add compiler

author: Lizzy Hunt <lizzy.hunt@usu.edu> 2023-11-16 19:06:35 -0700
committer: Lizzy Hunt <lizzy.hunt@usu.edu> 2023-11-16 19:06:35 -0700
commit: 56bf4878236f5464ba19d27b4342fa2a3a99eac6 (patch)
tree: 5ae8713f19fb9edb67fb6f53cb768501f594fa5e
parent: ec2b924fdac0b609c2bda4e857113674965732af (diff)
download: simponic.xyz-56bf4878236f5464ba19d27b4342fa2a3a99eac6.tar.gz
simponic.xyz-56bf4878236f5464ba19d27b4342fa2a3a99eac6.zip
7 files changed, 665 insertions, 223 deletions
diff --git a/godel/css/styles.css b/godel/css/styles.css
index 8820b40..b9c5c10 100644
--- a/godel/css/styles.css
+++ b/godel/css/styles.css
@@ -39,10 +39,21 @@ body {
   border: 2px solid white;
   border-radius: 0.25rem;
   padding: 1rem;
+  flex: 1;
+}
+
+.source-container {
+  display: flex;
+  flex-direction: row;
+  gap: 1rem;
+  height: 100%;
 }
 
 textarea {
   border-radius: 0.25rem;
+}
+
+.CodeMirror {
   height: 50vh;
 }
 
diff --git a/godel/grammar.peg b/godel/grammar.peg
index 1096b00..73ba08e 100644
--- a/godel/grammar.peg
+++ b/godel/grammar.peg
@@ -1,8 +1,8 @@
-Program = instructions: Line* {
-  return { instructions: instructions };
+Program = lines: (Line / (_/[\n]))* {
+  return { instructions: lines.filter((line) => typeof line !== "string" || line.trim() != "") };
 }
 
-Line = instruction: (LabeledInstruction / Instruction) _ {
+Line = _? instruction: (LabeledInstruction / Instruction) _? [\n]? {
   return instruction;
 }
 
@@ -16,9 +16,14 @@ Label = "[" _? label:LABEL_V _? "]" {
   
 Instruction = conditional: Conditional { return { conditional }; } 
   / assignment: Assignment { return { assignment }; }
+  / goto: Goto { return { goto }; }
 
-Conditional = "IF" _ variable: VAR  _ "!=" _ "0" _ "GOTO" _ label: Label {
-  return { variable, label };
+Goto = GOTO _ label: LABEL_V {
+  return { label };
+}
+
+Conditional = "IF" _ variable: VAR  _? "!=" _? "0" _ goto: Goto {
+  return { variable, goto };
 }
 
 Assignment = variable: VAR _ "<-" _ expr: Expression {
@@ -30,19 +35,25 @@ Assignment = variable: VAR _ "<-" _ expr: Expression {
 
 Expression = left: VAR _ opr: OPERATION _ "1" {
   return { left, opr };
+} / left: VAR  {
+  return { left };
 }
 
 VAR = symbol:"Y" { return symbol } / symbol:("X" / "Z") ind:Integer+ {
   return symbol + ind;
 }
 
+GOTO = "GOTO"
+
 OPERATION = "+" / "-"
 
-LABEL_V = symbol:[A-E] ind:Integer+ {
+LABEL_V = symbol:END_LABEL { return symbol } / symbol:[A-E] ind:Integer+ {
   return symbol + ind;
 }
 
+END_LABEL = "E"
+
 Integer "integer"
-  = _ [0-9]+ { return parseInt(text(), 10); }
+  = [0-9]+ { return parseInt(text(), 10); }
 
