1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
const std = @import("std");
const Step = std.Build.Step;
const LazyPath = std.Build.LazyPath;
const fs = std.fs;
const mem = std.mem;
const TranslateC = @This();
pub const base_id: Step.Id = .translate_c;
step: Step,
source: std.Build.LazyPath,
include_dirs: std.array_list.Managed(std.Build.Module.IncludeDir),
c_macros: std.array_list.Managed([]const u8),
out_basename: []const u8,
target: std.Build.ResolvedTarget,
optimize: std.builtin.OptimizeMode,
output_file: std.Build.GeneratedFile,
link_libc: bool,
use_clang: bool,
pub const Options = struct {
root_source_file: std.Build.LazyPath,
target: std.Build.ResolvedTarget,
optimize: std.builtin.OptimizeMode,
link_libc: bool = true,
use_clang: bool = true,
};
pub fn create(owner: *std.Build, options: Options) *TranslateC {
const translate_c = owner.allocator.create(TranslateC) catch @panic("OOM");
const source = options.root_source_file.dupe(owner);
translate_c.* = .{
.step = Step.init(.{
.id = base_id,
.name = "translate-c",
.owner = owner,
.makeFn = make,
}),
.source = source,
.include_dirs = std.array_list.Managed(std.Build.Module.IncludeDir).init(owner.allocator),
.c_macros = std.array_list.Managed([]const u8).init(owner.allocator),
.out_basename = undefined,
.target = options.target,
.optimize = options.optimize,
.output_file = .{ .step = &translate_c.step },
.link_libc = options.link_libc,
.use_clang = options.use_clang,
};
source.addStepDependencies(&translate_c.step);
return translate_c;
}
pub const AddExecutableOptions = struct {
name: ?[]const u8 = null,
version: ?std.SemanticVersion = null,
target: ?std.Build.ResolvedTarget = null,
optimize: ?std.builtin.OptimizeMode = null,
linkage: ?std.builtin.LinkMode = null,
};
pub fn getOutput(translate_c: *TranslateC) std.Build.LazyPath {
return .{ .generated = .{ .file = &translate_c.output_file } };
}
/// Creates a module from the translated source and adds it to the package's
/// module set making it available to other packages which depend on this one.
/// `createModule` can be used instead to create a private module.
pub fn addModule(translate_c: *TranslateC, name: []const u8) *std.Build.Module {
return translate_c.step.owner.addModule(name, .{
.root_source_file = translate_c.getOutput(),
.target = translate_c.target,
.optimize = translate_c.optimize,
.link_libc = translate_c.link_libc,
});
}
/// Creates a private module from the translated source to be used by the
/// current package, but not exposed to other packages depending on this one.
/// `addModule` can be used instead to create a public module.
pub fn createModule(translate_c: *TranslateC) *std.Build.Module {
return translate_c.step.owner.createModule(.{
.root_source_file = translate_c.getOutput(),
.target = translate_c.target,
.optimize = translate_c.optimize,
.link_libc = translate_c.link_libc,
});
}
pub fn addAfterIncludePath(translate_c: *TranslateC, lazy_path: LazyPath) void {
const b = translate_c.step.owner;
translate_c.include_dirs.append(.{ .path_after = lazy_path.dupe(b) }) catch
@panic("OOM");
lazy_path.addStepDependencies(&translate_c.step);
}
pub fn addSystemIncludePath(translate_c: *TranslateC, lazy_path: LazyPath) void {
const b = translate_c.step.owner;
translate_c.include_dirs.append(.{ .path_system = lazy_path.dupe(b) }) catch
@panic("OOM");
lazy_path.addStepDependencies(&translate_c.step);
}
pub fn addIncludePath(translate_c: *TranslateC, lazy_path: LazyPath) void {
const b = translate_c.step.owner;
translate_c.include_dirs.append(.{ .path = lazy_path.dupe(b) }) catch
@panic("OOM");
lazy_path.addStepDependencies(&translate_c.step);
}
pub fn addConfigHeader(translate_c: *TranslateC, config_header: *Step.ConfigHeader) void {
translate_c.include_dirs.append(.{ .config_header_step = config_header }) catch
@panic("OOM");
translate_c.step.dependOn(&config_header.step);
}
pub fn addSystemFrameworkPath(translate_c: *TranslateC, directory_path: LazyPath) void {
const b = translate_c.step.owner;
translate_c.include_dirs.append(.{ .framework_path_system = directory_path.dupe(b) }) catch
@panic("OOM");
directory_path.addStepDependencies(&translate_c.step);
}
pub fn addFrameworkPath(translate_c: *TranslateC, directory_path: LazyPath) void {
const b = translate_c.step.owner;
translate_c.include_dirs.append(.{ .framework_path = directory_path.dupe(b) }) catch
@panic("OOM");
directory_path.addStepDependencies(&translate_c.step);
}
pub fn addCheckFile(translate_c: *TranslateC, expected_matches: []const []const u8) *Step.CheckFile {
return Step.CheckFile.create(
translate_c.step.owner,
translate_c.getOutput(),
.{ .expected_matches = expected_matches },
);
}
/// If the value is omitted, it is set to 1.
/// `name` and `value` need not live longer than the function call.
pub fn defineCMacro(translate_c: *TranslateC, name: []const u8, value: ?[]const u8) void {
const macro = translate_c.step.owner.fmt("{s}={s}", .{ name, value orelse "1" });
translate_c.c_macros.append(macro) catch @panic("OOM");
}
/// name_and_value looks like [name]=[value]. If the value is omitted, it is set to 1.
pub fn defineCMacroRaw(translate_c: *TranslateC, name_and_value: []const u8) void {
translate_c.c_macros.append(translate_c.step.owner.dupe(name_and_value)) catch @panic("OOM");
}
fn make(step: *Step, options: Step.MakeOptions) !void {
const prog_node = options.progress_node;
const b = step.owner;
const translate_c: *TranslateC = @fieldParentPtr("step", step);
var argv_list = std.array_list.Managed([]const u8).init(b.allocator);
try argv_list.append(b.graph.zig_exe);
try argv_list.append("translate-c");
if (translate_c.link_libc) {
try argv_list.append("-lc");
}
if (!translate_c.use_clang) {
try argv_list.append("-fno-clang");
}
try argv_list.append("--cache-dir");
try argv_list.append(b.cache_root.path orelse ".");
try argv_list.append("--global-cache-dir");
try argv_list.append(b.graph.global_cache_root.path orelse ".");
try argv_list.append("--listen=-");
if (!translate_c.target.query.isNative()) {
try argv_list.append("-target");
try argv_list.append(try translate_c.target.query.zigTriple(b.allocator));
}
switch (translate_c.optimize) {
.Debug => {}, // Skip since it's the default.
else => try argv_list.append(b.fmt("-O{s}", .{@tagName(translate_c.optimize)})),
}
for (translate_c.include_dirs.items) |include_dir| {
try include_dir.appendZigProcessFlags(b, &argv_list, step);
}
for (translate_c.c_macros.items) |c_macro| {
try argv_list.append("-D");
try argv_list.append(c_macro);
}
const c_source_path = translate_c.source.getPath2(b, step);
try argv_list.append(c_source_path);
const output_dir = try step.evalZigProcess(argv_list.items, prog_node, false, options.web_server, options.gpa);
const basename = std.fs.path.stem(std.fs.path.basename(c_source_path));
translate_c.out_basename = b.fmt("{s}.zig", .{basename});
translate_c.output_file.path = output_dir.?.joinString(b.allocator, translate_c.out_basename) catch @panic("OOM");
}
|
