mirror of
https://github.com/ziglang/zig.git
synced 2024-11-15 08:33:06 +00:00
2540 lines
74 KiB
Zig
2540 lines
74 KiB
Zig
const tests = @import("tests.zig");
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const builtin = @import("builtin");
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pub fn addCases(cases: *tests.TranslateCContext) void {
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cases.add("#define hex literal with capital X",
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\\#define VAL 0XF00D
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, &[_][]const u8{
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\\pub const VAL = 0xF00D;
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});
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cases.add("anonymous struct & unions",
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\\typedef struct {
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\\ union {
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\\ char x;
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\\ struct { int y; };
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\\ };
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\\} outer;
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\\void foo(outer *x) { x->y = x->x; }
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, &[_][]const u8{
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\\const struct_unnamed_5 = extern struct {
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\\ y: c_int,
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\\};
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\\const union_unnamed_3 = extern union {
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\\ x: u8,
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\\ unnamed_4: struct_unnamed_5,
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\\};
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\\const struct_unnamed_1 = extern struct {
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\\ unnamed_2: union_unnamed_3,
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\\};
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\\pub const outer = struct_unnamed_1;
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\\pub export fn foo(arg_x: [*c]outer) void {
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\\ var x = arg_x;
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\\ x.*.unnamed_2.unnamed_4.y = @bitCast(c_int, @as(c_uint, x.*.unnamed_2.x));
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\\}
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});
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cases.add("union initializer",
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\\union { int x; char c[4]; }
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\\ ua = {1},
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\\ ub = {.c={'a','b','b','a'}};
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, &[_][]const u8{
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\\const union_unnamed_1 = extern union {
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\\ x: c_int,
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\\ c: [4]u8,
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\\};
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\\pub export var ua: union_unnamed_1 = union_unnamed_1{
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\\ .x = @as(c_int, 1),
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\\};
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\\pub export var ub: union_unnamed_1 = union_unnamed_1{
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\\ .c = .{
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\\ @bitCast(u8, @truncate(i8, @as(c_int, 'a'))),
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\\ @bitCast(u8, @truncate(i8, @as(c_int, 'b'))),
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\\ @bitCast(u8, @truncate(i8, @as(c_int, 'b'))),
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\\ @bitCast(u8, @truncate(i8, @as(c_int, 'a'))),
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\\ },
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\\};
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});
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cases.add("struct initializer - simple",
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\\typedef struct { int x; } foo;
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\\struct {double x,y,z;} s0 = {1.2, 1.3};
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\\struct {int sec,min,hour,day,mon,year;} s1 = {.day=31,12,2014,.sec=30,15,17};
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\\struct {int x,y;} s2 = {.y = 2, .x=1};
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\\foo s3 = { 123 };
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, &[_][]const u8{
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\\const struct_unnamed_1 = extern struct {
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\\ x: c_int,
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\\};
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\\pub const foo = struct_unnamed_1;
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\\const struct_unnamed_2 = extern struct {
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\\ x: f64,
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\\ y: f64,
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\\ z: f64,
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\\};
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\\pub export var s0: struct_unnamed_2 = struct_unnamed_2{
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\\ .x = 1.2,
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\\ .y = 1.3,
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\\ .z = 0,
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\\};
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\\const struct_unnamed_3 = extern struct {
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\\ sec: c_int,
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\\ min: c_int,
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\\ hour: c_int,
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\\ day: c_int,
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\\ mon: c_int,
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\\ year: c_int,
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\\};
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\\pub export var s1: struct_unnamed_3 = struct_unnamed_3{
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\\ .sec = @as(c_int, 30),
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\\ .min = @as(c_int, 15),
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\\ .hour = @as(c_int, 17),
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\\ .day = @as(c_int, 31),
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\\ .mon = @as(c_int, 12),
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\\ .year = @as(c_int, 2014),
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\\};
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\\const struct_unnamed_4 = extern struct {
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\\ x: c_int,
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\\ y: c_int,
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\\};
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\\pub export var s2: struct_unnamed_4 = struct_unnamed_4{
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\\ .x = @as(c_int, 1),
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\\ .y = @as(c_int, 2),
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\\};
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\\pub export var s3: foo = foo{
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\\ .x = @as(c_int, 123),
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\\};
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});
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cases.add("simple ptrCast for casts between opaque types",
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\\struct opaque;
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\\struct opaque_2;
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\\void function(struct opaque *opaque) {
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\\ struct opaque_2 *cast = (struct opaque_2 *)opaque;
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\\}
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, &[_][]const u8{
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\\pub const struct_opaque = @OpaqueType();
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\\pub const struct_opaque_2 = @OpaqueType();
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\\pub export fn function(arg_opaque_1: ?*struct_opaque) void {
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\\ var opaque_1 = arg_opaque_1;
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\\ var cast: ?*struct_opaque_2 = @ptrCast(?*struct_opaque_2, opaque_1);
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\\}
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});
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cases.add("struct initializer - packed",
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\\struct {int x,y,z;} __attribute__((packed)) s0 = {1, 2};
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, &[_][]const u8{
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\\const struct_unnamed_1 = packed struct {
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\\ x: c_int,
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\\ y: c_int,
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\\ z: c_int,
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\\};
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\\pub export var s0: struct_unnamed_1 = struct_unnamed_1{
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\\ .x = @as(c_int, 1),
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\\ .y = @as(c_int, 2),
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\\ .z = 0,
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\\};
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});
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cases.add("align() attribute",
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\\__attribute__ ((aligned(128)))
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\\extern char my_array[16];
