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authorWu Cheng-Han2015-05-04 15:53:29 +0800
committerWu Cheng-Han2015-05-04 15:53:29 +0800
commit4b0ca55eb79e963523eb6c8197825e9e8ae904e2 (patch)
tree574f3923af77b37b41dbf1b00bcd7827ef724a28 /public/vendor/codemirror/mode/erlang/erlang.js
parent61eb11d23c65c9e5c493c67d055f785cbec139e2 (diff)
First commit, version 0.2.7
Diffstat (limited to 'public/vendor/codemirror/mode/erlang/erlang.js')
-rwxr-xr-xpublic/vendor/codemirror/mode/erlang/erlang.js622
1 files changed, 622 insertions, 0 deletions
diff --git a/public/vendor/codemirror/mode/erlang/erlang.js b/public/vendor/codemirror/mode/erlang/erlang.js
new file mode 100755
index 00000000..fbca292f
--- /dev/null
+++ b/public/vendor/codemirror/mode/erlang/erlang.js
@@ -0,0 +1,622 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+/*jshint unused:true, eqnull:true, curly:true, bitwise:true */
+/*jshint undef:true, latedef:true, trailing:true */
+/*global CodeMirror:true */
+
+// erlang mode.
+// tokenizer -> token types -> CodeMirror styles
+// tokenizer maintains a parse stack
+// indenter uses the parse stack
+
+// TODO indenter:
+// bit syntax
+// old guard/bif/conversion clashes (e.g. "float/1")
+// type/spec/opaque
+
+(function(mod) {
+ if (typeof exports == "object" && typeof module == "object") // CommonJS
+ mod(require("../../lib/codemirror"));
+ else if (typeof define == "function" && define.amd) // AMD
+ define(["../../lib/codemirror"], mod);
+ else // Plain browser env
+ mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+CodeMirror.defineMIME("text/x-erlang", "erlang");
+
+CodeMirror.defineMode("erlang", function(cmCfg) {
+ "use strict";
+
+/////////////////////////////////////////////////////////////////////////////
+// constants
+
+ var typeWords = [
+ "-type", "-spec", "-export_type", "-opaque"];
+
+ var keywordWords = [
+ "after","begin","catch","case","cond","end","fun","if",
+ "let","of","query","receive","try","when"];
+
+ var separatorRE = /[\->,;]/;
+ var separatorWords = [
+ "->",";",","];
+
+ var operatorAtomWords = [
+ "and","andalso","band","bnot","bor","bsl","bsr","bxor",
+ "div","not","or","orelse","rem","xor"];
+
+ var operatorSymbolRE = /[\+\-\*\/<>=\|:!]/;
+ var operatorSymbolWords = [
+ "=","+","-","*","/",">",">=","<","=<","=:=","==","=/=","/=","||","<-","!"];
+
+ var openParenRE = /[<\(\[\{]/;
+ var openParenWords = [
+ "<<","(","[","{"];
+
+ var closeParenRE = /[>\)\]\}]/;
+ 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"];
+
+// upper case: [A-Z] [Ø-Þ] [À-Ö]
+// lower case: [a-z] [ß-ö] [ø-ÿ]
+ var anumRE = /[\w@Ø-ÞÀ-Öß-öø-ÿ]/;
+ var escapesRE =
+ /[0-7]{1,3}|[bdefnrstv\\"']|\^[a-zA-Z]|x[0-9a-zA-Z]{2}|x{[0-9a-zA-Z]+}/;
+
+/////////////////////////////////////////////////////////////////////////////
+// tokenizer
+
+ function tokenizer(stream,state) {
+ // in multi-line string
+ if (state.in_string) {
+ state.in_string = (!doubleQuote(stream));
+ return rval(state,stream,"string");
+ }
+
+ // in multi-line atom
+ if (state.in_atom) {
+ state.in_atom = (!singleQuote(stream));
+ return rval(state,stream,"atom");
+ }
+
+ // whitespace
+ if (stream.eatSpace()) {
+ return rval(state,stream,"whitespace");
+ }
+
+ // attributes and type specs
+ if (!peekToken(state) &&
+ stream.match(/-\s*[a-zß-öø-ÿ][\wØ-ÞÀ-Öß-öø-ÿ]*/)) {
+ if (is_member(stream.current(),typeWords)) {
+ return rval(state,stream,"type");
+ }else{
+ return rval(state,stream,"attribute");
+ }
+ }
+
+ var ch = stream.next();
+
+ // comment
+ if (ch == '%') {
+ stream.skipToEnd();
+ return rval(state,stream,"comment");
+ }
+
+ // colon
+ if (ch == ":") {
+ return rval(state,stream,"colon");
+ }
+
+ // macro
+ if (ch == '?') {
+ stream.eatSpace();
+ stream.eatWhile(anumRE);
