compiler: refactoring - extract cheaders.v and live.v from main.v .
Delyan Angelov
Alexander Medvednikov
parent
cf23c289ec
commit
9ff8793666
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@ -0,0 +1,108 @@
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module main
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const (
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CommonCHeaders = '
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#include <stdio.h> // TODO remove all these includes, define all function signatures and types manually
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#include <stdlib.h>
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#include <signal.h>
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#include <stdarg.h> // for va_list
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#include <inttypes.h> // int64_t etc
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#include <string.h> // memcpy
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#define STRUCT_DEFAULT_VALUE {}
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#define EMPTY_STRUCT_DECLARATION
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#define EMPTY_STRUCT_INIT
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#define OPTION_CAST(x) (x)
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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// must be included after <windows.h>
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#include <shellapi.h>
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#include <io.h> // _waccess
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#include <fcntl.h> // _O_U8TEXT
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#include <direct.h> // _wgetcwd
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//#include <WinSock2.h>
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#ifdef _MSC_VER
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// On MSVC these are the same (as long as /volatile:ms is passed)
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#define _Atomic volatile
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// MSVC can\'t parse some things properly
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#undef STRUCT_DEFAULT_VALUE
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#define STRUCT_DEFAULT_VALUE {0}
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#undef EMPTY_STRUCT_DECLARATION
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#define EMPTY_STRUCT_DECLARATION void *____dummy_variable;
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#undef EMPTY_STRUCT_INIT
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#define EMPTY_STRUCT_INIT 0
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#undef OPTION_CAST
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#define OPTION_CAST(x)
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#endif
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void pthread_mutex_lock(HANDLE *m) {
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WaitForSingleObject(*m, INFINITE);
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}
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void pthread_mutex_unlock(HANDLE *m) {
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ReleaseMutex(*m);
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}
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#else
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#include <pthread.h>
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#endif
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//================================== TYPEDEFS ================================*/
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typedef unsigned char byte;
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typedef unsigned int uint;
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typedef int64_t i64;
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typedef int32_t i32;
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typedef int16_t i16;
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typedef int8_t i8;
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typedef uint64_t u64;
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typedef uint32_t u32;
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typedef uint16_t u16;
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typedef uint8_t u8;
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typedef uint32_t rune;
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typedef float f32;
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typedef double f64;
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typedef unsigned char* byteptr;
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typedef int* intptr;
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typedef void* voidptr;
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typedef struct array array;
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typedef struct map map;
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typedef array array_string;
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typedef array array_int;
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typedef array array_byte;
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typedef array array_uint;
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typedef array array_float;
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typedef array array_f32;
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typedef array array_f64;
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typedef map map_int;
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typedef map map_string;
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#ifndef bool
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typedef int bool;
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#define true 1
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#define false 0
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#endif
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//============================== HELPER C MACROS =============================*/
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#define _PUSH(arr, val, tmp, tmp_typ) {tmp_typ tmp = (val); array__push(arr, &tmp);}
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#define _PUSH_MANY(arr, val, tmp, tmp_typ) {tmp_typ tmp = (val); array__push_many(arr, tmp.data, tmp.len);}
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#define _IN(typ, val, arr) array_##typ##_contains(arr, val)
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#define _IN_MAP(val, m) map__exists(m, val)
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#define ALLOC_INIT(type, ...) (type *)memdup((type[]){ __VA_ARGS__ }, sizeof(type))
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//================================== GLOBALS =================================*/
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//int V_ZERO = 0;
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byteptr g_str_buf;
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int load_so(byteptr);
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void reload_so();
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void init_consts();
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'
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)
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@ -0,0 +1,182 @@
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module main
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import os
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fn (v mut V) generate_hotcode_reloading_compiler_flags() []string {
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mut a := []string
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if v.pref.is_live || v.pref.is_so {
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// See 'man dlopen', and test running a GUI program compiled with -live
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if (v.os == .linux || os.user_os() == 'linux'){
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a << '-rdynamic'
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}
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if (v.os == .mac || os.user_os() == 'mac'){
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a << '-flat_namespace'
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}
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}
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return a
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}
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fn (v mut V) generate_hotcode_reloading_declarations() {
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mut cgen := v.cgen
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if v.os != .windows && v.os != .msvc {
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if v.pref.is_so {
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cgen.genln('pthread_mutex_t live_fn_mutex;')
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}
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if v.pref.is_live {
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cgen.genln('pthread_mutex_t live_fn_mutex = PTHREAD_MUTEX_INITIALIZER;')
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}
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} else {
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if v.pref.is_so {
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cgen.genln('HANDLE live_fn_mutex;')
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}
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if v.pref.is_live {
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cgen.genln('HANDLE live_fn_mutex = 0;')
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}
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}
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}
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fn (v mut V) generate_hotcode_reloading_code() {
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mut cgen := v.cgen
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// Hot code reloading
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if v.pref.is_live {
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file := v.dir
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file_base := v.dir.replace('.v', '')
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so_name := file_base + '.so'
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// Need to build .so file before building the live application
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// The live app needs to load this .so file on initialization.
