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var Environment = require("qbs.Environment")
var File = require("qbs.File")
var FileInfo = require("qbs.FileInfo")
var MinimumLLVMVersion = "6.0.0" // CLANG-UPGRADE-CHECK: Adapt minimum version numbers.
var Process = require("qbs.Process")
function readOutput(executable, args)
{
var p = new Process();
var output = "";
if (p.exec(executable, args, false) !== -1)
output = p.readStdOut().trim(); // Trailing newline.
p.close();
return output;
}
function readListOutput(executable, args)
{
var list = readOutput(executable, args).split(/\s+/);
if (!list[list.length - 1])
list.pop();
return list;
}
function isSuitableLLVMConfig(llvmConfigCandidate, qtcFunctions)
{
if (File.exists(llvmConfigCandidate)) {
var candidateVersion = version(llvmConfigCandidate);
if (candidateVersion && candidateVersion.length)
return qtcFunctions.versionIsAtLeast(candidateVersion, MinimumLLVMVersion)
}
return false;
}
function llvmConfig(hostOS, qtcFunctions)
{
var llvmInstallDirFromEnv = Environment.getEnv("LLVM_INSTALL_DIR")
var llvmConfigVariants = [
"llvm-config", "llvm-config-6.0", "llvm-config-7.0", "llvm-config-8.0", "llvm-config-9.0"
];
// Prefer llvm-config* from LLVM_INSTALL_DIR
var suffix = hostOS.contains("windows") ? ".exe" : "";
if (llvmInstallDirFromEnv) {
for (var i = 0; i < llvmConfigVariants.length; ++i) {
var variant = llvmInstallDirFromEnv + "/bin/" + llvmConfigVariants[i] + suffix;
if (isSuitableLLVMConfig(variant, qtcFunctions))
return variant;
}
}
// Find llvm-config* in PATH
var pathListString = Environment.getEnv("PATH");
var separator = hostOS.contains("windows") ? ";" : ":";
var pathList = pathListString.split(separator);
for (var i = 0; i < llvmConfigVariants.length; ++i) {
for (var j = 0; j < pathList.length; ++j) {
var variant = pathList[j] + "/" + llvmConfigVariants[i] + suffix;
if (isSuitableLLVMConfig(variant, qtcFunctions))
return variant;
}
}
return undefined;
}
function includeDir(llvmConfig)
{
return FileInfo.fromNativeSeparators(readOutput(llvmConfig, ["--includedir"]));
}
function libDir(llvmConfig)
{
return FileInfo.fromNativeSeparators(readOutput(llvmConfig, ["--libdir"]));
}
function binDir(llvmConfig)
{
return FileInfo.fromNativeSeparators(readOutput(llvmConfig, ["--bindir"]));
}
function version(llvmConfig)
{
return readOutput(llvmConfig, ["--version"]).replace(/(\d+\.\d+\.\d+).*/, "$1")
}
function libraries(targetOS)
{
return targetOS.contains("windows") ? ["libclang.lib", "advapi32.lib", "shell32.lib"] : ["clang"]
}
function toolingLibs(llvmConfig, targetOS)
{
var fixedList = [
"clangTooling",
"clangFrontend",
"clangIndex",
"clangParse",
"clangSerialization",
"clangSema",
"clangEdit",
"clangAnalysis",
"clangDriver",
"clangDynamicASTMatchers",
"clangASTMatchers",
"clangToolingCore",
"clangAST",
"clangLex",
"clangBasic",
];
if (targetOS.contains("windows"))
fixedList.push("version");
var dynamicList = readListOutput(llvmConfig, ["--libs"])
.concat(readListOutput(llvmConfig, ["--system-libs"]));
return fixedList.concat(dynamicList.map(function(s) {
return s.startsWith("-l") ? s.slice(2) : s;
}));
}
function toolingParameters(llvmConfig)
{
var params = {
defines: [],
includes: [],
cxxFlags: [],
};
var allCxxFlags = readListOutput(llvmConfig, ["--cxxflags"]);
for (var i = 0; i < allCxxFlags.length; ++i) {
var flag = allCxxFlags[i];
if (flag.startsWith("-D") || flag.startsWith("/D")) {
params.defines.push(flag.slice(2));
continue;
}
if (flag.startsWith("-I") || flag.startsWith("/I")) {
params.includes.push(flag.slice(2));
continue;
}
if (!flag.startsWith("-std") && !flag.startsWith("-O") && !flag.startsWith("/O")
&& !flag.startsWith("-march")
&& !flag.startsWith("/EH") && flag !== "-fno-exceptions"
&& flag !== "/W4" && flag !== "-Werror=date-time"
&& flag !== "-Wcovered-switch-default" && flag !== "-fPIC" && flag !== "-pedantic"
&& flag !== "-Wstring-conversion" && flag !== "-gsplit-dwarf") {
params.cxxFlags.push(flag);
}
}
return params;
}
function buildMode(llvmConfig)
{
return readOutput(llvmConfig, ["--build-mode"]);
}
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