-_ "whitespace" = [ \t\n\r]* {  }
+_ "whitespace" = [ \t]+ {  }
diff --git a/godel/index.html b/godel/index.html
index 84cde8f..055f13d 100644
--- a/godel/index.html
+++ b/godel/index.html
@@ -1,35 +1,46 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
-<head>
-  <title>L-Program Compiler</title>
-  <link rel="stylesheet" type="text/css" href="css/styles.css">
-  <link rel="stylesheet" type="text/css" href=
-  "codemirror/codemirror.css">
-</head>
-<body>
-  <div class="container">
-    <h1>L-Program Compiler</h1>
-    <p><i>Developed for Kulyukin's CS5000</i></p>
-    <hr>
-    <div class="textarea-container">
-      <textarea id="instructions">// asdf
-q0 B 1 q1
-q1 1 R q1
-q1 B 1 q2
-q2 1 R q2
-q2 B 1 f</textarea>
-      <div>
-        <button id="compile">Compile</button><span style=
-        "margin-left: 0.5rem" id="compile_status"></span>
-      </div>
-      <div>
-        <button id="copy_state">Copy State</button>
+  <head>
+    <title>Liz's L-Program Compiler</title>
+    <link rel="stylesheet" type="text/css" href="codemirror/codemirror.css" />
+    <link rel="stylesheet" type="text/css" href="css/styles.css" />
+  </head>
+  <body>
+    <div class="container">
+      <h1>Liz's L-Program Compiler</h1>
+      <p><i>Developed for Kulyukin's CS5000</i></p>
+      <hr />
+      <div class="source-container">
+        <div class="textarea-container">
+          <h3>L Source</h3>
+          <textarea id="instructions">
+// asdf
+[ B1 ] X1 <- X1 + 1
+       IF X1 != 0 GOTO B1
+       X1 <- X1
+</textarea
+          >
+          <div>
+            <button id="compile">Compile</button
+            ><span style="margin-left: 0.5rem" id="compile_status"></span>
+          </div>
+        </div>
+        <div class="textarea-container">
+          <h3>Compiled JS</h3>
+          <textarea id="compiled"></textarea>
+          <div>
+            <button id="eval">Eval</button
+            ><span style="margin-left: 0.5rem" id="eval_status"></span>
+          </div>
+        </div>
       </div>
     </div>
-  </div>
-  <script src="codemirror/codemirror.js"></script> 
-  <script src="js/observable.js"></script> 
-  <script src="js/parser.js"></script> 
-  <script src="js/main.js"></script>
-</body>
+    <script src="codemirror/codemirror.js"></script>
+    <script src="js-beautify/js-beautify.js"></script>
+
+    <script src="js/observable.js"></script>
+    <script src="js/parser.js"></script>
+    <script src="js/compiler.js"></script>
+    <script src="js/main.js"></script>
+  </body>
 </html>
diff --git a/godel/js-beautify/js-beautify.js b/godel/js-beautify/js-beautify.js
new file mode 100644
index 0000000..342352d
--- /dev/null
+++ b/godel/js-beautify/js-beautify.js
@@ -0,0 +1 @@
+!function(){!function(){"use strict";var n=[function(t,e,i){var n=i(1).Beautifier,u=i(5).Options;t.exports=function(t,e){return new n(t,e).beautify()},t.exports.defaultOptions=function(){return new u}},function(t,e,i){var n=i(2).Output,u=i(3).Token,o=i(4),_=i(5).Options,s=i(7).Tokenizer,r=i(7).line_starters,h=i(7).positionable_operators,p=i(7).TOKEN;function l(t,e){return-1!==e.indexOf(t)}function a(t,e){return t&&t.type===p.RESERVED&&t.text===e}function f(t,e){return t&&t.type===p.RESERVED&&l(t.text,e)}var c=["case","return","do","if","throw","else","await","break","continue","async"],d=function(t){for(var e={},i=0;i<t.length;i++)e[t[i].replace(/-/g,"_")]=t[i];return e}(["before-newline","after-newline","preserve-newline"]),b=[d.before_newline,d.preserve_newline],g="BlockStatement",k="Statement",m="ObjectLiteral",w="ArrayLiteral",y="ForInitializer",x="Conditional",v="Expression";function E(t,e){e.multiline_frame||e.mode===y||e.mode===x||t.remove_indent(e.start_line_index)}function R(t){return t===w}function O(t){return l(t,[v,y,x])}function T(t,e){e=e||{},this._source_text=t||"",this._output=null,this._tokens=null,this._last_last_text=null,this._flags=null,this._previous_flags=null,this._flag_store=null,this._options=new _(e)}T.prototype.create_flags=function(t,e){var i=0;return t&&(i=t.indentation_level,!this._output.just_added_newline()&&t.line_indent_level>i&&(i=t.line_indent_level)),{mode:e,parent:t,last_token:t?t.last_token:new u(p.START_BLOCK,""),last_word:t?t.last_word:"",declaration_statement:!1,declaration_assignment:!1,multiline_frame:!1,inline_frame:!1,if_block:!1,else_block:!1,class_start_block:!1,do_block:!1,do_while:!1,import_block:!1,in_case_statement:!1,in_case:!1,case_body:!1,case_block:!1,indentation_level:i,alignment:0,line_indent_level:t?t.line_indent_level:i,start_line_index:this._output.get_line_number(),ternary_depth:0}},T.prototype._reset=function(t){var e=t.match(/^[\t ]*/)[0],e=(this._last_last_text="",this._output=new n(this._options,e),this._output.raw=this._options.test_output_raw,this._flag_store=[],this.set_mode(g),new s(t,this._options));return this._tokens=e.tokenize(),t},T.prototype.beautify=function(){if(this._options.disabled)return this._source_text;for(var t=this._reset(this._source_text),e=this._options.eol,i=("auto"===this._options.eol&&(e="\n",t&&o.lineBreak.test(t||"")&&(e=t.match(o.lineBreak)[0])),this._tokens.next());i;)this.handle_token(i),this._last_last_text=this._flags.last_token.text,this._flags.last_token=i,i=this._tokens.next();return this._output.get_code(e)},T.prototype.handle_token=function(t,e){t.type===p.START_EXPR?this.handle_start_expr(t):t.type===p.END_EXPR?this.handle_end_expr(t):t.type===p.START_BLOCK?this.handle_start_block(t):t.type===p.END_BLOCK?this.handle_end_block(t):t.type===p.WORD||t.type===p.RESERVED?this.handle_word(t):t.type===p.SEMICOLON?this.handle_semicolon(t):t.type===p.STRING?this.handle_string(t):t.type===p.EQUALS?this.handle_equals(t):t.type===p.OPERATOR?this.handle_operator(t):t.type===p.COMMA?this.handle_comma(t):t.type===p.BLOCK_COMMENT?this.handle_block_comment(t,e):t.type===p.COMMENT?this.handle_comment(t,e):t.type===p.DOT?this.handle_dot(t):t.type===p.EOF?this.handle_eof(t):(t.type,p.UNKNOWN,this.handle_unknown(t,e))},T.prototype.handle_whitespace_and_comments=function(t,e){var i=t.newlines,n=this._options.keep_array_indentation&&R(this._flags.mode);if(t.comments_before)for(var u=t.comments_before.next();u;)this.handle_whitespace_and_comments(u,e),this.handle_token(u,e),u=t.comments_before.next();if(n)for(var _=0;_<i;_+=1)this.print_newline(0<_,e);else if(this._options.max_preserve_newlines&&i>this._options.max_preserve_newlines&&(i=this._options.max_preserve_newlines),this._options.preserve_newlines&&1<i){this.print_newline(!1,e);for(var s=1;s<i;s+=1)this.print_newline(!0,e)}};var A=["async","break","continue","return","throw","yield"];T.prototype.allow_wrap_or_preserved_newline=function(t,e){e=void 0!==e&&e,this._output.just_added_newline()||(e=this._options.preserve_newlines&&t.newlines||e,(l(this._flags.last_token.text,h)||l(t.text,h))&&(t=l(this._flags.last_token.text,h)&&l(this._options.operator_position,b)||l(t.text,h),e=e&&t),e?this.print_newline(!1,!0):this._options.wrap_line_length&&!f(this._flags.last_token,A)&&this._output.set_wrap_point())},T.prototype.print_newline=function(t,e){if(!e&&";"!==this._flags.last_token.text&&","!==this._flags.last_token.text&&"="!==this._flags.last_token.text&&(this._flags.last_token.type!==p.OPERATOR||"--"===this._flags.last_token.text||"++"===this._flags.last_token.text))for(var i=this._tokens.peek();!(this._flags.mode!==k||this._flags.if_block&&a(i,"else")||this._flags.do_block);)this.restore_mode();this._output.add_new_line(t)&&(this._flags.multiline_frame=!0)},T.prototype.print_token_line_indentation=function(t){this._output.just_added_newline()&&(this._options.keep_array_indentation&&t.newlines&&("["===t.text||R(this._flags.mode))?(this._output.current_line.set_indent(-1),this._output.current_line.push(t.whitespace_before),this._output.space_before_token=!1):this._output.set_indent(this._flags.indentation_level,this._flags.alignment)&&(this._flags.line_indent_level=this._flags.indentation_level))},T.prototype.print_token=function(t){var e;this._output.raw?this._output.add_raw_token(t):(this._options.comma_first&&t.previous&&t.previous.type===p.COMMA&&this._output.just_added_newline()&&","===this._output.previous_line.last()&&(e=this._output.previous_line.pop(),this._output.previous_line.is_empty()&&(this._output.previous_line.push(e),this._output.trim(!0),this._output.current_line.pop(),this._output.trim()),this.print_token_line_indentation(t),this._output.add_token(","),this._output.space_before_token=!0),this.print_token_line_indentation(t),this._output.non_breaking_space=!0,this._output.add_token(t.text),this._output.previous_token_wrapped&&(this._flags.multiline_frame=!0))},T.prototype.indent=function(){this._flags.indentation_level+=1,this._output.set_indent(this._flags.indentation_level,this._flags.alignment)},T.prototype.deindent=function(){0<this._flags.indentation_level&&(!this._flags.parent||this._flags.indentation_level>this._flags.parent.indentation_level)&&(--this._flags.indentation_level,this._output.set_indent(this._flags.indentation_level,this._flags.alignment))},T.prototype.set_mode=function(t){this._flags?(this._flag_store.push(this._flags),this._previous_flags=this._flags):this._previous_flags=this.create_flags(null,t),this._flags=this.create_flags(this._previous_flags,t),this._output.set_indent(this._flags.indentation_level,this._flags.alignment)},T.prototype.restore_mode=function(){0<this._flag_store.length&&(this._previous_flags=this._flags,this._flags=this._flag_store.pop(),this._previous_flags.mode===k&&E(this._output,this._previous_flags),this._output.set_indent(this._flags.indentation_level,this._flags.alignment))},T.prototype.start_of_object_property=function(){return this._flags.parent.mode===m&&this._flags.mode===k&&(":"===this._flags.last_token.text&&0===this._flags.ternary_depth||f(this._flags.last_token,["get","set"]))},T.prototype.start_of_statement=function(t){return!!(f(this._flags.last_token,["var","let","const"])&&t.type===p.WORD||a(this._flags.last_token,"do")||!(this._flags.parent.mode===m&&this._flags.mode===k)&&f(this._flags.last_token,A)&&!t.newlines||a(this._flags.last_token,"else")&&!(a(t,"if")&&!t.comments_before)||this._flags.last_token.type===p.END_EXPR&&(this._previous_flags.mode===y||this._previous_flags.mode===x)||this._flags.last_token.type===p.WORD&&this._flags.mode===g&&!this._flags.in_case&&!("--"===t.text||"++"===t.text)&&"function"!==this._last_last_text&&t.type!==p.WORD&&t.type!==p.RESERVED||this._flags.mode===m&&(":"===this._flags.last_token.text&&0===this._flags.ternary_depth||f(this._flags.last_token,["get","set"])))&&(this.set_mode(k),this.indent(),this.handle_whitespace_and_comments(t,!0),this.start_of_object_property()||this.allow_wrap_or_preserved_newline(t,f(t,["do","for","if","while"])),!0)},T.prototype.handle_start_expr=function(t){this.start_of_statement(t)||this.handle_whitespace_and_comments(t);var e,i,n=v;if("["===t.text){if(this._flags.last_token.type===p.WORD||")"===this._flags.last_token.text)return f(this._flags.last_token,r)&&(this._output.space_before_token=!0),this.print_token(t),this.set_mode(n),this.indent(),void(this._options.space_in_paren&&(this._output.space_before_token=!0));n=w,!R(this._flags.mode)||"["!==this._flags.last_token.text&&(","!==this._flags.last_token.text||"]"!==this._last_last_text&&"}"!==this._last_last_text)||this._options.keep_array_indentation||this.print_newline(),l(this._flags.last_token.type,[p.START_EXPR,p.END_EXPR,p.WORD,p.OPERATOR,p.DOT])||(this._output.space_before_token=!0)}else this._flags.last_token.type===p.RESERVED?"for"===this._flags.last_token.text?(this._output.space_before_token=this._options.space_before_conditional,n=y):l(this._flags.last_token.text,["if","while","switch"])?(this._output.space_before_token=this._options.space_before_conditional,n=x):l(this._flags.last_word,["await","async"])?this._output.space_before_token=!0:"import"===this._flags.last_token.text&&""===t.whitespace_before?this._output.space_before_token=!1:!l(this._flags.last_token.text,r)&&"catch"!==this._flags.last_token.text||(this._output.space_before_token=!0):this._flags.last_token.type===p.EQUALS||this._flags.last_token.type===p.OPERATOR?this.start_of_object_property()||this.allow_wrap_or_preserved_newline(t):this._flags.last_token.type===p.WORD?(this._output.space_before_token=!1,e=this._tokens.peek(-3),this._options.space_after_named_function&&e&&(i=this._tokens.peek(-4),f(e,["async","function"])||"*"===e.text&&f(i,["async","function"])?this._output.space_before_token=!0:this._flags.mode===m?"{"!==e.text&&","!==e.text&&("*"!==e.text||"{"!==i.text&&","!==i.text)||(this._output.space_before_token=!0):this._flags.parent&&this._flags.parent.class_start_block&&(this._output.space_before_token=!0))):this.allow_wrap_or_preserved_newline(t),(this._flags.last_token.type===p.RESERVED&&("function"===this._flags.last_word||"typeof"===this._flags.last_word)||"*"===this._flags.last_token.text&&(l(this._last_last_text,["function","yield"])||this._flags.mode===m&&l(this._last_last_text,["{",","])))&&(this._output.space_before_token=this._options.space_after_anon_function);";"===this._flags.last_token.text||this._flags.last_token.type===p.START_BLOCK?this.print_newline():this._flags.last_token.type!==p.END_EXPR&&this._flags.last_token.type!==p.START_EXPR&&this._flags.last_token.type!==p.END_BLOCK&&"."!==this._flags.last_token.text&&this._flags.last_token.type!==p.COMMA||this.allow_wrap_or_preserved_newline(t,t.newlines),this.print_token(t),this.set_mode(n),this._options.space_in_paren&&(this._output.space_before_token=!0),this.indent()},T.prototype.handle_end_expr=function(t){for(;this._flags.mode===k;)this.restore_mode();this.handle_whitespace_and_comments(t),this._flags.multiline_frame&&this.allow_wrap_or_preserved_newline(t,"]"===t.text&&R(this._flags.mode)&&!this._options.keep_array_indentation),this._options.space_in_paren&&(this._flags.last_token.type!==p.START_EXPR||this._options.space_in_empty_paren?this._output.space_before_token=!0:(this._output.trim(),this._output.space_before_token=!1)),this.deindent(),this.print_token(t),this.restore_mode(),E(this._output,this._previous_flags),this._flags.do_while&&this._previous_flags.mode===x&&(this._previous_flags.mode=v,this._flags.do_block=!1,this._flags.do_while=!1)},T.prototype.handle_start_block=function(t){this.handle_whitespace_and_comments(t);var e=this._tokens.peek(),i=this._tokens.peek(1),i=("switch"===this._flags.last_word&&this._flags.last_token.type===p.END_EXPR?(this.set_mode(g),this._flags.in_case_statement=!0):this._flags.case_body?this.set_mode(g):i&&(l(i.text,[":",","])&&l(e.type,[p.STRING,p.WORD,p.RESERVED])||l(e.text,["get","set","..."])&&l(i.type,[p.WORD,p.RESERVED]))?l(this._last_last_text,["class","interface"])&&!l(i.text,[":",","])?this.set_mode(g):this.set_mode(m):(this._flags.last_token.type!==p.OPERATOR||"=>"!==this._flags.last_token.text)&&(l(this._flags.last_token.type,[p.EQUALS,p.START_EXPR,p.COMMA,p.OPERATOR])||f(this._flags.last_token,["return","throw","import","default"]))?this.set_mode(m):this.set_mode(g),this._flags.last_token&&f(this._flags.last_token.previous,["class","extends"])&&(this._flags.class_start_block=!0),!e.comments_before&&"}"===e.text),e=i&&"function"===this._flags.last_word&&this._flags.last_token.type===p.END_EXPR;if(this._options.brace_preserve_inline){var n=0,u=null;this._flags.inline_frame=!0;do{if((u=this._tokens.peek((n+=1)-1)).newlines){this._flags.inline_frame=!1;break}}while(u.type!==p.EOF&&(u.type!==p.END_BLOCK||u.opened!==t))}("expand"===this._options.brace_style||"none"===this._options.brace_style&&t.newlines)&&!this._flags.inline_frame?this._flags.last_token.type!==p.OPERATOR&&(e||this._flags.last_token.type===p.EQUALS||f(this._flags.last_token,c)&&"else"!==this._flags.last_token.text)?this._output.space_before_token=!0:this.print_newline(!1,!0):(!R(this._previous_flags.mode)||this._flags.last_token.type!==p.START_EXPR&&this._flags.last_token.type!