Files
zig/test/src/Debugger.zig
2024-08-16 15:22:56 -04:00

501 lines
17 KiB
Zig

b: *std.Build,
options: Options,
root_step: *std.Build.Step,
pub const Options = struct {
test_filters: []const []const u8,
gdb: ?[]const u8,
lldb: ?[]const u8,
optimize_modes: []const std.builtin.OptimizeMode,
skip_single_threaded: bool,
skip_non_native: bool,
skip_libc: bool,
};
pub const Target = struct {
resolved: std.Build.ResolvedTarget,
optimize_mode: std.builtin.OptimizeMode = .Debug,
link_libc: ?bool = null,
single_threaded: ?bool = null,
pic: ?bool = null,
test_name_suffix: []const u8,
};
pub fn addTestsForTarget(db: *Debugger, target: Target) void {
db.addLldbTest(
"basic",
target,
&.{
.{
.path = "basic.zig",
.source =
\\const Basic = struct {
\\ void: void = {},
\\ bool_false: bool = false,
\\ bool_true: bool = true,
\\ u0_0: u0 = 0,
\\ u1_0: u1 = 0,
\\ u1_1: u1 = 1,
\\ u2_0: u2 = 0,
\\ u2_3: u2 = 3,
\\ u3_0: u3 = 0,
\\ u3_7: u3 = 7,
\\ u4_0: u4 = 0,
\\ u4_15: u4 = 15,
\\ u5_0: u5 = 0,
\\ u5_31: u5 = 31,
\\ u6_0: u6 = 0,
\\ u6_63: u6 = 63,
\\ u7_0: u7 = 0,
\\ u7_127: u7 = 127,
\\ u8_0: u8 = 0,
\\ u8_255: u8 = 255,
\\ u16_0: u16 = 0,
\\ u16_65535: u16 = 65535,
\\ u24_0: u24 = 0,
\\ u24_16777215: u24 = 16777215,
\\ u32_0: u32 = 0,
\\ u32_4294967295: u32 = 4294967295,
\\ i0_0: i0 = 0,
\\ @"i1_-1": i1 = -1,
\\ i1_0: i1 = 0,
\\ @"i2_-2": i2 = -2,
\\ i2_0: i2 = 0,
\\ i2_1: i2 = 1,
\\ @"i3_-4": i3 = -4,
\\ i3_0: i3 = 0,
\\ i3_3: i3 = 3,
\\ @"i4_-8": i4 = -8,
\\ i4_0: i4 = 0,
\\ i4_7: i4 = 7,
\\ @"i5_-16": i5 = -16,
\\ i5_0: i5 = 0,
\\ i5_15: i5 = 15,
\\ @"i6_-32": i6 = -32,
\\ i6_0: i6 = 0,
\\ i6_31: i6 = 31,
\\ @"i7_-64": i7 = -64,
\\ i7_0: i7 = 0,
\\ i7_63: i7 = 63,
\\ @"i8_-128": i8 = -128,
\\ i8_0: i8 = 0,
\\ i8_127: i8 = 127,
\\ @"i16_-32768": i16 = -32768,
\\ i16_0: i16 = 0,
\\ i16_32767: i16 = 32767,
\\ @"i24_-8388608": i24 = -8388608,
\\ i24_0: i24 = 0,
\\ i24_8388607: i24 = 8388607,
\\ @"i32_-2147483648": i32 = -2147483648,
\\ i32_0: i32 = 0,
\\ i32_2147483647: i32 = 2147483647,
\\ @"f16_42.625": f16 = 42.625,
\\ @"f32_-2730.65625": f32 = -2730.65625,
\\ @"f64_357913941.33203125": f64 = 357913941.33203125,
\\ @"f80_-91625968981.3330078125": f80 = -91625968981.3330078125,
\\ @"f128_384307168202282325.333332061767578125": f128 = 384307168202282325.333332061767578125,
\\};
\\fn testBasic(basic: Basic) void {
\\ _ = basic;
\\}
\\pub fn main() void {
\\ testBasic(.{});
\\}
\\
,
},
},
\\breakpoint set --file basic.zig --source-pattern-regexp '_ = basic;'
\\process launch
\\frame variable --show-types basic
\\breakpoint delete --force 1
,
&.{
\\(lldb) frame variable --show-types basic
\\(root.basic.Basic) basic = {
\\ (void) void = {}
\\ (bool) bool_false = false
\\ (bool) bool_true = true
\\ (u0) u0_0 = 0
\\ (u1) u1_0 = 0
\\ (u1) u1_1 = 1
\\ (u2) u2_0 = 0
\\ (u2) u2_3 = 3