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\\__attribute__ ((aligned(128)))
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\\void my_fn(void) { }
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, &[_][]const u8{
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\\pub extern var my_array: [16]u8 align(128);
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\\pub export fn my_fn() align(128) void {}
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});
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cases.add("linksection() attribute",
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\\// Use the "segment,section" format to make this test pass when
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\\// targeting the mach-o binary format
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\\__attribute__ ((__section__("NEAR,.data")))
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\\extern char my_array[16];
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\\__attribute__ ((__section__("NEAR,.data")))
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\\void my_fn(void) { }
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, &[_][]const u8{
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\\pub extern var my_array: [16]u8 linksection("NEAR,.data");
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\\pub export fn my_fn() linksection("NEAR,.data") void {}
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});
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cases.add("simple function prototypes",
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\\void __attribute__((noreturn)) foo(void);
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\\int bar(void);
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, &[_][]const u8{
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\\pub extern fn foo() noreturn;
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\\pub extern fn bar() c_int;
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});
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cases.add("simple var decls",
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\\void foo(void) {
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\\ int a;
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\\ char b = 123;
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\\ const int c;
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\\ const unsigned d = 440;
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\\ int e = 10;
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\\ unsigned int f = 10u;
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\\}
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, &[_][]const u8{
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\\pub export fn foo() void {
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\\ var a: c_int = undefined;
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\\ var b: u8 = @bitCast(u8, @truncate(i8, @as(c_int, 123)));
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\\ const c: c_int = undefined;
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\\ const d: c_uint = @bitCast(c_uint, @as(c_int, 440));
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\\ var e: c_int = 10;
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\\ var f: c_uint = 10;
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\\}
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});
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cases.add("ignore result, explicit function arguments",
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\\void foo(void) {
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\\ int a;
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\\ 1;
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\\ "hey";
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\\ 1 + 1;
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\\ 1 - 1;
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\\ a = 1;
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\\}
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, &[_][]const u8{
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\\pub export fn foo() void {
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\\ var a: c_int = undefined;
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\\ _ = @as(c_int, 1);
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\\ _ = "hey";
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\\ _ = (@as(c_int, 1) + @as(c_int, 1));
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\\ _ = (@as(c_int, 1) - @as(c_int, 1));
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\\ a = 1;
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\\}
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});
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cases.add("function with no prototype",
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\\int foo() {
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\\ return 5;
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\\}
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, &[_][]const u8{
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\\pub export fn foo() c_int {
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\\ return 5;
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\\}
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});
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cases.add("variables",
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\\extern int extern_var;
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\\static const int int_var = 13;
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, &[_][]const u8{
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\\pub extern var extern_var: c_int;
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,
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\\pub const int_var: c_int = 13;
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});
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cases.add("const ptr initializer",
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\\static const char *v0 = "0.0.0";
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, &[_][]const u8{
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\\pub var v0: [*c]const u8 = "0.0.0";
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});
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cases.add("static incomplete array inside function",
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\\void foo(void) {
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\\ static const char v2[] = "2.2.2";
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\\}
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, &[_][]const u8{
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\\pub export fn foo() void {
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\\ const v2: [*c]const u8 = "2.2.2";
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\\}
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});
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cases.add("simple function definition",
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\\void foo(void) {}
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\\static void bar(void) {}
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, &[_][]const u8{
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\\pub export fn foo() void {}
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\\pub fn bar() callconv(.C) void {}
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});
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cases.add("typedef void",
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\\typedef void Foo;
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\\Foo fun(Foo *a);
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, &[_][]const u8{
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\\pub const Foo = c_void;
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,
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\\pub extern fn fun(a: ?*Foo) Foo;
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});
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cases.add("duplicate typedef",
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\\typedef long foo;
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\\typedef int bar;
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\\typedef long foo;
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\\typedef int baz;
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, &[_][]const u8{
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\\pub const foo = c_long;
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\\pub const bar = c_int;
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\\pub const baz = c_int;
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});
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cases.add("casting pointers to ints and ints to pointers",
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\\void foo(void);
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\\void bar(void) {
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\\ void *func_ptr = foo;
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\\ void (*typed_func_ptr)(void) = (void (*)(void)) (unsigned long) func_ptr;
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\\}
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, &[_][]const u8{
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\\pub extern fn foo() void;
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\\pub export fn bar() void {
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\\ var func_ptr: ?*c_void = @ptrCast(?*c_void, foo);
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\\ var typed_func_ptr: ?fn () callconv(.C) void = @intToPtr(?fn () callconv(.C) void, @intCast(c_ulong, @ptrToInt(func_ptr)));
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\\}
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});
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cases.add("noreturn attribute",
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\\void foo(void) __attribute__((noreturn));
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, &[_][]const u8{
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\\pub extern fn foo() noreturn;
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});
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cases.add("add, sub, mul, div, rem",
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\\int s() {
