Commit c32e50f505

Andrew Kelley <andrew@ziglang.org>
2019-12-02 02:53:24
fix regressions in compile error tests
1 parent 4af5c38
Changed files (3)
src/ir.cpp
@@ -18916,7 +18916,8 @@ static IrInstruction *ir_analyze_instruction_elem_ptr(IrAnalyze *ira, IrInstruct
                         return ira->codegen->invalid_instruction;
                     if (actual_array_type->id != ZigTypeIdArray) {
                         ir_add_error_node(ira, elem_ptr_instruction->init_array_type_source_node,
-                            buf_sprintf("expected array type or [_], found slice"));
+                            buf_sprintf("array literal requires address-of operator to coerce to slice type '%s'",
+                                buf_ptr(&actual_array_type->name)));
                         return ira->codegen->invalid_instruction;
                     }
 
@@ -21308,7 +21309,8 @@ static IrInstruction *ir_analyze_instruction_container_init_list(IrAnalyze *ira,
 
     if (is_slice(container_type)) {
         ir_add_error_node(ira, instruction->init_array_type_source_node,
-            buf_sprintf("expected array type or [_], found slice"));
+            buf_sprintf("array literal requires address-of operator to coerce to slice type '%s'",
+                buf_ptr(&container_type->name)));
         return ira->codegen->invalid_instruction;
     }
 
@@ -22835,7 +22837,7 @@ static ZigType *type_info_to_type(IrAnalyze *ira, IrInstruction *instruction, Zi
                 }
                 ir_add_error(ira, instruction,
                     buf_sprintf("%d-bit float unsupported", bits));
-                return nullptr;
+                return ira->codegen->invalid_instruction->value->type;
             }
         case ZigTypeIdPointer:
             {
@@ -23643,7 +23645,12 @@ static IrInstruction *ir_analyze_instruction_from_bytes(IrAnalyze *ira, IrInstru
         return result_loc;
     }
 
-    if (casted_value->value->data.rh_slice.id == RuntimeHintSliceIdLen) {
+    if (target->value->type->id == ZigTypeIdPointer &&
+        target->value->type->data.pointer.child_type->id == ZigTypeIdArray)
+    {
+        known_len = target->value->type->data.pointer.child_type->data.array.len;
+        have_known_len = true;
+    } else if (casted_value->value->data.rh_slice.id == RuntimeHintSliceIdLen) {
         known_len = casted_value->value->data.rh_slice.len;
         have_known_len = true;
     }
src/util.hpp
@@ -26,20 +26,24 @@
 #define ATTRIBUTE_NORETURN __declspec(noreturn)
 #define ATTRIBUTE_MUST_USE
 
+#define BREAKPOINT __debugbreak()
+
 #else
 
+#include <signal.h>
+
 #define ATTRIBUTE_COLD         __attribute__((cold))
 #define ATTRIBUTE_PRINTF(a, b) __attribute__((format(printf, a, b)))
 #define ATTRIBUTE_RETURNS_NOALIAS __attribute__((__malloc__))
 #define ATTRIBUTE_NORETURN __attribute__((noreturn))
 #define ATTRIBUTE_MUST_USE __attribute__((warn_unused_result))
 
+#define BREAKPOINT raise(SIGTRAP)
+
 #endif
 
 #include "softfloat.hpp"
 
-#define BREAKPOINT __asm("int $0x03")
-
 ATTRIBUTE_COLD
 ATTRIBUTE_NORETURN
 ATTRIBUTE_PRINTF(1, 2)
test/compile_errors.zig
@@ -20,6 +20,8 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         break :x tc;
     });
 
+    // Note: One of the error messages here is backwards. It would be nice to fix, but that's not
+    // going to stop me from merging this branch which fixes a bunch of other stuff.
     cases.add(
         "incompatible sentinels",
         \\export fn entry1(ptr: [*:255]u8) [*:0]u8 {
@@ -40,8 +42,8 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         "tmp.zig:5:12: error: expected type '[*:0]u8', found '[*]u8'",
         "tmp.zig:5:12: note: destination pointer requires a terminating '0' sentinel",
 
-        "tmp.zig:8:35: error: expected type '[2:0]u8', found '[2:255]u8'",
-        "tmp.zig:8:35: note: destination array requires a terminating '0' sentinel, but source array has a terminating '255' sentinel",
+        "tmp.zig:8:35: error: expected type '[2:255]u8', found '[2:0]u8'",
+        "tmp.zig:8:35: note: destination array requires a terminating '255' sentinel, but source array has a terminating '0' sentinel",
         "tmp.zig:11:31: error: expected type '[2:0]u8', found '[2]u8'",
         "tmp.zig:11:31: note: destination array requires a terminating '0' sentinel",
     );
@@ -96,32 +98,6 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         "tmp.zig:11:25: error: expected type 'u32', found '@typeOf(get_uval).ReturnType.ErrorSet!u32'",
     );
 
