fix issue #122, add option to build yue tool without file watcher function.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/yue.cpp b/src/yue.cpp
index 95dd920..3a61271 100644
--- a/src/yue.cpp
+++ b/src/yue.cpp
@@ -24,7 +24,9 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
 using namespace std::string_view_literals;
 using namespace std::string_literals;
 using namespace std::chrono_literals;
+#ifndef YUE_NO_WATCHER
 #include "efsw/efsw.hpp"
+#endif // YUE_NO_WATCHER
 #include "ghc/fs_std.hpp"
 #include "linenoise.hpp"
 
@@ -140,6 +142,7 @@ fs::path getTargetFileDirty(const fs::path& file, const fs::path& workPath, cons
         return fs::path();
 }
 
+#ifndef YUE_NO_WATCHER
 static std::string compileFile(const fs::path& file, yue::YueConfig conf, const fs::path& workPath, const fs::path& targetPath) {
         auto srcFile = fs::absolute(file);
         auto targetFile = getTargetFileDirty(srcFile, workPath, targetPath);
@@ -234,6 +237,7 @@ public:
         fs::path workPath;
         fs::path targetPath;
 };
+#endif // YUE_NO_WATCHER
 
 int main(int narg, const char** args) {
         const char* help =
@@ -250,7 +254,9 @@ int main(int narg, const char** args) {
                 "   -b       Dump compile time (doesn't write output)\n"
                 "   -g       Dump global variables used in NAME LINE COLUMN\n"
                 "   -l       Write line numbers from source codes\n"
+#ifndef YUE_NO_WATCHER
                 "   -w path  Watch changes and compile every file under directory\n"
+#endif // YUE_NO_WATCHER
                 "   -v       Print version\n"
 #ifndef YUE_COMPILER_ONLY
                 "   --       Read from standard in, print to standard out\n"
@@ -550,7 +556,12 @@ int main(int narg, const char** args) {
                                 return 1;
                         }
                 } else if (arg == "-w"sv) {
+#ifndef YUE_NO_WATCHER
                         watchFiles = true;
+#else
+                        std::cout << "Error: -w is not supported\n"sv;
+                        return 1;
+#endif // YUE_NO_WATCHER 
                 } else if (arg.size() > 2 && arg.substr(0, 2) == "--"sv && arg.substr(2, 1) != "-"sv) {
                         auto argStr = arg.substr(2);
                         yue::Utils::trim(argStr);
@@ -593,6 +604,7 @@ int main(int narg, const char** args) {
                 std::cout << "Error: -o can not be used with multiple input files\n"sv;
                 return 1;
         }
+#ifndef YUE_NO_WATCHER
         if (watchFiles) {
                 auto fullWorkPath = fs::absolute(fs::path(workPath)).string();
                 auto fullTargetPath = fullWorkPath;
@@ -624,6 +636,7 @@ int main(int narg, const char** args) {
                 }
                 return 0;
         }
+#endif // YUE_NO_WATCHER
         std::list<std::future<std::tuple<int, std::string, std::string>>> results;
         for (const auto& file : files) {
                 auto task = std::async(std::launch::async, [=]() {