diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6ef5926..dfa0f22 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,17 +28,18 @@ jobs:
       - name: Make sure no changes from linters are detected
         run: |
           git diff --exit-code
-  test-default-version:
+  test-latest-version:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, macos-14, windows-latest]
     steps:
       - uses: actions/checkout@v4
-      - name: Use default version
+      - name: Use latest version
         uses: ./
         with:
           src: __tests__/fixtures/python-project
+          version: latest
   test-specific-version:
     runs-on: ubuntu-latest
     strategy:
@@ -51,6 +52,39 @@ jobs:
         with:
           version: ${{ matrix.ruff-version }}
           src: __tests__/fixtures/python-project
+  test-default-version-from-pyproject:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use default version from pyproject.toml
+        id: ruff-action
+        uses: ./
+        with:
+          src: __tests__/fixtures/python-project
+      - name: Correct version gets installed
+        run: |
+          if [ "$RUFF_VERSION" != "0.6.2" ]; then
+            exit 1
+          fi
+        env:
+          RUFF_VERSION: ${{ steps.ruff-action.outputs.ruff-version }}
+  test-default-version-from-pyproject-dev-group:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use default version from pyproject.toml dev group
+        id: ruff-action
+        uses: ./
+        with:
+          src: __tests__/fixtures/pyproject-dependency-dev-project
+          version-file: __tests__/fixtures/pyproject-dependency-dev-project/pyproject.toml
+      - name: Correct version gets installed
+        run: |
+          if [ "$RUFF_VERSION" != "0.8.3" ]; then
+            exit 1
+          fi
+        env:
+          RUFF_VERSION: ${{ steps.ruff-action.outputs.ruff-version }}
   test-semver-range:
     runs-on: ubuntu-latest
     steps:
diff --git a/README.md b/README.md
index a12d31c..e50cf47 100644
--- a/README.md
+++ b/README.md
@@ -19,19 +19,21 @@ fix).
     - [Install the latest version (default)](#install-the-latest-version-default)
     - [Install a specific version](#install-a-specific-version)
     - [Install a version by supplying a semver range](#install-a-version-by-supplying-a-semver-range)
+    - [Install a version from a specified version file](#install-a-version-from-a-specified-version-file)
   - [Validate checksum](#validate-checksum)
   - [GitHub authentication token](#github-authentication-token)
 - [Outputs](#outputs)
 
 ## Usage
 
-| Input          | Description                                                                                 | Default            |
-|----------------|---------------------------------------------------------------------------------------------|--------------------|
-| `version`      | The version of Ruff to install. See [Install specific versions](#install-specific-versions) | `latest`           |
-| `args`         | The arguments to pass to the `ruff` command. See [Configuring Ruff]                         | `check`            |
-| `src`          | The directory or single files to run `ruff` on.                                             | [github.workspace] |
-| `checksum`     | The sha256 checksum of the downloaded executable.                                           | None               |
-| `github-token` | The GitHub token to use for authentication.                                                 | `GITHUB_TOKEN`     |
+| Input          | Description                                                                                                                                | Default            |
+|----------------|--------------------------------------------------------------------------------------------------------------------------------------------|--------------------|
+| `version`      | The version of Ruff to install. See [Install specific versions](#install-specific-versions)                                                | `latest`           |
+| `version-file` | The file to read the version from. See [Install a version from a specified version file](#install-a-version-from-a-specified-version-file) | None               |
+| `args`         | The arguments to pass to the `ruff` command. See [Configuring Ruff]                                                                        | `check`            |
+| `src`          | The directory or single files to run `ruff` on.                                                                                            | [github.workspace] |
+| `checksum`     | The sha256 checksum of the downloaded executable.                                                                                          | None               |
+| `github-token` | The GitHub token to use for authentication.                                                                                                | `GITHUB_TOKEN`     |
 
 ### Basic
 
@@ -77,7 +79,11 @@ This action adds ruff to the PATH, so you can use it in subsequent steps.
 
 ### Install specific versions
 
-#### Install the latest version (default)
+By default this action looks for a pyproject.toml file in the root of the repository to determine
+the ruff version to install. If no pyproject.toml file is found, or no ruff version is defined in
+either `dependencies` or `dependency-groups.dev` the latest version is installed.
+
+#### Install the latest version
 
 ```yaml
 - name: Install the latest version of ruff
@@ -86,13 +92,7 @@ This action adds ruff to the PATH, so you can use it in subsequent steps.
     version: "latest"
 ```
 
-> [!TIP]
->
-> Using `latest` requires to download the ruff executable on every run, which incurs a cost
-> (especially on self-hosted runners). As a best practice, consider pinning the version to a
-> specific release.
-
-### Install a specific version
+#### Install a specific version
 
 ```yaml
 - name: Install a specific version of ruff
@@ -101,7 +101,7 @@ This action adds ruff to the PATH, so you can use it in subsequent steps.
     version: "0.4.4"
 ```
 
-### Install a version by supplying a semver range
+#### Install a version by supplying a semver range
 
 You can specify a [semver range](https://github.com/npm/node-semver?tab=readme-ov-file#ranges)
 to install the latest version that satisfies the range.
@@ -120,6 +120,18 @@ to install the latest version that satisfies the range.
     version: "0.4.x"
 ```
 
+#### Install a version from a specified version file
+
+You can specify a file to read the version from.
+Currently `pyproject.toml` is supported.
+
+```yaml
+- name: Install a version from a specified version file
+  uses: astral-sh/ruff-action@v2
+  with:
+    version-file: "my-path/to/pyproject.toml"
+```
+
 ### Validate checksum
 
 You can specify a checksum to validate the downloaded executable. Checksums up to the default version
diff --git a/__tests__/fixtures/pyproject-dependency-dev-project/README.md b/__tests__/fixtures/pyproject-dependency-dev-project/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/__tests__/fixtures/pyproject-dependency-dev-project/pyproject.toml b/__tests__/fixtures/pyproject-dependency-dev-project/pyproject.toml
new file mode 100644
index 0000000..b6ce798
--- /dev/null
+++ b/__tests__/fixtures/pyproject-dependency-dev-project/pyproject.toml
@@ -0,0 +1,15 @@
+[project]
+name = "pyproject-dependency-dev-project"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.12"
+
+[dependency-groups]
+dev = [
+    "ruff==0.8.3"
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
diff --git a/__tests__/fixtures/pyproject-dependency-dev-project/src/pyproject_dependency_dev_project/__init__.py b/__tests__/fixtures/pyproject-dependency-dev-project/src/pyproject_dependency_dev_project/__init__.py
new file mode 100644
index 0000000..feca748
--- /dev/null
+++ b/__tests__/fixtures/pyproject-dependency-dev-project/src/pyproject_dependency_dev_project/__init__.py
@@ -0,0 +1,2 @@
+def hello() -> str:
+    return "Hello from python-project!"
diff --git a/__tests__/fixtures/pyproject-dependency-dev-project/src/pyproject_dependency_dev_project/hello_world.py b/__tests__/fixtures/pyproject-dependency-dev-project/src/pyproject_dependency_dev_project/hello_world.py
new file mode 100644
index 0000000..f1a1813
--- /dev/null
+++ b/__tests__/fixtures/pyproject-dependency-dev-project/src/pyproject_dependency_dev_project/hello_world.py
@@ -0,0 +1 @@
+print("Hello world!")
diff --git a/__tests__/fixtures/python-project/pyproject.toml b/__tests__/fixtures/python-project/pyproject.toml
index 66377ba..f8999d3 100644
--- a/__tests__/fixtures/python-project/pyproject.toml
+++ b/__tests__/fixtures/python-project/pyproject.toml
@@ -5,7 +5,7 @@ description = "Add your description here"
 readme = "README.md"
 requires-python = ">=3.12"
 dependencies = [
-    "ruff>=0.6.2",
+    "ruff==0.6.2",
 ]
 
 [build-system]
diff --git a/action.yml b/action.yml
index 91b0cbb..72ca55e 100644
--- a/action.yml
+++ b/action.yml
@@ -11,9 +11,12 @@ inputs:
     required: false
     default: ${{ github.workspace }}
   version:
-    description: "The version of Ruff to use, e.g., `0.6.0` Defaults to the latest version."
+    description: "The version of Ruff to use, e.g., `0.6.0` Defaults to the version in pyproject.toml or 'latest'."
+    required: false
+    default: ""
+  version-file:
+    description: "Path to a pyproject.toml or requirements.txt file to read the version from."
     required: false
-    default: "latest"
   checksum:
     description: "The checksum of the ruff version to install"
     required: false
diff --git a/dist/ruff-action/index.js b/dist/ruff-action/index.js
index 9f31d51..41a9d13 100644
--- a/dist/ruff-action/index.js
+++ b/dist/ruff-action/index.js
@@ -9946,6 +9946,4073 @@ function coerce (version, options) {
 }
 
 
+/***/ }),
+
+/***/ 2132:
+/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => {
+
+var parser = __nccwpck_require__(4613);
+var compiler = __nccwpck_require__(4763);
+
+module.exports = {
+  parse: function(input) {
+    var nodes = parser.parse(input.toString());
+    return compiler.compile(nodes);
+  }
+};
+
+
+/***/ }),
+
+/***/ 4763:
+/***/ ((module) => {
+
+"use strict";
+
+function compile(nodes) {
+  var assignedPaths = [];
+  var valueAssignments = [];
+  var currentPath = "";
+  var data = Object.create(null);
+  var context = data;
+  var arrayMode = false;
+
+  return reduce(nodes);
+
+  function reduce(nodes) {
+    var node;
+    for (var i = 0; i < nodes.length; i++) {
+      node = nodes[i];
+      switch (node.type) {
+      case "Assign":
+        assign(node);
+        break;
+      case "ObjectPath":
+        setPath(node);
+        break;
+      case "ArrayPath":
+        addTableArray(node);
+        break;
+      }
+    }
+
+    return data;
+  }
+
+  function genError(err, line, col) {
+    var ex = new Error(err);
+    ex.line = line;
+    ex.column = col;
+    throw ex;
+  }
+
+  function assign(node) {
+    var key = node.key;
+    var value = node.value;
+    var line = node.line;
+    var column = node.column;
+
+    var fullPath;
+    if (currentPath) {
+      fullPath = currentPath + "." + key;
+    } else {
+      fullPath = key;
+    }
+    if (typeof context[key] !== "undefined") {
+      genError("Cannot redefine existing key '" + fullPath + "'.", line, column);
+    }
+
+    context[key] = reduceValueNode(value);
+
+    if (!pathAssigned(fullPath)) {
+      assignedPaths.push(fullPath);
+      valueAssignments.push(fullPath);
+    }
+  }
+
+
+  function pathAssigned(path) {
+    return assignedPaths.indexOf(path) !== -1;
+  }
+
+  function reduceValueNode(node) {
+    if (node.type === "Array") {
+      return reduceArrayWithTypeChecking(node.value);
+    } else if (node.type === "InlineTable") {
+      return reduceInlineTableNode(node.value);
+    } else {
+      return node.value;
+    }
+  }
+
+  function reduceInlineTableNode(values) {
+    var obj = Object.create(null);
+    for (var i = 0; i < values.length; i++) {
+      var val = values[i];
+      if (val.value.type === "InlineTable") {
+        obj[val.key] = reduceInlineTableNode(val.value.value);
+      } else if (val.type === "InlineTableValue") {
+        obj[val.key] = reduceValueNode(val.value);
+      }
+    }
+
+    return obj;
+  }
+
+  function setPath(node) {
+    var path = node.value;
+    var quotedPath = path.map(quoteDottedString).join(".");
+    var line = node.line;
+    var column = node.column;
+
+    if (pathAssigned(quotedPath)) {
+      genError("Cannot redefine existing key '" + path + "'.", line, column);
+    }
+    assignedPaths.push(quotedPath);
+    context = deepRef(data, path, Object.create(null), line, column);
+    currentPath = path;
+  }
+
+  function addTableArray(node) {
+    var path = node.value;
+    var quotedPath = path.map(quoteDottedString).join(".");
+    var line = node.line;
+    var column = node.column;
+
+    if (!pathAssigned(quotedPath)) {
+      assignedPaths.push(quotedPath);
+    }
+    assignedPaths = assignedPaths.filter(function(p) {
+      return p.indexOf(quotedPath) !== 0;
+    });
+    assignedPaths.push(quotedPath);
+    context = deepRef(data, path, [], line, column);
+    currentPath = quotedPath;
+
+    if (context instanceof Array) {
+      var newObj = Object.create(null);
+      context.push(newObj);
+      context = newObj;
+    } else {
+      genError("Cannot redefine existing key '" + path + "'.", line, column);
+    }
+  }
+
+  // Given a path 'a.b.c', create (as necessary) `start.a`,
+  // `start.a.b`, and `start.a.b.c`, assigning `value` to `start.a.b.c`.
+  // If `a` or `b` are arrays and have items in them, the last item in the
+  // array is used as the context for the next sub-path.