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mut vexe := os.args[0]
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if os.user_os() == 'windows' {
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vexe = vexe.replace('\\', '\\\\')
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}
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mut msvc := ''
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if v.os == .msvc {
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msvc = '-os msvc'
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}
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mut debug := ''
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if v.pref.is_debug {
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debug = '-debug'
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}
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os.system('$vexe $msvc $debug -o $file_base -shared $file')
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cgen.genln('
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void lfnmutex_print(char *s){
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if(0){
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fflush(stderr);
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fprintf(stderr,">> live_fn_mutex: %p | %s\\n", &live_fn_mutex, s);
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fflush(stderr);
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}
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}
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')
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if v.os != .windows && v.os != .msvc {
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cgen.genln('
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#include <dlfcn.h>
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void* live_lib=0;
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int load_so(byteptr path) {
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char cpath[1024];
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sprintf(cpath,"./%s", path);
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//printf("load_so %s\\n", cpath);
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if (live_lib) dlclose(live_lib);
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live_lib = dlopen(cpath, RTLD_LAZY);
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if (!live_lib) {
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puts("open failed");
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exit(1);
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return 0;
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}
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')
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for so_fn in cgen.so_fns {
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cgen.genln('$so_fn = dlsym(live_lib, "$so_fn"); ')
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}
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}
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else {
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cgen.genln('
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void* live_lib=0;
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int load_so(byteptr path) {
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char cpath[1024];
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sprintf(cpath, "./%s", path);
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if (live_lib) FreeLibrary(live_lib);
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live_lib = LoadLibraryA(cpath);
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if (!live_lib) {
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puts("open failed");
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exit(1);
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return 0;
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}
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')
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for so_fn in cgen.so_fns {
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cgen.genln('$so_fn = (void *)GetProcAddress(live_lib, "$so_fn"); ')
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}
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}
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cgen.genln('return 1;
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}
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int _live_reloads = 0;
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void reload_so() {
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char new_so_base[1024];
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char new_so_name[1024];
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char compile_cmd[1024];
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int last = os__file_last_mod_unix(tos2("$file"));
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while (1) {
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// TODO use inotify
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int now = os__file_last_mod_unix(tos2("$file"));
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if (now != last) {
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last = now;
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_live_reloads++;
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//v -o bounce -shared bounce.v
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sprintf(new_so_base, ".tmp.%d.${file_base}", _live_reloads);
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#ifdef _WIN32
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// We have to make this directory becuase windows WILL NOT
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// do it for us
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os__mkdir(string_all_before_last(tos2(new_so_base), tos2("/")));
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#endif
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#ifdef _MSC_VER
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sprintf(new_so_name, "%s.dll", new_so_base);
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#else
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sprintf(new_so_name, "%s.so", new_so_base);
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#endif
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sprintf(compile_cmd, "$vexe $msvc -o %s -shared $file", new_so_base);
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os__system(tos2(compile_cmd));
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if( !os__file_exists(tos2(new_so_name)) ) {
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fprintf(stderr, "Errors while compiling $file\\n");
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continue;
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}
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lfnmutex_print("reload_so locking...");
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pthread_mutex_lock(&live_fn_mutex);
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lfnmutex_print("reload_so locked");
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live_lib = 0; // hack: force skipping dlclose/1, the code may be still used...
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load_so(new_so_name);
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#ifndef _WIN32
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unlink(new_so_name); // removing the .so file from the filesystem after dlopen-ing it is safe, since it will still be mapped in memory.
