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Patch 2794681: Add usage() to copy settings from dependent projects (Korval)

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With help from Conrad Mercer. Still needs unit tests (and testing in general)
This commit is contained in:
Jason Perkins 2010-05-29 17:31:37 -04:00
parent ec0c649d62
commit a92ab43bde
3 changed files with 330 additions and 29 deletions
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8
CHANGES.txt
View File

@ -1,3 +1,10 @@
-------
4.3 (in progress)
-------
* Patch 2794681: Add usage() to copy settings from dependent projects (Korval)
-------
4.2.2 (in progress)
-------
@ -97,7 +104,6 @@
- Bug 2790865: SharedLib on OSX fixes (Ash Berlin)
- Bug 2790882: Trailing slash in path.getabsolute (Ash Berlin)
RC2 -> RC3
- Bug 2805763: GCC PCH breaks on path

118
src/base/api.lua
View File

@ -52,6 +52,7 @@
{
kind = "list",
scope = "config",
usagecopy = true,
},
excludes =
@ -71,6 +72,7 @@
kind = "list",
scope = "config",
isflags = true,
usagecopy = true,
allowed = {
"EnableSSE",
"EnableSSE2",
@ -99,7 +101,7 @@
"Unicode",
"Unsafe",
"WinMain"
}
},
},
framework =
@ -156,6 +158,7 @@
{
kind = "dirlist",
scope = "config",
usagecopy = true,
},
kind =
@ -185,6 +188,7 @@
{
kind = "dirlist",
scope = "config",
linkagecopy = true,
},
linkoptions =
@ -203,8 +207,8 @@
value = path.getabsolute(value)
end
return value
end
end,
linkagecopy = true,
},
location =
@ -331,6 +335,12 @@
return value:upper()
end
},
uses =
{
kind = "list",
scope = "config",
},
}
@ -592,10 +602,53 @@
return cfg
end
local function createproject(name, sln, isUsage)
local prj = {}
function project(name)
if not name then
return iif(type(premake.CurrentContainer) == "project", premake.CurrentContainer, nil)
-- attach a type
setmetatable(prj, {
__type = "project",
})
-- add to master list keyed by both name and index
table.insert(sln.projects, prj)
if(isUsage) then
--If we're creating a new usage project, and there's already a project
--with our name, then set us as the usage project for that project.
--Otherwise, set us as the project in that slot.
if(sln.projects[name]) then
sln.projects[name].usageProj = prj;
else
sln.projects[name] = prj
end
else
--If we're creating a regular project, and there's already a project
--with our name, then it must be a usage project. Set it as our usage project
--and set us as the project in that slot.
if(sln.projects[name]) then
prj.usageProj = sln.projects[name];
end
sln.projects[name] = prj
end
prj.solution = sln
prj.name = name
prj.basedir = os.getcwd()
prj.location = prj.basedir
prj.uuid = os.uuid()
prj.blocks = { }
prj.usage = isUsage;
return prj;
end
function usage(name)
if (not name) then
--Only return usage projects.
if(type(premake.CurrentContainer) ~= "project") then return nil end
if(not premake.CurrentContainer.usage) then return nil end
return premake.CurrentContainer
end
-- identify the parent solution
@ -609,26 +662,45 @@
error("no active solution", 2)
end
-- if this is a new project, create it
premake.CurrentContainer = sln.projects[name]
if (not premake.CurrentContainer) then
local prj = { }
premake.CurrentContainer = prj
-- if this is a new project, or the project in that slot doesn't have a usage, create it
if((not sln.projects[name]) or
((not sln.projects[name].usage) and (not sln.projects[name].usageProj))) then
premake.CurrentContainer = createproject(name, sln, true)
else
premake.CurrentContainer = iff(sln.projects[name].usage,
sln.projects[name], sln.projects[name].usageProj)
end
-- add to master list keyed by both name and index
table.insert(sln.projects, prj)
sln.projects[name] = prj
-- add an empty, global configuration to the project
configuration { }
-- attach a type
setmetatable(prj, {
__type = "project",
})
return premake.CurrentContainer
end
prj.solution = sln
prj.name = name
prj.basedir = os.getcwd()
prj.uuid = os.uuid()
prj.blocks = { }
function project(name)
if (not name) then
--Only return non-usage projects
if(type(premake.CurrentContainer) ~= "project") then return nil end
if(premake.CurrentContainer.usage) then return nil end
return premake.CurrentContainer
end
-- identify the parent solution
local sln
if (type(premake.CurrentContainer) == "project") then
sln = premake.CurrentContainer.solution
else
sln = premake.CurrentContainer
end
if (type(sln) ~= "solution") then
error("no active solution", 2)
end
-- if this is a new project, or the old project is a usage project, create it
if((not sln.projects[name]) or sln.projects[name].usage) then
premake.CurrentContainer = createproject(name, sln)
else
premake.CurrentContainer = sln.projects[name];
end
-- add an empty, global configuration to the project