==p.COMMA||(this._flags.last_token.type!==p.COMMA&&!this._options.space_in_paren||(this._output.space_before_token=!0),(this._flags.last_token.type===p.COMMA||this._flags.last_token.type===p.START_EXPR&&this._flags.inline_frame)&&(this.allow_wrap_or_preserved_newline(t),this._previous_flags.multiline_frame=this._previous_flags.multiline_frame||this._flags.multiline_frame,this._flags.multiline_frame=!1)),this._flags.last_token.type!==p.OPERATOR&&this._flags.last_token.type!==p.START_EXPR&&(l(this._flags.last_token.type,[p.START_BLOCK,p.SEMICOLON])&&!this._flags.inline_frame?this.print_newline():this._output.space_before_token=!0)),this.print_token(t),this.indent(),i||this._options.brace_preserve_inline&&this._flags.inline_frame||this.print_newline()},T.prototype.handle_end_block=function(t){for(this.handle_whitespace_and_comments(t);this._flags.mode===k;)this.restore_mode();var e=this._flags.last_token.type===p.START_BLOCK;this._flags.inline_frame&&!e?this._output.space_before_token=!0:"expand"===this._options.brace_style?e||this.print_newline():e||(R(this._flags.mode)&&this._options.keep_array_indentation?(this._options.keep_array_indentation=!1,this.print_newline(),this._options.keep_array_indentation=!0):this.print_newline()),this.restore_mode(),this.print_token(t)},T.prototype.handle_word=function(t){if(t.type===p.RESERVED&&(l(t.text,["set","get"])&&this._flags.mode!==m||"import"===t.text&&l(this._tokens.peek().text,["(","."])||l(t.text,["as","from"])&&!this._flags.import_block||this._flags.mode===m&&":"===this._tokens.peek().text)&&(t.type=p.WORD),this.start_of_statement(t)?f(this._flags.last_token,["var","let","const"])&&t.type===p.WORD&&(this._flags.declaration_statement=!0):!t.newlines||O(this._flags.mode)||this._flags.last_token.type===p.OPERATOR&&"--"!==this._flags.last_token.text&&"++"!==this._flags.last_token.text||this._flags.last_token.type===p.EQUALS||!this._options.preserve_newlines&&f(this._flags.last_token,["var","let","const","set","get"])?this.handle_whitespace_and_comments(t):(this.handle_whitespace_and_comments(t),this.print_newline()),this._flags.do_block&&!this._flags.do_while){if(a(t,"while"))return this._output.space_before_token=!0,this.print_token(t),this._output.space_before_token=!0,void(this._flags.do_while=!0);this.print_newline(),this._flags.do_block=!1}if(this._flags.if_block)if(!this._flags.else_block&&a(t,"else"))this._flags.else_block=!0;else{for(;this._flags.mode===k;)this.restore_mode();this._flags.if_block=!1,this._flags.else_block=!1}if(this._flags.in_case_statement&&f(t,["case","default"]))return this.print_newline(),this._flags.case_block||!this._flags.case_body&&!this._options.jslint_happy||this.deindent(),this._flags.case_body=!1,this.print_token(t),void(this._flags.in_case=!0);if(this._flags.last_token.type!==p.COMMA&&this._flags.last_token.type!==p.START_EXPR&&this._flags.last_token.type!==p.EQUALS&&this._flags.last_token.type!==p.OPERATOR||this.start_of_object_property()||l(this._flags.last_token.text,["+","-"])&&":"===this._last_last_text&&this._flags.parent.mode===m||this.allow_wrap_or_preserved_newline(t),a(t,"function"))return!(l(this._flags.last_token.text,["}",";"])||this._output.just_added_newline()&&!l(this._flags.last_token.text,["(","[","{",":","=",","])&&this._flags.last_token.type!==p.OPERATOR)||this._output.just_added_blankline()||t.comments_before||(this.print_newline(),this.print_newline(!0)),this._flags.last_token.type===p.RESERVED||this._flags.last_token.type===p.WORD?f(this._flags.last_token,["get","set","new","export"])||f(this._flags.last_token,A)||a(this._flags.last_token,"default")&&"export"===this._last_last_text||"declare"===this._flags.last_token.text?this._output.space_before_token=!0:this.print_newline():this._flags.last_token.type===p.OPERATOR||"="===this._flags.last_token.text?this._output.space_before_token=!0:!this._flags.multiline_frame&&(O(this._flags.mode)||R(this._flags.mode))||this.print_newline(),this.print_token(t),void(this._flags.last_word=t.text);var e="NONE";this._flags.last_token.type===p.END_BLOCK?this._previous_flags.inline_frame?e="SPACE":!f(t,["else","catch","finally","from"])||"expand"===this._options.brace_style||"end-expand"===this._options.brace_style||"none"===this._options.brace_style&&t.newlines?e="NEWLINE":(e="SPACE",this._output.space_before_token=!0):this._flags.last_token.type===p.SEMICOLON&&this._flags.mode===g?e="NEWLINE":this._flags.last_token.type===p.SEMICOLON&&O(this._flags.mode)?e="SPACE":this._flags.last_token.type===p.STRING?e="NEWLINE":this._flags.last_token.type===p.RESERVED||this._flags.last_token.type===p.WORD||"*"===this._flags.last_token.text&&(l(this._last_last_text,["function","yield"])||this._flags.mode===m&&l(this._last_last_text,["{",","]))?e="SPACE":this._flags.last_token.type===p.START_BLOCK?e=this._flags.inline_frame?"SPACE":"NEWLINE":this._flags.last_token.type===p.END_EXPR&&(this._output.space_before_token=!0,e="NEWLINE"),f(t,r)&&")"!==this._flags.last_token.text&&(e=this._flags.inline_frame||"else"===this._flags.last_token.text||"export"===this._flags.last_token.text?"SPACE":"NEWLINE"),f(t,["else","catch","finally"])?(this._flags.last_token.type!==p.END_BLOCK||this._previous_flags.mode!==g||"expand"===this._options.brace_style||"end-expand"===this._options.brace_style||"none"===this._options.brace_style&&t.newlines)&&!this._flags.inline_frame?this.print_newline():(this._output.trim(!0),"}"!==this._output.current_line.last()&&this.print_newline(),this._output.space_before_token=!0):"NEWLINE"===e?f(this._flags.last_token,c)||"declare"===this._flags.last_token.text&&f(t,["var","let","const"])?this._output.space_before_token=!0:this._flags.last_token.type!==p.END_EXPR?this._flags.last_token.type===p.START_EXPR&&f(t,["var","let","const"])||":"===this._flags.last_token.text||(a(t,"if")&&a(t.previous,"else")?this._output.space_before_token=!0:this.print_newline()):f(t,r)&&")"!==this._flags.last_token.text&&this.print_newline():this._flags.multiline_frame&&R(this._flags.mode)&&","===this._flags.last_token.text&&"}"===this._last_last_text?this.print_newline():"SPACE"===e&&(this._output.space_before_token=!0),!t.previous||t.previous.type!==p.WORD&&t.previous.type!==p.RESERVED||(this._output.space_before_token=!0),this.print_token(t),this._flags.last_word=t.text,t.type===p.RESERVED&&("do"===t.text?this._flags.do_block=!0:"if"===t.text?this._flags.if_block=!0:"import"===t.text?this._flags.import_block=!0:this._flags.import_block&&a(t,"from")&&(this._flags.import_block=!1))},T.prototype.handle_semicolon=function(t){this.start_of_statement(t)?this._output.space_before_token=!1:this.handle_whitespace_and_comments(t);for(var e=this._tokens.peek();!(this._flags.mode!==k||this._flags.if_block&&a(e,"else")||this._flags.do_block);)this.restore_mode();this._flags.import_block&&(this._flags.import_block=!1),this.print_token(t)},T.prototype.handle_string=function(t){t.text.startsWith("`")&&0===t.newlines&&""===t.whitespace_before&&(")"===t.previous.text||this._flags.last_token.type===p.WORD)||(this.start_of_statement(t)?this._output.space_before_token=!0:(this.handle_whitespace_and_comments(t),this._flags.last_token.type===p.RESERVED||this._flags.last_token.type===p.WORD||this._flags.inline_frame?this._output.space_before_token=!0:this._flags.last_token.type===p.COMMA||this._flags.last_token.type===p.START_EXPR||this._flags.last_token.type===p.EQUALS||this._flags.last_token.type===p.OPERATOR?this.start_of_object_property()||this.allow_wrap_or_preserved_newline(t):!t.text.startsWith("`")||this._flags.last_token.type!==p.END_EXPR||"]"!==t.previous.text&&")"!==t.previous.text||0!==t.newlines?this.print_newline():this._output.space_before_token=!0)),this.print_token(t)},T.prototype.handle_equals=function(t){this.start_of_statement(t)||this.handle_whitespace_and_comments(t),this._flags.declaration_statement&&(this._flags.declaration_assignment=!0),this._output.space_before_token=!0,this.print_token(t),this._output.space_before_token=!0},T.prototype.handle_comma=function(t){this.handle_whitespace_and_comments(t,!0),this.print_token(t),this._output.space_before_token=!0,this._flags.declaration_statement?(O(this._flags.parent.mode)&&(this._flags.declaration_assignment=!1),this._flags.declaration_assignment?(this._flags.declaration_assignment=!1,this.print_newline(!1,!0)):this._options.comma_first&&this.allow_wrap_or_preserved_newline(t)):this._flags.mode===m||this._flags.mode===k&&this._flags.parent.mode===m?(this._flags.mode===k&&this.restore_mode(),this._flags.inline_frame||this.print_newline()):this._options.comma_first&&this.allow_wrap_or_preserved_newline(t)},T.prototype.handle_operator=function(t){var e="*"===t.text&&(f(this._flags.last_token,["function","yield"])||l(this._flags.last_token.type,[p.START_BLOCK,p.COMMA,p.END_BLOCK,p.SEMICOLON])),i=l(t.text,["-","+"])&&(l(this._flags.last_token.type,[p.START_BLOCK,p.START_EXPR,p.EQUALS,p.OPERATOR])||l(this._flags.last_token.text,r)||","===this._flags.last_token.text);if(this.start_of_statement(t)||this.handle_whitespace_and_comments(t,!e),"*"===t.text&&this._flags.last_token.type===p.DOT)this.print_token(t);else if("::"===t.text)this.print_token(t);else if(l(t.text,["-","+"])&&this.start_of_object_property())this.print_token(t);else{if(this._flags.last_token.type===p.OPERATOR&&l(this._options.operator_position,b)&&this.allow_wrap_or_preserved_newline(t),":"===t.text&&this._flags.in_case)return this.print_token(t),this._flags.in_case=!1,this._flags.case_body=!0,void(this._tokens.peek().type!==p.START_BLOCK?(this.indent(),this.print_newline(),this._flags.case_block=!1):(this._flags.case_block=!0,this._output.space_before_token=!0));var n=!0,u=!0,_=!1;if(":"===t.text?0===this._flags.ternary_depth?n=!1:(--this._flags.ternary_depth,_=!0):"?"===t.text&&(this._flags.ternary_depth+=1),!i&&!e&&this._options.preserve_newlines&&l(t.text,h)){var s=":"===t.text,a=s&&_,o=s&&!_;switch(this._options.operator_position){case d.before_newline:return this._output.space_before_token=!o,this.print_token(t),s&&!a||this.allow_wrap_or_preserved_newline(t),void(this._output.space_before_token=!0);case d.after_newline:return this._output.space_before_token=!0,!s||a?this._tokens.peek().newlines?this.print_newline(!1,!0):this.allow_wrap_or_preserved_newline(t):this._output.space_before_token=!1,this.print_token(t),void(this._output.space_before_token=!0);case d.preserve_newline:return o||this.allow_wrap_or_preserved_newline(t),n=!(this._output.just_added_newline()||o),this._output.space_before_token=n,this.print_token(t),void(this._output.space_before_token=!0)}}e?(this.allow_wrap_or_preserved_newline(t),n=!1,u=(_=this._tokens.peek())&&l(_.type,[p.WORD,p.RESERVED])):"..."===t.text?(this.allow_wrap_or_preserved_newline(t),n=this._flags.last_token.type===p.START_BLOCK,u=!1):(l(t.text,["--","++","!","~"])||i)&&(this._flags.last_token.type!==p.COMMA&&this._flags.last_token.type!==p.START_EXPR||this.allow_wrap_or_preserved_newline(t),u=n=!1,!t.newlines||"--"!==t.text&&"++"!==t.text&&"~"!==t.text||((e=f(this._flags.last_token,c)&&t.newlines)&&(this._previous_flags.if_block||this._previous_flags.else_block)&&this.restore_mode(),this.print_newline(e,!0)),";"===this._flags.last_token.text&&O(this._flags.mode)&&(n=!0),this._flags.last_token.type===p.RESERVED?n=!0:this._flags.last_token.type===p.END_EXPR?n=!("]"===this._flags.last_token.text&&("--"===t.text||"++"===t.text)):this._flags.last_token.type===p.OPERATOR&&(n=l(t.text,["--","-","++","+"])&&l(this._flags.last_token.text,["--","-","++","+"]),l(t.text,["+","-"])&&l(this._flags.last_token.text,["--","++"])&&(u=!0)),(this._flags.mode!==g||this._flags.inline_frame)&&this._flags.mode!==k||"{"!==this._flags.last_token.text&&";"!==this._flags.last_token.text||this.print_newline()),this._output.space_before_token=this._output.space_before_token||n,this.print_token(t),this._output.space_before_token=u}},T.prototype.handle_block_comment=function(t,e){return this._output.raw?(this._output.add_raw_token(t),void(t.directives&&"end"===t.directives.preserve&&(this._output.raw=this._options.test_output_raw))):t.directives?(this.print_newline(!1,e),this.print_token(t),"start"===t.directives.preserve&&(this._output.raw=!0),void this.print_newline(!1,!0)):void(o.newline.test(t.text)||t.newlines?this.print_block_commment(t,e):(this._output.space_before_token=!0,this.print_token(t),this._output.space_before_token=!0))},T.prototype.print_block_commment=function(t,e){var i,n,u,_=function(t){for(var e=[],i=(t=t.replace(o.allLineBreaks,"\n")).indexOf("\n");-1!==i;)e.push(t.substring(0,i)),i=(t=t.substring(i+1)).indexOf("\n");return t.length&&e.push(t),e}(t.text),s=t.whitespace_before,a=s.length;if(this.print_newline(!1,e),this.print_token_line_indentation(t),this._output.add_token(_[0]),this.print_newline(!1,e),1<_.length){for(n=function(t,e){for(var i=0;i<t.length;i++)if(t[i].trim().charAt(0)!==e)return!1;return!0}(_=_.slice(1),"*"),u=function(t,e){for(var i,n=0,u=t.length;n<u;n++)if((i=t[n])&&0!==i.indexOf(e))return!1;return!0}(_,s),n&&(this._flags.alignment=1),i=0;i<_.length;i++)n?(this.print_token_line_indentation(t),this._output.add_token(_[i].replace(/^\s+/g,""))):u&&_[i]?(this.print_token_line_indentation(t),this._output.add_token(_[i].substring(a))):(this._output.current_line.set_indent(-1),this._output.add_token(_[i])),this.print_newline(!1,e);this._flags.alignment=0}},T.prototype.handle_comment=function(t,e){t.newlines?this.print_newline(!1,e):this._output.trim(!0),this._output.space_before_token=!0,this.print_token(t),this.print_newline(!1,e)},T.prototype.handle_dot=function(t){this.start_of_statement(t)||this.handle_whitespace_and_comments(t,!0),this._flags.last_token.text.match("^[0-9]+$")&&(this._output.space_before_token=!0),f(this._flags.last_token,c)?this._output.space_before_token=!1:this.allow_wrap_or_preserved_newline(t,")"===this._flags.last_token.text&&this._options.break_chained_methods),this._options.unindent_chained_methods&&this._output.just_added_newline()&&this.deindent(),this.print_token(t)},T.prototype.handle_unknown=function(t,e){this.print_token(t),"\n"===t.text[t.text.length-1]&&this.print_newline(!1,e)},T.prototype.handle_eof=function(t){for(;this._flags.mode===k;)this.restore_mode();this.handle_whitespace_and_comments(t)},t.exports.Beautifier=T},function(t){function u(t){this.__parent=t,this.__character_count=0,this.__indent_count=-1,this.__alignment_count=0,this.__wrap_point_index=0,this.__wrap_point_character_count=0,this.__wrap_point_indent_count=-1,this.__wrap_point_alignment_count=0,this.__items=[]}function i(t,e){this.__cache=[""],this.__indent_size=t.indent_size,this.__indent_string=t.indent_char,t.indent_with_tabs||(this.__indent_string=new Array(t.indent_size+1).join(t.indent_char)),e=e||"",0<t.indent_level&&(e=new Array(t.indent_level+1).join(this.__indent_string)),this.__base_string=e,this.__base_string_length=e.length}function e(t,e){this.__indent_cache=new i(t,e),this.raw=!1,this._end_with_newline=t.end_with_newline,this.indent_size=t.indent_size,this.wrap_line_length=t.wrap_line_length,this.indent_empty_lines=t.indent_empty_lines,this.__lines=[],this.previous_line=null,this.current_line=null,this.next_line=new u(this),this.space_before_token=!1,this.non_breaking_space=!1,this.previous_token_wrapped=!1,this.__add_outputline()}u.prototype.clone_empty=function(){var t=new u(this.__parent);return t.set_indent(this.__indent_count,this.__alignment_count),t},u.prototype.item=function(t){return t<0?this.__items[this.__items.length+t]:this.__items[t]},u.prototype.has_match=function(t){for(var e=this.__items.length-1;0<=e;e--)if(this.__items[e].match(t))return!0;return!1},u.prototype.set_indent=function(t,e){this.is_empty()&&(this.__indent_count=t||0,this.__alignment_count=e||0,this.__character_count=this.__parent.get_indent_size(this.__indent_count,this.__alignment_count))},u.prototype._set_wrap_point=function(){this.__parent.wrap_line_length&&(this.