X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flib%2Fcsourcefile.cpp;fp=source%2Flib%2Fcsourcefile.cpp;h=bc766059879d210023af0d64c378477ffa28fcc5;hb=c8e829c219c65ff8e93b6c7b66212ff0876441c5;hp=0000000000000000000000000000000000000000;hpb=e2c9c3fffcc61a0c102ccf6a7924e2de709092ad;p=builder.git

diff --git a/source/lib/csourcefile.cpp b/source/lib/csourcefile.cpp
new file mode 100644
index 0000000..bc76605
--- /dev/null
+++ b/source/lib/csourcefile.cpp
@@ -0,0 +1,73 @@
+#include <msp/core/maputils.h>
+#include <msp/fs/utils.h>
+#include <msp/io/print.h>
+#include <msp/strings/regex.h>
+#include "builder.h"
+#include "component.h"
+#include "csourcefile.h"
+#include "sourcepackage.h"
+#include "tool.h"
+
+using namespace std;
+using namespace Msp;
+
+CSourceFile::CSourceFile(Builder &b, const Component &c, const FS::Path &p):
+	SourceFile(b, c, p)
+{
+	string ext = FS::extpart(FS::basename(path));
+	if(ext==".h" || ext==".H" || ext==".hpp")
+		install_location = FS::Path("include")/package->get_name();
+}
+
+void CSourceFile::parse_includes(IO::Base &in)
+{
+	static Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
+
+	string line;
+	while(in.getline(line))
+		if(RegMatch match = r_include.match(line))
+			includes.push_back(match[1].str);
+}
+
+void CSourceFile::find_dependencies()
+{
+	if(!component || !mtime)
+		return;
+
+	const SourcePackage &spkg = component->get_package();
+
+	Cache &cache = spkg.get_cache();
+	if(mtime<cache.get_mtime() && cache.has_key(this, "includes"))
+		includes = cache.get_values(this, "includes");
+	else
+	{
+		IO::BufferedFile in(path.str());
+
+		builder.get_logger().log("files", "Reading includes from %s", path.str());
+
+		parse_includes(in);
+		cache.set_values(this, "includes", includes);
+	}
+
+	const BuildInfo &build_info = component->get_build_info_for_path(path);
+	const auto &incpath = build_info.incpath;
+	VirtualFileSystem::SearchPath local_incpath;
+	local_incpath.reserve(1+build_info.local_incpath.size()+incpath.size());
+	local_incpath.push_back(FS::dirname(path).str());
+	local_incpath.insert(local_incpath.end(), build_info.local_incpath.begin(), build_info.local_incpath.end());
+	local_incpath.insert(local_incpath.end(), incpath.begin(), incpath.end());
+
+	Tool *compiler = builder.get_toolchain().get_tool_for_suffix(FS::extpart(FS::basename(path)), true);
+	if(compiler)
+		compiler->prepare();
+	for(const string &i: includes)
+		if(Target *hdr = builder.get_vfs().find_header(i.substr(1), compiler, (i[0]=='"' ? local_incpath : incpath)))
+			add_transitive_dependency(*hdr);
+}
+
+void CSourceFile::modified()
+{
+	includes.clear();
+	trans_depends.clear();
+	find_dependencies();
+}