CodeMirror.braceRangeFinder = function(cm, start) { var line = start.line, lineText = cm.getLine(line); var startCh, tokenType; function findOpening(openCh) { for (var at = start.ch, pass = 0;;) { var found = lineText.lastIndexOf(openCh, at - 1); if (found == -1) { if (pass == 1) break; pass = 1; at = lineText.length; continue; } if (pass == 1 && found < start.ch) break; tokenType = cm.getTokenAt(CodeMirror.Pos(line, found + 1)).type; if (!/^(comment|string)/.test(tokenType)) return found + 1; at = found - 1; } } var startToken = "{", endToken = "}", startCh = findOpening("{"); if (startCh == null) { startToken = "[", endToken = "]"; startCh = findOpening("["); } if (startCh == null) return; var count = 1, lastLine = cm.lastLine(), end, endCh; outer: for (var i = line; i <= lastLine; ++i) { var text = cm.getLine(i), pos = i == line ? startCh : 0; for (;;) { var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos); if (nextOpen < 0) nextOpen = text.length; if (nextClose < 0) nextClose = text.length; pos = Math.min(nextOpen, nextClose); if (pos == text.length) break; if (cm.getTokenAt(CodeMirror.Pos(i, pos + 1)).type == tokenType) { if (pos == nextOpen) ++count; else if (!--count) { end = i; endCh = pos; break outer; } } ++pos; } } if (end == null || line == end && endCh == startCh) return; return {from: CodeMirror.Pos(line, startCh), to: CodeMirror.Pos(end, endCh)}; }; CodeMirror.importRangeFinder = function(cm, start) { function hasImport(line) { if (line < cm.firstLine() || line > cm.lastLine()) return null; var start = cm.getTokenAt(CodeMirror.Pos(line, 1)); if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1)); if (start.type != "keyword" || start.string != "import") return null; // Now find closing semicolon, return its position for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) { var text = cm.getLine(i), semi = text.indexOf(";"); if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)}; } } var start = start.line, has = hasImport(start), prev; if (!has || hasImport(start - 1) || ((prev = hasImport(start - 2)) && prev.end.line == start - 1)) return null; for (var end = has.end;;) { var next = hasImport(end.line + 1); if (next == null) break; end = next.end; } return {from: cm.clipPos(CodeMirror.Pos(start, has.startCh + 1)), to: end}; }; CodeMirror.includeRangeFinder = function(cm, start) { function hasInclude(line) { if (line < cm.firstLine() || line > cm.lastLine()) return null; var start = cm.getTokenAt(CodeMirror.Pos(line, 1)); if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1)); if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8; } var start = start.line, has = hasInclude(start); if (has == null || hasInclude(start - 1) != null) return null; for (var end = start;;) { var next = hasInclude(end + 1); if (next == null) break; ++end; } return {from: CodeMirror.Pos(start, has + 1), to: cm.clipPos(CodeMirror.Pos(end))}; };