\\ (u3) u3_0 = 0
\\ (u3) u3_7 = 7
\\ (u4) u4_0 = 0
\\ (u4) u4_15 = 15
\\ (u5) u5_0 = 0
\\ (u5) u5_31 = 31
\\ (u6) u6_0 = 0
\\ (u6) u6_63 = 63
\\ (u7) u7_0 = 0
\\ (u7) u7_127 = 127
\\ (u8) u8_0 = 0
\\ (u8) u8_255 = 255
\\ (u16) u16_0 = 0
\\ (u16) u16_65535 = 65535
\\ (u24) u24_0 = 0
\\ (u24) u24_16777215 = 16777215
\\ (u32) u32_0 = 0
\\ (u32) u32_4294967295 = 4294967295
\\ (i0) i0_0 = 0
\\ (i1) i1_-1 = -1
\\ (i1) i1_0 = 0
\\ (i2) i2_-2 = -2
\\ (i2) i2_0 = 0
\\ (i2) i2_1 = 1
\\ (i3) i3_-4 = -4
\\ (i3) i3_0 = 0
\\ (i3) i3_3 = 3
\\ (i4) i4_-8 = -8
\\ (i4) i4_0 = 0
\\ (i4) i4_7 = 7
\\ (i5) i5_-16 = -16
\\ (i5) i5_0 = 0
\\ (i5) i5_15 = 15
\\ (i6) i6_-32 = -32
\\ (i6) i6_0 = 0
\\ (i6) i6_31 = 31
\\ (i7) i7_-64 = -64
\\ (i7) i7_0 = 0
\\ (i7) i7_63 = 63
\\ (i8) i8_-128 = -128
\\ (i8) i8_0 = 0
\\ (i8) i8_127 = 127
\\ (i16) i16_-32768 = -32768
\\ (i16) i16_0 = 0
\\ (i16) i16_32767 = 32767
\\ (i24) i24_-8388608 = -8388608
\\ (i24) i24_0 = 0
\\ (i24) i24_8388607 = 8388607
\\ (i32) i32_-2147483648 = -2147483648
\\ (i32) i32_0 = 0
\\ (i32) i32_2147483647 = 2147483647
\\ (f16) f16_42.625 = 42.625
\\ (f32) f32_-2730.65625 = -2730.65625
\\ (f64) f64_357913941.33203125 = 357913941.33203125
\\ (f80) f80_-91625968981.3330078125 = -91625968981.3330078125
\\ (f128) f128_384307168202282325.333332061767578125 = 384307168202282325.333332061767578125
\\}
\\(lldb) breakpoint delete --force 1
\\1 breakpoints deleted; 0 breakpoint locations disabled.
},
);
db.addLldbTest(
"storage",
target,
&.{
.{
.path = "storage.zig",
.source =
\\const global_const: u64 = 0x19e50dc8d6002077;
\\var global_var: u64 = 0xcc423cec08622e32;
\\threadlocal var global_threadlocal1: u64 = 0xb4d643528c042121;
\\threadlocal var global_threadlocal2: u64 = 0x43faea1cf5ad7a22;
\\fn testStorage(
\\ param1: u64,
\\ param2: u64,
\\ param3: u64,
\\ param4: u64,
\\ param5: u64,
\\ param6: u64,
\\ param7: u64,
\\ param8: u64,
\\) callconv(.C) void {
\\ const local_comptime_val: u64 = global_const *% global_const;
\\ const local_comptime_ptr: struct { u64 } = .{ local_comptime_val *% local_comptime_val };
\\ const local_const: u64 = global_var ^ global_threadlocal1 ^ global_threadlocal2 ^
\\ param1 ^ param2 ^ param3 ^ param4 ^ param5 ^ param6 ^ param7 ^ param8;
\\ var local_var: u64 = local_comptime_ptr[0] ^ local_const;
\\ local_var = local_var;
\\}
\\pub fn main() void {
\\ testStorage(
\\ 0x6a607e08125c7e00,
\\ 0x98944cb2a45a8b51,
\\ 0xa320cf10601ee6fb,
\\ 0x691ed3535bad3274,
\\ 0x63690e6867a5799f,
\\ 0x8e163f0ec76067f2,
\\ 0xf9a252c455fb4c06,
\\ 0xc88533722601e481,
\\ );
\\}
\\
,
},
},
\\breakpoint set --file storage.zig --source-pattern-regexp 'local_var = local_var;'
\\process launch
\\target variable --show-types --format hex global_const global_var global_threadlocal1 global_threadlocal2