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\\ int a, b, c;
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\\ c = a + b;
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\\ c = a - b;
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\\ c = a * b;
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\\ c = a / b;
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\\ c = a % b;
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\\}
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\\unsigned u() {
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\\ unsigned a, b, c;
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\\ c = a + b;
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\\ c = a - b;
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\\ c = a * b;
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\\ c = a / b;
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\\ c = a % b;
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\\}
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, &[_][]const u8{
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\\pub export fn s() c_int {
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\\ var a: c_int = undefined;
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\\ var b: c_int = undefined;
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\\ var c: c_int = undefined;
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\\ c = (a + b);
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\\ c = (a - b);
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\\ c = (a * b);
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\\ c = @divTrunc(a, b);
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\\ c = @rem(a, b);
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\\}
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\\pub export fn u() c_uint {
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\\ var a: c_uint = undefined;
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\\ var b: c_uint = undefined;
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\\ var c: c_uint = undefined;
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\\ c = (a +% b);
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\\ c = (a -% b);
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\\ c = (a *% b);
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\\ c = (a / b);
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\\ c = (a % b);
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\\}
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});
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cases.add("typedef of function in struct field",
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\\typedef void lws_callback_function(void);
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\\struct Foo {
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\\ void (*func)(void);
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\\ lws_callback_function *callback_http;
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\\};
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, &[_][]const u8{
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\\pub const lws_callback_function = fn () callconv(.C) void;
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\\pub const struct_Foo = extern struct {
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\\ func: ?fn () callconv(.C) void,
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\\ callback_http: ?lws_callback_function,
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\\};
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});
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cases.add("pointer to struct demoted to opaque due to bit fields",
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\\struct Foo {
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\\ unsigned int: 1;
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\\};
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\\struct Bar {
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\\ struct Foo *foo;
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\\};
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, &[_][]const u8{
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\\pub const struct_Foo = @OpaqueType();
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,
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\\pub const struct_Bar = extern struct {
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\\ foo: ?*struct_Foo,
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\\};
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});
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cases.add("macro with left shift",
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\\#define REDISMODULE_READ (1<<0)
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, &[_][]const u8{
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\\pub const REDISMODULE_READ = 1 << 0;
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});
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cases.add("macro with right shift",
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\\#define FLASH_SIZE 0x200000UL /* 2 MB */
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\\#define FLASH_BANK_SIZE (FLASH_SIZE >> 1) /* 1 MB */
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, &[_][]const u8{
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\\pub const FLASH_SIZE = @as(c_ulong, 0x200000);
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,
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\\pub const FLASH_BANK_SIZE = FLASH_SIZE >> 1;
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});
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cases.add("double define struct",
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\\typedef struct Bar Bar;
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\\typedef struct Foo Foo;
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\\
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\\struct Foo {
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\\ Foo *a;
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\\};
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\\
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\\struct Bar {
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\\ Foo *a;
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\\};
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, &[_][]const u8{
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\\pub const struct_Foo = extern struct {
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\\ a: [*c]Foo,
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\\};
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,
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\\pub const Foo = struct_Foo;
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,
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\\pub const struct_Bar = extern struct {
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\\ a: [*c]Foo,
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\\};
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,
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\\pub const Bar = struct_Bar;
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});
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cases.add("simple struct",
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\\struct Foo {
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\\ int x;
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\\ char *y;
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\\};
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, &[_][]const u8{
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\\const struct_Foo = extern struct {
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\\ x: c_int,
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\\ y: [*c]u8,
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\\};
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,
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\\pub const Foo = struct_Foo;
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});
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cases.add("self referential struct with function pointer",
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\\struct Foo {
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\\ void (*derp)(struct Foo *foo);
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\\};
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, &[_][]const u8{
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\\pub const struct_Foo = extern struct {
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\\ derp: ?fn ([*c]struct_Foo) callconv(.C) void,
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\\};
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,
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\\pub const Foo = struct_Foo;
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});
|
|
|
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cases.add("struct prototype used in func",
|
|
\\struct Foo;
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\\struct Foo *some_func(struct Foo *foo, int x);
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, &[_][]const u8{
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\\pub const struct_Foo = @OpaqueType();
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,
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\\pub extern fn some_func(foo: ?*struct_Foo, x: c_int) ?*struct_Foo;
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,
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\\pub const Foo = struct_Foo;
|
|
});
|
|
|
|
cases.add("#define an unsigned integer literal",
|
|
\\#define CHANNEL_COUNT 24
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, &[_][]const u8{
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\\pub const CHANNEL_COUNT = 24;
|
|
});
|
|
|
|
cases.add("#define referencing another #define",
|
|
\\#define THING2 THING1
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|
\\#define THING1 1234
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, &[_][]const u8{
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\\pub const THING1 = 1234;
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,
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\\pub const THING2 = THING1;
|
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});
|
|
|
|
cases.add("circular struct definitions",
|
|
\\struct Bar;
