Commit a016fb8c62
Changed files (2)
src-self-hosted
test
src-self-hosted/translate_c.zig
@@ -5523,24 +5523,58 @@ fn parseCPrimaryExpr(c: *Context, it: *CTokenList.Iterator, source: []const u8,
return error.ParseError;
}
+ const lparen = try appendToken(c, .LParen, "(");
+
if (saw_integer_literal) {
- // @intToPtr(dest, x)
+ //( if (@typeInfo(dest) == .Pointer))
+ // @intToPtr(dest, x)
+ //else
+ // @as(dest, x) )
+ const if_node = try transCreateNodeIf(c);
+ const type_info_node = try transCreateNodeBuiltinFnCall(c, "@typeInfo");
+ try type_info_node.params.push(inner_node);
+ type_info_node.rparen_token = try appendToken(c, .LParen, ")");
+ const cmp_node = try c.a().create(ast.Node.InfixOp);
+ cmp_node.* = .{
+ .op_token = try appendToken(c, .EqualEqual, "=="),
+ .lhs = &type_info_node.base,
+ .op = .EqualEqual,
+ .rhs = try transCreateNodeEnumLiteral(c, "Pointer"),
+ };
+ if_node.condition = &cmp_node.base;
+ _ = try appendToken(c, .RParen, ")");
+
const int_to_ptr = try transCreateNodeBuiltinFnCall(c, "@intToPtr");
try int_to_ptr.params.push(inner_node);
try int_to_ptr.params.push(node_to_cast);
int_to_ptr.rparen_token = try appendToken(c, .RParen, ")");
- return &int_to_ptr.base;
+ if_node.body = &int_to_ptr.base;
+
+ const else_node = try transCreateNodeElse(c);
+ if_node.@"else" = else_node;
+
+ const as_node = try transCreateNodeBuiltinFnCall(c, "@as");
+ try as_node.params.push(inner_node);
+ try as_node.params.push(node_to_cast);
+ as_node.rparen_token = try appendToken(c, .RParen, ")");
+ else_node.body = &as_node.base;
+
+ const group_node = try c.a().create(ast.Node.GroupedExpression);
+ group_node.* = .{
+ .lparen = lparen,
+ .expr = &if_node.base,
+ .rparen = try appendToken(c, .RParen, ")"),
+ };
+ return &group_node.base;
}
//( if (@typeInfo(@TypeOf(x)) == .Pointer)
// @ptrCast(dest, @alignCast(@alignOf(dest.Child), x))
- //else if (@typeInfo(@TypeOf(x)) == .Integer and @typeInfo(dest) == .Pointer))
+ //else if (@typeInfo(@TypeOf(x)) == .Int and @typeInfo(dest) == .Pointer))
// @intToPtr(dest, x)
//else
// @as(dest, x) )
- const lparen = try appendToken(c, .LParen, "(");
-
const if_1 = try transCreateNodeIf(c);
const type_id_1 = try transCreateNodeBuiltinFnCall(c, "@typeInfo");
const type_of_1 = try transCreateNodeBuiltinFnCall(c, "@TypeOf");
test/translate_c.zig
@@ -2895,20 +2895,13 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\}
});
- cases.add("Cast from integer literals to poiter",
+ cases.add("macro integer literal casts",
\\#define NULL ((void*)0)
- \\#define GPIO_0_MEM_MAP ((unsigned*)0x8000)
- \\#define GPIO_1_MEM_MAP ((unsigned*)0x8004)
- \\#define GPIO_2_MEM_MAP ((unsigned*)0x8008)
- \\
+ \\#define FOO ((int)0x8000)
, &[_][]const u8{
- \\pub const NULL = @intToPtr(?*c_void, 0);
- ,
- \\pub const GPIO_0_MEM_MAP = @intToPtr([*c]c_uint, 0x8000);
- ,
- \\pub const GPIO_1_MEM_MAP = @intToPtr([*c]c_uint, 0x8004);
+ \\pub const NULL = (if (@typeInfo(?*c_void) == .Pointer) @intToPtr(?*c_void, 0) else @as(?*c_void, 0));
,
- \\pub const GPIO_2_MEM_MAP = @intToPtr([*c]c_uint, 0x8008);
+ \\pub const FOO = (if (@typeInfo(c_int) == .Pointer) @intToPtr(c_int, 0x8000) else @as(c_int, 0x8000));
});
if (std.Target.current.abi == .msvc) {