\\frame variable --show-types --format hex param1 param2 param3 param4 param5 param6 param7 param8 local_comptime_val local_comptime_ptr.0 local_const local_var
\\breakpoint delete --force 1
,
&.{
\\(lldb) target variable --show-types --format hex global_const global_var global_threadlocal1 global_threadlocal2
\\(u64) global_const = 0x19e50dc8d6002077
\\(u64) global_var = 0xcc423cec08622e32
\\(u64) global_threadlocal1 = 0xb4d643528c042121
\\(u64) global_threadlocal2 = 0x43faea1cf5ad7a22
\\(lldb) frame variable --show-types --format hex param1 param2 param3 param4 param5 param6 param7 param8 local_comptime_val local_comptime_ptr.0 local_const local_var
\\(u64) param1 = 0x6a607e08125c7e00
\\(u64) param2 = 0x98944cb2a45a8b51
\\(u64) param3 = 0xa320cf10601ee6fb
\\(u64) param4 = 0x691ed3535bad3274
\\(u64) param5 = 0x63690e6867a5799f
\\(u64) param6 = 0x8e163f0ec76067f2
\\(u64) param7 = 0xf9a252c455fb4c06
\\(u64) param8 = 0xc88533722601e481
\\(u64) local_comptime_val = 0x69490636f81df751
\\(u64) local_comptime_ptr.0 = 0x82e834dae74767a1
\\(u64) local_const = 0xdffceb8b2f41e205
\\(u64) local_var = 0x5d14df51c80685a4
\\(lldb) breakpoint delete --force 1
\\1 breakpoints deleted; 0 breakpoint locations disabled.
},
);
db.addLldbTest(
"slices",
target,
&.{
.{
.path = "slices.zig",
.source =
\\pub fn main() void {
\\ {
\\ var array: [4]u32 = .{ 1, 2, 4, 8 };
\\ const slice: []u32 = &array;
\\ _ = slice;
\\ }
\\}
\\
,
},
},
\\breakpoint set --file slices.zig --source-pattern-regexp '_ = slice;'
\\process launch
\\frame variable --show-types array slice
\\breakpoint delete --force 1
,
&.{
\\(lldb) frame variable --show-types array slice
\\([4]u32) array = {
\\ (u32) [0] = 1
\\ (u32) [1] = 2
\\ (u32) [2] = 4
\\ (u32) [3] = 8
\\}
\\([]u32) slice = {
\\ (u32) [0] = 1
\\ (u32) [1] = 2
\\ (u32) [2] = 4
\\ (u32) [3] = 8
\\}
\\(lldb) breakpoint delete --force 1
\\1 breakpoints deleted; 0 breakpoint locations disabled.
},
);
db.addLldbTest(
"optionals",
target,
&.{
.{
.path = "optionals.zig",
.source =
\\pub fn main() void {
\\ {
\\ var null_u32: ?u32 = null;
\\ var maybe_u32: ?u32 = null;
\\ var nonnull_u32: ?u32 = 456;
\\ maybe_u32 = 123;
\\ _ = .{ &null_u32, &nonnull_u32 };
\\ }
\\}
\\
,
},
},
\\breakpoint set --file optionals.zig --source-pattern-regexp 'maybe_u32 = 123;'
\\process launch
\\frame variable null_u32 maybe_u32 nonnull_u32
\\breakpoint delete --force 1
\\
\\breakpoint set --file optionals.zig --source-pattern-regexp '_ = .{ &null_u32, &nonnull_u32 };'
\\process continue
\\frame variable --show-types null_u32 maybe_u32 nonnull_u32
\\breakpoint delete --force 2
,
&.{
\\(lldb) frame variable null_u32 maybe_u32 nonnull_u32
\\(?u32) null_u32 = null
\\(?u32) maybe_u32 = null
\\(?u32) nonnull_u32 = (nonnull_u32.? = 456)
\\(lldb) breakpoint delete --force 1
\\1 breakpoints deleted; 0 breakpoint locations disabled.