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#else
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_unlink(new_so_name);
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#endif
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//if(0 == rename(new_so_name, "${so_name}")){
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// load_so("${so_name}");
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//}
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lfnmutex_print("reload_so unlocking...");
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pthread_mutex_unlock(&live_fn_mutex);
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lfnmutex_print("reload_so unlocked");
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}
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time__sleep_ms(100);
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}
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}
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' )
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}
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if v.pref.is_so {
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cgen.genln(' int load_so(byteptr path) { return 0; }')
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}
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}
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294
compiler/main.v
294
compiler/main.v
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@ -243,122 +243,10 @@ fn (v mut V) compile() {
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if v.pref.is_debug {
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cgen.genln('#define VDEBUG (1) ')
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}
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cgen.genln('
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#include <stdio.h> // TODO remove all these includes, define all function signatures and types manually
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#include <stdlib.h>
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#include <signal.h>
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#include <stdarg.h> // for va_list
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#include <inttypes.h> // int64_t etc
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#include <string.h> // memcpy
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#define STRUCT_DEFAULT_VALUE {}
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#define EMPTY_STRUCT_DECLARATION
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#define EMPTY_STRUCT_INIT
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#define OPTION_CAST(x) (x)
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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// must be included after <windows.h>
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#include <shellapi.h>
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#include <io.h> // _waccess
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#include <fcntl.h> // _O_U8TEXT
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#include <direct.h> // _wgetcwd
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//#include <WinSock2.h>
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#ifdef _MSC_VER
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// On MSVC these are the same (as long as /volatile:ms is passed)
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#define _Atomic volatile
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// MSVC can\'t parse some things properly
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#undef STRUCT_DEFAULT_VALUE
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#define STRUCT_DEFAULT_VALUE {0}
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#undef EMPTY_STRUCT_DECLARATION
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#define EMPTY_STRUCT_DECLARATION void *____dummy_variable;
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#undef EMPTY_STRUCT_INIT
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#define EMPTY_STRUCT_INIT 0
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#undef OPTION_CAST
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#define OPTION_CAST(x)
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#endif
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void pthread_mutex_lock(HANDLE *m) {
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WaitForSingleObject(*m, INFINITE);
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}
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void pthread_mutex_unlock(HANDLE *m) {
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ReleaseMutex(*m);
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}
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#else
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#include <pthread.h>
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#endif
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//================================== TYPEDEFS ================================*/
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typedef unsigned char byte;
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typedef unsigned int uint;
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typedef int64_t i64;
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typedef int32_t i32;
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typedef int16_t i16;
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typedef int8_t i8;
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typedef uint64_t u64;
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typedef uint32_t u32;
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typedef uint16_t u16;
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typedef uint8_t u8;
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typedef uint32_t rune;
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typedef float f32;
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typedef double f64;
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typedef unsigned char* byteptr;
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typedef int* intptr;
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typedef void* voidptr;
