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Diffstat (limited to 'tests/examplefiles/example.zig')
| -rw-r--r-- | tests/examplefiles/example.zig | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/tests/examplefiles/example.zig b/tests/examplefiles/example.zig new file mode 100644 index 00000000..32e72849 --- /dev/null +++ b/tests/examplefiles/example.zig @@ -0,0 +1,263 @@ +const std = @import("std"); +const Allocator = mem.Allocator; +const mem = std.mem; +const ast = std.zig.ast; +const Visib = @import("visib.zig").Visib; +const event = std.event; +const Value = @import("value.zig").Value; +const Token = std.zig.Token; +const errmsg = @import("errmsg.zig"); +const Scope = @import("scope.zig").Scope; +const Compilation = @import("compilation.zig").Compilation; + +pub const Decl = struct { + id: Id, + name: []const u8, + visib: Visib, + resolution: event.Future(Compilation.BuildError!void), + parent_scope: *Scope, + + // TODO when we destroy the decl, deref the tree scope + tree_scope: *Scope.AstTree, + + pub const Table = std.HashMap([]const u8, *Decl, mem.hash_slice_u8, mem.eql_slice_u8); + + pub fn cast(base: *Decl, comptime T: type) ?*T { + if (base.id != @field(Id, @typeName(T))) return null; + return @fieldParentPtr(T, "base", base); + } + + pub fn isExported(base: *const Decl, tree: *ast.Tree) bool { + switch (base.id) { + Id.Fn => { + const fn_decl = @fieldParentPtr(Fn, "base", base); + return fn_decl.isExported(tree); + }, + else => return false, + } + } + + pub fn getSpan(base: *const Decl) errmsg.Span { + switch (base.id) { + Id.Fn => { + const fn_decl = @fieldParentPtr(Fn, "base", base); + const fn_proto = fn_decl.fn_proto; + const start = fn_proto.fn_token; + const end = fn_proto.name_token orelse start; + return errmsg.Span{ + .first = start, + .last = end + 1, + }; + }, + else => @panic("TODO"), + } + } + + pub fn findRootScope(base: *const Decl) *Scope.Root { + return base.parent_scope.findRoot(); + } + + pub const Id = enum { + Var, + Fn, + CompTime, + }; + + pub const Var = struct { + base: Decl, + }; + + pub const Fn = struct { + base: Decl, + value: Val, + fn_proto: *ast.Node.FnProto, + + // TODO https://github.com/ziglang/zig/issues/683 and then make this anonymous + pub const Val = union(enum) { + Unresolved: void, + Fn: *Value.Fn, + FnProto: *Value.FnProto, + }; + + pub fn externLibName(self: Fn, tree: *ast.Tree) ?[]const u8 { + return if (self.fn_proto.extern_export_inline_token) |tok_index| x: { + const token = tree.tokens.at(tok_index); + break :x switch (token.id) { + Token.Id.Extern => tree.tokenSlicePtr(token), + else => null, + }; + } else null; + } + + pub fn isExported(self: Fn, tree: *ast.Tree) bool { + if (self.fn_proto.extern_export_inline_token) |tok_index| { + const token = tree.tokens.at(tok_index); + return token.id == Token.Id.Keyword_export; + } else { + return false; + } + } + }; + + pub const CompTime = struct { + base: Decl, + }; +}; + +pub const info_zen = + \\ + \\ * Communicate intent precisely. + \\ * Edge cases matter. + \\ * Favor reading code over writing code. + \\ * Only one obvious way to do things. + \\ * Runtime crashes are better than bugs. + \\ * Compile errors are better than runtime crashes. + \\ * Incremental improvements. + \\ * Avoid local maximums. + \\ * Reduce the amount one must remember. + \\ * Minimize energy spent on coding style. + \\ * Together we serve end users. + \\ + \\ +; + +fn cmdZen(allocator: *Allocator, args: []const []const u8) !void { + try stdout.write(info_zen); +} + +const usage_internal = + \\usage: zig internal [subcommand] + \\ + \\Sub-Commands: + \\ build-info Print static compiler build-info + \\ + \\ +; + +fn cmdInternal(allocator: *Allocator, args: []const []const u8) !void { + if (args.len == 0) { + try stderr.write(usage_internal); + os.exit(1); + } + + const sub_commands = []Command{Command{ + .name = "build-info", + .exec = cmdInternalBuildInfo, + }}; + + for (sub_commands) |sub_command| { + if (mem.eql(u8, sub_command.name, args[0])) { + try