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Commit 930bd7b1 authored by lusparon332's avatar lusparon332
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lab4 done

parent 4d38e7d4
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                    in 6 minutes and 51 seconds
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                    Inline Side-by-side
                    Module2/SimpleLangLexer/SimpleLexer.cs
                    + 26
                    − 4
                    View file @ 930bd7b1
                    ...@@ -106,9 +106,19 @@ namespace SimpleLexer ...@@ -106,9 +106,19 @@ namespace SimpleLexer
                    keywordsMap["and"] = Tok.AND; keywordsMap["and"] = Tok.AND;
                    keywordsMap["or"] = Tok.OR; keywordsMap["or"] = Tok.OR;
                    keywordsMap["not"] = Tok.NOT; keywordsMap["not"] = Tok.NOT;
                    } // доб. RecursiveDescnetParser
                    keywordsMap["while"] = Tok.WHILE;
                    keywordsMap["do"] = Tok.DO;
                    keywordsMap["for"] = Tok.FOR;
                    keywordsMap["to"] = Tok.TO;
                    keywordsMap["if"] = Tok.IF;
                    keywordsMap["then"] = Tok.THEN;
                    keywordsMap["else"] = Tok.ELSE;
                    //keywordsMap["("] = Tok.LEFT_BRACKET;
                    //keywordsMap[")"] = Tok.RIGHT_BRACKET;
                    }
                    public string FinishCurrentLine() public string FinishCurrentLine()
                    { {
                    return CurrentLineText + inputReader.ReadLine(); return CurrentLineText + inputReader.ReadLine();
                    } }
                    ...@@ -279,7 +289,19 @@ namespace SimpleLexer ...@@ -279,7 +289,19 @@ namespace SimpleLexer
                    NextCh(); NextCh();
                    LexKind = Tok.EQ; LexKind = Tok.EQ;
                    } }
                    else if (currentCh == '{') // доб. DescentParser
                    else if (currentCh == '(')
                    {
                    NextCh();
                    LexKind = Tok.LEFT_BRACKET;
                    }
                    else if (currentCh == ')')
                    {
                    NextCh();
                    LexKind = Tok.RIGHT_BRACKET;
                    }
                    // -----
                    else if (currentCh == '{')
                    { {
                    while (currentCh != '}') while (currentCh != '}')
                    { {
                    ...@@ -290,7 +312,7 @@ namespace SimpleLexer ...@@ -290,7 +312,7 @@ namespace SimpleLexer
                    NextCh(); NextCh();
                    NextLexem(); NextLexem();
                    } }
                    else if (char.IsLetter(currentCh)) else if (char.IsLetter(currentCh))
                    { {
                    while (char.IsLetterOrDigit(currentCh)) while (char.IsLetterOrDigit(currentCh))
                    { {
                    ......
                    Module4/SimpleLangParser/SimpleLangParser.cs
                    + 85
                    − 7
                    View file @ 930bd7b1
                    ...@@ -29,14 +29,12 @@ namespace SimpleLangParser ...@@ -29,14 +29,12 @@ namespace SimpleLangParser
                    public void Expr() public void Expr()
                    { {
                    if (l.LexKind == Tok.ID || l.LexKind == Tok.INUM) if (l.LexKind == Tok.ID || l.LexKind == Tok.INUM || l.LexKind == Tok.PLUS || l.LexKind == Tok.MINUS || l.LexKind == Tok.MULT || l.LexKind == Tok.DIVISION || l.LexKind == Tok.RIGHT_BRACKET || l.LexKind == Tok.LEFT_BRACKET)
                    { while (l.LexKind == Tok.ID || l.LexKind == Tok.INUM || l.LexKind == Tok.PLUS || l.LexKind == Tok.MINUS || l.LexKind == Tok.MULT || l.LexKind == Tok.DIVISION || l.LexKind == Tok.RIGHT_BRACKET || l.LexKind == Tok.LEFT_BRACKET)
                    l.NextLexem(); l.NextLexem();
                    } //if (l.LexKind != Tok.ID && l.LexKind != Tok.INUM && l.LexKind != Tok.PLUS && l.LexKind != Tok.MINUS && l.LexKind != Tok.MULT && l.LexKind != Tok.DIVISION && l.LexKind != Tok.RIGHT_BRACKET && l.LexKind != Tok.LEFT_BRACKET)
                    else else
                    {
                    SyntaxError("expression expected"); SyntaxError("expression expected");
                    }
                    } }
                    public void Assign() public void Assign()
                    ...@@ -46,7 +44,8 @@ namespace SimpleLangParser ...@@ -46,7 +44,8 @@ namespace SimpleLangParser
                    { {
                    l.NextLexem(); l.NextLexem();
                    } }
                    else { else
                    {
                    SyntaxError(":= expected"); SyntaxError(":= expected");