+  function deepRef(start, keys, value, line, column) {
+    var traversed = [];
+    var traversedPath = "";
+    var path = keys.join(".");
+    var ctx = start;
+
+    for (var i = 0; i < keys.length; i++) {
+      var key = keys[i];
+      traversed.push(key);
+      traversedPath = traversed.join(".");
+      if (typeof ctx[key] === "undefined") {
+        if (i === keys.length - 1) {
+          ctx[key] = value;
+        } else {
+          ctx[key] = Object.create(null);
+        }
+      } else if (i !== keys.length - 1 && valueAssignments.indexOf(traversedPath) > -1) {
+        // already a non-object value at key, can't be used as part of a new path
+        genError("Cannot redefine existing key '" + traversedPath + "'.", line, column);
+      }
+
+      ctx = ctx[key];
+      if (ctx instanceof Array && ctx.length && i < keys.length - 1) {
+        ctx = ctx[ctx.length - 1];
+      }
+    }
+
+    return ctx;
+  }
+
+  function reduceArrayWithTypeChecking(array) {
+    // Ensure that all items in the array are of the same type
+    var firstType = null;
+    for (var i = 0; i < array.length; i++) {
+      var node = array[i];
+      if (firstType === null) {
+        firstType = node.type;
+      } else {
+        if (node.type !== firstType) {
+          genError("Cannot add value of type " + node.type + " to array of type " +
+            firstType + ".", node.line, node.column);
+        }
+      }
+    }
+
+    // Recursively reduce array of nodes into array of the nodes' values
+    return array.map(reduceValueNode);
+  }
+
+  function quoteDottedString(str) {
+    if (str.indexOf(".") > -1) {
+      return "\"" + str + "\"";
+    } else {
+      return str;
+    }
+  }
+}
+
+module.exports = {
+  compile: compile
+};
+
+
+/***/ }),
+
+/***/ 4613:
+/***/ ((module) => {
+
+module.exports = (function() {
+  /*
+   * Generated by PEG.js 0.8.0.
+   *
+   * http://pegjs.majda.cz/
+   */
+
+  function peg$subclass(child, parent) {
+    function ctor() { this.constructor = child; }
+    ctor.prototype = parent.prototype;
+    child.prototype = new ctor();
+  }
+
+  function SyntaxError(message, expected, found, offset, line, column) {
+    this.message  = message;
+    this.expected = expected;
+    this.found    = found;
+    this.offset   = offset;
+    this.line     = line;
+    this.column   = column;
+
+    this.name     = "SyntaxError";
+  }
+
+  peg$subclass(SyntaxError, Error);
+
+  function parse(input) {
+    var options = arguments.length > 1 ? arguments[1] : {},
+
+        peg$FAILED = {},
+
+        peg$startRuleFunctions = { start: peg$parsestart },
+        peg$startRuleFunction  = peg$parsestart,
+
+        peg$c0 = [],
+        peg$c1 = function() { return nodes },
+        peg$c2 = peg$FAILED,
+        peg$c3 = "#",
+        peg$c4 = { type: "literal", value: "#", description: "\"#\"" },
+        peg$c5 = void 0,
+        peg$c6 = { type: "any", description: "any character" },
+        peg$c7 = "[",
+        peg$c8 = { type: "literal", value: "[", description: "\"[\"" },
+        peg$c9 = "]",
+        peg$c10 = { type: "literal", value: "]", description: "\"]\"" },
+        peg$c11 = function(name) { addNode(node('ObjectPath', name, line, column)) },
+        peg$c12 = function(name) { addNode(node('ArrayPath', name, line, column)) },
+        peg$c13 = function(parts, name) { return parts.concat(name) },
+        peg$c14 = function(name) { return [name] },
+        peg$c15 = function(name) { return name },
+        peg$c16 = ".",
+        peg$c17 = { type: "literal", value: ".", description: "\".\"" },
+        peg$c18 = "=",
+        peg$c19 = { type: "literal", value: "=", description: "\"=\"" },
+        peg$c20 = function(key, value) { addNode(node('Assign', value, line, column, key)) },
+        peg$c21 = function(chars) { return chars.join('') },
+        peg$c22 = function(node) { return node.value },
+        peg$c23 = "\"\"\"",
+        peg$c24 = { type: "literal", value: "\"\"\"", description: "\"\\\"\\\"\\\"\"" },
+        peg$c25 = null,
+        peg$c26 = function(chars) { return node('String', chars.join(''), line, column) },
+        peg$c27 = "\"",
+        peg$c28 = { type: "literal", value: "\"", description: "\"\\\"\"" },
+        peg$c29 = "'''",
+        peg$c30 = { type: "literal", value: "'''", description: "\"'''\"" },
+        peg$c31 = "'",
+        peg$c32 = { type: "literal", value: "'", description: "\"'\"" },
+        peg$c33 = function(char) { return char },
+        peg$c34 = function(char) { return char},
+        peg$c35 = "\\",
+        peg$c36 = { type: "literal", value: "\\", description: "\"\\\\\"" },
+        peg$c37 = function() { return '' },
+        peg$c38 = "e",
+        peg$c39 = { type: "literal", value: "e", description: "\"e\"" },
+        peg$c40 = "E",
+        peg$c41 = { type: "literal", value: "E", description: "\"E\"" },
+        peg$c42 = function(left, right) { return node('Float', parseFloat(left + 'e' + right), line, column) },
+        peg$c43 = function(text) { return node('Float', parseFloat(text), line, column) },
+        peg$c44 = "+",
+        peg$c45 = { type: "literal", value: "+", description: "\"+\"" },
+        peg$c46 = function(digits) { return digits.join('') },
+        peg$c47 = "-",
+        peg$c48 = { type: "literal", value: "-", description: "\"-\"" },
+        peg$c49 = function(digits) { return '-' + digits.join('') },
+        peg$c50 = function(text) { return node('Integer', parseInt(text, 10), line, column) },
+        peg$c51 = "true",
+        peg$c52 = { type: "literal", value: "true", description: "\"true\"" },
+        peg$c53 = function() { return node('Boolean', true, line, column) },
+        peg$c54 = "false",
+        peg$c55 = { type: "literal", value: "false", description: "\"false\"" },
+        peg$c56 = function() { return node('Boolean', false, line, column) },
+        peg$c57 = function() { return node('Array', [], line, column) },
+        peg$c58 = function(value) { return node('Array', value ? [value] : [], line, column) },
+        peg$c59 = function(values) { return node('Array', values, line, column) },
+        peg$c60 = function(values, value) { return node('Array', values.concat(value), line, column) },
+        peg$c61 = function(value) { return value },
+        peg$c62 = ",",
+        peg$c63 = { type: "literal", value: ",", description: "\",\"" },
+        peg$c64 = "{",
+        peg$c65 = { type: "literal", value: "{", description: "\"{\"" },
+        peg$c66 = "}",
+        peg$c67 = { type: "literal", value: "}", description: "\"}\"" },
+        peg$c68 = function(values) { return node('InlineTable', values, line, column) },
+        peg$c69 = function(key, value) { return node('InlineTableValue', value, line, column, key) },
+        peg$c70 = function(digits) { return "." + digits },
+        peg$c71 = function(date) { return  date.join('') },
+        peg$c72 = ":",
+        peg$c73 = { type: "literal", value: ":", description: "\":\"" },
+        peg$c74 = function(time) { return time.join('') },
+        peg$c75 = "T",
+        peg$c76 = { type: "literal", value: "T", description: "\"T\"" },
+        peg$c77 = "Z",
+        peg$c78 = { type: "literal", value: "Z", description: "\"Z\"" },
+        peg$c79 = function(date, time) { return node('Date', new Date(date + "T" + time + "Z"), line, column) },
+        peg$c80 = function(date, time) { return node('Date', new Date(date + "T" + time), line, column) },
+        peg$c81 = /^[ \t]/,
+        peg$c82 = { type: "class", value: "[ \\t]", description: "[ \\t]" },
+        peg$c83 = "\n",
+        peg$c84 = { type: "literal", value: "\n", description: "\"\\n\"" },
+        peg$c85 = "\r",
+        peg$c86 = { type: "literal", value: "\r", description: "\"\\r\"" },
+        peg$c87 = /^[0-9a-f]/i,
+        peg$c88 = { type: "class", value: "[0-9a-f]i", description: "[0-9a-f]i" },
+        peg$c89 = /^[0-9]/,
+        peg$c90 = { type: "class", value: "[0-9]", description: "[0-9]" },
+        peg$c91 = "_",
+        peg$c92 = { type: "literal", value: "_", description: "\"_\"" },
+        peg$c93 = function() { return "" },
+        peg$c94 = /^[A-Za-z0-9_\-]/,
+        peg$c95 = { type: "class", value: "[A-Za-z0-9_\\-]", description: "[A-Za-z0-9_\\-]" },
+        peg$c96 = function(d) { return d.join('') },
+        peg$c97 = "\\\"",
+        peg$c98 = { type: "literal", value: "\\\"", description: "\"\\\\\\\"\"" },
+        peg$c99 = function() { return '"'  },
+        peg$c100 = "\\\\",
+        peg$c101 = { type: "literal", value: "\\\\", description: "\"\\\\\\\\\"" },
+        peg$c102 = function() { return '\\' },
+        peg$c103 = "\\b",
+        peg$c104 = { type: "literal", value: "\\b", description: "\"\\\\b\"" },
+        peg$c105 = function() { return '\b' },
+        peg$c106 = "\\t",
+        peg$c107 = { type: "literal", value: "\\t", description: "\"\\\\t\"" },
+        peg$c108 = function() { return '\t' },
+        peg$c109 = "\\n",
+        peg$c110 = { type: "literal", value: "\\n", description: "\"\\\\n\"" },
+        peg$c111 = function() { return '\n' },
+        peg$c112 = "\\f",
+        peg$c113 = { type: "literal", value: "\\f", description: "\"\\\\f\"" },
+        peg$c114 = function() { return '\f' },
+        peg$c115 = "\\r",
+        peg$c116 = { type: "literal", value: "\\r", description: "\"\\\\r\"" },
+        peg$c117 = function() { return '\r' },
+        peg$c118 = "\\U",
+        peg$c119 = { type: "literal", value: "\\U", description: "\"\\\\U\"" },
+        peg$c120 = function(digits) { return convertCodePoint(digits.join('')) },
+        peg$c121 = "\\u",
+        peg$c122 = { type: "literal", value: "\\u", description: "\"\\\\u\"" },
+
+        peg$currPos          = 0,
+        peg$reportedPos      = 0,
+        peg$cachedPos        = 0,
+        peg$cachedPosDetails = { line: 1, column: 1, seenCR: false },
+        peg$maxFailPos       = 0,
+        peg$maxFailExpected  = [],
+        peg$silentFails      = 0,
+
+        peg$cache = {},
+        peg$result;
+
+    if ("startRule" in options) {
+      if (!(options.startRule in peg$startRuleFunctions)) {
+        throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
+      }
+
+      peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
+    }
+
+    function text() {
+      return input.substring(peg$reportedPos, peg$currPos);
+    }
+
+    function offset() {
+      return peg$reportedPos;
+    }
+
+    function line() {
+      return peg$computePosDetails(peg$reportedPos).line;
+    }
+
+    function column() {
+      return peg$computePosDetails(peg$reportedPos).column;
+    }
+
+    function expected(description) {
+      throw peg$buildException(
+        null,
+        [{ type: "other", description: description }],
+        peg$reportedPos
+      );
+    }
+
+    function error(message) {
+      throw peg$buildException(message, null, peg$reportedPos);
+    }
+
+    function peg$computePosDetails(pos) {
+      function advance(details, startPos, endPos) {
+        var p, ch;
+
+        for (p = startPos; p < endPos; p++) {
+          ch = input.charAt(p);
+          if (ch === "\n") {
+            if (!details.seenCR) { details.line++; }
+            details.column = 1;
+            details.seenCR = false;
+          } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
+            details.line++;
+            details.column = 1;
+            details.seenCR = true;
+          } else {
+            details.column++;
+            details.seenCR = false;
+          }
+        }
+      }
+
+      if (peg$cachedPos !== pos) {
+        if (peg$cachedPos > pos) {
+          peg$cachedPos = 0;
+          peg$cachedPosDetails = { line: 1, column: 1, seenCR: false };
+        }
+        advance(peg$cachedPosDetails, peg$cachedPos, pos);
+        peg$cachedPos = pos;
+      }
+
+      return peg$cachedPosDetails;
+    }
+
+    function peg$fail(expected) {
+      if (peg$currPos < peg$maxFailPos) { return; }
+
+      if (peg$currPos > peg$maxFailPos) {
+        peg$maxFailPos = peg$currPos;
+        peg$maxFailExpected = [];
+      }
+
+      peg$maxFailExpected.push(expected);
+    }
+
+    function peg$buildException(message, expected, pos) {
+      function cleanupExpected(expected) {
+        var i = 1;
+
+        expected.sort(function(a, b) {
+          if (a.description < b.description) {
+            return -1;
+          } else if (a.description > b.description) {
+            return 1;
+          } else {
+            return 0;
+          }
+        });
+
+        while (i < expected.length) {
+          if (expected[i - 1] === expected[i]) {
+            expected.splice(i, 1);
+          } else {
+            i++;
+          }
+        }
+      }
+
+      function buildMessage(expected, found) {
+        function stringEscape(s) {
+          function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }
+
+          return s
+            .replace(/\\/g,   '\\\\')
+            .replace(/"/g,    '\\"')
+            .replace(/\x08/g, '\\b')
+            .replace(/\t/g,   '\\t')
+            .replace(/\n/g,   '\\n')
+            .replace(/\f/g,   '\\f')
+            .replace(/\r/g,   '\\r')
+            .replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
+            .replace(/[\x10-\x1F\x80-\xFF]/g,    function(ch) { return '\\x'  + hex(ch); })
+            .replace(/[\u0180-\u0FFF]/g,         function(ch) { return '\\u0' + hex(ch); })
+            .replace(/[\u1080-\uFFFF]/g,         function(ch) { return '\\u'  + hex(ch); });
+        }
+
+        var expectedDescs = new Array(expected.length),
+            expectedDesc, foundDesc, i;
+
+        for (i = 0; i < expected.length; i++) {
+          expectedDescs[i] = expected[i].description;
+        }
+
+        expectedDesc = expected.length > 1
+          ? expectedDescs.slice(0, -1).join(", ")
+              + " or "
+              + expectedDescs[expected.length - 1]
+          : expectedDescs[0];
+
+        foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";
+
+        return "Expected " + expectedDesc + " but " + foundDesc + " found.";
+      }
+
+      var posDetails = peg$computePosDetails(pos),
+          found      = pos < input.length ? input.charAt(pos) : null;
+
+      if (expected !== null) {
+        cleanupExpected(expected);
+      }
+
+      return new SyntaxError(
+        message !== null ? message : buildMessage(expected, found),
+        expected,
