X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fmodule.c;h=873d56bc10192521c211dd55cde3de1e0e6f42f2;hp=811d4e40429c713b3619b065fd9776f082e00ae5;hb=756a2c4350162a9a7f930bdc0ec7718ff13ea48c;hpb=d560a27ff8431c678d25ecf4d8190b562a766f41

diff --git a/src/module.c b/src/module.c
index 811d4e4..873d56b 100644
--- a/src/module.c
+++ b/src/module.c
@@ -6,20 +6,34 @@
 #include "php.h"
 #include "php_ini.h"
 #include "ext/standard/info.h"
+#include "zend_exceptions.h"
+#include "zend_constants.h"
+#include "zend_operators.h"
 
 #include "php_psi.h"
 #include "parser.h"
 
-#include "libjit.h"
-#include "libffi.h"
+#if HAVE_LIBJIT
+# include "libjit.h"
+# ifndef HAVE_LIBFFI
+#  define PSI_ENGINE "jit"
+# endif
+#endif
+#if HAVE_LIBFFI
+# include "libffi.h"
+# define PSI_ENGINE "ffi"
+#endif
 
 ZEND_DECLARE_MODULE_GLOBALS(psi);
 
 PHP_INI_BEGIN()
-	STD_PHP_INI_ENTRY("psi.engine", "ffi", PHP_INI_SYSTEM, OnUpdateString, engine, zend_psi_globals, psi_globals)
-	STD_PHP_INI_ENTRY("psi.directory", "psis", PHP_INI_SYSTEM, OnUpdateString, directory, zend_psi_globals, psi_globals)
+	STD_PHP_INI_ENTRY("psi.engine", PSI_ENGINE, PHP_INI_SYSTEM, OnUpdateString, engine, zend_psi_globals, psi_globals)
+	STD_PHP_INI_ENTRY("psi.directory", "psi.d", PHP_INI_SYSTEM, OnUpdateString, directory, zend_psi_globals, psi_globals)
 PHP_INI_END();
 
+static zend_object_handlers psi_object_handlers;
+static zend_class_entry *psi_class_entry;
+
 void psi_error(int type, const char *msg, ...)
 {
 	char buf[0x1000];
@@ -34,99 +48,46 @@ void psi_error(int type, const char *msg, ...)
 
 size_t psi_t_alignment(token_t t)
 {
-	size_t align;
-#define PSI_TAS_D(T) struct PSI_TAS_ ##T { \
-	char c; \
-	T x; \
-}
-#define PSI_TAS_P(T) struct PSI_TAS_ ## T ## _pointer { \
-	char c; \
-	T *x; \
-}
-#define PSI_TAS_C(T) align = offsetof(struct PSI_TAS_ ##T, x)
-#define PSI_TAS_CASE(T) { \
-	PSI_TAS_D(T); \
-	PSI_TAS_C(T); \
-}
+#define PSI_ALIGNOF(T) case PSI_T_## T: return ALIGNOF_## T ##_T;
 	switch (t) {
-	case PSI_T_INT8:
-		PSI_TAS_CASE(int8_t);
-		break;
-	case PSI_T_UINT8:
-		PSI_TAS_CASE(uint8_t);
-		break;
-	case PSI_T_INT16:
-		PSI_TAS_CASE(int16_t);
-		break;
-	case PSI_T_UINT16:
-		PSI_TAS_CASE(uint16_t);
-		break;
-	case PSI_T_INT32:
-		PSI_TAS_CASE(int32_t);
-		break;
-	case PSI_T_UINT32:
-		PSI_TAS_CASE(uint32_t);
-		break;
-	case PSI_T_INT64:
-		PSI_TAS_CASE(int64_t);
-		break;
-	case PSI_T_UINT64:
-		PSI_TAS_CASE(uint64_t);
-		break;
+	PSI_ALIGNOF(INT8);
+	PSI_ALIGNOF(UINT8);
+	PSI_ALIGNOF(INT16);
+	PSI_ALIGNOF(UINT16);
+	PSI_ALIGNOF(INT32);
+	PSI_ALIGNOF(UINT32);
+	PSI_ALIGNOF(INT64);
+	PSI_ALIGNOF(UINT64);
 	case PSI_T_FLOAT:
-		PSI_TAS_CASE(float);
-		break;
+		return ALIGNOF_FLOAT;
 	case PSI_T_DOUBLE:
-		PSI_TAS_CASE(double);
-		break;
+		return ALIGNOF_DOUBLE;
 	case PSI_T_POINTER:
-		{
-			PSI_TAS_P(char);
-			PSI_TAS_C(char_pointer);
-		}
-		break;
+		return ALIGNOF_VOID_P;
 	EMPTY_SWITCH_DEFAULT_CASE();
 	}
-
-	return align;
 }
 
