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Example 1 with Semantic

use of priv.bajdcc.LALR1.semantic.Semantic in project jMiniLang by bajdcc.

the class TestSemantic2 method main.

public static void main(String[] args) {
    // System.out.println("Z -> `a`<,> | B | [`a` `b` Z B]");
    try {
        // Scanner scanner = new Scanner(System.in);
        // String expr = "( i )";
        String expr = "v + d * d";
        Semantic semantic = new Semantic(expr);
        semantic.addTerminal("PLUS", TokenType.OPERATOR, OperatorType.PLUS);
        semantic.addTerminal("TIMES", TokenType.OPERATOR, OperatorType.TIMES);
        semantic.addTerminal("LPA", TokenType.OPERATOR, OperatorType.LPARAN);
        semantic.addTerminal("RPA", TokenType.OPERATOR, OperatorType.RPARAN);
        semantic.addTerminal("v", TokenType.ID, "v");
        semantic.addTerminal("d", TokenType.ID, "d");
        semantic.addNonTerminal("S");
        semantic.addNonTerminal("E");
        semantic.addNonTerminal("T");
        semantic.addNonTerminal("F");
        semantic.addErrorHandler("sample", null);
        // syntax.infer("E -> T `PLUS`<+> E | T `MINUS`<-> E | T");
        // syntax.infer("T -> F `TIMES`<*> T | F `DIVIDE`</> T | F");
        // syntax.infer("F -> `LPA`<(> E `RPA`<)>  | `SYMBOL`<i>");
        semantic.infer("S -> E");
        semantic.infer("E -> E @PLUS<+> T");
        semantic.infer("E -> T");
        semantic.infer("T -> T @TIMES<*> F");
        semantic.infer("T -> F");
        semantic.infer("F -> @v<v>");
        semantic.infer("F -> @d<d>");
        semantic.infer("F -> @LPA@<(> E @RPA<)>");
        semantic.initialize("S");
        System.out.println(semantic.toString());
        System.out.println(semantic.getNGAString());
        System.out.println(semantic.getNPAString());
        System.out.println(semantic.getInst());
        System.out.println(semantic.getTrackerError());
        System.out.println(semantic.getTokenList());
    // scanner.close();
    } catch (RegexException e) {
        System.err.println(e.getPosition() + "," + e.getMessage());
        e.printStackTrace();
    } catch (SyntaxException e) {
        System.err.println(e.getPosition() + "," + e.getMessage() + " " + e.getInfo());
        e.printStackTrace();
    }
}
Also used : SyntaxException(priv.bajdcc.LALR1.syntax.handler.SyntaxException) Semantic(priv.bajdcc.LALR1.semantic.Semantic) RegexException(priv.bajdcc.util.lexer.error.RegexException)

Example 2 with Semantic

use of priv.bajdcc.LALR1.semantic.Semantic in project jMiniLang by bajdcc.

the class TestOperator method main.

