diff options
Diffstat (limited to 'src/main')
34 files changed, 1182 insertions, 47 deletions
diff --git a/src/main/c/simple_audio.c b/src/main/c/simple_audio.c new file mode 100644 index 00000000..b8ed62de --- /dev/null +++ b/src/main/c/simple_audio.c @@ -0,0 +1,40 @@ +#include "simple_audio.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <dlfcn.h> + +static const struct simple_audio_api *api; +static void *library; + +int32_t simple_audio_open(void) { + const char *path = getenv("SIMPLE_MINIAUDIO"); + if (path && strcmp(path,"off")==0) return -1; + if (!api) { + if (!path || !*path) return -1; // Optional: games may run silently. + library = dlopen(path,RTLD_NOW | RTLD_LOCAL); + if (!library) { + fprintf(stderr,"Simple audio: cannot load backend '%s': %s\n",path,dlerror()); + return -1; + } + const struct simple_audio_api *(*get_api)(void) = + (const struct simple_audio_api *(*)(void))dlsym(library,"simple_miniaudio_api"); + const struct simple_audio_api *candidate = get_api ? get_api() : NULL; + if (!candidate || candidate->version!=SIMPLE_AUDIO_VERSION || !candidate->open || + !candidate->load || !candidate->play || !candidate->stop || + !candidate->playing || !candidate->close) { + fprintf(stderr,"Simple audio: incompatible backend; rebuild with make audio.\n"); + dlclose(library); + library=NULL; + return -1; + } + api=candidate; + atexit(api->close); + } + return api->open(); +} +int32_t simple_audio_load(const int16_t *samples, uint32_t count) { return api ? api->load(samples,count) : -1; } +int32_t simple_audio_play(int32_t sound) { return api ? api->play(sound) : -1; } +int32_t simple_audio_stop(void) { return api ? api->stop() : 0; } +int32_t simple_audio_playing(void) { return api ? api->playing() : 0; } +int32_t simple_audio_close(void) { if (api) api->close(); return 0; } diff --git a/src/main/c/simple_audio.h b/src/main/c/simple_audio.h new file mode 100644 index 00000000..77cce530 --- /dev/null +++ b/src/main/c/simple_audio.h @@ -0,0 +1,16 @@ +#ifndef SIMPLE_AUDIO_H +#define SIMPLE_AUDIO_H +#include <stdint.h> + +// Main-thread API. Samples are copied; no Simple heap pointer is retained. +struct simple_audio_api { + int32_t version; + int32_t (*open)(void); + int32_t (*load)(const int16_t *, uint32_t); + int32_t (*play)(int32_t); + int32_t (*stop)(void); + int32_t (*playing)(void); + void (*close)(void); +}; +#define SIMPLE_AUDIO_VERSION 1 +#endif diff --git a/src/main/c/simple_graphics.c b/src/main/c/simple_graphics.c new file mode 100644 index 00000000..40d66ba9 --- /dev/null +++ b/src/main/c/simple_graphics.c @@ -0,0 +1,102 @@ +#define _POSIX_C_SOURCE 200809L +#include "simple_graphics.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <dlfcn.h> +#include <unistd.h> + +#ifdef __CYGWIN__ +#define BACKEND_NAME "simple_minifb.dll" +#define BACKEND_ABI "x86_64_v2_win64" +#else +#define BACKEND_NAME "libsimple_minifb.so" +#define BACKEND_ABI "x86_64_v2_SystemV" +#endif + +// Executable-relative paths work even when launched outside the checkout. +// Working-directory paths also cover test executables and chapter/root shells. +static void *find_backend(void) { + char executable[4096], path[8192]; + ssize_t n=readlink("/proc/self/exe",executable,sizeof(executable)-1); + if (n>0 && n<(ssize_t)sizeof(executable)-1) { + executable[n]=0; + char *slash=strrchr(executable,'/'); + if (slash) { + *slash=0; + const char *relative[]={"/" BACKEND_NAME, + "/../../release/" BACKEND_ABI "/" BACKEND_NAME, + "/../release/" BACKEND_ABI "/" BACKEND_NAME}; + for (unsigned i=0;i<sizeof(relative)/sizeof(*relative);++i) { + snprintf(path,sizeof(path),"%s%s",executable,relative[i]); + void *handle=dlopen(path,RTLD_NOW | RTLD_LOCAL); + if (handle) return handle; + } + } + } + const char *relative[]={"./" BACKEND_NAME, + "./build/release/" BACKEND_ABI "/" BACKEND_NAME, + "./chapter31/build/release/" BACKEND_ABI "/" BACKEND_NAME}; + for (unsigned i=0;i<sizeof(relative)/sizeof(*relative);++i) { + void *handle=dlopen(relative[i],RTLD_NOW | RTLD_LOCAL); + if (handle) return handle; + } + return NULL; +} + +// No MiniFB headers or link dependency in the default runtime. Cygwin's +// dlopen also loads native Windows DLLs; both use the x64 Windows C ABI. +static const struct simple_graphics_api *api; +static void *library; + +static int load_graphics(void) { + // Explicitly disabling graphics also makes headless tests deterministic. + const char *path = getenv("SIMPLE_MINIFB"); + if (path && strcmp(path, "off") == 0) { + fprintf(stderr, "Simple graphics: disabled (SIMPLE_MINIFB=off).\n"); + return -1; + } + if (api) return 0; + int explicit_path=path && *path; + library = explicit_path ? dlopen(path, RTLD_NOW | RTLD_LOCAL) : find_backend(); + if (!library) { + if (explicit_path) + fprintf(stderr, "Simple graphics: cannot load MiniFB backend '%s': %s\n", path, dlerror()); + else + fprintf(stderr, "Simple graphics: MiniFB backend not found beside the executable or in build/release/" + BACKEND_ABI ". Run make graphics, or set SIMPLE_MINIFB to its full path.\n"); + return -1; + } + if (!explicit_path) path="automatically discovered backend"; + const struct simple_graphics_api *(*get_api)(void) = + (const struct simple_graphics_api *(*)(void))dlsym(library, "simple_minifb_api"); + const struct simple_graphics_api *candidate = get_api ? get_api() : NULL; + if (!candidate || candidate->version != SIMPLE_GRAPHICS_VERSION || + !candidate->open || !candidate->present || !candidate->poll || + !candidate->mouse_x || !candidate->mouse_y || !candidate->button || + !candidate->key || !candidate->close || !candidate->wait) { + fprintf(stderr, "Simple graphics: incompatible MiniFB backend '%s'. Rebuild with make graphics.\n", path); + dlclose(library); + library = NULL; + return -1; + } + api = candidate; + // Keep the library loaded until process exit; its window callbacks may + // still be registered. Closing a window releases its native resources. + atexit(api->close); + return 0; +} + +int32_t simple_gfx_open(const char *title, uint32_t width, uint32_t height) { + return load_graphics() ? -1 : api->open(title, width, height); +} +int32_t simple_gfx_present(const uint32_t *pixels, uint32_t count) { + return api ? api->present(pixels, count) : -1; +} +int32_t simple_gfx_poll(int32_t wait) { return api ? api->poll(wait) : -1; } +int32_t simple_gfx_mouse_x(void) { return api ? api->mouse_x() : 0; } +int32_t simple_gfx_mouse_y(void) { return api ? api->mouse_y() : 0; } +int32_t simple_gfx_button(int32_t button) { return api ? api->button(button) : 0; } +int32_t simple_gfx_key(int32_t key) { return api ? api->key(key) : 0; } +int32_t simple_gfx_close(void) { if (api) api->close(); return 0; } +int32_t simple_gfx_wait(int64_t timeout) { return api ? api->wait(timeout) : -1; } diff --git a/src/main/c/simple_graphics.h b/src/main/c/simple_graphics.h new file mode 100644 index 00000000..370256be --- /dev/null +++ b/src/main/c/simple_graphics.h @@ -0,0 +1,20 @@ +#ifndef SIMPLE_GRAPHICS_H +#define SIMPLE_GRAPHICS_H +#include <stdint.h> + +// Private, versioned boundary between the tiny runtime loader and MiniFB. +// All calls run on the main thread. Pixel memory is borrowed for present only. +struct simple_graphics_api { + int32_t version; + int32_t (*open)(const char *, uint32_t, uint32_t); + int32_t (*present)(const uint32_t *, uint32_t); + int32_t (*poll)(int32_t); + int32_t (*mouse_x)(void); + int32_t (*mouse_y)(void); + int32_t (*button)(int32_t); + int32_t (*key)(int32_t); + void (*close)(void); + int32_t (*wait)(int64_t); +}; +#define SIMPLE_GRAPHICS_VERSION 2 +#endif diff --git a/src/main/c/simple_miniaudio.c b/src/main/c/simple_miniaudio.c new file mode 100644 index 00000000..03dbadd7 --- /dev/null +++ b/src/main/c/simple_miniaudio.c @@ -0,0 +1,123 @@ +#include "simple_audio.h" +#define MA_NO_DECODING +#define MA_NO_ENCODING +#define MA_NO_RESOURCE_MANAGER +#define MA_NO_NODE_GRAPH +#define MA_NO_ENGINE +#define MINIAUDIO_IMPLEMENTATION +#include <miniaudio.h> +#include <math.