X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=to-be-integrated%2Fthird-party%2Fcodemirror-3.15%2Fmode%2Ferlang%2Ferlang.js;fp=to-be-integrated%2Fthird-party%2Fcodemirror-3.15%2Fmode%2Ferlang%2Ferlang.js;h=79e0434d1fcc0213a84f7fd4cba668b5364f1b82;hb=31540dd504798e0aca69e10d8144fbedc5b16af8;hp=0000000000000000000000000000000000000000;hpb=937653fd70bbf7d95bcf870e7f2b46b4a8fec486;p=myslice.git

diff --git a/to-be-integrated/third-party/codemirror-3.15/mode/erlang/erlang.js b/to-be-integrated/third-party/codemirror-3.15/mode/erlang/erlang.js
new file mode 100644
index 00000000..79e0434d
--- /dev/null
+++ b/to-be-integrated/third-party/codemirror-3.15/mode/erlang/erlang.js
@@ -0,0 +1,464 @@
+// block; "begin", "case", "fun", "if", "receive", "try": closed by "end"
+// block internal; "after", "catch", "of"
+// guard; "when", closed by "->"
+// "->" opens a clause, closed by ";" or "."
+// "<<" opens a binary, closed by ">>"
+// "," appears in arglists, lists, tuples and terminates lines of code
+// "." resets indentation to 0
+// obsolete; "cond", "let", "query"
+
+CodeMirror.defineMIME("text/x-erlang", "erlang");
+
+CodeMirror.defineMode("erlang", function(cmCfg) {
+
+  function rval(state,stream,type) {
+    // distinguish between "." as terminator and record field operator
+    if (type == "record") {
+      state.context = "record";
+    }else{
+      state.context = false;
+    }
+
+    // remember last significant bit on last line for indenting
+    if (type != "whitespace" && type != "comment") {
+      state.lastToken = stream.current();
+    }
+    //     erlang             -> CodeMirror tag
+    switch (type) {
+      case "atom":        return "atom";
+      case "attribute":   return "attribute";
+      case "builtin":     return "builtin";
+      case "comment":     return "comment";
+      case "fun":         return "meta";
+      case "function":    return "tag";
+      case "guard":       return "property";
+      case "keyword":     return "keyword";
+      case "macro":       return "variable-2";
+      case "number":      return "number";
+      case "operator":    return "operator";
+      case "record":      return "bracket";
+      case "string":      return "string";
+      case "type":        return "def";
+      case "variable":    return "variable";
+      case "error":       return "error";
+      case "separator":   return null;
+      case "open_paren":  return null;
+      case "close_paren": return null;
+      default:            return null;
+    }
+  }
+
+  var typeWords = [
+    "-type", "-spec", "-export_type", "-opaque"];
+
+  var keywordWords = [
+    "after","begin","catch","case","cond","end","fun","if",
+    "let","of","query","receive","try","when"];
+
+  var separatorWords = [
+    "->",";",":",".",","];
+
+  var operatorWords = [
+    "and","andalso","band","bnot","bor","bsl","bsr","bxor",
+    "div","not","or","orelse","rem","xor"];
+
+  var symbolWords = [
+    "+","-","*","/",">",">=","<","=<","=:=","==","=/=","/=","||","<-"];
+
+  var openParenWords = [
+    "<<","(","[","{"];
+
+  var closeParenWords = [
+    "}","]",")",">>"];
+
+  var guardWords = [
+    "is_atom","is_binary","is_bitstring","is_boolean","is_float",
+    "is_function","is_integer","is_list","is_number","is_pid",
+    "is_port","is_record","is_reference","is_tuple",
+    "atom","binary","bitstring","boolean","function","integer","list",
+    "number","pid","port","record","reference","tuple"];
+
+  var bifWords = [
+    "abs","adler32","adler32_combine","alive","apply","atom_to_binary",
+    "atom_to_list","binary_to_atom","binary_to_existing_atom",
+    "binary_to_list","binary_to_term","bit_size","bitstring_to_list",
+    "byte_size","check_process_code","contact_binary","crc32",
+    "crc32_combine","date","decode_packet","delete_module",
+    "disconnect_node","element","erase","exit","float","float_to_list",
+    "garbage_collect","get","get_keys","group_leader","halt","hd",
+    "integer_to_list","internal_bif","iolist_size","iolist_to_binary",
+    "is_alive","is_atom","is_binary","is_bitstring","is_boolean",
+    "is_float","is_function","is_integer","is_list","is_number","is_pid",
+    "is_port","is_process_alive","is_record","is_reference","is_tuple",
+    "length","link","list_to_atom","list_to_binary","list_to_bitstring",
+    "list_to_existing_atom","list_to_float","list_to_integer",
+    "list_to_pid","list_to_tuple","load_module","make_ref","module_loaded",
+    "monitor_node","node","node_link","node_unlink","nodes","notalive",
+    "now","open_port","pid_to_list","port_close","port_command",
+    "port_connect","port_control","pre_loaded","process_flag",
+    "process_info","processes","purge_module","put","register",
+    "registered","round","self","setelement","size","spawn","spawn_link",