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|
\\
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\\struct Foo {
|
|
\\ struct Bar *next;
|
|
\\};
|
|
\\
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\\struct Bar {
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\\ struct Foo *next;
|
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\\};
|
|
, &[_][]const u8{
|
|
\\pub const struct_Bar = extern struct {
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\\ next: [*c]struct_Foo,
|
|
\\};
|
|
,
|
|
\\pub const struct_Foo = extern struct {
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\\ next: [*c]struct_Bar,
|
|
\\};
|
|
});
|
|
|
|
cases.add("#define string",
|
|
\\#define foo "a string"
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|
, &[_][]const u8{
|
|
\\pub const foo = "a string";
|
|
});
|
|
|
|
cases.add("zig keywords in C code",
|
|
\\struct comptime {
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\\ int defer;
|
|
\\};
|
|
, &[_][]const u8{
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\\pub const struct_comptime = extern struct {
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\\ @"defer": c_int,
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\\};
|
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,
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\\pub const @"comptime" = struct_comptime;
|
|
});
|
|
|
|
cases.add("macro with parens around negative number",
|
|
\\#define LUA_GLOBALSINDEX (-10002)
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|
, &[_][]const u8{
|
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\\pub const LUA_GLOBALSINDEX = -10002;
|
|
});
|
|
|
|
cases.add(
|
|
"u integer suffix after 0 (zero) in macro definition",
|
|
"#define ZERO 0U",
|
|
&[_][]const u8{
|
|
"pub const ZERO = @as(c_uint, 0);",
|
|
},
|
|
);
|
|
|
|
cases.add(
|
|
"l integer suffix after 0 (zero) in macro definition",
|
|
"#define ZERO 0L",
|
|
&[_][]const u8{
|
|
"pub const ZERO = @as(c_long, 0);",
|
|
},
|
|
);
|
|
|
|
cases.add(
|
|
"ul integer suffix after 0 (zero) in macro definition",
|
|
"#define ZERO 0UL",
|
|
&[_][]const u8{
|
|
"pub const ZERO = @as(c_ulong, 0);",
|
|
},
|
|
);
|
|
|
|
cases.add(
|
|
"lu integer suffix after 0 (zero) in macro definition",
|
|
"#define ZERO 0LU",
|
|
&[_][]const u8{
|
|
"pub const ZERO = @as(c_ulong, 0);",
|
|
},
|
|
);
|
|
|
|
cases.add(
|
|
"ll integer suffix after 0 (zero) in macro definition",
|
|
"#define ZERO 0LL",
|
|
&[_][]const u8{
|
|
"pub const ZERO = @as(c_longlong, 0);",
|
|
},
|
|
);
|
|
|
|
cases.add(
|
|
"ull integer suffix after 0 (zero) in macro definition",
|
|
"#define ZERO 0ULL",
|
|
&[_][]const u8{
|
|
"pub const ZERO = @as(c_ulonglong, 0);",
|
|
},
|
|
);
|
|
|
|
cases.add(
|
|
"llu integer suffix after 0 (zero) in macro definition",
|
|
"#define ZERO 0LLU",
|
|
&[_][]const u8{
|
|
"pub const ZERO = @as(c_ulonglong, 0);",
|
|
},
|
|
);
|
|
|
|
cases.add(
|
|
"bitwise not on u-suffixed 0 (zero) in macro definition",
|
|
"#define NOT_ZERO (~0U)",
|
|
&[_][]const u8{
|
|
"pub const NOT_ZERO = ~@as(c_uint, 0);",
|
|
},
|
|
);
|
|
|
|
cases.add("null statements",
|
|
\\void foo(void) {
|
|
\\ ;;;;;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ {}
|
|
\\ {}
|
|
\\ {}
|
|
\\ {}
|
|
\\ {}
|
|
\\}
|
|
});
|
|
|
|
if (builtin.os != builtin.Os.windows) {
|
|
// Windows treats this as an enum with type c_int
|
|
cases.add("big negative enum init values when C ABI supports long long enums",
|
|
\\enum EnumWithInits {
|
|
\\ VAL01 = 0,
|
|
\\ VAL02 = 1,
|
|
\\ VAL03 = 2,
|
|
\\ VAL04 = 3,
|
|
\\ VAL05 = -1,
|
|
\\ VAL06 = -2,
|
|
\\ VAL07 = -3,
|
|
\\ VAL08 = -4,
|
|
\\ VAL09 = VAL02 + VAL08,
|
|
\\ VAL10 = -1000012000,
|
|
\\ VAL11 = -1000161000,
|
|
\\ VAL12 = -1000174001,
|
|
\\ VAL13 = VAL09,
|
|
\\ VAL14 = VAL10,
|
|
\\ VAL15 = VAL11,
|
|
\\ VAL16 = VAL13,
|
|
\\ VAL17 = (VAL16 - VAL10 + 1),
|
|
\\ VAL18 = 0x1000000000000000L,
|
|
\\ VAL19 = VAL18 + VAL18 + VAL18 - 1,
|
|
\\ VAL20 = VAL19 + VAL19,
|
|
\\ VAL21 = VAL20 + 0xFFFFFFFFFFFFFFFF,
|
|
\\ VAL22 = 0xFFFFFFFFFFFFFFFF + 1,
|
|
\\ VAL23 = 0xFFFFFFFFFFFFFFFF,
|
|
\\};
|
|
, &[_][]const u8{
|
|
\\pub const enum_EnumWithInits = extern enum(c_longlong) {
|
|
\\ VAL01 = 0,
|
|
\\ VAL02 = 1,
|
|
\\ VAL03 = 2,
|
|
\\ VAL04 = 3,
|
|
\\ VAL05 = -1,
|
|
\\ VAL06 = -2,
|
|
\\ VAL07 = -3,
|
|
\\ VAL08 = -4,
|
|
\\ VAL09 = -3,
|
|
\\ VAL10 = -1000012000,
|
|
\\ VAL11 = -1000161000,
|
|
\\ VAL12 = -1000174001,
|
|
\\ VAL13 = -3,
|
|
\\ VAL14 = -1000012000,
|
|
\\ VAL15 = -1000161000,
|
|
\\ VAL16 = -3,
|
|
\\ VAL17 = 1000011998,
|
|
\\ VAL18 = 1152921504606846976,
|
|
\\ VAL19 = 3458764513820540927,
|
|
\\ VAL20 = 6917529027641081854,
|
|
\\ VAL21 = 6917529027641081853,
|
|
\\ VAL22 = 0,
|
|
\\ VAL23 = -1,
|
|
\\};
|
|
});
|
|
}
|
|
|
|
cases.add("predefined expressions",
|
|
\\void foo(void) {
|
|
\\ __func__;
|
|
\\ __FUNCTION__;
|
|
\\ __PRETTY_FUNCTION__;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ _ = "foo";
|
|
\\ _ = "foo";
|
|
\\ _ = "void foo(void)";
|
|
\\}
|
|
});
|
|
|
|
cases.add("constant size array",
|
|
\\void func(int array[20]);
|
|
, &[_][]const u8{
|
|
\\pub extern fn func(array: [*c]c_int) void;
|
|
});
|
|
|
|
cases.add("__cdecl doesn't mess up function pointers",
|
|
\\void foo(void (__cdecl *fn_ptr)(void));
|
|
, &[_][]const u8{
|
|
\\pub extern fn foo(fn_ptr: ?fn () callconv(.C) void) void;
|
|
});
|
|
|
|
cases.add("void cast",
|
|
\\void foo() {
|
|
\\ int a;
|
|
\\ (void) a;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ var a: c_int = undefined;
|
|
\\ _ = a;
|
|
\\}
|
|
});
|
|
|
|
cases.add("implicit cast to void *",
|
|
\\void *foo() {
|
|
\\ unsigned short *x;
|
|
\\ return x;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() ?*c_void {
|
|
\\ var x: [*c]c_ushort = undefined;
|
|
\\ return @ptrCast(?*c_void, x);
|
|
\\}
|
|
});
|
|
|
|
cases.add("null pointer implicit cast",
|
|
\\int* foo(void) {
|
|
\\ return 0;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() [*c]c_int {
|
|
\\ return null;
|
|
\\}
|
|
});
|
|
|
|
cases.add("simple union",
|
|
\\union Foo {
|
|
\\ int x;
|
|
\\ double y;
|
|
\\};
|
|
, &[_][]const u8{
|
|
\\pub const union_Foo = extern union {
|
|
\\ x: c_int,
|
|
\\ y: f64,
|
|
\\};
|
|
,
|
|
\\pub const Foo = union_Foo;
|
|
});
|
|
|
|
cases.add("string literal",
|
|
\\const char *foo(void) {
|
|
\\ return "bar";
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() [*c]const u8 {
|
|
\\ return "bar";
|
|
\\}
|
|
});
|
|
|
|
cases.add("return void",
|
|
\\void foo(void) {
|
|
\\ return;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ return;
|
|
\\}
|
|
});
|
|
|
|
cases.add("for loop",
|
|
\\void foo(void) {
|
|
\\ for (int i = 0; i; i++) { }
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ {
|
|
\\ var i: c_int = 0;
|
|
\\ while (i != 0) : (i += 1) {}
|
|
\\ }
|
|
\\}
|
|
});
|
|
|
|
cases.add("empty for loop",
|
|
\\void foo(void) {
|
|
\\ for (;;) { }
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ while (true) {}
|
|
\\}
|
|
});
|
|
|
|
cases.add("for loop with simple init expression",
|
|
\\void foo(void) {
|
|
\\ int i;
|
|
\\ for (i = 3; i; i--) { }
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ var i: c_int = undefined;
|
|
\\ {
|
|
\\ i = 3;
|
|
\\ while (i != 0) : (i -= 1) {}
|
|
\\ }
|
|
\\}
|
|
});
|
|
|
|
cases.add("break statement",
|
|
\\void foo(void) {
|
|
\\ for (;;) {
|
|
\\ break;
|
|
\\ }
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ while (true) {
|
|
\\ break;
|
|
\\ }
|
|
\\}
|
|
});
|
|
|
|
cases.add("continue statement",
|
|
\\void foo(void) {
|
|
\\ for (;;) {
|
|
\\ continue;
|
|
\\ }
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ while (true) {
|
|
\\ continue;
|
|
\\ }
|
|
\\}
|
|
});
|
|
|
|
cases.add("pointer casting",
|
|
\\float *ptrcast() {
|
|
\\ int *a;
|
|
\\ return (float *)a;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn ptrcast() [*c]f32 {
|
|
\\ var a: [*c]c_int = undefined;
|
|
\\ return @ptrCast([*c]f32, @alignCast(@alignOf(f32), a));
|
|
\\}
|
|
});
|
|
|
|
cases.add("pointer conversion with different alignment",
|
|
\\void test_ptr_cast() {
|
|
\\ void *p;
|
|
\\ {
|
|
\\ char *to_char = (char *)p;
|
|
\\ short *to_short = (short *)p;
|
|
\\ int *to_int = (int *)p;
|
|
\\ long long *to_longlong = (long long *)p;
|
|
\\ }
|
|
\\ {
|
|
\\ char *to_char = p;
|
|
\\ short *to_short = p;
|
|
\\ int *to_int = p;
|
|
\\ long long *to_longlong = p;
|
|
\\ }
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn test_ptr_cast() void {
|
|
\\ var p: ?*c_void = undefined;
|
|
\\ {
|
|
\\ var to_char: [*c]u8 = @ptrCast([*c]u8, @alignCast(@alignOf(u8), p));
|
|
\\ var to_short: [*c]c_short = @ptrCast([*c]c_short, @alignCast(@alignOf(c_short), p));
|
|
\\ var to_int: [*c]c_int = @ptrCast([*c]c_int, @alignCast(@alignOf(c_int), p));
|
|
\\ var to_longlong: [*c]c_longlong = @ptrCast([*c]c_longlong, @alignCast(@alignOf(c_longlong), p));
|
|
\\ }
|
|
\\ {
|
|
\\ var to_char: [*c]u8 = @ptrCast([*c]u8, @alignCast(@alignOf(u8), p));
|
|
\\ var to_short: [*c]c_short = @ptrCast([*c]c_short, @alignCast(@alignOf(c_short), p));
|
|
\\ var to_int: [*c]c_int = @ptrCast([*c]c_int, @alignCast(@alignOf(c_int), p));
|
|
\\ var to_longlong: [*c]c_longlong = @ptrCast([*c]c_longlong, @alignCast(@alignOf(c_longlong), p));
|
|
\\ }
|
|
\\}
|
|
});
|
|
|
|
cases.add("while on non-bool",
|
|
\\int while_none_bool() {
|
|
\\ int a;
|
|
\\ float b;
|
|
\\ void *c;
|
|
\\ while (a) return 0;
|
|
\\ while (b) return 1;
|
|
\\ while (c) return 2;
|
|
\\ return 3;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn while_none_bool() c_int {
|
|
\\ var a: c_int = undefined;
|
|
\\ var b: f32 = undefined;
|
|
\\ var c: ?*c_void = undefined;
|
|
\\ while (a != 0) return 0;
|
|
\\ while (b != 0) return 1;
|
|
\\ while (c != null) return 2;
|
|
\\ return 3;
|
|
\\}
|
|
});
|
|
|
|
cases.add("for on non-bool",
|
|
\\int for_none_bool() {
|
|
\\ int a;
|
|
\\ float b;
|
|
\\ void *c;
|
|
\\ for (;a;) return 0;
|
|
\\ for (;b;) return 1;
|
|
\\ for (;c;) return 2;
|
|
\\ return 3;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn for_none_bool() c_int {
|
|
\\ var a: c_int = undefined;
|
|
\\ var b: f32 = undefined;
|
|
\\ var c: ?*c_void = undefined;
|
|
\\ while (a != 0) return 0;
|
|
\\ while (b != 0) return 1;
|
|
\\ while (c != null) return 2;
|
|
\\ return 3;
|
|
\\}
|
|
});
|
|
|
|
cases.add("bitshift",
|
|
\\int foo(void) {
|
|
\\ return (1 << 2) >> 1;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ return (@as(c_int, 1) << @intCast(@import("std").math.Log2Int(c_int), 2)) >> @intCast(@import("std").math.Log2Int(c_int), 1);
|
|
