Changes in tests/array.cfa [7ae39f0:53692b3]

File:

• tests/array.cfa (modified) (1 diff)

tests/array.cfa

@@ -15 +15 @@
 //
 
-// Tests syntax.  Comments explain semantics.  Test does not show semantics.
-// Mostly illustrates facts about C (with which CFA is being tested to agree).
-// Is a test oracle under `gcc -x c`.
+int a1[0];
+//int a2[*];
+//double a4[3.0];
 
-#ifdef ERR1
-#define E1(...) __VA_ARGS__
-#else
-#define E1(...)
-#endif
+int m1[0][3];
+//int m2[*][*];
+int m4[3][3];
 
-#ifdef ERR2
-#define E2(...) __VA_ARGS__
-#else
-#define E2(...)
-#endif
+typedef int T;
 
-#ifdef ERR3
-#define E3(...) __VA_ARGS__
-#else
-#define E3(...)
-#endif
+int fred() {
+//      int a1[];
+//      int a2[*];
+        int a4[3];
+        int T[3];
+}
 
-    int a1[0];
-E1( int a2[*];       )
-                                                        #ifndef __cforall
-E1( double a4[3.0];  )                                  // BUG 275: CFA accepts but should reject
-                                                        #endif
+int mary( int T[3],
+                  int p1[const 3],
+                  int p2[static 3],
+                  int p3[static const 3]
+        ) {
+}
 
-    int m1[0][3];
-E1( int m2[*][*];    )
-    int m4[3][3];
+int (*tom())[3] {
+}
 
-    typedef int T;
-
-    int fred(int n) {
-E1(     int a1[];    )
-E1(     int a2[*];   )
-        int a4[3];
-        int T[3];
-        int a5[n];
-    }
-
-    int mary( int T[3],                                 // same as: int *T
-              int p1[const 3],                          // same as: int const *p1
-              int p2[static 3],                         // same as T, but length >=3 checked
-              int p3[static const 3]                    // both above: 3 is static, p3 is const
-        ) {
-    }
-
-    // function taking (), returning pointer to array of ints
-    int (*tom())[3] {
-    }
-
-    // function taking (), returning pointer to function of same type as mary
-    int (*(jane)())( int T[3],
-                     int p1[const 3],
-                     int p2[static 3],
-                     int p3[static const 3]
-        ) {
-    }
-
-    // functions returning same exotic pointers, in CFA's non-onion syntax
-    #ifdef __cforall
-    [ * [3] int ] toms_twin(...) {
-    }
-    [ * [int]( [3] int T,
-               [const 3] int p1,
-               [static 3] int p2,
-               [static const 3] int p3
-             )
-    ] janes_twin(...) {
-    }
-    #endif
-
-    // GCC 11+ gives a false warning (-Wvla-parameter) on the valid (C11 ARM p134-135) combination:
-    // declare with type int[*], define with type int[n].
-    // https://gcc.gnu.org/bugzilla//show_bug.cgi?id=100420 suggests the internal representation of
-    // of a[*] is the same as a[0].
-    // https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wno-vla-parameter explains
-    // the purpose of -Wvla-parameter is to report conflicts between int[] and int[n], which would
-    // understandably also include those between int[42] and int[n].
-    // https://stackoverflow.com/questions/17371645/why-use-an-asterisk-instead-of-an-integer-for-a-vla-array-parameter-of-a-f
-    // explains the declare-*, define-n pattern.
-
-    // To work around the false warning, and keep to this test's purpose of exercising CFA's
-    // handling of exotic C array syntax, what would ideally be demonstrated as a declaration of
-    // fm1, followed by its definition, is instead split into fm1x and fm1y.  And similarly for
-    // fm5.
-
-    int fm1x( int, int, int[][*] );
-    int fm1y( int r, int c, int m[][c] ) {}
-    int fm2( int r, int c, int (*m)[c] ) {}             // same as fm1
-E2( int fm3( int r, int c, int m[][static c] ) {}  )    // that's not static
-E3( int fm4( int r, int c, int m[][] );            )    // m's immediate element type is incomplete
-    int fm5x( int, int, int[*][*] );                    // same as fm1 decl
-                                                        #ifndef __cforall
-    int fm5y( int r, int c, int m[r][c] ) {}            // BUG 276: CFA chokes but should accept
-                                                        // C: same as fm1 defn
-                                                        #endif
-
+int (*(jane)())( int T[3],
+                                 int p1[const 3],
+                                 int p2[static 3],
+                                 int p3[static const 3]
+        ) {
+}
 
 int main() {
-    #pragma GCC warning "Preprocessor started"          // force non-empty .expect file, NO TABS!!!
+    #pragma GCC warning "Compiled"                      // force non-empty .expect file, NO TABS!!!
 }