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opt_fc1.c revision 1.4 
      1 /* $NetBSD: opt_fc1.c,v 1.4 2021/10/18 07:11:31 rillig Exp $ */
      2 /* $FreeBSD$ */
      3 
      4 /*
      5  * Tests for the options '-fc1' and '-nfc1'.
      6  *
      7  * The option '-fc1' formats comments in column 1.
      8  *
      9  * The option '-nfc1' prevents comments in column 1 as is.
     10  */
     11 
     12 #indent input
     13 /*
     14  * A comment
     15  * in column 1.
     16  *
     17  *
     18  *
     19  */
     20 #indent end
     21 
     22 #indent run -fc1
     23 /*
     24  * A comment in column 1.
     25  *
     26  *
     27  *
     28  */
     29 #indent end
     30 
     31 #indent run-equals-input -nfc1
     32 
     33 
     34 #indent input
     35 /* $ Neither indentation nor surrounding spaces. */
     36 /*narrow*/
     37 
     38 /* $ Indented by a single space, single spaces around the text. */
     39  /* space */
     40 
     41 /* $ Indented by a single tab, single tabs around the text. */
     42 	/*	tab	*/
     43 
     44 /* $ The space between these comments gets removed. */
     45 /* block1 */ /* block2 */
     46 
     47 /* $ Both comment texts get surrounded by spaces. */
     48 /*block1*//*block2*/
     49 #indent end
     50 
     51 #indent run -fc1
     52 /* $ The comment text got surrounded by spaces. */
     53 /* narrow */
     54 
     55 /* $ The indentation got removed. */
     56 /* space */
     57 
     58 /* $ The indentation got removed, only the leading tab got replaced by a space. */
     59 /* tab	*/
     60 
     61 /* $ The space between these comments got removed. */
     62 /* block1 *//* block2 */
     63 
     64 /* $ Both comment texts got surrounded by spaces. */
     65 /* block1 *//* block2 */
     66 #indent end
     67 
     68 #indent run -nfc1
     69 /* $ No spaces got added around the comment text. */
     70 /*narrow*/
     71 
     72 /* $ The indentation of a single space was preserved. */
     73 /* $ If the comment were moved to column 1, it would change from the area */
     74 /* $ of 'comments that may be formatted' to the area of 'comments that must */
     75 /* $ not be formatted. The indentation of a single space prevents this. */
     76  /* space */
     77 
     78 /* $ The indentation was changed from a single tab to a single space. */
     79  /* tab	*/
     80 
     81 /* $ The space between these two comments got removed. */
     82 /* $ XXX: The option '-nfc1' says that comments in column 1 do not get */
     83 /* $ formatted, but the comment 'block1' was moved from column 1 to 2. */
     84 /* $ This is probably because there is a second comment in the same line. */
     85  /* block1 *//* block2 */
     86 
     87 /* $ It may seem strange at first that the left comment is not touched */
     88 /* $ but the right comment gets spaces added. This difference is the */
     89 /* $ exact purpose of the option '-nfc1', which says "do not touch comments */
     90 /* $ that start in column 1. The first comment starts in column 1, the */
     91 /* $ second comment doesn't. */
     92 /* $ XXX: The option '-nfc1' says that comments in column 1 do not get */
     93 /* $ formatted, but the comment 'block1' was moved from column 1 to 2. */
     94 /* $ This is probably because there is a second comment in the same line. */
     95  /*block1*//* block2 */
     96 #indent end
     97 
     98 
     99 #indent input
    100 /*
    101  * A multi-line comment that starts
    102  * in column 1.
    103  *//* followed by another multi-line comment
    104  * that starts in column 4.
    105  */
    106 #indent end
    107 
    108 #indent run -fc1
    109 /*
    110  * A multi-line comment that starts in column 1.
    111  *
    112  * followed by another multi-line comment that starts in column 4.
    113  */
    114 /* $ XXX: The two comments have been merged into a single comment. */
    115 #indent end
    116 
    117 #indent run -nfc1
    118 /*
    119  * A multi-line comment that starts
    120  * in column 1.
    121   *
    122   * followed by another multi-line comment that starts in column 4.
    123   */
    124 /* $ XXX: The two comments have been merged into a single comment. */
    125 #indent end
    126 
    127 
    128 #indent input
    129 /* comment */ int decl2; /* comment */
    130 /* looooooooooooooooooooooooooooooooooooooooong first comment */ int decl2; /* second comment */
    131 /* first comment */ int decl2; /* looooooooooooooooooooooooooooooooooooooooong second comment */
    132 #indent end
    133 
    134 #indent run -fc1
    135  /* comment */ int decl2;	/* comment */
    136  /* looooooooooooooooooooooooooooooooooooooooong first comment */ int decl2;	/* second comment */
    137  /* first comment */ int decl2;	/* looooooooooooooooooooooooooooooooooooooooong
    138 				 * second comment */
    139 #indent end
    140 
    141 #indent run-equals-prev-output -nfc1
    142