\\}
|
|
});
|
|
|
|
cases.add("sizeof",
|
|
\\#include <stddef.h>
|
|
\\size_t size_of(void) {
|
|
\\ return sizeof(int);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn size_of() usize {
|
|
\\ return @sizeOf(c_int);
|
|
\\}
|
|
});
|
|
|
|
cases.add("normal deref",
|
|
\\void foo() {
|
|
\\ int *x;
|
|
\\ *x = 1;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ var x: [*c]c_int = undefined;
|
|
\\ x.?.* = 1;
|
|
\\}
|
|
});
|
|
|
|
cases.add("address of operator",
|
|
\\int foo(void) {
|
|
\\ int x = 1234;
|
|
\\ int *ptr = &x;
|
|
\\ return *ptr;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ var x: c_int = 1234;
|
|
\\ var ptr: [*c]c_int = &x;
|
|
\\ return ptr.?.*;
|
|
\\}
|
|
});
|
|
|
|
cases.add("bin not",
|
|
\\int foo() {
|
|
\\ int x;
|
|
\\ return ~x;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ var x: c_int = undefined;
|
|
\\ return ~x;
|
|
\\}
|
|
});
|
|
|
|
cases.add("bool not",
|
|
\\int foo() {
|
|
\\ int a;
|
|
\\ float b;
|
|
\\ void *c;
|
|
\\ return !(a == 0);
|
|
\\ return !a;
|
|
\\ return !b;
|
|
\\ return !c;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ var a: c_int = undefined;
|
|
\\ var b: f32 = undefined;
|
|
\\ var c: ?*c_void = undefined;
|
|
\\ return !(a == @as(c_int, 0));
|
|
\\ return !(a != 0);
|
|
\\ return !(b != 0);
|
|
\\ return !(c != null);
|
|
\\}
|
|
});
|
|
|
|
cases.add("__extension__ cast",
|
|
\\int foo(void) {
|
|
\\ return __extension__ 1;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ return 1;
|
|
\\}
|
|
});
|
|
|
|
if (builtin.os != builtin.Os.windows) {
|
|
// sysv_abi not currently supported on windows
|
|
cases.add("Macro qualified functions",
|
|
\\void __attribute__((sysv_abi)) foo(void);
|
|
, &[_][]const u8{
|
|
\\pub extern fn foo() void;
|
|
});
|
|
}
|
|
|
|
cases.add("Forward-declared enum",
|
|
\\extern enum enum_ty my_enum;
|
|
\\enum enum_ty { FOO };
|
|
, &[_][]const u8{
|
|
\\pub const FOO = @enumToInt(enum_enum_ty.FOO);
|
|
\\pub const enum_enum_ty = extern enum {
|
|
\\ FOO,
|
|
\\};
|
|
\\pub extern var my_enum: enum_enum_ty;
|
|
});
|
|
|
|
cases.add("Parameterless function pointers",
|
|
\\typedef void (*fn0)();
|
|
\\typedef void (*fn1)(char);
|
|
, &[_][]const u8{
|
|
\\pub const fn0 = ?fn (...) callconv(.C) void;
|
|
\\pub const fn1 = ?fn (u8) callconv(.C) void;
|
|
});
|
|
|
|
cases.addWithTarget("Calling convention", tests.Target{
|
|
.Cross = .{ .os = .linux, .arch = .i386, .abi = .none },
|
|
},
|
|
\\void __attribute__((fastcall)) foo1(float *a);
|
|
\\void __attribute__((stdcall)) foo2(float *a);
|
|
\\void __attribute__((vectorcall)) foo3(float *a);
|
|
\\void __attribute__((cdecl)) foo4(float *a);
|
|
\\void __attribute__((thiscall)) foo5(float *a);
|
|
, &[_][]const u8{
|
|
\\pub fn foo1(a: [*c]f32) callconv(.Fastcall) void;
|
|
\\pub fn foo2(a: [*c]f32) callconv(.Stdcall) void;
|
|
\\pub fn foo3(a: [*c]f32) callconv(.Vectorcall) void;
|
|
\\pub extern fn foo4(a: [*c]f32) void;
|
|
\\pub fn foo5(a: [*c]f32) callconv(.Thiscall) void;
|
|
});
|
|
|
|
cases.addWithTarget("Calling convention", tests.Target{
|
|
.Cross = .{ .os = .linux, .arch = .{ .arm = .v8_5a }, .abi = .none },
|
|
},
|
|
\\void __attribute__((pcs("aapcs"))) foo1(float *a);
|
|
\\void __attribute__((pcs("aapcs-vfp"))) foo2(float *a);
|
|
, &[_][]const u8{
|
|
\\pub fn foo1(a: [*c]f32) callconv(.AAPCS) void;
|
|
\\pub fn foo2(a: [*c]f32) callconv(.AAPCSVFP) void;
|
|
});
|
|
|
|
cases.addWithTarget("Calling convention", tests.Target{
|
|
.Cross = .{ .os = .linux, .arch = .{ .aarch64 = .v8_5a }, .abi = .none },
|
|
},
|
|
\\void __attribute__((aarch64_vector_pcs)) foo1(float *a);
|
|
, &[_][]const u8{
|
|
\\pub fn foo1(a: [*c]f32) callconv(.Vectorcall) void;
|
|
});
|
|
|
|
cases.add("Parameterless function prototypes",
|
|
\\void a() {}
|
|
\\void b(void) {}
|
|
\\void c();
|
|
\\void d(void);
|
|
, &[_][]const u8{
|
|
\\pub export fn a() void {}
|
|
\\pub export fn b() void {}
|
|
\\pub extern fn c(...) void;
|
|
\\pub extern fn d() void;
|
|
});
|
|
|
|
cases.add("variable declarations",
|
|
\\extern char arr0[] = "hello";
|
|
\\static char arr1[] = "hello";
|
|
\\char arr2[] = "hello";
|
|
, &[_][]const u8{
|
|
\\pub extern var arr0: [*c]u8 = "hello";
|
|
\\pub var arr1: [*c]u8 = "hello";
|
|
\\pub export var arr2: [*c]u8 = "hello";
|
|
});
|
|
|
|
cases.add("array initializer expr",
|
|
\\static void foo(void){
|
|
\\ char arr[10] ={1};
|
|
\\ char *arr1[10] ={0};
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub fn foo() callconv(.C) void {
|
|
\\ var arr: [10]u8 = .{
|
|
\\ @bitCast(u8, @truncate(i8, @as(c_int, 1))),
|
|
\\ } ++ .{0} ** 9;
|
|
\\ var arr1: [10][*c]u8 = .{
|
|
\\ null,
|
|
\\ } ++ .{null} ** 9;
|
|
\\}
|
|
});
|
|
|
|
cases.add("enums",
|
|
\\typedef enum {
|
|
\\ a,
|
|
\\ b,
|
|
\\ c,
|
|
\\} d;
|
|
\\enum {
|
|
\\ e,
|
|
\\ f = 4,
|
|
\\ g,
|
|
\\} h = e;
|
|
\\struct Baz {
|
|
\\ enum {
|
|
\\ i,
|
|
\\ j,
|
|
\\ k,
|
|
\\ } l;
|
|
\\ d m;
|
|
\\};
|
|
\\enum i {
|
|
\\ n,
|
|
\\ o,
|
|
\\ p,
|
|
\\};
|
|
, &[_][]const u8{
|
|
\\pub const a = @enumToInt(enum_unnamed_1.a);
|
|
\\pub const b = @enumToInt(enum_unnamed_1.b);
|
|
\\pub const c = @enumToInt(enum_unnamed_1.c);
|
|
\\const enum_unnamed_1 = extern enum {
|
|
\\ a,
|
|
\\ b,
|
|
\\ c,
|
|
\\};
|
|
\\pub const d = enum_unnamed_1;
|
|
\\pub const e = @enumToInt(enum_unnamed_2.e);
|
|
\\pub const f = @enumToInt(enum_unnamed_2.f);
|
|
\\pub const g = @enumToInt(enum_unnamed_2.g);
|
|
\\const enum_unnamed_2 = extern enum {
|
|
\\ e = 0,
|
|
\\ f = 4,
|
|
\\ g = 5,
|
|
\\};
|
|
\\pub export var h: enum_unnamed_2 = @intToEnum(enum_unnamed_2, e);
|
|
\\pub const i = @enumToInt(enum_unnamed_3.i);
|
|
\\pub const j = @enumToInt(enum_unnamed_3.j);
|
|
\\pub const k = @enumToInt(enum_unnamed_3.k);
|
|
\\const enum_unnamed_3 = extern enum {
|
|
\\ i,
|
|
\\ j,
|
|
\\ k,
|
|
\\};
|
|
\\pub const struct_Baz = extern struct {
|
|
\\ l: enum_unnamed_3,
|
|
\\ m: d,
|
|
\\};
|
|
\\pub const n = @enumToInt(enum_i.n);
|
|
\\pub const o = @enumToInt(enum_i.o);
|
|
\\pub const p = @enumToInt(enum_i.p);
|
|
\\pub const enum_i = extern enum {
|
|
\\ n,
|
|
\\ o,
|
|
\\ p,
|
|
\\};
|
|
,
|
|
\\pub const Baz = struct_Baz;
|
|
});
|
|
|
|
cases.add("#define a char literal",
|
|
\\#define A_CHAR 'a'
|
|
, &[_][]const u8{
|
|
\\pub const A_CHAR = 'a';
|
|
});
|
|
|
|
cases.add("comment after integer literal",
|
|
\\#define SDL_INIT_VIDEO 0x00000020 /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
|
|
, &[_][]const u8{
|
|
\\pub const SDL_INIT_VIDEO = 0x00000020;
|
|
});
|
|
|
|
cases.add("u integer suffix after hex literal",
|
|
\\#define SDL_INIT_VIDEO 0x00000020u /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
|
|
, &[_][]const u8{
|
|
\\pub const SDL_INIT_VIDEO = @as(c_uint, 0x00000020);
|
|
});
|
|
|
|
cases.add("l integer suffix after hex literal",
|
|
\\#define SDL_INIT_VIDEO 0x00000020l /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
|
|
, &[_][]const u8{
|
|
\\pub const SDL_INIT_VIDEO = @as(c_long, 0x00000020);
|
|
});
|
|
|
|
cases.add("ul integer suffix after hex literal",
|
|
\\#define SDL_INIT_VIDEO 0x00000020ul /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
|
|
, &[_][]const u8{
|
|
\\pub const SDL_INIT_VIDEO = @as(c_ulong, 0x00000020);
|
|
});
|
|
|
|
cases.add("lu integer suffix after hex literal",
|
|
\\#define SDL_INIT_VIDEO 0x00000020lu /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
|
|
, &[_][]const u8{
|
|
\\pub const SDL_INIT_VIDEO = @as(c_ulong, 0x00000020);
|
|
});
|
|
|
|
cases.add("ll integer suffix after hex literal",
|
|
\\#define SDL_INIT_VIDEO 0x00000020ll /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
|
|
, &[_][]const u8{
|
|
\\pub const SDL_INIT_VIDEO = @as(c_longlong, 0x00000020);
|
|
});
|
|
|
|
cases.add("ull integer suffix after hex literal",
|
|
\\#define SDL_INIT_VIDEO 0x00000020ull /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
|
|
, &[_][]const u8{
|
|
\\pub const SDL_INIT_VIDEO = @as(c_ulonglong, 0x00000020);
|
|
});
|
|
|
|
cases.add("llu integer suffix after hex literal",
|
|
\\#define SDL_INIT_VIDEO 0x00000020llu /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
|
|
, &[_][]const u8{
|
|
\\pub const SDL_INIT_VIDEO = @as(c_ulonglong, 0x00000020);
|
|
});
|
|
|
|
cases.add("generate inline func for #define global extern fn",
|
|
\\extern void (*fn_ptr)(void);
|
|
\\#define foo fn_ptr
|
|
\\
|
|
\\extern char (*fn_ptr2)(int, float);
|
|
\\#define bar fn_ptr2
|
|
, &[_][]const u8{
|
|
\\pub extern var fn_ptr: ?fn () callconv(.C) void;
|
|
,
|
|
\\pub inline fn foo() void {
|
|
\\ return fn_ptr.?();
|
|
\\}
|
|
,
|
|
\\pub extern var fn_ptr2: ?fn (c_int, f32) callconv(.C) u8;
|
|
,
|
|
\\pub inline fn bar(arg_1: c_int, arg_2: f32) u8 {
|
|
\\ return fn_ptr2.?(arg_1, arg_2);
|
|
\\}
|
|
});
|
|
|
|
cases.add("macros with field targets",
|
|
\\typedef unsigned int GLbitfield;
|
|
\\typedef void (*PFNGLCLEARPROC) (GLbitfield mask);
|
|
\\typedef void(*OpenGLProc)(void);
|
|
\\union OpenGLProcs {
|
|
\\ OpenGLProc ptr[1];
|
|
\\ struct {
|
|
\\ PFNGLCLEARPROC Clear;
|
|
\\ } gl;
|
|
\\};
|
|
\\extern union OpenGLProcs glProcs;
|
|
\\#define glClearUnion glProcs.gl.Clear
|
|
\\#define glClearPFN PFNGLCLEARPROC
|
|
, &[_][]const u8{
|
|
\\pub const GLbitfield = c_uint;
|
|
\\pub const PFNGLCLEARPROC = ?fn (GLbitfield) callconv(.C) void;
|
|
\\pub const OpenGLProc = ?fn () callconv(.C) void;
|
|
\\const struct_unnamed_1 = extern struct {
|
|
\\ Clear: PFNGLCLEARPROC,
|
|
\\};
|
|
\\pub const union_OpenGLProcs = extern union {
|
|
\\ ptr: [1]OpenGLProc,
|
|
\\ gl: struct_unnamed_1,
|
|
\\};
|
|
\\pub extern var glProcs: union_OpenGLProcs;
|
|
,
|
|
\\pub const glClearPFN = PFNGLCLEARPROC;
|
|
,
|
|
\\pub inline fn glClearUnion(arg_2: GLbitfield) void {
|
|
\\ return glProcs.gl.Clear.?(arg_2);
|
|
\\}
|
|
,
|
|
\\pub const OpenGLProcs = union_OpenGLProcs;
|
|
});
|
|
|
|
cases.add("macro pointer cast",
|
|
\\#define NRF_GPIO ((NRF_GPIO_Type *) NRF_GPIO_BASE)
|
|
, &[_][]const u8{
|
|
\\pub const NRF_GPIO = if (@typeId(@TypeOf(NRF_GPIO_BASE)) == .Pointer) @ptrCast([*c]NRF_GPIO_Type, NRF_GPIO_BASE) else if (@typeId(@TypeOf(NRF_GPIO_BASE)) == .Int) @intToPtr([*c]NRF_GPIO_Type, NRF_GPIO_BASE) else @as([*c]NRF_GPIO_Type, NRF_GPIO_BASE);
|
|
});
|
|
|
|
cases.add("basic macro function",
|
|
\\extern int c;
|
|
\\#define BASIC(c) (c*2)
|
|
, &[_][]const u8{
|
|
\\pub extern var c: c_int;
|
|
,
|
|
\\pub inline fn BASIC(c_1: var) @TypeOf(c_1 * 2) {
|
|
\\ return c_1 * 2;
|
|
\\}
|
|
});
|
|
|
|
cases.add("macro defines string literal with hex",
|
|
\\#define FOO "aoeu\xab derp"
|
|
\\#define FOO2 "aoeu\x0007a derp"
|
|
\\#define FOO_CHAR '\xfF'
