コード例 #1
0
ファイル: OneParserTest.cs プロジェクト: lydonchandra/Loyc
        protected void DoTest(string Input, bool untilEnd, string expected)
        {
            // Lex and filter the input, then wrap it in an EnumerableSource and parse it
            StringCharSourceFile  input = new StringCharSourceFile(Input);
            IEnumerable <AstNode> lexer;

            if (untilEnd)
            {
                lexer = new BooLexerCore(input, new Dictionary <string, Symbol>());
            }
            else
            {
                lexer = new BooLexer(input, new Dictionary <string, Symbol>(), true);
            }
            IEnumerable <AstNode>      lexFilter = new VisibleTokenFilter <AstNode>(lexer);
            EnumerableSource <AstNode> source    = new EnumerableSource <AstNode>(lexFilter);
            int pos = 0;
            OneOperatorMatch <AstNode> expr = _parser.Parse((IParserSource <AstNode>)source, ref pos, untilEnd);

            // Build result string
            Assert.IsNotNull(expr);
            string result = BuildResult(expr);

            Assert.AreEqual(expected, result);
        }
コード例 #2
0
ファイル: BooParser.cs プロジェクト: codehaus/boo
        public static Module ParseModule(string readerName, TextReader reader, ParserErrorHandler errorHandler)
        {
            antlr.TokenStreamSelector selector = new antlr.TokenStreamSelector();

            BooLexer lexer = new BooLexer(reader);

            lexer.setTabSize(TabSize);
            lexer.setFilename(readerName);
            lexer.setTokenObjectClass(TokenObjectClass);
            lexer.Initialize(selector, TabSize, TokenObjectClass);

            IndentTokenStreamFilter filter = new IndentTokenStreamFilter(lexer, WS, INDENT, DEDENT, EOS);

            selector.select(filter);

            BooParser parser = new BooParser(selector);

            parser.setFilename(readerName);
            parser.Error += errorHandler;

            Module module = parser.start();

            module.Name = CreateModuleName(readerName);
            return(module);
        }
コード例 #3
0
        public static antlr.TokenStream CreateBooLexer(int tabSize, string readerName, TextReader reader)
        {
            var selector = new antlr.TokenStreamSelector();
            var lexer    = new BooLexer(reader);

            lexer.setFilename(readerName);
            lexer.Initialize(selector, tabSize, BooToken.TokenCreator);

            var filter = new WSATokenStreamFilter(lexer);

            selector.select(filter);

            return(selector);
        }
コード例 #4
0
        public static antlr.TokenStream CreateBooLexer(int tabSize, string readerName, TextReader reader)
        {
            antlr.TokenStreamSelector selector = new antlr.TokenStreamSelector();

            BooLexer lexer = new BooLexer(reader);

            lexer.setFilename(readerName);
            lexer.Initialize(selector, tabSize, BooToken.TokenCreator);

            IndentTokenStreamFilter filter = new IndentTokenStreamFilter(lexer, WS, INDENT, DEDENT, EOL);

            selector.select(filter);

            return(selector);
        }
コード例 #5
0
		public void DoTest(string input, bool boo, bool success, params object[] outputs)
		{
			ILanguageStyle lang;
			ISourceFile src;
			IEnumerable<AstNode> lexer;
			if (boo) {
				lang = new BooLanguage();
				src = new StringCharSourceFile(input);
				lexer = new BooLexer(src, lang.StandardKeywords, false);
			} else {
				lang = new BooLanguage();
				src = new StringCharSourceFile(input);
				lexer = new BooLexerCore(src, lang.StandardKeywords);
			}
			EssentialTreeParser etp = new EssentialTreeParser();
			AstNode root = AstNode.New(SourceRange.Nowhere, GSymbol.Empty);

			Assert.AreEqual(success, etp.Parse(ref root, lexer));
			CheckOutput(root, outputs, 0);
		}
コード例 #6
0
        public void DoTest(string input, bool boo, bool success, params object[] outputs)
        {
            ILanguageStyle        lang;
            ISourceFile           src;
            IEnumerable <AstNode> lexer;

            if (boo)
            {
                lang  = new BooLanguage();
                src   = new StringCharSourceFile(input);
                lexer = new BooLexer(src, lang.StandardKeywords, false);
            }
            else
            {
                lang  = new BooLanguage();
                src   = new StringCharSourceFile(input);
                lexer = new BooLexerCore(src, lang.StandardKeywords);
            }
            EssentialTreeParser etp  = new EssentialTreeParser();
            AstNode             root = AstNode.New(SourceRange.Nowhere, GSymbol.Empty);