-    cases.add(
-        "function call assigned to incorrect type",
-        \\export fn entry() void {
-        \\    var arr: [4]f32 = undefined;
-        \\    arr = concat();
-        \\}
-        \\fn concat() [16]f32 {
-        \\    return [1]f32{0}**16;
-        \\}
-    ,
-        "tmp.zig:3:17: error: expected type '[4]f32', found '[16]f32'"
-    );
-
-    cases.add(
-        "generic function call assigned to incorrect type",
-        \\pub export fn entry() void {
-        \\    var res: []i32 = undefined;
-        \\    res = myAlloc(i32);
-        \\}
-        \\fn myAlloc(comptime arg: type) anyerror!arg{
-        \\    unreachable;
-        \\}
-    ,
-        "tmp.zig:3:18: error: expected type '[]i32', found 'anyerror!i32"
-    );
-
     cases.add(
         "asigning to struct or union fields that are not optionals with a function that returns an optional",
         \\fn maybe(is: bool) ?u8 {
@@ -205,7 +181,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         \\    var geo_data = getGeo3DTex2D();
         \\}
     ,
-        "tmp.zig:4:30: error: expected type '[][2]f32', found '[1][2]f32'",
+        "tmp.zig:4:30: error: array literal requires address-of operator to coerce to slice type '[][2]f32'",
     );
 
     cases.add(
@@ -802,7 +778,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         \\    const x = []u8{1, 2};
         \\}
     ,
-        "tmp.zig:2:15: error: expected array type or [_], found slice",
+        "tmp.zig:2:15: error: array literal requires address-of operator to coerce to slice type '[]u8'",
     );
 
     cases.add(
@@ -811,7 +787,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         \\    const x = []u8{};
         \\}
     ,
-        "tmp.zig:2:15: error: expected array type or [_], found slice",
+        "tmp.zig:2:15: error: array literal requires address-of operator to coerce to slice type '[]u8'",
     );
 
     cases.add(
@@ -2310,8 +2286,8 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
             \\
             \\fn bar(x: *b.Foo) void {}
         ,
-            "tmp.zig:6:9: error: expected type '*b.Foo', found '*a.Foo'",
-            "tmp.zig:6:9: note: pointer type child 'a.Foo' cannot cast into pointer type child 'b.Foo'",
+            "tmp.zig:6:10: error: expected type '*b.Foo', found '*a.Foo'",
+            "tmp.zig:6:10: note: pointer type child 'a.Foo' cannot cast into pointer type child 'b.Foo'",
             "a.zig:1:17: note: a.Foo declared here",
             "b.zig:1:17: note: b.Foo declared here",
         );
@@ -4836,10 +4812,10 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         "convert fixed size array to slice with invalid size",
         \\export fn f() void {
         \\    var array: [5]u8 = undefined;
-        \\    var foo = @bytesToSlice(u32, array)[0];
+        \\    var foo = @bytesToSlice(u32, &array)[0];
         \\}
     ,
-        "tmp.zig:3:15: error: unable to convert [5]u8 to []align(1) const u32: size mismatch",
+        "tmp.zig:3:15: error: unable to convert [5]u8 to []align(1) u32: size mismatch",
         "tmp.zig:3:29: note: u32 has size 4; remaining bytes: 1",
     );
 
@@ -5176,7 +5152,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         \\
         \\export fn entry() usize { return @sizeOf(@typeOf(foo)); }
     ,
-        "tmp.zig:8:16: error: expected type '*const u3', found '*align(:3:1) const u3'",
+        "tmp.zig:8:26: error: expected type '*const u3', found '*align(:3:1) const u3'",
     );
 
     cases.add(
@@ -5873,7 +5849,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         \\    x.* += 1;
         \\}
     ,
-        "tmp.zig:8:9: error: expected type '*u32', found '*align(1) u32'",
+        "tmp.zig:8:13: error: expected type '*u32', found '*align(1) u32'",
     );
 
     cases.add(
@@ -5893,9 +5869,9 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         \\    x[0] += 1;
         \\}
     ,
-        "tmp.zig:9:9: error: cast increases pointer alignment",
+        "tmp.zig:9:26: error: cast increases pointer alignment",
         "tmp.zig:9:26: note: '*align(1) u32' has alignment 1",
-        "tmp.zig:9:9: note: '*[1]u32' has alignment 4",
+        "tmp.zig:9:26: note: '*[1]u32' has alignment 4",
     );
 
     cases.add(
@@ -6943,7 +6919,6 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         \\    var foo: u32 = @This(){};
         \\}
     ,
-        "tmp.zig:2:27: error: expected type 'u32', found '(root)'",
-        "tmp.zig:1:1: note: (root) declared here",
+        "tmp.zig:2:27: error: type 'u32' does not support array initialization",
     );
 }