forked from OctaForge/OctaBuild
move more stuff to state struct
parent
a3317607d0
commit
456e9ef11b
226
main.cc
226
main.cc
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@ -18,20 +18,13 @@ struct Rule {
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~Rule() { cscript::bcode_unref(func); }
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};
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struct ObState {
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cscript::CsState cs;
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ostd::ConstCharRange progname;
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template<typename ...A>
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int error(int retcode, ostd::ConstCharRange fmt, A &&...args) {
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ostd::err.write(progname, ": ");
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ostd::err.writefln(fmt, ostd::forward<A>(args)...);
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return retcode;
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}
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};
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ostd::Vector<Rule> rules;
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struct SubRule {
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ostd::ConstCharRange sub;
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Rule *rule;
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};
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static time_t ob_get_file_ts(const char *fname) {
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struct stat st;
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if (stat(fname, &st) < 0) return 0;
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@ -63,85 +56,6 @@ static bool ob_check_exec(ostd::ConstCharRange tname,
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return ob_check_ts(tname, deps);
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}
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static int ob_exec_rule(ObState &os, ostd::ConstCharRange target,
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ostd::ConstCharRange from = nullptr);
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struct SubRule {
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ostd::ConstCharRange sub;
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Rule *rule;
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};
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static int ob_exec_rlist(ObState &os,
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const ostd::Vector<SubRule> &rlist,
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ostd::Vector<ostd::String> &subdeps,
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ostd::ConstCharRange tname) {
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ostd::String repd;
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for (auto &sr: rlist.iter()) for (auto &target: sr.rule->deps.iter()) {
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ostd::ConstCharRange atgt = target.iter();
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repd.clear();
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auto lp = ostd::find(atgt, '%');
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if (!lp.empty()) {
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repd.append(ostd::slice_until(atgt, lp));
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repd.append(sr.sub);
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lp.pop_front();
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if (!lp.empty()) repd.append(lp);
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atgt = repd.iter();
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}
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subdeps.push(atgt);
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int r = ob_exec_rule(os, atgt, tname);
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if (r) return r;
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}
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return 0;
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}
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static int ob_exec_func(ObState &os, ostd::ConstCharRange tname,
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const ostd::Vector<SubRule> &rlist) {
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ostd::Vector<ostd::String> subdeps;
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int r = ob_exec_rlist(os, rlist, subdeps, tname);
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if (ob_check_exec(tname, subdeps)) {
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if (r) return r;
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ostd::Uint32 *func = nullptr;
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for (auto &sr: rlist.iter()) {
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Rule &r = *sr.rule;
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if (!r.func)
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continue;
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if (func)
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return os.error(1, "redefinition of rule '%s'", tname);
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func = r.func;
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}
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if (func) {
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cscript::StackedValue targetv, sourcev, sourcesv;
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targetv.id = os.cs.new_ident("target");
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if (!cscript::check_alias(targetv.id))
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return 1;
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targetv.set_cstr(tname);
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targetv.push();
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if (subdeps.size() > 0) {
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sourcev.id = os.cs.new_ident("source");
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sourcesv.id = os.cs.new_ident("sources");
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if (!cscript::check_alias(sourcev.id))
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return 1;
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if (!cscript::check_alias(sourcesv.id))
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return 1;
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sourcev.set_cstr(subdeps[0]);
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sourcev.push();
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auto dsv = ostd::appender<ostd::String>();
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ostd::concat(dsv, subdeps);
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ostd::Size len = dsv.size();
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sourcesv.set_str(ostd::CharRange(dsv.get().disown(), len));
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sourcesv.push();
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}
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return os.cs.run_int(func);
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}
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}
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return 0;
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}
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static ostd::ConstCharRange ob_compare_subst(ostd::ConstCharRange expanded,
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ostd::ConstCharRange toexpand) {
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auto rep = ostd::find(toexpand, '%');
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@ -172,31 +86,113 @@ static ostd::ConstCharRange ob_compare_subst(ostd::ConstCharRange expanded,
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return expanded;
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}
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static int ob_exec_rule(ObState &os, ostd::ConstCharRange target,
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ostd::ConstCharRange from) {
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ostd::Vector<SubRule> rlist;
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for (auto &rule: rules.iter()) {
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if (target == rule.target) {
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rlist.push().rule = &rule;
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continue;
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}
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ostd::ConstCharRange sub = ob_compare_subst(target, rule.target);
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if (!sub.empty()) {
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SubRule &sr = rlist.push();
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sr.rule = &rule;
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sr.sub = sub;
