447 lines
10 KiB
Go
447 lines
10 KiB
Go
package parser
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import "fmt"
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import "sort"
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import "git.tebibyte.media/arf/arf/lexer"
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func doIndent (indent int, input ...string) (output string) {
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for index := 0; index < indent; index ++ {
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output += "\t"
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}
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for _, inputSection := range input {
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output += inputSection
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}
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return
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}
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func sortMapKeysAlphabetically[KEY_TYPE any] (
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unsortedMap map[string] KEY_TYPE,
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) (
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sortedKeys []string,
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) {
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sortedKeys = make([]string, len(unsortedMap))
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index := 0
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for key, _ := range unsortedMap {
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sortedKeys[index] = key
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index ++
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}
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sort.Strings(sortedKeys)
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return
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}
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func (tree SyntaxTree) ToString (indent int) (output string) {
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output += doIndent(indent, ":arf\n")
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if tree.author != "" {
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output += doIndent(indent, "author '", tree.author, "'\n")
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}
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if tree.license != "" {
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output += doIndent(indent, "license '", tree.license, "'\n")
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}
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for _, name := range sortMapKeysAlphabetically(tree.requires) {
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require := tree.requires[name]
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output += doIndent(indent, "require '", require, "'\n")
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}
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output += doIndent(indent, "---\n")
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sectionKeys := sortMapKeysAlphabetically(tree.sections)
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for _, name := range sectionKeys {
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output += tree.sections[name].ToString(indent)
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}
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return
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}
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func (identifier Identifier) ToString () (output string) {
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for index, trailItem := range identifier.trail {
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if index > 0 {
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output += "."
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}
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output += trailItem
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}
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return
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}
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func (what Type) ToString () (output string) {
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if what.kind == TypeKindNil {
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output += "NIL-TYPE"
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return
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}
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if what.kind == TypeKindBasic {
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output += what.name.ToString()
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} else {
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output += "{"
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output += what.points.ToString()
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if what.kind == TypeKindVariableArray {
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output += " .."
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}
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output += "}"
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}
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if what.length > 1 {
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output += fmt.Sprint(":", what.length)
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}
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if what.mutable {
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output += ":mut"
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}
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return
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}
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func (declaration Declaration) ToString () (output string) {
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output += declaration.name + ":"
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output += declaration.what.ToString()
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return
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}
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func (list List) ToString (indent int, breakline bool) (output string) {
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if !breakline { indent = 0 }
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output += doIndent(indent, "(")
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if breakline { output += "\n" }
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for index, argument := range list.arguments {
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if !breakline && index > 0 { output += " "}
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output += argument.ToString(indent, breakline)
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}
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output += doIndent(indent, ")")
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if breakline { output += "\n" }
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return
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}
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func (argument Argument) ToString (indent int, breakLine bool) (output string) {
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if !breakLine { indent = 0 }
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if argument.kind == ArgumentKindNil {
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output += "NIL-ARGUMENT"
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if breakLine { output += "\n" }
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return
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}
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switch argument.kind {
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case ArgumentKindPhrase:
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output += argument.value.(Phrase).ToString (
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indent,
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breakLine)
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case ArgumentKindList:
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output += argument.value.(List).ToString(indent, breakLine)
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case ArgumentKindDereference:
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output += argument.value.(Dereference).ToString(indent)
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case ArgumentKindIdentifier:
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output += doIndent (
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indent,
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argument.value.(Identifier).ToString())
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if breakLine { output += "\n" }
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case ArgumentKindDeclaration:
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output += doIndent (
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indent,
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argument.value.(Declaration).ToString())
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if breakLine { output += "\n" }
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case ArgumentKindInt, ArgumentKindUInt, ArgumentKindFloat:
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output += doIndent(indent, fmt.Sprint(argument.value))
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if breakLine { output += "\n" }
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case ArgumentKindString:
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output += doIndent (
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indent,
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"'" + argument.value.(string) + "'")
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if breakLine { output += "\n" }
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}
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return
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}
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func (section DataSection) ToString (indent int) (output string) {
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output += doIndent (
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indent,
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"data ",
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section.permission.ToString(), " ",
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section.name, ":",
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section.what.ToString(), "\n")
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if section.argument.kind != ArgumentKindNil {
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output += section.argument.ToString(indent + 1, true)
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}
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if section.external {
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output += doIndent(indent + 1, "external\n")
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}
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return
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}
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func (member TypeSectionMember) ToString (indent int) (output string) {
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output += doIndent(indent, member.permission.ToString())
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output += " " + member.name
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if member.what.kind != TypeKindNil {
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output += ":" + member.what.ToString()
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}
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if member.argument.kind != ArgumentKindNil {
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output += " " + member.argument.ToString(indent, false)
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}
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if member.bitWidth > 0 {
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output += fmt.Sprint(" & ", member.bitWidth)
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}
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output += "\n"
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return
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}
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func (section TypeSection) ToString (indent int) (output string) {
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output += doIndent (
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indent,
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"type ",
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section.permission.ToString(), " ",
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section.name, ":",
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section.what.ToString(), "\n")
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if section.argument.kind != ArgumentKindNil {
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output += section.argument.ToString(indent + 1, true)
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}
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for _, member := range section.members {
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output += member.ToString(indent + 1)
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}
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return
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}
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func (section EnumSection) ToString (indent int) (output string) {
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output += doIndent (
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indent,
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"enum ",
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section.permission.ToString(), " ",
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section.name, ":",
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section.what.ToString(), "\n")
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for _, member := range section.members {