__wrap_point_index=this.__items.length,this.__wrap_point_character_count=this.__character_count,this.__wrap_point_indent_count=this.__parent.next_line.__indent_count,this.__wrap_point_alignment_count=this.__parent.next_line.__alignment_count)},u.prototype._should_wrap=function(){return this.__wrap_point_index&&this.__character_count>this.__parent.wrap_line_length&&this.__wrap_point_character_count>this.__parent.next_line.__character_count},u.prototype._allow_wrap=function(){var t;return!!this._should_wrap()&&(this.__parent.add_new_line(),(t=this.__parent.current_line).set_indent(this.__wrap_point_indent_count,this.__wrap_point_alignment_count),t.__items=this.__items.slice(this.__wrap_point_index),this.__items=this.__items.slice(0,this.__wrap_point_index),t.__character_count+=this.__character_count-this.__wrap_point_character_count,this.__character_count=this.__wrap_point_character_count," "===t.__items[0]&&(t.__items.splice(0,1),--t.__character_count),!0)},u.prototype.is_empty=function(){return 0===this.__items.length},u.prototype.last=function(){return this.is_empty()?null:this.__items[this.__items.length-1]},u.prototype.push=function(t){this.__items.push(t);var e=t.lastIndexOf("\n");-1!==e?this.__character_count=t.length-e:this.__character_count+=t.length},u.prototype.pop=function(){var t=null;return this.is_empty()||(t=this.__items.pop(),this.__character_count-=t.length),t},u.prototype._remove_indent=function(){0<this.__indent_count&&(--this.__indent_count,this.__character_count-=this.__parent.indent_size)},u.prototype._remove_wrap_indent=function(){0<this.__wrap_point_indent_count&&--this.__wrap_point_indent_count},u.prototype.trim=function(){for(;" "===this.last();)this.__items.pop(),--this.__character_count},u.prototype.toString=function(){var t="";return this.is_empty()?this.__parent.indent_empty_lines&&(t=this.__parent.get_indent_string(this.__indent_count)):(t=this.__parent.get_indent_string(this.__indent_count,this.__alignment_count),t+=this.__items.join("")),t},i.prototype.get_indent_size=function(t,e){var i=this.__base_string_length;return i=(i=t<0?0:i)+t*this.__indent_size+(e=e||0)},i.prototype.get_indent_string=function(t,e){var i=this.__base_string;return e=e||0,t<0&&(t=0,i=""),e+=t*this.__indent_size,this.__ensure_cache(e),i+=this.__cache[e]},i.prototype.__ensure_cache=function(t){for(;t>=this.__cache.length;)this.__add_column()},i.prototype.__add_column=function(){var t,e=this.__cache.length,i="";this.__indent_size&&e>=this.__indent_size&&(e-=(t=Math.floor(e/this.__indent_size))*this.__indent_size,i=new Array(t+1).join(this.__indent_string)),e&&(i+=new Array(e+1).join(" ")),this.__cache.push(i)},e.prototype.__add_outputline=function(){this.previous_line=this.current_line,this.current_line=this.next_line.clone_empty(),this.__lines.push(this.current_line)},e.prototype.get_line_number=function(){return this.__lines.length},e.prototype.get_indent_string=function(t,e){return this.__indent_cache.get_indent_string(t,e)},e.prototype.get_indent_size=function(t,e){return this.__indent_cache.get_indent_size(t,e)},e.prototype.is_empty=function(){return!this.previous_line&&this.current_line.is_empty()},e.prototype.add_new_line=function(t){return!(this.is_empty()||!t&&this.just_added_newline())&&(this.raw||this.__add_outputline(),!0)},e.prototype.get_code=function(t){this.trim(!0);var e=this.current_line.pop(),e=(e&&("\n"===e[e.length-1]&&(e=e.replace(/\n+$/g,"")),this.current_line.push(e)),this._end_with_newline&&this.__add_outputline(),this.__lines.join("\n"));return e="\n"!==t?e.replace(/[\n]/g,t):e},e.prototype.set_wrap_point=function(){this.current_line._set_wrap_point()},e.prototype.set_indent=function(t,e){return this.next_line.set_indent(t=t||0,e=e||0),1<this.__lines.length?(this.current_line.set_indent(t,e),!0):(this.current_line.set_indent(),!1)},e.prototype.add_raw_token=function(t){for(var e=0;e<t.newlines;e++)this.__add_outputline();this.current_line.set_indent(-1),this.current_line.push(t.whitespace_before),this.current_line.push(t.text),this.space_before_token=!1,this.non_breaking_space=!1,this.previous_token_wrapped=!1},e.prototype.add_token=function(t){this.__add_space_before_token(),this.current_line.push(t),this.space_before_token=!1,this.non_breaking_space=!1,this.previous_token_wrapped=this.current_line._allow_wrap()},e.prototype.__add_space_before_token=function(){this.space_before_token&&!this.just_added_newline()&&(this.non_breaking_space||this.set_wrap_point(),this.current_line.push(" "))},e.prototype.remove_indent=function(t){for(var e=this.__lines.length;t<e;)this.__lines[t]._remove_indent(),t++;this.current_line._remove_wrap_indent()},e.prototype.trim=function(t){for(t=void 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t.concat&&(e=t.concat()):"string"==typeof t&&(e=t.split(/[^a-zA-Z0-9_\/\-]+/)),e},e.prototype._get_boolean=function(t,e){t=this.raw_options[t];return void 0===t?!!e:!!t},e.prototype._get_characters=function(t,e){t=this.raw_options[t],e=e||"";return e="string"==typeof t?t.replace(/\\r/,"\r").replace(/\\n/,"\n").replace(/\\t/,"\t"):e},e.prototype._get_number=function(t,e){t=this.raw_options[t],e=parseInt(e,10),isNaN(e)&&(e=0),t=parseInt(t,10);return t=isNaN(t)?e:t},e.prototype._get_selection=function(t,e,i){i=this._get_selection_list(t,e,i);if(1!==i.length)throw new Error("Invalid Option Value: The option '"+t+"' can only be one of the following values:\n"+e+"\nYou passed in: '"+this.raw_options[t]+"'");return i[0]},e.prototype._get_selection_list=function(t,e,i){if(!e||0===e.length)throw new Error("Selection list cannot be empty.");if(i=i||[e[0]],!this._is_valid_selection(i,e))throw new Error("Invalid Default Value!");i=this._get_array(t,i);if(this._is_valid_selection(i,e))return i;throw new Error("Invalid Option Value: The option '"+t+"' can contain only the following values:\n"+e+"\nYou passed in: '"+this.raw_options[t]+"'")},e.prototype._is_valid_selection=function(t,e){return t.length&&e.length&&!t.some(function(t){return-1===e.indexOf(t)})},t.exports.Options=e,t.exports.normalizeOpts=u,t.exports.mergeOpts=i},function(t,e,i){var _=i(8).InputScanner,n=i(9).Tokenizer,u=i(9).TOKEN,s=i(13).Directives,r=i(4),a=i(12).Pattern,o=i(14).TemplatablePattern;function h(t,e){return-1!==e.indexOf(t)}function p(t,e){n.call(this,t,e),this._patterns.whitespace=this._patterns.whitespace.matching(/\u00A0\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff/.source,/\u2028\u2029/.source),t=new a(this._input),e=new o(this._input).read_options(this._options),this.__patterns={template:e,identifier:e.starting_with(r.identifier).matching(r.identifierMatch),number:t.matching(d),punct:t.matching(k),comment:t.starting_with(/\/\//).until(/[\n\r\u2028\u2029]/),block_comment:t.starting_with(/\/\*/).until_after(/\*\//),html_comment_start:t.matching(/<!--/),html_comment_end:t.matching(/-->/),include:t.starting_with(/#include/).until_after(r.lineBreak),shebang:t.starting_with(/#!/).until_after(r.lineBreak),xml:t.matching(/[\s\S]*?<(\/?)([-a-zA-Z:0-9_.]+|{[^}]+?}|!\[CDATA\[[^\]]*?\]\]|)(\s*{[^}]+?}|\s+[-a-zA-Z:0-9_.]+|\s+[-a-zA-Z:0-9_.]+\s*=\s*('[^']*'|"[^"]*"|{([^{}]|{[^}]+?})+?}))*\s*(\/?)\s*>/),single_quote:e.until(/['\\\n\r\u2028\u2029]/),double_quote:e.until(/["\\\n\r\u2028\u2029]/),template_text:e.until(/[`\\$]/),template_expression:e.until(/[`}\\]/)}}var l,f={START_EXPR:"TK_START_EXPR",END_EXPR:"TK_END_EXPR",START_BLOCK:"TK_START_BLOCK",END_BLOCK:"TK_END_BLOCK",WORD:"TK_WORD",RESERVED:"TK_RESERVED",SEMICOLON:"TK_SEMICOLON",STRING:"TK_STRING",EQUALS:"TK_EQUALS",OPERATOR:"TK_OPERATOR",COMMA:"TK_COMMA",BLOCK_COMMENT:"TK_BLOCK_COMMENT",COMMENT:"TK_COMMENT",DOT:"TK_DOT",UNKNOWN:"TK_UNKNOWN",START:u.START,RAW:u.RAW,EOF:u.EOF},c=new s(/\/\*/,/\*\//),d=/0[xX][0123456789abcdefABCDEF_]*n?|0[oO][01234567_]*n?|0[bB][01_]*n?|\d[\d_]*n|(?:\.\d[\d_]*|\d[\d_]*\.?[\d_]*)(?:[eE][+-]?[\d_]+)?/,b=/[0-9]/,g=/[^\d\.]/,i=">>> === !== &&= ??= ||= << && >= ** != == <= >> || ?? |> < / - + > : & % ? ^ | *".split(" "),u=">>>= ... >>= <<= === >>> !== **= &&= ??= ||= => ^= :: /= << <= == && -= >= >> != -- += ** || ?? ++ %= &= *= |= |> = ! ? > < : / ^ - + * & % ~ |",k=(u=(u="\\?\\.(?!\\d) "+(u=u.replace(/[-[\]{}()*+?.,\\^$|#]/g,"\\$&"))).replace(/ /g,"|"),new RegExp(u)),s="continue,try,throw,return,var,let,const,if,switch,case,default,for,while,break,function,import,export".split(","),u=s.concat(["do","in","of","else","get","set","new","catch","finally","typeof","yield","async","await","from","as","class","extends"]),m=new RegExp("^(?:"+u.join("|")+")$");(p.prototype=new n)._is_comment=function(t){return t.type===f.COMMENT||t.type===f.BLOCK_COMMENT||t.type===f.UNKNOWN},p.prototype._is_opening=function(t){return t.type===f.START_BLOCK||t.type===f.START_EXPR},p.prototype._is_closing=function(t,e){return(t.type===f.END_BLOCK||t.type===f.END_EXPR)&&e&&("]"===t.text&&"["===e.text||")"===t.text&&"("===e.text||"}"===t.text&&"{"===e.text)},p.prototype._reset=function(){l=!1},p.prototype._get_next_token=function(t,e){this._readWhitespace();var i=this._input.peek();return null===i?this._create_token(f.EOF,""):this._read_non_javascript(i)||this._read_string(i)||this._read_pair(i,this._input.peek(1))||this._read_word(t)||this._read_singles(i)||this._read_comment(i)||this._read_regexp(i,t)||this._read_xml(i,t)||this._read_punctuation()||this._create_token(f.UNKNOWN,this._input.next())},p.prototype._read_word=function(t){var e=this.__patterns.identifier.read();return""!==e?(e=e.replace(r.allLineBreaks,"\n"),t.type!==f.DOT&&(t.type!==f.RESERVED||"set"!==t.text&&"get"!==t.text)&&m.test(e)?"in"!==e&&"of"!==e||t.type!==f.WORD&&t.type!==f.STRING?this._create_token(f.RESERVED,e):this._create_token(f.OPERATOR,e):this._create_token(f.WORD,e)):""!==(e=this.__patterns.number.read())?this._create_token(f.WORD,e):void 0},p.prototype._read_singles=function(t){var e=null;return"("===t||"["===t?e=this._create_token(f.START_EXPR,t):")"===t||"]"===t?e=this._create_token(f.END_EXPR,t):"{"===t?e=this._create_token(f.START_BLOCK,t):"}"===t?e=this._create_token(f.END_BLOCK,t):";"===t?e=this._create_token(f.SEMICOLON,t):"."===t&&g.test(this._input.peek(1))?e=this._create_token(f.DOT,t):","===t&&(e=this._create_token(f.COMMA,t)),e&&this._input.next(),e},p.prototype._read_pair=function(t,e){var i=null;return(i="#"===t&&"{"===e?this._create_token(f.START_BLOCK,t+e):i)&&(this._input.next(),this._input.next()),i},p.prototype._read_punctuation=function(){var t=this.__patterns.punct.read();if(""!==t)return"="===t?this._create_token(f.EQUALS,t):"?."===t?this._create_token(f.DOT,t):this._create_token(f.OPERATOR,t)},p.prototype._read_non_javascript=function(t){var e="";if("#"===t){if(this._is_first_token()&&(e=this.__patterns.shebang.read()))return this._create_token(f.UNKNOWN,e.trim()+"\n");if(e=this.__patterns.include.read())return this._create_token(f.UNKNOWN,e.trim()+"\n");t=this._input.next();var i="#";if(this._input.hasNext()&&this._input.testChar(b)){for(;i+=t=this._input.next(),this._input.hasNext()&&"#"!==t&&"="!==t;);return"#"!==t&&("["===this._input.peek()&&"]"===this._input.peek(1)?(i+="[]",this._input.next(),this._input.next()):"{"===this._input.peek()&&"}"===this._input.peek(1)&&(i+="{}",this._input.next(),this._input.next())),this._create_token(f.WORD,i)}this._input.back()}else if("<"===t&&this._is_first_token()){if(e=this.__patterns.html_comment_start.read()){for(;this._input.hasNext()&&!this._input.testChar(r.newline);)e+=this._input.next();return l=!0,this._create_token(f.COMMENT,e)}}else if(l&&"-"===t&&(e=this.__patterns.html_comment_end.read()))return l=!1,this._create_token(f.COMMENT,e);return null},p.prototype._read_comment=function(t){var e,i=null;return"/"===t&&(t="","*"===this._input.peek(1)?(t=this.__patterns.block_comment.read(),(e=c.get_directives(t))&&"start"===e.ignore&&(t+=c.readIgnored(this._input)),t=t.replace(r.allLineBreaks,"\n"),(i=this._create_token(f.BLOCK_COMMENT,t)).directives=e):"/"===this._input.peek(1)&&(t=this.__patterns.comment.read(),i=this._create_token(f.COMMENT,t))),i},p.prototype._read_string=function(t){var e;return"`"===t||"'"===t||'"'===t?(e=this._input.next(),this.has_char_escapes=!1,e+="`"===t?this._read_string_recursive("`",!0,"${"):this._read_string_recursive(t),this.has_char_escapes&&this._options.unescape_strings&&(e=function(t){var e="",i=0,n=new _(t),u=null;for(;n.hasNext();)if((u=n.match(/([\s]|[^\\]|\\\\)+/g))&&(e+=u[0]),"\\"===n.peek()){if(n.next(),"x"===n.peek())u=n.match(/x([0-9A-Fa-f]{2})/g);else{if("u"!==n.peek()){e+="\\",n.hasNext()&&(e+=n.next());continue}u=(u=n.match(/u([0-9A-Fa-f]{4})/g))||n.match(/u\{([0-9A-Fa-f]+)\}/g)}if(!u)return t;if(126<(i=parseInt(u[1],16))&&i<=255&&0===u[0].indexOf("x"))return t;e+=0<=i&&i<32||1114111<i?"\\"+u[0]:34===i||39===i||92===i?"\\"+String.fromCharCode(i):String.fromCharCode(i)}return e}(e)),this._input.peek()===t&&(e+=this._input.next()),e=e.replace(r.allLineBreaks,"\n"),this._create_token(f.STRING,e)):null},p.prototype._allow_regexp_or_xml=function(t){return t.type===f.RESERVED&&h(t.text,["return","case","throw","else","do","typeof","yield"])||t.type===f.END_EXPR&&")"===t.text&&t.opened.previous.type===f.RESERVED&&h(t.opened.previous.text,["if","while","for"])||h(t.type,[f.COMMENT,f.START_EXPR,f.START_BLOCK,f.START,f.END_BLOCK,f.OPERATOR,f.EQUALS,f.EOF,f.SEMICOLON,f.COMMA])},p.prototype._read_regexp=function(t,e){if("/"===t&&this._allow_regexp_or_xml(e)){for(var i=this._input.next(),n=!1,u=!1;this._input.hasNext()&&(n||u||this._input.peek()!==t)&&!this._input.testChar(r.newline);)i+=this._input.peek(),n?n=!1:(n="\\"===this._input.peek(),"["===this._input.peek()?u=!0:"]"===this._input.peek()&&(u=!1)),this._input.next();return this._input.peek()===t&&(i=(i+=this._input.next())+this._input.read(r.identifier)),this._create_token(f.STRING,i)}return null},p.prototype._read_xml=function(t,e){if(this._options.e4x&&"<"===t&&this._allow_regexp_or_xml(e)){var i="",n=this.__patterns.xml.read_match();if(n){for(var u=n[2].replace(/^{\s+/,"{").replace(/\s+}$/,"}"),_=0===u.indexOf("{"),s=0;n;){var a=!!n[1],o=n[2];if(!(!!n[n.length-1]||"![CDATA["===o.slice(0,8))&&(o===u||_&&o.replace(/^{\s+/,"{").replace(/\s+}$/,"}"))&&(a?--s:++s),i+=n[0],s<=0)break;n=this.__patterns.xml.read_match()}return n||(i+=this._input.match(/[\s\S]*/g)[0]),i=i.replace(r.allLineBreaks,"\n"),this._create_token(f.STRING,i)}}return null},p.prototype._read_string_recursive=function(t,e,i){"'"===t?u=this.__patterns.single_quote:'"'===t?u=this.__patterns.double_quote:"`"===t?u=this.__patterns.template_text:"}"===t&&(u=this.__patterns.template_expression);for(var n,u,_=u.read(),s="";this._input.hasNext();){if((s=this._input.next())===t||!e&&r.newline.test(s)){this._input.back();break}"\\"===s&&this._input.hasNext()?("x"===(n=this._input.peek())||"u"===n?this.has_char_escapes=!0:"\r"===n&&"\n"===this._input.peek(1)&&this._input.next(),s+=this._input.next()):i&&("${"===i&&"$"===s&&"{"===this._input.peek()&&(s+=this._input.next()),i===s&&(s+="`"===t?this._read_string_recursive("}",e,"`"):this._read_string_recursive("`",e,"${"),this._input.hasNext()&&(s+=this._input.next()))),_+=s+=u.read()}return _},t.exports.Tokenizer=p,t.exports.TOKEN=f,t.exports.positionable_operators=i.slice(),t.exports.line_starters=s.slice()},function(t){var n=RegExp.prototype.hasOwnProperty("sticky");function e(t){this.__input=t||"",this.__input_length=this.__input.length,this.__position=0}e.prototype.restart=function(){this.__position=0},e.prototype.back=function(){0<this.__position&&--this.__position},e.prototype.hasNext=function(){return this.__position<this.__input_length},e.prototype.next=function(){var t=null;return this.hasNext()&&(t=this.__input.charAt(this.__position),this.__position+=1),t},e.prototype.peek=function(t){var e=null;return t=t||0,e=0<=(t+=this.__position)&&t<this.__input_length?this.__input.charAt(t):e},e.prototype.__match=function(t,e){t.lastIndex=e;var i=t.exec(this.__input);return!i||n&&t.sticky||i.index!