move a few things away in to-be-integrated/

[myslice.git] / to-be-integrated / third-party / codemirror-3.15 / mode / smalltalk / smalltalk.js

diff --git a/to-be-integrated/third-party/codemirror-3.15/mode/smalltalk/smalltalk.js b/to-be-integrated/third-party/codemirror-3.15/mode/smalltalk/smalltalk.js
new file mode 100644 (file)
index 0000000..f2d4cb3
--- /dev/null
+++ b/to-be-integrated/third-party/codemirror-3.15/mode/smalltalk/smalltalk.js
@@ -0,0 +1,151 @@
+CodeMirror.defineMode('smalltalk', function(config) {
+
+  var specialChars = /[+\-\/\\*~<>=@%|&?!.,:;^]/;
+  var keywords = /true|false|nil|self|super|thisContext/;
+
+  var Context = function(tokenizer, parent) {
+    this.next = tokenizer;
+    this.parent = parent;
+  };
+
+  var Token = function(name, context, eos) {
+    this.name = name;
+    this.context = context;
+    this.eos = eos;
+  };
+
+  var State = function() {
+    this.context = new Context(next, null);
+    this.expectVariable = true;
+    this.indentation = 0;
+    this.userIndentationDelta = 0;
+  };
+
+  State.prototype.userIndent = function(indentation) {
+    this.userIndentationDelta = indentation > 0 ? (indentation / config.indentUnit - this.indentation) : 0;
+  };
+
+  var next = function(stream, context, state) {
+    var token = new Token(null, context, false);
+    var aChar = stream.next();
+
+    if (aChar === '"') {
+      token = nextComment(stream, new Context(nextComment, context));
+
+    } else if (aChar === '\'') {
+      token = nextString(stream, new Context(nextString, context));
+
+    } else if (aChar === '#') {
+      if (stream.peek() === '\'') {
+        stream.next();
+        token = nextSymbol(stream, new Context(nextSymbol, context));
+      } else {
+        stream.eatWhile(/[^ .\[\]()]/);
+        token.name = 'string-2';
+      }
+
+    } else if (aChar === '$') {
+      if (stream.next() === '<') {
+        stream.eatWhile(/[^ >]/);
+        stream.next();
+      }
+      token.name = 'string-2';
+
+    } else if (aChar === '|' && state.expectVariable) {
+      token.context = new Context(nextTemporaries, context);
+
+    } else if (/[\[\]{}()]/.test(aChar)) {
+      token.name = 'bracket';
+      token.eos = /[\[{(]/.test(aChar);
+
+      if (aChar === '[') {
+        state.indentation++;
+      } else if (aChar === ']') {
+        state.indentation = Math.max(0, state.indentation - 1);
+      }
+
+    } else if (specialChars.test(aChar)) {
+      stream.eatWhile(specialChars);
+      token.name = 'operator';
+      token.eos = aChar !== ';'; // ; cascaded message expression
+
+    } else if (/\d/.test(aChar)) {
+      stream.eatWhile(/[\w\d]/);
+      token.name = 'number';
+
+    } else if (/[\w_]/.test(aChar)) {
+      stream.eatWhile(/[\w\d_]/);
+      token.name = state.expectVariable ? (keywords.test(stream.current()) ? 'keyword' : 'variable') : null;
+
+    } else {
+      token.eos = state.expectVariable;
+    }
+
+    return token;
+  };
+
+  var nextComment = function(stream, context) {
+    stream.eatWhile(/[^"]/);
+    return new Token('comment', stream.eat('"') ? context.parent : context, true);
+  };
+
+  var nextString = function(stream, context) {
+    stream.eatWhile(/[^']/);
+    return new Token('string', stream.eat('\'') ? context.parent : context, false);
+  };
+
+  var nextSymbol = function(stream, context) {
+    stream.eatWhile(/[^']/);
+    return new Token('string-2', stream.eat('\'') ? context.parent : context, false);
+  };
+
+  var nextTemporaries = function(stream, context) {
+    var token = new Token(null, context, false);
+    var aChar = stream.next();
+
+    if (aChar === '|') {
+      token.context = context.parent;
+      token.eos = true;
+
+    } else {
+      stream.eatWhile(/[^|]/);
+      token.name = 'variable';
+    }
+
+    return token;
+  };
+
+  return {
+    startState: function() {
+      return new State;
+    },
+
+    token: function(stream, state) {
+      state.userIndent(stream.indentation());
+
+      if (stream.eatSpace()) {
+        return null;
+      }
+
+      var token = state.context.next(stream, state.context, state);
+      state.context = token.context;
+      state.expectVariable = token.eos;
+
+      return token.name;
+    },
+
+    blankLine: function(state) {
+      state.userIndent(0);
+    },
+
+    indent: function(state, textAfter) {
+      var i = state.context.next === next && textAfter && textAfter.charAt(0) === ']' ? -1 : state.userIndentationDelta;
+      return (state.indentation + i) * config.indentUnit;
+    },
+
+    electricChars: ']'
+  };
+
+});
+
+CodeMirror.defineMIME('text/x-stsrc', {name: 'smalltalk'});