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output += doIndent(indent + 1, "- ", member.name)
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if member.argument.kind != ArgumentKindNil {
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output += " " + member.argument.ToString(indent, false)
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}
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output += "\n"
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}
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return
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}
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func (section FaceSection) ToString (indent int) (output string) {
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output += doIndent (
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indent,
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"face ",
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section.permission.ToString(), " ",
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section.name, ":",
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section.inherits.ToString(), "\n")
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if section.kind == FaceKindType {
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for _, name := range sortMapKeysAlphabetically(section.behaviors) {
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behavior := section.behaviors[name]
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output += behavior.ToString(indent + 1)
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}
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} else if section.kind == FaceKindFunc {
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for _, inputItem := range section.inputs {
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output += doIndent(indent + 1, "> ", inputItem.ToString(), "\n")
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}
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for _, outputItem := range section.outputs {
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output += doIndent(indent + 1, "< ", outputItem.ToString(), "\n")
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}
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}
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return
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}
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func (behavior FaceBehavior) ToString (indent int) (output string) {
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output += doIndent(indent, behavior.name, "\n")
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for _, inputItem := range behavior.inputs {
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output += doIndent(indent + 1, "> ", inputItem.ToString(), "\n")
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}
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for _, outputItem := range behavior.outputs {
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output += doIndent(indent + 1, "< ", outputItem.ToString(), "\n")
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}
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return
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}
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func (dereference Dereference) ToString (indent int) (output string) {
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output += "{"
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output += dereference.argument.ToString(indent, false)
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if dereference.offset != 0 {
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output += fmt.Sprint(" ", dereference.offset)
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}
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output += "}"
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return
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}
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func (phrase Phrase) ToString (indent int, ownLine bool) (output string) {
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if ownLine {
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output += doIndent(indent)
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}
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output += "["
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switch phrase.kind {
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case PhraseKindCase:
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output += ":"
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case PhraseKindAssign:
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output += "="
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case PhraseKindOperator:
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switch phrase.operator {
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case lexer.TokenKindColon:
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output += ":"
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case lexer.TokenKindPlus:
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output += "+"
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case lexer.TokenKindMinus:
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output += "-"
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case lexer.TokenKindIncrement:
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output += "++"
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case lexer.TokenKindDecrement:
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output += "--"
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case lexer.TokenKindAsterisk:
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output += "*"
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case lexer.TokenKindSlash:
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output += "/"
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case lexer.TokenKindExclamation:
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output += "!"
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case lexer.TokenKindPercent:
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output += "%"
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case lexer.TokenKindPercentAssignment:
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output += "%="
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case lexer.TokenKindTilde:
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output += "~"
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case lexer.TokenKindTildeAssignment:
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output += "~="
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case lexer.TokenKindAssignment:
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output += "="
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case lexer.TokenKindEqualTo:
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output += "=="
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case lexer.TokenKindNotEqualTo:
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output += "!="
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case lexer.TokenKindLessThanEqualTo:
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output += "<="
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case lexer.TokenKindLessThan:
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output += "<"
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case lexer.TokenKindLShift:
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output += "<<"
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case lexer.TokenKindLShiftAssignment:
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output += "<<="
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case lexer.TokenKindGreaterThan:
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output += ">"
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case lexer.TokenKindGreaterThanEqualTo:
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output += ">="
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case lexer.TokenKindRShift:
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output += ">>"
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case lexer.TokenKindRShiftAssignment:
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output += ">>="
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case lexer.TokenKindBinaryOr:
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output += "|"
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case lexer.TokenKindBinaryOrAssignment:
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output += "|="
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case lexer.TokenKindLogicalOr:
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output += "||"
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case lexer.TokenKindBinaryAnd:
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output += "&"
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case lexer.TokenKindBinaryAndAssignment:
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output += "&="
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case lexer.TokenKindLogicalAnd:
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output += "&&"
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case lexer.TokenKindBinaryXor:
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output += "^"
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case lexer.TokenKindBinaryXorAssignment:
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output += "^="
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}
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default:
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output += phrase.command.ToString(0, false)
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}
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for _, argument := range phrase.arguments {
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output += " " + argument.ToString(0, false)
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}
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output += "]"
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if len(phrase.returnees) > 0 {
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output += " ->"
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for _, returnItem := range phrase.returnees {
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output += " " + returnItem.ToString(0, false)
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}
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}
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if ownLine {
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output += "\n"
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output += phrase.block.ToString(indent + 1)
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} else if len(phrase.block) > 0 {
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output += "NON-BLOCK-LEVEL-PHRASE-HAS-BLOCK"
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}
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return
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}
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func (funcOutput FuncOutput) ToString (indent int) (output string) {
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output += doIndent(indent + 1)
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output += "< " + funcOutput.Declaration.ToString()
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if funcOutput.argument.kind != ArgumentKindNil {
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output += " " + funcOutput.argument.ToString(indent, false)
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}
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output += "\n"
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return
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}
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func (block Block) ToString (indent int) (output string) {
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for _, phrase := range block {
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output += phrase.ToString(indent, true)
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}
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return
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}
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func (section FuncSection) ToString (indent int) (output string) {
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output += doIndent (
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indent,
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"func ",
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section.permission.ToString(), " ",
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section.name, "\n")
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if section.receiver != nil {
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output += doIndent (
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indent + 1,
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"@ ", section.receiver.ToString(), "\n")
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}
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for _, inputItem := range section.inputs {
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output += doIndent(indent + 1, "> ", inputItem.ToString(), "\n")
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}
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for _, outputItem := range section.outputs {
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output += outputItem.ToString(indent)
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}
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output += doIndent(indent + 1, "---\n")
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if section.external {
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output += doIndent(indent + 1, "external\n")
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}
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output += section.root.ToString(indent + 1)
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return
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}
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