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +#define RATE 48000 +#define SLOTS 32 +static ma_device device; +static ma_mutex mutex; +static int opened, active; +static uint32_t cursor; +static struct { int16_t *pcm; uint32_t count; } sounds[SLOTS]; + +// Only native-owned immutable PCM is read on the audio thread. The lock covers +// a bounded copy, never allocation, synthesis, device calls, or Simple code. +static void output(ma_device *unused, void *out, const void *in, ma_uint32 frames) { + (void)unused; (void)in; + memset(out,0,frames*sizeof(int16_t)); + ma_mutex_lock(&mutex); + if (active) { + uint32_t count=sounds[active].count-cursor; + if (count>frames) count=frames; + memcpy(out,sounds[active].pcm+cursor,count*sizeof(int16_t)); + cursor+=count; + if (cursor==sounds[active].count) active=0; + } + ma_mutex_unlock(&mutex); +} +static int32_t load(const int16_t *pcm, uint32_t count) { + if (!opened || !pcm || !count || count>RATE*10) return -1; + int slot; + for (slot=4; slot<SLOTS && sounds[slot].pcm; ++slot) {} + if (slot==SLOTS) return -1; + int16_t *copy=malloc(count*sizeof(*copy)); + if (!copy) return -1; + memcpy(copy,pcm,count*sizeof(*copy)); + ma_mutex_lock(&mutex); + sounds[slot].pcm=copy; sounds[slot].count=count; + ma_mutex_unlock(&mutex); + return slot; +} +static int32_t play(int32_t sound) { + if (!opened || sound<=0 || sound>=SLOTS || !sounds[sound].pcm) return -1; + ma_mutex_lock(&mutex); + active=sound; cursor=0; + ma_mutex_unlock(&mutex); + return 0; +} +static int32_t stop(void) { + if (opened) { ma_mutex_lock(&mutex); active=0; ma_mutex_unlock(&mutex); } + return 0; +} +static int32_t playing(void) { + if (!opened) return 0; + ma_mutex_lock(&mutex); + int result=active!=0; + ma_mutex_unlock(&mutex); + return result; +} +static void close_audio(void) { + if (!opened) return; + ma_device_uninit(&device); // Joins callback before freeing buffers/mutex. + ma_mutex_uninit(&mutex); + for (int i=1;i<SLOTS;++i) { + free(sounds[i].pcm); sounds[i].pcm=NULL; sounds[i].count=0; + } + opened=0; active=0; cursor=0; +} +static int tone(int slot, int descending) { + uint32_t note=slot==1 ? RATE*7/100 : RATE*16/100; + int notes=slot==1 ? 1 : 3; + sounds[slot].count=note*notes; + sounds[slot].pcm=calloc(note*notes,sizeof(int16_t)); + if (!sounds[slot].pcm) return -1; + const double pitches[3]={523.251,659.255,783.991}; + for (int n=0;n<notes;++n) { + double hz=slot==1 ? 440.0 : pitches[descending ? 2-n : n]; + for (uint32_t i=0;i<note;++i) { + double t=(double)i/note; + double envelope=sin(3.141592653589793*t); + sounds[slot].pcm[n*note+i]=(int16_t)(3200*envelope*envelope*sin(6.283185307179586*hz*i/RATE)); + } + } + return 0; +} +static int32_t open_audio(void) { + if (opened) return 0; + if (ma_mutex_init(&mutex)!=MA_SUCCESS) return -1; + ma_device_config config=ma_device_config_init(ma_device_type_playback); + config.playback.format=ma_format_s16; + config.playback.channels=1; + config.sampleRate=RATE; + config.dataCallback=output; +#ifdef SIMPLE_AUDIO_TEST_NULL + ma_backend backend=ma_backend_null; + ma_result result=ma_device_init_ex(&backend,1,NULL,&config,&device); +#else + ma_result result=ma_device_init(NULL,&config,&device); +#endif + if (result!=MA_SUCCESS) { + ma_mutex_uninit(&mutex); + fprintf(stderr,"Simple audio: no playback device (%d); continuing silently.\n",result); + return -1; + } + opened=1; + if (tone(1,0) || tone(2,0) || tone(3,1) || ma_device_start(&device)!=MA_SUCCESS) { + close_audio(); return -1; + } + return 0; +} +static const struct simple_audio_api api={SIMPLE_AUDIO_VERSION,open_audio,load,play,stop,playing,close_audio}; +#ifdef _WIN32 +__declspec(dllexport) +#endif +const struct simple_audio_api *simple_miniaudio_api(void) { return &api; } diff --git a/src/main/c/simple_minifb.c b/src/main/c/simple_minifb.c new file mode 100644 index 00000000..2117f0d2 --- /dev/null +++ b/src/main/c/simple_minifb.c @@ -0,0 +1,117 @@ +#include "simple_graphics.h" +#include <MiniFB.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#ifdef _WIN32 +#include <windows.h> +#else +#include <errno.h> +#include <time.h> +#include <poll.h> +#include "WindowData.h" +#include "x11/WindowData_X11.h" +#endif + +// One fixed-size window for now. No Simple pointer survives a native call: +// MiniFB retains its last draw buffer for OS repaint events, so copy it here. +static struct mfb_window *window; +static uint32_t *frame; +static uint32_t width, height; + +// The C-only build never installs the upstream C++ callback wrappers. +void release_cpp_stub(struct mfb_window *unused) { (void)unused; } + +static void close_window(void) { + if (window) { + mfb_close(window); // Requests close. + mfb_update_events(window); // Actually destroys the window. + window = NULL; + } + free(frame); + frame = NULL; +} + +static int32_t open_window(const char *title, uint32_t w, uint32_t h) { + if (window || !w || !h || w > UINT32_MAX / 4 || + (uint64_t)w * h > UINT32_MAX || (uint64_t)w * h > SIZE_MAX / 4) { + fprintf(stderr, "Simple graphics: invalid dimensions or a window is already open.\n"); + return -1; + } + frame = calloc((size_t)w * h, sizeof(*frame)); + if (!frame) { + fprintf(stderr, "Simple graphics: cannot allocate the display buffer.\n"); + return -1; + } + window = mfb_open(title, w, h); + if (!window) { + fprintf(stderr, "Simple graphics: MiniFB could not open a window (is a graphical display available?).\n"); + close_window(); + return -1; + } + width = w; + height = h; + return 0; +} + +static int32_t status(mfb_update_state state) { + if (state == MFB_STATE_OK) return 0; + if (state == MFB_STATE_EXIT) { + window = NULL; // MiniFB has already destroyed it. + close_window(); + return 1; + } + fprintf(stderr, "Simple graphics: MiniFB update failed (%d).\n", state); + close_window(); + return -1; +} + +static int32_t present(const uint32_t *pixels, uint32_t count) { + if (!window) return 1; + if (!pixels || count != (uint64_t)width * height) { + fprintf(stderr, "Simple graphics: pixel array length must equal width * height.\n"); + return -1; + } + memcpy(frame, pixels, (size_t)count * sizeof(*frame)); + return status(mfb_update_ex(window, frame, width, height)); +} + +static int32_t wait_events(int64_t timeout) { + if (!window) return 1; + if (timeout < -1) return -1; + // May return early; the game recomputes its deadlines after every wakeup. + int ms=timeout>INT_MAX ? INT_MAX : (int)timeout; +#ifdef _WIN32 + if (MsgWaitForMultipleObjectsEx(0,NULL,ms<0 ? INFINITE : (DWORD)ms, + QS_ALLINPUT,MWMO_INPUTAVAILABLE)==WAIT_FAILED) return -1; +#else + // The pinned MiniFB X11 backend owns this connection. Check already queued + // Xlib events before waiting on its socket; no new event thread is needed. + SWindowData *data=(SWindowData *)window; + SWindowData_X11 *native=(SWindowData_X11 *)data->specific; + if (!XPending(native->display)) { + struct pollfd fd={ConnectionNumber(native->display),POLLIN,0}; + if (poll(&fd,1,ms)<0 && errno!=EINTR) return -1; + } +#endif + return status(mfb_update_events(window)); +} +static int32_t poll_events(int32_t wait) { return wait_events(wait ? 17 : 0); } +static int32_t mouse_x(void) { return window ? mfb_get_mouse_x(window) : 0; } +static int32_t mouse_y(void) { return window ? mfb_get_mouse_y(window) : 0; } +static int32_t button(int32_t b) { + return window && b >= 0 && b < 8 ? mfb_get_mouse_button_buffer(window)[b] != 0 : 0; +} +static int32_t key(int32_t k) { + return window && k >= 0 && k <= MFB_KB_KEY_LAST ? mfb_get_key_buffer(window)[k] != 0 : 0; +} + +static const struct simple_graphics_api api = { + SIMPLE_GRAPHICS_VERSION, open_window, present, poll_events, + mouse_x, mouse_y, button, key, close_window, wait_events +}; +#ifdef _WIN32 +__declspec(dllexport) +#endif +const struct simple_graphics_api *simple_minifb_api(void) { return &api; } diff --git a/src/main/c/simple_time.c b/src/main/c/simple_time.c new file mode 100644 index 00000000..2e579922 --- /dev/null +++ b/src/main/c/simple_time.c @@ -0,0 +1,61 @@ +#define _POSIX_C_SOURCE 200809L +#include <time.h> +#include <stdint.h> +#include <errno.h> + +// Fixed-width bridge; no native struct layout or retained Simple pointers. +static int64_t clock_value(clockid_t clock, int64_t scale) { + struct timespec t; + if (clock_gettime(clock,&t)) return -1; + if (t.tv_sec>INT64_MAX/scale || t.tv_sec<INT64_MIN/scale) { + errno=EOVERFLOW; return -1; + } + int64_t base=(int64_t)t.tv_sec*scale; + int64_t fraction=t.tv_nsec/(1000000000/scale); + if (base>INT64_MAX-fraction) { errno=EOVERFLOW; return -1; } + return base+fraction; +} +int64_t simple_time_now(void) { return clock_value(CLOCK_REALTIME,1000); } +int64_t simple_time_mono(void) { return clock_value(CLOCK_MONOTONIC,1000); } +int64_t simple_time_nano(void) { return clock_value(CLOCK_MONOTONIC,1000000000); } +int32_t simple_time_sleep(int64_t ms, int32_t absolute) { + if (ms<0) { errno=EINVAL; return -1; } + struct timespec t={ms/1000,(ms%1000)*1000000}; + int result; + if (!absolute) { + // Retry the remaining duration after signals; no busy waiting. + do { result=nanosleep(&t,&t); } while (result && errno==EINTR); + return result; + } + do { result=clock_nanosleep(CLOCK_MONOTONIC,TIMER_ABSTIME,&t,NULL); } while (result==EINTR); + if (result) { errno=result; return -1; } + return 0; +} +static int leap(int y) { return y%4==0 && (y%100!