Add qbs project files for some clang-related tools and plugins

Change-Id: I4882be50c6b007715f7b281f95d111abc5cda62a
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Jake Petroules <jake.petroules@qt.io>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

2 files changed, 92 insertions, 0 deletions

diff --git a/qbs/modules/libclang/functions.js b/qbs/modules/libclang/functions.js
index 17d1bc4f9a..fe61da62dd 100644
--- a/qbs/modules/libclang/functions.js
+++ b/qbs/modules/libclang/functions.js
@@ -14,6 +14,11 @@ function readOutput(executable, args)
     return output;
 }
 
+function readListOutput(executable, args)
+{
+    return readOutput(executable, args).split(/\s+/);
+}
+
 function isSuitableLLVMConfig(llvmConfigCandidate, qtcFunctions)
 {
     if (File.exists(llvmConfigCandidate)) {
@@ -75,3 +80,66 @@ 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"]);
+}
diff --git a/qbs/modules/libclang/libclang.qbs b/qbs/modules/libclang/libclang.qbs
index 871b1e0f69..402e492217 100644
--- a/qbs/modules/libclang/libclang.qbs
+++ b/qbs/modules/libclang/libclang.qbs
@@ -1,5 +1,7 @@
 import qbs
+import qbs.Environment
 import qbs.File
+import qbs.Utilities
 import QtcFunctions
 import "functions.js" as ClangFunctions
 
@@ -12,6 +14,11 @@ Module {
         property string llvmIncludeDir
         property string llvmLibDir
         property stringList llvmLibs
+        property stringList llvmToolingLibs
+        property stringList llvmToolingDefines
+        property stringList llvmToolingIncludes
+        property stringList llvmToolingCxxFlags
+        property string llvmBuildMode
 
         configure: {
             llvmConfig = ClangFunctions.llvmConfig(qbs, QtcFunctions);
@@ -19,6 +26,12 @@ Module {
             llvmIncludeDir = ClangFunctions.includeDir(llvmConfig);
             llvmLibDir = ClangFunctions.libDir(llvmConfig);
             llvmLibs = ClangFunctions.libraries(qbs.targetOS);
+            llvmToolingLibs = ClangFunctions.toolingLibs(llvmConfig, qbs.targetOS);
+            llvmBuildMode = ClangFunctions.buildMode(llvmConfig);
+            var toolingParams = ClangFunctions.toolingParameters(llvmConfig);
+            llvmToolingDefines = toolingParams.defines;
+            llvmToolingIncludes = toolingParams.includes;
+            llvmToolingCxxFlags = toolingParams.cxxFlags;
             found = llvmConfig && File.exists(llvmIncludeDir.concat("/clang-c/Index.h"));
         }
     }
@@ -28,6 +41,17 @@ Module {
     property string llvmIncludeDir: clangProbe.llvmIncludeDir
     property string llvmLibDir: clangProbe.llvmLibDir
     property stringList llvmLibs: clangProbe.llvmLibs
+    property stringList llvmToolingLibs: clangProbe.llvmToolingLibs
+    property string llvmBuildMode: clangProbe.llvmBuildMode
+    property bool llvmBuildModeMatches: qbs.buildVariant === llvmBuildMode.toLowerCase()
+    property stringList llvmToolingDefines: clangProbe.llvmToolingDefines
+    property stringList llvmToolingIncludes: clangProbe.llvmToolingIncludes.filter(function(incl) {
+        return incl != llvmIncludeDir;
+    })
+    property stringList llvmToolingCxxFlags: clangProbe.llvmToolingCxxFlags
+    property bool toolingEnabled: !Environment.getEnv("QTC_NO_CLANG_LIBTOOLING")
+                                  && Utilities.versionCompare(llvmVersion, "3.9") > 0
+                                  && Utilities.versionCompare(llvmVersion, "4") < 0
 
     validate: {
         if (!clangProbe.found) {