Init repo

src/build_tool/build_tool_main.cpp

@@ -0,0 +1,90 @@
+#include "library.cpp"
+
+int main(int argument_count, char **arguments) {
+    MA_InitScratch();
+    OS_MakeDir(S8_Lit("build"));
+    OS_SetWorkingDir(S8_Lit("build"));
+    S8_String working_dir = OS_GetWorkingDir(Perm);
+    IO_Printf("WORKING DIR: %.*s\n", S8_Expand(working_dir));
+
+    Array<S8_String> cmd = CMD_Make(arguments, argument_count);
+    S8_String        cc  = CMD_Get(cmd, "cc", IF_WINDOWS("cl") IF_MAC("clang") IF_LINUX("gcc"));
+
+    // Search for build file in the project directory
+    S8_String build_file = {};
+    {
+        for (OS_FileIter it = OS_IterateFiles(Perm, S8_Lit("..")); OS_IsValid(it); OS_Advance(&it)) {
+            if (S8_Seek(it.filename, S8_Lit("build_file.c"), S8_IgnoreCase)) {
+                build_file = it.absolute_path;
+            }
+        }
+
+        if (build_file.str == 0) {
+            IO_Printf("Couldnt find build file in current dir: %.*s, exiting ... \n", S8_Expand(working_dir));
+            IO_Printf("- Proper build file contains 'build_file.c' in it's name\n");
+            IO_Printf("- Alternative compiler can be chosen like this: bld cc=clang\n");
+            return 0;
+        }
+    }
+
+    SRC_InitCache(Perm, "build_tool.cache");
+    S8_String name_no_ext = S8_GetNameNoExt(build_file);
+    S8_String exe_name    = S8_Format(Perm, "%.*s.exe", S8_Expand(name_no_ext));
+
+    // Compile the build file only if code changed
+    if (SRC_WasModified(build_file, exe_name)) {
+        double time   = OS_GetTime();
+        int    result = 0;
+        if (cc == "cl") {
+            Array<S8_String> flags = {MA_GetAllocator(Perm)};
+            flags += "-nologo -Zi";
+            flags += "-WX -W3 -wd4200 -diagnostics:column";
+            flags += Fmt("/Fe:%.*s /Fd:%.*s.pdb", S8_Expand(exe_name), S8_Expand(exe_name));
+            result = Run(cc + build_file + flags);
+        } else if (cc == "clang") {
+            Array<S8_String> flags = {MA_GetAllocator(Perm)};
+            cc                     = "clang++";
+
+            flags += "-std=c++11 -g";
+            flags += "-fdiagnostics-absolute-paths";
+            flags += "-Wno-writable-strings";
+            flags += "-lm";
+            flags += Fmt("-o %.*s", S8_Expand(exe_name));
+            result = Run(cc + build_file + flags);
+        } else {
+            IO_Assert(cc == "gcc");
+            cc = "g++";
+
+            Array<S8_String> flags = {MA_GetAllocator(Perm)};
+            flags += "-std=c++11 -g";
+            flags += "-Wno-write-strings";
+            flags += "-lm";
+            flags += Fmt("-o %.*s", S8_Expand(exe_name));
+            result = Run(cc + build_file + flags);
+        }
+
+        if (result != 0) {
+            IO_Printf("FAILED compilation of the build file!\n");
+            OS_DeleteFile("build_tool.cache");
+            return 1;
+        }
+        time = OS_GetTime() - time;
+        IO_Printf("TIME Build file compilation: %f\n", time);
+    }
+
+    // Run the build file
+    double time = OS_GetTime();
+    if (build_file.str) {
+        exe_name   = OS_GetAbsolutePath(Perm, exe_name);
+        int result = Run(exe_name + cmd);
+        if (result != 0) {
+            IO_Printf("FAILED execution of the build file, deleting cache!\n");
+            OS_DeleteFile("build_tool.cache");
+            return 1;
+        }
+    }
+
+    SRC_SaveCache();
+    time = OS_GetTime() - time;
+    IO_Printf("TIME total build file execution: %f\n", time);
+}