 size_t psi_t_size(token_t t)
 {
-	size_t size;
-
+#define PSI_SIZEOF(T) case PSI_T_## T : return SIZEOF_## T ##_T;
 	switch (t) {
-	case PSI_T_INT8:
-	case PSI_T_UINT8:
-		size = 1;
-		break;
-	case PSI_T_INT16:
-	case PSI_T_UINT16:
-		size = 2;
-		break;
-	case PSI_T_INT:
-		size = sizeof(int);
-		break;
-	case PSI_T_INT32:
-	case PSI_T_UINT32:
-		size = 4;
-		break;
-	case PSI_T_INT64:
-	case PSI_T_UINT64:
-		size = 8;
-		break;
+	PSI_SIZEOF(INT8);
+	PSI_SIZEOF(UINT8);
+	PSI_SIZEOF(INT16);
+	PSI_SIZEOF(UINT16);
+	PSI_SIZEOF(INT32);
+	PSI_SIZEOF(UINT32);
+	PSI_SIZEOF(INT64);
+	PSI_SIZEOF(UINT64);
 	case PSI_T_FLOAT:
-		size = sizeof(float);
-		break;
+		return SIZEOF_FLOAT;
 	case PSI_T_DOUBLE:
-		size = sizeof(double);
-		break;
+		return SIZEOF_DOUBLE;
 	case PSI_T_POINTER:
-		size = sizeof(char *);
-		break;
+		return SIZEOF_VOID_P;
 	EMPTY_SWITCH_DEFAULT_CASE();
 	}
-	return size;
 }
 
 size_t psi_t_align(token_t t, size_t s)
@@ -196,44 +157,80 @@ size_t psi_num_min_args(impl *impl)
 	return n;
 }
 
-void psi_to_bool(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
+void psi_to_void(zval *return_value, set_value *set, impl_val *ret_val)
 {
-	impl_val *v = deref_impl_val(ret_val, var);
+	RETVAL_NULL();
+}
 
-	switch (t) {
-	case PSI_T_FLOAT:
-		RETVAL_DOUBLE((double) v->fval);
-		break;
-	case PSI_T_DOUBLE:
-		RETVAL_DOUBLE(v->dval);
-		break;
-	default:
-		RETVAL_LONG(v->lval);
-		break;
-	}
+void psi_to_bool(zval *return_value, set_value *set, impl_val *ret_val)
+{
+	psi_to_int(return_value, set, ret_val);
 	convert_to_boolean(return_value);
 }
 
-void psi_to_int(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
+void psi_to_int(zval *return_value, set_value *set, impl_val *ret_val)
 {
+	decl_var *var = set->vars->vars[0];
+	token_t t = real_decl_type(var->arg->type)->type;
 	impl_val *v = deref_impl_val(ret_val, var);
 
 	switch (t) {
 	case PSI_T_FLOAT:
 		RETVAL_DOUBLE((double) v->fval);
+		convert_to_long(return_value);
 		break;
 	case PSI_T_DOUBLE:
 		RETVAL_DOUBLE(v->dval);
+		convert_to_long(return_value);
 		break;
-	default:
-		RETVAL_LONG(v->lval);
-		return;
+	case PSI_T_INT8:
+		RETVAL_LONG(v->i8);
+		break;
+	case PSI_T_UINT8:
+		RETVAL_LONG(v->u8);
+		break;
+	case PSI_T_INT16:
+		RETVAL_LONG(v->i16);
+		break;
+	case PSI_T_UINT16:
+		RETVAL_LONG(v->u16);
+		break;
+	case PSI_T_INT32:
+		RETVAL_LONG(v->i32);
+		break;
+	case PSI_T_UINT32:
+#if UINT32_MAX >= ZEND_LONG_MAX
+		if (v->u32 > ZEND_LONG_MAX) {
+			char d[12] = {0};
+
+			RETVAL_STRING(zend_print_ulong_to_buf(&d[10], v->u32));
+		} else {
+#endif
+			RETVAL_LONG(v->u32);
+#if UINT32_MAX >= ZEND_LONG_MAX
+		}
+#endif
+		break;
+	case PSI_T_INT64:
+		RETVAL_LONG(v->i64);
+		break;
+	case PSI_T_UINT64:
+		if (v->u64 > ZEND_LONG_MAX) {
+			char d[24] = {0};
+
+			RETVAL_STRING(zend_print_ulong_to_buf(&d[22], v->u64));
+		} else {
+			RETVAL_LONG(v->u64);
+		}
+		break;
+	EMPTY_SWITCH_DEFAULT_CASE();
 	}
-	convert_to_long(return_value);
 }
 
