1 files changed, 122 insertions, 0 deletions

diff --git a/js/codemirror/mode/smalltalk/smalltalk.js b/js/codemirror/mode/smalltalk/smalltalk.js
new file mode 100644
index 00000000..a5b14e14
--- /dev/null
+++ b/js/codemirror/mode/smalltalk/smalltalk.js
@@ -0,0 +1,122 @@
+CodeMirror.defineMode("smalltalk", function(config, parserConfig) {
+  var keywords = {"true": 1, "false": 1, nil: 1, self: 1, "super": 1, thisContext: 1};
+  var indentUnit = config.indentUnit;
+
+  function chain(stream, state, f) {
+    state.tokenize = f;
+    return f(stream, state);
+  }
+
+  var type;
+  function ret(tp, style) {
+    type = tp;
+    return style;
+  }
+
+  function tokenBase(stream, state) {
+    var ch = stream.next();
+    if (ch == '"')
+      return chain(stream, state, tokenComment(ch));
+    else if (ch == "'")
+      return chain(stream, state, tokenString(ch));
+    else if (ch == "#") {
+      stream.eatWhile(/[\w\$_]/);
+      return ret("string", "string");
+    }
+    else if (/\d/.test(ch)) {
+      stream.eatWhile(/[\w\.]/)
+      return ret("number", "number");
+    }
+    else if (/[\[\]()]/.test(ch)) {
+      return ret(ch, null);
+    }
+    else {
+      stream.eatWhile(/[\w\$_]/);
+      if (keywords && keywords.propertyIsEnumerable(stream.current())) return ret("keyword", "keyword");
+      return ret("word", "variable");
+    }
+  }
+
+  function tokenString(quote) {
+    return function(stream, state) {
+      var escaped = false, next, end = false;
+      while ((next = stream.next()) != null) {
+        if (next == quote && !escaped) {end = true; break;}
+        escaped = !escaped && next == "\\";
+      }
+      if (end || !(escaped))
+        state.tokenize = tokenBase;
+      return ret("string", "string");
+    };
+  }
+
+  function tokenComment(quote) {
+    return function(stream, state) {
+      var next, end = false;
+      while ((next = stream.next()) != null) {
+        if (next == quote) {end = true; break;}
+      }
+      if (end)
+        state.tokenize = tokenBase;
+      return ret("comment", "comment");
+    };
+  }
+
+  function Context(indented, column, type, align, prev) {
+    this.indented = indented;
+    this.column = column;
+    this.type = type;
+    this.align = align;
+    this.prev = prev;
+  }
+
+  function pushContext(state, col, type) {
+    return state.context = new Context(state.indented, col, type, null, state.context);
+  }
+  function popContext(state) {
+    return state.context = state.context.prev;
+  }
+
+  // Interface
+
+  return {
+    startState: function(basecolumn) {
+      return {
+        tokenize: tokenBase,
+        context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
+        indented: 0,
+        startOfLine: true
+      };
+    },
+
+    token: function(stream, state) {
+      var ctx = state.context;
+      if (stream.sol()) {
+        if (ctx.align == null) ctx.align = false;
+        state.indented = stream.indentation();
+        state.startOfLine = true;
+      }
+      if (stream.eatSpace()) return null;
+      var style = state.tokenize(stream, state);
+      if (type == "comment") return style;
+      if (ctx.align == null) ctx.align = true;
+
+      if (type == "[") pushContext(state, stream.column(), "]");
+      else if (type == "(") pushContext(state, stream.column(), ")");
+      else if (type == ctx.type) popContext(state);
+      state.startOfLine = false;
+      return style;
+    },
+
+    indent: function(state, textAfter) {
+      if (state.tokenize != tokenBase) return 0;
+      var firstChar = textAfter && textAfter.charAt(0), ctx = state.context, closing = firstChar == ctx.type;
+      if (ctx.align) return ctx.column + (closing ? 0 : 1);
+      else return ctx.indented + (closing ? 0 : indentUnit);
+    },
+
+    electricChars: "]"
+  };
+});
+
+CodeMirror.defineMIME("text/x-stsrc", {name: "smalltalk"});