Package org.jruby.lexer.yacc

Examples of org.jruby.lexer.yacc.SyntaxException

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  /**
     * assign_in_cond
   **/
    private boolean checkAssignmentInCondition(Node node) {
        if (node instanceof MultipleAsgnNode) {
            throw new SyntaxException(PID.MULTIPLE_ASSIGNMENT_IN_CONDITIONAL, node.getPosition(),
                    lexer.getCurrentLine(), "Multiple assignment in conditional.");
        } else if (node instanceof LocalAsgnNode || node instanceof DAsgnNode || node instanceof GlobalAsgnNode || node instanceof InstAsgnNode) {
            Node valueNode = ((AssignableNode) node).getValueNode();
            if (valueNode instanceof ILiteralNode || valueNode instanceof NilNode || valueNode instanceof TrueNode || valueNode instanceof FalseNode) {
                warnings.warn(ID.ASSIGNMENT_IN_CONDITIONAL, node.getPosition(), "Found '=' in conditional, should be '=='.");
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    public Node getReturnArgsNode(Node node) {
        if (node instanceof ArrayNode && ((ArrayNode) node).size() == 1) {
            return ((ListNode) node).get(0);
        } else if (node instanceof BlockPassNode) {
            throw new SyntaxException(PID.BLOCK_ARG_UNEXPECTED, node.getPosition(),
                    lexer.getCurrentLine(), "Block argument should not be given.");
        }
        return node;
    }
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    private Node new_call_complexargs(Node receiver, Token name, Node args, Node iter) {
        if (args instanceof BlockPassNode) {
            // Block and block pass passed in at same time....uh oh
            if (iter != null) {
                throw new SyntaxException(PID.BLOCK_ARG_AND_BLOCK_GIVEN, iter.getPosition(),
                        lexer.getCurrentLine(), "Both block arg and actual block given.");
            }

            return new_call_blockpass(receiver, name, (BlockPassNode) args);
        }
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        if (args == null) return new_fcall_noargs(operation, (IterNode) iter);
        if (args instanceof ArrayNode) return new_fcall_simpleargs(operation, (ArrayNode) args, iter);
        if (args instanceof BlockPassNode) {
            if (iter == null) return new_fcall_blockpass(operation, (BlockPassNode) args);

            throw new SyntaxException(PID.BLOCK_ARG_AND_BLOCK_GIVEN, iter.getPosition(),
                    lexer.getCurrentLine(), "Both block arg and actual block given.");
        }

        return new FCallSpecialArgNode(position(operation, args), (String) operation.getValue(), args);
    }
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    public AssignableNode assignable(Token lhs, Node value) {
        checkExpression(value);

