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authorBoris Kolpackov <boris@codesynthesis.com>2022-04-26 10:39:03 +0200
committerKaren Arutyunov <karen@codesynthesis.com>2022-07-07 18:08:25 +0300
commita473abe80f4c42a366f0573bbbc762fa440b7fe6 (patch)
tree6214c1d25162c2e614ed91e163011ac13091e7e3 /libbuild2/build/script/parser.cxx
parent900436dd83787f2cd47e7fc37f0530fc581a3e3b (diff)
Use new cmdline type for canned command lines in {Build,Test}script
Diffstat (limited to 'libbuild2/build/script/parser.cxx')
-rw-r--r--libbuild2/build/script/parser.cxx111
1 files changed, 67 insertions, 44 deletions
diff --git a/libbuild2/build/script/parser.cxx b/libbuild2/build/script/parser.cxx
index a27ec41..2112b5e 100644
--- a/libbuild2/build/script/parser.cxx
+++ b/libbuild2/build/script/parser.cxx
@@ -711,6 +711,19 @@ namespace build2
return nullopt;
}
+ // If this is a value of the special cmdline type, then only do
+ // certain tests below if the value is not quoted and doesn't contain
+ // any characters that would be consumed by re-lexing.
+ //
+ // This is somewhat of a hack but handling this properly would not
+ // only require unquoting but also keeping track of which special
+ // characters were quoted (and thus should be treated literally) and
+ // which were not (and thus should act as separators, etc).
+ //
+ bool qs (pr.type != nullptr &&
+ pr.type->is_a<cmdline> () &&
+ need_cmdline_relex (ns[0].value));
+
// We have to handle process_path[_ex] and executable target. The
// process_path[_ex] we may have to recognize syntactically because
// of the loss of type, for example:
@@ -744,10 +757,14 @@ namespace build2
pp_vt = pr.type;
ns.clear ();
}
- else if (ns[0].file ())
+ else if (ns[0].file () && !qs)
{
// Find the end of the value.
//
+ // Note that here we ignore the whole cmdline issue (see above)
+ // for the further values assuming that they are unquoted and
+ // don't contain any special characters.
+ //
auto b (ns.begin ());
auto i (value_traits<process_path_ex>::find_end (ns));
@@ -814,40 +831,43 @@ namespace build2
//
else if (!ns[0].simple ())
{
- if (const target* t = search_existing (
- ns[0], *scope_, ns[0].pair ? ns[1].dir : empty_dir_path))
+ if (!qs)
{
- if (const auto* et = t->is_a<exe> ())
+ if (const target* t = search_existing (
+ ns[0], *scope_, ns[0].pair ? ns[1].dir : empty_dir_path))
{
- if (pre_parse_)
+ if (const auto* et = t->is_a<exe> ())
{
- if (auto* n = et->lookup_metadata<string> ("name"))
+ if (pre_parse_)
{
- set_diag (*n, 3);
- return nullopt;
+ if (auto* n = et->lookup_metadata<string> ("name"))
+ {
+ set_diag (*n, 3);
+ return nullopt;
+ }
+ // Fall through.
}
- // Fall through.
- }
- else
- {
- process_path pp (et->process_path ());
+ else
+ {
+ process_path pp (et->process_path ());
- if (pp.empty ())
- fail (l) << "target " << *et << " is out of date" <<
- info << "consider specifying it as a prerequisite of "
- << environment_->target;
+ if (pp.empty ())
+ fail (l) << "target " << *et << " is out of date" <<
+ info << "consider specifying it as a prerequisite of "
+ << environment_->target;
- ns.erase (ns.begin (), ns.begin () + (ns[0].pair ? 2 : 1));
- return optional<process_path> (move (pp));
+ ns.erase (ns.begin (), ns.begin () + (ns[0].pair ? 2 : 1));
+ return optional<process_path> (move (pp));
+ }
}
- }
- if (pre_parse_)
- {
- diag_record dr (fail (l));
- dr << "unable to deduce low-verbosity script diagnostics name "
- << "from target " << *t;
- suggest_diag (dr);
+ if (pre_parse_)
+ {
+ diag_record dr (fail (l));
+ dr << "unable to deduce low-verbosity script diagnostics name "
+ << "from target " << *t;
+ suggest_diag (dr);
+ }
}
}
@@ -865,26 +885,29 @@ namespace build2
{
// If we are here, the name is simple and is not part of a pair.
//
- string& v (ns[0].value);
+ if (!qs)
+ {
+ string& v (ns[0].value);
- // Try to interpret the name as a builtin.
- //
- const builtin_info* bi (builtins.find (v));
+ // Try to interpret the name as a builtin.
+ //
+ const builtin_info* bi (builtins.find (v));
- if (bi != nullptr)
- {
- set_diag (move (v), bi->weight);
- return nullopt;
- }
- //
- // Try to interpret the name as a pseudo-builtin.
- //
- // Note that both of them has the zero weight and cannot be picked
- // up as a script name.
- //
- else if (v == "set" || v == "exit")
- {
- return nullopt;
+ if (bi != nullptr)
+ {
+ set_diag (move (v), bi->weight);
+ return nullopt;
+ }
+ //
+ // Try to interpret the name as a pseudo-builtin.
+ //
+ // Note that both of them has the zero weight and cannot be picked
+ // up as a script name.
+ //
+ else if (v == "set" || v == "exit")
+ {
+ return nullopt;
+ }
}
diag_record dr (fail (l));