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typedef struct array array;
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typedef struct map map;
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typedef array array_string;
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typedef array array_int;
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typedef array array_byte;
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typedef array array_uint;
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typedef array array_float;
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typedef array array_f32;
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typedef array array_f64;
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typedef map map_int;
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typedef map map_string;
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#ifndef bool
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typedef int bool;
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#define true 1
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#define false 0
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#endif
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//============================== HELPER C MACROS =============================*/
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#define _PUSH(arr, val, tmp, tmp_typ) {tmp_typ tmp = (val); array__push(arr, &tmp);}
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#define _PUSH_MANY(arr, val, tmp, tmp_typ) {tmp_typ tmp = (val); array__push_many(arr, tmp.data, tmp.len);}
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#define _IN(typ, val, arr) array_##typ##_contains(arr, val)
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#define _IN_MAP(val, m) map__exists(m, val)
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#define ALLOC_INIT(type, ...) (type *)memdup((type[]){ __VA_ARGS__ }, sizeof(type))
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//================================== GLOBALS =================================*/
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//int V_ZERO = 0;
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byteptr g_str_buf;
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int load_so(byteptr);
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void reload_so();
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void init_consts();')
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if v.os != .windows && v.os != .msvc {
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if v.pref.is_so {
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cgen.genln('pthread_mutex_t live_fn_mutex;')
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}
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if v.pref.is_live {
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cgen.genln('pthread_mutex_t live_fn_mutex = PTHREAD_MUTEX_INITIALIZER;')
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}
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} else {
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if v.pref.is_so {
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cgen.genln('HANDLE live_fn_mutex;')
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}
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if v.pref.is_live {
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cgen.genln('HANDLE live_fn_mutex = 0;')
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}
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}
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cgen.genln(CommonCHeaders)
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v.generate_hotcode_reloading_declarations()
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imports_json := v.table.imports.contains('json')
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// TODO remove global UI hack
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@ -422,6 +310,22 @@ void init_consts();')
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}
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dd := d.str()
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cgen.lines.set(defs_pos, dd)// TODO `def.str()` doesn't compile
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v.generate_main()
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v.generate_hotcode_reloading_code()
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cgen.save()
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if v.pref.is_verbose {
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v.log('flags=')
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println(v.table.flags)
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}
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v.cc()
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}
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fn (v mut V) generate_main() {
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mut cgen := v.cgen
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// if v.build_mode in [.default, .embed_vlib] {
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if v.pref.build_mode == .default_mode || v.pref.build_mode == .embed_vlib {
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mut consts_init_body := cgen.consts_init.join_lines()
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@ -477,6 +381,7 @@ string _STR_TMP(const char *fmt, ...) {
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')
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}
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// Make sure the main function exists
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// Obviously we don't need it in libraries
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if v.pref.build_mode != .build {
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@ -496,7 +401,7 @@ string _STR_TMP(const char *fmt, ...) {
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// Generate `main` which calls every single test function
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else if v.pref.is_test {
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cgen.genln('int main() { init_consts();')