        switch (lhs.getType()) {
            case Tokens.kSELF:
                throw new SyntaxException(PID.CANNOT_CHANGE_SELF, lhs.getPosition(),
                        lexer.getCurrentLine(), "Can't change the value of self");
            case Tokens.kNIL:
                throw new SyntaxException(PID.INVALID_ASSIGNMENT, lhs.getPosition(),
                        lexer.getCurrentLine(), "Can't assign to nil", "nil");
            case Tokens.kTRUE:
                throw new SyntaxException(PID.INVALID_ASSIGNMENT, lhs.getPosition(),
                        lexer.getCurrentLine(), "Can't assign to true", "true");
            case Tokens.kFALSE:
                throw new SyntaxException(PID.INVALID_ASSIGNMENT, lhs.getPosition(),
                        lexer.getCurrentLine(), "Can't assign to false", "false");
            case Tokens.k__FILE__:
                throw new SyntaxException(PID.INVALID_ASSIGNMENT, lhs.getPosition(),
                        lexer.getCurrentLine(), "Can't assign to __FILE__", "__FILE__");
            case Tokens.k__LINE__:
                throw new SyntaxException(PID.INVALID_ASSIGNMENT, lhs.getPosition(),
                        lexer.getCurrentLine(), "Can't assign to __LINE__", "__LINE__");
            case Tokens.k__ENCODING__:
                throw new SyntaxException(PID.INVALID_ASSIGNMENT, lhs.getPosition(),
                        lexer.getCurrentLine(), "Can't assign to __ENCODING__", "__ENCODING__");
            case Tokens.tLABEL: // keyword args (only 2.0 grammar can ever call assignable with this token)
            case Tokens.tIDENTIFIER: // normal locals
                // ENEBO: 1.9 has CURR nodes for local/block variables.  We don't.  I believe we follow proper logic
                return currentScope.assign(lhs.getPosition(), (String) lhs.getValue(), makeNullNil(value));
            case Tokens.tCONSTANT:
                if (isInDef() || isInSingle()) {
                    throw new SyntaxException(PID.DYNAMIC_CONSTANT_ASSIGNMENT, lhs.getPosition(),
                            lexer.getCurrentLine(), "dynamic constant assignment");
                }
                return new ConstDeclNode(lhs.getPosition(), (String) lhs.getValue(), null, value);
            case Tokens.tIVAR:
                return new InstAsgnNode(lhs.getPosition(), (String) lhs.getValue(), value);
            case Tokens.tCVAR:
                return new ClassVarAsgnNode(lhs.getPosition(), (String) lhs.getValue(), value);
            case Tokens.tGVAR:
                return new GlobalAsgnNode(lhs.getPosition(), (String) lhs.getValue(), value);
        }

        throw new SyntaxException(PID.BAD_IDENTIFIER, lhs.getPosition(), lexer.getCurrentLine(),
                "identifier " + (String) lhs.getValue() + " is not valid to set", lhs.getValue());
    }
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        return new DStrNode(position, lexer.getEncoding());
    }

    @Override
    protected void getterIdentifierError(ISourcePosition position, String identifier) {
        throw new SyntaxException(PID.BAD_IDENTIFIER, position, "identifier " +
                identifier + " is not valid to get", identifier);
    }
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        return ' ';
    }

    protected void compileError(Encoding optionEncoding, Encoding encoding) {
        throw new SyntaxException(PID.REGEXP_ENCODING_MISMATCH, lexer.getPosition(), lexer.getCurrentLine(),
                "regexp encoding option '" + optionsEncodingChar(optionEncoding) +
                "' differs from source encoding '" + encoding + "'");
    }
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    }

    @Override
    public Node new_yield(ISourcePosition position, Node node) {
        if (node != null && node instanceof BlockPassNode) {
            throw new SyntaxException(PID.BLOCK_ARG_UNEXPECTED, node.getPosition(),
                    lexer.getCurrentLine(), "Block argument should not be given.");
        }

        if (node instanceof ArrayNode) {
            ArrayNode args = (ArrayNode) node;
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    public AssignableNode assignableLabel(String name, Node value) {
        return currentScope.assign(lexer.getPosition(), name, makeNullNil(value));
    }
   
    protected void getterIdentifierError(ISourcePosition position, String identifier) {
        throw new SyntaxException(PID.BAD_IDENTIFIER, position, "identifier " +
                identifier + " is not valid to get", identifier);
    }
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    }

    public void backrefAssignError(Node node) {
        if (node instanceof NthRefNode) {
            String varName = "$" + ((NthRefNode) node).getMatchNumber();
            throw new SyntaxException(PID.INVALID_ASSIGNMENT, node.getPosition(),
                    "Can't set variable " + varName + '.', varName);
        } else if (node instanceof BackRefNode) {
            String varName = "$" + ((BackRefNode) node).getType();
            throw new SyntaxException(PID.INVALID_ASSIGNMENT, node.getPosition(), "Can't set variable " + varName + '.', varName);
        }
    }
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Related Classes of org.jruby.lexer.yacc.SyntaxException

  • org.jruby.parser.DefaultRubyParser
  • org.jruby.parser.ParserSupport
  • org.jruby.parser.ParserSupport19
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