diff .cms/lib/codemirror/mode/r/r.js @ 0:78edf6b517a0 draft

24.10
author Coffee CMS <info@coffee-cms.ru>
date Fri, 11 Oct 2024 22:40:23 +0000
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children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.cms/lib/codemirror/mode/r/r.js	Fri Oct 11 22:40:23 2024 +0000
@@ -0,0 +1,190 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/5/LICENSE
+
+(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.registerHelper("wordChars", "r", /[\w.]/);
+
+CodeMirror.defineMode("r", function(config) {
+  function wordObj(words) {
+    var res = {};
+    for (var i = 0; i < words.length; ++i) res[words[i]] = true;
+    return res;
+  }
+  var commonAtoms = ["NULL", "NA", "Inf", "NaN", "NA_integer_", "NA_real_", "NA_complex_", "NA_character_", "TRUE", "FALSE"];
+  var commonBuiltins = ["list", "quote", "bquote", "eval", "return", "call", "parse", "deparse"];
+  var commonKeywords = ["if", "else", "repeat", "while", "function", "for", "in", "next", "break"];
+  var commonBlockKeywords = ["if", "else", "repeat", "while", "function", "for"];
+
+  CodeMirror.registerHelper("hintWords", "r", commonAtoms.concat(commonBuiltins, commonKeywords));
+
+  var atoms = wordObj(commonAtoms);
+  var builtins = wordObj(commonBuiltins);
+  var keywords = wordObj(commonKeywords);
+  var blockkeywords = wordObj(commonBlockKeywords);
+  var opChars = /[+\-*\/^<>=!&|~$:]/;
+  var curPunc;
+
+  function tokenBase(stream, state) {
+    curPunc = null;
+    var ch = stream.next();
+    if (ch == "#") {
+      stream.skipToEnd();
+      return "comment";
+    } else if (ch == "0" && stream.eat("x")) {
+      stream.eatWhile(/[\da-f]/i);
+      return "number";
+    } else if (ch == "." && stream.eat(/\d/)) {
+      stream.match(/\d*(?:e[+\-]?\d+)?/);
+      return "number";
+    } else if (/\d/.test(ch)) {
+      stream.match(/\d*(?:\.\d+)?(?:e[+\-]\d+)?L?/);
+      return "number";
+    } else if (ch == "'" || ch == '"') {
+      state.tokenize = tokenString(ch);
+      return "string";
+    } else if (ch == "`") {
+      stream.match(/[^`]+`/);
+      return "variable-3";
+    } else if (ch == "." && stream.match(/.(?:[.]|\d+)/)) {
+      return "keyword";
+    } else if (/[a-zA-Z\.]/.test(ch)) {
+      stream.eatWhile(/[\w\.]/);
+      var word = stream.current();
+      if (atoms.propertyIsEnumerable(word)) return "atom";
+      if (keywords.propertyIsEnumerable(word)) {
+        // Block keywords start new blocks, except 'else if', which only starts
+        // one new block for the 'if', no block for the 'else'.