-void psi_to_double(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
+void psi_to_double(zval *return_value, set_value *set, impl_val *ret_val)
 {
+	decl_var *var = set->vars->vars[0];
+	token_t t = real_decl_type(var->arg->type)->type;
 	impl_val *v = deref_impl_val(ret_val, var);
 
 	switch (t) {
@@ -243,15 +240,41 @@ void psi_to_double(zval *return_value, token_t t, impl_val *ret_val, set_value *
 	case PSI_T_DOUBLE:
 		RETVAL_DOUBLE(v->dval);
 		break;
-	default:
-		RETVAL_DOUBLE((double) v->lval);
+	case PSI_T_INT8:
+		RETVAL_DOUBLE((double) v->i8);
+		break;
+	case PSI_T_UINT8:
+		RETVAL_DOUBLE((double) v->u8);
+		break;
+	case PSI_T_INT16:
+		RETVAL_DOUBLE((double) v->i16);
+		break;
+	case PSI_T_UINT16:
+		RETVAL_DOUBLE((double) v->u16);
 		break;
+	case PSI_T_INT32:
+		RETVAL_DOUBLE((double) v->i32);
+		break;
+	case PSI_T_UINT32:
+		RETVAL_DOUBLE((double) v->u32);
+		break;
+	case PSI_T_INT64:
+		RETVAL_DOUBLE((double) v->i64);
+		break;
+	case PSI_T_UINT64:
+		RETVAL_DOUBLE((double) v->u64);
+		break;
+	EMPTY_SWITCH_DEFAULT_CASE();
 	}
 }
 
-void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
+void psi_to_string(zval *return_value, set_value *set, impl_val *ret_val)
 {
+	decl_var *var = set->vars->vars[0];
+	token_t t = real_decl_type(var->arg->type)->type;
+
 	switch (t) {
+	case PSI_T_VOID:
 	case PSI_T_INT8:
 	case PSI_T_UINT8:
 		if (!var->arg->var->pointer_level) {
@@ -272,19 +295,17 @@ void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, set_value *
 		RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval);
 		break;
 	default:
-		RETVAL_LONG(deref_impl_val(ret_val, var)->lval);
+		psi_to_int(return_value, set, ret_val);
 		break;
 	}
 	convert_to_string(return_value);
 }
 
 
-static impl_val *iterate(impl_val *val, token_t t, unsigned i, impl_val *tmp)
+static impl_val *iterate(impl_val *val, size_t size, unsigned i, impl_val *tmp)
 {
-	size_t size = psi_t_size(t);
-
 	memset(tmp, 0, sizeof(*tmp));
-	memcpy(tmp, val->ptr + size * i, size);
+	memcpy(tmp, ((void*) val->ptr) + size * i, size);
 	return tmp;
 }
 
@@ -338,113 +359,139 @@ void *psi_array_to_struct(decl_struct *s, HashTable *arr)
 	return mem;
 }
 
-void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
+static inline impl_val *struct_member_ref(decl_arg *set_arg, impl_val *struct_ptr, impl_val **to_free) {
+	void *ptr = (char *) struct_ptr->ptr + set_arg->layout->pos;
+	impl_val *val = enref_impl_val(ptr, set_arg->var);
+
+	if (val != ptr) {
+		*to_free = val;
+	}
+
+	return val;
+}
+void psi_to_array(zval *return_value, set_value *set, impl_val *r_val)
 {
-	zval ele;
-	unsigned i;
-	impl_val tmp;
+	size_t i;
+	decl_var *var = set->vars->vars[0];
+	token_t t = real_decl_type(var->arg->type)->type;
+	impl_val tmp, *ret_val = deref_impl_val(r_val, var);
 
 	array_init(return_value);
 
 	if (t == PSI_T_STRUCT) {
-		decl_struct *s = real_decl_type(var->arg->type)->strct;
-		ret_val = deref_impl_val(ret_val, var);
-
-		ZEND_ASSERT(s);
+		// decl_struct *s = real_decl_type(var->arg->type)->strct;
 
 		if (set->count) {
 			/* explicit member casts */
 			for (i = 0; i < set->count; ++i) {
-				zval ztmp;
-				impl_val *tmp_ptr;
 				set_value *sub_set = set->inner[i];
 				decl_var *sub_var = sub_set->vars->vars[0];
-				decl_arg *sub_arg = sub_var->arg;
 
-				if (sub_arg) {
-					token_t t = real_decl_type(sub_arg->type)->type;
-					void *ptr = malloc(sub_arg->layout->len);
+				sub_set->outer.val = r_val;
 
