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| <div id="overview"><a href="../../../../../../apidocs/org/apache/velocity/runtime/parser/TokenMgrError.html">View Javadoc</a></div><pre> |
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| <a name="1" href="#1">1</a> <em class="jxr_comment">/*<em class="jxr_comment"> Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 3.0 */</em></em>
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| <a name="2" href="#2">2</a> <strong class="jxr_keyword">package</strong> org.apache.velocity.runtime.parser;
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| <a name="3" href="#3">3</a>
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| <a name="4" href="#4">4</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/velocity/runtime/parser/TokenMgrError.html">TokenMgrError</a> <strong class="jxr_keyword">extends</strong> Error
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| <a name="5" href="#5">5</a> {
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| <a name="6" href="#6">6</a> <em class="jxr_comment">/*</em>
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| <a name="7" href="#7">7</a> <em class="jxr_comment"> * Ordinals for various reasons why an Error of this type can be thrown.</em>
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| <a name="8" href="#8">8</a> <em class="jxr_comment"> */</em>
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| <a name="9" href="#9">9</a>
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| <a name="10" href="#10">10</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="11" href="#11">11</a> <em class="jxr_javadoccomment"> * Lexical error occured.</em>
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| <a name="12" href="#12">12</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="13" href="#13">13</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> LEXICAL_ERROR = 0;
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| <a name="14" href="#14">14</a>
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| <a name="15" href="#15">15</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="16" href="#16">16</a> <em class="jxr_javadoccomment"> * An attempt wass made to create a second instance of a static token manager.</em>
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| <a name="17" href="#17">17</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="18" href="#18">18</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> STATIC_LEXER_ERROR = 1;
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| <a name="19" href="#19">19</a>
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| <a name="20" href="#20">20</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="21" href="#21">21</a> <em class="jxr_javadoccomment"> * Tried to change to an invalid lexical state.</em>
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| <a name="22" href="#22">22</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="23" href="#23">23</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> INVALID_LEXICAL_STATE = 2;
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| <a name="24" href="#24">24</a>
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| <a name="25" href="#25">25</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="26" href="#26">26</a> <em class="jxr_javadoccomment"> * Detected (and bailed out of) an infinite loop in the token manager.</em>
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| <a name="27" href="#27">27</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="28" href="#28">28</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> LOOP_DETECTED = 3;
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| <a name="29" href="#29">29</a>
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| <a name="30" href="#30">30</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * Indicates the reason why the exception is thrown. It will have</em>
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| <a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * one of the above 4 values.</em>
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| <a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="34" href="#34">34</a> <strong class="jxr_keyword">int</strong> errorCode;
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| <a name="35" href="#35">35</a>
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| <a name="36" href="#36">36</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * Replaces unprintable characters by their espaced (or unicode escaped)</em>
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| <a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * equivalents in the given string</em>
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| <a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="40" href="#40">40</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String addEscapes(String str) {
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| <a name="41" href="#41">41</a> StringBuffer retval = <strong class="jxr_keyword">new</strong> StringBuffer();
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| <a name="42" href="#42">42</a> <strong class="jxr_keyword">char</strong> ch;
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| <a name="43" href="#43">43</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < str.length(); i++) {
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| <a name="44" href="#44">44</a> <strong class="jxr_keyword">switch</strong> (str.charAt(i))
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| <a name="45" href="#45">45</a> {
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| <a name="46" href="#46">46</a> <strong class="jxr_keyword">case</strong> 0 :
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| <a name="47" href="#47">47</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="48" href="#48">48</a> <strong class="jxr_keyword">case</strong> '\b':
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| <a name="49" href="#49">49</a> retval.append(<span class="jxr_string">"\\b"</span>);
