juicescript/legacy-code
juicescript/legacy-code
Archived
0
0
Fork 0
Code

🧑‍💻 use let instead of var

Browse Source
This commit is contained in:
DrMaxNix 2022-09-06 23:36:35 +02:00
parent 3bd47fbe62
commit dfb7b3d09e
4 changed files with 35 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
dev/index.php
View File

@ -70,15 +70,15 @@
?></script>
<script type="text/javascript">
var juice_program = <?php echo(json_encode(file_get_contents("juice-program.jce"))); ?>;
let juice_program = <?php echo(json_encode(file_get_contents("juice-program.jce"))); ?>;
</script>
<script type="text/javascript">
var my_output_callback = function(text){
var line_list = text.split("\n");
let my_output_callback = function(text){
let line_list = text.split("\n");
for(var one_line of line_list){
var span_one_line = document.createElement("span");
for(let one_line of line_list){
let span_one_line = document.createElement("span");
span_one_line.classList.add("line");
span_one_line.textContent = one_line;
@ -86,8 +86,8 @@
document.getElementById("text-output-area").appendChild(span_one_line);
}
}
var my_error_callback = function(text, type){
var span_one_line = document.createElement("span");
let my_error_callback = function(text, type){
let span_one_line = document.createElement("span");
span_one_line.classList.add("line", "stderr-" + type);
span_one_line.textContent = text + "\n";
@ -95,7 +95,7 @@
document.getElementById("text-output-area").appendChild(span_one_line);
}
var juicescript = new Juicescript({
let juicescript = new Juicescript({
callback: {
stdout: my_output_callback,
stderr: my_error_callback

2
src/io.js
View File

@ -74,7 +74,7 @@ class Juicescript_io {
*/
stderr_build(text, additional){
// START WITH EMPTY STRING //
var string = "";
let string = "";
// PREFIX //

43
src/lexer.js
View File

@ -51,7 +51,7 @@ class Juicescript_lexer {
*/
scan_one(){
// consume next character
var char = this.next();
let char = this.next();
// scan character
switch(char){
@ -202,7 +202,7 @@ class Juicescript_lexer {
// do we have a quote?
if(this.peek() === marker){
// count backslashes in front of quote
var backslash_count = 0;
let backslash_count = 0;
while(this.peek(-(backslash_count + 1)) === "\\"){
backslash_count++;
};
@ -232,18 +232,18 @@ class Juicescript_lexer {
this.next();
// get consumed string
var string = this.source.substring(this.start + 1, this.end - 1);
let string = this.source.substring(this.start + 1, this.end - 1);
// RESOLVE ESCAPE SEQUENCES //
// iterate over whole string
var offset = 0;
var pos = -1;
let offset = 0;
let pos = -1;
while((pos = string.indexOf("\\", offset)) > -1){
// defaults for escaping one character
var char_escaped = string.substring(pos + 1, pos + 2);
var replace = char_escaped;
var remove_length = replace.length;
let char_escaped = string.substring(pos + 1, pos + 2);
let replace = char_escaped;
let remove_length = replace.length;
// special escape sequences
switch(char_escaped){
@ -265,12 +265,12 @@ class Juicescript_lexer {
// unicode
case "u":
// get four-letter codepoint string
var next_four_chars = string.substring(pos + 2, pos + 6);
let next_four_chars = string.substring(pos + 2, pos + 6);
// check if this is valid hexadecimal
if(/^[0-9a-fA-F]*$/.test(next_four_chars)){
// convert codepoint to decimal number
var codepoint = parseInt(next_four_chars, 16);
let codepoint = parseInt(next_four_chars, 16);
// get corresponding unicode character
replace = String.fromCharCode(codepoint);
@ -334,7 +334,7 @@ class Juicescript_lexer {
while(this.is_alphanumeric(this.peek())) this.next();
// get consumed string
var variable = this.source.substring(this.start + 1, this.end);
let variable = this.source.substring(this.start + 1, this.end);
// CHECK IF THERE EVEN IS A NAME //
@ -354,9 +354,9 @@ class Juicescript_lexer {
*/
scan_number(negative = false){
// DEFAULT VALUES FOR BASE 10 //
var base = null;
var is_valid_char = this.is_digit;
var number_string_offset = 0;
let base = null;
let is_valid_char = this.is_digit;
let number_string_offset = 0;
// HANDLE OTHER BASES //
@ -409,18 +409,19 @@ class Juicescript_lexer {
}
// get consumed string
var number_string = this.source.substring(this.start + number_string_offset, this.end);
let number_string = this.source.substring(this.start + number_string_offset, this.end);
// STORE NUMBER IN TOKEN //
// parse number
let number;
if(base !== null){
// custom base
var number = parseFloat(parseInt(number_string, base));
number = parseFloat(parseInt(number_string, base));
} else {
// base 10
var number = parseFloat(number_string);
number = parseFloat(number_string);
}
// maybe negate
@ -439,7 +440,7 @@ class Juicescript_lexer {
while(this.is_alphanumeric(this.peek())) this.next();
// get consumed string
var identifier = this.source.substring(this.start, this.end);
let identifier = this.source.substring(this.start, this.end);
// CHEKC IF THIS IS A SUFFIXED FLAG //
@ -455,7 +456,7 @@ class Juicescript_lexer {
// MAYBE CONVERT IDENTIFIER TO KEYWORD //
// try to load from lookup table
var keyword = ({
let keyword = ({
"DEF": Juicescript.token_type.DEF,
"GLOB": Juicescript.token_type.GLOBAL,
@ -491,7 +492,7 @@ class Juicescript_lexer {
while(this.is_alphanumeric(this.peek())) this.next();
// get consumed string
var flag = this.source.substring(this.start + 1, this.end);
let flag = this.source.substring(this.start + 1, this.end);
// consume (=ignore) optional `:` suffix
this.match(":");
@ -592,7 +593,7 @@ class Juicescript_lexer {
*/
token_add(options){
// NEW OJECT //
var token = {};
let token = {};
// COLLECT REQUIRED ATTRIBUTES //

6
src/main.js
View File

@ -57,13 +57,13 @@ class Juicescript {
parse(program_string){
// DO SCANNING //
// get lexer
var lexer = new Juicescript_lexer(program_string, {
let lexer = new Juicescript_lexer(program_string, {
io: this.io
});
// run lexical analysis
var token_list = lexer.scan();
/**/for(var one_token of token_list){
let token_list = lexer.scan();
/**/for(let one_token of token_list){
/**/one_token.type = Juicescript.token_type.name(one_token.type);
/**/console.log(one_token);
/**/}