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-rw-r--r--build/target37
1 files changed, 34 insertions, 3 deletions
diff --git a/build/target b/build/target
index dd62ec8..5495061 100644
--- a/build/target
+++ b/build/target
@@ -20,6 +20,7 @@
#include <build/map-key> // map_iterator_adapter
#include <build/timestamp>
#include <build/name>
+#include <build/variable>
#include <build/operation>
#include <build/prerequisite>
#include <build/utility> // compare_*, extension_pool
@@ -93,12 +94,13 @@ namespace build
~target () = default;
target (dir_path d, std::string n, const std::string* e)
- : dir (std::move (d)), name (std::move (n)), ext (e) {}
+ : dir (std::move (d)), name (std::move (n)), ext (e),
+ variables (nullptr) {}
const dir_path dir; // Absolute and normalized.
const std::string name;
- const std::string* ext; // Extension, NULL means unspecified.
-
+ const std::string* ext; // Extension, NULL means unspecified,
+ // empty means no extension.
public:
// Most qualified scope that contains this target.
//
@@ -112,6 +114,8 @@ namespace build
scope*
root_scope () const;
+ // Prerequisites.
+ //
public:
typedef
std::vector<std::reference_wrapper<prerequisite>>
@@ -119,6 +123,25 @@ namespace build
prerequisites_type prerequisites;
+ // Target-specific variables.
+ //
+ public:
+ variable_map variables;
+
+ const variable_map&
+ ro_variables () const {return variables;}
+
+ // Variable lookup in this target and all its outer scopes.
+ //
+ value_proxy
+ operator[] (const variable&);
+
+ value_proxy
+ operator[] (const std::string& name)
+ {
+ return operator[] (variable_pool.find (name));
+ }
+
public:
target_state state;
@@ -328,6 +351,14 @@ namespace build
void
path (path_type p) {assert (path_.empty ()); path_ = std::move (p);}
+ // Return a path derived from target's dir, name, and, if specified,
+ // ext. If ext is not specified, then use default_ext. If name_prefix
+ // if not NULL, add it before the name part.
+ //
+ path_type
+ derived_path (const char* default_ext = nullptr,
+ const char* name_prefix = nullptr);
+
protected:
virtual timestamp
load_mtime () const;