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for key, f in v.table.fns {
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for _, f in v.table.fns {
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if f.name.starts_with('test_') {
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cgen.genln('$f.name();')
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}
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@ -504,153 +409,6 @@ string _STR_TMP(const char *fmt, ...) {
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cgen.genln('return g_test_ok == 0; }')
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}
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}
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// Hot code reloading
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if v.pref.is_live {
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file := v.dir
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file_base := v.dir.replace('.v', '')
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so_name := file_base + '.so'
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// Need to build .so file before building the live application
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// The live app needs to load this .so file on initialization.
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mut vexe := os.args[0]
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if os.user_os() == 'windows' {
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vexe = vexe.replace('\\', '\\\\')
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}
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mut msvc := ''
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if v.os == .msvc {
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msvc = '-os msvc'
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}
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mut debug := ''
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if v.pref.is_debug {
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debug = '-debug'
|
||||
}
|
||||
|
||||
os.system('$vexe $msvc $debug -o $file_base -shared $file')
|
||||
cgen.genln('
|
||||
|
||||
void lfnmutex_print(char *s){
|
||||
if(0){
|
||||
fflush(stderr);
|
||||
fprintf(stderr,">> live_fn_mutex: %p | %s\\n", &live_fn_mutex, s);
|
||||
fflush(stderr);
|
||||
}
|
||||
}
|
||||
')
|
||||
|
||||
if v.os != .windows && v.os != .msvc {
|
||||
cgen.genln('
|
||||
#include <dlfcn.h>
|
||||
void* live_lib=0;
|
||||
int load_so(byteptr path) {
|
||||
char cpath[1024];
|
||||
sprintf(cpath,"./%s", path);
|
||||
//printf("load_so %s\\n", cpath);
|
||||
if (live_lib) dlclose(live_lib);
|
||||
live_lib = dlopen(cpath, RTLD_LAZY);
|
||||
if (!live_lib) {
|
||||
puts("open failed");
|
||||
exit(1);
|
||||
return 0;
|
||||
}
|
||||
')
|
||||
for so_fn in cgen.so_fns {
|
||||
cgen.genln('$so_fn = dlsym(live_lib, "$so_fn"); ')
|
||||
}
|
||||
}
|
||||
else {
|
||||
cgen.genln('
|
||||
void* live_lib=0;
|
||||
int load_so(byteptr path) {
|
||||
char cpath[1024];
|
||||
sprintf(cpath, "./%s", path);
|
||||
if (live_lib) FreeLibrary(live_lib);
|
||||
live_lib = LoadLibraryA(cpath);
|
||||
if (!live_lib) {
|
||||
puts("open failed");
|
||||
exit(1);
|
||||
return 0;
|
||||
}
|
||||
')
|
||||
|
||||
for so_fn in cgen.so_fns {
|
||||
cgen.genln('$so_fn = (void *)GetProcAddress(live_lib, "$so_fn"); ')
|
||||
}
|
||||
}
|
||||
|
||||
cgen.genln('return 1;
|
||||
}
|
||||
|
||||
int _live_reloads = 0;
|
||||
void reload_so() {
|
||||
char new_so_base[1024];
|
||||
char new_so_name[1024];
|
||||
char compile_cmd[1024];
|
||||
int last = os__file_last_mod_unix(tos2("$file"));
|
||||
while (1) {
|
||||
// TODO use inotify
|
||||
int now = os__file_last_mod_unix(tos2("$file"));
|
||||
if (now != last) {
|
||||
last = now;
|
||||
_live_reloads++;
|
||||
|
||||
//v -o bounce -shared bounce.v
|
||||
sprintf(new_so_base, ".tmp.%d.${file_base}", _live_reloads);
|
||||
#ifdef _WIN32
|
||||
// We have to make this directory becuase windows WILL NOT
|
||||
// do it for us
|
||||
os__mkdir(string_all_before_last(tos2(new_so_base), tos2("/")));
|
||||
#endif
|
||||
#ifdef _MSC_VER
|
||||
sprintf(new_so_name, "%s.dll", new_so_base);
|
||||
#else
|
||||
sprintf(new_so_name, "%s.so", new_so_base);
|
||||
#endif
|
||||
sprintf(compile_cmd, "$vexe $msvc -o %s -shared $file", new_so_base);
|
||||
os__system(tos2(compile_cmd));
|
||||
|
||||
if( !os__file_exists(tos2(new_so_name)) ) {
|
||||
fprintf(stderr, "Errors while compiling $file\\n");
|
||||
continue;
|
||||
}
|
||||
|
||||
lfnmutex_print("reload_so locking...");
|
||||
pthread_mutex_lock(&live_fn_mutex);
|
||||
lfnmutex_print("reload_so locked");
|
||||
|
||||
live_lib = 0; // hack: force skipping dlclose/1, the code may be still used...
|
||||
load_so(new_so_name);
|
||||
#ifndef _WIN32
|
||||
unlink(new_so_name); // removing the .so file from the filesystem after dlopen-ing it is safe, since it will still be mapped in memory.
|
||||
#else
|
||||
_unlink(new_so_name);
|
||||
#endif
|
||||
//if(0 == rename(new_so_name, "${so_name}")){
|
||||
// load_so("${so_name}");
|
||||
//}
|
||||
|
||||
lfnmutex_print("reload_so unlocking...");
|
||||
pthread_mutex_unlock(&live_fn_mutex);
|
||||
lfnmutex_print("reload_so unlocked");
|
||||
|
||||
}
|
||||
time__sleep_ms(100);
|
||||
}
|
||||
}
|
||||
' )
|
||||
}
|
||||
|
||||
if v.pref.is_so {
|
||||
cgen.genln(' int load_so(byteptr path) { return 0; }')
|
||||
}
|
||||
cgen.save()
|
||||
if v.pref.is_verbose {
|
||||
v.log('flags=')
|
||||
println(v.table.flags)
|
||||
}
|
||||
v.cc()
|
||||
}
|
||||
|
||||
fn final_target_out_name(out_name string) string {
|
||||
|
|
@ -790,15 +548,11 @@ fn (v mut V) cc() {
|
|||
else {
|
||||
a << '-g'
|
||||
}
|
||||
if v.pref.is_live || v.pref.is_so {
|
||||
// See 'man dlopen', and test running a GUI program compiled with -live
|
||||
if (v.os == .linux || os.user_os() == 'linux'){
|
||||
a << '-rdynamic'
|
||||
}
|
||||
if (v.os == .mac || os.user_os() == 'mac'){
|
||||
a << '-flat_namespace'
|
||||
}
|
||||
|
||||
for f in v.generate_hotcode_reloading_compiler_flags() {
|
||||
a << f
|
||||
}
|
||||
|
||||
mut libs := ''// builtin.o os.o http.o etc
|
||||
if v.pref.build_mode == .build {
|
||||
a << '-c'
|
||||
|
|
|
|||
Loading…
Reference in New Issue