Files correlati : Commento : Aggiunto il preprocessore c++ mcpp per sostituire il compilatore nella compilazione delle maschere.
		
			
				
	
	
		
			832 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Raku
		
	
	
	
	
	
			
		
		
	
	
			832 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Raku
		
	
	
	
	
	
| /*
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|  *      n_std.t
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|  *
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|  * 1998/08      made public                                     kmatsui
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|  * 2002/08      revised not to conflict with C99 Standard       kmatsui
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|  * 2004/10      added a few testcases for macro expansion       kmatsui
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|  *
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|  *   Samples to test C++ Standard preprocessing.
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|  *   Preprocessor must process these samples as shown in each comments.
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|  *   Preprocessor must process also #error directive properly, which is not
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|  * included here because the directive might cause translator to terminate.
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|  */
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| 
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| 
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| #define ZERO_TOKEN
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| #define TWO_ARGS        a,b
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| #define MACRO_0         0
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| #define MACRO_1         1
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| #define sub( x, y)      (x - y)
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| #define str( a)         # a
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| #define glue( a, b)     a ## b
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| #define xglue( a, b)    glue( a, b)
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| 
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| 
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| /* n_1.t:   Conversion of trigraph sequences.   */
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| 
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| /* 1.1: The following 9 sequences are valid trigraph sequences. */
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| /*  [ ] \ ^ { } | ~ #;  */
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|     ??( ??) ??/ ??' ??< ??> ??! ??- ??=;
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| 
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| /* 1.2: In directive line.  */
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| /*  ab | cd;    */
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| ??= define  OR( a, b)   a ??! b
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|     OR( ab, cd);
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| 
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| /* 1.3: Any sequence other than above 9 is not a trigraph sequence. */
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| /*  ?? ??? ??% ??^ ?#;  */
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|     ?? ??? ??% ??^ ???=;
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| 
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| 
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| /* n_2.t:   Line splicing by <backslash><newline> sequence. */
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| 
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| /* 2.1: In a #define directive line, between the parameter list and the
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|         replacement text.   */
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| /*  ab + cd + ef;   */
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| #define FUNC( a, b, c)  \
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|         a + b + c
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|     FUNC( ab, cd, ef);
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| 
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| /* 2.2: In a #define directive line, among the parameter list and among the
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|         replacement text.   */
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| /*  ab + cd + ef;   */
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| #undef  FUNC
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| #define FUNC( a, b  \
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|         , c)        \
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|         a + b       \
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|         + c
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|     FUNC( ab, cd, ef);
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| 
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| /* 2.3: In a string literal.    */
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| /*  "abcde" */
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|     "abc\
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| de"
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| 
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| /* 2.4: <backslash><newline> in midst of an identifier. */
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| /*  abcde   */
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|     abc\
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| de
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| 
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| /* 2.5: <backslash><newline> by trigraph.   */
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| /*  abcde   */
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|     abc??/
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| de
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| 
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| 
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| /* n_3.t:   Handling of comment.    */
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| 
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| /* 3.1: A comment is converted to one space.    */
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| /*  abc de  */
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|     abc/* comment */de
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| 
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| /* 3.2: // is not a comment of C.   */
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| #if 0   /* This feature is obsolete now.  */
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| /*  / / is not a comment of C   */
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|     // is not a comment of C
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| #endif
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| 
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| /* 3.3: Comment is parsed prior to the parsing of preprocessing directive.  */
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| /*  abcd    */
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| #if     0
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|     "nonsence"; /*
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| #else
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|     still in
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|     comment     */
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| #else
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| #define MACRO_abcd  /*
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|     in comment
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|     */  abcd
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| #endif
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|     MACRO_abcd
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| 
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| 
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| /* n_4.t:   Special tokens. */
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| 
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| /* 4.1: Digraph spellings in directive line.    */
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| /*  "abc";  */
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| %: define  stringize( a)    %: a
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| 
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|     stringize( abc);
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| 
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| /* 4.2: Digraph spellings are retained in stringization.    */
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| /*  "<:";   */
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|     stringize( <:);
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| 
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| 
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| /* n_5.t:   Spaces or tabs are allowed at any place in pp-directive line,