+    "spawn_monitor","spawn_opt","split_binary","statistics",
+    "term_to_binary","time","throw","tl","trunc","tuple_size",
+    "tuple_to_list","unlink","unregister","whereis"];
+
+  // ignored for indenting purposes
+  var ignoreWords = [
+    ",", ":", "catch", "after", "of", "cond", "let", "query"];
+
+
+  var smallRE      = /[a-z_]/;
+  var largeRE      = /[A-Z_]/;
+  var digitRE      = /[0-9]/;
+  var octitRE      = /[0-7]/;
+  var anumRE       = /[a-z_A-Z0-9]/;
+  var symbolRE     = /[\+\-\*\/<>=\|:]/;
+  var openParenRE  = /[<\(\[\{]/;
+  var closeParenRE = /[>\)\]\}]/;
+  var sepRE        = /[\->\.,:;]/;
+
+  function isMember(element,list) {
+    return (-1 < list.indexOf(element));
+  }
+
+  function isPrev(stream,string) {
+    var start = stream.start;
+    var len = string.length;
+    if (len <= start) {
+      var word = stream.string.slice(start-len,start);
+      return word == string;
+    }else{
+      return false;
+    }
+  }
+
+  function tokenize(stream, state) {
+    if (stream.eatSpace()) {
+      return rval(state,stream,"whitespace");
+    }
+
+    // attributes and type specs
+    if ((peekToken(state).token == "" || peekToken(state).token == ".") &&
+        stream.peek() == '-') {
+      stream.next();
+      if (stream.eat(smallRE) && stream.eatWhile(anumRE)) {
+        if (isMember(stream.current(),typeWords)) {
+          return rval(state,stream,"type");
+        }else{
+          return rval(state,stream,"attribute");
+        }
+      }
+      stream.backUp(1);
+    }
+
+    var ch = stream.next();
+
+    // comment
+    if (ch == '%') {
+      stream.skipToEnd();
+      return rval(state,stream,"comment");
+    }
+
+    // macro
+    if (ch == '?') {
+      stream.eatWhile(anumRE);
+      return rval(state,stream,"macro");
+    }
+
+    // record
+    if ( ch == "#") {
+      stream.eatWhile(anumRE);
+      return rval(state,stream,"record");
+    }
+
+    // char
+    if ( ch == "$") {
+      if (stream.next() == "\\") {
+        if (!stream.eatWhile(octitRE)) {
+          stream.next();
+        }
+      }
+      return rval(state,stream,"string");
+    }
+
+    // quoted atom
+    if (ch == '\'') {
+      if (singleQuote(stream)) {
+        return rval(state,stream,"atom");
+      }else{
+        return rval(state,stream,"error");
+      }
+    }
+
+    // string
+    if (ch == '"') {
+      if (doubleQuote(stream)) {
+        return rval(state,stream,"string");
+      }else{
+        return rval(state,stream,"error");
+      }
+    }
+
+    // variable
+    if (largeRE.test(ch)) {
+      stream.eatWhile(anumRE);
+      return rval(state,stream,"variable");
+    }
+
+    // atom/keyword/BIF/function
+    if (smallRE.test(ch)) {
+      stream.eatWhile(anumRE);
+
+      if (stream.peek() == "/") {
+        stream.next();
+        if (stream.eatWhile(digitRE)) {
+          return rval(state,stream,"fun");      // f/0 style fun
+        }else{
+          stream.backUp(1);
+          return rval(state,stream,"atom");
+        }
+      }
+
+      var w = stream.current();
+
+      if (isMember(w,keywordWords)) {
+        pushToken(state,stream);
+        return rval(state,stream,"keyword");
+      }
+      if (stream.peek() == "(") {
+        // 'put' and 'erlang:put' are bifs, 'foo:put' is not
+        if (isMember(w,bifWords) &&
+            (!isPrev(stream,":") || isPrev(stream,"erlang:"))) {
+          return rval(state,stream,"builtin");
+        }else{
+          return rval(state,stream,"function");
+        }
+      }
+      if (isMember(w,guardWords)) {
+        return rval(state,stream,"guard");
+      }
+      if (isMember(w,operatorWords)) {
+        return rval(state,stream,"operator");
+      }
+      if (stream.peek() == ":") {
+        if (w == "erlang") {
+          return rval(state,stream,"builtin");
+        } else {
+          return rval(state,stream,"function");
+        }
+      }
+      return rval(state,stream,"atom");
+    }
+
+    // number
+    if (digitRE.test(ch)) {
+      stream.eatWhile(digitRE);
+      if (stream.eat('#')) {
+        stream.eatWhile(digitRE);    // 16#10  style integer
+      } else {
+        if (stream.eat('.')) {       // float
+          stream.eatWhile(digitRE);
+        }
+        if (stream.eat(/[eE]/)) {
+          stream.eat(/[-+]/);        // float with exponent
+          stream.eatWhile(digitRE);
+        }
+      }
+      return rval(state,stream,"number");   // normal integer
+    }
+
+    // open parens
+    if (nongreedy(stream,openParenRE,openParenWords)) {
+      pushToken(state,stream);
+      return rval(state,stream,"open_paren");
+    }
+
+    // close parens
+    if (nongreedy(stream,closeParenRE,closeParenWords)) {
+      pushToken(state,stream);
+      return rval(state,stream,"close_paren");
+    }
+