|
|
, &[_][]const u8{
|
|
\\pub const FOO = "aoeu\xab derp";
|
|
,
|
|
\\pub const FOO2 = "aoeu\x7a derp";
|
|
,
|
|
\\pub const FOO_CHAR = '\xff';
|
|
});
|
|
|
|
cases.add("macro add",
|
|
\\#define PERIPH_BASE (0x40000000UL) /*!< Base address of : AHB/APB Peripherals */
|
|
\\#define D3_APB1PERIPH_BASE (PERIPH_BASE + 0x18000000UL)
|
|
\\#define RCC_BASE (D3_AHB1PERIPH_BASE + 0x4400UL)
|
|
, &[_][]const u8{
|
|
\\pub const PERIPH_BASE = @as(c_ulong, 0x40000000);
|
|
,
|
|
\\pub const D3_APB1PERIPH_BASE = PERIPH_BASE + @as(c_ulong, 0x18000000);
|
|
,
|
|
\\pub const RCC_BASE = D3_AHB1PERIPH_BASE + @as(c_ulong, 0x4400);
|
|
});
|
|
|
|
cases.add("variable aliasing",
|
|
\\static long a = 2;
|
|
\\static long b = 2;
|
|
\\static int c = 4;
|
|
\\void foo(char c) {
|
|
\\ int a;
|
|
\\ char b = 123;
|
|
\\ b = (char) a;
|
|
\\ {
|
|
\\ int d = 5;
|
|
\\ }
|
|
\\ unsigned d = 440;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub var a: c_long = @bitCast(c_long, @as(c_long, @as(c_int, 2)));
|
|
\\pub var b: c_long = @bitCast(c_long, @as(c_long, @as(c_int, 2)));
|
|
\\pub var c: c_int = 4;
|
|
\\pub export fn foo(arg_c_1: u8) void {
|
|
\\ var c_1 = arg_c_1;
|
|
\\ var a_2: c_int = undefined;
|
|
\\ var b_3: u8 = @bitCast(u8, @truncate(i8, @as(c_int, 123)));
|
|
\\ b_3 = @bitCast(u8, @truncate(i8, a_2));
|
|
\\ {
|
|
\\ var d: c_int = 5;
|
|
\\ }
|
|
\\ var d: c_uint = @bitCast(c_uint, @as(c_int, 440));
|
|
\\}
|
|
});
|
|
|
|
cases.add("comma operator",
|
|
\\int foo() {
|
|
\\ 2, 4;
|
|
\\ return 2, 4, 6;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ _ = @as(c_int, 2);
|
|
\\ _ = @as(c_int, 4);
|
|
\\ _ = @as(c_int, 2);
|
|
\\ _ = @as(c_int, 4);
|
|
\\ return @as(c_int, 6);
|
|
\\}
|
|
});
|
|
|
|
cases.add("worst-case assign",
|
|
\\int foo() {
|
|
\\ int a;
|
|
\\ int b;
|
|
\\ a = b = 2;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ var a: c_int = undefined;
|
|
\\ var b: c_int = undefined;
|
|
\\ a = blk: {
|
|
\\ const tmp = @as(c_int, 2);
|
|
\\ b = tmp;
|
|
\\ break :blk tmp;
|
|
\\ };
|
|
\\}
|
|
});
|
|
|
|
cases.add("while loops",
|
|
\\int foo() {
|
|
\\ int a = 5;
|
|
\\ while (2)
|
|
\\ a = 2;
|
|
\\ while (4) {
|
|
\\ int a = 4;
|
|
\\ a = 9;
|
|
\\ return 6, a;
|
|
\\ }
|
|
\\ do {
|
|
\\ int a = 2;
|
|
\\ a = 12;
|
|
\\ } while (4);
|
|
\\ do
|
|
\\ a = 7;
|
|
\\ while (4);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ var a: c_int = 5;
|
|
\\ while (@as(c_int, 2) != 0) a = 2;
|
|
\\ while (@as(c_int, 4) != 0) {
|
|
\\ var a_1: c_int = 4;
|
|
\\ a_1 = 9;
|
|
\\ _ = @as(c_int, 6);
|
|
\\ return a_1;
|
|
\\ }
|
|
\\ while (true) {
|
|
\\ var a_1: c_int = 2;
|
|
\\ a_1 = 12;
|
|
\\ if (!(@as(c_int, 4) != 0)) break;
|
|
\\ }
|
|
\\ while (true) {
|
|
\\ a = 7;
|
|
\\ if (!(@as(c_int, 4) != 0)) break;
|
|
\\ }
|
|
\\}
|
|
});
|
|
|
|
cases.add("for loops",
|
|
\\int foo() {
|
|
\\ for (int i = 2, b = 4; i + 2; i = 2) {
|
|
\\ int a = 2;
|
|
\\ a = 6, 5, 7;
|
|
\\ }
|
|
\\ char i = 2;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ {
|
|
\\ var i: c_int = 2;
|
|
\\ var b: c_int = 4;
|
|
\\ while ((i + @as(c_int, 2)) != 0) : (i = 2) {
|
|
\\ var a: c_int = 2;
|
|
\\ a = 6;
|
|
\\ _ = @as(c_int, 5);
|
|
\\ _ = @as(c_int, 7);
|
|
\\ }
|
|
\\ }
|
|
\\ var i: u8 = @bitCast(u8, @truncate(i8, @as(c_int, 2)));
|
|
\\}
|
|
});
|
|
|
|
cases.add("shadowing primitive types",
|
|
\\unsigned anyerror = 2;
|
|
, &[_][]const u8{
|
|
\\pub export var _anyerror: c_uint = @bitCast(c_uint, @as(c_int, 2));
|
|
});
|
|
|
|
cases.add("floats",
|
|
\\float a = 3.1415;
|
|
\\double b = 3.1415;
|
|
\\int c = 3.1415;
|
|
\\double d = 3;
|
|
, &[_][]const u8{
|
|
\\pub export var a: f32 = @floatCast(f32, 3.1415);
|
|
\\pub export var b: f64 = 3.1415;
|
|
\\pub export var c: c_int = @floatToInt(c_int, 3.1415);
|
|
\\pub export var d: f64 = @intToFloat(f64, @as(c_int, 3));
|
|
});
|
|
|
|
cases.add("conditional operator",
|
|
\\int bar(void) {
|
|
\\ if (2 ? 5 : 5 ? 4 : 6) 2;
|
|
\\ return 2 ? 5 : 5 ? 4 : 6;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn bar() c_int {
|
|
\\ if ((if (@as(c_int, 2) != 0) @as(c_int, 5) else (if (@as(c_int, 5) != 0) @as(c_int, 4) else @as(c_int, 6))) != 0) _ = @as(c_int, 2);
|
|
\\ return if (@as(c_int, 2) != 0) @as(c_int, 5) else if (@as(c_int, 5) != 0) @as(c_int, 4) else @as(c_int, 6);
|
|
\\}
|
|
});
|
|
|
|
cases.add("switch on int",
|
|
\\int switch_fn(int i) {
|
|
\\ int res = 0;
|
|
\\ switch (i) {
|
|
\\ case 0:
|
|
\\ res = 1;
|
|
\\ case 1 ... 3:
|
|
\\ res = 2;
|
|
\\ default:
|
|
\\ res = 3 * i;
|
|
\\ break;
|
|
\\ case 4:
|
|
\\ res = 5;
|
|
\\ }
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn switch_fn(arg_i: c_int) c_int {
|
|
\\ var i = arg_i;
|
|
\\ var res: c_int = 0;
|
|
\\ __switch: {
|
|
\\ __case_2: {
|
|
\\ __default: {
|
|
\\ __case_1: {
|
|
\\ __case_0: {
|
|
\\ switch (i) {
|
|
\\ 0 => break :__case_0,
|
|
\\ 1...3 => break :__case_1,
|
|
\\ else => break :__default,
|
|
\\ 4 => break :__case_2,
|
|
\\ }
|
|
\\ }
|
|
\\ res = 1;
|
|
\\ }
|
|
\\ res = 2;
|
|
\\ }
|
|
\\ res = (@as(c_int, 3) * i);
|
|
\\ break :__switch;
|
|
\\ }
|
|
\\ res = 5;
|
|
\\ }
|
|
\\}
|
|
});
|
|
|
|
if (builtin.os != .windows) {
|
|
// When clang uses the <arch>-windows-none triple it behaves as MSVC and
|
|
// interprets the inner `struct Bar` as an anonymous structure
|
|
cases.add("type referenced struct",
|
|
\\struct Foo {
|
|
\\ struct Bar{
|
|
\\ int b;
|
|
\\ };
|
|
\\ struct Bar c;
|
|
\\};
|
|
, &[_][]const u8{
|
|
\\pub const struct_Bar = extern struct {
|
|
\\ b: c_int,
|
|
\\};
|
|
\\pub const struct_Foo = extern struct {
|
|
\\ c: struct_Bar,
|
|
\\};
|
|
});
|
|
}
|
|
|
|
cases.add("undefined array global",
|
|
\\int array[100] = {};
|
|
, &[_][]const u8{
|
|
\\pub export var array: [100]c_int = .{0} ** 100;
|
|
});
|
|
|
|
cases.add("restrict -> noalias",
|
|
\\void foo(void *restrict bar, void *restrict);
|
|
, &[_][]const u8{
|
|
\\pub extern fn foo(noalias bar: ?*c_void, noalias ?*c_void) void;
|
|
});
|
|
|
|
cases.add("assign",
|
|
\\int max(int a) {
|
|
\\ int tmp;
|
|
\\ tmp = a;
|
|
\\ a = tmp;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn max(arg_a: c_int) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var tmp: c_int = undefined;
|
|
\\ tmp = a;
|
|
\\ a = tmp;
|
|
\\}
|
|
});
|
|
|
|
cases.add("chaining assign",
|
|
\\void max(int a) {
|
|
\\ int b, c;
|
|
\\ c = b = a;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn max(arg_a: c_int) void {
|
|
\\ var a = arg_a;
|
|
\\ var b: c_int = undefined;
|
|
\\ var c: c_int = undefined;
|
|
\\ c = blk: {
|
|
\\ const tmp = a;
|
|
\\ b = tmp;
|
|
\\ break :blk tmp;
|
|
\\ };
|
|
\\}
|
|
});
|
|
|
|
cases.add("anonymous enum",
|
|
\\enum {
|
|
\\ One,
|
|
\\ Two,
|
|
\\};
|
|
, &[_][]const u8{
|
|
\\pub const One = @enumToInt(enum_unnamed_1.One);
|
|
\\pub const Two = @enumToInt(enum_unnamed_1.Two);
|
|
\\const enum_unnamed_1 = extern enum {
|
|
\\ One,
|
|
\\ Two,
|
|
\\};
|
|
});
|
|
|
|
cases.add("c style cast",
|
|
\\int float_to_int(float a) {
|
|
\\ return (int)a;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn float_to_int(arg_a: f32) c_int {
|
|
\\ var a = arg_a;
|
|
\\ return @floatToInt(c_int, a);
|
|
\\}
|
|
});
|
|
|
|
// TODO translate-c should in theory be able to figure out to drop all these casts
|
|
cases.add("escape sequences",
|
|
\\const char *escapes() {
|
|
\\char a = '\'',
|
|
\\ b = '\\',
|
|
\\ c = '\a',
|
|
\\ d = '\b',
|
|
\\ e = '\f',
|
|
\\ f = '\n',
|
|
\\ g = '\r',
|
|
\\ h = '\t',
|
|
\\ i = '\v',
|
|
\\ j = '\0',
|
|
\\ k = '\"';
|
|
\\ return "\'\\\a\b\f\n\r\t\v\0\"";
|
|
\\}
|
|
\\
|
|
, &[_][]const u8{
|
|
\\pub export fn escapes() [*c]const u8 {
|
|
\\ var a: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\'')));
|
|
\\ var b: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\\')));
|
|
\\ var c: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\x07')));
|
|
\\ var d: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\x08')));
|
|
\\ var e: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\x0c')));
|
|
\\ var f: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\n')));
|
|
\\ var g: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\r')));
|
|
\\ var h: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\t')));
|
|
\\ var i: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\x0b')));
|
|
\\ var j: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\x00')));
|
|
\\ var k: u8 = @bitCast(u8, @truncate(i8, @as(c_int, '\"')));
|
|
\\ return "\'\\\x07\x08\x0c\n\r\t\x0b\x00\"";
|
|
\\}
|
|
});
|
|
|
|
cases.add("do loop",
|
|
\\void foo(void) {
|
|
\\ int a = 2;
|
|
\\ do {
|
|
\\ a = a - 1;
|
|
\\ } while (a);
|
|
\\
|
|
\\ int b = 2;
|
|
\\ do
|
|
\\ b = b -1;
|
|
\\ while (b);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ var a: c_int = 2;
|
|
\\ while (true) {
|
|
\\ a = (a - @as(c_int, 1));
|
|
\\ if (!(a != 0)) break;
|
|
\\ }
|
|
\\ var b: c_int = 2;
|
|
\\ while (true) {
|
|
\\ b = (b - @as(c_int, 1));
|
|
\\ if (!(b != 0)) break;
|
|
\\ }
|
|
\\}
|
|
});
|
|
|
|
cases.add("logical and, logical or, on non-bool values, extra parens",
|
|
\\enum Foo {
|
|
\\ FooA,
|
|
\\ FooB,
|
|
\\ FooC,
|
|
\\};
|
|
\\typedef int SomeTypedef;
|
|
\\int and_or_non_bool(int a, float b, void *c) {
|
|
\\ enum Foo d = FooA;
|
|
\\ int e = (a && b);
|
|
\\ int f = (b && c);
|
|
\\ int g = (a && c);
|
|
\\ int h = (a || b);
|
|
\\ int i = (b || c);
|
|
\\ int j = (a || c);
|
|
\\ int k = (a || d);
|
|
\\ int l = (d && b);
|
|
\\ int m = (c || d);
|
|
\\ SomeTypedef td = 44;
|
|
\\ int o = (td || b);
|
|
\\ int p = (c && td);
|
|
\\ return ((((((((((e + f) + g) + h) + i) + j) + k) + l) + m) + o) + p);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub const enum_Foo = extern enum {
|
|
\\ A,
|
|
\\ B,
|
|
\\ C,
|
|
\\};
|
|
\\pub const SomeTypedef = c_int;
|
|
\\pub export fn and_or_non_bool(arg_a: c_int, arg_b: f32, arg_c: ?*c_void) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var b = arg_b;
|
|
\\ var c = arg_c;
|
|
\\ var d: enum_Foo = @intToEnum(enum_Foo, FooA);
|
|
\\ var e: c_int = @boolToInt(((a != 0) and (b != 0)));
|
|
\\ var f: c_int = @boolToInt(((b != 0) and (c != null)));
|
|
\\ var g: c_int = @boolToInt(((a != 0) and (c != null)));
|
|
\\ var h: c_int = @boolToInt(((a != 0) or (b != 0)));
|
|
\\ var i: c_int = @boolToInt(((b != 0) or (c != null)));
|
|
\\ var j: c_int = @boolToInt(((a != 0) or (c != null)));
|
|
\\ var k: c_int = @boolToInt(((a != 0) or (@enumToInt(d) != 0)));
|
|
\\ var l: c_int = @boolToInt(((@enumToInt(d) != 0) and (b != 0)));
|
|
\\ var m: c_int = @boolToInt(((c != null) or (@enumToInt(d) != 0)));
|
|
