German language support in the parser

xerxesb · Nov 9, 2009 · 322b722 · 322b722
1 parent c1bf5e3
commit 322b722
Show file tree

Hide file tree

Showing 24 changed files with 8,442 additions and 2,431 deletions.
diff --git a/Parser/Grammar/ErrorReporting.cs b/Parser/Grammar/ErrorReporting.cs
@@ -22,21 +22,4 @@ public override void EmitErrorMessage(string msg)
             ParserErrors.Add(msg);
         }
     }
-
-    partial class SpecFlowLangLexer
-    {
-        public readonly List<string> LexerErrors = new List<string>();
-
-        //public override void DisplayRecognitionError(string[] tokenNames, Antlr.Runtime.RecognitionException e)
-        //{
-        //    this.EmitErrorMessage(
-        //        string.Format("({0},{1}): lexer error: {2}", e.Line, e.CharPositionInLine, this.GetErrorMessage(e, tokenNames)));
-        //}
-
-        //public override void EmitErrorMessage(string msg)
-        //{
-        //    Debug.WriteLine(msg);
-        //    //LexerErrors.Add(msg);
-        //}
-    }
 }
diff --git a/Parser/Grammar/LexerTransformation.xslt b/Parser/Grammar/LexerTransformation.xslt
@@ -0,0 +1,119 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+    xmlns:msxsl="urn:schemas-microsoft-com:xslt"
+    xmlns:user="http://mycompany.com/mynamespace"
+    exclude-result-prefixes="msxsl"
+  >
+  <xsl:output method="text" indent="no" encoding="utf-8"/>
+  <xsl:param name="language" select="'de'" />
+
+  <msxsl:script language="JScript" implements-prefix="user">
+    <![CDATA[
+    function lpad(text, padString, length) {
+	    var str = text;
+        while (str.length < length)
+            str = padString + str;
+        return str;
+    }
+    
+    function replaceUnicode(text) {
+    
+      var result = "";
+      for (var i = 0; i < text.length; i++) {
+        var charCode = text.charCodeAt(i);
+        if (charCode < 128)
+          result += text.charAt(i);
+        else 
+          result += "\\u" + lpad(text.charCodeAt(i).toString(16), "0", 4);
+      }
+      return "" + result; // "" is needed to workatound msxsl compiler issue
+    }
+    ]]>
+  </msxsl:script>
+
+  <xsl:template match="/">
+    <xsl:apply-templates select="//Language[@code = $language]" />
+  </xsl:template>
+
+  <xsl:template match="Language">
+    lexer grammar SpecFlowLangLexer_<xsl:value-of select="@code"/>;
+
+    options {
+    language = CSharp2;
+    filter=true;
+    superClass = SpecFlowLangLexer;
+    }
+
+    @lexer::namespace { TechTalk.SpecFlow.Parser.Grammar }
+
+    fragment WSCHAR     : (' '|'\t');
+    fragment NONWCHR    : (' '|'\t'|'\r'|'\n'|'#'|'@');
+    fragment NEWLINECHR : ('\r'|'\n');
+    fragment NONNLCHR   : ('\u0000'..'\t')|('\u000B'..'\f')|('\u000E'..'\uFFFF');
+
+
+    T_FEATURE : <xsl:call-template name="token-list">
+      <xsl:with-param name="nodes" select="Feature" />
+    </xsl:call-template>;
+    T_BACKGROUND : <xsl:call-template name="token-list">
+    <xsl:with-param name="nodes" select="Background" />
+  </xsl:call-template>;
+    T_SCENARIO : <xsl:call-template name="token-list">
+    <xsl:with-param name="nodes" select="Scenario" />
+  </xsl:call-template>;
+    T_SCENARIO_OUTLINE : <xsl:call-template name="token-list">
+    <xsl:with-param name="nodes" select="ScenarioOutline" />
+  </xsl:call-template>;
+    T_EXAMPLES : <xsl:call-template name="token-list">
+    <xsl:with-param name="nodes" select="Examples" />
+  </xsl:call-template>;
+    T_GIVEN : <xsl:call-template name="token-list">
+    <xsl:with-param name="nodes" select="Given" />
+    <xsl:with-param name="postfix" select="''" />
+  </xsl:call-template>;
+    T_WHEN : <xsl:call-template name="token-list">
+    <xsl:with-param name="nodes" select="When" />
+      <xsl:with-param name="postfix" select="''" />
+    </xsl:call-template>;
+    T_THEN : <xsl:call-template name="token-list">
+    <xsl:with-param name="nodes" select="Then" />
+      <xsl:with-param name="postfix" select="''" />
+    </xsl:call-template>;
+    T_AND : <xsl:call-template name="token-list">
+    <xsl:with-param name="nodes" select="And" />
+    <xsl:with-param name="postfix" select="''" />
+  </xsl:call-template>;
+    T_BUT : <xsl:call-template name="token-list">
+    <xsl:with-param name="nodes" select="But" />
+    <xsl:with-param name="postfix" select="''" />
+  </xsl:call-template>;
+
+    MLTEXT		: '"""';
+    CELLSEP		: '|';
+    AT          : '@';
+    COMMENT     : WSCHAR* '#' NONNLCHR* { $channel = Token.HIDDEN_CHANNEL; };
+    WS          : WSCHAR+;
+    NEWLINE     : '\r\n' | '\n';
+    WORDCHAR    : (('\u0000'..'\b')
+    | ('\u000B'..'\f')
+    | ('\u000E'..'\u001F')
+    | ('!'..'"')
+    | ('$'..'?')
+    | ('A'..'\uFFFF'))+ ;
+  </xsl:template>
+
+  <xsl:template name="token-list">
+    <xsl:param name="nodes" />
+    <xsl:param name="postfix" select="':'" />
+
+    <xsl:for-each select="$nodes">
+      <xsl:if test="position() > 1">
+        <xsl:text>|</xsl:text>
+      </xsl:if>
+      <xsl:text>'</xsl:text>
+      <xsl:value-of select="user:replaceUnicode(string(.))"/>
+      <xsl:value-of select="$postfix"/>
+      <xsl:text>'</xsl:text>
+    </xsl:for-each>
+  </xsl:template>
+</xsl:stylesheet>