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-rw-r--r--libbuild2/build/script/parser.hxx79
1 files changed, 70 insertions, 9 deletions
diff --git a/libbuild2/build/script/parser.hxx b/libbuild2/build/script/parser.hxx
index b737a13..da15509 100644
--- a/libbuild2/build/script/parser.hxx
+++ b/libbuild2/build/script/parser.hxx
@@ -8,7 +8,6 @@
#include <libbuild2/forward.hxx>
#include <libbuild2/utility.hxx>
-#include <libbuild2/depdb.hxx>
#include <libbuild2/diagnostics.hxx>
#include <libbuild2/script/parser.hxx>
@@ -82,21 +81,51 @@ namespace build2
// initialize/clean up the environment before/after the script
// execution.
//
+ // Note: having both root and base scopes for testing (where we pass
+ // global scope for both).
+ //
void
execute_body (const scope& root, const scope& base,
environment&, const script&, runner&,
bool enter = true, bool leave = true);
+ // Execute the first or the second (dyndep) half of the depdb
+ // preamble.
+ //
// Note that it's the caller's responsibility to make sure that the
// runner's enter() function is called before the first preamble/body
// command execution and leave() -- after the last command.
//
void
- execute_depdb_preamble (const scope& root, const scope& base,
- environment&, const script&, runner&,
- depdb&);
+ execute_depdb_preamble (action a, const scope& base, const file& t,
+ environment& e, const script& s, runner& r,
+ depdb& dd)
+ {
+ auto b (s.depdb_preamble.begin ());
+ exec_depdb_preamble (
+ a, base, t,
+ e, s, r,
+ b,
+ (s.depdb_dyndep
+ ? b + *s.depdb_dyndep
+ : s.depdb_preamble.end ()),
+ dd);
+ }
+ void
+ execute_depdb_preamble_dyndep (
+ action a, const scope& base, file& t,
+ environment& e, const script& s, runner& r,
+ depdb& dd, bool& update, bool& deferred_failure, timestamp mt)
+ {
+ exec_depdb_preamble (
+ a, base, t,
+ e, s, r,
+ s.depdb_preamble.begin () + *s.depdb_dyndep,
+ s.depdb_preamble.end (),
+ dd, &update, &deferred_failure, mt);
+ }
// Parse a special builtin line into names, performing the variable
// and pattern expansions. If omit_builtin is true, then omit the
@@ -115,12 +144,38 @@ namespace build2
pre_exec (const scope& root, const scope& base,
environment&, const script*, runner*);
+ using lines_iterator = lines::const_iterator;
+
+ void
+ exec_lines (lines_iterator, lines_iterator,
+ const function<exec_cmd_function>&);
+
void
- exec_lines (const lines&, const function<exec_cmd_function>&);
+ exec_lines (const lines& l, const function<exec_cmd_function>& c)
+ {
+ exec_lines (l.begin (), l.end (), c);
+ }
names
- exec_special (token& t, build2::script::token_type& tt,
- bool omit_builtin = true);
+ exec_special (token&, build2::script::token_type&, bool skip_first);
+
+ void
+ exec_depdb_preamble (action, const scope& base, const file&,
+ environment&, const script&, runner&,
+ lines_iterator begin, lines_iterator end,
+ depdb&,
+ bool* update = nullptr,
+ bool* deferred_failure = nullptr,
+ optional<timestamp> mt = nullopt);
+
+ void
+ exec_depdb_dyndep (token&, build2::script::token_type&,
+ size_t line_index, const location&,
+ action, const scope& base, file&,
+ depdb&,
+ bool& update,
+ bool& deferred_failure,
+ timestamp);
// Helpers.
//
@@ -219,8 +274,14 @@ namespace build2
// depdb env <var-names> - Track the environment variables change as a
// hash.
//
- optional<location> depdb_clear_; // 'depdb clear' location if any.
- lines depdb_preamble_; // Note: excludes 'depdb clear'.
+ // depdb dyndep ... - Extract dynamic dependency information.
+ // Can only be the last depdb builtin call
+ // in the preamble.
+ //
+ optional<location> depdb_clear_; // depdb-clear location.
+ optional<pair<location, size_t>>
+ depdb_dyndep_; // depdb-dyndep location/position.
+ lines depdb_preamble_; // Note: excluding depdb-clear.
// If present, the first impure function called in the body of the
// script that performs update of a file-based target.