==e&&(i=null),i},e.prototype.test=function(t,e){return e=e||0,0<=(e+=this.__position)&&e<this.__input_length&&!!this.__match(t,e)},e.prototype.testChar=function(t,e){e=this.peek(e);return t.lastIndex=0,null!==e&&t.test(e)},e.prototype.match=function(t){t=this.__match(t,this.__position);return t?this.__position+=t[0].length:t=null,t},e.prototype.read=function(t,e,i){var n,u="";return t&&(n=this.match(t))&&(u+=n[0]),!e||!n&&t||(u+=this.readUntil(e,i)),u},e.prototype.readUntil=function(t,e){var i=this.__position,t=(t.lastIndex=this.__position,t.exec(this.__input));return t?(i=t.index,e&&(i+=t[0].length)):i=this.__input_length,e=this.__input.substring(this.__position,i),this.__position=i,e},e.prototype.readUntilAfter=function(t){return this.readUntil(t,!0)},e.prototype.get_regexp=function(t,e){var i=null,e=e&&n?"y":"g";return"string"==typeof t&&""!==t?i=new RegExp(t,e):t&&(i=new RegExp(t.source,e)),i},e.prototype.get_literal_regexp=function(t){return RegExp(t.replace(/[-\/\\^$*+?.()|[\]{}]/g,"\\$&"))},e.prototype.peekUntilAfter=function(t){var e=this.__position,t=this.readUntilAfter(t);return this.__position=e,t},e.prototype.lookBack=function(t){var e=this.__position-1;return e>=t.length&&this.__input.substring(e-t.length,e).toLowerCase()===t},t.exports.InputScanner=e},function(t,e,i){function n(t,e){this._input=new u(t),this._options=e||{},this.__tokens=null,this._patterns={},this._patterns.whitespace=new a(this._input)}var u=i(8).InputScanner,_=i(3).Token,s=i(10).TokenStream,a=i(11).WhitespacePattern,o={START:"TK_START",RAW:"TK_RAW",EOF:"TK_EOF"};n.prototype.tokenize=function(){this._input.restart(),this.__tokens=new s,this._reset();for(var t,e=new _(o.START,""),i=null,n=[],u=new s;e.type!==o.EOF;){for(t=this._get_next_token(e,i);this._is_comment(t);)u.add(t),t=this._get_next_token(e,i);u.isEmpty()||(t.comments_before=u,u=new s),t.parent=i,this._is_opening(t)?(n.push(i),i=t):i&&this._is_closing(t,i)&&((t.opened=i).closed=t,i=n.pop(),t.parent=i),(t.previous=e).next=t,this.__tokens.add(t),e=t}return this.__tokens},n.prototype._is_first_token=function(){return this.__tokens.isEmpty()},n.prototype._reset=function(){},n.prototype._get_next_token=function(t,e){this._readWhitespace();var i=this._input.read(/.+/g);return i?this._create_token(o.RAW,i):this._create_token(o.EOF,"")},n.prototype._is_comment=function(t){return!1},n.prototype._is_opening=function(t){return!1},n.prototype._is_closing=function(t,e){return!1},n.prototype._create_token=function(t,e){return new _(t,e,this._patterns.whitespace.newline_count,this._patterns.whitespace.whitespace_before_token)},n.prototype._readWhitespace=function(){return this._patterns.whitespace.read()},t.exports.Tokenizer=n,t.exports.TOKEN=o},function(t){function e(t){this.__tokens=[],this.__tokens_length=this.__tokens.length,this.__position=0,this.__parent_token=t}e.prototype.restart=function(){this.__position=0},e.prototype.isEmpty=function(){return 0===this.__tokens_length},e.prototype.hasNext=function(){return this.__position<this.__tokens_length},e.prototype.next=function(){var t=null;return this.hasNext()&&(t=this.__tokens[this.__position],this.__position+=1),t},e.prototype.peek=function(t){var e=null;return t=t||0,e=0<=(t+=this.__position)&&t<this.__tokens_length?this.__tokens[t]:e},e.prototype.add=function(t){this.__parent_token&&(t.parent=this.__parent_token),this.__tokens.push(t),this.__tokens_length+=1},t.exports.TokenStream=e},function(t,e,i){var n=i(12).Pattern;function u(t,e){n.call(this,t,e),e?this._line_regexp=this._input.get_regexp(e._line_regexp):this.__set_whitespace_patterns("",""),this.newline_count=0,this.whitespace_before_token=""}(u.prototype=new n).__set_whitespace_patterns=function(t,e){this._match_pattern=this._input.get_regexp("["+(t+="\\t ")+(e+="\\n\\r")+"]+",!0),this._newline_regexp=this._input.get_regexp("\\r\\n|["+e+"]")},u.prototype.read=function(){this.newline_count=0,this.whitespace_before_token="";var t,e=this._input.read(this._match_pattern);return" "===e?this.whitespace_before_token=" ":e&&(t=this.__split(this._newline_regexp,e),this.newline_count=t.length-1,this.whitespace_before_token=t[this.newline_count]),e},u.prototype.matching=function(t,e){var i=this._create();return i.__set_whitespace_patterns(t,e),i._update(),i},u.prototype._create=function(){return new u(this._input,this)},u.prototype.__split=function(t,e){for(var i=t.lastIndex=0,n=[],u=t.exec(e);u;)n.push(e.substring(i,u.index)),i=u.index+u[0].length,u=t.exec(e);return i<e.length?n.push(e.substring(i,e.length)):n.push(""),n},t.exports.WhitespacePattern=u},function(t){function e(t,e){this._input=t,this._starting_pattern=null,this._match_pattern=null,this._until_pattern=null,this._until_after=!1,e&&(this._starting_pattern=this._input.get_regexp(e._starting_pattern,!0),this._match_pattern=this._input.get_regexp(e._match_pattern,!0),this._until_pattern=this._input.get_regexp(e._until_pattern),this._until_after=e._until_after)}e.prototype.read=function(){var t=this._input.read(this._starting_pattern);return this._starting_pattern&&!t||(t+=this._input.read(this._match_pattern,this._until_pattern,this._until_after)),t},e.prototype.read_match=function(){return this._input.match(this._match_pattern)},e.prototype.until_after=function(t){var e=this._create();return e._until_after=!0,e._until_pattern=this._input.get_regexp(t),e._update(),e},e.prototype.until=function(t){var e=this._create();return e._until_after=!1,e._until_pattern=this._input.get_regexp(t),e._update(),e},e.prototype.starting_with=function(t){var e=this._create();return e._starting_pattern=this._input.get_regexp(t,!0),e._update(),e},e.prototype.matching=function(t){var e=this._create();return e._match_pattern=this._input.get_regexp(t,!0),e._update(),e},e.prototype._create=function(){return new e(this._input,this)},e.prototype._update=function(){},t.exports.Pattern=e},function(t){function e(t,e){t="string"==typeof t?t:t.source,e="string"==typeof e?e:e.source,this.__directives_block_pattern=new RegExp(t+/ beautify( \w+[:]\w+)+ /.source+e,"g"),this.__directive_pattern=/ (\w+)[:](\w+)/g,this.__directives_end_ignore_pattern=new RegExp(t+/\sbeautify\signore:end\s/.source+e,"g")}e.prototype.get_directives=function(t){if(!t.match(this.__directives_block_pattern))return null;for(var e={},i=(this.__directive_pattern.lastIndex=0,this.__directive_pattern.exec(t));i;)e[i[1]]=i[2],i=this.__directive_pattern.exec(t);return e},e.prototype.readIgnored=function(t){return t.readUntilAfter(this.__directives_end_ignore_pattern)},t.exports.Directives=e},function(t,e,i){var n=i(12).Pattern,u={django:!1,erb:!1,handlebars:!1,php:!1,smarty:!1};function _(t,e){n.call(this,t,e),this.__template_pattern=null,this._disabled=Object.assign({},u),this._excluded=Object.assign({},u),e&&(this.__template_pattern=this._input.get_regexp(e.__template_pattern),this._excluded=Object.assign(this._excluded,e._excluded),this._disabled=Object.assign(this._disabled,e._disabled));e=new n(t);this.__patterns={handlebars_comment:e.starting_with(/{{!--/).until_after(/--}}/),handlebars_unescaped:e.starting_with(/{{{/).until_after(/}}}/),handlebars:e.starting_with(/{{/).until_after(/}}/),php:e.starting_with(/<\?(?:[= ]|php)/).until_after(/\?>/),erb:e.starting_with(/<%[^%]/).until_after(/[^%]%>/),django:e.starting_with(/{%/).until_after(/%}/),django_value:e.starting_with(/{{/).until_after(/}}/),django_comment:e.starting_with(/{#/).until_after(/#}/),smarty:e.starting_with(/{(?=[^}{\s\n])/).until_after(/[^\s\n]}/),smarty_comment:e.starting_with(/{\*/).until_after(/\*}/),smarty_literal:e.starting_with(/{literal}/).until_after(/{\/literal}/)}}(_.prototype=new n)._create=function(){return new _(this._input,this)},_.prototype._update=function(){this.__set_templated_pattern()},_.prototype.disable=function(t){var e=this._create();return e._disabled[t]=!0,e._update(),e},_.prototype.read_options=function(t){var e,i=this._create();for(e in u)i._disabled[e]=-1===t.templating.indexOf(e);return i._update(),i},_.prototype.exclude=function(t){var e=this._create();return e._excluded[t]=!0,e._update(),e},_.prototype.read=function(){for(var t="",t=this._match_pattern?this._input.read(this._starting_pattern):this._input.read(this._starting_pattern,this.__template_pattern),e=this._read_template();e;)this._match_pattern?e+=this._input.read(this._match_pattern):e+=this._input.readUntil(this.__template_pattern),t+=e,e=this._read_template();return this._until_after&&(t+=this._input.readUntilAfter(this._until_pattern)),t},_.prototype.__set_templated_pattern=function(){var t=[];this._disabled.php||t.push(this.__patterns.php._starting_pattern.source),this._disabled.handlebars||t.push(this.__patterns.handlebars._starting_pattern.source),this._disabled.erb||t.push(this.__patterns.erb._starting_pattern.source),this._disabled.django||(t.push(this.__patterns.django._starting_pattern.source),t.push(this.__patterns.django_value._starting_pattern.source),t.push(this.__patterns.django_comment._starting_pattern.source)),this._disabled.smarty||t.push(this.__patterns.smarty._starting_pattern.source),this._until_pattern&&t.push(this._until_pattern.source),this.__template_pattern=this._input.get_regexp("(?:"+t.join("|")+")")},_.prototype._read_template=function(){var t,e="",i=this._input.peek();return"<"===i?(t=this._input.peek(1),this._disabled.php||this._excluded.php||"?"!==t||(e=e||this.__patterns.php.read()),this._disabled.erb||this._excluded.erb||"%"!==t||(e=e||this.__patterns.erb.read())):"{"===i&&(this._disabled.handlebars||this._excluded.handlebars||(e=(e=(e=e||this.__patterns.handlebars_comment.read())||this.__patterns.handlebars_unescaped.read())||this.__patterns.handlebars.read()),this._disabled.django||(this._excluded.django||this._excluded.handlebars||(e=e||this.__patterns.django_value.read()),this._excluded.django||(e=(e=e||this.__patterns.django_comment.read())||this.__patterns.django.read())),this._disabled.smarty||this._disabled.django&&this._disabled.handlebars&&(e=(e=(e=e||this.__patterns.smarty_comment.read())||this.__patterns.smarty_literal.read())||this.__patterns.smarty.read())),e},t.exports.TemplatablePattern=_}],u={};var t=function t(e){var i=u[e];if(void 0!==i)return i.exports;i=u[e]={exports:{}};return n[e](i,i.exports,t),i.exports}(0);e=t}();var e,t=e;"function"==typeof define&&define.amd?define([],function(){return{js_beautify:t}}):"undefined"!=typeof exports?exports.js_beautify=t:"undefined"!=typeof window?window.js_beautify=t:"undefined"!=typeof global&&(global.js_beautify=t)}();
diff --git a/godel/js/compiler.js b/godel/js/compiler.js
new file mode 100644
index 0000000..65ebbcd
--- /dev/null
+++ b/godel/js/compiler.js
@@ -0,0 +1,163 @@
+class StringBuilder {
+  constructor() {
+    this.stringPieces = [];
+  }
+  add(s) {
+    this.stringPieces.push(s);
+  }
+  build() {
+    return this.stringPieces.join("");
+  }
+}
+
+const compileGoto = (gotoNode, stringBuilder) => {
+  stringBuilder.add(`this.followGoto("${gotoNode.label}");\nreturn;\n`);
+};
+
+const compileConditional = (conditionalNode, stringBuilder) => {
+  const { variable, goto: gotoNode } = conditionalNode;
+
+  stringBuilder.add(`if (this.get("${variable}") != 0) {\n`);
+  compileGoto(gotoNode, stringBuilder);
+  stringBuilder.add(`}\n`);
+};
+
+const compileAssignment = (assignmentNode, stringBuilder) => {
+  const { variable, expr } = assignmentNode;
+  if (expr.opr) {
+    if (expr.opr == "+") stringBuilder.add(`this.addOne("${variable}");\n`);
+    else if (expr.opr == "-")
+      stringBuilder.add(`this.subtractOne("${variable}");\n`);
+  } else {
+    stringBuilder.add("// noop \n");
+  }
+};
+
+const compileInstruction = (instruction, stringBuilder) => {
+  if (instruction.goto) {
+    compileGoto(instruction.goto, stringBuilder);
+    return; // ignore unreachable addition to instructionPointer
+  }
+
+  if (instruction.conditional) {
+    compileConditional(instruction.conditional, stringBuilder);
+  } else if (instruction.assignment) {
+    compileAssignment(instruction.assignment, stringBuilder);
+  }
+
+  stringBuilder.add("this.instructionPointer++;\n");
+};
+
+const compile = (ast) => {
+  const stringBuilder = new StringBuilder();
+  stringBuilder.add(`
+    class Program {
+      constructor() {
+        this.variables = new Map(); // variable -> natural number val
+        this.labelInstructions = new Map(); // labels to instruction indices
+        this.instructions = new Map(); // instruction indices to procedures
+
+        this.instructions.set(0, () => this.main());
+        this.instructionPointer = 0;
+        this.variables.set("Y", 0);
+
+        // -- program-specific state init --
+        this.finalInstruction = ${
+          ast.instructions.length + 1
+        }; // instruction of the implied "exit" label
+        this.labelInstructions.set("E", this.finalInstruction); // "E" is the exit label
+      }
+
+      get(variable) {
+        if (!this.variables.has(variable)) {
+          this.variables.set(variable, 0);
+        }
+        return this.variables.get(variable);
+      }
+
+      addOne(variable) {
+        const val = this.get(variable);
+        this.variables.set(variable, val + 1);
+      }
+
+      subtractOne(variable) {
+        const val = this.get(variable);
+        this.variables.set(variable, val - 1);
+      }
+
+      followGoto(label) {
+        this.instructionPointer = this.labelInstructions.get(label);
+      }
+
+      step() {
+        if (!this.isCompleted()) {
+          const procedure = this.instructions.get(this.instructionPointer);
+          procedure();
+ 
+        }
+        return this.instructionPointer;
+      }
+
+      isCompleted() {
+        return this.instructionPointer == this.finalInstruction;
+      }
+
+      getResult() {
+        return this.variables.get("Y");
+      }
+
+      run(maxIter=50000) {
+        let iter = 0;
+        while (!this.isCompleted() && (++iter) < maxIter) this.step();
+        if (iter < maxIter) {
+          return this.getResult();
+        }
+        throw new Error("Iterations went over maxIter=(" + maxIter + "). To resolve, please ask Turing how we can tell if a program will halt during compilation.");
+      }
+
+      main() {
+`);
+
+  stringBuilder.add("// -- build label -> instruction map --\n");
+  for (let i = 0; i < ast.instructions.length; i++) {
+    const line = ast.instructions[i];
+    const instructionIdx = i + 1;
+    if (line.label) {
+      stringBuilder.add(
+        `this.instructions.set(${instructionIdx}, () => this.${line.label}());\n`,
+      );
+      stringBuilder.add(
+        `this.labelInstructions.set("${line.label}", ${instructionIdx});\n`,
+      );
+    }
+  }
+
+  stringBuilder.add("// -- compiled instructions --\n");
+  for (let i = 0; i < ast.instructions.length; i++) {
+    let instruction = ast.instructions[i];
+    const instructionIdx = i + 1;
+    if (instruction.label) {
+      stringBuilder.add(
+        `  this.followGoto("${instruction.label}");\n}\n\n${instruction.label}() {\n`,
+      );
+      stringBuilder.add(`this.instructionPointer = ${instructionIdx};\n`);
+      instruction = instruction.instruction;
+    }
+
+    compileInstruction(instruction, stringBuilder);
+  }
+
+  stringBuilder.add(`  }\n}\n`);
+  stringBuilder.add("// -- \n");
+  stringBuilder.add("const program = new Program();\n\n");
+  stringBuilder.add("// set the initial Snapshot here\n");
+  stringBuilder.add('// program.variables.set("X1", 2);\n\n');
+  stringBuilder.add(
+    "program.run(50_000); // 50_000 is the max iterations before throwing an exception\n",
+  );
+
+  return js_beautify(stringBuilder.build(), {
+    indent_size: 2,
+    wrap_line_length: 120,
+  });
+};
diff --git a/godel/js/main.js b/godel/js/main.js
index 000ce7a..bd36ef9 100644
--- a/godel/js/main.js
+++ b/godel/js/main.js
@@ -1,5 +1,121 @@
-const MESSAGES = {};
+const MESSAGES = {
+  COMPILE: "COMPILE",
+  COMPILE_RESULT: "COMPILE_RESULT",
+  EVAL: "EVAL",
+  EVAL_STATUS: "EVAL_RESULT",
+};
 