=0 || y%400==0); } +static int local_fields(int64_t ms, struct tm *local, struct tm *utc) { + tzset(); + int64_t sec=ms/1000; + if (ms%1000<0) --sec; + time_t t=(time_t)sec; + if ((int64_t)t!=sec || !localtime_r(&t,local) || !gmtime_r(&t,utc)) return -1; + if (local->tm_year < -1899 || local->tm_year > 8099) { errno=EOVERFLOW; return -1; } + return 0; +} +int32_t simple_time_local(int64_t ms, int64_t *out) { + struct tm t,u; + if (local_fields(ms,&t,&u)) return -1; + int days=t.tm_yday-u.tm_yday; + if (t.tm_year>u.tm_year) days+=365+leap(u.tm_year+1900); + if (t.tm_year<u.tm_year) days-=365+leap(t.tm_year+1900); + int offset=days*86400+(t.tm_hour-u.tm_hour)*3600+(t.tm_min-u.tm_min)*60+t.tm_sec-u.tm_sec; + out[0]=t.tm_year+1900; out[1]=t.tm_mon+1; out[2]=t.tm_mday; + out[3]=t.tm_hour; out[4]=t.tm_min; out[5]=t.tm_sec; + out[6]=(ms%1000+1000)%1000; out[7]=t.tm_wday; + out[8]=offset; out[9]=t.tm_isdst>0; + return 0; +} +int32_t simple_time_zone(int64_t ms, char *out, uint32_t capacity) { + struct tm t,u; + if (!capacity || local_fields(ms,&t,&u)) return -1; + return (int32_t)strftime(out,capacity,"%Z",&t); +} diff --git a/src/main/java/com/seaofnodes/simple/README.md b/src/main/java/com/seaofnodes/simple/README.md index af86f21e..a8916aa8 100644 --- a/src/main/java/com/seaofnodes/simple/README.md +++ b/src/main/java/com/seaofnodes/simple/README.md @@ -2,7 +2,7 @@ | Directory | Contents | | --- | --- | -| `parser/` | Recursive-descent grammar routines, lexing, name resolution, and construction of the initial IR. `Var` describes a lexical binding. See the [grammar map](../../../../../../docs/chapter30/30-grammar.md). | +| `parser/` | Recursive-descent grammar routines, lexing, name resolution, and construction of the initial IR. `Var` describes a lexical binding. See the [grammar map](../../../../../../docs/chapter31/31-grammar.md). | | `node/` | Sea-of-Nodes IR nodes: graph edges, type computation, and local peephole rewrites. | | `node/cpus/` | Machine-specific nodes and instruction selection support for `arm`, `riscv`, and `x86_64_v2`. | | `codegen/` | Compilation driver and passes: module loading, optimization, scheduling, register allocation, serialization, and machine-code emission. `IterPeeps` runs the peephole worklist. | diff --git a/src/main/java/com/seaofnodes/simple/codegen/Encoding.java b/src/main/java/com/seaofnodes/simple/codegen/Encoding.java index b07a8fec..eb62c36a 100644 --- a/src/main/java/com/seaofnodes/simple/codegen/Encoding.java +++ b/src/main/java/com/seaofnodes/simple/codegen/Encoding.java @@ -39,7 +39,9 @@ public class Encoding implements com.seaofnodes.isa.CodeSink { public final BAOS _bits = new BAOS(); // Instructions / encodings public final BAOS _cpool = new BAOS(); // Constant r/o pool public final BAOS _sdata = new BAOS(); // Static r/w pool - public final HashMap<Node,Relo> _bigCons = new HashMap<>(); + // Relocations belong to instruction occurrences, including equal constant + // loads cloned by scheduling/register allocation. Structural keys lose sites. + public final IdentityHashMap<Node,Relo> _bigCons = new IdentityHashMap<>(); public final StaticData _data; public final HashMap<String,Integer> _externalAddresses = new HashMap<>(); @@ -157,7 +159,7 @@ public class Encoding implements com.seaofnodes.isa.CodeSink { // Nodes need "relocation" patching; things done after code is placed. // Record src and dst Nodes. - private final HashMap<Node,CFGNode> _internals = new HashMap<>(); + private final IdentityHashMap<Node,CFGNode> _internals = new IdentityHashMap<>(); // Source is a Call, destination in the Fun. public Encoding relo( CallNode call ) { FunNode fun = _code.link(call.tfp()); @@ -187,13 +189,13 @@ public class Encoding implements com.seaofnodes.isa.CodeSink { } // External references only located by Strings a link-time - public final HashMap<Node,String> _externals = new HashMap<>(); + public final IdentityHashMap<Node,String> _externals = new IdentityHashMap<>(); public Encoding external( Node n, String extern ) { _externals.put(n,extern); return this; } - public final HashMap<Node,String> _externData = new HashMap<>(); + public final IdentityHashMap<Node,String> _externData = new IdentityHashMap<>(); public void externalData(Node n, String name) { _externData.put(n,name); } // Store t as a 32/64 bit constant in the code space; generate RIP-relative diff --git a/src/main/java/com/seaofnodes/simple/codegen/Serialize.java b/src/main/java/com/seaofnodes/simple/codegen/Serialize.java index ae4ecb74..79bebe1f 100644 --- a/src/main/java/com/seaofnodes/simple/codegen/Serialize.java +++ b/src/main/java/com/seaofnodes/simple/codegen/Serialize.java @@ -417,7 +417,7 @@ public class Serialize { assert elf._clz._name==strs[1/*skip null ptr*/]; for( Type type : types ) if( type instanceof TypeStruct ts ) - Parser.TYPES.put(ts._name,ts); + installType(ts); for( Type type : types ) { if( !(type instanceof TypeStruct ts) || !TypeStruct.startsClzPrefix(ts._name) ) continue; @@ -429,7 +429,7 @@ public class Serialize { elf._pubTypes = new TypeStruct[npubTypes]; for( int i=0; i<npubTypes; i++ ) { TypeStruct ts = elf._pubTypes[i] = (TypeStruct)types[pubTypeIds[i]]; - Parser.TYPES.put(ts._name,ts); + installType(ts); } elf._functions = new FunctionSummary[bais.packed4()]; for( int i = 0; i<elf._functions.length; i++ ) { @@ -444,6 +444,14 @@ public class Serialize { return elf._types = new TypeRead(types,strs,fileAliases,fileFidxs,fileRpcs); } + private static void installType(TypeStruct ts) { + // TYPES names the mutable array declaration. Read-only arrays in + // imported signatures keep their own types, but must not replace that + // declaration: closeOver looks up its mutable variant by name. + if( ts.isAry() ) ts = ts.replace(ts.field("[]").makeFrom(false)); + Parser.TYPES.put(ts._name,ts); + } + static void readAll( CodeGen code, ElfReader elf, GlobalBits aliases, GlobalBits fidxs, GlobalBits rpcs ) { BAOS bais = elf._bais; TypeRead tread = readTypes(code, elf, aliases, fidxs, rpcs); diff --git a/src/main/java/com/seaofnodes/simple/node/LoadNode.java b/src/main/java/com/seaofnodes/simple/node/LoadNode.java index eb78ed1f..35db4c2f 100644 --- a/src/main/java/com/seaofnodes/simple/node/LoadNode.java +++ b/src/main/java/com/seaofnodes/simple/node/LoadNode.java @@ -364,15 +364,13 @@ public class LoadNode extends MemOpNode { if( ptr instanceof PhiNode pphi && pphi.region() == r ) return true; - // No, so can we lift this ptr? - CFGNode cptr = ptr.cfg0(); - if( cptr != null ) - // Pointer is controlled high - // TODO: Really needs to be the LCA of all inputs is high - return cptr.idepth() <= r.idepth(); - - // Dunno without a longer walk - return false; + // Each copied Load needs its pointer before the Region, including + // a loop's entry arm. input 0 alone misses floating Loads whose own + // pointer was produced inside the loop. + CFGNode pinned = ptr.cfg0(); + if( pinned==null || pinned.idepth()>r.idepth() ) return false; + CFGNode cptr = ptr instanceof PhiNode phi ? phi.region() : CFGNode.earlyCFG(ptr); + return cptr==null || cptr.dominates(r.idom(memphi),memphi); } @Override public Parser.ParseException err() { diff --git a/src/main/java/com/seaofnodes/simple/node/MemMergeNode.java b/src/main/java/com/seaofnodes/simple/node/MemMergeNode.java index aa3f6d57..19420839 100644 --- a/src/main/java/com/seaofnodes/simple/node/MemMergeNode.java +++ b/src/main/java/com/seaofnodes/simple/node/MemMergeNode.java @@ -20,8 +20,20 @@ public class MemMergeNode extends Node { public MemMergeNode( Node ...nodes) { super(nodes); _type = TypeMem.BOT; } public MemMergeNode(MemMergeNode mem) { super(mem); } @Override public Tag serialTag() { return Tag.MemMerge; } - public void packed( BAOS baos, HashMap<String,Integer> strs, HashMap<Type,Integer> types, IdentityHashMap<Node, Integer> anodes ) { baos.packed1(nIns()); } - static Node make( BAOS bais ) { Node mem = new MemMergeNode(); mem.setDefX(bais.packed1()-1,null); return mem; } + public void packed( BAOS baos, HashMap<String,Integer> strs, HashMap<Type,Integer> types, IdentityHashMap<Node, Integer> anodes ) { + // A memory merge always has inputs. Zero escapes a wide alias table, + // preserving every existing nonzero single-byte count. + assert nIns()>0; + baos.packed1(nIns()<=255 ? nIns() : 0); + if( nIns()>255 ) baos.packed4(nIns()); + } + static Node make( BAOS bais ) { + int count=bais.packed1(); + if( count==0 ) count=bais.packed4(); + Node mem=new MemMergeNode(); + mem.setDefX(count-1,null); + return mem; + } @Override public String label() { return "ALLMEM"; } @Override public boolean isMem() { return true; } diff --git a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/JmpX86.java b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/JmpX86.java index 10cee059..ae725659 100644 --- a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/JmpX86.java +++ b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/JmpX86.java @@ -9,6 +9,7 @@ import com.seaofnodes.simple.util.Utils; // Jump on flags, uses flags public class JmpX86 extends IfNode implements MachNode, RIPRelSize { String _bop; + boolean _unsigned, _floating, _unorderedTaken; JmpX86( IfNode iff, String bop ) { super(iff); _bop = bop; @@ -23,29 +24,47 @@ public class JmpX86 extends IfNode implements MachNode, RIPRelSize { if( set instanceof SetX86 setx && (cmp instanceof CmpX86 || cmp instanceof CmpIX86 || cmp instanceof CmpMemX86 || cmp instanceof CmpFX86) ) { _inputs.set( 1, cmp ); _bop = setx._bop; + _unsigned = setx._unsigned; + _floating = cmp instanceof CmpFX86; + _unorderedTaken = _bop.equals("!="); } else throw Utils.TODO(); } @Override public RegMask regmap(int i) { assert i==1; return x86_64_v2.FLAGS_MASK; } @Override public RegMask outregmap() { return null; } - @Override public void negate() { _bop = negate(_bop); } + @Override public void negate() { + _bop = negate(_bop); + if( _floating ) _unorderedTaken = !_unorderedTaken; + } + + private int condition() { return x86_64_v2.jumpop(_bop,_unsigned)&15; } @Override public void encoding( Encoding enc ) { if( in(1)==null && _bop=="!=" ) return; - X86.branch(enc,in(1)==null ? -1 : x86_64_v2.jumpop(_bop)&15); + // UCOMISD sets CF/ZF/PF, not signed-integer SF/OF. Handle unordered + // separately, including when layout has negated the original test. + if( _floating ) { + if( _unorderedTaken ) enc.add1(0x0F).add1(0x8A).add4(0); // JP target + else enc.add1(0x7A).add1(0); // JP past the ordered jump + } + X86.branch(enc,in(1)==null ? -1 : condition()); enc.jump(this,cproj(0)); } // Delta is from opcode start, but X86 measures from the end of the 2-byte encoding @Override public byte encSize(int delta) { if( in(1)==null && _bop=="!=" ) return 0; - return X86.branchSize(delta,in(1)!=null); + int prefix = !_floating ? 0 : _unorderedTaken ? 6 : 2; + return (byte)(prefix + X86.branchSize(delta-prefix,in(1)!=null)); } // Delta is from opcode start @Override public void patch( Encoding enc, int opStart, int opLen, int delta ) { assert !(in(1)==null && _bop=="!="); - X86.patchBranch(enc.bits(),opStart,opLen,delta,in(1)==null ? -1 : x86_64_v2.jumpop(_bop)&15); + int prefix = !_floating ? 0 : _unorderedTaken ? 6 : 2; + if( _floating ) + X86.patchBranch(enc.bits(),opStart,prefix,_unorderedTaken ? delta : opLen,10); + X86.patchBranch(enc.bits(),opStart+prefix,opLen-prefix,delta-prefix,in(1)==null ? -1 : condition()); } @Override public void asm(CodeGen code, SB sb) { diff --git a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NegX86.java b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NegX86.java index 86610f6d..4494985d 100644 --- a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NegX86.java +++ b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NegX86.java @@ -9,7 +9,7 @@ public class NegX86 extends MachConcreteNode implements MachNode { NegX86(MinusNode not) { super(not); } @Override public String op() { return "neg"; } @Override public RegMask regmap(int i) { return x86_64_v2.RMASK; } - @Override public RegMask outregmap() { return x86_64_v2.RMASK; } + @Override public RegMask outregmap() { return x86_64_v2.WMASK; } @Override public RegMask killmap() { return x86_64_v2.FLAGS_MASK; } @Override public int twoAddress() { return 1; } diff --git a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NotX86.java b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NotX86.java index 1e4e7c26..1291cf78 100644 --- a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NotX86.java +++ b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/NotX86.java @@ -9,7 +9,7 @@ public class NotX86 extends MachConcreteNode implements MachNode { NotX86(NotNode not) { super(not); } @Override public String op() { return "not"; } @Override public RegMask regmap(int i) { return x86_64_v2.RMASK; } - @Override public RegMask outregmap() { return x86_64_v2.RMASK; } + @Override public RegMask outregmap() { return x86_64_v2.WMASK; } @Override public RegMask killmap() { return x86_64_v2.FLAGS_MASK; } @Override public void encoding( Encoding enc ) { diff --git a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/SetX86.java b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/SetX86.java index 864c1b55..bcc4880b 100644 --- a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/SetX86.java +++ b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/SetX86.java @@ -4,7 +4,6 @@ import com.seaofnodes.isa.X86; import com.seaofnodes.simple.codegen.*; import com.seaofnodes.simple.node.*; import com.seaofnodes.simple.util.SB; -import com.seaofnodes.simple.util.Utils; // Corresponds to the x86 instruction "sete && setne". // Use result of comparison without jump. @@ -25,15 +24,14 @@ public class SetX86 extends MachConcreteNode implements MachNode { @Override public RegMask outregmap() { return x86_64_v2.WMASK; } @Override public void encoding( Encoding enc ) { - int op=switch (_bop) { - case "==" -> 0x94; // SETE - case "<" -> _unsigned ? 0x92 : 0x9C; // SETB /SETL - case "<=" -> _unsigned ? 0x96 : 0x9E; // SETBE/SETLE - case ">=" -> _unsigned ? 0x93 : 0x9D; // SETAE/SETGE - case ">" -> _unsigned ? 0x97 : 0x9F; // SETA /SETG - default -> throw Utils.TODO(); - }; - X86.set(enc,op&15,enc.reg(this)); + int dst=enc.reg(this); + if( in(1) instanceof CmpFX86 ) { + // MOV preserves comparison flags; unordered is true only for !=. + X86.unary(enc,0xC7,0,dst); + enc.add4(_bop.equals("!=") ? 1 : 0); + enc.add1(0x7A).add1(dst>=4 ? 8 : 6); // JP past SETcc/MOVZX + } + X86.set(enc,x86_64_v2.jumpop(_bop,_unsigned)&15,dst); } @Override public void asm(CodeGen code, SB sb) { diff --git a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/x86_64_v2.java b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/x86_64_v2.java index 3d71b4ea..aed8ee4c 100644 --- a/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/x86_64_v2.java +++ b/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/x86_64_v2.java @@ -87,6 +87,18 @@ public class x86_64_v2 extends Machine { default -> throw new IllegalArgumentException("Too many arguments"); }; } + static int jumpop(String op, boolean unsigned) { + if( !unsigned ) return jumpop(op); + return switch( op ) { + case "==" -> 0x84; + case "!=" -> 0x85; + case "<" -> 0x82; + case "<=" -> 0x86; + case ">" -> 0x87; + case ">=" -> 0x83; + default -> throw new IllegalArgumentException(op); + }; + } // Limit of float args passed in registers static RegMask[] XMMS8 = new RegMask[]{ @@ -370,8 +382,9 @@ public class x86_64_v2 extends Machine { private Node _lea(Node add, Node base, Node idx, int off) { int scale = 0; - if( base instanceof ShlNode && !