Alessandro Bonazzi
e075990ed3
Files correlati : Commento : Aggiunto il preprocessore c++ mcpp per sostituire il compilatore nella compilazione delle maschere.
315 lines
6.7 KiB
Raku
315 lines
6.7 KiB
Raku
/*
|
|
* e_post.t
|
|
*
|
|
* 1998/08 made public kmatsui
|
|
* 2002/08 revised not to conflict with C99 Standard kmatsui
|
|
* 2003/11 added a few samples kmatsui
|
|
*
|
|
* Samples to test "POST_STANDARD" mode of C preprocessing.
|
|
* POST_STANDARD cpp must diagnose all of these samples appropriately.
|
|
*/
|
|
|
|
|
|
/* e_4_3.t: Illegal pp-token. */
|
|
|
|
/* 4.3: Empty character constant is an error. */
|
|
#if '' == 0 /* This line is invalid, maybe skipped. */
|
|
#endif /* This line maybe the second error. */
|
|
|
|
|
|
/* e_7_4.t: #line error. */
|
|
|
|
/* 7.4: string literal in #line directive shall be a character string
|
|
literal. */
|
|
|
|
#line 123 L"wide"
|
|
/* 27 ; "e_post.t" ; */
|
|
__LINE__; __FILE__;
|
|
|
|
|
|
/* e_12_7.t: Out of range of integer pp-token in #if expression. */
|
|
|
|
/* 12.7: Preprocessing number perhaps out of range of unsigned long. */
|
|
#if 123456789012345678901
|
|
#endif
|
|
|
|
|
|
/* e_14.t: Illegal #if expressions. */
|
|
|
|
#define A 1
|
|
#define B 1
|
|
|
|
/* 14.1: String literal is not allowed in #if expression. */
|
|
#if "string"
|
|
#endif /* The second error ? */
|
|
|
|
/* 14.2: Operators =, +=, ++, etc. are not allowed in #if expression. */
|
|
#if A = B
|
|
#endif
|
|
#if A++ B
|
|
#endif
|
|
#if A --B
|
|
#endif
|
|
#if A.B
|
|
#endif
|
|
|
|
/* 14.3: Unterminated #if expression. */
|
|
#if ( (A == B)
|
|
#endif
|
|
|
|
/* 14.4: Unbalanced parenthesis in #if defined operator. */
|
|
#if defined ( MACRO
|
|
#endif
|
|
|
|
/* 14.5: No argument. */
|
|
#if
|
|
#endif
|
|
|
|
/* 14.6: Macro expanding to 0 token in #if expression. */
|
|
#define ZERO_TOKEN
|
|
#if ZERO_TOKEN
|
|
#endif
|
|
|
|
|
|
/* e_14_7.t: There is no keyword in #if expression. */
|
|
|
|
/* 14.7: sizeof operator is disallowed. */
|
|
/* Evaluated as: 0 (0)
|
|
Constant expression syntax error. */
|
|
#if sizeof (int)
|
|
#endif
|
|
|
|
/* 14.8: type cast is disallowed. */
|
|
/* Evaluated as: (0)0x8000
|
|
Also a constant expression error. */
|
|
#if (int)0x8000 < 0
|
|
#endif
|
|
|
|
|
|
/* e_14_9.t: Out of range in #if expression (division by 0). */
|
|
|
|
/* 14.9: Divided by 0. */
|
|
#if 1 / 0
|
|
#endif
|
|
|
|
|
|
/* e_14_10.t: Overflow of constant expression in #if directive. */
|
|
|
|
/* 14.10: */
|
|
/* In C99, #if expression is evaluated in intmax_t */
|
|
#if __STDC_VERSION__ < 199901L
|
|
#include <limits.h>
|
|
|
|
#if LONG_MAX - LONG_MIN
|
|
#endif
|
|
#if LONG_MAX + 1
|
|
#endif
|
|
#if LONG_MIN - 1
|
|
#endif
|
|
#if LONG_MAX * 2
|
|
#endif
|
|
#endif
|
|
|
|
|
|
/* e_15_3.t: #ifdef, #ifndef syntax errors. */
|
|
|
|
/* 15.3: Not an identifier. */
|
|
#ifdef "string"
|
|
#endif
|
|
#ifdef 123
|
|
#endif
|
|
|
|
/* 15.4: Excessive token sequence. */
|
|
#ifdef ZERO_TOKEN Junk
|
|
#endif
|
|
|
|
/* 15.5: No argument. */
|
|
#ifndef
|
|
#endif
|
|
|
|
|
|
/* e_16.t: Trailing junk of #else, #endif. */
|
|
|
|
/* 16.1: Trailing junk of #else. */
|
|
#define MACRO_0 0
|
|
#if MACRO_0
|
|
#else MACRO_0
|
|
|
|
/* 16.2: Trailing junk of #endif. */
|
|
#endif MACRO_0
|
|
|
|
|
|
/* e_17.t: Ill-formed group in a source file. */
|
|
|
|
#define MACRO_1 1
|
|
|
|
/* 17.1: Error of #endif without #if. */
|
|
#endif
|
|
|
|
/* 17.2: Error of #else without #if. */
|
|
#else
|
|
|
|
/* 17.3: Error of #else after #else. */
|
|
#if MACRO_1
|
|
#else /* line 154 */
|
|
#if 1
|
|
#else
|
|
#endif
|
|
#else
|
|
#endif
|
|
|
|
/* 17.4: Error of #elif after #else. */
|
|
#if MACRO_1 == 1