-// -- the "real" code
+// -- the "real" code --
 
 const state = new Observable();
+
+const prepareSource = (text) => text.replaceAll(/\/\/.*/g, "").trim();
+
+const main = () => {
+  let program;
+
+  state.subscribe((msg) => {
+    if (msg.type == MESSAGES.COMPILE) {
+      const { value } = msg;
+      const source = prepareSource(value);
+      try {
+        const ast = parser.parse(source);
+        const program = compile(ast);
+
+        state.notify({
+          type: MESSAGES.COMPILE_RESULT,
+          value: program,
+        });
+      } catch (e) {
+        state.notify({
+          type: MESSAGES.COMPILE_RESULT,
+          error: e.toString(),
+        });
+      }
+    }
+    if (msg.type == MESSAGES.EVAL) {
+      const source = compiledEditorEl.getValue();
+      try {
+        const result = eval(source);
+        state.notify({
+          type: MESSAGES.EVAL_RESULT,
+          value: result,
+        });
+      } catch (e) {
+        state.notify({
+          type: MESSAGES.EVAL_RESULT,
+          error: e.toString(),
+        });
+      }
+    }
+  });
+};
+main();
+
+// -- a bit of some hacky ui code --
+
+const instructionsEl = document.getElementById("instructions");
+const instructionsEditorEl = CodeMirror.fromTextArea(instructionsEl, {
+  lineNumbers: true,
+});
+
+const compileButton = document.getElementById("compile");
+const evalButton = document.getElementById("eval");
+const evalStatusEl = document.getElementById("eval_status");
+const compileStatusEl = document.getElementById("compile_status");
+const compiledEl = document.getElementById("compiled");
+const compiledEditorEl = CodeMirror.fromTextArea(compiledEl, {
+  lineNumbers: true,
+});
+state.subscribe((msg) => {
+  if (msg.type == MESSAGES.COMPILE_RESULT) {
+    evalStatusEl.classList.remove("error");
+    evalStatusEl.classList.remove("success");
+    evalStatusEl.innerHTML = "";
+
+    if (typeof msg.value !== "undefined") {
+      compiledEditorEl.setValue(msg.value);
+
+      compileStatusEl.classList.add("success");
+      compileStatusEl.classList.remove("error");
+      compileStatusEl.innerHTML = `Successful compile at ${new Date().toLocaleString()}!`;
+    } else if (msg.error) {
+      compiledEditorEl.setValue("");
+
+      compileStatusEl.classList.remove("success");
+      compileStatusEl.classList.add("error");
+      compileStatusEl.innerHTML = msg.error;
+    }
+  }
+});
+state.subscribe((msg) => {
+  if (msg.type == MESSAGES.EVAL_RESULT) {
+    if (typeof msg.value !== "undefined") {
+      evalStatusEl.classList.add("success");
+      evalStatusEl.classList.remove("error");
+      evalStatusEl.innerHTML = `Result: ${msg.value}`;
+    } else if (msg.error) {
+      evalStatusEl.classList.remove("success");
+      evalStatusEl.classList.add("error");
+      evalStatusEl.innerHTML = msg.error;
+    }
+  }
+});
+
+const urlParams = new URLSearchParams(window.location.search);
+if (urlParams.get("instructions")) {
+  editorEl.setValue(atob(urlParams.get("instructions")));
+}
+
+compileButton.addEventListener("click", () => {
+  state.notify({
+    type: MESSAGES.COMPILE,
+    value: instructionsEditorEl.getValue(),
+  });
+});
+
+evalButton.addEventListener("click", () => {
+  state.notify({
+    type: MESSAGES.EVAL,
+  });
+});
diff --git a/godel/parser.js b/godel/js/parser.js
index 5fba64e..c582a28 100644
--- a/godel/parser.js
+++ b/godel/js/parser.js
@@ -1,4 +1,4 @@
-module.exports = /*
+parser = /*
  * Generated by PEG.js 0.10.0.
  *
  * http://pegjs.org/
@@ -141,72 +141,83 @@ module.exports = /*
         peg$startRuleFunctions = { Program: peg$parseProgram },
         peg$startRuleFunction  = peg$parseProgram,
 