+ return rval(state,stream,"macro");
+ }
+
+ // record
+ if (ch == "#") {
+ stream.eatSpace();
+ stream.eatWhile(anumRE);
+ return rval(state,stream,"record");
+ }
+
+ // dollar escape
+ if (ch == "$") {
+ if (stream.next() == "\\" && !stream.match(escapesRE)) {
+ return rval(state,stream,"error");
+ }
+ return rval(state,stream,"number");
+ }
+
+ // dot
+ if (ch == ".") {
+ return rval(state,stream,"dot");
+ }
+
+ // quoted atom
+ if (ch == '\'') {
+ if (!(state.in_atom = (!singleQuote(stream)))) {
+ if (stream.match(/\s*\/\s*[0-9]/,false)) {
+ stream.match(/\s*\/\s*[0-9]/,true);
+ return rval(state,stream,"fun"); // 'f'/0 style fun
+ }
+ if (stream.match(/\s*\(/,false) || stream.match(/\s*:/,false)) {
+ return rval(state,stream,"function");
+ }
+ }
+ return rval(state,stream,"atom");
+ }
+
+ // string
+ if (ch == '"') {
+ state.in_string = (!doubleQuote(stream));
+ return rval(state,stream,"string");
+ }
+
+ // variable
+ if (/[A-Z_Ø-ÞÀ-Ö]/.test(ch)) {
+ stream.eatWhile(anumRE);
+ return rval(state,stream,"variable");
+ }
+
+ // atom/keyword/BIF/function
+ if (/[a-z_ß-öø-ÿ]/.test(ch)) {
+ stream.eatWhile(anumRE);
+
+ if (stream.match(/\s*\/\s*[0-9]/,false)) {
+ stream.match(/\s*\/\s*[0-9]/,true);
+ return rval(state,stream,"fun"); // f/0 style fun
+ }
+
+ var w = stream.current();
+
+ if (is_member(w,keywordWords)) {
+ return rval(state,stream,"keyword");
+ }else if (is_member(w,operatorAtomWords)) {
+ return rval(state,stream,"operator");
+ }else if (stream.match(/\s*\(/,false)) {
+ // 'put' and 'erlang:put' are bifs, 'foo:put' is not
+ if (is_member(w,bifWords) &&
+ ((peekToken(state).token != ":") ||
+ (peekToken(state,2).token == "erlang"))) {
+ return rval(state,stream,"builtin");
+ }else if (is_member(w,guardWords)) {
+ return rval(state,stream,"guard");
+ }else{
+ return rval(state,stream,"function");
+ }
+ }else if (is_member(w,operatorAtomWords)) {
+ return rval(state,stream,"operator");
+ }else if (lookahead(stream) == ":") {
+ if (w == "erlang") {
+ return rval(state,stream,"builtin");
+ } else {
+ return rval(state,stream,"function");
+ }
+ }else if (is_member(w,["true","false"])) {
+ return rval(state,stream,"boolean");
+ }else if (is_member(w,["true","false"])) {
+ return rval(state,stream,"boolean");
+ }else{
+ return rval(state,stream,"atom");
+ }
+ }
+
+ // number
+ var digitRE = /[0-9]/;
+ var radixRE = /[0-9a-zA-Z]/; // 36#zZ style int
+ if (digitRE.test(ch)) {
+ stream.eatWhile(digitRE);
+ if (stream.eat('#')) { // 36#aZ style integer
+ if (!stream.eatWhile(radixRE)) {
+ stream.backUp(1); //"36#" - syntax error
+ }
+ } else if (stream.eat('.')) { // float
+ if (!stream.eatWhile(digitRE)) {
+ stream.backUp(1); // "3." - probably end of function
+ } else {
+ if (stream.eat(/[eE]/)) { // float with exponent
+ if (stream.eat(/[-+]/)) {
+ if (!stream.eatWhile(digitRE)) {
+ stream.backUp(2); // "2e-" - syntax error
+ }
+ } else {
+ if (!stream.eatWhile(digitRE)) {
+ stream.backUp(1); // "2e" - syntax error
+ }
+ }
+ }
+ }
+ }
+ return rval(state,stream,"number"); // normal integer
+ }
+
+ // open parens
+ if (nongreedy(stream,openParenRE,openParenWords)) {
+ return rval(state,stream,"open_paren");
+ }
+
+ // close parens
+ if (nongreedy(stream,closeParenRE,closeParenWords)) {
+ return rval(state,stream,"close_paren");
+ }
+
+ // separators
+ if (greedy(stream,separatorRE,separatorWords)) {
+ return rval(state,stream,"separator");
+ }
+
+ // operators
+ if (greedy(stream,operatorSymbolRE,operatorSymbolWords)) {
+ return rval(state,stream,"operator");
+ }
+
+ return rval(state,stream,null);
+ }
+
+/////////////////////////////////////////////////////////////////////////////
+// utilities