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| <a name="50" href="#50">50</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="51" href="#51">51</a> <strong class="jxr_keyword">case</strong> '\t':
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| <a name="52" href="#52">52</a> retval.append(<span class="jxr_string">"\\t"</span>);
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| <a name="53" href="#53">53</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="54" href="#54">54</a> <strong class="jxr_keyword">case</strong> '\n':
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| <a name="55" href="#55">55</a> retval.append(<span class="jxr_string">"\\n"</span>);
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| <a name="56" href="#56">56</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="57" href="#57">57</a> <strong class="jxr_keyword">case</strong> '\f':
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| <a name="58" href="#58">58</a> retval.append(<span class="jxr_string">"\\f"</span>);
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| <a name="59" href="#59">59</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="60" href="#60">60</a> <strong class="jxr_keyword">case</strong> '\r':
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| <a name="61" href="#61">61</a> retval.append(<span class="jxr_string">"\\r"</span>);
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| <a name="62" href="#62">62</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="63" href="#63">63</a> <strong class="jxr_keyword">case</strong> '\"':
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| <a name="64" href="#64">64</a> retval.append(<span class="jxr_string">"\\\""</span>);
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| <a name="65" href="#65">65</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="66" href="#66">66</a> <strong class="jxr_keyword">case</strong> '\'':
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| <a name="67" href="#67">67</a> retval.append(<span class="jxr_string">"\\\'"</span>);
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| <a name="68" href="#68">68</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="69" href="#69">69</a> <strong class="jxr_keyword">case</strong> '\\':
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| <a name="70" href="#70">70</a> retval.append(<span class="jxr_string">"\\\\"</span>);
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| <a name="71" href="#71">71</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="72" href="#72">72</a> <strong class="jxr_keyword">default</strong>:
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| <a name="73" href="#73">73</a> <strong class="jxr_keyword">if</strong> ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
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| <a name="74" href="#74">74</a> String s = <span class="jxr_string">"0000"</span> + Integer.toString(ch, 16);
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| <a name="75" href="#75">75</a> retval.append(<span class="jxr_string">"\\u"</span> + s.substring(s.length() - 4, s.length()));
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| <a name="76" href="#76">76</a> } <strong class="jxr_keyword">else</strong> {
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| <a name="77" href="#77">77</a> retval.append(ch);
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| <a name="78" href="#78">78</a> }
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| <a name="79" href="#79">79</a> <strong class="jxr_keyword">continue</strong>;
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| <a name="80" href="#80">80</a> }
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| <a name="81" href="#81">81</a> }
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| <a name="82" href="#82">82</a> <strong class="jxr_keyword">return</strong> retval.toString();
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| <a name="83" href="#83">83</a> }
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| <a name="84" href="#84">84</a>
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| <a name="85" href="#85">85</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="86" href="#86">86</a> <em class="jxr_javadoccomment"> * Returns a detailed message for the Error when it is thrown by the</em>
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| <a name="87" href="#87">87</a> <em class="jxr_javadoccomment"> * token manager to indicate a lexical error.</em>
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| <a name="88" href="#88">88</a> <em class="jxr_javadoccomment"> * Parameters :</em>
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| <a name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * EOFSeen : indicates if EOF caused the lexicl error</em>
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| <a name="90" href="#90">90</a> <em class="jxr_javadoccomment"> * curLexState : lexical state in which this error occured</em>
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| <a name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * errorLine : line number when the error occured</em>
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| <a name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * errorColumn : column number when the error occured</em>
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| <a name="93" href="#93">93</a> <em class="jxr_javadoccomment"> * errorAfter : prefix that was seen before this error occured</em>
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| <a name="94" href="#94">94</a> <em class="jxr_javadoccomment"> * curchar : the offending character</em>
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| <a name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * Note: You can customize the lexical error message by modifying this method.</em>