+        found,
+        pos,
+        posDetails.line,
+        posDetails.column
+      );
+    }
+
+    function peg$parsestart() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 0,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parseline();
+      while (s2 !== peg$FAILED) {
+        s1.push(s2);
+        s2 = peg$parseline();
+      }
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c1();
+      }
+      s0 = s1;
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseline() {
+      var s0, s1, s2, s3, s4, s5, s6;
+
+      var key    = peg$currPos * 49 + 1,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parseS();
+      while (s2 !== peg$FAILED) {
+        s1.push(s2);
+        s2 = peg$parseS();
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parseexpression();
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parseS();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parseS();
+          }
+          if (s3 !== peg$FAILED) {
+            s4 = [];
+            s5 = peg$parsecomment();
+            while (s5 !== peg$FAILED) {
+              s4.push(s5);
+              s5 = peg$parsecomment();
+            }
+            if (s4 !== peg$FAILED) {
+              s5 = [];
+              s6 = peg$parseNL();
+              if (s6 !== peg$FAILED) {
+                while (s6 !== peg$FAILED) {
+                  s5.push(s6);
+                  s6 = peg$parseNL();
+                }
+              } else {
+                s5 = peg$c2;
+              }
+              if (s5 === peg$FAILED) {
+                s5 = peg$parseEOF();
+              }
+              if (s5 !== peg$FAILED) {
+                s1 = [s1, s2, s3, s4, s5];
+                s0 = s1;
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = [];
+        s2 = peg$parseS();
+        if (s2 !== peg$FAILED) {
+          while (s2 !== peg$FAILED) {
+            s1.push(s2);
+            s2 = peg$parseS();
+          }
+        } else {
+          s1 = peg$c2;
+        }
+        if (s1 !== peg$FAILED) {
+          s2 = [];
+          s3 = peg$parseNL();
+          if (s3 !== peg$FAILED) {
+            while (s3 !== peg$FAILED) {
+              s2.push(s3);
+              s3 = peg$parseNL();
+            }
+          } else {
+            s2 = peg$c2;
+          }
+          if (s2 === peg$FAILED) {
+            s2 = peg$parseEOF();
+          }
+          if (s2 !== peg$FAILED) {
+            s1 = [s1, s2];
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+        if (s0 === peg$FAILED) {
+          s0 = peg$parseNL();
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseexpression() {
+      var s0;
+
+      var key    = peg$currPos * 49 + 2,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$parsecomment();
+      if (s0 === peg$FAILED) {
+        s0 = peg$parsepath();
+        if (s0 === peg$FAILED) {
+          s0 = peg$parsetablearray();
+          if (s0 === peg$FAILED) {
+            s0 = peg$parseassignment();
+          }
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsecomment() {
+      var s0, s1, s2, s3, s4, s5;
+
+      var key    = peg$currPos * 49 + 3,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 35) {
+        s1 = peg$c3;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c4); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = [];
+        s3 = peg$currPos;
+        s4 = peg$currPos;
+        peg$silentFails++;
+        s5 = peg$parseNL();
+        if (s5 === peg$FAILED) {
+          s5 = peg$parseEOF();
+        }
+        peg$silentFails--;
+        if (s5 === peg$FAILED) {
+          s4 = peg$c5;
+        } else {
+          peg$currPos = s4;
+          s4 = peg$c2;
+        }
+        if (s4 !== peg$FAILED) {
+          if (input.length > peg$currPos) {
+            s5 = input.charAt(peg$currPos);
+            peg$currPos++;
+          } else {
+            s5 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c6); }
+          }
+          if (s5 !== peg$FAILED) {
+            s4 = [s4, s5];
+            s3 = s4;
+          } else {
+            peg$currPos = s3;
+            s3 = peg$c2;
+          }
+        } else {
+          peg$currPos = s3;
+          s3 = peg$c2;
+        }
+        while (s3 !== peg$FAILED) {
+          s2.push(s3);
+          s3 = peg$currPos;
+          s4 = peg$currPos;
+          peg$silentFails++;
+          s5 = peg$parseNL();
+          if (s5 === peg$FAILED) {
+            s5 = peg$parseEOF();
+          }
+          peg$silentFails--;
+          if (s5 === peg$FAILED) {
+            s4 = peg$c5;
+          } else {
+            peg$currPos = s4;
+            s4 = peg$c2;
+          }
+          if (s4 !== peg$FAILED) {
+            if (input.length > peg$currPos) {
+              s5 = input.charAt(peg$currPos);
+              peg$currPos++;
+            } else {
+              s5 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c6); }
+            }
+            if (s5 !== peg$FAILED) {
+              s4 = [s4, s5];
+              s3 = s4;
+            } else {
+              peg$currPos = s3;
+              s3 = peg$c2;
+            }
+          } else {
+            peg$currPos = s3;
+            s3 = peg$c2;
+          }
+        }
+        if (s2 !== peg$FAILED) {
+          s1 = [s1, s2];
+          s0 = s1;
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsepath() {
+      var s0, s1, s2, s3, s4, s5;
+
+      var key    = peg$currPos * 49 + 4,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 91) {
+        s1 = peg$c7;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c8); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = [];
+        s3 = peg$parseS();
+        while (s3 !== peg$FAILED) {
+          s2.push(s3);
+          s3 = peg$parseS();
+        }
+        if (s2 !== peg$FAILED) {
+          s3 = peg$parsetable_key();
+          if (s3 !== peg$FAILED) {
+            s4 = [];
+            s5 = peg$parseS();
+            while (s5 !== peg$FAILED) {
+              s4.push(s5);
+              s5 = peg$parseS();
+            }
+            if (s4 !== peg$FAILED) {
+              if (input.charCodeAt(peg$currPos) === 93) {
+                s5 = peg$c9;
+                peg$currPos++;
+              } else {
+                s5 = peg$FAILED;
+                if (peg$silentFails === 0) { peg$fail(peg$c10); }
+              }
+              if (s5 !== peg$FAILED) {
+                peg$reportedPos = s0;
+                s1 = peg$c11(s3);
+                s0 = s1;
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsetablearray() {
+      var s0, s1, s2, s3, s4, s5, s6, s7;
+
+      var key    = peg$currPos * 49 + 5,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 91) {
+        s1 = peg$c7;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c8); }
+      }
+      if (s1 !== peg$FAILED) {
+        if (input.charCodeAt(peg$currPos) === 91) {
+          s2 = peg$c7;
+          peg$currPos++;
+        } else {
+          s2 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c8); }
+        }
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parseS();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parseS();
+          }
+          if (s3 !== peg$FAILED) {
+            s4 = peg$parsetable_key();
+            if (s4 !== peg$FAILED) {
+              s5 = [];
+              s6 = peg$parseS();
+              while (s6 !== peg$FAILED) {
+                s5.push(s6);
+                s6 = peg$parseS();
+              }
+              if (s5 !== peg$FAILED) {
+                if (input.charCodeAt(peg$currPos) === 93) {
+                  s6 = peg$c9;
+                  peg$currPos++;
+                } else {
+                  s6 = peg$FAILED;
+                  if (peg$silentFails === 0) { peg$fail(peg$c10); }
+                }
+                if (s6 !== peg$FAILED) {
+                  if (input.charCodeAt(peg$currPos) === 93) {
+                    s7 = peg$c9;
+                    peg$currPos++;
+                  } else {
+                    s7 = peg$FAILED;
+                    if (peg$silentFails === 0) { peg$fail(peg$c10); }
+                  }
+                  if (s7 !== peg$FAILED) {
+                    peg$reportedPos = s0;
+                    s1 = peg$c12(s4);
+                    s0 = s1;
+                  } else {
+                    peg$currPos = s0;
+                    s0 = peg$c2;
+                  }
+                } else {
+                  peg$currPos = s0;
+                  s0 = peg$c2;
+                }
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsetable_key() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 6,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parsedot_ended_table_key_part();
+      if (s2 !== peg$FAILED) {
+        while (s2 !== peg$FAILED) {
+          s1.push(s2);
+          s2 = peg$parsedot_ended_table_key_part();
+        }
+      } else {
+        s1 = peg$c2;
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parsetable_key_part();
+        if (s2 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c13(s1, s2);
+          s0 = s1;
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = peg$parsetable_key_part();
+        if (s1 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c14(s1);
+        }
+        s0 = s1;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsetable_key_part() {
+      var s0, s1, s2, s3, s4;
+
+      var key    = peg$currPos * 49 + 7,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parseS();
+      while (s2 !== peg$FAILED) {
+        s1.push(s2);
+        s2 = peg$parseS();
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parsekey();
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parseS();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parseS();
+          }
+          if (s3 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c15(s2);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = [];
+        s2 = peg$parseS();
+        while (s2 !== peg$FAILED) {
+          s1.push(s2);
+          s2 = peg$parseS();
+        }
+        if (s1 !== peg$FAILED) {
+          s2 = peg$parsequoted_key();
+          if (s2 !== peg$FAILED) {
+            s3 = [];
+            s4 = peg$parseS();
+            while (s4 !== peg$FAILED) {
+              s3.push(s4);
+              s4 = peg$parseS();
+            }
+            if (s3 !== peg$FAILED) {
+              peg$reportedPos = s0;
+              s1 = peg$c15(s2);
+              s0 = s1;
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsedot_ended_table_key_part() {
+      var s0, s1, s2, s3, s4, s5, s6;
+
+      var key    = peg$currPos * 49 + 8,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parseS();
+      while (s2 !== peg$FAILED) {
+        s1.push(s2);
+        s2 = peg$parseS();
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parsekey();
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parseS();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parseS();
+          }
+          if (s3 !== peg$FAILED) {
+            if (input.charCodeAt(peg$currPos) === 46) {
+              s4 = peg$c16;
+              peg$currPos++;
+            } else {
+              s4 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c17); }
+            }
+            if (s4 !== peg$FAILED) {
+              s5 = [];
+              s6 = peg$parseS();
+              while (s6 !== peg$FAILED) {
+                s5.push(s6);
+                s6 = peg$parseS();
+              }
+              if (s5 !== peg$FAILED) {
+                peg$reportedPos = s0;
+                s1 = peg$c15(s2);
+                s0 = s1;
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = [];
+        s2 = peg$parseS();
+        while (s2 !== peg$FAILED) {
+          s1.push(s2);
+          s2 = peg$parseS();
+        }
+        if (s1 !== peg$FAILED) {
+          s2 = peg$parsequoted_key();
+          if (s2 !== peg$FAILED) {
+            s3 = [];
+            s4 = peg$parseS();
+            while (s4 !== peg$FAILED) {
+              s3.push(s4);
+              s4 = peg$parseS();
+            }
+            if (s3 !== peg$FAILED) {
+              if (input.charCodeAt(peg$currPos) === 46) {
+                s4 = peg$c16;
+                peg$currPos++;
+              } else {
+                s4 = peg$FAILED;
+                if (peg$silentFails === 0) { peg$fail(peg$c17); }
+              }
+              if (s4 !== peg$FAILED) {
+                s5 = [];
+                s6 = peg$parseS();
+                while (s6 !== peg$FAILED) {
+                  s5.push(s6);
+                  s6 = peg$parseS();
+                }
+                if (s5 !== peg$FAILED) {
+                  peg$reportedPos = s0;
+                  s1 = peg$c15(s2);
+                  s0 = s1;
+                } else {
+                  peg$currPos = s0;
+                  s0 = peg$c2;
+                }
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseassignment() {
+      var s0, s1, s2, s3, s4, s5;
+
+      var key    = peg$currPos * 49 + 9,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$parsekey();
+      if (s1 !== peg$FAILED) {
+        s2 = [];
+        s3 = peg$parseS();
+        while (s3 !== peg$FAILED) {
+          s2.push(s3);
+          s3 = peg$parseS();
+        }
+        if (s2 !== peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 61) {
+            s3 = peg$c18;
+            peg$currPos++;
+          } else {
+            s3 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c19); }
+          }
+          if (s3 !== peg$FAILED) {
+            s4 = [];
+            s5 = peg$parseS();
+            while (s5 !== peg$FAILED) {
+              s4.push(s5);
+              s5 = peg$parseS();
+            }
+            if (s4 !== peg$FAILED) {
+              s5 = peg$parsevalue();
+              if (s5 !== peg$FAILED) {
+                peg$reportedPos = s0;
+                s1 = peg$c20(s1, s5);
+                s0 = s1;
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = peg$parsequoted_key();
+        if (s1 !== peg$FAILED) {
+          s2 = [];
+          s3 = peg$parseS();
+          while (s3 !== peg$FAILED) {
+            s2.push(s3);
+            s3 = peg$parseS();
+          }
+          if (s2 !== peg$FAILED) {
+            if (input.charCodeAt(peg$currPos) === 61) {
+              s3 = peg$c18;
+              peg$currPos++;
+            } else {
+              s3 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c19); }
+            }
+            if (s3 !== peg$FAILED) {