-					memcpy(ptr, (char *) ret_val->ptr + sub_arg->layout->pos,
-							sub_arg->layout->len);
-					tmp_ptr = enref_impl_val(ptr, sub_arg->var);
-					sub_set->func->handler(&ztmp, t, tmp_ptr, sub_set, sub_var);
+				if (sub_var->arg) {
+					impl_val *tmp = NULL, *val;
+					zval ztmp;
+
+					val = deref_impl_val(struct_member_ref(sub_var->arg, ret_val, &tmp), sub_var);
+					sub_set->func->handler(&ztmp, sub_set, val);
 					add_assoc_zval(return_value, sub_var->name, &ztmp);
-					free(tmp_ptr);
-					if (tmp_ptr != ptr) {
-						free(ptr);
+
+					if (tmp) {
+						free(tmp);
 					}
 				}
 			}
 		}
 		return;
+	}
 
-//		for (i = 0; i < s->args->count; ++i) {
-//			decl_arg *darg = s->args->args[i];
-//			impl_val tmp, tmp_ptr;
-//			zval ztmp;
-//			char *ptr = (char *) ret_val->ptr + darg->layout->pos;
-//
-//			tmp_ptr.ptr = &tmp;
-//			memset(&tmp, 0, sizeof(tmp));
-//			memcpy(&tmp, ptr, darg->layout->len);
-//			switch (real_decl_type(darg->type)->type) {
-//			case PSI_T_FLOAT:
-//			case PSI_T_DOUBLE:
-//				psi_to_double(&ztmp, real_decl_type(darg->type)->type, &tmp, darg->var);
-//				break;
-//			case PSI_T_INT8:
-//			case PSI_T_UINT8:
-//				if (darg->var->pointer_level) {
-//					psi_to_string(&ztmp, real_decl_type(darg->type)->type, &tmp_ptr, darg->var);
-//					break;
-//				}
-//				/* no break */
-//			case PSI_T_INT16:
-//			case PSI_T_UINT16:
-//			case PSI_T_INT32:
-//			case PSI_T_UINT32:
-//			case PSI_T_INT64:
-//			case PSI_T_UINT64:
-//				psi_to_int(&ztmp, real_decl_type(darg->type)->type, &tmp, darg->var);
-//				break;
-//			case PSI_T_STRUCT:
-//				psi_to_array(&ztmp, real_decl_type(darg->type)->type, &tmp_ptr, darg->var);
-//				break;
-//			default:
-//				printf("t=%d\n", real_decl_type(darg->type)->type);
-//				abort();
-//			}
-//			add_assoc_zval(return_value, darg->var->name, &ztmp);
-//		}
+	if (var->arg->var->array_size) {
+		/* to_array(foo[NUMBER]) */
+		for (i = 0; i < var->arg->var->array_size; ++i) {
+			size_t size = psi_t_size(var->arg->var->pointer_level > 1 ? PSI_T_POINTER : t);
+			impl_val *ptr = iterate(ret_val, size, i, &tmp);
+			zval ele;
+
+			switch (t) {
+			case PSI_T_FLOAT:
+				ZVAL_DOUBLE(&ele, (double) ptr->fval);
+				break;
+			case PSI_T_DOUBLE:
+				ZVAL_DOUBLE(&ele, ptr->dval);
+				break;
+			default:
+				ZVAL_LONG(&ele, ptr->lval);
+				break;
+			}
+
+			add_next_index_zval(return_value, &ele);
+		}
 		return;
-	}
-	ret_val = deref_impl_val(ret_val, var);
-	for (i = 0; i < var->arg->var->array_size; ++i) {
-		impl_val *ptr = iterate(ret_val, t, i, &tmp);
+	} else if (set->vars->count > 1) {
+		/* to_array(arr_var, cnt_var[, cnt_var...], to_int(*arr_var))
+		 * check for length in second var
+		 */
+		size_t count = 0;
+		zval ele;
 
-		switch (t) {
-		case PSI_T_FLOAT:
-			ZVAL_DOUBLE(&ele, (double) ptr->fval);
-			break;
-		case PSI_T_DOUBLE:
-			ZVAL_DOUBLE(&ele, ptr->dval);
-			break;
-		default:
-			ZVAL_LONG(&ele, ptr->lval);
-			break;
+		if (set->outer.set) {
+			/* struct */
+			for (i = 1; i < set->vars->count; ++i) {
+				impl_val *tmp = NULL, *cnt_val;
+				decl_var *cnt_var = set->vars->vars[i];
+
+				cnt_val = struct_member_ref(cnt_var->arg, set->outer.val, &tmp);
+				count += deref_impl_val(cnt_val, cnt_var)->lval;
+
+				if (tmp) {
+					free(tmp);
+				}
+			}
+		} else {
+			ZEND_ASSERT(0);
 		}
 