+ 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 (is_member(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 (is_member(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 lookahead(stream) {
+ var m = stream.match(/([\n\s]+|%[^\n]*\n)*(.)/,false);
+ return m ? m.pop() : "";
+ }
+
+ function is_member(element,list) {
+ return (-1 < list.indexOf(element));
+ }
+
+ function rval(state,stream,type) {
+
+ // parse stack
+ pushToken(state,realToken(type,stream));
+
+ // map erlang token type to CodeMirror style class
+ // erlang -> CodeMirror tag
+ switch (type) {
+ case "atom": return "atom";
+ case "attribute": return "attribute";
+ case "boolean": return "atom";
+ case "builtin": return "builtin";
+ case "close_paren": return null;
+ case "colon": return null;
+ case "comment": return "comment";
+ case "dot": return null;
+ case "error": return "error";
+ 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 "open_paren": return null;
+ case "operator": return "operator";
+ case "record": return "bracket";
+ case "separator": return null;
+ case "string": return "string";
+ case "type": return "def";
+ case "variable": return "variable";
+ default: return null;
+ }
+ }
+
+ function aToken(tok,col,ind,typ) {
+ return {token: tok,
+ column: col,
+ indent: ind,
+ type: typ};
+ }
+
+ function realToken(type,stream) {
+ return aToken(stream.current(),
+ stream.column(),
+ stream.indentation(),
+ type);
+ }
+
+ function fakeToken(type) {
+ return aToken(type,0,0,type);
+ }
+
+ function peekToken(state,depth) {
+ var len = state.tokenStack.length;
+ var dep = (depth ? depth : 1);
+
+ if (len < dep) {
+ return false;
+ }else{
+ return state.tokenStack[len-dep];
+ }
+ }
+
+ function pushToken(state,token) {
+
+ if (!(token.type == "comment" || token.type == "whitespace")) {
+ state.tokenStack = maybe_drop_pre(state.tokenStack,token);
+ state.tokenStack = maybe_drop_post(state.tokenStack);
+ }
+ }
+
+ function maybe_drop_pre(s,token) {
+ var last = s.length-1;
+
+ if (0 < last && s[last].type === "record" && token.type === "dot") {
+ s.pop();
+ }else if (0 < last && s[last].type === "group") {
+ s.pop();
+ s.push(token);
+ }else{
+ s.push(token);
+ }
+ return s;
+ }
+
+ function maybe_drop_post(s) {
+ var last = s.length-1;
+
+ if (s[last].type === "dot") {
+ return [];
+ }
+ if (s[last].type === "fun" && s[last-1].token === "fun") {
+ return s.slice(0,last-1);
+ }
+ switch (s[s.length-1].token) {
+ case "}": return d(s,{g:["{"]});
+ case "]": return d(s,{i:["["]});
+ case ")": return d(s,{i:["("]});
+ case ">>": return d(s,{i:["<<"]});
+ case "end": return d(s,{i:["begin","case","fun","if","receive","try"]});
+ case ",": return d(s,{e:["begin","try","when","->",
+ ",","(","[","{","<<"]});
+ case "->": return d(s,{r:["when"],
+ m:["try","if","case","receive"]});
+ case ";": return d(s,{E:["case","fun","if","receive","try","when"]});
+ case "catch":return d(s,{e:["try"]});
+ case "of": return d(s,{e:["case"]});
+ case "after":return d(s,{e:["receive","try"]});
+ default: return s;
+ }
+ }
+
+ function d(stack,tt) {
+ // stack is a stack of Token objects.
+ // tt is an object; {type:tokens}
+ // type is a char, tokens is a list of token strings.
+ // The function returns (possibly truncated) stack.
+ // It will descend the stack, looking for a Token such that Token.token
+ // is a member of tokens. If it does not find that, it will normally (but
+ // see "E" below) return stack. If it does find a match, it will remove
+ // all the Tokens between the top and the matched Token.
+ // If type is "m", that is all it does.
+ // If type is "i", it will also remove the matched Token and the top Token.
+ // If type is "g", like "i", but add a fake "group" token at the top.
+ // If type is "r", it will remove the matched Token, but not the top Token.
