mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2025-12-24 15:13:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

std.build.ConfigHeaderStep: support cmake syntax

Browse Source 
It's not fully implemented yet, for example `@FOO@` syntax is not
handled.
This commit is contained in:
Andrew Kelley 2023-01-17 00:44:57 -07:00
parent 37424fd11a
commit 6db3869fc7
1 changed files with 76 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

109
lib/std/build/ConfigHeaderStep.zig
View File

@ -188,34 +188,7 @@ fn render_autoconf(
any_errors = true;
continue;
};
switch (kv.value) {
.undef => {
try output.appendSlice("/* #undef ");
try output.appendSlice(name);
try output.appendSlice(" */\n");
},
.defined => {
try output.appendSlice("#define ");
try output.appendSlice(name);
try output.appendSlice("\n");
},
.boolean => |b| {
try output.appendSlice("#define ");
try output.appendSlice(name);
try output.appendSlice(" ");
try output.appendSlice(if (b) "true\n" else "false\n");
},
.int => |i| {
try output.writer().print("#define {s} {d}\n", .{ name, i });
},
.ident => |ident| {
try output.writer().print("#define {s} {s}\n", .{ name, ident });
},
.string => |string| {
// TODO: use C-specific escaping instead of zig string literals
try output.writer().print("#define {s} \"{}\"\n", .{ name, std.zig.fmtEscapes(string) });
},
}
try renderValue(output, name, kv.value);
}
{
@ -237,9 +210,79 @@ fn render_cmake(
values_copy: *std.StringHashMap(Value),
src_path: []const u8,
) !void {
_ = contents;
_ = output;
_ = values_copy;
_ = src_path;
@panic("TODO: render_cmake is not implemented yet");
var any_errors = false;
var line_index: u32 = 0;
var line_it = std.mem.split(u8, contents, "\n");
while (line_it.next()) |line| : (line_index += 1) {
if (!std.mem.startsWith(u8, line, "#")) {
try output.appendSlice(line);
try output.appendSlice("\n");
continue;
}
var it = std.mem.tokenize(u8, line[1..], " \t\r");
const cmakedefine = it.next().?;
if (!std.mem.eql(u8, cmakedefine, "cmakedefine")) {
try output.appendSlice(line);
try output.appendSlice("\n");
continue;
}
const name = it.next() orelse {
std.debug.print("{s}:{d}: error: missing define name\n", .{
src_path, line_index + 1,
});
any_errors = true;
continue;
};
const kv = values_copy.fetchRemove(name) orelse {
std.debug.print("{s}:{d}: error: unspecified config header value: '{s}'\n", .{
src_path, line_index + 1, name,
});
any_errors = true;
continue;
};
try renderValue(output, name, kv.value);
}
{
var it = values_copy.iterator();
while (it.next()) |entry| {
const name = entry.key_ptr.*;
std.debug.print("{s}: error: config header value unused: '{s}'\n", .{ src_path, name });
}
}
if (any_errors) {
return error.HeaderConfigFailed;
}
}
fn renderValue(output: *std.ArrayList(u8), name: []const u8, value: Value) !void {
switch (value) {
.undef => {
try output.appendSlice("/* #undef ");
try output.appendSlice(name);
try output.appendSlice(" */\n");
},
.defined => {
try output.appendSlice("#define ");
try output.appendSlice(name);
try output.appendSlice("\n");
},
.boolean => |b| {
try output.appendSlice("#define ");
try output.appendSlice(name);
try output.appendSlice(" ");
try output.appendSlice(if (b) "true\n" else "false\n");
},
.int => |i| {
try output.writer().print("#define {s} {d}\n", .{ name, i });
},
.ident => |ident| {
try output.writer().print("#define {s} {s}\n", .{ name, ident });
},
.string => |string| {
// TODO: use C-specific escaping instead of zig string literals
try output.writer().print("#define {s} \"{}\"\n", .{ name, std.zig.fmtEscapes(string) });
},
}
}