(idx instanceof ShlNode) ) - throw Utils.TODO(); // Bug in canonicalization, should on RHS + if( base instanceof ShlNode && !(idx instanceof ShlNode) ) { + Node tmp = base; base = idx; idx = tmp; + } if( idx instanceof ShlNode shift && shift.in(2) instanceof ConstantNode shfcon && shfcon._con instanceof TypeInteger tscale && 0 <= tscale.value() && tscale.value() <= 3 ) { idx = shift.in(1); diff --git a/src/main/java/com/seaofnodes/simple/parser/Expressions.java b/src/main/java/com/seaofnodes/simple/parser/Expressions.java index 247d974e..6486aba8 100644 --- a/src/main/java/com/seaofnodes/simple/parser/Expressions.java +++ b/src/main/java/com/seaofnodes/simple/parser/Expressions.java @@ -400,7 +400,7 @@ final class Expressions { * Parse integer literal * * <pre> - * integerLiteral: [1-9][0-9]* | [0] + * integerLiteral: [1-9][0-9]* | 0[0-7]* | 0[xX][0-9a-fA-F]+ * floatLiteral: [digits].[digits]?[e [digits]]?[f]? * </pre> */ diff --git a/src/main/java/com/seaofnodes/simple/parser/Lexer.java b/src/main/java/com/seaofnodes/simple/parser/Lexer.java index 5e4b7311..62dd054e 100644 --- a/src/main/java/com/seaofnodes/simple/parser/Lexer.java +++ b/src/main/java/com/seaofnodes/simple/parser/Lexer.java @@ -239,6 +239,7 @@ public class Lexer { // Return a constant Type, either TypeInteger or TypeFloat Type parseNumber() { Lexer start=new Lexer(this); + if( isHex() ) return parseInteger(parseNumberString(),16,2,start); int old = _position; int len = isLongOrDouble(); boolean f32 = peek()=='f'; @@ -250,7 +251,7 @@ public class Lexer { return TypeFloat.constant(Float.parseFloat(literal)); if( len > 0 ) { if( len > 1 && _input[old]=='0' ) - throw Parser.error("Syntax error: integer values cannot start with '0'",start); + return parseInteger(literal,8,0,start); long i = Long.parseLong(literal); return TypeInteger.constant(i); } @@ -262,6 +263,11 @@ public class Lexer { } private String parseNumberString() { int old = _position; + if( isHex() ) { + _position += 2; + while( isIdLetter(peek()) ) inc(); + return new String(_input,old,_position-old); + } int len = Math.abs(isLongOrDouble()); if( peek()=='f' ) { nextChar(); @@ -270,6 +276,24 @@ public class Lexer { return new String(_input,old,len); } + private boolean isHex() { + return peek()=='0' && _position+1<_input.length && (peek(1)=='x' || peek(1)=='X'); + } + + private TypeInteger parseInteger(String literal, int radix, int prefix, Lexer start) { + String kind = radix==16 ? "Hexadecimal" : "Octal"; + if( literal.length()==prefix ) + throw Parser.error(kind+" integer literal requires at least one digit",start); + for( int i=prefix; i<literal.length(); i++ ) + if( Character.digit(literal.charAt(i),radix)<0 ) + throw Parser.error("Invalid "+kind.toLowerCase()+" integer literal '"+literal+"'",start); + try { + return TypeInteger.constant(Long.parseUnsignedLong(literal.substring(prefix),radix)); + } catch( NumberFormatException ex ) { + throw Parser.error(kind+" integer literal exceeds 64 bits",start); + } + } + // Return +len that ends a long // Return -len that ends a double private int isLongOrDouble() { @@ -381,14 +405,19 @@ public class Lexer { precision = formatNumber(site); } char kind=nextChar(); - if( "diuoxXfFeEgGaAcsb".indexOf(kind)<0 ) + if( "diuoxXfFeEgGaAcsbt".indexOf(kind)<0 ) throw Parser.error("Expected a string format: %(expression), %d(expression), or %%",site); boolean number="diuoxXfFeEgGaA".indexOf(kind)>=0; if( !number && (flags&~1)!=0 || "uoxX".indexOf(kind)>=0 && (flags&6)!=0 || "diu".indexOf(kind)>=0 && (flags&8)!=0 ) throw Parser.error("Invalid flags for %"+kind,site); - if( precision>=0 && (kind=='c' || kind=='b') ) + if( precision>=0 && (kind=='c' || kind=='b' || kind=='t') ) throw Parser.error("Precision is not supported for %"+kind,site); + if( kind=='t' && peek()!='(' ) { + int style="FrRMDT".indexOf(nextChar()); + if( style<0 ) throw Parser.error("Expected a time format: %t, %tF, %tr, %tR, %tM, %tD, or %tT",site); + flags |= style<<8; + } if( peek()!='(' ) throw Parser.error("Expected '(' after string format %"+kind,site); inc(); return new Format(kind,flags,width,precision,site); diff --git a/src/main/java/com/seaofnodes/simple/parser/README.md b/src/main/java/com/seaofnodes/simple/parser/README.md index cee1d64a..d0220761 100644 --- a/src/main/java/com/seaofnodes/simple/parser/README.md +++ b/src/main/java/com/seaofnodes/simple/parser/README.md @@ -2,7 +2,7 @@ The parser builds Sea-of-Nodes IR directly. Each component shares the cursor, active scope, and compilation state through its `Parser P` reference; there is no intermediate -AST. The [grammar map](../../../../../../../docs/chapter30/30-grammar.md) connects language +AST. The [grammar map](../../../../../../../docs/chapter31/31-grammar.md) connects language productions to their entry points. | File | Responsibility | diff --git a/src/main/java/com/seaofnodes/simple/parser/Strings.java b/src/main/java/com/seaofnodes/simple/parser/Strings.java index 5bf76585..be913371 100644 --- a/src/main/java/com/seaofnodes/simple/parser/Strings.java +++ b/src/main/java/com/seaofnodes/simple/parser/Strings.java @@ -32,7 +32,7 @@ final class Strings { Node strings=P.references.member(text,"string",fmt.site()).keep(); fptr=new FormatNode(value,ints.unkeep(),floats.unkeep(),strings.unkeep(),fmt.site()).peephole(); } else { - String family="diuoxXcb".indexOf(fmt.kind())>=0 ? "integer" : fmt.kind()=='s' ? "string" : "floating"; + String family="diuoxXcb".indexOf(fmt.kind())>=0 ? "integer" : fmt.kind()=='s' ? "string" : fmt.kind()=='t' ? "time" : "floating"; fptr=P.references.member(text,family,fmt.site()); } call(text,fptr,fmt.site(),builder,value.unkeep(),P.con(fmt.kind() | fmt.flags()<<8), diff --git a/src/main/java/com/seaofnodes/simple/parser/package-info.java b/src/main/java/com/seaofnodes/simple/parser/package-info.java index c886f72a..73ebec2e 100644 --- a/src/main/java/com/seaofnodes/simple/parser/package-info.java +++ b/src/main/java/com/seaofnodes/simple/parser/package-info.java @@ -7,7 +7,7 @@ * use-side name/field resolution; Allocations, ControlFlow, and Conversions * contain their shared IR construction. Lexer also supplies location snapshots. * - * <p>See {@code chapter30/docs/30-grammar.md} for the production-to-method map. + * <p>See {@code chapter31/docs/31-grammar.md} for the production-to-method map. * Evaluation order and scope lifetimes are explicit: loop updates and declared * constructor bodies are the two deferred source fragments. There is no AST. */ diff --git a/src/main/java/com/seaofnodes/simple/print/ASMPrinter.java b/src/main/java/com/seaofnodes/simple/print/ASMPrinter.java index e8218afd..bdd887e6 100644 --- a/src/main/java/com/seaofnodes/simple/print/ASMPrinter.java +++ b/src/main/java/com/seaofnodes/simple/print/ASMPrinter.java @@ -10,7 +10,7 @@ import com.seaofnodes.simple.type.*; import java.util.ArrayList; import com.seaofnodes.simple.codegen.Encoding; import com.seaofnodes.simple.util.BAOS; -import java.util.HashMap; +import java.util.Map; /** Machine-specific facts; traversal, columns and byte display live in print/. */ public final class ASMPrinter extends AssemblyAdapter<Node> { @@ -93,7 +93,7 @@ public final class ASMPrinter extends AssemblyAdapter<Node> { return data; } // Retain this diagnostic entry point for checking that pool printing never lays out types. - static int printConstantPool(int address, SB sb, BAOS bits, HashMap<Node,Encoding.Relo> relos, + static int printConstantPool(int address, SB sb, BAOS bits, Map<Node,Encoding.Relo> relos, boolean ro, String name) { sb.p(com.seaofnodes.print.ASMPrinter.pool(new Pool(name,bits.buf(),0,address,entries(relos.values(),ro)))); return address+bits.size(); diff --git a/src/main/java/com/seaofnodes/simple/type/TypeMem.java b/src/main/java/com/seaofnodes/simple/type/TypeMem.java index 5faa7107..1c83ddd7 100644 --- a/src/main/java/com/seaofnodes/simple/type/TypeMem.java +++ b/src/main/java/com/seaofnodes/simple/type/TypeMem.java @@ -211,14 +211,19 @@ public class TypeMem extends Type { + (!_one ? 0 : (_clz ? 4 : 8))); if( _alias!