-		add_next_index_zval(return_value, &ele);
+		for (i = 0; i < count; ++i) {
+			size_t size = psi_t_size(var->arg->var->pointer_level ? PSI_T_POINTER : t);
+			impl_val *ptr = iterate(ret_val, size, i, &tmp);
+
+			set->inner[0]->func->handler(&ele, set->inner[0], ptr);
+			add_next_index_zval(return_value, &ele);
+		}
+	} else {
+		ZEND_ASSERT(0);
 	}
 }
 
-ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl)
+void psi_to_object(zval *return_value, set_value *set, impl_val *r_val)
+{
+	decl_var *var = set->vars->vars[0];
+	impl_val *ret_val = deref_impl_val(r_val, var);
+	psi_object *obj;
+
+	if (ret_val->ptr) {
+		object_init_ex(return_value, psi_class_entry);
+		obj = PSI_OBJ(return_value, NULL);
+		obj->data = ret_val->ptr;
+	} else {
+		RETVAL_NULL();
+	}
+}
+
+static inline ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl)
 {
 	impl_arg *iarg;
+	zend_error_handling zeh;
+
+	zend_replace_error_handling(EH_THROW, zend_exception_get_default(), &zeh);
 
 	if (!impl->func->args->count) {
-		return zend_parse_parameters_none();
+		ZEND_RESULT_CODE rv;
+
+		rv = zend_parse_parameters_none();
+		zend_restore_error_handling(&zeh);
+		return rv;
 	}
 
 	ZEND_PARSE_PARAMETERS_START(psi_num_min_args(impl), impl->func->args->count)
@@ -483,7 +530,9 @@ ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl)
 			}
 		} else if (PSI_T_ARRAY == iarg->type->type) {
 			/* handled as _zv in let or set */
-			Z_PARAM_PROLOGUE(0);
+			Z_PARAM_ARRAY_EX(iarg->_zv, 1, 0);
+		} else if (PSI_T_OBJECT == iarg->type->type) {
+			Z_PARAM_OBJECT_EX(iarg->_zv, 1, 0);
 		} else {
 			error_code = ZPP_ERROR_FAILURE;
 			break;
@@ -492,27 +541,24 @@ ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl)
 		if (_i < _max_num_args) {
 			goto nextarg;
 		}
-	ZEND_PARSE_PARAMETERS_END_EX(return FAILURE);
+	ZEND_PARSE_PARAMETERS_END_EX(
+		zend_restore_error_handling(&zeh);
+		return FAILURE
+	);
 
+	zend_restore_error_handling(&zeh);
 	return SUCCESS;
 }
 
-void *psi_do_calloc(let_calloc *alloc)
+static inline void *psi_do_calloc(let_calloc *alloc)
 {
-	decl_type *type = real_decl_type(alloc->type);
-	size_t size;
-
-	if (type->type == PSI_T_STRUCT) {
-		/* psi_do_clean expects at least one NULL pointer after the struct */
-		size = type->strct->size + sizeof(void *);
-	} else {
-		size = psi_t_size(type->type);
-	}
-
-	return ecalloc(alloc->n, size);
+	zend_long n = psi_long_num_exp(alloc->nmemb), s = psi_long_num_exp(alloc->size);
+	void *mem = safe_emalloc(n, s, sizeof(void *));
+	memset(mem, 0, n * s + sizeof(void *));
+	return mem;
 }
 
-void *psi_do_let(decl_arg *darg)
+static inline void *psi_do_let(decl_arg *darg)
 {
 	impl_arg *iarg = darg->let->arg;
 	impl_val *arg_val;
@@ -551,6 +597,7 @@ void *psi_do_let(decl_arg *darg)
 				arg_val->lval = zval_get_long(iarg->_zv);
 			}
 			break;
+		case PSI_T_PATHVAL:
 		case PSI_T_STRVAL:
 			if (iarg->type->type == PSI_T_STRING) {
 				arg_val->ptr = estrdup(iarg->val.zend.str->val);
@@ -562,6 +609,12 @@ void *psi_do_let(decl_arg *darg)
 				darg->let->mem = arg_val->ptr;
 				zend_string_release(zs);
 			}
+			if (PSI_T_PATHVAL == darg->let->val->func->type) {
+				if (SUCCESS != php_check_open_basedir(arg_val->ptr)) {
+					efree(arg_val->ptr);
+					return NULL;
+				}
+			}
 			break;
 		case PSI_T_STRLEN:
 			if (iarg->type->type == PSI_T_STRING) {
@@ -585,6 +638,18 @@ void *psi_do_let(decl_arg *darg)
 				}
 			}
 			break;
+		case PSI_T_OBJVAL:
+			if (iarg->type->type == PSI_T_OBJECT) {
+				psi_object *obj;
+
+				if (!instanceof_function(Z_OBJCE_P(iarg->_zv), psi_class_entry)) {
+					return NULL;
+				}
+
+				obj = PSI_OBJ(iarg->_zv, NULL);
+				arg_val->ptr = obj->data;
+			}
+			break;
 		EMPTY_SWITCH_DEFAULT_CASE();
 		}
 	}
@@ -596,28 +661,23 @@ void *psi_do_let(decl_arg *darg)
 	}
 }
 