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|         including between the top of a pp-directive line and '#', and between
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|         the '#' and the directive. */
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| 
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| /* 5.1: */
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| /*  |**|[TAB]# |**|[TAB]define |**| MACRO_abcde[TAB]|**| abcde |**| */
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| /**/	# /**/	define /**/ MACRO_abcde	/**/ abcde /**/
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| /*  abcde   */
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|     MACRO_abcde
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| 
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| 
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| /* n_6.t:   #include directive. */
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| 
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| /* 6.1: Header-name quoted by " and " as well as by < and > can include
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|         standard headers.   */
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| /* Note: Standard headers can be included any times.    */
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| #include    "ctype.h"
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| #include    <ctype.h>
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| 
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| /* 6.2: Macro is allowed in #include line.  */
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| #define HEADER  "header.h"
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| /* Before file inclusion:   #include "header.h" */
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| #include    HEADER
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| /*  abc */
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|     MACRO_abc
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| 
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| /* 6.3: With macro nonsence but legal.  */
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| #undef  MACRO_abc
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| #include    ZERO_TOKEN HEADER ZERO_TOKEN
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| /*  abc */
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|     MACRO_abc
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| 
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| 
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| /* n_7.t:   #line directive.    */
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| 
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| /* 7.1: Line number and filename.   */
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| /*  1234; "cpp";    */
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| #line   1234    "cpp"
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|     __LINE__; __FILE__;
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| 
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| /* 7.2: Filename argument is optional.  */
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| /*  2345; "cpp";    */
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| #line   2345
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|     __LINE__; __FILE__;
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| 
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| /* 7.3: Argument with macro.    */
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| /*  3456; "n_7.t";  */
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| #define LINE_AND_FILENAME   3456 "n_7.t"
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| #line   LINE_AND_FILENAME
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|     __LINE__; __FILE__;
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| 
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| /* Restore to correct line number and filename. */
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| #line   169 "n_std.t"
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| 
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| 
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| /* n_9.t:   #pragma directive.  */
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| 
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| /* 9.1: Any #pragma directive should be processed or ignored, should not
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|         be diagnosed as an error.   */
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| #pragma once
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| #pragma who knows ?
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| 
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| 
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| /* n_10.t:  #if, #elif, #else and #endif pp-directive.  */
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| 
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| /* 10.1:    */
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| /* Note: an undefined identifier in #if expression is replaced to 0.    */
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| /*  1;  */
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| #if     a
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|     a;
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| #elif   MACRO_0
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|     MACRO_0;
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| #elif   MACRO_1         /* Valid block  */
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|     MACRO_1;
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| #else
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|     0;
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| #endif
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| 
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| /* 10.2:    Comments must be processed even if in skipped #if block.    */
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| /* At least tokenization of string literal and character constant is necessary
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|         to process comments, e.g. /* is not a comment mark in string literal.
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|  */
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| #ifdef  UNDEFINED
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|     /* Comment  */
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|     "in literal /* is not a comment"
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| #endif
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| 
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| 
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| /* n_11.t:  Operator "defined" in #if or #elif directive.   */
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| 
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| /* 11.1:    */
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| #undef  MACRO_abc
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| #define MACRO_abc   abc
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| /*  abc;    */
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| /*  abc;    */
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| #if     defined a
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|     a;
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| #else
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|     MACRO_abc;
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| #endif
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| #if     defined (MACRO_abc)
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|     MACRO_abc;
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| #else
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|     0;
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| #endif
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| 
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| /* 11.2:    "defined" is an unary operator whose result is 1 or 0.  */
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| #if     defined MACRO_0 * 3 != 3
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|     Bad handling of "defined" operator.
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| #endif
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| #if     (!defined ZERO_TOKEN != 0) || (-defined ZERO_TOKEN != -1)
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|     Bad grouping of "defined", !, - operator.
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| #endif
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| 
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| 
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| /* n_12.t:  Integer preprocessing number token and type of #if expression.  */
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| 
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| #include    <limits.h>
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| 
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| /* 12.1:    Type long.  */
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| #if     LONG_MAX <= LONG_MIN
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|     Bad evaluation of long.
