Add the clang library to the repo (with some of my changes, too).

1 files changed, 289 insertions, 0 deletions

diff --git a/clang/test/Sema/array-init.c b/clang/test/Sema/array-init.c
new file mode 100644
index 0000000..26c0b24
--- /dev/null
+++ b/clang/test/Sema/array-init.c
@@ -0,0 +1,289 @@
+// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
+
+extern int foof() = 1; // expected-error{{illegal initializer (only variables can be initialized)}}
+
+static int x, y, z;
+
+static int ary[] = { x, y, z }; // expected-error{{initializer element is not a compile-time constant}}
+int ary2[] = { x, y, z }; // expected-error{{initializer element is not a compile-time constant}}
+
+extern int fileScopeExtern[3] = { 1, 3, 5 }; // expected-warning{{'extern' variable has an initializer}}
+
+static long ary3[] = { 1, "abc", 3, 4 }; // expected-warning{{incompatible pointer to integer conversion initializing 'long' with an expression of type 'char [4]'}}
+
+void func() {
+  int x = 1;
+
+  typedef int TInt = 1; // expected-error{{illegal initializer (only variables can be initialized)}}
+
+  int xComputeSize[] = { 1, 3, 5 };
+
+  int x3[x] = { 1, 2 }; // expected-error{{variable-sized object may not be initialized}}
+
+  int x4 = { 1, 2 }; // expected-warning{{excess elements in scalar initializer}}
+
+  int y[4][3] = { 
+    { 1, 3, 5 },
+    { 2, 4, 6 },
+    { 3, 5, 7 },
+  };
+
+  int y2[4][3] = {
+    1, 3, 5, 2, 4, 6, 3, 5, 7
+  };
+
+  int y3[4][3] = {  
+    { 1, 3, 5 },
+    { 2, 4, 6 },
+    { 3, 5, 7 },
+    { 4, 6, 8 },
+    { 5 }, // expected-warning{{excess elements in array initializer}}
+  };
+
+  struct threeElements {
+    int a,b,c;
+  } z = { 1 };
+
+  struct threeElements *p = 7; // expected-warning{{incompatible integer to pointer conversion initializing 'struct threeElements *' with an expression of type 'int'}}
+  
+  extern int blockScopeExtern[3] = { 1, 3, 5 }; // expected-error{{'extern' variable cannot have an initializer}}
+  
+  static long x2[3] = { 1.0,
+                        "abc", // expected-warning{{incompatible pointer to integer conversion initializing 'long' with an expression of type 'char [4]'}}
+                         5.8 }; // expected-warning {{implicit conversion turns literal floating-point number into integer}}
+}
+
+void test() {
+  int y1[3] = { 
+    { 1, 2, 3 } // expected-warning{{excess elements in scalar initializer}}
+  };
+  int y3[4][3] = {  
+    { 1, 3, 5 },
+    { 2, 4, 6 },
+    { 3, 5, 7 },
+    { 4, 6, 8 },
+    {  }, // expected-warning{{use of GNU empty initializer extension}} expected-warning{{excess elements in array initializer}}
+  };
+  int y4[4][3] = {  
+    { 1, 3, 5, 2 }, // expected-warning{{excess elements in array initializer}}
+    { 4, 6 },
+    { 3, 5, 7 },
+    { 4, 6, 8 },
+  };
+}
+
+void allLegalAndSynonymous() {
+  short q[4][3][2] = {
+    { 1 },
+    { 2, 3 },
+    { 4, 5, 6 }
+  };
+  short q2[4][3][2] = {
+    { 1, 0, 0, 0, 0, 0 },
+    { 2, 3, 0, 0, 0, 0 },
+    { 4, 5, 6 }
+  };
+  short q3[4][3][2] = {
+    { 
+      { 1 },
+    },
+    { 
+      { 2, 3 },
+    },
+    { 
+      { 4, 5 },
+      { 6 },
+    },
+  };
+}
+
+void legal() {
+  short q[][3][2] = {
+    { 1 },
+    { 2, 3 },
+    { 4, 5, 6 }
+  };
+  int q_sizecheck[(sizeof(q) / sizeof(short [3][2])) == 3? 1 : -1];
+}
+
+unsigned char asso_values[] = { 34 };
+int legal2() { 
+  return asso_values[0]; 
+}
+
+void illegal() {
+  short q2[4][][2] = { // expected-error{{array has incomplete element type 'short [][2]'}}
+    { 1, 0, 0, 0, 0, 0 },
+    { 2, 3, 0, 0, 0, 0 },
+    { 4, 5, 6 }
+  };
+  short q3[4][3][] = { // expected-error{{array has incomplete element type 'short []'}}
+    { 
+      { 1 },
+    },
+    { 
+      { 2, 3 },
+    },
+    { 
+      { 4, 5 },
