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release-0.0.2.ts
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/*
Syntax7 v0.0.1
Offical Micro:bit TypeScript built
*/
//% block="Syntax7" color=#a103fc icon="\uf121"
namespace Syntax7 {
//% block="parse ECMAScript %code"
export function ecma(code: string) {
let ts = code
let ki:string
let abc = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
abc += abc.toLowerCase()
abc += "0123456789$_";
let white = " "
let format = "";
let singlestr = false
let doublestr = false
let tickstr = false
let multicmt = false
let singlecmt = false
let tickblock = false
let tickbrack = 0
let lastitem = ""
let kw = ""
ki = ""
let keyw = [
"var", "let", "const", "function", "class", "enum",
"if", "else", "in", "new", "await", "async",
"false", "true", "throw", "try", "catch",
"for", "while", "debugger", "delete",
"import", "export", "extends", "return", "break",
"instanceof", "typeof", "this", "void",
"public", "private", "super",
"switch", "case", "default",
"implements", "null", "undefined",
"with", "do", "continue"
]
function kwd(k: string, i: number) {
if ((abc.indexOf(ts[i-1])<0)||(i<1)) {
if((!kw)||(kw=="")||(kw.length==0)||(kw[0]===k[0])) {
if(ts.slice(i,k.length)==k){
return true
}
}
}
return false
}
for (let i = 0; i < code.length; i++) {
if (multicmt) {
format += util.escape(ts[i])
if ((ts[i] == "/") && (ts[i - 1] == "*")) {
format += "</comment7>"
multicmt = false
}
kw = ""
lastitem = ""
} else if (doublestr) {
format += util.escape(ts[i])
if ((ts[i] == "\"") && (ts[i - 1] != "\\")) {
format += "</string7>"
doublestr = false
}
kw = ""
lastitem = ""
} else if (singlestr) {
format += util.escape(ts[i])
if ((ts[i] == "'") && (ts[i - 1] != "\\")) {
format += "</string7>"
singlestr = false
}
kw = ""
lastitem = ""
} else if (tickstr) {
if ((ts[i] == "`") && (ts[i - 1] != "\\") && (!tickblock)) {
format += util.escape(ts[i])
format += "</string7>"
tickstr = false
} else if ((ts[i] == "{") && (ts[i - 1] == "$") && (ts[i - 2] != "\\") && (!tickblock)) {
tickblock = true
format += "<insert7>"
tickbrack = 1
format += util.escape(ts[i])
} else if ((ts[i] == "{") && tickblock) {
tickbrack++
format += util.escape(ts[i])
} else if ((ts[i] == "}") && tickblock) {
tickbrack--
format += util.escape(ts[i])
if (tickbrack == 0) {
tickblock = false
format += "</insert7>"
}
} else {
format += util.escape(ts[i])
}
kw = ""
lastitem = ""
} else if (singlecmt) {
format += util.escape(ts[i])
if (ts[i] == "\n") {
format += "</comment7>"
singlecmt = false
}
kw = ""
lastitem = ""
} else {
if (abc.indexOf(ts[i]) < 0) {
lastitem = "";
kw = ""
} else {
kw += ts[i]
}
if ((util.isNumber(ts[i]) || (ts[i] == "e")) && util.isNumber(kw)) {
format += "<integer7>" + ts[i] + "</integer7>";
} else if ((ts[i] == "/") && (ts[i + 1] == "/")) {
format += "<comment7>"
format += util.escape(ts[i])
singlecmt = true
} else if ((ts[i] == "/") && (ts[i + 1] == "*")) {
format += "<comment7>"
format += util.escape(ts[i])
multicmt = true
} else if (ts[i] == '"') {
format += "<string7>"
doublestr = true
format += util.escape(ts[i])
} else if (ts[i] == "'") {
format += "<string7>"
singlestr = true
format += util.escape(ts[i])
} else if (ts[i] == "`") {
format += "<string7>"
tickstr = true
format += util.escape(ts[i])
} else if (kwd('async', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "async"
} else if (ki == "async") {
if (kw == "async") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('await', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "await"
} else if (ki == "await") {
if (kw == "await") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('function', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "function"
} else if (ki == "function") {
if (kw == "function") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('const', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "const"
} else if (ki == "const") {
if (kw == "const") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('let', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "let"
} else if (ki == "let") {
if (kw == "let") {
ki = ""
format += util.escape(ts[i])
format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('var', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "var"
} else if (ki == "var") {
if (kw == "var") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('for', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "for"
} else if (ki == "for") {
if (kw == "for") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('while', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "while"
} else if (ki == "while") {
if (kw == "while") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('break', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "break"
} else if (ki == "break") {
if (kw == "break") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('return', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "return"
} else if (ki == "return") {
if (kw == "return") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('if', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "if"
} else if (ki == "if") {
if (kw == "if") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('else', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "else"
} else if (ki == "else") {
if (kw == "else") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('try', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "try"
} else if (ki == "try") {
if (kw == "try") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('catch', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "catch"
} else if (ki == "catch") {
if (kw == "catch") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('throw', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "throw"
} else if (ki == "throw") {
if (kw == "throw") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('class', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "class"
} else if (ki == "class") {
if (kw == "class") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else if (kwd('enum', i)) {
format += "<kw7>"; format += util.escape(ts[i])
ki = "enum"
} else if (ki == "enum") {
if (kw == "enum") {
ki = ""
format += util.escape(ts[i]); format += "</kw7>"
} else {
format += util.escape(ts[i])
}
} else {
format += util.escape(ts[i])
}
}
}
if (tickstr) {
if (tickblock) {
format += "</insert7>"
}
format += "</string7>"
}
if (doublestr || singlestr) {
format += "</string7>"
}
if (multicmt || singlecmt) {
format += "</comment7>"
}
if (ki != "") {
format += "</kw7>"
}
return format
}
let util = {
escape: function (text: string) {
let chars: string | string[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
chars += chars.toLowerCase()
chars += "1234567890"
chars += "~[]{}()!@#$%^*+_-=/\|,. ;:";
chars = chars.split("")
let result = "";
for (let i = 0; i < text.length; i++) {
if (text[i] == "\n") {
result += "<br/>"
} else if (text[i] == " ") {
result += " "
} else if (chars.indexOf(text[i]) > -1) {
result += text[i]
} else {
result += "&#x" + util.upper(util.tohex(text.charCodeAt(i))) + ";";
}
}
return result
},
isNumber: function (text: string) {
let chars = "0123456789e";
if (text[0] == "e") {
return false
}
for (let i = 0; i < text.length; i++) {
if (chars.indexOf(text[i]) < 0) {
return false
}
}
return true
},
upper: function (text: string) {
let uppers = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
let lowers = "abcdefghijklmnopqrstuvwxyz"
let result = ""
for (let i = 0; i < text.length; i++) {
if (uppers.indexOf(text[i]) > -1) {
result += lowers[
uppers.indexOf(text[i])
]
} else {
result += text[i]
}
}
return result
},
tohex: function (int: number) {
let things = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f']
let a = Math.floor(int / 4096)
let b = Math.floor((int - (4096 * a)) / 256)
let c = Math.floor((int - (256 * b)) / 16)
let d = Math.floor((int - (16 * c)) / 1)
return `${things[a]}${things[b]}${things[c]}${things[d]}`
}
}
}