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| #endif
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| #if     LONG_MAX <= 1073741823  /* 0x3FFFFFFF   */
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|     Bad evaluation of long.
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| #endif
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| 
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| /* 12.2:    Type unsigned long. */
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| #if     ULONG_MAX / 2 < LONG_MAX
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|     Bad evaluation of unsigned long.
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| #endif
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| 
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| /* 12.3:    Octal number.   */
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| #if     0177777 != 65535
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|     Bad evaluation of octal number.
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| #endif
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| 
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| /* 12.4:    Hexadecimal number. */
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| #if     0Xffff != 65535 || 0xFfFf != 65535
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|     Bad evaluation of hexadecimal number.
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| #endif
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| 
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| /* 12.5:    Suffix 'L' or 'l'.  */
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| #if     0L != 0 || 0l != 0
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|     Bad evaluation of 'L' suffix.
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| #endif
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| 
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| /* 12.6:    Suffix 'U' or 'u'.  */
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| #if     1U != 1 || 1u != 1
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|     Bad evaluation of 'U' suffix.
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| #endif
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| 
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| /* 12.7:    Negative integer.   */
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| #if     0 <= -1
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|     Bad evaluation of negative number.
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| #endif
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| 
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| 
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| /* n_13.t:  Valid operators in #if expression.  */
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| 
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| /* Valid operators are (precedence in this order) :
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|     defined, (unary)+, (unary)-, ~, !,
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|     *, /, %,
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|     +, -,
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|     <<, >>,
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|     <, >, <=, >=,
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|     ==, !=,
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|     &,
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|     ^,
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|     |,
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|     &&,
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|     ||,
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|     ? :
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|  */
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| 
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| /* 13.1:    Bit shift.  */
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| #if     1 << 2 != 4 || 8 >> 1 != 4
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|     Bad arithmetic of <<, >> operators.
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| #endif
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| 
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| /* 13.2:    Bitwise operators.  */
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| #if     (3 ^ 5) != 6 || (3 | 5) != 7 || (3 & 5) != 1
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|     Bad arithmetic of ^, |, & operators.
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| #endif
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| 
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| /* 13.3:    Result of ||, && operators is either of 1 or 0. */
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| #if     (2 || 3) != 1 || (2 && 3) != 1 || (0 || 4) != 1 || (0 && 5) != 0
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|     Bad arithmetic of ||, && operators.
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| #endif
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| 
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| /* 13.4:    ?, : operator.  */
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| #if     (0 ? 1 : 2) != 2
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|     Bad arithmetic of ?: operator.
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| #endif
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| 
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| 
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| /* n_13_5.t:    Arithmetic conversion in #if expressions.   */
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| 
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| /* 13.5:    The usual arithmetic conversion is not performed on bit shift.  */
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| #if     -1 << 3U > 0
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|     Bad conversion of bit shift operands.
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| #endif
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| 
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| /* 13.6:    Usual arithmetic conversions.   */
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| #if     -1 <= 0U        /* -1 is converted to unsigned long.    */
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|     Bad arithmetic conversion.
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| #endif
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| 
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| #if     -1 * 1U <= 0
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|     Bad arithmetic conversion.
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| #endif
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| 
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| /* Second and third operands of conditional operator are converted to the
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|         same type, thus -1 is converted to unsigned long.    */
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| #if     (1 ? -1 : 0U) <= 0
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|     Bad arithmetic conversion.
