Examples of org.antlr.v4.runtime.ANTLRInputStream

org.antlr.v4.runtime.ANTLRInputStream
Vacuum all input from a {@link Reader}/ {@link InputStream} and then treat itlike a {@code char[]} buffer. Can also pass in a {@link String} or{@code char[]} to use.
If you need encoding, pass in stream/reader with correct encoding.

                       "lexer grammar T;\n"+
                       "A : 'a';\n" +
                       "B : 'b';\n" +
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.insertAfter(2, "x");
    String result = tokens.getText();

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                       "lexer grammar T;\n"+
                       "A : 'a';\n" +
                       "B : 'b';\n" +
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.insertBefore(1, "x");
    tokens.insertAfter(1, "x");

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                       "lexer grammar T;\n"+
                       "A : 'a';\n" +
                       "B : 'b';\n" +
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(0, "x");
    String result = tokens.getText();

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                       "lexer grammar T;\n"+
                       "A : 'a';\n" +
                       "B : 'b';\n" +
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(2, "x");
    String result = tokens.getText();

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                       "lexer grammar T;\n"+
                       "A : 'a';\n" +
                       "B : 'b';\n" +
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(1, "x");
    String result = tokens.getText();

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                       "ASSIGN : '=';\n" +
                       "WS : ' '+;\n");
    // Tokens: 0123456789
    // Input:  x = 3 * 0;
    String input = "x = 3 * 0;";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(4, 8, "0");
    stream.fill();

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                       "MULT : '*';\n" +
                       "WS : ' '+;\n");
    // Tokens: 012345678901234567
    // Input:  x = 3 * 0 + 2 * 0;
    String input = "x = 3 * 0 + 2 * 0;";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);


    String result = tokens.getTokenStream().getText();

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                       "lexer grammar T;\n"+
                       "A : 'a';\n" +
                       "B : 'b';\n" +
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(1, "x");
    tokens.replace(1, "y");

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                       "lexer grammar T;\n"+
                       "A : 'a';\n" +
                       "B : 'b';\n" +
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.insertBefore(0, "_");
    tokens.replace(1, "x");

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                       "lexer grammar T;\n"+
                       "A : 'a';\n" +
                       "B : 'b';\n" +
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(1, "x");
    tokens.delete(1);

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Related Classes of org.antlr.v4.runtime.ANTLRInputStream

org.antlr.runtime.ANTLRFileStream

org.antlr.runtime.ANTLRStringStream

org.antlr.runtime.CharStream

org.antlr.runtime.CommonToken

org.antlr.runtime.Token

org.antlr.runtime.tree.CommonTree

org.antlr.runtime.tree.CommonTreeNodeStream

org.antlr.runtime.tree.Tree

org.antlr.runtime.tree.TreeVisitor

org.antlr.runtime.tree.TreeVisitorAction

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