added compile_commands.json

fpc/Makefile

@@ -4,10 +4,16 @@ FPC_FILES := main.cpp library/runner.cpp library/helper.cpp library/c.cpp librar
 CC = clang
 OUTPUT_DIR = fpc 
 
-install:
+recompile:
+	./fpc build
+	mv fpc_temp fpc
+	cp fpc ../build/tools/fpc
 
 ../build/tools:
 	mkdir -p ../build/tools
 
-minimal: $(TIER0_FILES) $(TIER1_FILES) $(FPC_FILES) ../build/tools
-	$(CC) -g -rdynamic $(TIER0_FILES) $(TIER1_FILES) $(FPC_FILES) -I../public -Ipublic -lc -lstdc++ -o $(OUTPUT_DIR) 
+install: $(TIER0_FILES) $(TIER1_FILES) $(FPC_FILES) ../build/tools
+	$(CC) -g -rdynamic $(TIER0_FILES) $(TIER1_FILES) $(FPC_FILES) -I../public -Ipublic -lc -lstdc++ -o $(OUTPUT_DIR)
+	./fpc build
+	mv fpc_temp fpc
+	cp fpc ../build/tools/fpc

fpc/build.cpp

@@ -1,7 +1,6 @@
-#include "public/c.h"
-#include "public/ld.h"
-#include "public/c.h"
-#include "public/helper.h"
+#include "c.h"
+#include "ld.h"
+#include "helper.h"
 #include "tier0/platform.h"
 #include "signal.h"
 
@@ -37,9 +36,10 @@ int build_fpc()
 	compileProject.includeDirectories = g_IncludeDirectories;
 	ldProject = compileProject.Compile();
 
-	ldProject.Link();
+	CUtlString outputProject = ldProject.Link();
 
 	IFileSystem2::MakeDirectory("../build/tools");
+	IFileSystem2::CopyFile("fpc_temp", outputProject);
 
 	return 0;
 };

fpc/library/c.cpp

@@ -3,6 +3,7 @@
 #include "helper.h"
 #include "tier1/utlvector.h"
 #include "libgen.h"
+#include <cstdio>
 
 struct ClangFile_t
 {
@@ -54,9 +55,33 @@ CLDProject CCProject::Compile()
 		proj.objects.AppendTail((CObject){szOutputFile});
 
 		ClangFile_t cfile = {};
-		cfile.m_szName = m_szName;
+		cfile.m_szName = file;
 		cfile.m_szArguments = args;
 		g_clangFiles.AppendTail(cfile);
 	}
 	return proj;
 }
+
+void CCProject::GenerateCompileCommands()
+{
+	FILE* f = V_fopen("compile_commands.json", "w");
+	V_fprintf(f, "[\n");
+	uint32_t i = 0;
+	for (auto &file: g_clangFiles)
+	{
+		V_fprintf(f, "\t{\n");
+		V_fprintf(f, "\t\t\"arguments\": [\n");
+		V_fprintf(f, "\t\t\t\"clang\",\n");
+		for (auto &arg: file.m_szArguments)
+			V_fprintf(f, "\t\t\t\"%s\",\n",arg.GetString());
+	
+		V_fseek(f, -2, SEEK_CUR);
+		V_fprintf(f, "\n\t\t],\n");
+		V_fprintf(f, "\t\t\"file\": \"%s\",\n", file.m_szName.GetString());
+		V_fprintf(f, "\t\t\"directory\": \"%s\"\n", IFileSystem2::OwnDirectory());
+		V_fprintf(f, "\t},\n");
+	};
+	V_fseek(f, -2, SEEK_CUR);
+	V_fprintf(f, "\n]\n");
+	V_fclose(f);
+};

fpc/library/helper.cpp

@@ -23,11 +23,25 @@ unsigned int CProject::GenerateProjectHash( void )
 
