prosperon/source/engine/jsffi.h

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#ifndef FFI_H
#define FFI_H
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#include "quickjs/quickjs.h"
#include "HandmadeMath.h"
#include <stdarg.h>
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#define MIST_CFUNC_DEF(name, length, func1) { name, JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE | JS_PROP_ENUMERABLE, JS_DEF_CFUNC, 0, .u = { .func = { length, JS_CFUNC_generic, { .generic = func1 } } } }
#define MIST_FUNC_DEF(TYPE, FN, LEN) MIST_CFUNC_DEF(#FN, LEN, js_##TYPE##_##FN)
#define GETFN(ID, ENTRY, TYPE) JSC_CCALL(ID##_##ENTRY, return TYPE##2js(js2##ID (this)->ENTRY))
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#define JS_SETSIG JSContext *js, JSValue this, JSValue val
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#define JSC_SCALL(NAME, FN) JSC_CCALL(NAME, \
const char *str = js2str(argv[0]); \
FN ; \
JS_FreeCString(js,str); \
) \
#define JSC_SSCALL(NAME, FN) JSC_CCALL(NAME, \
const char *str = js2str(argv[0]); \
const char *str2 = js2str(argv[1]); \
FN ; \
JS_FreeCString(js,str2); \
JS_FreeCString(js,str); \
) \
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#define MIST_CGETSET_BASE(name, fgetter, fsetter, props) { name, props, JS_DEF_CGETSET, 0, .u = { .getset = { .get = { .getter = fgetter }, .set = { .setter = fsetter } } } }
#define MIST_CGETSET_DEF(name, fgetter, fsetter) MIST_CGETSET_BASE(name, fgetter, fsetter, JS_PROP_CONFIGURABLE | JS_PROP_ENUMERABLE)
#define MIST_CGETET_HID(name, fgetter, fsetter) MIST_CGETSET_BASE(name, fgetter, fsetter, JS_PROP_CONFIGURABLE)
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#define MIST_GET(name, fgetter) { #fgetter , JS_PROP_CONFIGURABLE | JS_PROP_ENUMERABLE, JS_DEF_CGETSET, 0, .u = { .getset = { .get = { .getter = js_##name##_get_##fgetter } } } }
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#define CGETSET_ADD_NAME(ID, ENTRY, NAME) MIST_CGETSET_DEF(#NAME, js_##ID##_get_##ENTRY, js_##ID##_set_##ENTRY)
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#define CGETSET_ADD(ID, ENTRY) MIST_CGETSET_DEF(#ENTRY, js_##ID##_get_##ENTRY, js_##ID##_set_##ENTRY)
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#define CGETSET_ADD_HID(ID, ENTRY) MIST_CGETSET_BASE(#ENTRY, js_##ID##_get_##ENTRY, js_##ID##_set_##ENTRY, JS_PROP_CONFIGURABLE)
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#define JSC_CCALL(NAME, FN) JSValue js_##NAME (JSContext *js, JSValue this, int argc, JSValue *argv) { \
JSValue ret = JS_UNDEFINED; \
{FN;} \
return ret; \
} \
#define GETSETPAIR(ID, ENTRY, TYPE, FN) \
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JSValue js_##ID##_set_##ENTRY (JS_SETSIG) { \
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js2##ID (this)->ENTRY = js2##TYPE (val); \
{FN;} \
return JS_UNDEFINED; \
} \
\
JSValue js_##ID##_get_##ENTRY (JSContext *js, JSValue this) { \
return TYPE##2js(js2##ID (this)->ENTRY); \
} \
#define JSC_GETSET(ID, ENTRY, TYPE) GETSETPAIR( ID , ENTRY , TYPE , ; )
#define JSC_GETSET_APPLY(ID, ENTRY, TYPE) GETSETPAIR(ID, ENTRY, TYPE, ID##_apply(js2##ID (this));)
#define JSC_GETSET_HOOK(ID, ENTRY) GETSETPAIR(ID, ENTRY, JSValue, ;)
#define JSC_GETSET_GLOBAL(ENTRY, TYPE) \
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JSValue js_global_set_##ENTRY (JS_SETSIG) { \
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ENTRY = js2##TYPE (val); \