                    } }
                    Expr(); Expr();
                    ...@@ -81,6 +80,21 @@ namespace SimpleLangParser ...@@ -81,6 +80,21 @@ namespace SimpleLangParser
                    Assign(); Assign();
                    break; break;
                    } }
                    case Tok.WHILE:
                    {
                    While();
                    break;
                    }
                    case Tok.FOR:
                    {
                    For();
                    break;
                    }
                    case Tok.IF:
                    {
                    If();
                    break;
                    }
                    default: default:
                    { {
                    SyntaxError("Operator expected"); SyntaxError("Operator expected");
                    ...@@ -111,6 +125,70 @@ namespace SimpleLangParser ...@@ -111,6 +125,70 @@ namespace SimpleLangParser
                    Statement(); Statement();
                    } }
                    // доб. WHILE
                    public void While()
                    {
                    l.NextLexem();
                    Expr();
                    if (l.LexKind == Tok.DO)
                    {
                    l.NextLexem();
                    Statement();
                    }
                    else SyntaxError("DO expected");
                    }
                    // доб. FOR
                    public void For()
                    {
                    l.NextLexem();
                    if (l.LexKind == Tok.ID)
                    {
                    l.NextLexem();
                    if (l.LexKind == Tok.ASSIGN)
                    {
                    l.NextLexem();
                    Expr();
                    if (l.LexKind == Tok.TO)
                    {
                    l.NextLexem();
                    Expr();
                    if (l.LexKind == Tok.DO)
                    {
                    l.NextLexem();
                    Statement();
                    }
                    else SyntaxError("DO expected");
                    }
                    else SyntaxError("TO expected");
                    }
                    else SyntaxError("ASSIGN expected");
                    }
                    else SyntaxError("ID expected");
                    }
                    // доб. IF
                    public void If()
                    {
                    l.NextLexem();
                    Expr();
                    if (l.LexKind == Tok.THEN)
                    {
                    l.NextLexem();
                    Statement();
                    if (l.LexKind == Tok.ELSE)
                    {
                    l.NextLexem();
                    Statement();
                    }
                    }
                    else SyntaxError("THEN expected");
                    }
                    public void SyntaxError(string message) public void SyntaxError(string message)
                    { {
                    var errorMessage = "Syntax error in line " + l.LexRow.ToString() + ":\n"; var errorMessage = "Syntax error in line " + l.LexRow.ToString() + ":\n";
                    ......
                    TestDescentParser/Tests.cs
                    + 3
                    − 3
                    View file @ 930bd7b1
                    ...@@ -26,7 +26,7 @@ namespace TestDescentParser ...@@ -26,7 +26,7 @@ namespace TestDescentParser
                    } }
                    [Test] [Test]
                    [Ignore("This test is disabled")] //[Ignore("This test is disabled")]
                    public void TestWhile() public void TestWhile()
                    { {
                    Assert.IsTrue(Parse(@"begin while 5 do a:=2 end")); Assert.IsTrue(Parse(@"begin while 5 do a:=2 end"));
                    ...@@ -75,7 +75,7 @@ namespace TestDescentParser ...@@ -75,7 +75,7 @@ namespace TestDescentParser
                    } }
                    [Test] [Test]
                    [Ignore("This test is disabled")] //[Ignore("This test is disabled")]
                    public void TestIf() public void TestIf()
                    { {
                    Assert.IsTrue(Parse(@"begin Assert.IsTrue(Parse(@"begin
                    ...@@ -101,7 +101,7 @@ namespace TestDescentParser ...@@ -101,7 +101,7 @@ namespace TestDescentParser
                    } }
                    [Test] [Test]
                    [Ignore("This test is disabled")] //[Ignore("This test is disabled")]
                    public void TestExpr() public void TestExpr()
                    { {
                    Assert.IsTrue(Parse(@"begin Assert.IsTrue(Parse(@"begin
                    ......
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