+              s4 = [];
+              s5 = peg$parseS();
+              while (s5 !== peg$FAILED) {
+                s4.push(s5);
+                s5 = peg$parseS();
+              }
+              if (s4 !== peg$FAILED) {
+                s5 = peg$parsevalue();
+                if (s5 !== peg$FAILED) {
+                  peg$reportedPos = s0;
+                  s1 = peg$c20(s1, s5);
+                  s0 = s1;
+                } else {
+                  peg$currPos = s0;
+                  s0 = peg$c2;
+                }
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsekey() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 10,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parseASCII_BASIC();
+      if (s2 !== peg$FAILED) {
+        while (s2 !== peg$FAILED) {
+          s1.push(s2);
+          s2 = peg$parseASCII_BASIC();
+        }
+      } else {
+        s1 = peg$c2;
+      }
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c21(s1);
+      }
+      s0 = s1;
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsequoted_key() {
+      var s0, s1;
+
+      var key    = peg$currPos * 49 + 11,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$parsedouble_quoted_single_line_string();
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c22(s1);
+      }
+      s0 = s1;
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = peg$parsesingle_quoted_single_line_string();
+        if (s1 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c22(s1);
+        }
+        s0 = s1;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsevalue() {
+      var s0;
+
+      var key    = peg$currPos * 49 + 12,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$parsestring();
+      if (s0 === peg$FAILED) {
+        s0 = peg$parsedatetime();
+        if (s0 === peg$FAILED) {
+          s0 = peg$parsefloat();
+          if (s0 === peg$FAILED) {
+            s0 = peg$parseinteger();
+            if (s0 === peg$FAILED) {
+              s0 = peg$parseboolean();
+              if (s0 === peg$FAILED) {
+                s0 = peg$parsearray();
+                if (s0 === peg$FAILED) {
+                  s0 = peg$parseinline_table();
+                }
+              }
+            }
+          }
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsestring() {
+      var s0;
+
+      var key    = peg$currPos * 49 + 13,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$parsedouble_quoted_multiline_string();
+      if (s0 === peg$FAILED) {
+        s0 = peg$parsedouble_quoted_single_line_string();
+        if (s0 === peg$FAILED) {
+          s0 = peg$parsesingle_quoted_multiline_string();
+          if (s0 === peg$FAILED) {
+            s0 = peg$parsesingle_quoted_single_line_string();
+          }
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsedouble_quoted_multiline_string() {
+      var s0, s1, s2, s3, s4;
+
+      var key    = peg$currPos * 49 + 14,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.substr(peg$currPos, 3) === peg$c23) {
+        s1 = peg$c23;
+        peg$currPos += 3;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c24); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parseNL();
+        if (s2 === peg$FAILED) {
+          s2 = peg$c25;
+        }
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parsemultiline_string_char();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parsemultiline_string_char();
+          }
+          if (s3 !== peg$FAILED) {
+            if (input.substr(peg$currPos, 3) === peg$c23) {
+              s4 = peg$c23;
+              peg$currPos += 3;
+            } else {
+              s4 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c24); }
+            }
+            if (s4 !== peg$FAILED) {
+              peg$reportedPos = s0;
+              s1 = peg$c26(s3);
+              s0 = s1;
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsedouble_quoted_single_line_string() {
+      var s0, s1, s2, s3;
+
+      var key    = peg$currPos * 49 + 15,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 34) {
+        s1 = peg$c27;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c28); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = [];
+        s3 = peg$parsestring_char();
+        while (s3 !== peg$FAILED) {
+          s2.push(s3);
+          s3 = peg$parsestring_char();
+        }
+        if (s2 !== peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 34) {
+            s3 = peg$c27;
+            peg$currPos++;
+          } else {
+            s3 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c28); }
+          }
+          if (s3 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c26(s2);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsesingle_quoted_multiline_string() {
+      var s0, s1, s2, s3, s4;
+
+      var key    = peg$currPos * 49 + 16,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.substr(peg$currPos, 3) === peg$c29) {
+        s1 = peg$c29;
+        peg$currPos += 3;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c30); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parseNL();
+        if (s2 === peg$FAILED) {
+          s2 = peg$c25;
+        }
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parsemultiline_literal_char();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parsemultiline_literal_char();
+          }
+          if (s3 !== peg$FAILED) {
+            if (input.substr(peg$currPos, 3) === peg$c29) {
+              s4 = peg$c29;
+              peg$currPos += 3;
+            } else {
+              s4 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c30); }
+            }
+            if (s4 !== peg$FAILED) {
+              peg$reportedPos = s0;
+              s1 = peg$c26(s3);
+              s0 = s1;
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsesingle_quoted_single_line_string() {
+      var s0, s1, s2, s3;
+
+      var key    = peg$currPos * 49 + 17,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 39) {
+        s1 = peg$c31;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c32); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = [];
+        s3 = peg$parseliteral_char();
+        while (s3 !== peg$FAILED) {
+          s2.push(s3);
+          s3 = peg$parseliteral_char();
+        }
+        if (s2 !== peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 39) {
+            s3 = peg$c31;
+            peg$currPos++;
+          } else {
+            s3 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c32); }
+          }
+          if (s3 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c26(s2);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsestring_char() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 18,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$parseESCAPED();
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = peg$currPos;
+        peg$silentFails++;
+        if (input.charCodeAt(peg$currPos) === 34) {
+          s2 = peg$c27;
+          peg$currPos++;
+        } else {
+          s2 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c28); }
+        }
+        peg$silentFails--;
+        if (s2 === peg$FAILED) {
+          s1 = peg$c5;
+        } else {
+          peg$currPos = s1;
+          s1 = peg$c2;
+        }
+        if (s1 !== peg$FAILED) {
+          if (input.length > peg$currPos) {
+            s2 = input.charAt(peg$currPos);
+            peg$currPos++;
+          } else {
+            s2 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c6); }
+          }
+          if (s2 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c33(s2);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseliteral_char() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 19,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$currPos;
+      peg$silentFails++;
+      if (input.charCodeAt(peg$currPos) === 39) {
+        s2 = peg$c31;
+        peg$currPos++;
+      } else {
+        s2 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c32); }
+      }
+      peg$silentFails--;
+      if (s2 === peg$FAILED) {
+        s1 = peg$c5;
+      } else {
+        peg$currPos = s1;
+        s1 = peg$c2;
+      }
+      if (s1 !== peg$FAILED) {
+        if (input.length > peg$currPos) {
+          s2 = input.charAt(peg$currPos);
+          peg$currPos++;
+        } else {
+          s2 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c6); }
+        }
+        if (s2 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c33(s2);
+          s0 = s1;
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsemultiline_string_char() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 20,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$parseESCAPED();
+      if (s0 === peg$FAILED) {
+        s0 = peg$parsemultiline_string_delim();
+        if (s0 === peg$FAILED) {
+          s0 = peg$currPos;
+          s1 = peg$currPos;
+          peg$silentFails++;
+          if (input.substr(peg$currPos, 3) === peg$c23) {
+            s2 = peg$c23;
+            peg$currPos += 3;
+          } else {
+            s2 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c24); }
+          }
+          peg$silentFails--;
+          if (s2 === peg$FAILED) {
+            s1 = peg$c5;
+          } else {
+            peg$currPos = s1;
+            s1 = peg$c2;
+          }
+          if (s1 !== peg$FAILED) {
+            if (input.length > peg$currPos) {
+              s2 = input.charAt(peg$currPos);
+              peg$currPos++;
+            } else {
+              s2 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c6); }
+            }
+            if (s2 !== peg$FAILED) {
+              peg$reportedPos = s0;
+              s1 = peg$c34(s2);
+              s0 = s1;
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsemultiline_string_delim() {
+      var s0, s1, s2, s3, s4;
+
+      var key    = peg$currPos * 49 + 21,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 92) {
+        s1 = peg$c35;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c36); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parseNL();
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parseNLS();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parseNLS();
+          }
+          if (s3 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c37();
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsemultiline_literal_char() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 22,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$currPos;
+      peg$silentFails++;
+      if (input.substr(peg$currPos, 3) === peg$c29) {
+        s2 = peg$c29;
+        peg$currPos += 3;
+      } else {
+        s2 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c30); }
+      }
+      peg$silentFails--;
+      if (s2 === peg$FAILED) {
+        s1 = peg$c5;
+      } else {
+        peg$currPos = s1;
+        s1 = peg$c2;
+      }
+      if (s1 !== peg$FAILED) {
+        if (input.length > peg$currPos) {
+          s2 = input.charAt(peg$currPos);
+          peg$currPos++;
+        } else {
+          s2 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c6); }
+        }
+        if (s2 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c33(s2);
+          s0 = s1;
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsefloat() {
+      var s0, s1, s2, s3;
+
+      var key    = peg$currPos * 49 + 23,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$parsefloat_text();
+      if (s1 === peg$FAILED) {
+        s1 = peg$parseinteger_text();
+      }
+      if (s1 !== peg$FAILED) {
+        if (input.charCodeAt(peg$currPos) === 101) {
+          s2 = peg$c38;
+          peg$currPos++;
+        } else {
+          s2 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c39); }
+        }
+        if (s2 === peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 69) {
+            s2 = peg$c40;
+            peg$currPos++;
+          } else {
+            s2 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c41); }
+          }
+        }
+        if (s2 !== peg$FAILED) {
+          s3 = peg$parseinteger_text();
+          if (s3 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c42(s1, s3);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = peg$parsefloat_text();
+        if (s1 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c43(s1);
+        }
+        s0 = s1;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsefloat_text() {
+      var s0, s1, s2, s3, s4, s5;
+
+      var key    = peg$currPos * 49 + 24,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 43) {
+        s1 = peg$c44;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c45); }
+      }
+      if (s1 === peg$FAILED) {
+        s1 = peg$c25;
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$currPos;
+        s3 = peg$parseDIGITS();
+        if (s3 !== peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 46) {
+            s4 = peg$c16;
+            peg$currPos++;
+          } else {
+            s4 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c17); }
+          }
+          if (s4 !== peg$FAILED) {
+            s5 = peg$parseDIGITS();
+            if (s5 !== peg$FAILED) {
+              s3 = [s3, s4, s5];
+              s2 = s3;
+            } else {
+              peg$currPos = s2;
+              s2 = peg$c2;
+            }
+          } else {
+            peg$currPos = s2;
+            s2 = peg$c2;
+          }
+        } else {
+          peg$currPos = s2;
+          s2 = peg$c2;
+        }
+        if (s2 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c46(s2);
+          s0 = s1;
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        if (input.charCodeAt(peg$currPos) === 45) {
+          s1 = peg$c47;
+          peg$currPos++;
+        } else {
+          s1 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c48); }
+        }
+        if (s1 !== peg$FAILED) {
+          s2 = peg$currPos;
+          s3 = peg$parseDIGITS();
+          if (s3 !== peg$FAILED) {
+            if (input.charCodeAt(peg$currPos) === 46) {
+              s4 = peg$c16;
+              peg$currPos++;
+            } else {
+              s4 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c17); }
+            }
+            if (s4 !== peg$FAILED) {
+              s5 = peg$parseDIGITS();
+              if (s5 !== peg$FAILED) {
+                s3 = [s3, s4, s5];
+                s2 = s3;
+              } else {
+                peg$currPos = s2;
+                s2 = peg$c2;