-        peg$c0 = function(instructions) {
-          return { instructions: instructions };
+        peg$c0 = /^[\n]/,
+        peg$c1 = peg$classExpectation(["\n"], false, false),
+        peg$c2 = function(lines) {
+          return { instructions: lines.filter((line) => typeof line !== "string" || line.trim() != "") };
         },
-        peg$c1 = function(instruction) {
+        peg$c3 = function(instruction) {
           return instruction;
         },
-        peg$c2 = function(label, instruction) {
+        peg$c4 = function(label, instruction) {
           return { label, instruction };
         },
-        peg$c3 = "[",
-        peg$c4 = peg$literalExpectation("[", false),
-        peg$c5 = "]",
-        peg$c6 = peg$literalExpectation("]", false),
-        peg$c7 = function(label) {
+        peg$c5 = "[",
+        peg$c6 = peg$literalExpectation("[", false),
+        peg$c7 = "]",
+        peg$c8 = peg$literalExpectation("]", false),
+        peg$c9 = function(label) {
           return label;
         },
-        peg$c8 = function(conditional) { return { conditional }; },
-        peg$c9 = function(assignment) { return { assignment }; },
-        peg$c10 = "IF",
-        peg$c11 = peg$literalExpectation("IF", false),
-        peg$c12 = "!=",
-        peg$c13 = peg$literalExpectation("!=", false),
-        peg$c14 = "0",
-        peg$c15 = peg$literalExpectation("0", false),
-        peg$c16 = "GOTO",
-        peg$c17 = peg$literalExpectation("GOTO", false),
-        peg$c18 = function(variable, label) {
-          return { variable, label };
+        peg$c10 = function(conditional) { return { conditional }; },
+        peg$c11 = function(assignment) { return { assignment }; },
+        peg$c12 = function(goto) { return { goto }; },
+        peg$c13 = function(label) {
+          return { label };
         },
-        peg$c19 = "<-",
-        peg$c20 = peg$literalExpectation("<-", false),
-        peg$c21 = function(variable, expr) {
+        peg$c14 = "IF",
+        peg$c15 = peg$literalExpectation("IF", false),
+        peg$c16 = "!=",
+        peg$c17 = peg$literalExpectation("!=", false),
+        peg$c18 = "0",
+        peg$c19 = peg$literalExpectation("0", false),
+        peg$c20 = function(variable, goto) {
+          return { variable, goto };
+        },
+        peg$c21 = "<-",
+        peg$c22 = peg$literalExpectation("<-", false),
+        peg$c23 = function(variable, expr) {
           if (expr.left != variable) {
             error("left hand variable must match right hand");
           }
           return { variable, expr };
         },
-        peg$c22 = "1",
-        peg$c23 = peg$literalExpectation("1", false),
-        peg$c24 = function(left, opr) {
+        peg$c24 = "1",
+        peg$c25 = peg$literalExpectation("1", false),
+        peg$c26 = function(left, opr) {
           return { left, opr };
         },
-        peg$c25 = "Y",
-        peg$c26 = peg$literalExpectation("Y", false),
-        peg$c27 = function(symbol) { return symbol },
-        peg$c28 = "X",
-        peg$c29 = peg$literalExpectation("X", false),
-        peg$c30 = "Z",
-        peg$c31 = peg$literalExpectation("Z", false),
-        peg$c32 = function(symbol, ind) {
+        peg$c27 = function(left) {
+          return { left };
+        },
+        peg$c28 = "Y",
+        peg$c29 = peg$literalExpectation("Y", false),
+        peg$c30 = function(symbol) { return symbol },
+        peg$c31 = "X",
+        peg$c32 = peg$literalExpectation("X", false),
+        peg$c33 = "Z",
+        peg$c34 = peg$literalExpectation("Z", false),
+        peg$c35 = function(symbol, ind) {
           return symbol + ind;
         },
-        peg$c33 = "+",
-        peg$c34 = peg$literalExpectation("+", false),
-        peg$c35 = "-",
-        peg$c36 = peg$literalExpectation("-", false),
-        peg$c37 = /^[A-E]/,
-        peg$c38 = peg$classExpectation([["A", "E"]], false, false),
-        peg$c39 = peg$otherExpectation("integer"),
-        peg$c40 = /^[0-9]/,
-        peg$c41 = peg$classExpectation([["0", "9"]], false, false),
-        peg$c42 = function() { return parseInt(text(), 10); },
-        peg$c43 = peg$otherExpectation("whitespace"),
-        peg$c44 = /^[ \t\n\r]/,
-        peg$c45 = peg$classExpectation([" ", "\t", "\n", "\r"], false, false),
-        peg$c46 = function() {  },
+        peg$c36 = "GOTO",
+        peg$c37 = peg$literalExpectation("GOTO", false),
+        peg$c38 = "+",
+        peg$c39 = peg$literalExpectation("+", false),
+        peg$c40 = "-",
+        peg$c41 = peg$literalExpectation("-", false),
+        peg$c42 = /^[A-E]/,
+        peg$c43 = peg$classExpectation([["A", "E"]], false, false),
+        peg$c44 = "E",
+        peg$c45 = peg$literalExpectation("E", false),
+        peg$c46 = peg$otherExpectation("integer"),
+        peg$c47 = /^[0-9]/,
+        peg$c48 = peg$classExpectation([["0", "9"]], false, false),
+        peg$c49 = function() { return parseInt(text(), 10); },
+        peg$c50 = peg$otherExpectation("whitespace"),
+        peg$c51 = /^[ \t]/,
+        peg$c52 = peg$classExpectation([" ", "\t"], false, false),
+        peg$c53 = function() {  },
 
         peg$currPos          = 0,
         peg$savedPos         = 0,
@@ -350,13 +361,37 @@ module.exports = /*
       s0 = peg$currPos;
       s1 = [];
       s2 = peg$parseLine();
+      if (s2 === peg$FAILED) {
+        s2 = peg$parse_();
+        if (s2 === peg$FAILED) {
+          if (peg$c0.test(input.charAt(peg$currPos))) {
+            s2 = input.charAt(peg$currPos);
+            peg$currPos++;
+          } else {
+            s2 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c1); }
+          }
+        }
+      }
       while (s2 !== peg$FAILED) {
         s1.push(s2);
         s2 = peg$parseLine();
+        if (s2 === peg$FAILED) {
+          s2 = peg$parse_();
+          if (s2 === peg$FAILED) {
+            if (peg$c0.test(input.charAt(peg$currPos))) {
+              s2 = input.charAt(peg$currPos);
+              peg$currPos++;
+            } else {
+              s2 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c1); }
+            }
+          }
+        }
       }
       if (s1 !== peg$FAILED) {
         peg$savedPos = s0;
-        s1 = peg$c0(s1);
+        s1 = peg$c2(s1);
       }
       s0 = s1;
 
@@ -364,19 +399,46 @@ module.exports = /*
     }
 
     function peg$parseLine() {
-      var s0, s1, s2;
+      var s0, s1, s2, s3, s4;
 
       s0 = peg$currPos;
-      s1 = peg$parseLabeledInstruction();
+      s1 = peg$parse_();
       if (s1 === peg$FAILED) {
-        s1 = peg$parseInstruction();
+        s1 = null;
       }
       if (s1 !== peg$FAILED) {
-        s2 = peg$parse_();
+        s2 = peg$parseLabeledInstruction();
+        if (s2 === peg$FAILED) {
+          s2 = peg$parseInstruction();
+        }
         if (s2 !== peg$FAILED) {
-          peg$savedPos = s0;
-          s1 = peg$c1(s1);
-          s0 = s1;
+          s3 = peg$parse_();
+          if (s3 === peg$FAILED) {
+            s3 = null;
+          }
+          if (s3 !== peg$FAILED) {
+            if (peg$c0.test(input.charAt(peg$currPos))) {
+              s4 = input.charAt(peg$currPos);
+              peg$currPos++;
+            } else {
+              s4 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c1); }
+            }
+            if (s4 === peg$FAILED) {
+              s4 = null;
+            }
+            if (s4 !== peg$FAILED) {
+              peg$savedPos = s0;
+              s1 = peg$c3(s2);
+              s0 = s1;
+            } else {
+              peg$currPos = s0;
+              s0 = peg$FAILED;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$FAILED;
+          }
         } else {
           peg$currPos = s0;
           s0 = peg$FAILED;
@@ -400,7 +462,7 @@ module.exports = /*
           s3 = peg$parseInstruction();
           if (s3 !== peg$FAILED) {
             peg$savedPos = s0;
-            s1 = peg$c2(s1, s3);
+            s1 = peg$c4(s1, s3);
             s0 = s1;
           } else {
             peg$currPos = s0;
@@ -423,11 +485,11 @@ module.exports = /*
 
       s0 = peg$currPos;
       if (input.charCodeAt(peg$currPos) === 91) {
-        s1 = peg$c3;
+        s1 = peg$c5;
         peg$currPos++;
       } else {
         s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c4); }
+        if (peg$silentFails === 0) { peg$fail(peg$c6); }
       }
       if (s1 !== peg$FAILED) {
         s2 = peg$parse_();
@@ -443,15 +505,15 @@ module.exports = /*
             }
             if (s4 !== peg$FAILED) {
               if (input.charCodeAt(peg$currPos) === 93) {
-                s5 = peg$c5;
+                s5 = peg$c7;
                 peg$currPos++;
               } else {
                 s5 = peg$FAILED;
-                if (peg$silentFails === 0) { peg$fail(peg$c6); }
+                if (peg$silentFails === 0) { peg$fail(peg$c8); }
               }
               if (s5 !== peg$FAILED) {
                 peg$savedPos = s0;
-                s1 = peg$c7(s3);
+                s1 = peg$c9(s3);
                 s0 = s1;
               } else {
                 peg$currPos = s0;
@@ -484,7 +546,7 @@ module.exports = /*
       s1 = peg$parseConditional();
       if (s1 !== peg$FAILED) {
         peg$savedPos = s0;
-        s1 = peg$c8(s1);
+        s1 = peg$c10(s1);
       }
       s0 = s1;
       if (s0 === peg$FAILED) {
@@ -492,24 +554,62 @@ module.exports = /*
         s1 = peg$parseAssignment();
         if (s1 !== peg$FAILED) {
           peg$savedPos = s0;
-          s1 = peg$c9(s1);
+          s1 = peg$c11(s1);
         }
         s0 = s1;
+        if (s0 === peg$FAILED) {
+          s0 = peg$currPos;
+          s1 = peg$parseGoto();
+          if (s1 !== peg$FAILED) {
+            peg$savedPos = s0;
+            s1 = peg$c12(s1);
+          }
+          s0 = s1;
+        }
+      }
+
+      return s0;
+    }
+
+    function peg$parseGoto() {
+      var s0, s1, s2, s3;
+
+      s0 = peg$currPos;
+      s1 = peg$parseGOTO();
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parse_();
+        if (s2 !== peg$FAILED) {
+          s3 = peg$parseLABEL_V();
+          if (s3 !== peg$FAILED) {
+            peg$savedPos = s0;
+            s1 = peg$c13(s3);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$FAILED;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$FAILED;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$FAILED;
       }
 
       return s0;
     }
 
     function peg$parseConditional() {
-      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11;
+      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9;
 