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| <a name="96" href="#96">96</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="97" href="#97">97</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> String LexicalError(<strong class="jxr_keyword">boolean</strong> EOFSeen, <strong class="jxr_keyword">int</strong> lexState, <strong class="jxr_keyword">int</strong> errorLine, <strong class="jxr_keyword">int</strong> errorColumn, String errorAfter, <strong class="jxr_keyword">char</strong> curChar) {
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| <a name="98" href="#98">98</a> <strong class="jxr_keyword">return</strong>(<span class="jxr_string">"Lexical error at line "</span> +
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| <a name="99" href="#99">99</a> errorLine + <span class="jxr_string">", column "</span> +
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| <a name="100" href="#100">100</a> errorColumn + <span class="jxr_string">". Encountered: "</span> +
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| <a name="101" href="#101">101</a> (EOFSeen ? <span class="jxr_string">"<EOF> "</span> : (<span class="jxr_string">"\""</span> + addEscapes(String.valueOf(curChar)) + <span class="jxr_string">"\""</span>) + <span class="jxr_string">" ("</span> + (<strong class="jxr_keyword">int</strong>)curChar + <span class="jxr_string">"), "</span>) +
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| <a name="102" href="#102">102</a> <span class="jxr_string">"after : \""</span> + addEscapes(errorAfter) + <span class="jxr_string">"\""</span>);
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| <a name="103" href="#103">103</a> }
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| <a name="104" href="#104">104</a>
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| <a name="105" href="#105">105</a> <em class="jxr_javadoccomment">/**</em>
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| <a name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * You can also modify the body of this method to customize your error messages.</em>
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| <a name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not</em>
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| <a name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * of end-users concern, so you can return something like :</em>
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| <a name="109" href="#109">109</a> <em class="jxr_javadoccomment"> *</em>
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| <a name="110" href="#110">110</a> <em class="jxr_javadoccomment"> * "Internal Error : Please file a bug report .... "</em>
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| <a name="111" href="#111">111</a> <em class="jxr_javadoccomment"> *</em>
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| <a name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * from this method for such cases in the release version of your parser.</em>
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| <a name="113" href="#113">113</a> <em class="jxr_javadoccomment"> */</em>
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| <a name="114" href="#114">114</a> <strong class="jxr_keyword">public</strong> String getMessage() {
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| <a name="115" href="#115">115</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">super</strong>.getMessage();
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| <a name="116" href="#116">116</a> }
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| <a name="117" href="#117">117</a>
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| <a name="118" href="#118">118</a> <em class="jxr_comment">/*</em>
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| <a name="119" href="#119">119</a> <em class="jxr_comment"> * Constructors of various flavors follow.</em>
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| <a name="120" href="#120">120</a> <em class="jxr_comment"> */</em>
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| <a name="121" href="#121">121</a>
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| <a name="122" href="#122">122</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/velocity/runtime/parser/TokenMgrError.html">TokenMgrError</a>() {
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| <a name="123" href="#123">123</a> }
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| <a name="124" href="#124">124</a>
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| <a name="125" href="#125">125</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/velocity/runtime/parser/TokenMgrError.html">TokenMgrError</a>(String message, <strong class="jxr_keyword">int</strong> reason) {
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| <a name="126" href="#126">126</a> <strong class="jxr_keyword">super</strong>(message);
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| <a name="127" href="#127">127</a> errorCode = reason;
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| <a name="128" href="#128">128</a> }
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| <a name="129" href="#129">129</a>
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| <a name="130" href="#130">130</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/velocity/runtime/parser/TokenMgrError.html">TokenMgrError</a>(<strong class="jxr_keyword">boolean</strong> EOFSeen, <strong class="jxr_keyword">int</strong> lexState, <strong class="jxr_keyword">int</strong> errorLine, <strong class="jxr_keyword">int</strong> errorColumn, String errorAfter, <strong class="jxr_keyword">char</strong> curChar, <strong class="jxr_keyword">int</strong> reason) {
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| <a name="131" href="#131">131</a> <strong class="jxr_keyword">this</strong>(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
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| <a name="132" href="#132">132</a> }
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| <a name="133" href="#133">133</a> }
|
| </pre> |
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