|
|
#else /* line 163 */
|
|
#elif MACRO_1 == 0
|
|
#endif
|
|
|
|
/* 17.5: Error of #endif without #if in an included file. */
|
|
#if 1
|
|
#include "unbal1.h"
|
|
|
|
/* 17.6: Error of unterminated #if section in an included file. */
|
|
#include "unbal2.h"
|
|
#endif
|
|
|
|
/* 17.7: Error of unterminated #if section. */
|
|
/* This error would be diagnosed at end of file. */
|
|
#if MACRO_1 == 0 /* line 177 */
|
|
#else
|
|
|
|
|
|
/* e_18_4.t: #define syntax errors. */
|
|
|
|
/* 18.4: Not an identifier. */
|
|
#define "string"
|
|
#define 123
|
|
|
|
/* 18.5: No argument. */
|
|
#define
|
|
|
|
/* 18.6: Empty parameter list. */
|
|
#define math( op, a, ) op( (a), (b))
|
|
|
|
/* 18.7: Duplicate parameter names. */
|
|
#define math( op, a, a) op( (a), (b))
|
|
|
|
/* 18.8: Argument is not an identifier. */
|
|
#define NUMARGS( 1, +, 2) (1 + 2)
|
|
|
|
|
|
/* e_19_3.t: Redefinitions of macros. */
|
|
|
|
/* Excerpts from ISO C 6.8.3 "Examples". */
|
|
|
|
#define OBJ_LIKE (1-1)
|
|
#define FTN_LIKE(a) ( a )
|
|
|
|
/* The following redefinitions should be diagnosed. */
|
|
|
|
/* 19.3: */
|
|
#define OBJ_LIKE (0) /* different token sequence */
|
|
|
|
/* ( 1 - 1 ) ; or ( 0 ) ; */
|
|
OBJ_LIKE;
|
|
|
|
/* 19.5: */
|
|
#define FTN_LIKE(b) ( a ) /* different parameter usage */
|
|
|
|
/* ( x ) ; or ( a ) ; */
|
|
FTN_LIKE(x);
|
|
|
|
/* 19.7: Not in ISO C "Examples" */
|
|
#define FTN_LIKE OBJ_LIKE
|
|
|
|
|
|
/* e_23_3.t: ## operator shall not occur at the beginning or at the end of
|
|
replacement list for either form of macro definition. */
|
|
|
|
/* 23.3: In object-like macro. */
|
|
#define con ## name
|
|
#define cat 12 ##
|
|
|
|
/* 23.4: In function-like macro. */
|
|
#define CON( a, b) ## a ## b
|
|
#define CAT( b, c) b ## c ##
|
|
|
|
|
|
/* e_24_6.t: Operand of # operator in function-like macro definition shall
|
|
be a parameter name. */
|
|
|
|
/* 24.6: */
|
|
#define FUNC( a) # b
|
|
|
|
|
|
/* e_25_6.t: Macro arguments are pre-expanded separately. */
|
|
|
|
/* 25.6: */
|
|
#define sub( x, y) (x - y)
|
|
#define head sub(
|
|
#define body(x,y) x,y
|
|
#define tail )
|
|
#define head_body_tail( a, b, c) a b c
|
|
/* "head" is once replaced to "sub(", then rescanning of "sub(" causes an
|
|
uncompleted macro call. Expansion of an argument should complete
|
|
within the argument. */
|
|
head_body_tail( head, body(a,b), tail);
|
|
|
|
|
|
/* e_27_7.t: Error of rescanning. */
|
|
|
|
/* 27.7: Rescanning of macro should complete in the macro call. */
|
|
/* 'add(' causes "unterminated macro call" error. */
|
|
head a,b );
|
|
|
|
/* 27.8: */
|
|
#define TWO_TOKENS a,b
|
|
#define SUB( x, y) sub( x, y)
|
|
/* Too many arguments error while rescanning after once replaced to:
|
|
sub( a,b, 1); */
|
|
SUB( TWO_TOKENS, 1);
|
|
|
|
|
|
/* e_29_3.t: #undef errors. */
|
|
|
|
/* 29.3: Not an identifier. */
|
|
#undef "string"
|
|
#undef 123
|
|
|
|
/* 29.4: Excessive token sequence. */
|
|
#undef MACRO_0 Junk
|
|
|
|
/* 29.5: No argument. */
|
|
#undef
|
|
|
|
|
|
/* e_31.t: Illegal macro calls. */
|
|
|
|
/* 31.1: Too many arguments error. */
|
|
sub( x, y, z);
|
|
|
|
/* 31.2: Too few arguments error. */
|
|
sub( x);
|
|
|
|
|
|
/* e_31_3.t: Macro call in control line should complete in the line. */
|
|
|
|
#define glue( a, b) a ## b
|
|
#define str( s) # s
|
|
#define xstr( s) str( s)
|
|
|
|
/* 31.3: Unterminated macro call. */
|
|
#include xstr( glue( header,
|
|
.h))
|
|
|
|
|
|
/* e_32_5.t: Character constant is forbidden in #if expression. */
|
|
|
|
/* 32.5: */
|
|
#if '\x12' == 0x12
|
|
#endif
|
|
|
|
|
|
/* Error of "unterminated #if section started at line 177" will be reported
|
|
at end of file. */
|
|
|