223
src/base/configs.lua
View File

@ -418,7 +418,192 @@
end
end
local function getCfgKind(cfg)
if(cfg.kind) then
return cfg.kind;
end
if(cfg.project.__configs[""] and cfg.project.__configs[""].kind) then
return cfg.project.__configs[""].kind;
end
return nil
end
local function getprojrec(dstArray, foundList, cfg, cfgname, searchField, bLinkage)
if(not cfg) then return end
local foundUsePrjs = {};
for _, useName in ipairs(cfg[searchField]) do
local testName = useName:lower();
if((not foundList[testName])) then
local theProj = nil;
local theUseProj = nil;
for _, prj in ipairs(cfg.project.solution.projects) do
if (prj.name:lower() == testName) then
if(prj.usage) then
theUseProj = prj;
else
theProj = prj;
end
end
end
--Must connect to a usage project.
if(theUseProj) then
foundList[testName] = true;
local prjEntry = {
name = testName,
proj = theProj,
usageProj = theUseProj,
bLinkageOnly = bLinkage,
};
dstArray[testName] = prjEntry;
table.insert(foundUsePrjs, theUseProj);
end
end
end
for _, usePrj in ipairs(foundUsePrjs) do
--Links can only recurse through static libraries.
if((searchField ~= "links") or
(getCfgKind(usePrj.__configs[cfgname]) == "StaticLib")) then
getprojrec(dstArray, foundList, usePrj.__configs[cfgname],
cfgname, searchField, bLinkage);
end
end
end
--
-- This function will recursively get all projects that the given configuration has in its "uses"
-- field. The return values are a list of tables. Each table in that list contains the following:
-- name = The lowercase name of the project.
-- proj = The project. Can be nil if it is usage-only.
-- usageProj = The usage project. Can't be nil, as using a project that has no
-- usage project is not put into the list.
-- bLinkageOnly = If this is true, then only the linkage information should be copied.
-- The recursion will only look at the "uses" field on *usage* projects.
-- This function will also add projects to the list that are mentioned in the "links"
-- field of usage projects. These will only copy linker information, but they will recurse.
-- through other "links" fields.
--
local function getprojectsconnections(cfg, cfgname)
local dstArray = {};
local foundList = {};
foundList[cfg.project.name:lower()] = true;
--First, follow the uses recursively.
getprojrec(dstArray, foundList, cfg, cfgname, "uses", false);
--Next, go through all of the usage projects and recursively get their links.
--But only if they're not already there. Get the links as linkage-only.
local linkArray = {};
for prjName, prjEntry in pairs(dstArray) do
getprojrec(linkArray, foundList, prjEntry.usageProj.__configs[cfgname], cfgname,
"links", true);
end
--Copy from linkArray into dstArray.
for prjName, prjEntry in pairs(linkArray) do
dstArray[prjName] = prjEntry;
end
return dstArray;
end
local function isnameofproj(cfg, strName)
local sln = cfg.project.solution;
local strTest = strName:lower();
for prjIx, prj in ipairs(sln.projects) do
if (prj.name:lower() == strTest) then
return true;
end
end
return false;
end
--
-- Copies the field from dstCfg to srcCfg.
--
local function copydependentfield(srcCfg, dstCfg, strSrcField)
local srcField = premake.fields[strSrcField];
local strDstField = strSrcField;
if type(srcCfg[strSrcField]) == "table" then
--handle paths.
if (srcField.kind == "dirlist" or srcField.kind == "filelist") and
(not nofixup[strSrcField]) then
