X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fmodule.c;h=5ff4b50e3b4ef5035a468101f00012b892908fb5;hp=b8d23008ffcaa4f73139b92224c29f9631234636;hb=c0873cbbe9e5a83305adbc2bbd94aede5437f33d;hpb=3c53642a0adccd4b602d147833da24eb4b73bccc

diff --git a/src/module.c b/src/module.c
index b8d2300..5ff4b50 100644
--- a/src/module.c
+++ b/src/module.c
@@ -1,735 +1,518 @@
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+     * Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+     * Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#include "php_psi_stdinc.h"
 
 #include "php.h"
 #include "php_ini.h"
 #include "ext/standard/info.h"
+#include "zend_constants.h"
+#include "zend_operators.h"
 
 #include "php_psi.h"
+#include "token.h"
 #include "parser.h"
+#include "cpp.h"
+
+#define PSI_CPP_SEARCH
+#include "php_psi_cpp.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)
-PHP_INI_END();
+//#define ZEND_INI_MH(name) int name(zend_ini_entry *entry, zend_string *new_value, void *mh_arg1, void *mh_arg2, void *mh_arg3, int stage)
 
-void psi_error(int type, const char *msg, ...)
+static void OnUpdateBlacklist(const char *str, void (*cb)(const char*, size_t))
 {
-	char buf[0x1000];
-	va_list argv;
+	const char *end;
 
-	va_start(argv, msg);
-	vslprintf(buf, 0x1000, msg, argv);
-	va_end(argv);
+	do {
+		size_t len;
+
+		end = strchr(str, ',');
+		if (end) {
+			len = end - str;
+		} else {
+			len = strlen(str);
+		}
+		if (len) {
+			cb(str, len);
+		}
 
-	php_error(type, buf);
+		str = end + 1;
+	} while (end);
 }
 
-size_t psi_t_alignment(token_t t)
+static void psi_blacklist_add_decl(const char *pattern, size_t len);
+static ZEND_INI_MH(OnUpdateBlacklistedDecls)
 {
-	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); \
+	OnUpdateBlacklist(new_value->val, psi_blacklist_add_decl);
+	return SUCCESS;
 }
-	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;
-	case PSI_T_FLOAT:
-		PSI_TAS_CASE(float);
-		break;
-	case PSI_T_DOUBLE:
-		PSI_TAS_CASE(double);
-		break;
-	case PSI_T_POINTER:
-		{
-			PSI_TAS_P(char);
-			PSI_TAS_C(char_pointer);
-		}
-		break;
-	EMPTY_SWITCH_DEFAULT_CASE();
-	}
 
-	return align;
+static void psi_blacklist_add_var(const char *pattern, size_t len);
+static ZEND_INI_MH(OnUpdateBlacklistedVars)
+{
+	OnUpdateBlacklist(new_value->val, psi_blacklist_add_var);
+	return SUCCESS;
 }
 
-size_t psi_t_size(token_t t)
+static void OnDisplayBlacklist(struct psi_plist *bl)
 {
-	size_t size;
-
-	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;
-	case PSI_T_FLOAT:
-		size = sizeof(float);
-		break;
-	case PSI_T_DOUBLE:
-		size = sizeof(double);
-		break;
-	case PSI_T_POINTER:
-		size = sizeof(char *);
-		break;
-	EMPTY_SWITCH_DEFAULT_CASE();
+	size_t i = 0;
+	char *item;
+
+	while (psi_plist_get(bl, i++, &item)) {
+		if (i > 1) {
+			PUTS(",");
+		}
+		PUTS(item);
 	}
-	return size;
 }
-
-size_t psi_t_align(token_t t, size_t s)
+static ZEND_INI_DISP(OnDisplayBlacklistedDecls)
 {
-	size_t a = psi_t_alignment(t);
-	return ((s - 1) | (a - 1)) + 1;
+	OnDisplayBlacklist(PSI_G(blacklist).decls);
 }
-
-int psi_internal_type(impl_type *type)
+static ZEND_INI_DISP(OnDisplayBlacklistedVars)
 {
-	switch (type->type) {
-	case PSI_T_BOOL:
-		return _IS_BOOL;
-	case PSI_T_INT:
-		return IS_LONG;
-	case PSI_T_FLOAT:
-	case PSI_T_DOUBLE:
-		return IS_DOUBLE;
-	case PSI_T_STRING:
-		return IS_STRING;
-	case PSI_T_ARRAY:
-		return IS_ARRAY;
-	default:
-		return 0;
-	}
+	OnDisplayBlacklist(PSI_G(blacklist).vars);
 }
 