+        if (blockkeywords.propertyIsEnumerable(word) &&
+            !stream.match(/\s*if(\s+|$)/, false))
+          curPunc = "block";
+        return "keyword";
+      }
+      if (builtins.propertyIsEnumerable(word)) return "builtin";
+      return "variable";
+    } else if (ch == "%") {
+      if (stream.skipTo("%")) stream.next();
+      return "operator variable-2";
+    } else if (
+        (ch == "<" && stream.eat("-")) ||
+        (ch == "<" && stream.match("<-")) ||
+        (ch == "-" && stream.match(/>>?/))
+      ) {
+      return "operator arrow";
+    } else if (ch == "=" && state.ctx.argList) {
+      return "arg-is";
+    } else if (opChars.test(ch)) {
+      if (ch == "$") return "operator dollar";
+      stream.eatWhile(opChars);
+      return "operator";
+    } else if (/[\(\){}\[\];]/.test(ch)) {
+      curPunc = ch;
+      if (ch == ";") return "semi";
+      return null;
+    } else {
+      return null;
+    }
+  }
+
+  function tokenString(quote) {
+    return function(stream, state) {
+      if (stream.eat("\\")) {
+        var ch = stream.next();
+        if (ch == "x") stream.match(/^[a-f0-9]{2}/i);
+        else if ((ch == "u" || ch == "U") && stream.eat("{") && stream.skipTo("}")) stream.next();
+        else if (ch == "u") stream.match(/^[a-f0-9]{4}/i);
+        else if (ch == "U") stream.match(/^[a-f0-9]{8}/i);
+        else if (/[0-7]/.test(ch)) stream.match(/^[0-7]{1,2}/);
+        return "string-2";
+      } else {
+        var next;
+        while ((next = stream.next()) != null) {
+          if (next == quote) { state.tokenize = tokenBase; break; }
+          if (next == "\\") { stream.backUp(1); break; }
+        }
+        return "string";
+      }
+    };
+  }
+
+  var ALIGN_YES = 1, ALIGN_NO = 2, BRACELESS = 4
+
+  function push(state, type, stream) {
+    state.ctx = {type: type,
+                 indent: state.indent,
+                 flags: 0,
+                 column: stream.column(),
+                 prev: state.ctx};
+  }
+  function setFlag(state, flag) {
+    var ctx = state.ctx
+    state.ctx = {type: ctx.type,
+                 indent: ctx.indent,
+                 flags: ctx.flags | flag,
+                 column: ctx.column,
+                 prev: ctx.prev}
+  }
+  function pop(state) {
+    state.indent = state.ctx.indent;
+    state.ctx = state.ctx.prev;
+  }
+
+  return {
+    startState: function() {
+      return {tokenize: tokenBase,
+              ctx: {type: "top",
+                    indent: -config.indentUnit,
+                    flags: ALIGN_NO},
+              indent: 0,
+              afterIdent: false};
+    },
+
+    token: function(stream, state) {
+      if (stream.sol()) {
+        if ((state.ctx.flags & 3) == 0) state.ctx.flags |= ALIGN_NO
+        if (state.ctx.flags & BRACELESS) pop(state)
+        state.indent = stream.indentation();
+      }
+      if (stream.eatSpace()) return null;
+      var style = state.tokenize(stream, state);
+      if (style != "comment" && (state.ctx.flags & ALIGN_NO) == 0) setFlag(state, ALIGN_YES)
+
+      if ((curPunc == ";" || curPunc == "{" || curPunc == "}") && state.ctx.type == "block") pop(state);
+      if (curPunc == "{") push(state, "}", stream);
+      else if (curPunc == "(") {
+        push(state, ")", stream);
+        if (state.afterIdent) state.ctx.argList = true;
+      }
+      else if (curPunc == "[") push(state, "]", stream);
+      else if (curPunc == "block") push(state, "block", stream);
+      else if (curPunc == state.ctx.type) pop(state);
+      else if (state.ctx.type == "block" && style != "comment") setFlag(state, BRACELESS)
+      state.afterIdent = style == "variable" || style == "keyword";
+      return style;
+    },
+
+    indent: function(state, textAfter) {
+      if (state.tokenize != tokenBase) return 0;
+      var firstChar = textAfter && textAfter.charAt(0), ctx = state.ctx,
+          closing = firstChar == ctx.type;
+      if (ctx.flags & BRACELESS) ctx = ctx.prev
+      if (ctx.type == "block") return ctx.indent + (firstChar == "{" ? 0 : config.indentUnit);
+      else if (ctx.flags & ALIGN_YES) return ctx.column + (closing ? 0 : 1);
+      else return ctx.indent + (closing ? 0 : config.indentUnit);
+    },
+
+    lineComment: "#"
+  };
+});
+
+CodeMirror.defineMIME("text/x-rsrc", "r");
+
+});