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| #endif
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| 
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| 
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| /* n_13_7.t:    Short-circuit evaluation of #if expression. */
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| 
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| /* 13.7:    10/0 or 10/MACRO_0 are never evaluated, "divide by zero" error
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|         cannot occur.   */
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| /*  Valid block */
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| #if     0 && 10 / 0
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|     Block to be skipped
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| #endif
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| #if     not_defined && 10 / not_defined
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|     Block to be skipped
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| #endif
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| #if     MACRO_0 && 10 / MACRO_0 > 1
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|     Block to be skipped
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| #endif
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| #if     MACRO_0 ? 10 / MACRO_0 : 0
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|     Block to be skipped
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| #endif
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| #if     MACRO_0 == 0 || 10 / MACRO_0 > 1
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|     Valid block
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| #else
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|     Block to be skipped
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| #endif
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| 
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| 
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| /* n_13_8.t:    Grouping of sub-expressions in #if expression.  */
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| 
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| /* 13.8:    Unary operators are grouped from right to left. */
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| #if     (- -1 != 1) || (!!9 != 1) || (-!+!9 != -1) || (~~1 != 1)
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|     Bad grouping of -, +, !, ~ in #if expression.
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| #endif
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| 
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| /* 13.9:    ?: operators are grouped from right to left.    */
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| #if     (1 ? 2 ? 3 ? 3 : 2 : 1 : 0) != 3
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|     Bad grouping of ? : in #if expression.
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| #endif
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| 
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| /* 13.10:   Other operators are grouped from left to right. */
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| #if     (15 >> 2 >> 1 != 1) || (3 << 2 << 1 != 24)
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|     Bad grouping of >>, << in #if expression.
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| #endif
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| 
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| /* 13.11:   Test of precedence. */
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| #if     3*10/2 >> !0*2 >> !+!-9 != 1
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|     Bad grouping of -, +, !, *, /, >> in #if expression.
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| #endif
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| 
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| /* 13.12:   Overall test.  Grouped as:
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|         ((((((+1 - -1 - ~~1 - -!0) & 6) | ((8 % 9) ^ (-2 * -2))) >> 1) == 7)
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|         ? 7 : 0) != 7
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|     evaluated to FALSE.
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|  */
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| #if     (((+1- -1-~~1- -!0&6|8%9^-2*-2)>>1)==7?7:0)!=7
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|     Bad arithmetic of #if expression.
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| #endif
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| 
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| 
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| /* n_13_13.t:   #if expression with macros. */
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| 
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| #define and             &&
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| #define or              ||
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| #define not_eq          !=
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| #define bitor           |
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| 
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| /* 13.13:   With macros expanding to operators. */
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| /*  Valid block */
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| #if     (1 bitor 2) == 3 and 4 not_eq 5 or 0
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|     /* #if (1 | 2) == 3 && 4 != 5 || 0  */
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|     Valid block
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| #else
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|     Block to be skipped
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| #endif
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| 
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| /* 13.14:   With macros expanding to 0 token, nonsence but legal expression.*/
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| /*  Valid block */
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| #if     ZERO_TOKEN MACRO_1 ZERO_TOKEN > ZERO_TOKEN MACRO_0 ZERO_TOKEN
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|     /* #if 1 > 0    */
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|     Valid block
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| #else
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|     Block to be skipped
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| #endif
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| 
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| 
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| /* n_15.t:  #ifdef, #ifndef directives. */
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| 
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| /* 15.1:    #ifdef directive.   */
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| /*  Valid block */
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| #ifdef  MACRO_1
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|     Valid block
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| #else
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|     Block to be skipped
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| #endif
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| 
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| /* 15.2:    #ifndef directive.  */
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| /*  Valid block */
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| #ifndef MACRO_1
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|     Block to be skipped
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| #else
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|     Valid block
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| #endif
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| 
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| 