-void psi_do_set(zval *return_value, set_value *set)
+static inline void psi_do_set(zval *return_value, set_value *set)
 {
-	impl_val *val = (impl_val *) &set->vars->vars[0]->arg->let->ptr;
-	token_t t = real_decl_type(set->vars->vars[0]->arg->type)->type;
-
 	ZVAL_DEREF(return_value);
 	zval_dtor(return_value);
 
-	set->func->handler(return_value, t, val, set, set->vars->vars[0]);
+	set->func->handler(return_value, set, set->vars->vars[0]->arg->let->ptr);
 }
 
-void psi_do_return(zval *return_value, return_stmt *ret, impl_val *ret_val)
+static inline void psi_do_return(zval *return_value, return_stmt *ret, impl_val *ret_val)
 {
-	token_t t = real_decl_type(ret->decl->type)->type;
-
-	ret->set->func->handler(return_value, t, ret_val, ret->set, ret->decl->var);
+	ret->set->func->handler(return_value, ret->set, ret_val);
 }
 
-void psi_do_free(free_stmt *fre)
+static inline void psi_do_free(free_stmt *fre)
 {
 	size_t i, j;
-	impl_val dummy, *argps[0x20];
+	impl_val dummy;
 
 	for (i = 0; i < fre->calls->count; ++i) {
 		free_call *f = fre->calls->list[i];
@@ -626,14 +686,15 @@ void psi_do_free(free_stmt *fre)
 			decl_var *dvar = f->vars->vars[j];
 			decl_arg *darg = dvar->arg;
 
-			argps[j] = &darg->let->out;
+			f->decl->call.args[j] = &darg->let->out;
 		}
 
-		PSI_ContextCall(&PSI_G(context), &dummy, f->decl, argps);
+		/* FIXME: check in validate_* that free functions return scalar */
+		PSI_ContextCall(&PSI_G(context), &dummy, f->decl);
 	}
 }
 
-void psi_do_clean(impl *impl)
+static inline void psi_do_clean(impl *impl)
 {
 	size_t i;
 