+    // separators
+    if (greedy(stream,sepRE,separatorWords)) {
+      // distinguish between "." as terminator and record field operator
+      if (state.context == false) {
+        pushToken(state,stream);
+      }
+      return rval(state,stream,"separator");
+    }
+
+    // operators
+    if (greedy(stream,symbolRE,symbolWords)) {
+      return rval(state,stream,"operator");
+    }
+
+    return rval(state,stream,null);
+  }
+
+  function nongreedy(stream,re,words) {
+    if (stream.current().length == 1 && re.test(stream.current())) {
+      stream.backUp(1);
+      while (re.test(stream.peek())) {
+        stream.next();
+        if (isMember(stream.current(),words)) {
+          return true;
+        }
+      }
+      stream.backUp(stream.current().length-1);
+    }
+    return false;
+  }
+
+  function greedy(stream,re,words) {
+    if (stream.current().length == 1 && re.test(stream.current())) {
+      while (re.test(stream.peek())) {
+        stream.next();
+      }
+      while (0 < stream.current().length) {
+        if (isMember(stream.current(),words)) {
+          return true;
+        }else{
+          stream.backUp(1);
+        }
+      }
+      stream.next();
+    }
+    return false;
+  }
+
+  function doubleQuote(stream) {
+    return quote(stream, '"', '\\');
+  }
+
+  function singleQuote(stream) {
+    return quote(stream,'\'','\\');
+  }
+
+  function quote(stream,quoteChar,escapeChar) {
+    while (!stream.eol()) {
+      var ch = stream.next();
+      if (ch == quoteChar) {
+        return true;
+      }else if (ch == escapeChar) {
+        stream.next();
+      }
+    }
+    return false;
+  }
+
+  function Token(stream) {
+    this.token  = stream ? stream.current() : "";
+    this.column = stream ? stream.column() : 0;
+    this.indent = stream ? stream.indentation() : 0;
+  }
+
+  function myIndent(state,textAfter) {
+    var indent = cmCfg.indentUnit;
+    var outdentWords = ["after","catch"];
+    var token = (peekToken(state)).token;
+    var wordAfter = takewhile(textAfter,/[^a-z]/);
+
+    if (isMember(token,openParenWords)) {
+      return (peekToken(state)).column+token.length;
+    }else if (token == "." || token == ""){
+      return 0;
+    }else if (token == "->") {
+      if (wordAfter == "end") {
+        return peekToken(state,2).column;
+      }else if (peekToken(state,2).token == "fun") {
+        return peekToken(state,2).column+indent;
+      }else{
+        return (peekToken(state)).indent+indent;
+      }
+    }else if (isMember(wordAfter,outdentWords)) {
+      return (peekToken(state)).indent;
+    }else{
+      return (peekToken(state)).column+indent;
+    }
+  }
+
+  function takewhile(str,re) {
+    var m = str.match(re);
+    return m ? str.slice(0,m.index) : str;
+  }
+
+  function popToken(state) {
+    return state.tokenStack.pop();
+  }
+
+  function peekToken(state,depth) {
+    var len = state.tokenStack.length;
+    var dep = (depth ? depth : 1);
+    if (len < dep) {
+      return new Token;
+    }else{
+      return state.tokenStack[len-dep];
+    }
+  }
+
+  function pushToken(state,stream) {
+    var token = stream.current();
+    var prev_token = peekToken(state).token;
+    if (isMember(token,ignoreWords)) {
+      return false;
+    }else if (drop_both(prev_token,token)) {
+      popToken(state);
+      return false;
+    }else if (drop_first(prev_token,token)) {
+      popToken(state);
+      return pushToken(state,stream);
+    }else{
+      state.tokenStack.push(new Token(stream));
+      return true;
+    }
+  }
+
+  function drop_first(open, close) {
+    switch (open+" "+close) {
+      case "when ->":       return true;
+      case "-> end":        return true;
+      case "-> .":          return true;
+      case ". .":           return true;
+      default:              return false;
+    }
+  }
+
+  function drop_both(open, close) {
+    switch (open+" "+close) {
+      case "( )":         return true;
+      case "[ ]":         return true;
+      case "{ }":         return true;
+      case "<< >>":       return true;
+      case "begin end":   return true;
+      case "case end":    return true;
+      case "fun end":     return true;
+      case "if end":      return true;
+      case "receive end": return true;
+      case "try end":     return true;
+      case "-> ;":        return true;
+      default:            return false;
+    }
+  }
+
+  return {
+    startState:
+      function() {
+        return {tokenStack: [],
+                context: false,
+                lastToken: null};
+      },
+
+    token:
+      function(stream, state) {
+        return tokenize(stream, state);
+      },
+
+    indent:
+      function(state, textAfter) {
+        return myIndent(state,textAfter);
+      },
+
+    lineComment: "%"
+  };
+});