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lex_ident.c revision 1.5 
      1 /* $NetBSD: lex_ident.c,v 1.5 2022/04/24 09:04:12 rillig Exp $ */
      2 
      3 /*
      4  * Test lexing of word-like tokens, such as keywords, identifiers, numeric
      5  * constants, character constants, string literals.
      6  */
      7 
      8 /*
      9  * Conceptually, backslash-newline is replaced with nothing, in a very early
     10  * stage of the translation, see C11 5.1.1.2p1, item 2. Indent does not
     11  * preserve these; in most cases, they are simply removed.
     12  */
     13 //indent input
     14 in\
     15 t \
     16 var\
     17 iable;
     18 
     19 int
     20 	no_backslash;
     21 
     22 /* $ See check_size_token. */
     23 /* $ The default buffer size is 200, the limit is 195. */
     24 struct long_tag_name_to_overflow_the_token_buffer_4567890\
     25 12345678901234567890123456789012345678901234567890\
     26 12345678901234567890123456789012345678901234567890\
     27 12345678901234567890123456789012345678901234567890;
     28 
     29 /* $ See check_size_token. */
     30 /* $ The difference between limit and start got incremented to 595. */
     31 struct long_tag_name_to_overflow_the_token_buffer_4567890\
     32 12345678901234567890123456789012345678901234567890\
     33 12345678901234567890123456789012345678901234567890\
     34 12345678901234567890123456789012345678901234567890\
     35 12345678901234567890123456789012345678901234567890\
     36 12345678901234567890123456789012345678901234567890\
     37 12345678901234567890123456789012345678901234567890\
     38 12345678901234567890123456789012345678901234567890\
     39 12345678901234567890123456789012345678901234567890\
     40 12345678901234567890123456789012345678901234567890\
     41 12345678901234567890123456789012345678901234567890\
     42 12345678901234567890123456789012345678901234567890;
     43 //indent end
     44 
     45 //indent run
     46 /* $ XXX: The indentation of the backslash is one short of a tab. */
     47 int	       \
     48 		variable;
     49 
     50 int
     51 		no_backslash;
     52 
     53 struct long_tag_name_to_overflow_the_token_buffer_4567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890;
     54 
     55 struct long_tag_name_to_overflow_the_token_buffer_45678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890;
     56 //indent end
     57 
     58 
     59 /* This is a syntax error; see lex_word. */
     60 //indent input
     61 int identifier\n;
     62 //indent end
     63 
     64 //indent run
     65 int		identifier \ n;
     66 //indent end
     67