 static char path[1024];
 static ssize_t pathSize = readlink("/proc/self/exe", path, sizeof(path) - 1);
-static char* pathDir = dirname(path);
+char *szPathDir = dirname(path);
+char *szBuildDir = 0;
 char *IFileSystem2::OwnDirectory()
 {
-	return pathDir;
+	return szPathDir;
 };
+char *IFileSystem2::BuildDirectory()
+{
+	return szBuildDir;
+};
+	
+void IFileSystem2::CopyFile( const char *szDestination, const char *szOrigin )
+{
+	CUtlVector<CUtlString> args = {
+		CUtlString(szOrigin),
+		CUtlString(szDestination),
+	};
+	IRunner::Run("cp", args);
+}
 
 void IFileSystem2::MakeDirectory( const char *psz )
 {

fpc/main.cpp

@@ -1,3 +1,4 @@
+#include "public/c.h"
 #include "public/helper.h"
 #include "public/ld.h"
 #include "tier0/platform.h"
@@ -5,13 +6,18 @@
 #include "c.h"
 #include "tier1/utlvector.h"
 #include "signal.h"
+#include "libgen.h"
 
+CUtlString owndir;
 int build()
 {
+
+	extern char *szBuildDir;
+
 	CCProject compileScriptProject = {};
 	compileScriptProject.m_szName = "build";
 	compileScriptProject.files = {"build.cpp"};
-	compileScriptProject.includeDirectories = {"public","../public"};
+	compileScriptProject.includeDirectories = {CUtlString("%s/public",IFileSystem2::OwnDirectory()),CUtlString("%s/public", IFileSystem2::BuildDirectory()), CUtlString("%s/../public",IFileSystem2::OwnDirectory()),CUtlString("%s/../public", IFileSystem2::BuildDirectory())};
 	compileScriptProject.bFPIC = true;
 	CLDProject linkScriptProject = compileScriptProject.Compile();
 	linkScriptProject.linkType = ELINK_DYNAMIC_LIBRARY;
@@ -22,6 +28,7 @@ int build()
 		build->m_pMainFn();
 	};
 	Plat_UnloadLibrary(scriptDLL);
+	CCProject::GenerateCompileCommands();
 
 	return 0;
 };
@@ -42,7 +49,28 @@ void IEngine_Signal(int sig)
 };
 
 int main(int c, char **v)
-{
+{	
+	CUtlString buildcppDir = IFileSystem2::OwnDirectory();
+	owndir = buildcppDir;
+	char *szBuildcppDir = buildcppDir.GetString();
+findbuild:
+	FILE* file = V_fopen("build.cpp", "rb");
+	if (!file)
+	{
+		dirname(szBuildcppDir);
+		if (buildcppDir=="/")
+		{
+			V_printf("build.cpp not found\n");
+			return 0;
+		}
+		chdir(szBuildcppDir);
+		goto findbuild;
+	} else {
+		V_fclose(file);
+	}
+	extern char *szBuildDir;
+	szBuildDir = szBuildcppDir;
+
 	#ifdef __linux
 	signal(SIGHUP, IEngine_Signal);
 	signal(SIGINT, IEngine_Signal);
@@ -54,7 +82,6 @@ int main(int c, char **v)
 	signal(SIGFPE, IEngine_Signal);
 	signal(SIGSEGV, IEngine_Signal);
 	signal(SIGTERM, IEngine_Signal);
-	V_printf("cool\n");
 	#endif
 	ICommandLine::CreateCommandLine(c, v);
 	if (ICommandLine::CheckParam("build"))

fpc/public/c.h

@@ -24,6 +24,7 @@ public:
 	bool bFPIE;
 	bool bFPIC;
 	CLDProject Compile();
+	static void GenerateCompileCommands();
 };
 
 #endif

fpc/public/helper.h

@@ -16,6 +16,7 @@ interface IFileSystem2
 {
 public:
 	static char *OwnDirectory();
+	static char *BuildDirectory();
 	static void MakeDirectory( const char *psz );
 	static void CopyFile( const char *szDestination, const char *szOrigin );
 	static void CopyDirectory( const char *szDestination, const char *szOrigin );