lol

1 files changed, 424 insertions, 0 deletions

diff --git a/tinycc/tests/tests2/90_struct-init.c b/tinycc/tests/tests2/90_struct-init.c
new file mode 100644
index 0000000..4a71a93
--- /dev/null
+++ b/tinycc/tests/tests2/90_struct-init.c
@@ -0,0 +1,424 @@
+typedef unsigned char u8;
+typedef struct {} empty_s;
+struct contains_empty {
+    u8 a;
+    empty_s empty;
+    u8 b;
+};
+struct contains_empty ce = { { (1) }, (empty_s){}, 022, };
+/* The following decl of 'q' would demonstrate the TCC bug in init_putv when
+   handling copying compound literals.  (Compound literals
+   aren't acceptable constant initializers in isoc99, but
+   we accept them like gcc, except for this case)
+//char *q = (char *){ "trara" }; */
+struct SS {u8 a[3], b; };
+struct SS sinit16[] = { { 1 }, 2 };
+struct S
+{
+  u8 a,b;
+  u8 c[2];
+};
+
+struct T
+{
+  u8 s[16];
+  u8 a;
+};
+
+struct U
+{
+  u8 a;
+  struct S s;
+  u8 b;
+  struct T t;
+};
+
+struct V
+{
+  struct S s;
+  struct T t;
+  u8 a;
+};
+
+struct W
+{
+  struct V t;
+  struct S s[];
+};
+
+struct S gs = ((struct S){1, 2, 3, 4});
+struct S gs2 = {1, 2, {3, 4}};
+struct T gt = {"hello", 42};
+struct U gu = {3, 5,6,7,8, 4, "huhu", 43};
+struct U gu2 = {3, {5,6,7,8}, 4, {"huhu", 43}};
+/* Optional braces around scalar initializers.  Accepted, but with
+   a warning.  */
+struct U gu3 = { {3}, {5,6,7,8,}, 4, {"huhu", 43}};
+/* Many superfluous braces and leaving out one initializer for U.s.c[1] */
+struct U gu4 = { 3, {5,6,7,},  5, { "bla", {44}} };
+/* Superfluous braces and useless parens around values */
+struct S gs3 = { (1), {(2)}, {(((3))), {4}}};
+/* Superfluous braces, and leaving out braces for V.t, plus cast */
+struct V gv = {{{3},4,{5,6}}, "haha", (u8)45, 46};
+/* Compound literal */
+struct V gv2 = {(struct S){7,8,{9,10}}, {"hihi", 47}, 48};
+/* Parens around compound literal */
+struct V gv3 = {((struct S){7,8,{9,10}}), {"hoho", 49}, 50};
+/* Initialization of a flex array member (warns in GCC) */
+struct W gw = {{1,2,3,4}, {1,2,3,4,5}};
+
+union UU {
+    u8 a;
+    u8 b;
+};
+struct SU {
+    union UU u;
+    u8 c;
+};
+struct SU gsu = {5,6};
+
+/* Unnamed struct/union members aren't ISO C, but it's a widely accepted
+   extension.  See below for further extensions to that under -fms-extension.*/
+union UV {
+    struct {u8 a,b;};
+    struct S s;
+};
+union UV guv = {{6,5}};
+union UV guv2 = {{.b = 7, .a = 8}};
+union UV guv3 = {.b = 8, .a = 7};
+
+struct SSU {
+    int y;
+    struct { int x; };
+};
+struct SSU gssu1 = { .y = 5, .x = 3 };
+struct SSU gssu2 = { 5, 3 };
+
+/* Under -fms-extensions also the following is valid:
+union UV2 {
+    struct Anon {u8 a,b;};    // unnamed member, but tagged struct, ...
+    struct S s;
+};
+struct Anon gan = { 10, 11 }; // ... which makes it available here.