+      { 6 },
+    },
+  };
+  int a[][] = { 1, 2 }; // expected-error{{array has incomplete element type 'int []'}}
+}
+
+typedef int AryT[];
+
+void testTypedef()
+{
+  AryT a = { 1, 2 }, b = { 3, 4, 5 };
+  int a_sizecheck[(sizeof(a) / sizeof(int)) == 2? 1 : -1];
+  int b_sizecheck[(sizeof(b) / sizeof(int)) == 3? 1 : -1];
+}
+
+static char const xx[] = "test";
+int xx_sizecheck[(sizeof(xx) / sizeof(char)) == 5? 1 : -1];
+static char const yy[5] = "test";
+static char const zz[3] = "test"; // expected-warning{{initializer-string for char array is too long}}
+
+void charArrays() {
+  static char const test[] = "test";
+  int test_sizecheck[(sizeof(test) / sizeof(char)) == 5? 1 : -1];
+  static char const test2[] = { "weird stuff" };
+  static char const test3[] = { "test", "excess stuff" }; // expected-warning{{excess elements in char array initializer}}
+
+  char* cp[] = { "Hello" };
+
+  char c[] = { "Hello" };
+  int l[sizeof(c) == 6 ? 1 : -1];
+  
+  int i[] = { "Hello "}; // expected-warning{{incompatible pointer to integer conversion initializing 'int' with an expression of type 'char [7]'}}
+  char c2[] = { "Hello", "Good bye" }; //expected-warning{{excess elements in char array initializer}}
+
+  int i2[1] = { "Hello" }; //expected-warning{{incompatible pointer to integer conversion initializing 'int' with an expression of type 'char [6]'}}
+  char c3[5] = { "Hello" };
+  char c4[4] = { "Hello" }; //expected-warning{{initializer-string for char array is too long}}
+
+  int i3[] = {}; //expected-warning{{zero size arrays are an extension}} expected-warning{{use of GNU empty initializer extension}}
+}
+
+void variableArrayInit() {
+  int a = 4;
+  char strlit[a] = "foo"; //expected-error{{variable-sized object may not be initialized}}
+  int b[a] = { 1, 2, 4 }; //expected-error{{variable-sized object may not be initialized}}
+}
+
+// Pure array tests
+float r1[10] = {{7}}; //expected-warning{{braces around scalar initializer}}
+float r2[] = {{8}}; //expected-warning{{braces around scalar initializer}}
+char r3[][5] = {1,2,3,4,5,6};
+int r3_sizecheck[(sizeof(r3) / sizeof(char[5])) == 2? 1 : -1];
+char r3_2[sizeof r3 == 10 ? 1 : -1];
+float r4[1][2] = {1,{2},3,4}; //expected-warning{{braces around scalar initializer}} expected-warning{{excess elements in array initializer}}
+char r5[][5] = {"aa", "bbb", "ccccc"};
+char r6[sizeof r5 == 15 ? 1 : -1];
+const char r7[] = "zxcv";
+char r8[5] = "5char";
+char r9[5] = "6chars"; //expected-warning{{initializer-string for char array is too long}}
+
+int r11[0] = {}; //expected-warning{{zero size arrays are an extension}} expected-warning{{use of GNU empty initializer extension}}
+
+// Some struct tests
+void autoStructTest() {
+struct s1 {char a; char b;} t1;
+struct s2 {struct s1 c;} t2 = { t1 };
+// The following is a less than great diagnostic (though it's on par with EDG).
+struct s1 t3[] = {t1, t1, "abc", 0}; //expected-warning{{incompatible pointer to integer conversion initializing 'char' with an expression of type 'char [4]'}}
+int t4[sizeof t3 == 6 ? 1 : -1];
+}
+struct foo { int z; } w;
+int bar (void) { 
+  struct foo z = { w }; //expected-error{{initializing 'int' with an expression of incompatible type 'struct foo'}}
+  return z.z; 
+} 
+struct s3 {void (*a)(void);} t5 = {autoStructTest};
+struct {int a; int b[];} t6 = {1, {1, 2, 3}}; // expected-warning{{flexible array initialization is a GNU extension}} \
+// expected-note{{initialized flexible array member 'b' is here}}
+union {char a; int b;} t7[] = {1, 2, 3};
+int t8[sizeof t7 == (3*sizeof(int)) ? 1 : -1];
+
+struct bittest{int : 31, a, :21, :12, b;};
+struct bittest bittestvar = {1, 2, 3, 4}; //expected-warning{{excess elements in struct initializer}}
+
+// Not completely sure what should happen here...