@@ -668,21 +729,238 @@ void psi_do_clean(impl *impl)
 	}
 }
 
+
+#define PSI_CALC_OP(var) res->var = PSI_CALC(v1->var, v2->var)
+#define PSI_CALC_OP2(vres, var1, var2) res->vres = PSI_CALC(v1->var1, v2->var2)
+
+int psi_calc_plus(unsigned char t1, impl_val *v1, unsigned char t2, impl_val *v2, impl_val *res)
+{
+#undef PSI_CALC
+#define PSI_CALC(var1, var2) (var1) + (var2)
+	if (t1 == t2) {
+		switch (t1) {
+		case PSI_T_FLOAT:	PSI_CALC_OP(fval);	break;
+		case PSI_T_DOUBLE:	PSI_CALC_OP(dval);	break;
+		case PSI_T_INT8:	PSI_CALC_OP(i8);	break;
+		case PSI_T_UINT8:	PSI_CALC_OP(u8);	break;
+		case PSI_T_INT16:	PSI_CALC_OP(i16);	break;
+		case PSI_T_UINT16:	PSI_CALC_OP(u16);	break;
+		case PSI_T_INT32:	PSI_CALC_OP(i32);	break;
+		case PSI_T_UINT32:	PSI_CALC_OP(u32);	break;
+		case PSI_T_INT64:	PSI_CALC_OP(i64);	break;
+		case PSI_T_UINT64:	PSI_CALC_OP(u64);	break;
+		EMPTY_SWITCH_DEFAULT_CASE();
+		}
+		return t1;
+	} else if (t1 == PSI_T_DOUBLE) {
+		switch (t2) {
+		case PSI_T_FLOAT:	PSI_CALC_OP2(dval, dval, fval);	break;
+		case PSI_T_INT8:	PSI_CALC_OP2(dval, dval, i8);	break;
+		case PSI_T_UINT8:	PSI_CALC_OP2(dval, dval, u8);	break;
+		case PSI_T_INT16:	PSI_CALC_OP2(dval, dval, i16);	break;
+		case PSI_T_UINT16:	PSI_CALC_OP2(dval, dval, u16);	break;
+		case PSI_T_INT32:	PSI_CALC_OP2(dval, dval, i32);	break;
+		case PSI_T_UINT32:	PSI_CALC_OP2(dval, dval, u32);	break;
+		case PSI_T_INT64:	PSI_CALC_OP2(dval, dval, i64);	break;
+		case PSI_T_UINT64:	PSI_CALC_OP2(dval, dval, u64);	break;
+		EMPTY_SWITCH_DEFAULT_CASE();
+		}
+		return t1;
+	} else if (t2 == PSI_T_DOUBLE) {
+		switch (t1) {
+		case PSI_T_FLOAT:	PSI_CALC_OP2(dval, fval, dval);	break;
+		case PSI_T_INT8:	PSI_CALC_OP2(dval, i8, dval);	break;
+		case PSI_T_UINT8:	PSI_CALC_OP2(dval, u8, dval);	break;
+		case PSI_T_INT16:	PSI_CALC_OP2(dval, i16, dval);	break;
+		case PSI_T_UINT16:	PSI_CALC_OP2(dval, u16, dval);	break;
+		case PSI_T_INT32:	PSI_CALC_OP2(dval, i32, dval);	break;
+		case PSI_T_UINT32:	PSI_CALC_OP2(dval, u32, dval);	break;
+		case PSI_T_INT64:	PSI_CALC_OP2(dval, i64, dval);	break;
+		case PSI_T_UINT64:	PSI_CALC_OP2(dval, u64, dval);	break;
+		EMPTY_SWITCH_DEFAULT_CASE();
+		}
+		return t2;
+	} else if (t1 == PSI_T_FLOAT) {
+		switch (t2) {
+		case PSI_T_DOUBLE:	PSI_CALC_OP2(dval, fval, dval);	return t2;
+		case PSI_T_INT8:	PSI_CALC_OP2(fval, fval, i8);	break;
+		case PSI_T_UINT8:	PSI_CALC_OP2(fval, fval, u8);	break;
+		case PSI_T_INT16:	PSI_CALC_OP2(fval, fval, i16);	break;
+		case PSI_T_UINT16:	PSI_CALC_OP2(fval, fval, u16);	break;
+		case PSI_T_INT32:	PSI_CALC_OP2(fval, fval, i32);	break;
+		case PSI_T_UINT32:	PSI_CALC_OP2(fval, fval, u32);	break;
+		case PSI_T_INT64:	PSI_CALC_OP2(fval, fval, i64);	break;
+		case PSI_T_UINT64:	PSI_CALC_OP2(fval, fval, u64);	break;
+		EMPTY_SWITCH_DEFAULT_CASE();
+		}
+		return t1;
+	} else if (t2 == PSI_T_FLOAT) {
+		switch (t1) {
+		case PSI_T_DOUBLE:	PSI_CALC_OP2(dval, dval, fval);	return t1;
+		case PSI_T_INT8:	PSI_CALC_OP2(fval, i8, fval);	break;
+		case PSI_T_UINT8:	PSI_CALC_OP2(fval, u8, fval);	break;
+		case PSI_T_INT16:	PSI_CALC_OP2(fval, i16, fval);	break;
+		case PSI_T_UINT16:	PSI_CALC_OP2(fval, u16, fval);	break;
+		case PSI_T_INT32:	PSI_CALC_OP2(fval, i32, fval);	break;
+		case PSI_T_UINT32:	PSI_CALC_OP2(fval, u32, fval);	break;
+		case PSI_T_INT64:	PSI_CALC_OP2(fval, i64, fval);	break;
+		case PSI_T_UINT64:	PSI_CALC_OP2(fval, u64, fval);	break;
+		EMPTY_SWITCH_DEFAULT_CASE();
+		}
+		return t2;
+	} else {
+		int64_t sval1 = v1->i64, sval2 = v2->i64;
+		uint64_t uval1 = v1->u64, uval2 = v2->u64;
+
+		switch (t1) {
+		case PSI_T_INT8:	sval1 >>= 8;
+		case PSI_T_INT16:	sval1 >>= 8;
+		case PSI_T_INT32:	sval1 >>= 8;
+		case PSI_T_INT64:
+			switch (t2) {
+			case PSI_T_INT8:	sval2 >>= 8;
+			case PSI_T_INT16:	sval2 >>= 8;
+			case PSI_T_INT32:	sval2 >>= 8;
+			case PSI_T_INT64:
+				res->i64 = PSI_CALC(sval1 , sval2);
+				return PSI_T_INT64;
+			case PSI_T_UINT8:	uval2 >>= 8;
+			case PSI_T_UINT16:	uval2 >>= 8;
+			case PSI_T_UINT32:	uval2 >>= 8;
+			case PSI_T_UINT64:
+				res->i64 = PSI_CALC(sval1, uval2);
+				return PSI_T_INT64;
+			}
+			break;
+		case PSI_T_UINT8:	uval1 >>= 8;
+		case PSI_T_UINT16:	uval1 >>= 8;
+		case PSI_T_UINT32:	uval1 >>= 8;
+		case PSI_T_UINT64:
+			switch (t2) {
+			case PSI_T_INT8:	sval2 >>= 8;
+			case PSI_T_INT16:	sval2 >>= 8;
+			case PSI_T_INT32:	sval2 >>= 8;
+			case PSI_T_INT64:
+				res->i64 = PSI_CALC(uval1, sval2);
+				return PSI_T_INT64;
+			case PSI_T_UINT8:	uval2 >>= 8;
+			case PSI_T_UINT16:	uval2 >>= 8;
+			case PSI_T_UINT32:	uval2 >>= 8;
+			case PSI_T_UINT64:
+				res->u64 = PSI_CALC(uval1, uval2);
+				return PSI_T_UINT64;
+			}
+			break;
+		}
+	}
+	ZEND_ASSERT(0);
+	return 0;
+}
+
+void psi_call(zend_execute_data *execute_data, zval *return_value, impl *impl)
+{
+	impl_val ret_val;
+	size_t i;
+
+	if (SUCCESS != psi_parse_args(execute_data, impl)) {
+		return;
+	}
+
+	if (impl->decl->args) {
+		for (i = 0; i < impl->decl->args->count; ++i) {
+			decl_arg *darg = impl->decl->args->args[i];
+
+			if (!(impl->decl->call.args[i] = psi_do_let(darg))) {
+				goto cleanup;
+			}
+		}
+	}
+
+	memset(&ret_val, 0, sizeof(ret_val));
+	PSI_ContextCall(&PSI_G(context), &ret_val, impl->decl);
+
+	psi_do_return(return_value, impl->stmts->ret.list[0], &ret_val);
+
+	for (i = 0; i < impl->stmts->set.count; ++i) {
+		set_stmt *set = impl->stmts->set.list[i];
+
+		if (set->arg->_zv) {
+			psi_do_set(set->arg->_zv, set->val);
+		}
+	}
+
+	for (i = 0; i < impl->stmts->fre.count; ++i) {
+		free_stmt *fre = impl->stmts->fre.list[i];
+
+		psi_do_free(fre);
+	}
+	psi_do_clean(impl);
+	return;
+
+cleanup:
+	memset(&ret_val, 0, sizeof(ret_val));
+	psi_do_return(return_value, impl->stmts->ret.list[0], &ret_val);
+	psi_do_clean(impl);
+}
+
+static void psi_object_free(zend_object *o)
+{
+	psi_object *obj = PSI_OBJ(NULL, o);
+
+	if (obj->data) {
+		// free(obj->data);
+		obj->data = NULL;
+	}
+	zend_object_std_dtor(o);
+}
+
+static zend_object *psi_object_init(zend_class_entry *ce)
+{
+	psi_object *o = ecalloc(1, sizeof(*o) + zend_object_properties_size(ce));
+
+	zend_object_std_init(&o->std, ce);
+	object_properties_init(&o->std, ce);
+	o->std.handlers = &psi_object_handlers;
+	return &o->std;
+}
+
 PHP_MINIT_FUNCTION(psi)
 {
-	PSI_ContextOps *ops;
+	PSI_ContextOps *ops = NULL;
+	zend_class_entry ce = {0};
 