+union UV2 guv4 = {{4,3}};     // and the other inits from above as well
+*/
+
+struct in6_addr {
+    union {
+	u8 u6_addr8[16];
+	unsigned short u6_addr16[8];
+    } u;
+};
+struct flowi6 {
+    struct in6_addr saddr, daddr;
+};
+struct pkthdr {
+    struct in6_addr daddr, saddr;
+};
+struct pkthdr phdr = { { { 6,5,4,3 } }, { { 9,8,7,6 } } };
+
+struct Wrap {
+    void *func;
+};
+int global;
+void inc_global (void)
+{
+  global++;
+}
+
+struct Wrap global_wrap[] = {
+    ((struct Wrap) {inc_global}),
+    inc_global,
+};
+
+#include <stdio.h>
+void print_ (const char *name, const u8 *p, long size)
+{
+  printf ("%s:", name);
+  while (size--) {
+      printf (" %x", *p++);
+  }
+  printf ("\n");
+}
+#define print(x) print_(#x, (u8*)&x, sizeof (x))
+#if 1
+void foo (struct W *w, struct pkthdr *phdr_)
+{
+  struct S ls = {1, 2, 3, 4};
+  struct S ls2 = {1, 2, {3, 4}};
+  struct T lt = {"hello", 42};
+  struct U lu = {3, 5,6,7,8, 4, "huhu", 43};
+  struct U lu1 = {3, ls, 4, {"huhu", 43}};
+  struct U lu2 = {3, (ls), 4, {"huhu", 43}};
+  const struct S *pls = &ls;
+  struct S ls21 = *pls;
+  struct U lu22 = {3, *pls, 4, {"huhu", 43}};
+  /* Incomplete bracing.  */
+  struct U lu21 = {3, ls, 4, "huhu", 43};
+  /* Optional braces around scalar initializers.  Accepted, but with
+     a warning.  */
+  struct U lu3 = { 3, {5,6,7,8,}, 4, {"huhu", 43}};
+  /* Many superfluous braces and leaving out one initializer for U.s.c[1] */
+  struct U lu4 = { 3, {5,6,7,},  5, { "bla", 44} };
+  /* Superfluous braces and useless parens around values */
+  struct S ls3 = { (1), (2), {(((3))), 4}};
+  /* Superfluous braces, and leaving out braces for V.t, plus cast */
+  struct V lv = {{3,4,{5,6}}, "haha", (u8)45, 46};
+  /* Compound literal */
+  struct V lv2 = {(struct S)w->t.s, {"hihi", 47}, 48};
+  /* Parens around compound literal */
+  struct V lv3 = {((struct S){7,8,{9,10}}), ((const struct W *)w)->t.t, 50};
+  const struct pkthdr *phdr = phdr_;
+  struct flowi6 flow = { .daddr = phdr->daddr, .saddr = phdr->saddr };
+  int elt = 0x42;
+  /* Range init, overlapping */
+  struct T lt2 = { { [1 ... 5] = 9, [6 ... 10] = elt, [4 ... 7] = elt+1 }, 1 };
+  struct SSU lssu1 = { 5, 3 };
+  struct SSU lssu2 = { .y = 5, .x = 3 };
+  /* designated initializers in GNU form */
+#if defined(__GNUC__) || defined(__TINYC__)
+  struct S ls4 = {a: 1, b: 2, c: {3, 4}};
+#else
+  struct S ls4 = {.a = 1, .b = 2, .c = {3, 4}};
+#endif
+  print(ls);
+  print(ls2);
+  print(lt);
+  print(lu);
+  print(lu1);
+  print(lu2);
+  print(ls21);
+  print(lu21);
+  print(lu22);
+  print(lu3);
+  print(lu4);
+  print(ls3);
+  print(lv);
+  print(lv2);
+  print(lv3);
+  print(lt2);
+  print(lssu1);
+  print(lssu2);
+  print(flow);
+  print(ls4);
+}
+#endif
+
+void test_compound_with_relocs (void)
+{
+  struct Wrap local_wrap[] = {
+      ((struct Wrap) {inc_global}),
+      inc_global,
+  };
+  void (*p)(void);
+  p = global_wrap[0].func; p();
+  p = global_wrap[1].func; p();
+  p = local_wrap[0].func; p();
+  p = local_wrap[1].func; p();
+}
+
+void sys_ni(void) { printf("ni\n"); }
+void sys_one(void) { printf("one\n"); }
+void sys_two(void) { printf("two\n"); }
+void sys_three(void) { printf("three\n"); }
+void sys_four(void) { printf("four\n"); }
+typedef void (*fptr)(void);
+
+#define array_size(a) (sizeof a / sizeof a[0])
+
+void test_multi_relocs(void)
+{
+  int i;
+
+  static const fptr tabl1[4] = {
+      [0 ... 3] = &sys_ni,
+      [0] = sys_one,
+      [1] = sys_two,
+      [2] = sys_three,
+      sys_four,
+      [1 ... 2] = &sys_ni,
+      [1] = 0,
+  };
+  for (i = 0; i < array_size(tabl1); i++)
+    if (tabl1[i])
+      tabl1[i]();
+    else
+      printf("(0)\n");
+
+  const fptr tabl2[4] = {
+      [0 ... 3] = &sys_ni,
+      [0] = sys_one,
+      [1] = sys_two,
+      [2] = sys_three,