\\ var td: SomeTypedef = 44;
|
|
\\ var o: c_int = @boolToInt(((td != 0) or (b != 0)));
|
|
\\ var p: c_int = @boolToInt(((c != null) and (td != 0)));
|
|
\\ return ((((((((((e + f) + g) + h) + i) + j) + k) + l) + m) + o) + p);
|
|
\\}
|
|
,
|
|
\\pub const Foo = enum_Foo;
|
|
});
|
|
|
|
cases.add("qualified struct and enum",
|
|
\\struct Foo {
|
|
\\ int x;
|
|
\\ int y;
|
|
\\};
|
|
\\enum Bar {
|
|
\\ BarA,
|
|
\\ BarB,
|
|
\\};
|
|
\\void func(struct Foo *a, enum Bar **b);
|
|
, &[_][]const u8{
|
|
\\pub const struct_Foo = extern struct {
|
|
\\ x: c_int,
|
|
\\ y: c_int,
|
|
\\};
|
|
,
|
|
\\pub const enum_Bar = extern enum {
|
|
\\ A,
|
|
\\ B,
|
|
\\};
|
|
\\pub extern fn func(a: [*c]struct_Foo, b: [*c][*c]enum_Bar) void;
|
|
,
|
|
\\pub const Foo = struct_Foo;
|
|
\\pub const Bar = enum_Bar;
|
|
});
|
|
|
|
cases.add("bitwise binary operators, simpler parens",
|
|
\\int max(int a, int b) {
|
|
\\ return (a & b) ^ (a | b);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn max(arg_a: c_int, arg_b: c_int) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var b = arg_b;
|
|
\\ return ((a & b) ^ (a | b));
|
|
\\}
|
|
});
|
|
|
|
cases.add("comparison operators (no if)", // TODO Come up with less contrived tests? Make sure to cover all these comparisons.
|
|
\\int test_comparisons(int a, int b) {
|
|
\\ int c = (a < b);
|
|
\\ int d = (a > b);
|
|
\\ int e = (a <= b);
|
|
\\ int f = (a >= b);
|
|
\\ int g = (c < d);
|
|
\\ int h = (e < f);
|
|
\\ int i = (g < h);
|
|
\\ return i;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn test_comparisons(arg_a: c_int, arg_b: c_int) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var b = arg_b;
|
|
\\ var c: c_int = @boolToInt((a < b));
|
|
\\ var d: c_int = @boolToInt((a > b));
|
|
\\ var e: c_int = @boolToInt((a <= b));
|
|
\\ var f: c_int = @boolToInt((a >= b));
|
|
\\ var g: c_int = @boolToInt((c < d));
|
|
\\ var h: c_int = @boolToInt((e < f));
|
|
\\ var i: c_int = @boolToInt((g < h));
|
|
\\ return i;
|
|
\\}
|
|
});
|
|
|
|
cases.add("==, !=",
|
|
\\int max(int a, int b) {
|
|
\\ if (a == b)
|
|
\\ return a;
|
|
\\ if (a != b)
|
|
\\ return b;
|
|
\\ return a;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn max(arg_a: c_int, arg_b: c_int) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var b = arg_b;
|
|
\\ if (a == b) return a;
|
|
\\ if (a != b) return b;
|
|
\\ return a;
|
|
\\}
|
|
});
|
|
|
|
cases.add("typedeffed bool expression",
|
|
\\typedef char* yes;
|
|
\\void foo(void) {
|
|
\\ yes a;
|
|
\\ if (a) 2;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub const yes = [*c]u8;
|
|
\\pub export fn foo() void {
|
|
\\ var a: yes = undefined;
|
|
\\ if (a != null) _ = @as(c_int, 2);
|
|
\\}
|
|
});
|
|
|
|
cases.add("statement expression",
|
|
\\int foo(void) {
|
|
\\ return ({
|
|
\\ int a = 1;
|
|
\\ a;
|
|
\\ a;
|
|
\\ });
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ return (blk: {
|
|
\\ var a: c_int = 1;
|
|
\\ _ = a;
|
|
\\ break :blk a;
|
|
\\ });
|
|
\\}
|
|
});
|
|
|
|
cases.add("field access expression",
|
|
\\#define ARROW a->b
|
|
\\#define DOT a.b
|
|
\\extern struct Foo {
|
|
\\ int b;
|
|
\\}a;
|
|
\\float b = 2.0f;
|
|
\\int foo(void) {
|
|
\\ struct Foo *c;
|
|
\\ a.b;
|
|
\\ c->b;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub const struct_Foo = extern struct {
|
|
\\ b: c_int,
|
|
\\};
|
|
\\pub extern var a: struct_Foo;
|
|
\\pub export var b: f32 = 2;
|
|
\\pub export fn foo() c_int {
|
|
\\ var c: [*c]struct_Foo = undefined;
|
|
\\ _ = a.b;
|
|
\\ _ = c.*.b;
|
|
\\}
|
|
,
|
|
\\pub const DOT = a.b;
|
|
,
|
|
\\pub const ARROW = a.*.b;
|
|
});
|
|
|
|
cases.add("array access",
|
|
\\#define ACCESS array[2]
|
|
\\int array[100] = {};
|
|
\\int foo(int index) {
|
|
\\ return array[index];
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export var array: [100]c_int = .{0} ** 100;
|
|
\\pub export fn foo(arg_index: c_int) c_int {
|
|
\\ var index = arg_index;
|
|
\\ return array[index];
|
|
\\}
|
|
,
|
|
\\pub const ACCESS = array[2];
|
|
});
|
|
|
|
cases.add("macro call",
|
|
\\#define CALL(arg) bar(arg)
|
|
, &[_][]const u8{
|
|
\\pub inline fn CALL(arg: var) @TypeOf(bar(arg)) {
|
|
\\ return bar(arg);
|
|
\\}
|
|
});
|
|
|
|
cases.add("logical and, logical or",
|
|
\\int max(int a, int b) {
|
|
\\ if (a < b || a == b)
|
|
\\ return b;
|
|
\\ if (a >= b && a == b)
|
|
\\ return a;
|
|
\\ return a;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn max(arg_a: c_int, arg_b: c_int) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var b = arg_b;
|
|
\\ if ((a < b) or (a == b)) return b;
|
|
\\ if ((a >= b) and (a == b)) return a;
|
|
\\ return a;
|
|
\\}
|
|
});
|
|
|
|
cases.add("simple if statement",
|
|
\\int max(int a, int b) {
|
|
\\ if (a < b)
|
|
\\ return b;
|
|
\\
|
|
\\ if (a < b)
|
|
\\ return b;
|
|
\\ else
|
|
\\ return a;
|
|
\\
|
|
\\ if (a < b) ; else ;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn max(arg_a: c_int, arg_b: c_int) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var b = arg_b;
|
|
\\ if (a < b) return b;
|
|
\\ if (a < b) return b else return a;
|
|
\\ if (a < b) {} else {}
|
|
\\}
|
|
});
|
|
|
|
cases.add("if statements",
|
|
\\int foo() {
|
|
\\ if (2) {
|
|
\\ int a = 2;
|
|
\\ }
|
|
\\ if (2, 5) {
|
|
\\ int a = 2;
|
|
\\ }
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_int {
|
|
\\ if (@as(c_int, 2) != 0) {
|
|
\\ var a: c_int = 2;
|
|
\\ }
|
|
\\ if ((blk: {
|
|
\\ _ = @as(c_int, 2);
|
|
\\ break :blk @as(c_int, 5);
|
|
\\ }) != 0) {
|
|
\\ var a: c_int = 2;
|
|
\\ }
|
|
\\}
|
|
});
|
|
|
|
cases.add("if on non-bool",
|
|
\\enum SomeEnum { A, B, C };
|
|
\\int if_none_bool(int a, float b, void *c, enum SomeEnum d) {
|
|
\\ if (a) return 0;
|
|
\\ if (b) return 1;
|
|
\\ if (c) return 2;
|
|
\\ if (d) return 3;
|
|
\\ return 4;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub const enum_SomeEnum = extern enum {
|
|
\\ A,
|
|
\\ B,
|
|
\\ C,
|
|
\\};
|
|
\\pub export fn if_none_bool(arg_a: c_int, arg_b: f32, arg_c: ?*c_void, arg_d: enum_SomeEnum) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var b = arg_b;
|
|
\\ var c = arg_c;
|
|
\\ var d = arg_d;
|
|
\\ if (a != 0) return 0;
|
|
\\ if (b != 0) return 1;
|
|
\\ if (c != null) return 2;
|
|
\\ if (d != 0) return 3;
|
|
\\ return 4;
|
|
\\}
|
|
});
|
|
|
|
cases.add("simple data types",
|
|
\\#include <stdint.h>
|
|
\\int foo(char a, unsigned char b, signed char c);
|
|
\\int foo(char a, unsigned char b, signed char c); // test a duplicate prototype
|
|
\\void bar(uint8_t a, uint16_t b, uint32_t c, uint64_t d);
|
|
\\void baz(int8_t a, int16_t b, int32_t c, int64_t d);
|
|
, &[_][]const u8{
|
|
\\pub extern fn foo(a: u8, b: u8, c: i8) c_int;
|
|
\\pub extern fn bar(a: u8, b: u16, c: u32, d: u64) void;
|
|
\\pub extern fn baz(a: i8, b: i16, c: i32, d: i64) void;
|
|
});
|
|
|
|
cases.add("simple function",
|
|
\\int abs(int a) {
|
|
\\ return a < 0 ? -a : a;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn abs(arg_a: c_int) c_int {
|
|
\\ var a = arg_a;
|
|
\\ return if (a < @as(c_int, 0)) -a else a;
|
|
\\}
|
|
});
|
|
|
|
cases.add("post increment",
|
|
\\unsigned foo1(unsigned a) {
|
|
\\ a++;
|
|
\\ return a;
|
|
\\}
|
|
\\int foo2(int a) {
|
|
\\ a++;
|
|
\\ return a;
|
|
\\}
|
|
\\int *foo3(int *a) {
|
|
\\ a++;
|
|
\\ return a;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo1(arg_a: c_uint) c_uint {
|
|
\\ var a = arg_a;
|
|
\\ a +%= 1;
|
|
\\ return a;
|
|
\\}
|
|
\\pub export fn foo2(arg_a: c_int) c_int {
|
|
\\ var a = arg_a;
|
|
\\ a += 1;
|
|
\\ return a;
|
|
\\}
|
|
\\pub export fn foo3(arg_a: [*c]c_int) [*c]c_int {
|
|
\\ var a = arg_a;
|
|
\\ a += 1;
|
|
\\ return a;
|
|
\\}
|
|
});
|
|
|
|
cases.add("deref function pointer",
|
|
\\void foo(void) {}
|
|
\\int baz(void) { return 0; }
|
|
\\void bar(void) {
|
|
\\ void(*f)(void) = foo;
|
|
\\ int(*b)(void) = baz;
|
|
\\ f();
|
|
\\ (*(f))();
|
|
\\ foo();
|
|
\\ b();
|
|
\\ (*(b))();
|
|
\\ baz();
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {}
|
|
\\pub export fn baz() c_int {
|
|
\\ return 0;
|
|
\\}
|
|
\\pub export fn bar() void {
|
|
\\ var f: ?fn () callconv(.C) void = foo;
|
|
\\ var b: ?fn () callconv(.C) c_int = baz;
|
|
\\ f.?();
|
|
\\ (f).?();
|
|
\\ foo();
|
|
\\ _ = b.?();
|
|
\\ _ = (b).?();
|
|
\\ _ = baz();
|
|
\\}
|
|
});
|
|
|
|
cases.add("pre increment/decrement",
|
|
\\void foo(void) {
|
|
\\ int i = 0;
|
|
\\ unsigned u = 0;
|
|
\\ ++i;
|
|
\\ --i;
|
|
\\ ++u;
|
|
\\ --u;
|
|
\\ i = ++i;
|
|
\\ i = --i;
|
|
\\ u = ++u;
|
|
\\ u = --u;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ var i: c_int = 0;
|
|
\\ var u: c_uint = @bitCast(c_uint, @as(c_int, 0));
|
|
\\ i += 1;
|
|
\\ i -= 1;
|
|
\\ u +%= 1;
|
|
\\ u -%= 1;
|
|
\\ i = (blk: {
|
|
\\ const ref = &i;
|
|
\\ ref.* += 1;
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ i = (blk: {
|
|
\\ const ref = &i;
|
|
\\ ref.* -= 1;
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ u = (blk: {
|
|
\\ const ref = &u;
|
|
\\ ref.* +%= 1;
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ u = (blk: {
|
|
\\ const ref = &u;
|
|
\\ ref.* -%= 1;
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\}
|
|
});
|
|
|
|
cases.add("shift right assign",
|
|
\\int log2(unsigned a) {
|
|
\\ int i = 0;
|
|
\\ while (a > 0) {
|
|
\\ a >>= 1;
|
|
\\ }
|
|
\\ return i;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn log2(arg_a: c_uint) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var i: c_int = 0;
|
|
\\ while (a > @bitCast(c_uint, @as(c_int, 0))) {
|
|
\\ a >>= @intCast(@import("std").math.Log2Int(c_int), 1);
|
|
\\ }
|
|
\\ return i;
|
|
\\}
|
|
});
|
|
|
|
cases.add("shift right assign with a fixed size type",
|
|
\\#include <stdint.h>
|
|
\\int log2(uint32_t a) {
|
|
\\ int i = 0;
|
|
\\ while (a > 0) {
|
|
\\ a >>= 1;
|
|
\\ }
|
|
\\ return i;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn log2(arg_a: u32) c_int {
|
|
\\ var a = arg_a;
|
|
\\ var i: c_int = 0;
|
|
\\ while (a > @bitCast(c_uint, @as(c_int, 0))) {
|
|
\\ a >>= @intCast(@import("std").math.Log2Int(c_int), 1);
|
|
\\ }
|
|
\\ return i;
|
|
\\}
|
|
});
|
|
|
|
cases.add("compound assignment operators",
|
|
\\void foo(void) {
|
|
\\ int a = 0;
|
|
\\ a += (a += 1);
|
|
\\ a -= (a -= 1);
|
|
\\ a *= (a *= 1);
|
|
\\ a &= (a &= 1);
|
|
\\ a |= (a |= 1);
|
|
\\ a ^= (a ^= 1);
|
|
\\ a >>= (a >>= 1);
|
|
\\ a <<= (a <<= 1);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ var a: c_int = 0;
|
|
\\ a += (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* + @as(c_int, 1);
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a -= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* - @as(c_int, 1);