,
\\(lldb) frame variable --show-types null_u32 maybe_u32 nonnull_u32
\\(?u32) null_u32 = null
\\(?u32) maybe_u32 = {
\\ (u32) maybe_u32.? = 123
\\}
\\(?u32) nonnull_u32 = {
\\ (u32) nonnull_u32.? = 456
\\}
\\(lldb) breakpoint delete --force 2
\\1 breakpoints deleted; 0 breakpoint locations disabled.
},
);
db.addLldbTest(
"cross_module_call",
target,
&.{
.{
.path = "main.zig",
.source =
\\const module = @import("module");
\\pub fn main() void {
\\ module.foo(123);
\\ module.bar(456);
\\}
,
},
.{
.import = "module",
.path = "module.zig",
.source =
\\pub fn foo(x: u32) void {
\\ _ = x;
\\}
\\pub inline fn bar(y: u32) void {
\\ _ = y;
\\}
,
},
},
\\breakpoint set --file module.zig --source-pattern-regexp '_ = x;'
\\process launch
\\source info
\\breakpoint delete --force 1
\\
\\breakpoint set --file module.zig --line 5
\\process continue
\\source info
\\breakpoint delete --force 2
,
&.{
\\/module.zig:2:5
\\(lldb) breakpoint delete --force 1
\\1 breakpoints deleted; 0 breakpoint locations disabled.
,
\\/module.zig:5:5
\\(lldb) breakpoint delete --force 2
\\1 breakpoints deleted; 0 breakpoint locations disabled.
},
);
}
const File = struct { import: ?[]const u8 = null, path: []const u8, source: []const u8 };
fn addGdbTest(
db: *Debugger,
name: []const u8,
target: Target,
files: []const File,
commands: []const u8,
expected_output: []const []const u8,
) void {
db.addTest(
name,
target,
files,
&.{
db.options.gdb orelse return,
"--batch",
"--command",
},
commands,
&.{
"--args",
},
expected_output,
);
}
fn addLldbTest(
db: *Debugger,
name: []const u8,
target: Target,
files: []const File,
commands: []const u8,
expected_output: []const []const u8,
) void {
db.addTest(
name,
target,
files,
&.{
db.options.lldb orelse return,
"--batch",
"--source",
},
commands,
&.{
"--",
},
expected_output,
);
}
/// After a failure while running a script, the debugger starts accepting commands from stdin, and
/// because it is empty, the debugger exits normally with status 0. Choose a non-zero status to
/// return from the debugger script instead to detect it running to completion and indicate success.
const success = 99;
fn addTest(
db: *Debugger,
name: []const u8,
target: Target,
files: []const File,
db_argv1: []const []const u8,
commands: []const u8,
db_argv2: []const []const u8,
expected_output: []const []const u8,
) void {
for (db.options.test_filters) |test_filter| {
if (std.mem.indexOf(u8, name, test_filter)) |_| return;
}
const files_wf = db.b.addWriteFiles();
const exe = db.b.addExecutable(.{
.name = name,
.target = target.resolved,
.root_source_file = files_wf.add(files[0].path, files[0].source),
.optimize = target.optimize_mode,
.link_libc = target.link_libc,
.single_threaded = target.single_threaded,
.pic = target.pic,
.strip = false,
.use_llvm = false,
.use_lld = false,
});
for (files[1..]) |file| {
const path = files_wf.add(file.path, file.source);
if (file.import) |import| exe.root_module.addImport(import, db.b.createModule(.{
.root_source_file = path,
}));
}
const commands_wf = db.b.addWriteFiles();
const run = std.Build.Step.Run.create(db.b, db.b.fmt("run {s} {s}", .{ name, target.test_name_suffix }));
run.addArgs(db_argv1);
run.addFileArg(commands_wf.add(db.b.fmt("{s}.cmd", .{name}), db.b.fmt("{s}\n\nquit {d}\n", .{ commands, success })));
run.addArgs(db_argv2);
run.addArtifactArg(exe);
for (expected_output) |expected| run.addCheck(.{ .expect_stdout_match = db.b.fmt("{s}\n", .{expected}) });
run.addCheck(.{ .expect_term = .{ .Exited = success } });
run.setStdIn(.{ .bytes = "" });
db.root_step.dependOn(&run.step);
}
const Debugger = @This();
const std = @import("std");