+      sys_four,
+      [1 ... 2] = &sys_ni,
+      [1] = 0,
+  };
+  for (i = 0; i < array_size(tabl2); i++)
+    if (tabl2[i])
+      tabl2[i]();
+    else
+      printf("(0)\n");
+
+  int c = 0;
+  int dd[] = {
+    [0 ... 1] = ++c,
+    [2 ... 3] = ++c
+  };
+  for (i = 0; i < array_size(dd); i++)
+    printf(" %d", dd[i]);
+  printf("\n");
+
+  /* multi-dimensional flex array with range initializers */
+  static char m1[][2][3] = {[0 ... 2]={{3,4,5},{6,7,8}},{{9},10},"abc"};
+  char        m2[][2][3] = {[0 ... 2]={{3,4,5},{6,7,8}},{{9},10},"abc"};
+  int g, j, k;
+  for (g = 2; g-- > 0;) {
+    printf("mdfa %s: %d -", "locl\0glob" + g * 5, sizeof m1);
+    for (i = 0; i < array_size(m1); i++)
+    for (j = 0; j < array_size(m1[0]); j++)
+    for (k = 0; k < array_size(m1[0][0]); k++)
+      printf(" %d", (g ? m1:m2)[i][j][k]);
+    printf("\n");
+  }
+}
+
+void test_init_ranges(void) {
+    int i,c=0;
+    static void *gostring[] = {
+        [0 ... 31] = &&l_bad, [127] = &&l_bad,
+        [32 ... 126] = &&l_loop,
+        ['\\'] = &&l_esc, ['"'] = &&l_qdown,
+        [128 ... 191] = &&l_bad,
+        [192 ... 223] = &&l_utf8_2,
+        [224 ... 239] = &&l_utf8_3,
+        [240 ... 247] = &&l_utf8_4,
+        [248 ... 255] = &&l_bad
+    };
+
+    for (i = 0; i < 256; i++) {
+        goto *gostring[i];
+        l_bad: c++;
+        l_loop: c++;
+        l_esc: c++;
+        l_qdown: c++;
+        l_utf8_2: c++;
+        l_utf8_3: c++;
+        l_utf8_4: c++;
+    }
+    printf ("%d\n", c);
+}
+
+
+/* Following is from GCC gcc.c-torture/execute/20050613-1.c.  */
+
+struct SEA { int i; int j; int k; int l; };
+struct SEB { struct SEA a; int r[1]; };
+struct SEC { struct SEA a; int r[0]; };
+struct SED { struct SEA a; int r[]; };
+
+static void
+test_correct_filling (struct SEA *x)
+{
+  static int i;
+  if (x->i != 0 || x->j != 5 || x->k != 0 || x->l != 0)
+    printf("sea_fill%d: wrong\n", i);
+  else
+    printf("sea_fill%d: okay\n", i);
+  i++;
+}
+
+int
+test_zero_init (void)
+{
+  /* The peculiarity here is that only a.j is initialized.  That
+     means that all other members must be zero initialized.  TCC
+     once didn't do that for sub-level designators.  */
+  struct SEB b = { .a.j = 5 };
+  struct SEC c = { .a.j = 5 };
+  struct SED d = { .a.j = 5 };
+  test_correct_filling (&b.a);
+  test_correct_filling (&c.a);
+  test_correct_filling (&d.a);
+  return 0;
+}
+
+void test_init_struct_from_struct(void)
+{
+    int i = 0;
+    struct S {int x,y;}
+        a = {1,2},
+        b = {3,4},
+        c[] = {a,b},
+        d[] = {++i, ++i, ++i, ++i},
+        e[] = {b, (struct S){5,6}}
+        ;
+
+    printf("%s: %d %d %d %d - %d %d %d %d - %d %d %d %d\n",
+        __FUNCTION__,
+        c[0].x,
+        c[0].y,
+        c[1].x,
+        c[1].y,
+        d[0].x,
+        d[0].y,
+        d[1].x,
+        d[1].y,
+        e[0].x,
+        e[0].y,
+        e[1].x,
+        e[1].y
+        );
+}
+
+typedef struct {
+    unsigned int a;
+    unsigned int : 32;
+    unsigned int b;
+    unsigned long long : 64;
+    unsigned int c;
+} tst_bf;
+
+tst_bf arr[] = { { 1, 2, 3 } };
+
+void
+test_init_bf(void)
+{
+    printf ("%s: %d %d %d\n", __FUNCTION__, arr[0].a, arr[0].b, arr[0].c);
+}
+
+
+int main()
+{
+  print(ce);
+  print(gs);
+  print(gs2);
+  print(gt);
+  print(gu);
+  print(gu2);
+  print(gu3);
+  print(gu4);
+  print(gs3);
+  print(gv);
+  print(gv2);
+  print(gv3);
+  print(sinit16);
+  print(gw);
+  print(gsu);
+  print(guv);
+  print(guv.b);
+  print(guv2);
+  print(guv3);
+  print(gssu1);
+  print(gssu2);
+  print(phdr);
+  foo(&gw, &phdr);
+  //printf("q: %s\n", q);
+  test_compound_with_relocs();
+  test_multi_relocs();
+  test_zero_init();
+  test_init_ranges();
+  test_init_struct_from_struct();
+  test_init_bf();
+  return 0;
+}