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build system: add --debug-log advanced option to build runner

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This commit is contained in:
Andrew Kelley 2021-11-24 23:08:16 -07:00
parent b560f46c87
commit 6b87f0dc56
2 changed files with 15 additions and 0 deletions
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6
lib/std/build.zig
View File

@ -68,6 +68,7 @@ pub const Builder = struct {
vcpkg_root: VcpkgRoot,
pkg_config_pkg_list: ?(PkgConfigError![]const PkgConfigPkg) = null,
args: ?[][]const u8 = null,
debug_log_scopes: []const []const u8 = &.{},
const PkgConfigError = error{
PkgConfigCrashed,
@ -2334,6 +2335,11 @@ pub const LibExeObjStep = struct {
try zig_args.append(self.name_prefix);
}
for (builder.debug_log_scopes) |log_scope| {
try zig_args.append("--debug-log");
try zig_args.append(log_scope);
}
if (builder.verbose_tokenize) zig_args.append("--verbose-tokenize") catch unreachable;
if (builder.verbose_ast) zig_args.append("--verbose-ast") catch unreachable;
if (builder.verbose_cimport) zig_args.append("--verbose-cimport") catch unreachable;

9
lib/std/special/build_runner.zig
View File

@ -51,6 +51,7 @@ pub fn main() !void {
defer builder.destroy();
var targets = ArrayList([]const u8).init(allocator);
var debug_log_scopes = ArrayList([]const u8).init(allocator);
const stderr_stream = io.getStdErr().writer();
const stdout_stream = io.getStdOut().writer();
@ -136,6 +137,12 @@ pub fn main() !void {
warn("Expected argument after --zig-lib-dir\n\n", .{});
return usageAndErr(builder, false, stderr_stream);
};
} else if (mem.eql(u8, arg, "--debug-log")) {
const next_arg = nextArg(args, &arg_idx) orelse {
warn("Expected argument after {s}\n\n", .{arg});
return usageAndErr(builder, false, stderr_stream);
};
try debug_log_scopes.append(next_arg);
} else if (mem.eql(u8, arg, "--verbose-tokenize")) {
builder.verbose_tokenize = true;
} else if (mem.eql(u8, arg, "--verbose-ast")) {
@ -166,6 +173,7 @@ pub fn main() !void {
}
}
builder.debug_log_scopes = debug_log_scopes.items;
builder.resolveInstallPrefix(install_prefix, dir_list);
try runBuild(builder);
@ -261,6 +269,7 @@ fn usage(builder: *Builder, already_ran_build: bool, out_stream: anytype) !void
\\ --build-file [file] Override path to build.zig
\\ --cache-dir [path] Override path to zig cache directory
\\ --zig-lib-dir [arg] Override path to Zig lib directory
\\ --debug-log [scope] Enable debugging the compiler
\\ --verbose-tokenize Enable compiler debug output for tokenization
\\ --verbose-ast Enable compiler debug output for parsing into an AST
\\ --verbose-link Enable compiler debug output for linking