-zend_internal_arg_info *psi_internal_arginfo(impl *impl)
-{
-	size_t i;
-	zend_internal_arg_info *aip;
-	zend_internal_function_info *fi;
+PHP_INI_BEGIN()
+	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_ENTRY_EX("psi.blacklist.decls", "", PHP_INI_SYSTEM, OnUpdateBlacklistedDecls, OnDisplayBlacklistedDecls)
+	PHP_INI_ENTRY_EX("psi.blacklist.vars", "", PHP_INI_SYSTEM, OnUpdateBlacklistedVars, OnDisplayBlacklistedVars)
+PHP_INI_END();
 
-	aip = calloc(impl->func->args->count + 1, sizeof(*aip));
+static zend_object_handlers psi_object_handlers;
+static zend_class_entry *psi_class_entry;
 
-	fi = (zend_internal_function_info *) &aip[0];
-	fi->required_num_args = psi_num_min_args(impl);
-	fi->return_reference = impl->func->return_reference;
-	fi->type_hint = psi_internal_type(impl->func->return_type);
+zend_class_entry *psi_object_get_class_entry()
+{
+	return psi_class_entry;
+}
 
-	for (i = 0; i < impl->func->args->count; ++i) {
-		impl_arg *iarg = impl->func->args->args[i];
-		zend_internal_arg_info *ai = &aip[i+1];
+static void psi_object_free(zend_object *o)
+{
+	psi_object *obj = PSI_OBJ(NULL, o);
 
-		ai->name = iarg->var->name;
-		ai->type_hint = psi_internal_type(iarg->type);
-		if (iarg->var->reference) {
-			ai->pass_by_reference = 1;
-		}
-		if (iarg->var->reference || (iarg->def && iarg->def->type == PSI_T_NULL)) {
-			ai->allow_null = 1;
+	if (obj->data) {
+		if (obj->dtor) {
+			obj->dtor(obj->data);
 		}
+		obj->data = NULL;
 	}
-
-	return aip;
+	zend_object_std_dtor(o);
 }
 
-size_t psi_num_min_args(impl *impl)
+zend_object *psi_object_init_ex(zend_class_entry *ce, void *data, void (*dtor)(void *))
 {
-	size_t i, n = impl->func->args->count;
+	psi_object *o;
 
-	for (i = 0; i < impl->func->args->count; ++i) {
-		if (impl->func->args->args[i]->def) {
-			--n;
-		}
+	if (!ce) {
+		ce = psi_class_entry;
 	}
-	return n;
+
+	o = ecalloc(1, sizeof(*o) + zend_object_properties_size(ce));
+
+	o->data = data;
+	o->dtor = dtor;
+
+	zend_object_std_init(&o->std, ce);
+	object_properties_init(&o->std, ce);
+	o->std.handlers = &psi_object_handlers;
+	return &o->std;
 }
 
-void psi_to_bool(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
+zend_object *psi_object_init(zend_class_entry *ce)
 {
-	impl_val *v = deref_impl_val(ret_val, var);
-
-	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;
-	}
-	convert_to_boolean(return_value);
+	return psi_object_init_ex(ce, NULL, NULL);
 }
 
-void psi_to_int(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
+ZEND_BEGIN_ARG_INFO_EX(ai_psi_dump, 0, 0, 0)
+	ZEND_ARG_INFO(0, stream)
+ZEND_END_ARG_INFO();
+static PHP_FUNCTION(psi_dump)
 {
-	impl_val *v = deref_impl_val(ret_val, var);
-
-	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);
+	php_stream *s;
+	zval *r = NULL;
+	int fd = STDOUT_FILENO;
+
+	if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS(), "|r!", &r)) {
 		return;
 	}
-	convert_to_long(return_value);
-}
+	if (r) {
+		php_stream_from_zval(s, r);
 