public static void main(String[] args) {
    // System.out.println("Z -> `a`<,> | B | [`a` `b` Z B]");
    try {
        // Scanner scanner = new Scanner(System.in);
        // String expr = "( i )";
        // String expr = "((3))+4*5+66/(3-8)";
        // String expr = "(4 * 7 - 13) * (3 + 18 / 3 - 3)";
        String expr = "(5 + 5)";
        Semantic semantic = new Semantic(expr);
        semantic.addTerminal("PLUS", TokenType.OPERATOR, OperatorType.PLUS);
        semantic.addTerminal("MINUS", TokenType.OPERATOR, OperatorType.MINUS);
        semantic.addTerminal("TIMES", TokenType.OPERATOR, OperatorType.TIMES);
        semantic.addTerminal("DIVIDE", TokenType.OPERATOR, OperatorType.DIVIDE);
        semantic.addTerminal("LPA", TokenType.OPERATOR, OperatorType.LPARAN);
        semantic.addTerminal("RPA", TokenType.OPERATOR, OperatorType.RPARAN);
        semantic.addTerminal("INTEGER", TokenType.INTEGER, null);
        semantic.addNonTerminal("Z");
        semantic.addNonTerminal("E");
        semantic.addNonTerminal("T");
        semantic.addNonTerminal("F");
        semantic.addActionHandler("enter_paran", (indexed, manage, access, recorder) -> System.out.println("enter"));
        semantic.addActionHandler("leave_paran", (indexed, manage, access, recorder) -> System.out.println("leave"));
        semantic.addErrorHandler("lost_exp", (iterator, bag) -> {
            bag.bRead = false;
            bag.bPass = true;
            return "表达式不完整";
        });
        semantic.addErrorHandler("lost_exp_right", (iterator, bag) -> {
            bag.bRead = false;
            bag.bPass = true;
            return "缺少右括号";
        });
        ISemanticAnalyzer handleCopy = (indexed, query, recorder) -> indexed.get(0).object;
        ISemanticAnalyzer handleBinop = (indexed, query, recorder) -> {
            int lop = Integer.parseInt(indexed.get(0).object.toString());
            int rop = Integer.parseInt(indexed.get(2).object.toString());
            Token op = indexed.get(1).token;
            if (op.kToken == TokenType.OPERATOR) {
                OperatorType kop = (OperatorType) op.object;
                switch(kop) {
                    case PLUS:
                        return lop + rop;
                    case MINUS:
                        return lop - rop;
                    case TIMES:
                        return lop * rop;
                    case DIVIDE:
                        if (rop == 0) {
                            return lop;
                        } else {
                            return lop / rop;
                        }
                    default:
                        return 0;
                }
            } else {
                return 0;
            }
        };
        ISemanticAnalyzer handleValue = (indexed, query, recorder) -> indexed.get(0).token.object;
        // syntax.infer("E -> T `PLUS`<+> E | T `MINUS`<-> E | T");
        // syntax.infer("T -> F `TIMES`<*> T | F `DIVIDE`</> T | F");
        // syntax.infer("F -> `LPA`<(> E `RPA`<)>  | `SYMBOL`<i>");
        semantic.infer(handleCopy, "Z -> E[0]");
        semantic.infer(handleCopy, "E -> T[0]");
        semantic.infer(handleBinop, "E -> E[0] ( @PLUS[1]<+> | @MINUS[1]<-> ) T[2]{lost_exp}");
        semantic.infer(handleCopy, "T -> F[0]");
        semantic.infer(handleBinop, "T -> T[0] ( @TIMES[1]<*> | @DIVIDE[1]</> ) F[2]{lost_exp}");
        semantic.infer(handleValue, "F -> @INTEGER[0]<integer>");
        semantic.infer(handleCopy, "F -> @LPA#enter_paran#<(> E[0]{lost_exp} @RPA#leave_paran#{lost_exp_right}<)>");
        semantic.initialize("Z");
        // System.out.println(semantic.toString());
        // System.out.println(semantic.getNGAString());
        // System.out.println(semantic.getNPAString());
        // System.out.println(semantic.getInst());
        System.out.println(semantic.getTrackerError());
        System.out.println(semantic.getTokenList());
        System.out.println(semantic.getObject());
    // scanner.close();
    } catch (RegexException e) {
        System.err.println(e.getPosition() + "," + e.getMessage());
        e.printStackTrace();
    } catch (SyntaxException e) {
        System.err.println(e.getPosition() + "," + e.getMessage() + " " + e.getInfo());
        e.printStackTrace();
    }
}
Also used : ISemanticAnalyzer(priv.bajdcc.LALR1.semantic.token.ISemanticAnalyzer) OperatorType(priv.bajdcc.util.lexer.token.OperatorType) SyntaxException(priv.bajdcc.LALR1.syntax.handler.SyntaxException) Token(priv.bajdcc.util.lexer.token.Token) RegexException(priv.bajdcc.util.lexer.error.RegexException) Semantic(priv.bajdcc.LALR1.semantic.Semantic) TokenType(priv.bajdcc.util.lexer.token.TokenType) ISemanticAnalyzer(priv.bajdcc.LALR1.semantic.token.ISemanticAnalyzer) SyntaxException(priv.bajdcc.LALR1.syntax.handler.SyntaxException) Semantic(priv.bajdcc.LALR1.semantic.Semantic) RegexException(priv.bajdcc.util.lexer.error.RegexException) Token(priv.bajdcc.util.lexer.token.Token) OperatorType(priv.bajdcc.util.lexer.token.OperatorType)

