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comparison libinterp/parse-tree/lex.ll @ 16334:06aa4c0f2018

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handle foo @... as command syntax * lex.ll ("@"): Check for possible command.
author John W. Eaton <jwe@octave.org>
date Tue, 19 Mar 2013 17:06:22 -0400
parents fc565603ccbb
children 6bfd8dbd7d3c
comparison
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16333:100a7bd2590e 16334:06aa4c0f2018
704 return curr_lexer->count_token_internal (METAQUERY); 704 return curr_lexer->count_token_internal (METAQUERY);
705 } 705 }
706 } 706 }
707 707
708 "@" { 708 "@" {
709 curr_lexer->lexer_debug ("@"); 709 if (curr_lexer->previous_token_may_be_command ()
710 710 && curr_lexer->space_follows_previous_token ())
711 curr_lexer->current_input_column++; 711 {
712 712 yyless (0);
713 curr_lexer->looking_at_function_handle++; 713 curr_lexer->push_start_state (COMMAND_START);
714 curr_lexer->looking_for_object_index = false; 714 }
715 curr_lexer->at_beginning_of_statement = false; 715 else
716 716 {
717 return curr_lexer->count_token ('@'); 717 curr_lexer->lexer_debug ("@");
718
719 curr_lexer->current_input_column++;
720
721 curr_lexer->looking_at_function_handle++;
722 curr_lexer->looking_for_object_index = false;
723 curr_lexer->at_beginning_of_statement = false;
724
725 return curr_lexer->count_token ('@');
726 }
718 } 727 }
719 728
720 %{ 729 %{
721 // A new line character. New line characters inside matrix constants 730 // A new line character. New line characters inside matrix constants
722 // are handled by the <MATRIX_START> start state code above. If closest 731 // are handled by the <MATRIX_START> start state code above. If closest