+              }
+            } else {
+              peg$currPos = s2;
+              s2 = peg$c2;
+            }
+          } else {
+            peg$currPos = s2;
+            s2 = peg$c2;
+          }
+          if (s2 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c49(s2);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseinteger() {
+      var s0, s1;
+
+      var key    = peg$currPos * 49 + 25,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$parseinteger_text();
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c50(s1);
+      }
+      s0 = s1;
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseinteger_text() {
+      var s0, s1, s2, s3, s4;
+
+      var key    = peg$currPos * 49 + 26,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 43) {
+        s1 = peg$c44;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c45); }
+      }
+      if (s1 === peg$FAILED) {
+        s1 = peg$c25;
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = [];
+        s3 = peg$parseDIGIT_OR_UNDER();
+        if (s3 !== peg$FAILED) {
+          while (s3 !== peg$FAILED) {
+            s2.push(s3);
+            s3 = peg$parseDIGIT_OR_UNDER();
+          }
+        } else {
+          s2 = peg$c2;
+        }
+        if (s2 !== peg$FAILED) {
+          s3 = peg$currPos;
+          peg$silentFails++;
+          if (input.charCodeAt(peg$currPos) === 46) {
+            s4 = peg$c16;
+            peg$currPos++;
+          } else {
+            s4 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c17); }
+          }
+          peg$silentFails--;
+          if (s4 === peg$FAILED) {
+            s3 = peg$c5;
+          } else {
+            peg$currPos = s3;
+            s3 = peg$c2;
+          }
+          if (s3 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c46(s2);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        if (input.charCodeAt(peg$currPos) === 45) {
+          s1 = peg$c47;
+          peg$currPos++;
+        } else {
+          s1 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c48); }
+        }
+        if (s1 !== peg$FAILED) {
+          s2 = [];
+          s3 = peg$parseDIGIT_OR_UNDER();
+          if (s3 !== peg$FAILED) {
+            while (s3 !== peg$FAILED) {
+              s2.push(s3);
+              s3 = peg$parseDIGIT_OR_UNDER();
+            }
+          } else {
+            s2 = peg$c2;
+          }
+          if (s2 !== peg$FAILED) {
+            s3 = peg$currPos;
+            peg$silentFails++;
+            if (input.charCodeAt(peg$currPos) === 46) {
+              s4 = peg$c16;
+              peg$currPos++;
+            } else {
+              s4 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c17); }
+            }
+            peg$silentFails--;
+            if (s4 === peg$FAILED) {
+              s3 = peg$c5;
+            } else {
+              peg$currPos = s3;
+              s3 = peg$c2;
+            }
+            if (s3 !== peg$FAILED) {
+              peg$reportedPos = s0;
+              s1 = peg$c49(s2);
+              s0 = s1;
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseboolean() {
+      var s0, s1;
+
+      var key    = peg$currPos * 49 + 27,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.substr(peg$currPos, 4) === peg$c51) {
+        s1 = peg$c51;
+        peg$currPos += 4;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c52); }
+      }
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c53();
+      }
+      s0 = s1;
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        if (input.substr(peg$currPos, 5) === peg$c54) {
+          s1 = peg$c54;
+          peg$currPos += 5;
+        } else {
+          s1 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c55); }
+        }
+        if (s1 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c56();
+        }
+        s0 = s1;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsearray() {
+      var s0, s1, s2, s3, s4;
+
+      var key    = peg$currPos * 49 + 28,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 91) {
+        s1 = peg$c7;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c8); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = [];
+        s3 = peg$parsearray_sep();
+        while (s3 !== peg$FAILED) {
+          s2.push(s3);
+          s3 = peg$parsearray_sep();
+        }
+        if (s2 !== peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 93) {
+            s3 = peg$c9;
+            peg$currPos++;
+          } else {
+            s3 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c10); }
+          }
+          if (s3 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c57();
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        if (input.charCodeAt(peg$currPos) === 91) {
+          s1 = peg$c7;
+          peg$currPos++;
+        } else {
+          s1 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c8); }
+        }
+        if (s1 !== peg$FAILED) {
+          s2 = peg$parsearray_value();
+          if (s2 === peg$FAILED) {
+            s2 = peg$c25;
+          }
+          if (s2 !== peg$FAILED) {
+            if (input.charCodeAt(peg$currPos) === 93) {
+              s3 = peg$c9;
+              peg$currPos++;
+            } else {
+              s3 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c10); }
+            }
+            if (s3 !== peg$FAILED) {
+              peg$reportedPos = s0;
+              s1 = peg$c58(s2);
+              s0 = s1;
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+        if (s0 === peg$FAILED) {
+          s0 = peg$currPos;
+          if (input.charCodeAt(peg$currPos) === 91) {
+            s1 = peg$c7;
+            peg$currPos++;
+          } else {
+            s1 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c8); }
+          }
+          if (s1 !== peg$FAILED) {
+            s2 = [];
+            s3 = peg$parsearray_value_list();
+            if (s3 !== peg$FAILED) {
+              while (s3 !== peg$FAILED) {
+                s2.push(s3);
+                s3 = peg$parsearray_value_list();
+              }
+            } else {
+              s2 = peg$c2;
+            }
+            if (s2 !== peg$FAILED) {
+              if (input.charCodeAt(peg$currPos) === 93) {
+                s3 = peg$c9;
+                peg$currPos++;
+              } else {
+                s3 = peg$FAILED;
+                if (peg$silentFails === 0) { peg$fail(peg$c10); }
+              }
+              if (s3 !== peg$FAILED) {
+                peg$reportedPos = s0;
+                s1 = peg$c59(s2);
+                s0 = s1;
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+          if (s0 === peg$FAILED) {
+            s0 = peg$currPos;
+            if (input.charCodeAt(peg$currPos) === 91) {
+              s1 = peg$c7;
+              peg$currPos++;
+            } else {
+              s1 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c8); }
+            }
+            if (s1 !== peg$FAILED) {
+              s2 = [];
+              s3 = peg$parsearray_value_list();
+              if (s3 !== peg$FAILED) {
+                while (s3 !== peg$FAILED) {
+                  s2.push(s3);
+                  s3 = peg$parsearray_value_list();
+                }
+              } else {
+                s2 = peg$c2;
+              }
+              if (s2 !== peg$FAILED) {
+                s3 = peg$parsearray_value();
+                if (s3 !== peg$FAILED) {
+                  if (input.charCodeAt(peg$currPos) === 93) {
+                    s4 = peg$c9;
+                    peg$currPos++;
+                  } else {
+                    s4 = peg$FAILED;
+                    if (peg$silentFails === 0) { peg$fail(peg$c10); }
+                  }
+                  if (s4 !== peg$FAILED) {
+                    peg$reportedPos = s0;
+                    s1 = peg$c60(s2, s3);
+                    s0 = s1;
+                  } else {
+                    peg$currPos = s0;
+                    s0 = peg$c2;
+                  }
+                } else {
+                  peg$currPos = s0;
+                  s0 = peg$c2;
+                }
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          }
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsearray_value() {
+      var s0, s1, s2, s3, s4;
+
+      var key    = peg$currPos * 49 + 29,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parsearray_sep();
+      while (s2 !== peg$FAILED) {
+        s1.push(s2);
+        s2 = peg$parsearray_sep();
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parsevalue();
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parsearray_sep();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parsearray_sep();
+          }
+          if (s3 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c61(s2);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsearray_value_list() {
+      var s0, s1, s2, s3, s4, s5, s6;
+
+      var key    = peg$currPos * 49 + 30,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parsearray_sep();
+      while (s2 !== peg$FAILED) {
+        s1.push(s2);
+        s2 = peg$parsearray_sep();
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parsevalue();
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parsearray_sep();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parsearray_sep();
+          }
+          if (s3 !== peg$FAILED) {
+            if (input.charCodeAt(peg$currPos) === 44) {
+              s4 = peg$c62;
+              peg$currPos++;
+            } else {
+              s4 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c63); }
+            }
+            if (s4 !== peg$FAILED) {
+              s5 = [];
+              s6 = peg$parsearray_sep();
+              while (s6 !== peg$FAILED) {
+                s5.push(s6);
+                s6 = peg$parsearray_sep();
+              }
+              if (s5 !== peg$FAILED) {
+                peg$reportedPos = s0;
+                s1 = peg$c61(s2);
+                s0 = s1;
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsearray_sep() {
+      var s0;
+
+      var key    = peg$currPos * 49 + 31,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$parseS();
+      if (s0 === peg$FAILED) {
+        s0 = peg$parseNL();
+        if (s0 === peg$FAILED) {
+          s0 = peg$parsecomment();
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseinline_table() {
+      var s0, s1, s2, s3, s4, s5;
+
+      var key    = peg$currPos * 49 + 32,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 123) {
+        s1 = peg$c64;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c65); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = [];
+        s3 = peg$parseS();
+        while (s3 !== peg$FAILED) {
+          s2.push(s3);
+          s3 = peg$parseS();
+        }
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parseinline_table_assignment();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parseinline_table_assignment();
+          }
+          if (s3 !== peg$FAILED) {
+            s4 = [];
+            s5 = peg$parseS();
+            while (s5 !== peg$FAILED) {
+              s4.push(s5);
+              s5 = peg$parseS();
+            }
+            if (s4 !== peg$FAILED) {
+              if (input.charCodeAt(peg$currPos) === 125) {
+                s5 = peg$c66;
+                peg$currPos++;
+              } else {
+                s5 = peg$FAILED;
+                if (peg$silentFails === 0) { peg$fail(peg$c67); }
+              }
+              if (s5 !== peg$FAILED) {
+                peg$reportedPos = s0;
+                s1 = peg$c68(s3);
+                s0 = s1;
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseinline_table_assignment() {
+      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
+
+      var key    = peg$currPos * 49 + 33,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parseS();
+      while (s2 !== peg$FAILED) {
+        s1.push(s2);
+        s2 = peg$parseS();
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parsekey();
+        if (s2 !== peg$FAILED) {
+          s3 = [];
+          s4 = peg$parseS();
+          while (s4 !== peg$FAILED) {
+            s3.push(s4);
+            s4 = peg$parseS();
+          }
+          if (s3 !== peg$FAILED) {
+            if (input.charCodeAt(peg$currPos) === 61) {
+              s4 = peg$c18;
+              peg$currPos++;
+            } else {
+              s4 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c19); }
+            }
+            if (s4 !== peg$FAILED) {
+              s5 = [];
+              s6 = peg$parseS();
+              while (s6 !== peg$FAILED) {
+                s5.push(s6);
+                s6 = peg$parseS();
+              }
+              if (s5 !== peg$FAILED) {
+                s6 = peg$parsevalue();
+                if (s6 !== peg$FAILED) {
+                  s7 = [];
+                  s8 = peg$parseS();
+                  while (s8 !== peg$FAILED) {
+                    s7.push(s8);
+                    s8 = peg$parseS();
+                  }
+                  if (s7 !== peg$FAILED) {
+                    if (input.charCodeAt(peg$currPos) === 44) {
+                      s8 = peg$c62;
+                      peg$currPos++;
+                    } else {
+                      s8 = peg$FAILED;
+                      if (peg$silentFails === 0) { peg$fail(peg$c63); }
+                    }
+                    if (s8 !== peg$FAILED) {
+                      s9 = [];
+                      s10 = peg$parseS();
+                      while (s10 !== peg$FAILED) {
+                        s9.push(s10);
+                        s10 = peg$parseS();
+                      }
+                      if (s9 !== peg$FAILED) {
+                        peg$reportedPos = s0;
+                        s1 = peg$c69(s2, s6);
+                        s0 = s1;
+                      } else {
+                        peg$currPos = s0;
+                        s0 = peg$c2;
+                      }
+                    } else {
+                      peg$currPos = s0;
+                      s0 = peg$c2;
+                    }
+                  } else {
+                    peg$currPos = s0;
+                    s0 = peg$c2;
+                  }
+                } else {
+                  peg$currPos = s0;
+                  s0 = peg$c2;
+                }
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = [];
+        s2 = peg$parseS();
+        while (s2 !== peg$FAILED) {
+          s1.push(s2);