       s0 = peg$currPos;
-      if (input.substr(peg$currPos, 2) === peg$c10) {
-        s1 = peg$c10;
+      if (input.substr(peg$currPos, 2) === peg$c14) {
+        s1 = peg$c14;
         peg$currPos += 2;
       } else {
         s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c11); }
+        if (peg$silentFails === 0) { peg$fail(peg$c15); }
       }
       if (s1 !== peg$FAILED) {
         s2 = peg$parse_();
@@ -517,50 +617,38 @@ module.exports = /*
           s3 = peg$parseVAR();
           if (s3 !== peg$FAILED) {
             s4 = peg$parse_();
+            if (s4 === peg$FAILED) {
+              s4 = null;
+            }
             if (s4 !== peg$FAILED) {
-              if (input.substr(peg$currPos, 2) === peg$c12) {
-                s5 = peg$c12;
+              if (input.substr(peg$currPos, 2) === peg$c16) {
+                s5 = peg$c16;
                 peg$currPos += 2;
               } else {
                 s5 = peg$FAILED;
-                if (peg$silentFails === 0) { peg$fail(peg$c13); }
+                if (peg$silentFails === 0) { peg$fail(peg$c17); }
               }
               if (s5 !== peg$FAILED) {
                 s6 = peg$parse_();
+                if (s6 === peg$FAILED) {
+                  s6 = null;
+                }
                 if (s6 !== peg$FAILED) {
                   if (input.charCodeAt(peg$currPos) === 48) {
-                    s7 = peg$c14;
+                    s7 = peg$c18;
                     peg$currPos++;
                   } else {
                     s7 = peg$FAILED;
-                    if (peg$silentFails === 0) { peg$fail(peg$c15); }
+                    if (peg$silentFails === 0) { peg$fail(peg$c19); }
                   }
                   if (s7 !== peg$FAILED) {
                     s8 = peg$parse_();
                     if (s8 !== peg$FAILED) {
-                      if (input.substr(peg$currPos, 4) === peg$c16) {
-                        s9 = peg$c16;
-                        peg$currPos += 4;
-                      } else {
-                        s9 = peg$FAILED;
-                        if (peg$silentFails === 0) { peg$fail(peg$c17); }
-                      }
+                      s9 = peg$parseGoto();
                       if (s9 !== peg$FAILED) {
-                        s10 = peg$parse_();
-                        if (s10 !== peg$FAILED) {
-                          s11 = peg$parseLabel();
-                          if (s11 !== peg$FAILED) {
-                            peg$savedPos = s0;
-                            s1 = peg$c18(s3, s11);
-                            s0 = s1;
-                          } else {
-                            peg$currPos = s0;
-                            s0 = peg$FAILED;
-                          }
-                        } else {
-                          peg$currPos = s0;
-                          s0 = peg$FAILED;
-                        }
+                        peg$savedPos = s0;
+                        s1 = peg$c20(s3, s9);
+                        s0 = s1;
                       } else {
                         peg$currPos = s0;
                         s0 = peg$FAILED;
@@ -609,12 +697,12 @@ module.exports = /*
       if (s1 !== peg$FAILED) {
         s2 = peg$parse_();
         if (s2 !== peg$FAILED) {
-          if (input.substr(peg$currPos, 2) === peg$c19) {
-            s3 = peg$c19;
+          if (input.substr(peg$currPos, 2) === peg$c21) {
+            s3 = peg$c21;
             peg$currPos += 2;
           } else {
             s3 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c20); }
+            if (peg$silentFails === 0) { peg$fail(peg$c22); }
           }
           if (s3 !== peg$FAILED) {
             s4 = peg$parse_();
@@ -622,7 +710,7 @@ module.exports = /*
               s5 = peg$parseExpression();
               if (s5 !== peg$FAILED) {
                 peg$savedPos = s0;
-                s1 = peg$c21(s1, s5);
+                s1 = peg$c23(s1, s5);
                 s0 = s1;
               } else {
                 peg$currPos = s0;
@@ -661,15 +749,15 @@ module.exports = /*
             s4 = peg$parse_();
             if (s4 !== peg$FAILED) {
               if (input.charCodeAt(peg$currPos) === 49) {
-                s5 = peg$c22;
+                s5 = peg$c24;
                 peg$currPos++;
               } else {
                 s5 = peg$FAILED;
-                if (peg$silentFails === 0) { peg$fail(peg$c23); }
+                if (peg$silentFails === 0) { peg$fail(peg$c25); }
               }
               if (s5 !== peg$FAILED) {
                 peg$savedPos = s0;
-                s1 = peg$c24(s1, s3);
+                s1 = peg$c26(s1, s3);
                 s0 = s1;
               } else {
                 peg$currPos = s0;
@@ -691,6 +779,15 @@ module.exports = /*
         peg$currPos = s0;
         s0 = peg$FAILED;
       }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = peg$parseVAR();
+        if (s1 !== peg$FAILED) {
+          peg$savedPos = s0;
+          s1 = peg$c27(s1);
+        }
+        s0 = s1;
+      }
 
       return s0;
     }
@@ -700,33 +797,33 @@ module.exports = /*
 
       s0 = peg$currPos;
       if (input.charCodeAt(peg$currPos) === 89) {
-        s1 = peg$c25;
+        s1 = peg$c28;
         peg$currPos++;
       } else {
         s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c26); }
+        if (peg$silentFails === 0) { peg$fail(peg$c29); }
       }
       if (s1 !== peg$FAILED) {
         peg$savedPos = s0;
-        s1 = peg$c27(s1);
+        s1 = peg$c30(s1);
       }
       s0 = s1;
       if (s0 === peg$FAILED) {
         s0 = peg$currPos;
         if (input.charCodeAt(peg$currPos) === 88) {
-          s1 = peg$c28;
+          s1 = peg$c31;
           peg$currPos++;
         } else {
           s1 = peg$FAILED;
-          if (peg$silentFails === 0) { peg$fail(peg$c29); }
+          if (peg$silentFails === 0) { peg$fail(peg$c32); }
         }
         if (s1 === peg$FAILED) {
           if (input.charCodeAt(peg$currPos) === 90) {
-            s1 = peg$c30;
+            s1 = peg$c33;
             peg$currPos++;
           } else {
             s1 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c31); }
+            if (peg$silentFails === 0) { peg$fail(peg$c34); }
           }
         }
         if (s1 !== peg$FAILED) {
@@ -742,7 +839,7 @@ module.exports = /*
           }
           if (s2 !== peg$FAILED) {
             peg$savedPos = s0;
-            s1 = peg$c32(s1, s2);
+            s1 = peg$c35(s1, s2);
             s0 = s1;
           } else {
             peg$currPos = s0;
@@ -757,23 +854,37 @@ module.exports = /*
       return s0;
     }
 
+    function peg$parseGOTO() {
+      var s0;
+
+      if (input.substr(peg$currPos, 4) === peg$c36) {
+        s0 = peg$c36;
+        peg$currPos += 4;
+      } else {
+        s0 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c37); }
+      }
+
+      return s0;
+    }
+
     function peg$parseOPERATION() {
       var s0;
 
       if (input.charCodeAt(peg$currPos) === 43) {
-        s0 = peg$c33;
+        s0 = peg$c38;
         peg$currPos++;
       } else {
         s0 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c34); }
+        if (peg$silentFails === 0) { peg$fail(peg$c39); }
       }
       if (s0 === peg$FAILED) {
         if (input.charCodeAt(peg$currPos) === 45) {
-          s0 = peg$c35;
+          s0 = peg$c40;
           peg$currPos++;
         } else {
           s0 = peg$FAILED;
-          if (peg$silentFails === 0) { peg$fail(peg$c36); }
+          if (peg$silentFails === 0) { peg$fail(peg$c41); }
         }
       }
 
@@ -784,85 +895,99 @@ module.exports = /*
       var s0, s1, s2, s3;
 
       s0 = peg$currPos;
-      if (peg$c37.test(input.charAt(peg$currPos))) {
-        s1 = input.charAt(peg$currPos);
-        peg$currPos++;
-      } else {
-        s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c38); }
-      }
+      s1 = peg$parseEND_LABEL();
       if (s1 !== peg$FAILED) {
-        s2 = [];
-        s3 = peg$parseInteger();
-        if (s3 !== peg$FAILED) {
-          while (s3 !== peg$FAILED) {
-            s2.push(s3);
-            s3 = peg$parseInteger();
-          }
+        peg$savedPos = s0;
+        s1 = peg$c30(s1);
+      }
+      s0 = s1;
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        if (peg$c42.test(input.charAt(peg$currPos))) {
+          s1 = input.charAt(peg$currPos);
+          peg$currPos++;
         } else {
-          s2 = peg$FAILED;
+          s1 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c43); }
         }
-        if (s2 !== peg$FAILED) {
-          peg$savedPos = s0;
-          s1 = peg$c32(s1, s2);
-          s0 = s1;
+        if (s1 !== peg$FAILED) {
+          s2 = [];
+          s3 = peg$parseInteger();
+          if (s3 !== peg$FAILED) {
+            while (s3 !== peg$FAILED) {
+              s2.push(s3);
+              s3 = peg$parseInteger();
+            }
+          } else {
+            s2 = peg$FAILED;
+          }
+          if (s2 !== peg$FAILED) {
+            peg$savedPos = s0;
+            s1 = peg$c35(s1, s2);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$FAILED;
+          }
         } else {
           peg$currPos = s0;
           s0 = peg$FAILED;
         }
+      }
+
+      return s0;
+    }
+
+    function peg$parseEND_LABEL() {
+      var s0;
+
+      if (input.charCodeAt(peg$currPos) === 69) {
+        s0 = peg$c44;
+        peg$currPos++;
       } else {
-        peg$currPos = s0;
         s0 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c45); }
       }
 
       return s0;
     }
 
     function peg$parseInteger() {
-      var s0, s1, s2, s3;
+      var s0, s1, s2;
 
       peg$silentFails++;
       s0 = peg$currPos;
-      s1 = peg$parse_();
-      if (s1 !== peg$FAILED) {
-        s2 = [];
-        if (peg$c40.test(input.charAt(peg$currPos))) {
-          s3 = input.charAt(peg$currPos);
-          peg$currPos++;
-        } else {
-          s3 = peg$FAILED;
-          if (peg$silentFails === 0) { peg$fail(peg$c41); }
-        }
-        if (s3 !== peg$FAILED) {
-          while (s3 !== peg$FAILED) {
-            s2.push(s3);
-            if (peg$c40.test(input.charAt(peg$currPos))) {
-              s3 = input.charAt(peg$currPos);
-              peg$currPos++;
-            } else {
-              s3 = peg$FAILED;
-              if (peg$silentFails === 0) { peg$fail(peg$c41); }
-            }
+      s1 = [];
+      if (peg$c47.test(input.charAt(peg$currPos))) {
+        s2 = input.charAt(peg$currPos);
+        peg$currPos++;
+      } else {
+        s2 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c48); }
+      }
+      if (s2 !== peg$FAILED) {
+        while (s2 !== peg$FAILED) {
+          s1.push(s2);
+          if (peg$c47.test(input.charAt(peg$currPos))) {
+            s2 = input.charAt(peg$currPos);
+            peg$currPos++;
+          } else {
+            s2 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c48); }
           }
-        } else {
-          s2 = peg$FAILED;
-        }
-        if (s2 !== peg$FAILED) {
-          peg$savedPos = s0;
-          s1 = peg$c42();
-          s0 = s1;
-        } else {
-          peg$currPos = s0;
-          s0 = peg$FAILED;
         }
       } else {
-        peg$currPos = s0;
-        s0 = peg$FAILED;
+        s1 = peg$FAILED;
+      }
+      if (s1 !== peg$FAILED) {
+        peg$savedPos = s0;
+        s1 = peg$c49();
       }
+      s0 = s1;
       peg$silentFails--;
       if (s0 === peg$FAILED) {
         s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c39); }
+        if (peg$silentFails === 0) { peg$fail(peg$c46); }
       }
 
       return s0;
@@ -874,32 +999,36 @@ module.exports = /*
       peg$silentFails++;
       s0 = peg$currPos;
       s1 = [];
-      if (peg$c44.test(input.charAt(peg$currPos))) {
+      if (peg$c51.test(input.charAt(peg$currPos))) {
         s2 = input.charAt(peg$currPos);
         peg$currPos++;
       } else {
         s2 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c45); }
+        if (peg$silentFails === 0) { peg$fail(peg$c52); }
       }
-      while (s2 !== peg$FAILED) {
-        s1.push(s2);
-        if (peg$c44.test(input.charAt(peg$currPos))) {
-          s2 = input.charAt(peg$currPos);
-          peg$currPos++;
-        } else {
-          s2 = peg$FAILED;
-          if (peg$silentFails === 0) { peg$fail(peg$c45); }
+      if (s2 !== peg$FAILED) {
+        while (s2 !== peg$FAILED) {
+          s1.push(s2);
+          if (peg$c51.test(input.charAt(peg$currPos))) {
+            s2 = input.charAt(peg$currPos);
+            peg$currPos++;
+          } else {
+            s2 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c52); }
+          }
         }
+      } else {
+        s1 = peg$FAILED;
       }
       if (s1 !== peg$FAILED) {
         peg$savedPos = s0;
-        s1 = peg$c46();
+        s1 = peg$c53();
       }
       s0 = s1;
       peg$silentFails--;
       if (s0 === peg$FAILED) {
         s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c43); }
+        if (peg$silentFails === 0) { peg$fail(peg$c50); }
       }
 
       return s0;
author	Lizzy Hunt <lizzy.hunt@usu.edu>	2023-11-16 19:06:35 -0700
committer	Lizzy Hunt <lizzy.hunt@usu.edu>	2023-11-16 19:06:35 -0700
commit	56bf4878236f5464ba19d27b4342fa2a3a99eac6 (patch)
tree	5ae8713f19fb9edb67fb6f53cb768501f594fa5e
parent	ec2b924fdac0b609c2bda4e857113674965732af (diff)
download	simponic.xyz-56bf4878236f5464ba19d27b4342fa2a3a99eac6.tar.gz simponic.xyz-56bf4878236f5464ba19d27b4342fa2a3a99eac6.zip