sub_command.exec(allocator, args[1..]); + return; + } + } + + try stderr.print("unknown sub command: {}\n\n", args[0]); + try stderr.write(usage_internal); +} + +fn cmdInternalBuildInfo(allocator: *Allocator, args: []const []const u8) !void { + try stdout.print( + \\ZIG_CMAKE_BINARY_DIR {} + \\ZIG_CXX_COMPILER {} + \\ZIG_LLVM_CONFIG_EXE {} + \\ZIG_LLD_INCLUDE_PATH {} + \\ZIG_LLD_LIBRARIES {} + \\ZIG_STD_FILES {} + \\ZIG_C_HEADER_FILES {} + \\ZIG_DIA_GUIDS_LIB {} + \\ + , + std.cstr.toSliceConst(c.ZIG_CMAKE_BINARY_DIR), + std.cstr.toSliceConst(c.ZIG_CXX_COMPILER), + std.cstr.toSliceConst(c.ZIG_LLVM_CONFIG_EXE), + std.cstr.toSliceConst(c.ZIG_LLD_INCLUDE_PATH), + std.cstr.toSliceConst(c.ZIG_LLD_LIBRARIES), + std.cstr.toSliceConst(c.ZIG_STD_FILES), + std.cstr.toSliceConst(c.ZIG_C_HEADER_FILES), + std.cstr.toSliceConst(c.ZIG_DIA_GUIDS_LIB), + ); +} + +fn test__floatuntisf(a: u128, expected: f32) void { + const x = __floatuntisf(a); + testing.expect(x == expected); +} + +test "floatuntisf" { + test__floatuntisf(0, 0.0); + + test__floatuntisf(1, 1.0); + test__floatuntisf(2, 2.0); + test__floatuntisf(20, 20.0); + + test__floatuntisf(0x7FFFFF8000000000, 0x1.FFFFFEp+62); + test__floatuntisf(0x7FFFFF0000000000, 0x1.FFFFFCp+62); + + test__floatuntisf(make_ti(0x8000008000000000, 0), 0x1.000001p+127); + test__floatuntisf(make_ti(0x8000000000000800, 0), 0x1.0p+127); + test__floatuntisf(make_ti(0x8000010000000000, 0), 0x1.000002p+127); + + test__floatuntisf(make_ti(0x8000000000000000, 0), 0x1.000000p+127); + + test__floatuntisf(0x0007FB72E8000000, 0x1.FEDCBAp+50); + + test__floatuntisf(0x0007FB72EA000000, 0x1.FEDCBA8p+50); + test__floatuntisf(0x0007FB72EB000000, 0x1.FEDCBACp+50); + + test__floatuntisf(0x0007FB72EC000000, 0x1.FEDCBBp+50); + + test__floatuntisf(0x0007FB72E6000000, 0x1.FEDCB98p+50); + test__floatuntisf(0x0007FB72E7000000, 0x1.FEDCB9Cp+50); + test__floatuntisf(0x0007FB72E4000000, 0x1.FEDCB9p+50); + + test__floatuntisf(0xFFFFFFFFFFFFFFFE, 0x1p+64); + test__floatuntisf(0xFFFFFFFFFFFFFFFF, 0x1p+64); + + test__floatuntisf(0x0007FB72E8000000, 0x1.FEDCBAp+50); + + test__floatuntisf(0x0007FB72EA000000, 0x1.FEDCBAp+50); + test__floatuntisf(0x0007FB72EB000000, 0x1.FEDCBAp+50); + test__floatuntisf(0x0007FB72EBFFFFFF, 0x1.FEDCBAp+50); + test__floatuntisf(0x0007FB72EC000000, 0x1.FEDCBCp+50); + test__floatuntisf(0x0007FB72E8000001, 0x1.FEDCBAp+50); + + test__floatuntisf(0x0007FB72E6000000, 0x1.FEDCBAp+50); + test__floatuntisf(0x0007FB72E7000000, 0x1.FEDCBAp+50); + test__floatuntisf(0x0007FB72E7FFFFFF, 0x1.FEDCBAp+50); + test__floatuntisf(0x0007FB72E4000001, 0x1.FEDCBAp+50); + test__floatuntisf(0x0007FB72E4000000, 0x1.FEDCB8p+50); + + test__floatuntisf(make_ti(0x0000000000001FED, 0xCB90000000000001), 0x1.FEDCBAp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBA0000000000000), 0x1.FEDCBAp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBAFFFFFFFFFFFFF), 0x1.FEDCBAp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBB0000000000000), 0x1.FEDCBCp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBB0000000000001), 0x1.FEDCBCp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBBFFFFFFFFFFFFF), 0x1.FEDCBCp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBC0000000000000), 0x1.FEDCBCp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBC0000000000001), 0x1.FEDCBCp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBD0000000000000), 0x1.FEDCBCp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBD0000000000001), 0x1.FEDCBEp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBDFFFFFFFFFFFFF), 0x1.FEDCBEp+76); + test__floatuntisf(make_ti(0x0000000000001FED, 0xCBE0000000000000), 0x1.FEDCBEp+76); +} + +fn trimStart(slice: []const u8, ch: u8) []const u8 { + var i: usize = 0; + const test_string = "test\"string"; + for (slice) |b| { + if (b == '\xa3') break; + if (b == '\ua3d3') break; + if (b == '\Ua3d3d3') break; + if (b == '\t') break; + if (b == '\n') break; + if (b == '\\') break; + if (b == '\'') break; + if (b == '"') break; + if (b != 'n') break; + if (b != '-') break; + i += 1; + } + + return slice[i..]; +} |