=1 ) { // generic alias - assert _alias <= 255; - baos.packed1( _alias ); + // Zero is reserved for alias-set flags, never a memory slice. + // Use it as an escape for large libraries, retaining the existing + // single-byte encoding (including 255) for older objects. + assert _alias>1; + baos.packed1(_alias<=255 ? _alias : 0); + if( _alias>255 ) baos.packed4(_alias); } XInt.packed(baos,_escFs); XInt.packed(baos,_escAs); } static TypeMem packed( int tag, BAOS bais ) { int alias = (tag&1)==0 ? 1 : bais.packed1(); + if( alias==0 ) alias=bais.packed4(); boolean xfinal= (tag&2)==2; boolean one = (tag&12)!=0; boolean clz = (tag&4)==4; diff --git a/src/main/smp/sys.smp b/src/main/smp/sys.smp index 1201315b..296635ae 100644 --- a/src/main/smp/sys.smp +++ b/src/main/smp/sys.smp @@ -2,12 +2,16 @@ // top-level default standard library import val adt = adt; // Abstract Data Types +val audio = audio; // Optional background sound (miniaudio) val ary = ary; // Array utilities val aryi64 = aryi64; // Variable sized array of i64 val aryu8 = aryu8; // Variable sized array of u8 val char = char; // Character utilities val io = io; // IO library +val gfx = gfx; // Optional pixel window (MiniFB) +val draw = draw; // Software raster drawing in Simple val text = text; // Typed text conversions +val time = time; // Clocks, calendar text, and cooperative timers val libc = libc; // libc FFI bindings val rt = rt; // Run Time support val scan = scan; // A simple string parser diff --git a/src/main/smp/sys/audio.smp b/src/main/smp/sys/audio.smp new file mode 100644 index 00000000..89e6dfa9 --- /dev/null +++ b/src/main/smp/sys/audio.smp @@ -0,0 +1,29 @@ +// Optional background audio. All API calls belong on the game/main thread. +int OK = 0; +int ERROR = -1; +int BOOP = 1; +int WIN = 2; +int LOSE = 3; +int RATE = 48000; +{ i32 } simple_audio_open = "C"; +{ i64 u32 -> i32 } simple_audio_load = "C"; +{ i32 -> i32 } simple_audio_play = "C"; +{ i32 } simple_audio_stop = "C"; +{ i32 } simple_audio_playing = "C"; +{ i32 } simple_audio_close = "C"; +// Missing/disabled backend returns ERROR quietly; the game may remain silent. +val open = { -> simple_audio_open(); }; +// Mono signed 16-bit PCM at RATE, up to ten seconds. Copies into native memory. +// Load at startup: up to 28 custom handles, valid until close, then reload. +val load = { i16[~] samples -> + i64 ptr = samples; + simple_audio_load(ptr,samples#); +}; +// Starts/restarts immediately, replacing the previous sound; never waits for it. +val play = { int sound -> simple_audio_play(sound); }; +val boop = { -> simple_audio_play(BOOP); }; +val win = { -> simple_audio_play(WIN); }; +val lose = { -> simple_audio_play(LOSE); }; +val stop = { -> simple_audio_stop(); }; +val playing = { -> simple_audio_playing(); }; +val close = { -> simple_audio_close(); }; diff --git a/src/main/smp/sys/draw.smp b/src/main/smp/sys/draw.smp new file mode 100644 index 00000000..0e4a27d4 --- /dev/null +++ b/src/main/smp/sys/draw.smp @@ -0,0 +1,18 @@ +// Software raster drawing. No window or native calls; pixels are packed RGB (0x00RRGGBB). +u32 BLACK = 0x000000; +u32 WHITE = 0xffffff; +u32 RED = 0xe05252; +u32 GREEN = 0x48b88c; +u32 BLUE = 0x558ee6; + +// Components are clamped to bytes rather than wrapping. +val rgb = { int r, int g, int b -> + r = r<0 ? 0 : r>255 ? 255 : r; + g = g<0 ? 0 : g>255 ? 255 : g; + b = b<0 ? 0 : b>255 ? 255 : b; + u32 color = (r<<16) | (g<<8) | b; + return color; +}; + +val Canvas = Canvas; // Pixel canvas and drawing methods +val Button = Button; // Pointer state and rendering for a rectangular button diff --git a/src/main/smp/sys/draw/Button.smp b/src/main/smp/sys/draw/Button.smp new file mode 100644 index 00000000..edf01119 --- /dev/null +++ b/src/main/smp/sys/draw/Button.smp @@ -0,0 +1,41 @@ +// Feed pointer state once per event-loop iteration. Activate on release inside, +// only after a press that began inside. No native/window dependency. +struct Button { + int x, y, width, height; + u8[~] !label; + bool !enabled=true, !hovered=false, !pressed=false; + bool !_held=false, !_armed=false; + new Button = { int px, int py, int w, int h, u8[~] text -> + x=px; y=py; width=w; height=h; label=text; + }; + val contains = { i64 px, i64 py -> + if( width<=0 || height<=0 ) return false; + i64 right=x, bottom=y; right+=width; bottom+=height; + if( px<x || py<y || px>=right || py>=bottom ) return false; + return true; + }; + val update = { i64 px, i64 py, bool down -> + hovered=false; + if( enabled ) hovered=contains(px,py); + if( !enabled ) _armed=false; + if( down && !_held ) _armed=hovered; + var clicked=false; + if( !down ) if( _held ) if( _armed ) if( hovered ) clicked=true; + if( !down ) _armed=false; + _held=down; + pressed=false; + if( down ) if( _armed ) if( hovered ) pressed=true; + return clicked; + }; + val draw = { !sys.draw.Canvas screen, int scale, u32 foreground, u32 background, u32 active -> + screen.fillRect(x,y,width,height,enabled && (hovered || pressed) ? active : background); + screen.rect(x,y,width,height,2,enabled ? foreground : active); + if( scale>0 ) { + i64 textWidth=label#; textWidth=(textWidth*4-1)*scale; + if( textWidth<=width-8 && 5*scale<=height-8 ) + screen.text(x+(width-textWidth)/2,y+(height-5*scale)/2+(pressed ? 1 : 0), + label,scale,enabled ? foreground : active); + } + return self; + }; +}; diff --git a/src/main/smp/sys/draw/Canvas.smp b/src/main/smp/sys/draw/Canvas.smp new file mode 100644 index 00000000..8c01b4b3 --- /dev/null +++ b/src/main/smp/sys/draw/Canvas.smp @@ -0,0 +1,176 @@ +struct Canvas { + u32 width; + u32 height; + u32[] pixels; + + new Canvas = { int w, int h -> + i64 count = w; + count *= h; + if( w<=0 || h<=0 || count>2147483647 ) libc._exit(1); + width = w; + height = h; + pixels = new u32[count]; + }; + + val clear = { u32 color -> + for( int i=0; i<pixels#; i++ ) pixels[i] = color; + return self; + }; + + val pixel = { i64 x, i64 y, u32 color -> + if( 0<=x<width && 0<=y<height ) pixels[y*width+x] = color; + return self; + }; + + // Integer coordinates, top-left origin. Rectangle extents are half-open. + val fillRect = { i64 x, i64 y, i64 w, i64 h, u32 color -> + if( w<=0 || h<=0 ) return self; + i64 right = x; right += w; + i64 bottom = y; bottom += h; + if( right<=0 || bottom<=0 || x>=width || y>=height ) return self; + int x0 = x<0 ? 0 : x, y0 = y<0 ? 0 : y; + int x1 = right>width ? width : right, y1 = bottom>height ? height : bottom; + for( int py=y0; py<y1; py++ ) + for( int px=x0; px<x1; px++ ) pixels[py*width+px] = color; + return self; + }; + + // Outline stays inside the rectangle. Wide borders become a filled rect. + val rect = { i64 x, i64 y, i64 w, i64 h, i64 thickness, u32 color -> + if( w<=0 || h<=0 || thickness<=0 ) return self; + if( thickness>=w || thickness>=h || thickness>=w-thickness || thickness>=h-thickness ) + return fillRect(x,y,w,h,color); + fillRect(x,y,w,thickness,color); + fillRect(x,y+h-thickness,w,thickness,color); + fillRect(x,y+thickness,thickness,h-2*thickness,color); + return fillRect(x+w-thickness,y+thickness,thickness,h-2*thickness,color); + }; + + // Integer centers are pixel centers. Circle outlines extend inward. + val fillCircle = { i64 cx, i64 cy, int radius, u32 color -> + return _circle(cx,cy,radius,0,true,color); + }; + val circle = { i64 cx, i64 cy, int radius, int thickness, u32 color -> + return _circle(cx,cy,radius,thickness,false,color); + }; + val _circle = { i64 cx, i64 cy, int radius, int thickness, bool filled, u32 color -> + if( radius<0 || (!filled && thickness<=0) ) return self; + i64 left = cx; left -= radius; + i64 top = cy; top -= radius; + i64 right = cx; right += radius; + i64 bottom = cy; bottom += radius; + if( right<0 || bottom<0 || left>=width || top>=height ) return self; + int x0 = left<0 ? 0 : left, y0 = top<0 ? 0 : top; + int x1 = right>=width ? width-1 : right, y1 = bottom>=height ? height-1 : bottom; + i64 outer2 = radius; + outer2 *= radius; + i64 inner = filled ? -1 : radius-thickness; + for( int py=y0; py<=y1; py++ ) + for( int px=x0; px<=x1; px++ ) { + i64 dx = px; dx -= cx; + i64 dy = py; dy -= cy; + i64 d2 = dx*dx+dy*dy; + if( d2<=outer2 && (inner<=0 || d2>inner*inner) ) pixels[py*width+px] = color; + } + return self; + }; + + // Round caps; a zero-length segment is a dot. Only the clipped bounding + // box is scanned. Floating distances avoid overflowing coordinate squares. + val line = { i64 x0, i64 y0, i64 x1, i64 y1, i64 thickness, u32 color -> + if( thickness<=0 ) return self; + i64 pad = thickness/2+1; + i64 left = x0<x1 ? x0 : x1; left -= pad; + i64 top = y0<y1 ? y0 : y1; top -= pad; + i64 right = x0>x1 ? x0 : x1; right += pad; + i64 bottom = y0>y1 ? y0 : y1; bottom += pad; + if( right<0 || bottom<0 || left>=width || top>=height ) return self; + int bx0 = left<0 ? 