+int u1 = {}; //expected-warning{{use of GNU empty initializer extension}} expected-error{{scalar initializer cannot be empty}}
+int u2 = {{3}}; //expected-warning{{too many braces around scalar initializer}}
+
+// PR2362
+void varArray() {
+  int c[][x] = { 0 }; //expected-error{{variable-sized object may not be initialized}}
+}
+
+// PR2151
+void emptyInit() {struct {} x[] = {6};} //expected-warning{{empty struct is a GNU extension}} \
+// expected-error{{initializer for aggregate with no elements}}
+
+void noNamedInit() {
+  struct {int:5;} x[] = {6}; //expected-error{{initializer for aggregate with no elements}}
+}
+struct {int a; int:5;} noNamedImplicit[] = {1,2,3};
+int noNamedImplicitCheck[sizeof(noNamedImplicit) == 3 * sizeof(*noNamedImplicit) ? 1 : -1];
+
+
+// ptrs are constant
+struct soft_segment_descriptor {
+  long ssd_base;
+};
+static int dblfault_tss;
+
+union uniao { int ola; } xpto[1];
+
+struct soft_segment_descriptor gdt_segs[] = {
+  {(long) &dblfault_tss},
+  { (long)xpto},
+};
+
+static void sppp_ipv6cp_up();
+const struct {} ipcp = { sppp_ipv6cp_up }; //expected-warning{{empty struct is a GNU extension}} \
+// expected-warning{{excess elements in struct initializer}}
+
+struct _Matrix { union { float m[4][4]; }; }; //expected-warning{{anonymous unions are a C11 extension}}
+typedef struct _Matrix Matrix;
+void test_matrix() {
+  const Matrix mat1 = {
+    { { 1.0f, 2.0f, 3.0f, 4.0f,
+        5.0f, 6.0f, 7.0f, 8.0f,
+        9.0f, 10.0f, 11.0f, 12.0f,
+        13.0f, 14.0f, 15.0f, 16.0f } }
+  };
+
+  const Matrix mat2 = {
+    1.0f, 2.0f, 3.0f, 4.0f,
+    5.0f, 6.0f, 7.0f, 8.0f,
+    9.0f, 10.0f, 11.0f, 12.0f,
+    13.0f, 14.0f, 15.0f, 16.0f 
+  };
+}
+
+char badchararray[1] = { badchararray[0], "asdf" }; // expected-warning {{excess elements in array initializer}} expected-error {{initializer element is not a compile-time constant}}
+
+// Test the GNU extension for initializing an array from an array
+// compound literal. PR9261.
+typedef int int5[5];
+int a1[5] = (int[]){1, 2, 3, 4, 5}; // expected-warning{{initialization of an array of type 'int [5]' from a compound literal of type 'int [5]' is a GNU extension}}
+int a2[5] = (int[5]){1, 2, 3, 4, 5}; // expected-warning{{initialization of an array of type 'int [5]' from a compound literal of type 'int [5]' is a GNU extension}}
+int a3[] = ((int[]){1, 2, 3, 4, 5}); // expected-warning{{initialization of an array of type 'int []' from a compound literal of type 'int [5]' is a GNU extension}}
+int a4[] = (int[5]){1, 2, 3, 4, 5}; // expected-warning{{initialization of an array of type 'int []' from a compound literal of type 'int [5]' is a GNU extension}}
+int a5[] = (int5){1, 2, 3, 4, 5}; // expected-warning{{initialization of an array of type 'int []' from a compound literal of type 'int5' (aka 'int [5]') is a GNU extension}}
+
+int a6[5] = (int[]){1, 2, 3}; // expected-error{{cannot initialize array of type 'int [5]' with array of type 'int [3]'}}
+
+int nonconst_value();
+int a7[5] = (int[5]){ 1, 2, 3, 4, nonconst_value() }; // expected-error{{initializer element is not a compile-time constant}}
+
+// <rdar://problem/10636946>
+__attribute__((weak)) const unsigned int test10_bound = 10;
+char test10_global[test10_bound]; // expected-error {{variable length array declaration not allowed at file scope}}
+void test10() {
+  char test10_local[test10_bound] = "help"; // expected-error {{variable-sized object may not be initialized}}
+}