 	REGISTER_INI_ENTRIES();
 
+	INIT_NS_CLASS_ENTRY(ce, "psi", "object", NULL);
+	psi_class_entry = zend_register_internal_class_ex(&ce, NULL);
+	psi_class_entry->create_object = psi_object_init;
+
+	memcpy(&psi_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+	psi_object_handlers.offset = XtOffsetOf(psi_object, std);
+	psi_object_handlers.free_obj = psi_object_free;
+	psi_object_handlers.clone_obj = NULL;
+
+#ifdef HAVE_LIBJIT
 	if (!strcasecmp(PSI_G(engine), "jit")) {
 		ops = PSI_Libjit();
-	} else {
+	} else
+#endif
+#ifdef HAVE_LIBFFI
 		ops = PSI_Libffi();
+#endif
+
+	if (!ops) {
+		php_error(E_WARNING, "No PSI engine found");
+		return FAILURE;
 	}
 
 	PSI_ContextInit(&PSI_G(context), ops, psi_error);
 	PSI_ContextBuild(&PSI_G(context), PSI_G(directory));
 
+	if (psi_check_env("PSI_DUMP")) {
+		PSI_ContextDump(&PSI_G(context), STDOUT_FILENO);
+	}
+
 	return SUCCESS;
 }
 PHP_MSHUTDOWN_FUNCTION(psi)