return JS_UNDEFINED; \
} \
\
JSValue js_global_get_##ENTRY (JSContext *js, JSValue this) { \
return TYPE##2js(ENTRY); \
} \
#define JSC_GETSET_BODY(ENTRY, CPENTRY, TYPE) \
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JSValue js_gameobject_set_##ENTRY (JS_SETSIG) { \
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cpBody *b = js2gameobject(this)->body; \
cpBodySet##CPENTRY (b, js2##TYPE (val)); \
return JS_UNDEFINED; \
} \
\
JSValue js_gameobject_get_##ENTRY (JSContext *js, JSValue this) { \
cpBody *b = js2gameobject(this)->body; \
return TYPE##2js (cpBodyGet##CPENTRY (b)); \
} \
#define JSC_GET(ID, ENTRY, TYPE) \
JSValue js_##ID##_get_##ENTRY (JSContext *js, JSValue this) { \
return TYPE##2js(js2##ID (this)->ENTRY); } \
#define QJSCLASS(TYPE)\
static JSClassID js_##TYPE##_id;\
static void js_##TYPE##_finalizer(JSRuntime *rt, JSValue val){\
TYPE *n = JS_GetOpaque(val, js_##TYPE##_id);\
YughSpam("Freeing " #TYPE " at %p", n); \
TYPE##_free(n);}\
static JSClassDef js_##TYPE##_class = {\
#TYPE,\
.finalizer = js_##TYPE##_finalizer,\
};\
static TYPE *js2##TYPE (JSValue val) { return JS_GetOpaque(val,js_##TYPE##_id); }\
static JSValue TYPE##2js(TYPE *n) { \
JSValue j = JS_NewObjectClass(js,js_##TYPE##_id);\
YughSpam("Created " #TYPE " at %p", n); \
JS_SetOpaque(j,n);\
return j; }\
\
static JSValue js_##TYPE##_memid (JSContext *js, JSValue this) { return str2js("%p", js2##TYPE(this)); } \
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#define QJSGLOBALCLASS(NAME) \
JSValue NAME = JS_NewObject(js); \
JS_SetPropertyFunctionList(js, NAME, js_##NAME##_funcs, countof(js_##NAME##_funcs)); \
JS_SetPropertyStr(js, globalThis, #NAME, NAME); \
#define QJSCLASSPREP(TYPE) \
JS_NewClassID(&js_##TYPE##_id);\
JS_NewClass(JS_GetRuntime(js), js_##TYPE##_id, &js_##TYPE##_class);\
/* Defines a class and uses its function list as its prototype */
#define QJSCLASSPREP_FUNCS(TYPE) \
QJSCLASSPREP(TYPE); \
JSValue TYPE##_proto = JS_NewObject(js); \
JS_SetPropertyFunctionList(js, TYPE##_proto, js_##TYPE##_funcs, countof(js_##TYPE##_funcs)); \
JS_SetPropertyStr(js, TYPE##_proto, "memid", JS_NewCFunction(js, &js_##TYPE##_memid, "memid", 0)); \
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JS_SetClassProto(js, js_##TYPE##_id, TYPE##_proto); \
#define countof(x) (sizeof(x)/sizeof((x)[0]))
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void ffi_load();
JSValue vec22js(HMM_Vec2 v);
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HMM_Vec2 js2vec2(JSValue v);
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JSValue bitmask2js(cpBitmask mask);
cpBitmask js2bitmask(JSValue v);
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int js_print_exception(JSValue v);
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struct rgba js2color(JSValue v);
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double js2number(JSValue v);
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JSValue number2js(double g);
JSValue str2js(const char *c, ...);
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void nota_int(char *blob);
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JSValue js_getpropidx(JSValue v, uint32_t i);
JSValue js_getpropstr(JSValue v, const char *str);
const char *js2str(JSValue v);
void jsfreestr(const char *str);
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int js_arrlen(JSValue v);
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#endif