Example 3 with Semantic

use of priv.bajdcc.LALR1.semantic.Semantic in project jMiniLang by bajdcc.

the class TestSemantic method main.

public static void main(String[] args) {
    // System.out.println("Z -> `a`<,> | B | [`a` `b` Z B]");
    try {
        // Scanner scanner = new Scanner(System.in);
        // String expr = "( i )";
        String expr = "((i))+i*i+i/(i-i)";
        Semantic semantic = new Semantic(expr);
        semantic.addTerminal("PLUS", TokenType.OPERATOR, OperatorType.PLUS);
        semantic.addTerminal("MINUS", TokenType.OPERATOR, OperatorType.MINUS);
        semantic.addTerminal("TIMES", TokenType.OPERATOR, OperatorType.TIMES);
        semantic.addTerminal("DIVIDE", TokenType.OPERATOR, OperatorType.DIVIDE);
        semantic.addTerminal("LPA", TokenType.OPERATOR, OperatorType.LPARAN);
        semantic.addTerminal("RPA", TokenType.OPERATOR, OperatorType.RPARAN);
        semantic.addTerminal("SYMBOL", TokenType.ID, "i");
        semantic.addNonTerminal("Z");
        semantic.addNonTerminal("E");
        semantic.addNonTerminal("T");
        semantic.addNonTerminal("F");
        semantic.addErrorHandler("sample", null);
        // syntax.infer("E -> T `PLUS`<+> E | T `MINUS`<-> E | T");
        // syntax.infer("T -> F `TIMES`<*> T | F `DIVIDE`</> T | F");
        // syntax.infer("F -> `LPA`<(> E `RPA`<)>  | `SYMBOL`<i>");
        semantic.infer("Z -> E");
        semantic.infer("E -> T");
        semantic.infer("E -> E @PLUS<+> T");
        semantic.infer("E -> E @MINUS<-> T");
        semantic.infer("T -> F");
        semantic.infer("T -> T @TIMES<*> F");
        semantic.infer("T -> T @DIVIDE</> F");
        semantic.infer("F -> @SYMBOL<i>");
        semantic.infer("F -> @LPA<(> E @RPA<)>");
        semantic.initialize("Z");
        System.out.println(semantic.toString());
        System.out.println(semantic.getNGAString());
        System.out.println(semantic.getNPAString());
        System.out.println(semantic.getInst());
        System.out.println(semantic.getTrackerError());
        System.out.println(semantic.getTokenList());
    // scanner.close();
    } catch (RegexException e) {
        System.err.println(e.getPosition() + "," + e.getMessage());
        e.printStackTrace();
    } catch (SyntaxException e) {
        System.err.println(e.getPosition() + "," + e.getMessage() + " " + e.getInfo());
        e.printStackTrace();
    }
}
Also used : SyntaxException(priv.bajdcc.LALR1.syntax.handler.SyntaxException) Semantic(priv.bajdcc.LALR1.semantic.Semantic) RegexException(priv.bajdcc.util.lexer.error.RegexException)

Example 4 with Semantic

use of priv.bajdcc.LALR1.semantic.Semantic in project jMiniLang by bajdcc.

the class TestSemantic3 method main.