+ // If type is "e", it will keep the matched Token but not the top Token.
+ // If type is "E", it behaves as for type "e", except if there is no match,
+ // in which case it will return an empty stack.
+
+ for (var type in tt) {
+ var len = stack.length-1;
+ var tokens = tt[type];
+ for (var i = len-1; -1 < i ; i--) {
+ if (is_member(stack[i].token,tokens)) {
+ var ss = stack.slice(0,i);
+ switch (type) {
+ case "m": return ss.concat(stack[i]).concat(stack[len]);
+ case "r": return ss.concat(stack[len]);
+ case "i": return ss;
+ case "g": return ss.concat(fakeToken("group"));
+ case "E": return ss.concat(stack[i]);
+ case "e": return ss.concat(stack[i]);
+ }
+ }
+ }
+ }
+ return (type == "E" ? [] : stack);
+ }
+
+/////////////////////////////////////////////////////////////////////////////
+// indenter
+
+ function indenter(state,textAfter) {
+ var t;
+ var unit = cmCfg.indentUnit;
+ var wordAfter = wordafter(textAfter);
+ var currT = peekToken(state,1);
+ var prevT = peekToken(state,2);
+
+ if (state.in_string || state.in_atom) {
+ return CodeMirror.Pass;
+ }else if (!prevT) {
+ return 0;
+ }else if (currT.token == "when") {
+ return currT.column+unit;
+ }else if (wordAfter === "when" && prevT.type === "function") {
+ return prevT.indent+unit;
+ }else if (wordAfter === "(" && currT.token === "fun") {
+ return currT.column+3;
+ }else if (wordAfter === "catch" && (t = getToken(state,["try"]))) {
+ return t.column;
+ }else if (is_member(wordAfter,["end","after","of"])) {
+ t = getToken(state,["begin","case","fun","if","receive","try"]);
+ return t ? t.column : CodeMirror.Pass;
+ }else if (is_member(wordAfter,closeParenWords)) {
+ t = getToken(state,openParenWords);
+ return t ? t.column : CodeMirror.Pass;
+ }else if (is_member(currT.token,[",","|","||"]) ||
+ is_member(wordAfter,[",","|","||"])) {
+ t = postcommaToken(state);
+ return t ? t.column+t.token.length : unit;
+ }else if (currT.token == "->") {
+ if (is_member(prevT.token, ["receive","case","if","try"])) {
+ return prevT.column+unit+unit;
+ }else{
+ return prevT.column+unit;
+ }
+ }else if (is_member(currT.token,openParenWords)) {
+ return currT.column+currT.token.length;
+ }else{
+ t = defaultToken(state);
+ return truthy(t) ? t.column+unit : 0;
+ }
+ }
+
+ function wordafter(str) {
+ var m = str.match(/,|[a-z]+|\}|\]|\)|>>|\|+|\(/);
+
+ return truthy(m) && (m.index === 0) ? m[0] : "";
+ }
+
+ function postcommaToken(state) {
+ var objs = state.tokenStack.slice(0,-1);
+ var i = getTokenIndex(objs,"type",["open_paren"]);
+
+ return truthy(objs[i]) ? objs[i] : false;
+ }
+
+ function defaultToken(state) {
+ var objs = state.tokenStack;
+ var stop = getTokenIndex(objs,"type",["open_paren","separator","keyword"]);
+ var oper = getTokenIndex(objs,"type",["operator"]);
+
+ if (truthy(stop) && truthy(oper) && stop < oper) {
+ return objs[stop+1];
+ } else if (truthy(stop)) {
+ return objs[stop];
+ } else {
+ return false;
+ }
+ }
+
+ function getToken(state,tokens) {
+ var objs = state.tokenStack;
+ var i = getTokenIndex(objs,"token",tokens);
+
+ return truthy(objs[i]) ? objs[i] : false;
+ }
+
+ function getTokenIndex(objs,propname,propvals) {
+
+ for (var i = objs.length-1; -1 < i ; i--) {
+ if (is_member(objs[i][propname],propvals)) {
+ return i;
+ }
+ }
+ return false;
+ }
+
+ function truthy(x) {
+ return (x !== false) && (x != null);
+ }
+
+/////////////////////////////////////////////////////////////////////////////
+// this object defines the mode
+
+ return {
+ startState:
+ function() {
+ return {tokenStack: [],
+ in_string: false,
+ in_atom: false};
+ },
+
+ token:
+ function(stream, state) {
+ return tokenizer(stream, state);
+ },
+
+ indent:
+ function(state, textAfter) {
+ return indenter(state,textAfter);
+ },
+
+ lineComment: "%"
+ };
+});
+
+});