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| /* n_18.t:  #define directive.  */
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| 
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| /* Excerpts from ISO C 6.8.3 "Examples".    */
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| #define OBJ_LIKE        (1-1)
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| #define FTN_LIKE(a)     ( a )
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| 
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| /* 18.1:    Definition of an object-like macro. */
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| /*  (1-1);  */
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|     OBJ_LIKE;
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| /* Macro defined to no token.   */
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| /*  ;   */
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|     ZERO_TOKEN;
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| 
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| /* 18.2:    Definition of a function-like macro.    */
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| /*  ( c );  */
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|     FTN_LIKE( c);
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| 
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| /* 18.3:    Spelling in string identical to parameter is not a parameter.   */
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| /*  "n1:n2";    */
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| #define STR( n1, n2)    "n1:n2"
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|     STR( 1, 2);
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| 
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| 
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| /* n_19.t:  Valid re-definitions of macros. */
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| 
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| /* 19.1:    */
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| #define OBJ_LIKE    /* white space */  (1-1) /* other */
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| 
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| /* 19.2:    */
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| #define FTN_LIKE( a     )(  /* note the white space */  \
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|                         a  /* other stuff on this line
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|                            */ )
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| /*  ( c );  */
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|     FTN_LIKE( c);
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| 
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| 
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| /* n_20.t:  Definition of macro lexically identical to keyword. */
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| 
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| /* 20.1:    */
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| /*  double fl;  */
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| #define float   double
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|     float   fl;
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| 
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| 
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| /* n_21.t:  Tokenization (No preprocessing tokens are merged implicitly).   */
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| 
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| /* 21.1:    */
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| /*  - - -a; */
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| #define MINUS   -
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|     -MINUS-a;
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| 
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| /* 21.2:    */
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| #undef  sub
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| #define sub( a, b)  a-b     /* '(a)-(b)' is better  */
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| #define Y   -y              /* '(-y)' is better     */
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| /*  x- -y;  */
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|     sub( x, Y);
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| 
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| 
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| /* n_22.t:  Tokenization of preprocessing number.   */
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| 
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| #define EXP         1
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| 
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| /* 22.1:    12E+EXP is a preprocessing number, EXP is not expanded. */
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| /*  12E+EXP;    */
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|     12E+EXP;
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| 
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| /* 22.2:    .2e-EXP is also a preprocessing number. */
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| /*  .2e-EXP;    */
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|     .2e-EXP;
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| 
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| /* 22.3:    + or - is allowed only following E or e, 12+EXP is not a
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|         preprocessing number.   */
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| /* Three tokens: 12 + 1;    */
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|     12+EXP;
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| 
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| 
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| /* n_23.t:  ## operator in macro definition.    */
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| 
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| /* 23.1:    */
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| /*  xy; */
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|     glue( x, y);
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| 
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| /* 23.2:    Generate a preprocessing number.    */
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| /*  .12e+2; */
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| #undef  EXP
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| #define EXP     2
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|     xglue( .12e+, EXP);
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| 
 | |
| 
 | |
| /* n_24.t:  # operator in macro definition. */
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| 
 | |
| /* 24.1:    */
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| /*  "a+b";  */
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|     str( a+b);
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| 
 | |
| /* 24.2:    White spaces between tokens of operand are converted to one space.
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|  */
 | |
| /*  "ab + cd";  */
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|     str(    ab  /* comment */   +
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|         cd  );
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| 
 | |
| /* 24.3:    \ is inserted before \ and " in or surrounding literals and no
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|         other character is inserted to anywhere.    */
 | |
| /*  "'\"' + \"' \\\"\"";    */
 | |
|     str( '"' + "' \"");
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| 
 | |
| /* 24.4:    Line splicing by <backslash><newline> is done prior to token
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|         parsing.    */
 | |
| /*  "\"abc\"";  */
 | |
|     str( "ab\
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| c");
 | |
| 
 | |
| /* 24.5:    Token separator inserted by macro expansion should be removed.