+          s2 = peg$parseS();
+        }
+        if (s1 !== peg$FAILED) {
+          s2 = peg$parsekey();
+          if (s2 !== peg$FAILED) {
+            s3 = [];
+            s4 = peg$parseS();
+            while (s4 !== peg$FAILED) {
+              s3.push(s4);
+              s4 = peg$parseS();
+            }
+            if (s3 !== peg$FAILED) {
+              if (input.charCodeAt(peg$currPos) === 61) {
+                s4 = peg$c18;
+                peg$currPos++;
+              } else {
+                s4 = peg$FAILED;
+                if (peg$silentFails === 0) { peg$fail(peg$c19); }
+              }
+              if (s4 !== peg$FAILED) {
+                s5 = [];
+                s6 = peg$parseS();
+                while (s6 !== peg$FAILED) {
+                  s5.push(s6);
+                  s6 = peg$parseS();
+                }
+                if (s5 !== peg$FAILED) {
+                  s6 = peg$parsevalue();
+                  if (s6 !== peg$FAILED) {
+                    peg$reportedPos = s0;
+                    s1 = peg$c69(s2, s6);
+                    s0 = s1;
+                  } else {
+                    peg$currPos = s0;
+                    s0 = peg$c2;
+                  }
+                } else {
+                  peg$currPos = s0;
+                  s0 = peg$c2;
+                }
+              } else {
+                peg$currPos = s0;
+                s0 = peg$c2;
+              }
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsesecfragment() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 34,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.charCodeAt(peg$currPos) === 46) {
+        s1 = peg$c16;
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c17); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$parseDIGITS();
+        if (s2 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c70(s2);
+          s0 = s1;
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsedate() {
+      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11;
+
+      var key    = peg$currPos * 49 + 35,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$currPos;
+      s2 = peg$parseDIGIT_OR_UNDER();
+      if (s2 !== peg$FAILED) {
+        s3 = peg$parseDIGIT_OR_UNDER();
+        if (s3 !== peg$FAILED) {
+          s4 = peg$parseDIGIT_OR_UNDER();
+          if (s4 !== peg$FAILED) {
+            s5 = peg$parseDIGIT_OR_UNDER();
+            if (s5 !== peg$FAILED) {
+              if (input.charCodeAt(peg$currPos) === 45) {
+                s6 = peg$c47;
+                peg$currPos++;
+              } else {
+                s6 = peg$FAILED;
+                if (peg$silentFails === 0) { peg$fail(peg$c48); }
+              }
+              if (s6 !== peg$FAILED) {
+                s7 = peg$parseDIGIT_OR_UNDER();
+                if (s7 !== peg$FAILED) {
+                  s8 = peg$parseDIGIT_OR_UNDER();
+                  if (s8 !== peg$FAILED) {
+                    if (input.charCodeAt(peg$currPos) === 45) {
+                      s9 = peg$c47;
+                      peg$currPos++;
+                    } else {
+                      s9 = peg$FAILED;
+                      if (peg$silentFails === 0) { peg$fail(peg$c48); }
+                    }
+                    if (s9 !== peg$FAILED) {
+                      s10 = peg$parseDIGIT_OR_UNDER();
+                      if (s10 !== peg$FAILED) {
+                        s11 = peg$parseDIGIT_OR_UNDER();
+                        if (s11 !== peg$FAILED) {
+                          s2 = [s2, s3, s4, s5, s6, s7, s8, s9, s10, s11];
+                          s1 = s2;
+                        } else {
+                          peg$currPos = s1;
+                          s1 = peg$c2;
+                        }
+                      } else {
+                        peg$currPos = s1;
+                        s1 = peg$c2;
+                      }
+                    } else {
+                      peg$currPos = s1;
+                      s1 = peg$c2;
+                    }
+                  } else {
+                    peg$currPos = s1;
+                    s1 = peg$c2;
+                  }
+                } else {
+                  peg$currPos = s1;
+                  s1 = peg$c2;
+                }
+              } else {
+                peg$currPos = s1;
+                s1 = peg$c2;
+              }
+            } else {
+              peg$currPos = s1;
+              s1 = peg$c2;
+            }
+          } else {
+            peg$currPos = s1;
+            s1 = peg$c2;
+          }
+        } else {
+          peg$currPos = s1;
+          s1 = peg$c2;
+        }
+      } else {
+        peg$currPos = s1;
+        s1 = peg$c2;
+      }
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c71(s1);
+      }
+      s0 = s1;
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsetime() {
+      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
+
+      var key    = peg$currPos * 49 + 36,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$currPos;
+      s2 = peg$parseDIGIT_OR_UNDER();
+      if (s2 !== peg$FAILED) {
+        s3 = peg$parseDIGIT_OR_UNDER();
+        if (s3 !== peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 58) {
+            s4 = peg$c72;
+            peg$currPos++;
+          } else {
+            s4 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c73); }
+          }
+          if (s4 !== peg$FAILED) {
+            s5 = peg$parseDIGIT_OR_UNDER();
+            if (s5 !== peg$FAILED) {
+              s6 = peg$parseDIGIT_OR_UNDER();
+              if (s6 !== peg$FAILED) {
+                if (input.charCodeAt(peg$currPos) === 58) {
+                  s7 = peg$c72;
+                  peg$currPos++;
+                } else {
+                  s7 = peg$FAILED;
+                  if (peg$silentFails === 0) { peg$fail(peg$c73); }
+                }
+                if (s7 !== peg$FAILED) {
+                  s8 = peg$parseDIGIT_OR_UNDER();
+                  if (s8 !== peg$FAILED) {
+                    s9 = peg$parseDIGIT_OR_UNDER();
+                    if (s9 !== peg$FAILED) {
+                      s10 = peg$parsesecfragment();
+                      if (s10 === peg$FAILED) {
+                        s10 = peg$c25;
+                      }
+                      if (s10 !== peg$FAILED) {
+                        s2 = [s2, s3, s4, s5, s6, s7, s8, s9, s10];
+                        s1 = s2;
+                      } else {
+                        peg$currPos = s1;
+                        s1 = peg$c2;
+                      }
+                    } else {
+                      peg$currPos = s1;
+                      s1 = peg$c2;
+                    }
+                  } else {
+                    peg$currPos = s1;
+                    s1 = peg$c2;
+                  }
+                } else {
+                  peg$currPos = s1;
+                  s1 = peg$c2;
+                }
+              } else {
+                peg$currPos = s1;
+                s1 = peg$c2;
+              }
+            } else {
+              peg$currPos = s1;
+              s1 = peg$c2;
+            }
+          } else {
+            peg$currPos = s1;
+            s1 = peg$c2;
+          }
+        } else {
+          peg$currPos = s1;
+          s1 = peg$c2;
+        }
+      } else {
+        peg$currPos = s1;
+        s1 = peg$c2;
+      }
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c74(s1);
+      }
+      s0 = s1;
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsetime_with_offset() {
+      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, s16;
+
+      var key    = peg$currPos * 49 + 37,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$currPos;
+      s2 = peg$parseDIGIT_OR_UNDER();
+      if (s2 !== peg$FAILED) {
+        s3 = peg$parseDIGIT_OR_UNDER();
+        if (s3 !== peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 58) {
+            s4 = peg$c72;
+            peg$currPos++;
+          } else {
+            s4 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c73); }
+          }
+          if (s4 !== peg$FAILED) {
+            s5 = peg$parseDIGIT_OR_UNDER();
+            if (s5 !== peg$FAILED) {
+              s6 = peg$parseDIGIT_OR_UNDER();
+              if (s6 !== peg$FAILED) {
+                if (input.charCodeAt(peg$currPos) === 58) {
+                  s7 = peg$c72;
+                  peg$currPos++;
+                } else {
+                  s7 = peg$FAILED;
+                  if (peg$silentFails === 0) { peg$fail(peg$c73); }
+                }
+                if (s7 !== peg$FAILED) {
+                  s8 = peg$parseDIGIT_OR_UNDER();
+                  if (s8 !== peg$FAILED) {
+                    s9 = peg$parseDIGIT_OR_UNDER();
+                    if (s9 !== peg$FAILED) {
+                      s10 = peg$parsesecfragment();
+                      if (s10 === peg$FAILED) {
+                        s10 = peg$c25;
+                      }
+                      if (s10 !== peg$FAILED) {
+                        if (input.charCodeAt(peg$currPos) === 45) {
+                          s11 = peg$c47;
+                          peg$currPos++;
+                        } else {
+                          s11 = peg$FAILED;
+                          if (peg$silentFails === 0) { peg$fail(peg$c48); }
+                        }
+                        if (s11 === peg$FAILED) {
+                          if (input.charCodeAt(peg$currPos) === 43) {
+                            s11 = peg$c44;
+                            peg$currPos++;
+                          } else {
+                            s11 = peg$FAILED;
+                            if (peg$silentFails === 0) { peg$fail(peg$c45); }
+                          }
+                        }
+                        if (s11 !== peg$FAILED) {
+                          s12 = peg$parseDIGIT_OR_UNDER();
+                          if (s12 !== peg$FAILED) {
+                            s13 = peg$parseDIGIT_OR_UNDER();
+                            if (s13 !== peg$FAILED) {
+                              if (input.charCodeAt(peg$currPos) === 58) {
+                                s14 = peg$c72;
+                                peg$currPos++;
+                              } else {
+                                s14 = peg$FAILED;
+                                if (peg$silentFails === 0) { peg$fail(peg$c73); }
+                              }
+                              if (s14 !== peg$FAILED) {
+                                s15 = peg$parseDIGIT_OR_UNDER();
+                                if (s15 !== peg$FAILED) {
+                                  s16 = peg$parseDIGIT_OR_UNDER();
+                                  if (s16 !== peg$FAILED) {
+                                    s2 = [s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, s15, s16];
+                                    s1 = s2;
+                                  } else {
+                                    peg$currPos = s1;
+                                    s1 = peg$c2;
+                                  }
+                                } else {
+                                  peg$currPos = s1;
+                                  s1 = peg$c2;
+                                }
+                              } else {
+                                peg$currPos = s1;
+                                s1 = peg$c2;
+                              }
+                            } else {
+                              peg$currPos = s1;
+                              s1 = peg$c2;
+                            }
+                          } else {
+                            peg$currPos = s1;
+                            s1 = peg$c2;
+                          }
+                        } else {
+                          peg$currPos = s1;
+                          s1 = peg$c2;
+                        }
+                      } else {
+                        peg$currPos = s1;
+                        s1 = peg$c2;
+                      }
+                    } else {
+                      peg$currPos = s1;
+                      s1 = peg$c2;
+                    }
+                  } else {
+                    peg$currPos = s1;
+                    s1 = peg$c2;
+                  }
+                } else {
+                  peg$currPos = s1;
+                  s1 = peg$c2;
+                }
+              } else {
+                peg$currPos = s1;
+                s1 = peg$c2;
+              }
+            } else {
+              peg$currPos = s1;
+              s1 = peg$c2;
+            }
+          } else {
+            peg$currPos = s1;
+            s1 = peg$c2;
+          }
+        } else {
+          peg$currPos = s1;
+          s1 = peg$c2;
+        }
+      } else {
+        peg$currPos = s1;
+        s1 = peg$c2;
+      }
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c74(s1);
+      }
+      s0 = s1;
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parsedatetime() {
+      var s0, s1, s2, s3, s4;
+
+      var key    = peg$currPos * 49 + 38,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = peg$parsedate();
+      if (s1 !== peg$FAILED) {
+        if (input.charCodeAt(peg$currPos) === 84) {
+          s2 = peg$c75;
+          peg$currPos++;
+        } else {
+          s2 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c76); }
+        }
+        if (s2 !== peg$FAILED) {
+          s3 = peg$parsetime();
+          if (s3 !== peg$FAILED) {
+            if (input.charCodeAt(peg$currPos) === 90) {
+              s4 = peg$c77;
+              peg$currPos++;
+            } else {
+              s4 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c78); }
+            }
+            if (s4 !== peg$FAILED) {
+              peg$reportedPos = s0;
+              s1 = peg$c79(s1, s3);
+              s0 = s1;
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        s1 = peg$parsedate();
+        if (s1 !== peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 84) {
+            s2 = peg$c75;
+            peg$currPos++;
+          } else {
+            s2 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c76); }
+          }
+          if (s2 !== peg$FAILED) {
+            s3 = peg$parsetime_with_offset();
+            if (s3 !== peg$FAILED) {
+              peg$reportedPos = s0;
+              s1 = peg$c80(s1, s3);
+              s0 = s1;
+            } else {
+              peg$currPos = s0;
+              s0 = peg$c2;
+            }