0 : left, by0 = top<0 ? 0 : top; + int bx1 = right>=width ? width-1 : right, by1 = bottom>=height ? height-1 : bottom; + for( int py=by0; py<=by1; py++ ) + for( int px=bx0; px<=bx1; px++ ) + if( _onLine(px,py,x0,y0,x1,y1,thickness) ) pixels[py*width+px] = color; + return self; + }; + + // Small 3x5 bitmap font for game labels. Lowercase maps to uppercase. + // Newline returns to x; unsupported characters draw a question mark. + val text = { i64 x, i64 y, u8[~] str, int scale, u32 color -> + if( scale<=0 ) return self; + i64 px = x, py = y; + for( int i=0; i<str#; i++ ) { + u8 c = str[i]; + if( c=='\n' ) { px=x; py+=6*scale; continue; } + int bits = _glyph(c); + for( int row=0; row<5; row++ ) + for( int col=0; col<3; col++ ) + if( (bits >> (14-row*3-col)) & 1 ) + fillRect(px+col*scale,py+row*scale,scale,scale,color); + px += 4*scale; + } + return self; + }; +}; + +val _glyph = { u8 c -> + // Five octal digits: one 3-bit row per digit, top to bottom. + if( 'a'<=c<='z' ) c -= 'a'-'A'; + if( c==' ' ) return 000000; + if( c=='0' ) return 075557; + if( c=='1' ) return 026227; + if( c=='2' ) return 061247; + if( c=='3' ) return 061216; + if( c=='4' ) return 055711; + if( c=='5' ) return 074616; + if( c=='6' ) return 034757; + if( c=='7' ) return 071222; + if( c=='8' ) return 075757; + if( c=='9' ) return 075716; + if( c=='A' ) return 025755; + if( c=='B' ) return 065656; + if( c=='C' ) return 034443; + if( c=='D' ) return 065556; + if( c=='E' ) return 074647; + if( c=='F' ) return 074644; + if( c=='G' ) return 034553; + if( c=='H' ) return 055755; + if( c=='I' ) return 072227; + if( c=='J' ) return 011152; + if( c=='K' ) return 055655; + if( c=='L' ) return 044447; + if( c=='M' ) return 057755; + if( c=='N' ) return 057775; + if( c=='O' ) return 025552; + if( c=='P' ) return 065644; + if( c=='Q' ) return 025573; + if( c=='R' ) return 065655; + if( c=='S' ) return 034216; + if( c=='T' ) return 072222; + if( c=='U' ) return 055557; + if( c=='V' ) return 055552; + if( c=='W' ) return 055775; + if( c=='X' ) return 055255; + if( c=='Y' ) return 055222; + if( c=='Z' ) return 071247; + if( c=='-' ) return 000700; + if( c=='.' ) return 000002; + if( c==':' ) return 002020; + if( c=='!' ) return 022202; + if( c=='?' ) return 061202; + return 061202; +}; + +// Pixel coverage for a round-ended segment, separate from traversal. +val _onLine = { i64 px, i64 py, i64 x0, i64 y0, i64 x1, i64 y1, i64 thickness -> + f64 dx = x1; dx -= x0; + f64 dy = y1; dy -= y0; + f64 vx = px; vx -= x0; + f64 vy = py; vy -= y0; + f64 length2 = dx*dx+dy*dy; + bool point = x0==x1 && y0==y1; + f64 t = point ? 0.0 : (vx*dx+vy*dy)/length2; + t = t<0 ? 0.0 : t>1 ? 1.0 : t; + f64 ex = vx-t*dx, ey = vy-t*dy; + f64 half = thickness/2.0; + return ex*ex+ey*ey<=half*half; +}; diff --git a/src/main/smp/sys/gfx.smp b/src/main/smp/sys/gfx.smp new file mode 100644 index 00000000..cde2cc0d --- /dev/null +++ b/src/main/smp/sys/gfx.smp @@ -0,0 +1,42 @@ +// Minimal pixel-window interface; drawing belongs in Simple. +// One fixed-size window, main thread only. Pixel format is 0x00RRGGBB. +// open/present/poll return OK, CLOSED (normal user close/Esc), or ERROR. +int OK = 0; +int CLOSED = 1; +int ERROR = -1; +int LEFT = 1; +int ESCAPE = 256; + +{ i64 u32 u32 -> i32 } simple_gfx_open = "C"; +{ i64 u32 -> i32 } simple_gfx_present = "C"; +{ i32 -> i32 } simple_gfx_poll = "C"; +{ i32 } simple_gfx_mouse_x = "C"; +{ i32 } simple_gfx_mouse_y = "C"; +{ i32 -> i32 } simple_gfx_button = "C"; +{ i32 -> i32 } simple_gfx_key = "C"; +{ i32 } simple_gfx_close = "C"; +{ i64 -> i32 } simple_gfx_wait = "C"; + +// Failure prints a diagnostic to stderr and returns ERROR; callers decide +// whether to exit or fall back to text. No native library is loaded until here. +val open = { u8[~] title, u32 width, u32 height -> + i64 ptr = aryu8.str0(title); + simple_gfx_open(ptr,width,height); +}; +// Array length must be width*height. The native layer copies for OS repaints; +// it never keeps a pointer into the Simple heap after this call returns. +val present = { u32[~] pixels -> + i64 ptr = pixels; + simple_gfx_present(ptr,pixels#); +}; +// wait=true waits up to 17ms, waking early for input to avoid a busy loop. +val poll = { bool wait -> simple_gfx_poll(wait); }; +val mouseX = { -> simple_gfx_mouse_x(); }; +val mouseY = { -> simple_gfx_mouse_y(); }; +val button = { int button -> simple_gfx_button(button); }; +// Printable keys use uppercase ASCII; special keys use MiniFB's key codes. +val key = { int key -> simple_gfx_key(key); }; +val close = { -> simple_gfx_close(); }; +// Wait for input or at most timeout milliseconds; 0 polls, -1 waits indefinitely. +// This blocks the game thread, dispatches window events, and may wake early. +val wait = { i64 timeout -> simple_gfx_wait(timeout); }; diff --git a/src/main/smp/sys/text.smp b/src/main/smp/sys/text.smp index a414ff45..a28edf6d 100644 --- a/src/main/smp/sys/text.smp +++ b/src/main/smp/sys/text.smp @@ -96,3 +96,8 @@ val f64 = { f64 x -> end(floating(begin(),x, 0 ,0,-1)); }; val char = { i64 x -> end(integer (begin(),x,'c',0,-1)); }; val bool = { bool x -> end(integer (begin(),x,'b',0,-1)); }; val hex = { i64 x -> end(integer (begin(),x,'x',0,-1)); }; + +// Time selectors occupy spec bits 16..23; padding shares string formatting. +val time = { !aryu8 b, i64 value, i64 spec, i64 width, i64 precision -> + string(b,sys.time.format(value,(spec>>>16)&255),spec,width,-1); +}; diff --git a/src/main/smp/sys/time.smp b/src/main/smp/sys/time.smp new file mode 100644 index 00000000..cdcb5055 --- /dev/null +++ b/src/main/smp/sys/time.smp @@ -0,0 +1,191 @@ +// Instants: bare i64 UTC Unix-epoch milliseconds. Durations: i64 milliseconds. +// Monotonic readings are a separate clock domain, for deadlines/elapsed time. +val DateTime = DateTime; +val Timers = Timers; +i64 SECOND=1000, MINUTE=60000, HOUR=3600000, DAY=86400000; +i64 MIN=-62135596800000, MAX=253402300799999; // Calendar years 1..9999. +i64 LIMIT=9223372036854775807; +int ISO=0, CLOCK12=1, CLOCK24=2, ELAPSED=3, DATE=4, CLOCK24_SECONDS=5; +{ i64 } simple_time_now = "C"; +{ i64 } simple_time_mono = "C"; +{ i64 } simple_time_nano = "C"; +{ i64 i32 -> i32 } simple_time_sleep = "C"; +{ i64 i64 -> i32 } simple_time_local = "C"; +{ i64 i64 u32 -> i32 } simple_time_zone = "C"; +val now = { -> simple_time_now(); }; +val monotonic = { -> simple_time_mono(); }; +val nanoTime = { -> simple_time_nano(); }; +val sleep = { i64 ms -> simple_time_sleep(ms,0); }; +val sleepUntil = { i64 deadline -> simple_time_sleep(deadline,1); }; + +// Signed duration conversions. Overflow returns -1; reverse conversions truncate +// toward zero. An exact duration day is 24 hours, independent of DST. +val _scale = { i64 n, i64 unit -> + if( n>LIMIT/unit || n<(-LIMIT-1)/unit ) return -1; + return n*unit; +}; +val seconds = { i64 n -> _scale(n,SECOND); }; +val minutes = { i64 n -> _scale(n,MINUTE); }; +val hours = { i64 n -> _scale(n,HOUR); }; +val days = { i64 n -> _scale(n,DAY); }; +val toSeconds = { i64 ms -> ms/SECOND; }; +val toMinutes = { i64 ms -> ms/MINUTE; }; +val toHours = { i64 ms -> ms/HOUR; }; +val toDays = { i64 ms -> ms/DAY; }; +val fromNanos = { i64 ns -> ns/1000000; }; +val toNanos = { i64 ms -> _scale(ms,1000000); }; +// Clamp to zero once due, and saturate for widely separated i64 readings. +val remaining = { i64 deadline, i64 current -> + if( deadline<=current ) return 0; + if( current<0 && deadline>LIMIT+current ) return LIMIT; + return deadline-current; +}; +val _mod = { i64 n, i64 unit -> n-n/unit*unit; }; +val leap = { int year -> _mod(year,4)==0 && (_mod(year,100)!=0 || _mod(year,400)==0); }; +val monthDays = { int year, int month -> + if( month<1 || month>12 ) return 0; + return month==2 ? (leap(year) ? 29 : 28) : + month==4 || month==6 || month==9 || month==11 ? 30 : 31; +}; + +// Gregorian civil dates, expressed using 400-year eras; no per-year loops. +val _days = { i64 year, i64 month, i64 day -> + year -= month<=2 ? 