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|         (Meanwhile, tokens should not be merged.  See 21.2.)    */
 | |
| #define xstr( a)    str( a)
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| #define f(a)        a
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| /*  "x-y";  */
 | |
|     xstr( x-f(y));
 | |
| 
 | |
| 
 | |
| /* n_25.t:  Macro arguments are pre-expanded (unless the argument is an
 | |
|         operand of # or ## operator) separately, that is, are macro-replaced
 | |
|         completely prior to rescanning. */
 | |
| 
 | |
| #undef sub
 | |
| #define sub( x, y)      (x - y)
 | |
| 
 | |
| /* 25.1:    "TWO_ARGS" is read as one argument to "sub", then expanded to
 | |
|         "a,b", then "x" is substituted by "a,b".    */
 | |
| /*  (a,b - 1);  */
 | |
|     sub( TWO_ARGS, 1);
 | |
| 
 | |
| /* 25.2:    An argument pre-expanded to 0-token.    */
 | |
| /*  ( - 1); */
 | |
|     sub( ZERO_TOKEN, 1);
 | |
| 
 | |
| /* 25.3:    "glue( a, b)" is pre-expanded.  */
 | |
| /*  abc;    */
 | |
|     xglue( glue( a, b), c);
 | |
| 
 | |
| /* 25.4:    Operands of ## operator are not pre-expanded.   */
 | |
| /*  MACRO_0MACRO_1; */
 | |
|     glue( MACRO_0, MACRO_1);
 | |
| 
 | |
| /* 25.5:    Operand of # operator is not pre-expanded.  */
 | |
| /*  "ZERO_TOKEN";   */
 | |
|     str( ZERO_TOKEN);
 | |
| 
 | |
| 
 | |
| /* n_26.t:  The name once replaced is not furthur replaced. */
 | |
| 
 | |
| /* 26.1:    Directly recursive macro definition.    */
 | |
| /*  Z[0];   */
 | |
| #define Z   Z[0]
 | |
|     Z;
 | |
| 
 | |
| /* 26.2:    Intermediately recursive macro definition.  */
 | |
| /*  AB; */
 | |
| #define AB  BA
 | |
| #define BA  AB
 | |
|     AB;
 | |
| 
 | |
| /* 26.3:    Directly recursive function-like macro definition.  */
 | |
| /*  x + f(x);   */
 | |
| #undef f
 | |
| #define f(a)    a + f(a)
 | |
|     f( x);
 | |
| 
 | |
| /* 26.4:    Intermediately recursive function-like macro definition.    */
 | |
| /*  x + x + g( x);  */
 | |
| #define g(a)    a + h( a)
 | |
| #define h(a)    a + g( a)
 | |
|     g( x);
 | |
| 
 | |
| /* 26.5:    Rescanning encounters the non-replaced macro name.  */
 | |
| /*  Z[0] + f( Z[0]);    */
 | |
|     f( Z);
 | |
| 
 | |
| 
 | |
| /* n_27.t:  Rescanning of a macro expand any macro call in the replacement
 | |
|         text after substitution of parameters by pre-expanded-arguments.  This
 | |
|         re-examination may involve the succeding sequences from the source
 | |
|         file (what a queer thing!). */
 | |
| 
 | |
| /* 27.1:    Cascaded use of object-like macros. */
 | |
| /*  1 + 2 + 3 + 4 + 5 + 6 + 7 + 8;  */
 | |
| #define NEST8   NEST7 + 8
 | |
| #define NEST7   NEST6 + 7
 | |
| #define NEST6   NEST5 + 6
 | |
| #define NEST5   NEST4 + 5
 | |
| #define NEST4   NEST3 + 4
 | |
| #define NEST3   NEST2 + 3
 | |
| #define NEST2   NEST1 + 2
 | |
| #define NEST1   1
 | |
|     NEST8;
 | |
| 
 | |
| /* 27.2:    Cascaded use of function-like macros.   */
 | |
| /*  (1) + (1 + 2) + 1 + 2 + 1 + 2 + 3 + 1 + 2 + 3 + 4;  */
 | |
| #define FUNC4( a, b)    FUNC3( a, b) + NEST4