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a *= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* * @as(c_int, 1);
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a &= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* & @as(c_int, 1);
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a |= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* | @as(c_int, 1);
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a ^= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* ^ @as(c_int, 1);
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a >>= @intCast(@import("std").math.Log2Int(c_int), (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* >> @intCast(@import("std").math.Log2Int(c_int), @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ }));
|
|
\\ a <<= @intCast(@import("std").math.Log2Int(c_int), (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* << @intCast(@import("std").math.Log2Int(c_int), @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ }));
|
|
\\}
|
|
});
|
|
|
|
cases.add("compound assignment operators unsigned",
|
|
\\void foo(void) {
|
|
\\ unsigned a = 0;
|
|
\\ a += (a += 1);
|
|
\\ a -= (a -= 1);
|
|
\\ a *= (a *= 1);
|
|
\\ a &= (a &= 1);
|
|
\\ a |= (a |= 1);
|
|
\\ a ^= (a ^= 1);
|
|
\\ a >>= (a >>= 1);
|
|
\\ a <<= (a <<= 1);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ var a: c_uint = @bitCast(c_uint, @as(c_int, 0));
|
|
\\ a +%= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* +% @bitCast(c_uint, @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a -%= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* -% @bitCast(c_uint, @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a *%= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* *% @bitCast(c_uint, @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a &= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* & @bitCast(c_uint, @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a |= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* | @bitCast(c_uint, @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a ^= (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* ^ @bitCast(c_uint, @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ });
|
|
\\ a >>= @intCast(@import("std").math.Log2Int(c_uint), (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* >> @intCast(@import("std").math.Log2Int(c_int), @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ }));
|
|
\\ a <<= @intCast(@import("std").math.Log2Int(c_uint), (blk: {
|
|
\\ const ref = &a;
|
|
\\ ref.* = ref.* << @intCast(@import("std").math.Log2Int(c_int), @as(c_int, 1));
|
|
\\ break :blk ref.*;
|
|
\\ }));
|
|
\\}
|
|
});
|
|
|
|
cases.add("post increment/decrement",
|
|
\\void foo(void) {
|
|
\\ int i = 0;
|
|
\\ unsigned u = 0;
|
|
\\ i++;
|
|
\\ i--;
|
|
\\ u++;
|
|
\\ u--;
|
|
\\ i = i++;
|
|
\\ i = i--;
|
|
\\ u = u++;
|
|
\\ u = u--;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() void {
|
|
\\ var i: c_int = 0;
|
|
\\ var u: c_uint = @bitCast(c_uint, @as(c_int, 0));
|
|
\\ i += 1;
|
|
\\ i -= 1;
|
|
\\ u +%= 1;
|
|
\\ u -%= 1;
|
|
\\ i = (blk: {
|
|
\\ const ref = &i;
|
|
\\ const tmp = ref.*;
|
|
\\ ref.* += 1;
|
|
\\ break :blk tmp;
|
|
\\ });
|
|
\\ i = (blk: {
|
|
\\ const ref = &i;
|
|
\\ const tmp = ref.*;
|
|
\\ ref.* -= 1;
|
|
\\ break :blk tmp;
|
|
\\ });
|
|
\\ u = (blk: {
|
|
\\ const ref = &u;
|
|
\\ const tmp = ref.*;
|
|
\\ ref.* +%= 1;
|
|
\\ break :blk tmp;
|
|
\\ });
|
|
\\ u = (blk: {
|
|
\\ const ref = &u;
|
|
\\ const tmp = ref.*;
|
|
\\ ref.* -%= 1;
|
|
\\ break :blk tmp;
|
|
\\ });
|
|
\\}
|
|
});
|
|
|
|
cases.add("implicit casts",
|
|
\\#include <stdbool.h>
|
|
\\
|
|
\\void fn_int(int x);
|
|
\\void fn_f32(float x);
|
|
\\void fn_f64(double x);
|
|
\\void fn_char(char x);
|
|
\\void fn_bool(bool x);
|
|
\\void fn_ptr(void *x);
|
|
\\
|
|
\\void call() {
|
|
\\ fn_int(3.0f);
|
|
\\ fn_int(3.0);
|
|
\\ fn_int(3.0L);
|
|
\\ fn_int('ABCD');
|
|
\\ fn_f32(3);
|
|
\\ fn_f64(3);
|
|
\\ fn_char('3');
|
|
\\ fn_char('\x1');
|
|
\\ fn_char(0);
|
|
\\ fn_f32(3.0f);
|
|
\\ fn_f64(3.0);
|
|
\\ fn_bool(123);
|
|
\\ fn_bool(0);
|
|
\\ fn_bool(&fn_int);
|
|
\\ fn_int(&fn_int);
|
|
\\ fn_ptr(42);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub extern fn fn_int(x: c_int) void;
|
|
\\pub extern fn fn_f32(x: f32) void;
|
|
\\pub extern fn fn_f64(x: f64) void;
|
|
\\pub extern fn fn_char(x: u8) void;
|
|
\\pub extern fn fn_bool(x: bool) void;
|
|
\\pub extern fn fn_ptr(x: ?*c_void) void;
|
|
\\pub export fn call() void {
|
|
\\ fn_int(@floatToInt(c_int, 3));
|
|
\\ fn_int(@floatToInt(c_int, 3));
|
|
\\ fn_int(@floatToInt(c_int, 3));
|
|
\\ fn_int(@as(c_int, 1094861636));
|
|
\\ fn_f32(@intToFloat(f32, @as(c_int, 3)));
|
|
\\ fn_f64(@intToFloat(f64, @as(c_int, 3)));
|
|
\\ fn_char(@bitCast(u8, @truncate(i8, @as(c_int, '3'))));
|
|
\\ fn_char(@bitCast(u8, @truncate(i8, @as(c_int, '\x01'))));
|
|
\\ fn_char(@bitCast(u8, @truncate(i8, @as(c_int, 0))));
|
|
\\ fn_f32(3);
|
|
\\ fn_f64(3);
|
|
\\ fn_bool(@as(c_int, 123) != 0);
|
|
\\ fn_bool(@as(c_int, 0) != 0);
|
|
\\ fn_bool(@ptrToInt(&fn_int) != 0);
|
|
\\ fn_int(@intCast(c_int, @ptrToInt(&fn_int)));
|
|
\\ fn_ptr(@intToPtr(?*c_void, @as(c_int, 42)));
|
|
\\}
|
|
});
|
|
|
|
cases.add("function call",
|
|
\\static void bar(void) { }
|
|
\\void foo(int *(baz)(void)) {
|
|
\\ bar();
|
|
\\ baz();
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub fn bar() callconv(.C) void {}
|
|
\\pub export fn foo(arg_baz: ?fn () callconv(.C) [*c]c_int) void {
|
|
\\ var baz = arg_baz;
|
|
\\ bar();
|
|
\\ _ = baz.?();
|
|
\\}
|
|
});
|
|
|
|
cases.add("macro defines string literal with octal",
|
|
\\#define FOO "aoeu\023 derp"
|
|
\\#define FOO2 "aoeu\0234 derp"
|
|
\\#define FOO_CHAR '\077'
|
|
, &[_][]const u8{
|
|
\\pub const FOO = "aoeu\x13 derp";
|
|
,
|
|
\\pub const FOO2 = "aoeu\x134 derp";
|
|
,
|
|
\\pub const FOO_CHAR = '\x3f';
|
|
});
|
|
|
|
cases.add("enums",
|
|
\\enum Foo {
|
|
\\ FooA = 2,
|
|
\\ FooB = 5,
|
|
\\ Foo1,
|
|
\\};
|
|
, &[_][]const u8{
|
|
\\pub const FooA = @enumToInt(enum_Foo.A);
|
|
\\pub const FooB = @enumToInt(enum_Foo.B);
|
|
\\pub const Foo1 = @enumToInt(enum_Foo.@"1");
|
|
\\pub const enum_Foo = extern enum {
|
|
\\ A = 2,
|
|
\\ B = 5,
|
|
\\ @"1" = 6,
|
|
\\};
|
|
,
|
|
\\pub const Foo = enum_Foo;
|
|
});
|
|
|
|
cases.add("macro cast",
|
|
\\#define FOO(bar) baz((void *)(baz))
|
|
, &[_][]const u8{
|
|
\\pub inline fn FOO(bar: var) @TypeOf(baz(if (@typeId(@TypeOf(baz)) == .Pointer) @ptrCast([*c]void, baz) else if (@typeId(@TypeOf(baz)) == .Int) @intToPtr([*c]void, baz) else @as([*c]void, baz))) {
|
|
\\ return baz(if (@typeId(@TypeOf(baz)) == .Pointer) @ptrCast([*c]void, baz) else if (@typeId(@TypeOf(baz)) == .Int) @intToPtr([*c]void, baz) else @as([*c]void, baz));
|
|
\\}
|
|
});
|
|
|
|
cases.add("macro conditional operator",
|
|
\\#define FOO a ? b : c
|
|
, &[_][]const u8{
|
|
\\pub const FOO = if (a) b else c;
|
|
});
|
|
|
|
cases.add("do while as expr",
|
|
\\static void foo(void) {
|
|
\\ if (1)
|
|
\\ do {} while (0);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub fn foo() callconv(.C) void {
|
|
\\ if (@as(c_int, 1) != 0) while (true) {
|
|
\\ if (!(@as(c_int, 0) != 0)) break;
|
|
\\ };
|
|
\\}
|
|
});
|
|
|
|
cases.add("macro comparisions",
|
|
\\#define MIN(a, b) ((b) < (a) ? (b) : (a))
|
|
\\#define MAX(a, b) ((b) > (a) ? (b) : (a))
|
|
, &[_][]const u8{
|
|
\\pub inline fn MIN(a: var, b: var) @TypeOf(if (b < a) b else a) {
|
|
\\ return if (b < a) b else a;
|
|
\\}
|
|
,
|
|
\\pub inline fn MAX(a: var, b: var) @TypeOf(if (b > a) b else a) {
|
|
\\ return if (b > a) b else a;
|
|
\\}
|
|
});
|
|
|
|
// TODO: detect to use different block labels here
|
|
cases.add("nested assignment",
|
|
\\int foo(int *p, int x) {
|
|
\\ return *p++ = x;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo(arg_p: [*c]c_int, arg_x: c_int) c_int {
|
|
\\ var p = arg_p;
|
|
\\ var x = arg_x;
|
|
\\ return blk: {
|
|
\\ const tmp = x;
|
|
\\ (blk: {
|
|
\\ const ref = &p;
|
|
\\ const tmp_1 = ref.*;
|
|
\\ ref.* += 1;
|
|
\\ break :blk tmp_1;
|
|
\\ }).?.* = tmp;
|
|
\\ break :blk tmp;
|
|
\\ };
|
|
\\}
|
|
});
|
|
|
|
cases.add("widening and truncating integer casting to different signedness",
|
|
\\unsigned long foo(void) {
|
|
\\ return -1;
|
|
\\}
|
|
\\unsigned short bar(long x) {
|
|
\\ return x;
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo() c_ulong {
|
|
\\ return @bitCast(c_ulong, @as(c_long, -@as(c_int, 1)));
|
|
\\}
|
|
\\pub export fn bar(arg_x: c_long) c_ushort {
|
|
\\ var x = arg_x;
|
|
\\ return @bitCast(c_ushort, @truncate(c_short, x));
|
|
\\}
|
|
});
|
|
|
|
cases.add("arg name aliasing decl which comes after",
|
|
\\int foo(int bar) {
|
|
\\ bar = 2;
|
|
\\}
|
|
\\int bar = 4;
|
|
, &[_][]const u8{
|
|
\\pub export fn foo(arg_bar_1: c_int) c_int {
|
|
\\ var bar_1 = arg_bar_1;
|
|
\\ bar_1 = 2;
|
|
\\}
|
|
\\pub export var bar: c_int = 4;
|
|
});
|
|
|
|
cases.add("arg name aliasing macro which comes after",
|
|
\\int foo(int bar) {
|
|
\\ bar = 2;
|
|
\\}
|
|
\\#define bar 4
|
|
, &[_][]const u8{
|
|
\\pub export fn foo(arg_bar_1: c_int) c_int {
|
|
\\ var bar_1 = arg_bar_1;
|
|
\\ bar_1 = 2;
|
|
\\}
|
|
,
|
|
\\pub const bar = 4;
|
|
});
|
|
|
|
cases.add("don't export inline functions",
|
|
\\inline void a(void) {}
|
|
\\static void b(void) {}
|
|
\\void c(void) {}
|
|
\\static void foo() {}
|
|
, &[_][]const u8{
|
|
\\pub fn a() callconv(.C) void {}
|
|
\\pub fn b() callconv(.C) void {}
|
|
\\pub export fn c() void {}
|
|
\\pub fn foo() callconv(.C) void {}
|
|
});
|
|
|
|
cases.add("casting away const and volatile",
|
|
\\void foo(int *a) {}
|
|
\\void bar(const int *a) {
|
|
\\ foo((int *)a);
|
|
\\}
|
|
\\void baz(volatile int *a) {
|
|
\\ foo((int *)a);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo(arg_a: [*c]c_int) void {
|
|
\\ var a = arg_a;
|
|
\\}
|
|
\\pub export fn bar(arg_a: [*c]const c_int) void {
|
|
\\ var a = arg_a;
|
|
\\ foo(@intToPtr([*c]c_int, @ptrToInt(a)));
|
|
\\}
|
|
\\pub export fn baz(arg_a: [*c]volatile c_int) void {
|
|
\\ var a = arg_a;
|
|
\\ foo(@intToPtr([*c]c_int, @ptrToInt(a)));
|
|
\\}
|
|
});
|
|
|
|
cases.add("handling of _Bool type",
|
|
\\_Bool foo(_Bool x) {
|
|
\\ _Bool a = x != 1;
|
|
\\ _Bool b = a != 0;
|
|
\\ _Bool c = foo;
|
|
\\ return foo(c != b);
|
|
\\}
|
|
, &[_][]const u8{
|
|
\\pub export fn foo(arg_x: bool) bool {
|
|
\\ var x = arg_x;
|
|
\\ var a: bool = (@boolToInt(x) != @as(c_int, 1));
|
|
\\ var b: bool = (@boolToInt(a) != @as(c_int, 0));
|
|
\\ var c: bool = @ptrToInt(foo) != 0;
|
|
\\ return foo((@boolToInt(c) != @boolToInt(b)));
|
|
\\}
|
|
});
|
|
}
|