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}
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struct ObState {
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cscript::CsState cs;
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ostd::ConstCharRange progname;
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template<typename ...A>
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int error(int retcode, ostd::ConstCharRange fmt, A &&...args) {
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ostd::err.write(progname, ": ");
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ostd::err.writefln(fmt, ostd::forward<A>(args)...);
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return retcode;
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}
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if (rlist.empty() && !ob_check_file(target)) {
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if (from.empty())
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return os.error(1, "no rule to run target '%s'", target);
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else
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return os.error(1, "no rule to run target '%s' (needed by '%s')",
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target, from);
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return 1;
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int exec_list(const ostd::Vector<SubRule> &rlist,
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ostd::Vector<ostd::String> &subdeps,
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ostd::ConstCharRange tname) {
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ostd::String repd;
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for (auto &sr: rlist.iter()) for (auto &target: sr.rule->deps.iter()) {
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ostd::ConstCharRange atgt = target.iter();
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repd.clear();
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auto lp = ostd::find(atgt, '%');
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if (!lp.empty()) {
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repd.append(ostd::slice_until(atgt, lp));
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repd.append(sr.sub);
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lp.pop_front();
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if (!lp.empty()) repd.append(lp);
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atgt = repd.iter();
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}
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subdeps.push(atgt);
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int r = exec_rule(atgt, tname);
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if (r) return r;
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}
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return 0;
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}
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return ob_exec_func(os, target, rlist);
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}
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int exec_func(ostd::ConstCharRange tname,
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const ostd::Vector<SubRule> &rlist) {
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ostd::Vector<ostd::String> subdeps;
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int r = exec_list(rlist, subdeps, tname);
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if (ob_check_exec(tname, subdeps)) {
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if (r) return r;
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ostd::Uint32 *func = nullptr;
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for (auto &sr: rlist.iter()) {
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Rule &r = *sr.rule;
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if (!r.func)
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continue;
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if (func)
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return error(1, "redefinition of rule '%s'", tname);
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func = r.func;
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}
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if (func) {
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cscript::StackedValue targetv, sourcev, sourcesv;
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targetv.id = cs.new_ident("target");
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if (!cscript::check_alias(targetv.id))
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return 1;
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targetv.set_cstr(tname);
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targetv.push();
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if (subdeps.size() > 0) {
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sourcev.id = cs.new_ident("source");
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sourcesv.id = cs.new_ident("sources");
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if (!cscript::check_alias(sourcev.id))
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return 1;
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if (!cscript::check_alias(sourcesv.id))
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return 1;
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sourcev.set_cstr(subdeps[0]);
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sourcev.push();
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auto dsv = ostd::appender<ostd::String>();
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ostd::concat(dsv, subdeps);
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ostd::Size len = dsv.size();
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sourcesv.set_str(ostd::CharRange(dsv.get().disown(), len));
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sourcesv.push();
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}
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return cs.run_int(func);
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}
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}
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return 0;
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}
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int exec_rule(ostd::ConstCharRange target,
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ostd::ConstCharRange from = nullptr) {
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ostd::Vector<SubRule> rlist;
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for (auto &rule: rules.iter()) {
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if (target == rule.target) {
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rlist.push().rule = &rule;
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continue;
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}
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ostd::ConstCharRange sub = ob_compare_subst(target, rule.target);
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if (!sub.empty()) {
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SubRule &sr = rlist.push();
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sr.rule = &rule;
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sr.sub = sub;
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}
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}
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if (rlist.empty() && !ob_check_file(target)) {
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if (from.empty())
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return error(1, "no rule to run target '%s'", target);
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else
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return error(1, "no rule to run target '%s' (needed by '%s')",
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target, from);
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return 1;
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}
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return exec_func(target, rlist);
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}
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};
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static void ob_rule_cmd(cscript::CsState &, const char *tgt, const char *dep,
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ostd::Uint32 *body, int *numargs) {
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@ -242,5 +238,5 @@ int main(int argc, char **argv) {
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if (rules.empty())
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return os.error(1, "no targets");
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return ob_exec_rule(os, (argc > 1) ? argv[1] : "all");
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return os.exec_rule((argc > 1) ? argv[1] : "all");
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}
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