1 : 0; + i64 era=year/400, y=year-era*400; + i64 mp=month+(month>2 ? -3 : 9); + return era*146097+y*365+y/4-y/100+(153*mp+2)/5+day-1-719468; +}; +val valid = { int year, int month, int day, int hour, int minute, int second, int millisecond -> + return year>=1 && year<=9999 && month>=1 && month<=12 && day>=1 && day<=monthDays(year,month) && + hour>=0 && hour<=23 && minute>=0 && minute<=59 && second>=0 && second<=59 && + millisecond>=0 && millisecond<=999; +}; +val makeUTC = { int year, int month, int day, int hour, int minute, int second, int millisecond -> + if( !valid(year,month,day,hour,minute,second,millisecond) ) return -1; + return _days(year,month,day)*DAY+hour*HOUR+minute*MINUTE+second*SECOND+millisecond; +}; +val utc = { i64 instant -> + val d=DateTime.empty(); + if( instant<MIN || instant>MAX ) return d; + i64 day=instant/DAY, rest=_mod(instant,DAY); + if( rest<0 ) { rest+=DAY; day--; } + i64 z=day+719468, era=z/146097, doe=z-era*146097; + i64 y=(doe-doe/1460+doe/36524-doe/146096)/365; + i64 doy=doe-(365*y+y/4-y/100), mp=(5*doy+2)/153; + d.day=doy-(153*mp+2)/5+1; + d.month=mp+(mp<10 ? 3 : -9); + d.year=y+era*400+(d.month<=2 ? 1 : 0); + d.hour=rest/HOUR; d.minute=_mod(rest/MINUTE,60); + d.second=_mod(rest/SECOND,60); d.millisecond=_mod(rest,SECOND); + d.weekday=_mod(day+4,7); + if( d.weekday<0 ) d.weekday+=7; + return d; +}; +val local = { i64 instant -> + val d=DateTime.empty(); + val f=new i64[10]; + i64 ptr=f; + if( simple_time_local(instant,ptr)!=0 ) return d; + d.year=f[0]; d.month=f[1]; d.day=f[2]; + d.hour=f[3]; d.minute=f[4]; d.second=f[5]; d.millisecond=f[6]; + d.weekday=f[7]; d.offsetSeconds=f[8]; d.daylight=f[9]!=0; + return d; +}; +val zoneName = { i64 instant -> + val bytes=new u8[128]; + i64 ptr=bytes; + int n=simple_time_zone(instant,ptr,bytes#); + if( n<0 ) return ""; + val b=new aryu8(); + for( int i=0; i<n; i++ ) b.add(bytes[i]); + return text.end(b); +}; + +val _digits = { !aryu8 b, i64 n, int width -> + text.integer(b,n,'d'|4096,width,-1); +}; +val _format = { i64 instant, int style, bool localZone -> + val d=localZone ? local(instant) : utc(instant); + if( d.year==0 || style<0 || style>5 || style==3 ) return "<invalid time>"; + val b=new aryu8(); + if( style==4 ) { + _digits(b,d.day,2).add('/'); _digits(b,d.month,2).add('/'); _digits(b,_mod(d.year,100),2); + } else { + if( style==0 ) { + _digits(b,d.year,4).add('-'); _digits(b,d.month,2).add('-'); _digits(b,d.day,2).add('T'); + } + int hour=d.hour; + if( style==1 ) { hour=_mod(hour,12); if( hour==0 ) hour=12; } + _digits(b,hour,style==1 ? 1 : 2).add(':'); _digits(b,d.minute,2); + if( style==0 || style==5 ) { b.add(':'); _digits(b,d.second,2); } + if( style==1 ) b.addAry(d.hour<12 ? "am" : "pm"); + if( style==0 ) { + b.add('.'); _digits(b,d.millisecond,3); + if( d.offsetSeconds==0 ) b.add('Z'); + else { + i64 offset=d.offsetSeconds; + b.add(offset<0 ? '-' : '+'); + if( offset<0 ) offset=-offset; + _digits(b,offset/3600,2).add(':'); _digits(b,_mod(offset/60,60),2); + if( _mod(offset,60)!=0 ) { b.add(':'); _digits(b,_mod(offset,60),2); } + } + } + } + return text.end(b); +}; + +val elapsed = { i64 ms -> + val b=new aryu8(); + // Nonpositive arithmetic handles the minimum i64 without negating it. + if( ms<0 ) b.add('-'); else ms=-ms; + _digits(b,-(ms/MINUTE),2).add(':'); + _digits(b,-_mod(ms/SECOND,60),2).add('.'); _digits(b,-_mod(ms,SECOND),3); + return text.end(b); +}; +val format = { i64 instant, int style -> + if( style==ELAPSED ) return elapsed(instant); + return _format(instant,style,false); +}; +val formatLocal = { i64 instant, int style -> + if( style==ELAPSED ) return elapsed(instant); + return _format(instant,style,true); +}; + +val _number = { u8[~] s, i64 at, int count -> + if( at<0 || count<1 || at+count>s# ) return -1; + int n=0; + for( int i=0; i<count; i++ ) { + int c=s[at+i]; + if( c<'0' || c>'9' ) return -1; + n=n*10+c-'0'; + } + return n; +}; +// Keep suffix validation separate from calendar construction. +val _parseZone_noInline = { u8[~] s, int at, i64 instant -> + if( at<0 || at>=s# ) return -1; + i64 offset=0; + if( s[at]=='Z' ) { if( at+1!=s# ) return -1; } + else { + int sign=s[at]=='+' ? 1 : s[at]=='-' ? -1 : 0; + if( !sign || (s#!=at+6 && s#!=at+9) || s[at+3]!=':' ) return -1; + int oh=_number(s,at+1,2), om=_number(s,at+4,2), os=0; + if( s#==at+9 ) { if( s[at+6]!=':' ) return -1; os=_number(s,at+7,2); } + if( oh<0 || oh>23 || om<0 || om>59 || os<0 || os>59 ) return -1; + offset=sign*(oh*HOUR+om*MINUTE+os*SECOND); + } + instant-=offset; + return instant<MIN || instant>MAX ? -1 : instant; +}; + +// Strict ISO absolute instants only. -1 is reserved for failure (and therefore +// cannot distinguish the valid instant one millisecond before Unix epoch). +val parse = { u8[~] s -> + if( s#<20 || s[4]!='-' || s[7]!='-' || s[10]!='T' || s[13]!=':' || s[16]!=':' ) return -1; + int y=_number(s,0,4), m=_number(s,5,2), d=_number(s,8,2); + int h=_number(s,11,2), min=_number(s,14,2), sec=_number(s,17,2); + bool fraction=s[19]=='.'; + int ms=fraction ? _number(s,20,3) : 0; + if( !valid(y,m,d,h,min,sec,ms) ) return -1; + return _parseZone_noInline(s,fraction ? 23 : 19,makeUTC(y,m,d,h,min,sec,ms)); +}; diff --git a/src/main/smp/sys/time/DateTime.smp b/src/main/smp/sys/time/DateTime.smp new file mode 100644 index 00000000..5d117467 --- /dev/null +++ b/src/main/smp/sys/time/DateTime.smp @@ -0,0 +1,11 @@ +// Calendar view of an instant. Month/day start at 1; weekday is Sunday=0. +// year==0 means out of the supported calendar range (years 1 through 9999). +struct DateTime { + int !year=0, !month=0, !day=0; + int !hour=0, !minute=0, !second=0, !millisecond=0; + int !weekday=0, !offsetSeconds=0; + bool !daylight=false; +}; + +// Factory in the defining unit, so callers need no forward instance type. +val empty = { -> new DateTime(); }; diff --git a/src/main/smp/sys/time/Timers.smp b/src/main/smp/sys/time/Timers.smp new file mode 100644 index 00000000..b98c96ef --- /dev/null +++ b/src/main/smp/sys/time/Timers.smp @@ -0,0 +1,55 @@ +// Cooperative timers. poll returns IDs; callbacks never run on another thread. +struct Timers { + i64[] !_ids=new i64[8], !_due=new i64[8], !_period=new i64[8]; + i64 !_next=1; + + val _add = { i64 current, i64 delay, i64 period -> + if( current<0 || delay<0 || current>time.LIMIT-delay || _next==time.LIMIT ) return -1; + int slot=0; + while( slot<_ids# && _ids[slot]!=0 ) slot++; + if( slot==_ids# ) { + if( _ids#>1073741823 ) return -1; + val ids=new i64[_ids#*2], due=new i64[_ids#*2], periods=new i64[_ids#*2]; + for( int i=0; i<_ids#; i++ ) { ids[i]=_ids[i]; due[i]=_due[i]; periods[i]=_period[i]; } + _ids=ids; _due=due; _period=periods; + // Retry against the newly published arrays after growing. + return _add(current,delay,period); + } + i64 id=_next++; + _ids[slot]=id; _due[slot]=current+delay; _period[slot]=period; + return id; + }; + // Explicit-clock versions make game logic and tests deterministic. + val afterAt = { i64 current, i64 delay -> _add(current,delay,0); }; + val everyAt = { i64 current, i64 period -> period<=0 ? -1 : _add(current,period,period); }; + val after = { i64 delay -> afterAt(time.monotonic(),delay); }; + val every = { i64 period -> everyAt(time.monotonic(),period); }; + val cancel = { i64 id -> + if( id<=0 ) return false; + for( int i=0; i<_ids#; i++ ) if( _ids[i]==id ) { _ids[i]=0; return true; } + return false; + }; + val nextDeadline = { -> + i64 next=-1; + for( int i=0; i<_ids#; i++ ) + if( _ids[i]!=0 && (next<0 || _due[i]<next) ) next=_due[i]; + return next; + }; + // Earliest deadline first; equal deadlines use registration order. + // Repeats skip missed ticks and retain their phase, avoiding bursts/drift. + val poll = { i64 current -> + int slot=-1; + for( int i=0; i<_ids#; i++ ) + if( _ids[i]!=0 && _due[i]<=current && (slot<0 || _due[i]<_due[slot] || + (_due[i]==_due[slot] && _ids[i]<_ids[slot])) ) slot=i; + if( slot<0 ) return -1; + i64 id=_ids[slot], period=_period[slot]; + if( period==0 ) _ids[slot]=0; + else { + i64 steps=(current-_due[slot])/period; + if( steps>=(time.LIMIT-_due[slot])/period ) _ids[slot]=0; + else _due[slot]+=(steps+1)*period; + } + return id; + }; +}; |