 | |
| #define FUNC3( a, b)    FUNC2( a, b) + NEST3
 | |
| #define FUNC2( a, b)    FUNC1( a, b) + NEST2
 | |
| #define FUNC1( a, b)    (a) + (b)
 | |
|     FUNC4( NEST1, NEST2);
 | |
| 
 | |
| /* 27.3:    An identifier generated by ## operator is subject to expansion. */
 | |
| /*  1;  */
 | |
|     glue( MACRO_, 1);
 | |
| 
 | |
| #define head            sub(
 | |
| #define math( op, a, b) op( (a), (b))
 | |
| 
 | |
| /* 27.4:    'sub' as an argument of math() is not pre-expanded, since '(' is
 | |
|         missing.    */
 | |
| /*  ((a) - (b));    */
 | |
|     math( sub, a, b);
 | |
| 
 | |
| /* 27.5:    Queer thing.    */
 | |
| /*  (a - b);    */
 | |
|     head a,b );
 | |
| 
 | |
| /* 27.6:    Recursive macro (the 2nd 'm' is expanded to 'n' since it is in
 | |
|         source file).   */
 | |
| /*  n;  */
 | |
| #define m       n
 | |
| #define n( a)   a
 | |
|     m( m);
 | |
| 
 | |
| 
 | |
| /* n_28.t:  __FILE__, __LINE__, __DATE__, __TIME__, __STDC__ and
 | |
|         __STDC_VERSION__ are predefined.    */
 | |
| 
 | |
| /* 28.1:    */
 | |
| /*  "n_std.t";  */
 | |
|     __FILE__;
 | |
| 
 | |
| /* 28.2:    */
 | |
| /*  674;    */
 | |
|     __LINE__;
 | |
| 
 | |
| /* 28.3:    */
 | |
| /*  "Aug  1 2001";  */
 | |
|     __DATE__;
 | |
| 
 | |
| /* 28.4:    */
 | |
| /*  "21:42:22"; */
 | |
|     __TIME__;
 | |
| 
 | |
| /* 28.5:    */
 | |
| /*  1;  */
 | |
|     __STDC__;
 | |
| 
 | |
| /* 28.6:    */
 | |
| /*  199409L;    */
 | |
| /* In C99, the value of this macro is 199901L   */
 | |
|     __STDC_VERSION__;
 | |
| 
 | |
| /* 28.7:    __LINE__, __FILE__ in an included file. */
 | |
| /*  3; "line.h";    */
 | |
| #include    "line.h"
 | |
| 
 | |
| 
 | |
| /* n_29.t:  #undef directive.   */
 | |
| 
 | |
| /* 29.1:    Undefined macro is not a macro. */
 | |
| /*  DEFINED;    */
 | |
| #define DEFINED
 | |
| #undef  DEFINED
 | |
|     DEFINED;
 | |
| 
 | |
| /* 29.2:    Undefining undefined name is not an error.  */
 | |
| #undef  UNDEFINED
 | |
| 
 | |
| 
 | |
| /* n_30.t:  Macro call. */
 | |
| /*  Note:   Comma separate the arguments of function-like macro call,
 | |
|         but comma between matching inner parenthesis doesn't.  This feature
 | |
|         is tested on so many places in this suite especially on *.c samples
 | |
|         which use assert() macro, that no separete item to test this feature
 | |
|         is provided.    */
 | |
| 
 | |
| /* 30.1:    A macro call may cross the lines.   */
 | |
| #undef  FUNC
 | |
| #define FUNC( a, b, c)      a + b + c
 | |
| /*  a + b + c;  */
 | |
|     FUNC
 | |
|     (
 | |
|         a,
 | |
|         b,
 | |
|         c
 | |
|     )
 | |
|     ;
 | |
| 
 | |
| 
 | |
| /* n_32.t:  Escape sequence in character constant in #if expression.    */
 | |
| 
 | |
| /* 32.1:    Character octal escape sequence.    */
 | |
| #if     '\123' != 83
 | |
|     Bad evaluation of octal escape sequence.
 | |
| #endif
 | |
| 
 | |
| /* 32.2:    Character hexadecimal escape sequence.  */
 | |
| #if     '\x1b' != '\033'
 | |
|     Bad evaluation of hexadecimal escape sequence.
