection) ToString (indent int) (output string) {
output += doIndent (
indent,
"type ",
section.permission.ToString(), " ",
section.name, ":",
section.inherits.ToString())
isComplexInitialization :=
section.defaultValue.kind == ArgumentKindObjectInitializationValues ||
section.defaultValue.kind == ArgumentKindArrayInitializationValues
if section.defaultValue.value == nil {
output += "\n"
} else if isComplexInitialization {
output += "\n"
output += section.defaultValue.ToString(indent + 1, true)
} else {
output += " " + section.defaultValue.ToString(0, false)
output += "\n"
}
return
}
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func (member ObjtMember) ToString (indent int) (output string) {
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output += doIndent(indent)
output += member.permission.ToString() + " "
output += member.name + ":"
output += member.what.ToString()
isComplexInitialization :=
member.defaultValue.kind == ArgumentKindObjectInitializationValues ||
member.defaultValue.kind == ArgumentKindArrayInitializationValues
if member.defaultValue.value == nil {
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output += "\n"
} else if isComplexInitialization {
output += "\n"
output += member.defaultValue.ToString(indent + 1, true)
} else {
output += " " + member.defaultValue.ToString(0, false)
output += "\n"
}
return
}
func (section *ObjtSection) ToString (indent int) (output string) {
output += doIndent (
indent,
"objt ",
section.permission.ToString(), " ",
section.name, ":",
section.inherits.ToString(), "\n")
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for _, name := range sortMapKeysAlphabetically(section.members) {
output += section.members[name].ToString(indent + 1)
}
return
}
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func (section *EnumSection) ToString (indent int) (output string) {
output += doIndent (
indent,
"enum ",
section.permission.ToString(), " ",
section.name, ":",
section.what.ToString(), "\n")
for _, name := range sortMapKeysAlphabetically(section.members) {
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output += doIndent(indent + 1, name)
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defaultValue := section.members[name]
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isComplexInitialization :=
defaultValue.kind == ArgumentKindObjectInitializationValues ||
defaultValue.kind == ArgumentKindArrayInitializationValues
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if defaultValue.value == nil {
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output += "\n"
} else if isComplexInitialization {
output += "\n"
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output += defaultValue.ToString(indent + 2, true)
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} else {
output += " " + defaultValue.ToString(0, false)
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output += "\n"
}
}
return
}
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func (section *FaceSection) ToString (indent int) (output string) {
output += doIndent (
indent,
"face ",
section.permission.ToString(), " ",
section.name, ":",
section.inherits, "\n")
for _, name := range sortMapKeysAlphabetically(section.behaviors) {
behavior := section.behaviors[name]
output += behavior.ToString(indent + 1)
}
return
}
func (behavior *FaceBehavior) ToString (indent int) (output string) {
output += doIndent(indent, behavior.name, "\n")
for _, inputItem := range behavior.inputs {
output += doIndent(indent, "> ", inputItem.ToString(), "\n")
}
for _, outputItem := range behavior.outputs {
output += doIndent(indent, "< ", outputItem.ToString(), "\n")
}
return
}