1 #include <msp/fs/stat.h>
2 #include <msp/fs/utils.h>
3 #include <msp/io/print.h>
4 #include <msp/strings/utils.h>
6 #include "csourcefile.h"
8 #include "sharedlibrary.h"
9 #include "staticlibrary.h"
11 #include "virtualfilesystem.h"
18 void update_hash(string &hash, const string &value)
20 for(unsigned i=0; i<value.size(); ++i)
21 hash[i%hash.size()] ^= value[i];
27 VirtualFileSystem::VirtualFileSystem(Builder &b):
32 FileTarget *VirtualFileSystem::get_target(const FS::Path &p) const
34 TargetMap::const_iterator i = targets.find(p.str());
36 return static_cast<FileTarget *>(i->second);
40 void VirtualFileSystem::register_path(const FS::Path &path, FileTarget *t)
42 targets.insert(TargetMap::value_type(path.str(), t));
45 FileTarget *VirtualFileSystem::find_header(const string &name, const SearchPath &path)
48 for(list<string>::const_iterator i=path.begin(); i!=path.end(); ++i)
49 update_hash(hash, *i);
51 string id = hash+name;
52 TargetMap::iterator i = include_cache.find(id);
53 if(i!=include_cache.end())
56 builder.get_logger().log("vfs", format("Looking for header %s with path %s", name, join(path.begin(), path.end())));
58 // XXX This will cause trouble with multiple architectures in a single build
59 const Tool *tool = builder.get_toolchain().get_tool_for_suffix(FS::extpart(FS::basename(name)), true);
62 const Tool::SearchPath &syspath = tool->get_system_path();
65 for(SearchPath::const_iterator j=path.begin(); (!tgt && j!=path.end()); ++j)
66 tgt = get_header(FS::Path(*j)/name, *tool);
67 for(Tool::SearchPath::const_iterator j=syspath.begin(); (!tgt && j!=syspath.end()); ++j)
68 tgt = get_header(FS::Path(*j)/name, *tool);
70 include_cache.insert(TargetMap::value_type(id, tgt));
75 FileTarget *VirtualFileSystem::find_library(const string &lib, const SearchPath &path, LibMode mode)
78 for(list<string>::const_iterator i=path.begin(); i!=path.end(); ++i)
79 update_hash(hash, *i);
81 string id = hash+string(1, mode)+lib;
82 TargetMap::iterator i = library_cache.find(id);
83 if(i!=library_cache.end())
86 const Tool &linker = builder.get_toolchain().get_tool("LINK");
87 const Tool::SearchPath &syspath = linker.get_system_path();
89 builder.get_logger().log("vfs", format("Looking for library %s with path %s", lib, join(path.begin(), path.end())));
92 for(SearchPath::const_iterator j=path.begin(); (!tgt && j!=path.end()); ++j)
93 tgt = get_library(lib, *j, mode);
94 for(Tool::SearchPath::const_iterator j=syspath.begin(); (!tgt && j!=syspath.end()); ++j)
95 tgt = get_library(lib, *j, mode);
97 library_cache.insert(TargetMap::value_type(id, tgt));
102 FileTarget *VirtualFileSystem::get_header(const FS::Path &fn, const Tool &tool)
104 if(FileTarget *tgt = get_target(fn))
108 return dynamic_cast<FileTarget *>(tool.create_source(fn));
113 FileTarget *VirtualFileSystem::get_library(const string &lib, const FS::Path &path, LibMode mode)
115 const Architecture &arch = builder.get_current_arch();
117 /* Try dynamic libraries only if library mode permits it */
120 FS::Path fn = try_patterns(path, arch.get_shared_library_patterns(), lib);
123 FileTarget *tgt = get_target(fn);
125 return new SharedLibrary(builder, fn);
126 else if(mode==DYNAMIC || !tgt->get_package())
131 /* Static libraries are always considered, since sometimes shared versions
132 may not be available */
133 FS::Path fn = try_patterns(path, arch.get_static_library_patterns(), lib);
136 if(FileTarget *tgt = get_target(fn))
139 return new StaticLibrary(builder, fn);
145 FS::Path VirtualFileSystem::try_patterns(const FS::Path &dir, const list<Pattern> &patterns, const string &base)
147 for(list<Pattern>::const_iterator i=patterns.begin(); i!=patterns.end(); ++i)
149 FS::Path full = dir/i->apply(base);
150 if(get_target(full) || FS::is_reg(full))