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseS() {
+      var s0;
+
+      var key    = peg$currPos * 49 + 39,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      if (peg$c81.test(input.charAt(peg$currPos))) {
+        s0 = input.charAt(peg$currPos);
+        peg$currPos++;
+      } else {
+        s0 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c82); }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseNL() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 40,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      if (input.charCodeAt(peg$currPos) === 10) {
+        s0 = peg$c83;
+        peg$currPos++;
+      } else {
+        s0 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c84); }
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        if (input.charCodeAt(peg$currPos) === 13) {
+          s1 = peg$c85;
+          peg$currPos++;
+        } else {
+          s1 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c86); }
+        }
+        if (s1 !== peg$FAILED) {
+          if (input.charCodeAt(peg$currPos) === 10) {
+            s2 = peg$c83;
+            peg$currPos++;
+          } else {
+            s2 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c84); }
+          }
+          if (s2 !== peg$FAILED) {
+            s1 = [s1, s2];
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseNLS() {
+      var s0;
+
+      var key    = peg$currPos * 49 + 41,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$parseNL();
+      if (s0 === peg$FAILED) {
+        s0 = peg$parseS();
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseEOF() {
+      var s0, s1;
+
+      var key    = peg$currPos * 49 + 42,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      peg$silentFails++;
+      if (input.length > peg$currPos) {
+        s1 = input.charAt(peg$currPos);
+        peg$currPos++;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c6); }
+      }
+      peg$silentFails--;
+      if (s1 === peg$FAILED) {
+        s0 = peg$c5;
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseHEX() {
+      var s0;
+
+      var key    = peg$currPos * 49 + 43,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      if (peg$c87.test(input.charAt(peg$currPos))) {
+        s0 = input.charAt(peg$currPos);
+        peg$currPos++;
+      } else {
+        s0 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c88); }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseDIGIT_OR_UNDER() {
+      var s0, s1;
+
+      var key    = peg$currPos * 49 + 44,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      if (peg$c89.test(input.charAt(peg$currPos))) {
+        s0 = input.charAt(peg$currPos);
+        peg$currPos++;
+      } else {
+        s0 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c90); }
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        if (input.charCodeAt(peg$currPos) === 95) {
+          s1 = peg$c91;
+          peg$currPos++;
+        } else {
+          s1 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c92); }
+        }
+        if (s1 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c93();
+        }
+        s0 = s1;
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseASCII_BASIC() {
+      var s0;
+
+      var key    = peg$currPos * 49 + 45,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      if (peg$c94.test(input.charAt(peg$currPos))) {
+        s0 = input.charAt(peg$currPos);
+        peg$currPos++;
+      } else {
+        s0 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c95); }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseDIGITS() {
+      var s0, s1, s2;
+
+      var key    = peg$currPos * 49 + 46,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      s1 = [];
+      s2 = peg$parseDIGIT_OR_UNDER();
+      if (s2 !== peg$FAILED) {
+        while (s2 !== peg$FAILED) {
+          s1.push(s2);
+          s2 = peg$parseDIGIT_OR_UNDER();
+        }
+      } else {
+        s1 = peg$c2;
+      }
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c96(s1);
+      }
+      s0 = s1;
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseESCAPED() {
+      var s0, s1;
+
+      var key    = peg$currPos * 49 + 47,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.substr(peg$currPos, 2) === peg$c97) {
+        s1 = peg$c97;
+        peg$currPos += 2;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c98); }
+      }
+      if (s1 !== peg$FAILED) {
+        peg$reportedPos = s0;
+        s1 = peg$c99();
+      }
+      s0 = s1;
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        if (input.substr(peg$currPos, 2) === peg$c100) {
+          s1 = peg$c100;
+          peg$currPos += 2;
+        } else {
+          s1 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c101); }
+        }
+        if (s1 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c102();
+        }
+        s0 = s1;
+        if (s0 === peg$FAILED) {
+          s0 = peg$currPos;
+          if (input.substr(peg$currPos, 2) === peg$c103) {
+            s1 = peg$c103;
+            peg$currPos += 2;
+          } else {
+            s1 = peg$FAILED;
+            if (peg$silentFails === 0) { peg$fail(peg$c104); }
+          }
+          if (s1 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c105();
+          }
+          s0 = s1;
+          if (s0 === peg$FAILED) {
+            s0 = peg$currPos;
+            if (input.substr(peg$currPos, 2) === peg$c106) {
+              s1 = peg$c106;
+              peg$currPos += 2;
+            } else {
+              s1 = peg$FAILED;
+              if (peg$silentFails === 0) { peg$fail(peg$c107); }
+            }
+            if (s1 !== peg$FAILED) {
+              peg$reportedPos = s0;
+              s1 = peg$c108();
+            }
+            s0 = s1;
+            if (s0 === peg$FAILED) {
+              s0 = peg$currPos;
+              if (input.substr(peg$currPos, 2) === peg$c109) {
+                s1 = peg$c109;
+                peg$currPos += 2;
+              } else {
+                s1 = peg$FAILED;
+                if (peg$silentFails === 0) { peg$fail(peg$c110); }
+              }
+              if (s1 !== peg$FAILED) {
+                peg$reportedPos = s0;
+                s1 = peg$c111();
+              }
+              s0 = s1;
+              if (s0 === peg$FAILED) {
+                s0 = peg$currPos;
+                if (input.substr(peg$currPos, 2) === peg$c112) {
+                  s1 = peg$c112;
+                  peg$currPos += 2;
+                } else {
+                  s1 = peg$FAILED;
+                  if (peg$silentFails === 0) { peg$fail(peg$c113); }
+                }
+                if (s1 !== peg$FAILED) {
+                  peg$reportedPos = s0;
+                  s1 = peg$c114();
+                }
+                s0 = s1;
+                if (s0 === peg$FAILED) {
+                  s0 = peg$currPos;
+                  if (input.substr(peg$currPos, 2) === peg$c115) {
+                    s1 = peg$c115;
+                    peg$currPos += 2;
+                  } else {
+                    s1 = peg$FAILED;
+                    if (peg$silentFails === 0) { peg$fail(peg$c116); }
+                  }
+                  if (s1 !== peg$FAILED) {
+                    peg$reportedPos = s0;
+                    s1 = peg$c117();
+                  }
+                  s0 = s1;
+                  if (s0 === peg$FAILED) {
+                    s0 = peg$parseESCAPED_UNICODE();
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+    function peg$parseESCAPED_UNICODE() {
+      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
+
+      var key    = peg$currPos * 49 + 48,
+          cached = peg$cache[key];
+
+      if (cached) {
+        peg$currPos = cached.nextPos;
+        return cached.result;
+      }
+
+      s0 = peg$currPos;
+      if (input.substr(peg$currPos, 2) === peg$c118) {
+        s1 = peg$c118;
+        peg$currPos += 2;
+      } else {
+        s1 = peg$FAILED;
+        if (peg$silentFails === 0) { peg$fail(peg$c119); }
+      }
+      if (s1 !== peg$FAILED) {
+        s2 = peg$currPos;
+        s3 = peg$parseHEX();
+        if (s3 !== peg$FAILED) {
+          s4 = peg$parseHEX();
+          if (s4 !== peg$FAILED) {
+            s5 = peg$parseHEX();
+            if (s5 !== peg$FAILED) {
+              s6 = peg$parseHEX();
+              if (s6 !== peg$FAILED) {
+                s7 = peg$parseHEX();
+                if (s7 !== peg$FAILED) {
+                  s8 = peg$parseHEX();
+                  if (s8 !== peg$FAILED) {
+                    s9 = peg$parseHEX();
+                    if (s9 !== peg$FAILED) {
+                      s10 = peg$parseHEX();
+                      if (s10 !== peg$FAILED) {
+                        s3 = [s3, s4, s5, s6, s7, s8, s9, s10];
+                        s2 = s3;
+                      } else {
+                        peg$currPos = s2;
+                        s2 = peg$c2;
+                      }
+                    } else {
+                      peg$currPos = s2;
+                      s2 = peg$c2;
+                    }
+                  } else {
+                    peg$currPos = s2;
+                    s2 = peg$c2;
+                  }
+                } else {
+                  peg$currPos = s2;
+                  s2 = peg$c2;
+                }
+              } else {
+                peg$currPos = s2;
+                s2 = peg$c2;
+              }
+            } else {
+              peg$currPos = s2;
+              s2 = peg$c2;
+            }
+          } else {
+            peg$currPos = s2;
+            s2 = peg$c2;
+          }
+        } else {
+          peg$currPos = s2;
+          s2 = peg$c2;
+        }
+        if (s2 !== peg$FAILED) {
+          peg$reportedPos = s0;
+          s1 = peg$c120(s2);
+          s0 = s1;
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      } else {
+        peg$currPos = s0;
+        s0 = peg$c2;
+      }
+      if (s0 === peg$FAILED) {
+        s0 = peg$currPos;
+        if (input.substr(peg$currPos, 2) === peg$c121) {
+          s1 = peg$c121;
+          peg$currPos += 2;
+        } else {
+          s1 = peg$FAILED;
+          if (peg$silentFails === 0) { peg$fail(peg$c122); }
+        }
+        if (s1 !== peg$FAILED) {
+          s2 = peg$currPos;
+          s3 = peg$parseHEX();
+          if (s3 !== peg$FAILED) {
+            s4 = peg$parseHEX();
+            if (s4 !== peg$FAILED) {
+              s5 = peg$parseHEX();
+              if (s5 !== peg$FAILED) {
+                s6 = peg$parseHEX();
+                if (s6 !== peg$FAILED) {
+                  s3 = [s3, s4, s5, s6];
+                  s2 = s3;
+                } else {
+                  peg$currPos = s2;
+                  s2 = peg$c2;
+                }
+              } else {
+                peg$currPos = s2;
+                s2 = peg$c2;
+              }
+            } else {
+              peg$currPos = s2;
+              s2 = peg$c2;
+            }
+          } else {
+            peg$currPos = s2;
+            s2 = peg$c2;
+          }
+          if (s2 !== peg$FAILED) {
+            peg$reportedPos = s0;
+            s1 = peg$c120(s2);
+            s0 = s1;
+          } else {
+            peg$currPos = s0;
+            s0 = peg$c2;
+          }
+        } else {
+          peg$currPos = s0;
+          s0 = peg$c2;
+        }
+      }
+
+      peg$cache[key] = { nextPos: peg$currPos, result: s0 };
+
+      return s0;
+    }
+
+
+      var nodes = [];
+
+      function genError(err, line, col) {
+        var ex = new Error(err);
+        ex.line = line;
+        ex.column = col;
+        throw ex;
+      }
+
+      function addNode(node) {
+        nodes.push(node);
+      }
+
+      function node(type, value, line, column, key) {
+        var obj = { type: type, value: value, line: line(), column: column() };
+        if (key) obj.key = key;
+        return obj;
+      }
+
+      function convertCodePoint(str, line, col) {
+        var num = parseInt("0x" + str);
+
+        if (
+          !isFinite(num) ||
+          Math.floor(num) != num ||
+          num < 0 ||
+          num > 0x10FFFF ||
+          (num > 0xD7FF && num < 0xE000)
+        ) {
+          genError("Invalid Unicode escape code: " + str, line, col);
+        } else {
+          return fromCodePoint(num);
+        }
+      }
+
+      function fromCodePoint() {
+        var MAX_SIZE = 0x4000;
+        var codeUnits = [];
+        var highSurrogate;
+        var lowSurrogate;
+        var index = -1;
+        var length = arguments.length;
+        if (!length) {
+          return '';
+        }
+        var result = '';
+        while (++index < length) {
+          var codePoint = Number(arguments[index]);
+          if (codePoint <= 0xFFFF) { // BMP code point
+            codeUnits.push(codePoint);
+          } else { // Astral code point; split in surrogate halves
+            // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+            codePoint -= 0x10000;
+            highSurrogate = (codePoint >> 10) + 0xD800;
+            lowSurrogate = (codePoint % 0x400) + 0xDC00;
+            codeUnits.push(highSurrogate, lowSurrogate);
+          }
+          if (index + 1 == length || codeUnits.length > MAX_SIZE) {
+            result += String.fromCharCode.apply(null, codeUnits);
+            codeUnits.length = 0;
+          }
+        }
+        return result;
+      }
+
+
+    peg$result = peg$startRuleFunction();
+
+    if (peg$result !== peg$FAILED && peg$currPos === input.length) {
+      return peg$result;
+    } else {
+      if (peg$result !== peg$FAILED && peg$currPos < input.length) {
+        peg$fail({ type: "end", description: "end of input" });
+      }
+
+      throw peg$buildException(null, peg$maxFailExpected, peg$maxFailPos);
+    }
+  }
+
+  return {
+    SyntaxError: SyntaxError,
+    parse:       parse
+  };
+})();
+
+
 /***/ }),
 
 /***/ 770:
@@ -34477,16 +38544,15 @@ function tryGetFromToolCache(arch, version) {
 }
 function downloadVersion(platform, arch, version, checkSum, githubToken) {
     return __awaiter(this, void 0, void 0, function* () {
-        const resolvedVersion = yield resolveVersion(version, githubToken);
         const artifact = `ruff-${arch}-${platform}`;
         let extension = ".tar.gz";
         if (platform === "pc-windows-msvc") {
             extension = ".zip";
         }
-        const downloadUrl = `https://github.com/${constants_1.OWNER}/${constants_1.REPO}/releases/download/${resolvedVersion}/${artifact}${extension}`;