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /* n_37.t:  Translation limits. */
 | |
| 
 | |
| /* 37.1:    Number of parameters in macro: at least 31. */
 | |
| #define glue31(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,A,B,C,D,E)   \
 | |
|     a##b##c##d##e##f##g##h##i##j##k##l##m##n##o##p##q##r##s##t##u##v##w##x##y##z##A##B##C##D##E
 | |
| 
 | |
| /* 37.2:    Number of arguments of macro call: at least 31. */
 | |
| /*  ABCDEFGHIJKLMNOPQRSTUVWXYZabcde;    */
 | |
|     glue31( A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R
 | |
|             , S, T, U, V, W, X, Y, Z, a, b, c, d, e);
 | |
| 
 | |
| /* 37.3:    Significant initial characters in an internal identifier or a
 | |
|         macro name: at least 31.  */
 | |
| /*  ABCDEFGHIJKLMNOPQRSTUVWXYZabcd_;    */
 | |
|     ABCDEFGHIJKLMNOPQRSTUVWXYZabcd_;
 | |
| 
 | |
| /* 37.4:    Nested conditional inclusion: at least 8 levels.    */
 | |
| /*  nest = 8;   */
 | |
| #ifdef  A
 | |
| #else
 | |
| #   ifdef   B
 | |
| #   else
 | |
| #       ifdef   C
 | |
| #       else
 | |
| #           ifdef   D
 | |
| #           else
 | |
| #               ifdef   E
 | |
| #               else
 | |
| #                   ifdef   F
 | |
| #                   else
 | |
| #                       ifdef   G
 | |
| #                       else
 | |
| #                           ifdef   H
 | |
| #                           else
 | |
|                                 nest = 8;
 | |
| #                           endif
 | |
| #                       endif
 | |
| #                   endif
 | |
| #               endif
 | |
| #           endif
 | |
| #       endif
 | |
| #   endif
 | |
| #endif
 | |
| 
 | |
| /* 37.5:    Nested source file inclusion: at least 8 levels.    */
 | |
| /*  nest = 1;  nest = 2;  nest = 3;  nest = 4;
 | |
|     nest = 5;  nest = 6;  nest = 7;  nest = 8;  */
 | |
| #define     X8
 | |
| #include    "nest1.h"
 | |
| 
 | |
| /* 37.6:    Parenthesized expression: at least 32 levels.   */
 | |
| /*  nest = 32;  */
 | |
| #if     0 + (1 - (2 + (3 - (4 + (5 - (6 + (7 - (8 + (9 - (10 + (11 - (12 +  \
 | |
|         (13 - (14 + (15 - (16 + (17 - (18 + (19 - (20 + (21 - (22 + (23 -   \
 | |
|         (24 + (25 - (26 + (27 - (28 + (29 - (30 + (31 - (32 + 0))))))))))   \
 | |
|         )))))))))))))))))))))) == 0
 | |
|     nest = 32;
 | |
| #endif
 | |
| 
 | |
| /* 37.7:    Characters in a string (after concatenation): at least 509. */
 | |
| "123456789012345678901234567890123456789012345678901234567890123456789\
 | |
| 0123456789012345678901234567890123456789012345678901234567890123456789\
 | |
| 0123456789012345678901234567890123456789012345678901234567890123456789\
 | |
| 0123456789012345678901234567890123456789012345678901234567890123456789\
 | |
| 0123456789012345678901234567890123456789012345678901234567890123456789\
 | |
| 0123456789012345678901234567890123456789012345678901234567890123456789\
 | |
| 0123456789012345678901234567890123456789012345678901234567890123456789\
 | |
| 012345678901234567"
 | |
|         ;
 | |
| 
 | |
| /* 37.8:    Characters in a logical source line: at least 509.  */
 | |
|     int a123456789012345678901234567890 = 123450;   \
 | |
|     int b123456789012345678901234567890 = 123451;   \
 | |
|     int c123456789012345678901234567890 = 123452;   \
 | |
|     int d123456789012345678901234567890 = 123453;   \
 | |
|     int e123456789012345678901234567890 = 123454;   \
 | |
|     int f123456789012345678901234567890 = 123455;   \
 | |
|     int A123456789012345678901234567890 = 123456;   \
 | |
|     int B123456789012345678901234567890 = 123457;   \
 | |
|     int C123456789012345678901234567890 = 123458;   \
 | |
|     int D1234567890123456789012 = 123459;
 | |
| 
 | |
| /* 37.9:    Macro definitions: at least 1024.   */
 | |
| 
 | |
| #define X0400
 | |
| #include    "m4095.h"
 | |
| /*  0x0400; */
 | |
|     BNJ;
 | |
| 
 |