for i,p in ipairs(srcCfg[strSrcField]) do
table.insert(dstCfg[strDstField],
path.rebase(p, srcCfg.project.location, dstCfg.project.location))
end
else
if(strSrcField == "links") then
for i,p in ipairs(srcCfg[strSrcField]) do
if(not isnameofproj(dstCfg, p)) then
table.insert(dstCfg[strDstField], p)
else
printf("Failed to copy '%s' from proj '%s'.",
p, srcCfg.project.name);
end
end
else
for i,p in ipairs(srcCfg[strSrcField]) do
table.insert(dstCfg[strDstField], p)
end
end
end
else
if(srcField.kind == "path" and (not nofixup[strSrcField])) then
dstCfg[strDstField] = path.rebase(srcCfg[strSrcField],
prj.location, dstCfg.project.location);
else
dstCfg[strDstField] = srcCfg[strSrcField];
end
end
end
--
-- This function will take the list of project entries and apply their usage project data
-- to the given configuration. It will copy compiling information for the projects that are
-- not listed as linkage-only. It will copy the linking information for projects only if
-- the source project is not a static library. It won't copy linking information
-- if the project is in this solution; instead it will add that project to the configuration's
-- links field, expecting that Premake will handle the rest.
--
local function copyusagedata(cfg, cfgname, linkToProjs)
local myPrj = cfg.project;
local bIsStaticLib = (getCfgKind(cfg) == "StaticLib");
for prjName, prjEntry in pairs(linkToProjs) do
local srcPrj = prjEntry.usageProj;
local srcCfg = srcPrj.__configs[cfgname];
for name, field in pairs(premake.fields) do
if(srcCfg[name]) then
if(field.usagecopy) then
if(not prjEntry.bLinkageOnly) then
copydependentfield(srcCfg, cfg, name)
end
elseif(field.linkagecopy) then
--Copy the linkage data if we're building a non-static thing
--and this is a pure usage project. If it's not pure-usage, then
--we will simply put the project's name in the links field later.
if((not bIsStaticLib) and (not prjEntry.proj)) then
copydependentfield(srcCfg, cfg, name)
end
end
end
end
if((not bIsStaticLib) and prjEntry.proj) then
printf("Adding direct link to project '%s' from project '%s'",
prjEntry.proj.name, getCfgKind(cfg));
table.insert(cfg.links, prjEntry.proj.name);
end
end
end
--
-- Takes the configuration information stored in solution->project->block
@ -453,6 +638,44 @@
end
end
--This loop finds the projects that a configuration is connected to
--via its "uses" field. It will then copy any usage project information from that
--usage project to the configuration in question.
for sln in premake.solution.each() do
for prjIx, prj in ipairs(sln.projects) do
if(not prj.usage) then
for cfgname, cfg in pairs(prj.__configs) do
printf("prj '%s', cfg '%s'", prj.name, cfgname);
printf("before:");
for _, linkName in ipairs(cfg.links) do
printf("\t link to '%s'.", linkName)
end
local usesPrjs = getprojectsconnections(cfg, cfgname);
copyusagedata(cfg, cfgname, usesPrjs)
printf("after:");
for _, linkName in ipairs(cfg.links) do
printf("link to '%s'", linkName)
end
end
end
end
end
-- Remove all usage projects.
for sln in premake.solution.each() do
local removeList = {};
for index, prj in ipairs(sln.projects) do
if(prj.usage) then
table.insert(removeList, 1, index); --Add in reverse order.
end
end
for _, index in ipairs(removeList) do
table.remove(sln.projects, index);
end
end
-- assign unique object directories to each configuration
builduniquedirs()