            Assert.AreEqual(success, etp.Parse(ref root, lexer));
            CheckOutput(root, outputs, 0);
        }
コード例 #7
0
ファイル: BooLexerTest.cs プロジェクト: default0/LoycCore
		public void Try(string testName, string inputStr, string tokStrs)
		{
			StringCharSourceFile input = new StringCharSourceFile(inputStr);
			BooLexer lexer = new BooLexer(input, BooLanguage.StandardKeywords, false, 2);
			IEnumerator<AstNode> lexerE = lexer.GetEnumerator();

			string[] toks = tokStrs.Split(',');
			AstNode t;
			int expectedIndent = 0;
			for (int i = 0; i < toks.Length; i++)
			{
				var _ = StringExt.SplitAt(toks[i], ':');
				string wantType = _.A, wantText = _.B;
				if (_.B != null)
					wantType = wantType.Trim();
				else {
					if (toks[i].Length == 0)
						continue;
					int temp;
					if (int.TryParse(toks[i], out temp)) {
						expectedIndent = temp;
						continue;
					}
					wantType = wantType.Trim();
					if (wantType[0] == '_')
						wantText = wantType.Substring(1);
					else if (wantType == "NEWLINE")
						wantText = "\n";
					else
						wantText = "";
				}
				

				// Get the next token
				Assert.IsTrue(lexerE.MoveNext());
				t = lexerE.Current;
				string type = t.NodeType.Name;
				
				string msg = string.Format("\"{0}\"[{1}]: Expected {2}<{3}>({4}), got {5}<{6}>({7})",
					testName, i, wantType, wantText, expectedIndent, type, t.SourceText, t.GetTag("LineIndentation"));
				msg = msg.Replace("\n", "\\n");

				Assert.AreEqual(wantType, type, msg);
				Assert.AreEqual(wantText, t.SourceText, msg);
				if (t.NodeType != Tokens.WS && t.NodeType != Tokens.DEDENT && t.HasTag("LineIndentation"))
					Assert.AreEqual(expectedIndent, (int)t.GetTag("LineIndentation"), msg);
			}
			Assert.IsFalse(lexerE.MoveNext());
		}
コード例 #8
0
        public void Try(string testName, string inputStr, string tokStrs)
        {
            StringCharSourceFile  input  = new StringCharSourceFile(inputStr);
            BooLexer              lexer  = new BooLexer(input, BooLanguage.StandardKeywords, false, 2);
            IEnumerator <AstNode> lexerE = lexer.GetEnumerator();

            string[] toks = tokStrs.Split(',');
            AstNode  t;
            int      expectedIndent = 0;

            for (int i = 0; i < toks.Length; i++)
            {
                var    _ = StringExt.SplitAt(toks[i], ':');
                string wantType = _.A, wantText = _.B;
                if (_.B != null)
                {
                    wantType = wantType.Trim();
                }
                else
                {
                    if (toks[i].Length == 0)
                    {
                        continue;
                    }
                    int temp;
                    if (int.TryParse(toks[i], out temp))
                    {
                        expectedIndent = temp;
                        continue;
                    }
                    wantType = wantType.Trim();
                    if (wantType[0] == '_')
                    {
                        wantText = wantType.Substring(1);
                    }
                    else if (wantType == "NEWLINE")
                    {
                        wantText = "\n";
                    }
                    else
                    {
                        wantText = "";
                    }
                }


                // Get the next token
                Assert.IsTrue(lexerE.MoveNext());
                t = lexerE.Current;
                string type = t.NodeType.Name;

                string msg = string.Format("\"{0}\"[{1}]: Expected {2}<{3}>({4}), got {5}<{6}>({7})",
                                           testName, i, wantType, wantText, expectedIndent, type, t.SourceText, t.GetTag("LineIndentation"));
                msg = msg.Replace("\n", "\\n");

                Assert.AreEqual(wantType, type, msg);
                Assert.AreEqual(wantText, t.SourceText, msg);
                if (t.NodeType != Tokens.WS && t.NodeType != Tokens.DEDENT && t.HasTag("LineIndentation"))
                {
                    Assert.AreEqual(expectedIndent, (int)t.GetTag("LineIndentation"), msg);
                }
            }
            Assert.IsFalse(lexerE.MoveNext());
        }