+        const downloadUrl = `https://github.com/${constants_1.OWNER}/${constants_1.REPO}/releases/download/${version}/${artifact}${extension}`;
         core.info(`Downloading ruff from "${downloadUrl}" ...`);
         const downloadPath = yield tc.downloadTool(downloadUrl, undefined, githubToken);
-        yield (0, checksum_1.validateChecksum)(checkSum, downloadPath, arch, platform, resolvedVersion);
+        yield (0, checksum_1.validateChecksum)(checkSum, downloadPath, arch, platform, version);
         let ruffDir;
         if (platform === "pc-windows-msvc") {
             const fullPathWithExtension = `${downloadPath}${extension}`;
@@ -34498,8 +38564,8 @@ function downloadVersion(platform, arch, version, checkSum, githubToken) {
             const extractedDir = yield tc.extractTar(downloadPath);
             ruffDir = path.join(extractedDir, artifact);
         }
-        const cachedToolDir = yield tc.cacheDir(ruffDir, constants_1.TOOL_CACHE_NAME, resolvedVersion, arch);
-        return { version: resolvedVersion, cachedToolDir };
+        const cachedToolDir = yield tc.cacheDir(ruffDir, constants_1.TOOL_CACHE_NAME, version, arch);
+        return { version: version, cachedToolDir };
     });
 }
 function resolveVersion(versionInput, githubToken) {
@@ -34600,6 +38666,8 @@ const path = __importStar(__nccwpck_require__(6760));
 const download_version_1 = __nccwpck_require__(8255);
 const platforms_1 = __nccwpck_require__(8361);
 const inputs_1 = __nccwpck_require__(9612);
+const pyproject_1 = __nccwpck_require__(3929);
+const fs = __importStar(__nccwpck_require__(3024));
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         const platform = (0, platforms_1.getPlatform)();
@@ -34611,7 +38679,7 @@ function run() {
             if (arch === undefined) {
                 throw new Error(`Unsupported architecture: ${process.arch}`);
             }
-            const setupResult = yield setupRuff(platform, arch, inputs_1.version, inputs_1.checkSum, inputs_1.githubToken);
+            const setupResult = yield setupRuff(platform, arch, inputs_1.checkSum, inputs_1.githubToken);
             addRuffToPath(setupResult.ruffDir);
             setOutputFormat();
             addMatchers();
@@ -34625,9 +38693,9 @@ function run() {
         }
     });
 }
-function setupRuff(platform, arch, versionInput, checkSum, githubToken) {
+function setupRuff(platform, arch, checkSum, githubToken) {
     return __awaiter(this, void 0, void 0, function* () {
-        const resolvedVersion = yield (0, download_version_1.resolveVersion)(versionInput, githubToken);
+        const resolvedVersion = yield determineVersion();
         const toolCacheResult = (0, download_version_1.tryGetFromToolCache)(arch, resolvedVersion);
         if (toolCacheResult.installedPath) {
             core.info(`Found ruffDir in tool-cache for ${toolCacheResult.version}`);
@@ -34643,6 +38711,29 @@ function setupRuff(platform, arch, versionInput, checkSum, githubToken) {
         };
     });
 }
+function determineVersion() {
+    return __awaiter(this, void 0, void 0, function* () {
+        if (inputs_1.versionFile !== "" && inputs_1.version !== "") {
+            throw Error("It is not allowed to specify both version and version-file");
+        }
+        if (inputs_1.version !== "") {
+            return yield (0, download_version_1.resolveVersion)(inputs_1.version, inputs_1.githubToken);
+        }
+        if (inputs_1.versionFile !== "") {
+            const versionFromPyproject = (0, pyproject_1.getRuffVersionFromPyproject)(inputs_1.versionFile);
+            if (versionFromPyproject === undefined) {
+                core.warning("Could not parse version from supplied pyproject.toml. Using latest version.");
+                return yield (0, download_version_1.resolveVersion)("latest", inputs_1.githubToken);
+            }
+        }
+        const pyProjectPath = path.join(inputs_1.src, "pyproject.toml");
+        if (!fs.existsSync(pyProjectPath)) {
+            return yield (0, download_version_1.resolveVersion)("latest", inputs_1.githubToken);
+        }
+        const versionFromPyproject = (0, pyproject_1.getRuffVersionFromPyproject)(pyProjectPath);
+        return yield (0, download_version_1.resolveVersion)(versionFromPyproject || "latest", inputs_1.githubToken);
+    });
+}
 function addRuffToPath(cachedPath) {
     core.addPath(cachedPath);
     core.info(`Added ${cachedPath} to the path`);
@@ -34720,13 +38811,14 @@ var __importStar = (this && this.__importStar) || (function () {
     };
 })();
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.src = exports.args = exports.githubToken = exports.checkSum = exports.version = void 0;
+exports.versionFile = exports.src = exports.args = exports.githubToken = exports.checkSum = exports.version = void 0;
 const core = __importStar(__nccwpck_require__(7484));
 exports.version = core.getInput("version");
 exports.checkSum = core.getInput("checksum");
 exports.githubToken = core.getInput("github-token");
 exports.args = core.getInput("args");
 exports.src = core.getInput("src");
+exports.versionFile = core.getInput("version-file");
 
 
 /***/ }),
@@ -34763,6 +38855,72 @@ function getPlatform() {
 }
 
 
+/***/ }),
+
+/***/ 3929:
+/***/ (function(__unused_webpack_module, exports, __nccwpck_require__) {
+
+"use strict";
+
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || (function () {
+    var ownKeys = function(o) {
+        ownKeys = Object.getOwnPropertyNames || function (o) {
+            var ar = [];
+            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
+            return ar;
+        };
+        return ownKeys(o);
+    };
+    return function (mod) {
+        if (mod && mod.__esModule) return mod;
+        var result = {};
+        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
+        __setModuleDefault(result, mod);
+        return result;
+    };
+})();
+Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.getRuffVersionFromPyproject = getRuffVersionFromPyproject;
+const fs = __importStar(__nccwpck_require__(3024));
+const core = __importStar(__nccwpck_require__(7484));
+const toml = __importStar(__nccwpck_require__(2132));
+function getRuffVersionFromPyproject(filePath) {
+    var _a, _b, _c;
+    const pyprojectContent = fs.readFileSync(filePath, "utf-8");
+    const pyproject = toml.parse(pyprojectContent);
+    const dependencies = ((_a = pyproject.project) === null || _a === void 0 ? void 0 : _a.dependencies) || [];
+    const devDependencies = ((_b = pyproject["dependency-groups"]) === null || _b === void 0 ? void 0 : _b.dev) || [];
+    const ruffVersionDefinition = dependencies.find((dep) => dep.startsWith("ruff")) ||
+        devDependencies.find((dep) => dep.startsWith("ruff"));
+    if (ruffVersionDefinition) {
+        const ruffVersion = (_c = ruffVersionDefinition
+            .match(/^ruff([^A-Z0-9._-]+.*)$/)) === null || _c === void 0 ? void 0 : _c[1].trim();
+        if (ruffVersion === null || ruffVersion === void 0 ? void 0 : ruffVersion.startsWith("==")) {
+            return ruffVersion.slice(2);
+        }
+        core.info(`Found ruff version in pyproject.toml: ${ruffVersion}`);
+        return ruffVersion;
+    }
+    return undefined;
+}
+
+
 /***/ }),
 
 /***/ 2613:
diff --git a/package-lock.json b/package-lock.json
index 73390f0..8abe58d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,8 @@
         "@actions/core": "^1.11.1",
         "@actions/exec": "^1.1.1",
         "@actions/github": "^6.0.0",
-        "@actions/tool-cache": "^2.0.1"
+        "@actions/tool-cache": "^2.0.1",
+        "toml": "^3.0.0"
       },
       "devDependencies": {
         "@biomejs/biome": "1.9.4",
@@ -453,6 +454,11 @@
         "semver": "bin/semver.js"
       }
     },
+    "node_modules/toml": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/toml/-/toml-3.0.0.tgz",
+      "integrity": "sha512-y/mWCZinnvxjTKYhJ+pYxwD0mRLVvOtdS2Awbgxln6iEnt4rk0yBxeSBHkGJcPucRiG0e55mwWp+g/05rsrd6w=="
+    },
     "node_modules/tunnel": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/tunnel/-/tunnel-0.0.6.tgz",
diff --git a/package.json b/package.json
index c485fb9..bee93b8 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,8 @@
     "@actions/core": "^1.11.1",
     "@actions/exec": "^1.1.1",
     "@actions/github": "^6.0.0",
-    "@actions/tool-cache": "^2.0.1"
+    "@actions/tool-cache": "^2.0.1",
+    "toml": "^3.0.0"
   },
   "devDependencies": {
     "@biomejs/biome": "1.9.4",
diff --git a/src/download/download-version.ts b/src/download/download-version.ts
index bb3fd0d..4b9b7c6 100644
--- a/src/download/download-version.ts
+++ b/src/download/download-version.ts
@@ -29,13 +29,12 @@ export async function downloadVersion(
   checkSum: string | undefined,
   githubToken: string,
 ): Promise<{ version: string; cachedToolDir: string }> {
-  const resolvedVersion = await resolveVersion(version, githubToken);
   const artifact = `ruff-${arch}-${platform}`;
   let extension = ".tar.gz";
   if (platform === "pc-windows-msvc") {
     extension = ".zip";
   }
-  const downloadUrl = `https://github.com/${OWNER}/${REPO}/releases/download/${resolvedVersion}/${artifact}${extension}`;
+  const downloadUrl = `https://github.com/${OWNER}/${REPO}/releases/download/${version}/${artifact}${extension}`;
   core.info(`Downloading ruff from "${downloadUrl}" ...`);
 
   const downloadPath = await tc.downloadTool(
@@ -43,13 +42,7 @@ export async function downloadVersion(
     undefined,
     githubToken,
   );
-  await validateChecksum(
-    checkSum,
-    downloadPath,
-    arch,
-    platform,
-    resolvedVersion,
-  );
+  await validateChecksum(checkSum, downloadPath, arch, platform, version);
 
   let ruffDir: string;
   if (platform === "pc-windows-msvc") {
@@ -64,10 +57,10 @@ export async function downloadVersion(
   const cachedToolDir = await tc.cacheDir(
     ruffDir,
     TOOL_CACHE_NAME,
-    resolvedVersion,
+    version,
     arch,
   );
-  return { version: resolvedVersion, cachedToolDir };
+  return { version: version, cachedToolDir };
 }
 
 export async function resolveVersion(
diff --git a/src/ruff-action.ts b/src/ruff-action.ts
index 38424f0..fb5e3e8 100644
--- a/src/ruff-action.ts
+++ b/src/ruff-action.ts
@@ -13,7 +13,16 @@ import {
   getPlatform,
   type Platform,
 } from "./utils/platforms";
-import { args, checkSum, githubToken, src, version } from "./utils/inputs";
+import {
+  args,
+  checkSum,
+  githubToken,
+  src,
+  version,
+  versionFile as versionFileInput,
+} from "./utils/inputs";
+import { getRuffVersionFromPyproject } from "./utils/pyproject";
+import * as fs from "node:fs";
 
 async function run(): Promise<void> {
   const platform = getPlatform();
@@ -26,13 +35,7 @@ async function run(): Promise<void> {
     if (arch === undefined) {
       throw new Error(`Unsupported architecture: ${process.arch}`);
     }
-    const setupResult = await setupRuff(
-      platform,
-      arch,
-      version,
-      checkSum,
-      githubToken,
-    );
+    const setupResult = await setupRuff(platform, arch, checkSum, githubToken);
 
     addRuffToPath(setupResult.ruffDir);
     setOutputFormat();
@@ -55,11 +58,10 @@ async function run(): Promise<void> {
 async function setupRuff(
   platform: Platform,
   arch: Architecture,
-  versionInput: string,
   checkSum: string | undefined,
   githubToken: string,
 ): Promise<{ ruffDir: string; version: string }> {
-  const resolvedVersion = await resolveVersion(versionInput, githubToken);
+  const resolvedVersion = await determineVersion();
   const toolCacheResult = tryGetFromToolCache(arch, resolvedVersion);
   if (toolCacheResult.installedPath) {
     core.info(`Found ruffDir in tool-cache for ${toolCacheResult.version}`);
@@ -83,6 +85,30 @@ async function setupRuff(
   };
 }
 
+async function determineVersion(): Promise<string> {
+  if (versionFileInput !== "" && version !== "") {
+    throw Error("It is not allowed to specify both version and version-file");
+  }
+  if (version !== "") {
+    return await resolveVersion(version, githubToken);
+  }
+  if (versionFileInput !== "") {
+    const versionFromPyproject = getRuffVersionFromPyproject(versionFileInput);
+    if (versionFromPyproject === undefined) {
+      core.warning(
+        "Could not parse version from supplied pyproject.toml. Using latest version.",
+      );
+      return await resolveVersion("latest", githubToken);
+    }
+  }
+  const pyProjectPath = path.join(src, "pyproject.toml");
+  if (!fs.existsSync(pyProjectPath)) {
+    return await resolveVersion("latest", githubToken);
+  }
+  const versionFromPyproject = getRuffVersionFromPyproject(pyProjectPath);
+  return await resolveVersion(versionFromPyproject || "latest", githubToken);
+}
+
 function addRuffToPath(cachedPath: string): void {
   core.addPath(cachedPath);
   core.info(`Added ${cachedPath} to the path`);
diff --git a/src/utils/inputs.ts b/src/utils/inputs.ts
index 26b9a29..6b59b93 100644
--- a/src/utils/inputs.ts
+++ b/src/utils/inputs.ts
@@ -5,3 +5,4 @@ export const checkSum = core.getInput("checksum");
 export const githubToken = core.getInput("github-token");
 export const args = core.getInput("args");
 export const src = core.getInput("src");
+export const versionFile = core.getInput("version-file");
diff --git a/src/utils/pyproject.ts b/src/utils/pyproject.ts
new file mode 100644
index 0000000..ad0c778
--- /dev/null
+++ b/src/utils/pyproject.ts
@@ -0,0 +1,30 @@
+import * as fs from "node:fs";
+import * as core from "@actions/core";
+import * as toml from "toml";
+
+export function getRuffVersionFromPyproject(
+  filePath: string,
+): string | undefined {
+  const pyprojectContent = fs.readFileSync(filePath, "utf-8");
+  const pyproject = toml.parse(pyprojectContent);
+
+  const dependencies: string[] = pyproject.project?.dependencies || [];
+  const devDependencies: string[] = pyproject["dependency-groups"]?.dev || [];
+
+  const ruffVersionDefinition =
+    dependencies.find((dep: string) => dep.startsWith("ruff")) ||
+    devDependencies.find((dep: string) => dep.startsWith("ruff"));
+
+  if (ruffVersionDefinition) {
+    const ruffVersion = ruffVersionDefinition
+      .match(/^ruff([^A-Z0-9._-]+.*)$/)?.[1]
+      .trim();
+    if (ruffVersion?.startsWith("==")) {
+      return ruffVersion.slice(2);
+    }
+    core.info(`Found ruff version in pyproject.toml: ${ruffVersion}`);
+    return ruffVersion;
+  }
+
+  return undefined;
+}