public static void main(String[] args) {
    // System.out.println("Z -> `a`<,> | B | [`a` `b` Z B]");
    try {
        // Scanner scanner = new Scanner(System.in);
        // String expr = "( i )";
        String expr = "a a a a";
        Semantic semantic = new Semantic(expr);
        semantic.addTerminal("a", TokenType.ID, "a");
        semantic.addNonTerminal("START");
        semantic.addNonTerminal("Z");
        semantic.addErrorHandler("sample", null);
        ISemanticAnalyzer handleValue = (indexed, query, recorder) -> 1;
        ISemanticAnalyzer handleCopy = (indexed, query, recorder) -> indexed.get(0).object;
        ISemanticAnalyzer handleRec = (indexed, query, recorder) -> {
            int lop = Integer.parseInt(indexed.get(0).object.toString());
            return lop + 1;
        };
        // syntax.infer("E -> T `PLUS`<+> E | T `MINUS`<-> E | T");
        // syntax.infer("T -> F `TIMES`<*> T | F `DIVIDE`</> T | F");
        // syntax.infer("F -> `LPA`<(> E `RPA`<)>  | `SYMBOL`<i>");
        semantic.infer(handleCopy, "START -> Z[0]");
        semantic.infer(handleRec, "Z -> Z[0] @a[1]");
        semantic.infer(handleValue, "Z -> @a[0]");
        semantic.initialize("START");
        System.out.println(semantic.toString());
        System.out.println(semantic.getNGAString());
        System.out.println(semantic.getNPAString());
        System.out.println(semantic.getInst());
        System.out.println(semantic.getTrackerError());
        System.out.println(semantic.getTokenList());
        System.out.println(semantic.getObject());
    // scanner.close();
    } catch (RegexException e) {
        System.err.println(e.getPosition() + "," + e.getMessage());
        e.printStackTrace();
    } catch (SyntaxException e) {
        System.err.println(e.getPosition() + "," + e.getMessage() + " " + e.getInfo());
        e.printStackTrace();
    }
}
Also used : ISemanticAnalyzer(priv.bajdcc.LALR1.semantic.token.ISemanticAnalyzer) SyntaxException(priv.bajdcc.LALR1.syntax.handler.SyntaxException) RegexException(priv.bajdcc.util.lexer.error.RegexException) Semantic(priv.bajdcc.LALR1.semantic.Semantic) TokenType(priv.bajdcc.util.lexer.token.TokenType) ISemanticAnalyzer(priv.bajdcc.LALR1.semantic.token.ISemanticAnalyzer) SyntaxException(priv.bajdcc.LALR1.syntax.handler.SyntaxException) Semantic(priv.bajdcc.LALR1.semantic.Semantic) RegexException(priv.bajdcc.util.lexer.error.RegexException)

Example 5 with Semantic

use of priv.bajdcc.LALR1.semantic.Semantic in project jMiniLang by bajdcc.

the class TestSemantic4 method main.

public static void main(String[] args) {
    // System.out.println("Z -> `a`<,> | B | [`a` `b` Z B]");
    try {
        // Scanner scanner = new Scanner(System.in);
        // String expr = "( i )";
        String expr = "a b c a";
        Semantic semantic = new Semantic(expr);
        semantic.addTerminal("a", TokenType.ID, "a");
        semantic.addTerminal("b", TokenType.ID, "b");
        semantic.addTerminal("c", TokenType.ID, "c");
        semantic.addNonTerminal("START");
        // syntax.infer("E -> T `PLUS`<+> E | T `MINUS`<-> E | T");
        // syntax.infer("T -> F `TIMES`<*> T | F `DIVIDE`</> T | F");
        // syntax.infer("F -> `LPA`<(> E `RPA`<)>  | `SYMBOL`<i>");
        semantic.infer("START -> @a [@b] [@c] @a");
        semantic.initialize("START");
        System.out.println(semantic.toString());
        System.out.println(semantic.getNGAString());
        System.out.println(semantic.getNPAString());
        System.out.println(semantic.getInst());
        System.out.println(semantic.getTrackerError());
        System.out.println(semantic.getTokenList());
        System.out.println(semantic.getObject());
    // scanner.close();
    } catch (RegexException e) {
        System.err.println(e.getPosition() + "," + e.getMessage());
        e.printStackTrace();
    } catch (SyntaxException e) {
        System.err.println(e.getPosition() + "," + e.getMessage() + " " + e.getInfo());
        e.printStackTrace();
    }
}
Also used : SyntaxException(priv.bajdcc.LALR1.syntax.handler.SyntaxException) Semantic(priv.bajdcc.LALR1.semantic.Semantic) RegexException(priv.bajdcc.util.lexer.error.RegexException)

Aggregations

Semantic (priv.bajdcc.LALR1.semantic.Semantic)5 SyntaxException (priv.bajdcc.LALR1.syntax.handler.SyntaxException)5 RegexException (priv.bajdcc.util.lexer.error.RegexException)5 ISemanticAnalyzer (priv.bajdcc.LALR1.semantic.token.ISemanticAnalyzer)2 TokenType (priv.bajdcc.util.lexer.token.TokenType)2 OperatorType (priv.bajdcc.util.lexer.token.OperatorType)1 Token (priv.bajdcc.util.lexer.token.Token)1