-void psi_to_double(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
-{
-	impl_val *v = deref_impl_val(ret_val, var);
-
-	switch (t) {
-	case PSI_T_FLOAT:
-		RETVAL_DOUBLE((double) v->fval);
-		break;
-	case PSI_T_DOUBLE:
-		RETVAL_DOUBLE(v->dval);
-		break;
-	default:
-		RETVAL_DOUBLE((double) v->lval);
-		break;
+		if (SUCCESS != php_stream_cast(s, PHP_STREAM_AS_FD | PHP_STREAM_CAST_INTERNAL, (void **)&fd, 1)) {
+			RETURN_FALSE;
+		}
 	}
+	psi_context_dump(PSI_G(context), fd);
 }
 
-void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
+ZEND_BEGIN_ARG_INFO_EX(ai_psi_validate, 0, 0, 1)
+	ZEND_ARG_INFO(0, file)
+	ZEND_ARG_INFO(0, flags)
+	ZEND_ARG_INFO(1, errcnt)
+ZEND_END_ARG_INFO();
+static PHP_FUNCTION(psi_validate)
 {
-	switch (t) {
-	case PSI_T_INT8:
-	case PSI_T_UINT8:
-		if (!var->arg->var->pointer_level) {
-			RETVAL_STRINGL(&ret_val->cval, 1);
-		} else {
-			ret_val = deref_impl_val(ret_val, var);
-			if (ret_val && ret_val->ptr) {
-				RETVAL_STRING(ret_val->ptr);
-			} else {
-				RETVAL_EMPTY_STRING();
-			}
-		}
+	zend_string *file;
+	struct psi_parser_input *I;
+	struct psi_parser P;
+	struct psi_data D = {0};
+	struct psi_validate_scope S = {0};
+	zend_long flags = 0;
+	zval *errcnt = NULL;
+
+#if PHP_DEBUG
+	if (psi_check_env("PSI_DEBUG")) {
+		flags |= PSI_DEBUG;
+	}
+#endif
+
+	if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS(), "P|lz", &file, &flags, &errcnt)) {
 		return;
-	case PSI_T_FLOAT:
-		RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->fval);
-		break;
-	case PSI_T_DOUBLE:
-		RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval);
-		break;
-	default:
-		RETVAL_LONG(deref_impl_val(ret_val, var)->lval);
-		break;
 	}
-	convert_to_string(return_value);
-}
 
+	if (!psi_parser_init(&P, psi_error_wrapper, flags)) {
+		RETURN_FALSE;
+	}
+	if (!(I = psi_parser_open_file(&P, file->val, true))) {
+		psi_parser_dtor(&P);
+		RETURN_FALSE;
+	}
 
-static impl_val *iterate(impl_val *val, token_t t, unsigned i, impl_val *tmp)
-{
-	size_t size = psi_t_size(t);
+	psi_parser_parse(&P, I);
+	psi_data_ctor(&D, P.error, P.flags);
+	psi_validate_scope_ctor(&S);
+	S.defs = &P.preproc->defs;
 
-	memset(tmp, 0, sizeof(*tmp));
-	memcpy(tmp, val->ptr + size * i, size);
-	return tmp;
-}
+	RETVAL_BOOL(psi_validate(&S, &D, PSI_DATA(&P)));
 
-void psi_from_zval(impl_val *mem, decl_arg *spec, zval *zv, void **tmp)
-{
-	decl_type *type = real_decl_type(spec->type);
-
-	switch (type->type) {
-	case PSI_T_FLOAT:
-		mem->fval = (float) zval_get_double(zv);
-		break;
-	case PSI_T_DOUBLE:
-		mem->dval = zval_get_double(zv);
-		break;
-	case PSI_T_INT8:
-	case PSI_T_UINT8:
-		if (spec->var->pointer_level) {
-			zend_string *zs = zval_get_string(zv);
-			*tmp = mem->ptr = estrndup(zs->val, zs->len);
-			zend_string_release(zs);
-			break;
-		}
-		/* no break */
-	default:
-		mem->zend.lval = zval_get_long(zv);
-		break;
+	if (errcnt) {
+		ZVAL_DEREF(errcnt);
+		convert_to_long(errcnt);
+		ZVAL_LONG(errcnt, P.errors);
 	}
-}
 
-void *psi_array_to_struct(decl_struct *s, HashTable *arr)
-{
-	size_t i, j = 0;
-	char *mem = ecalloc(1, s->size + s->args->count * sizeof(void *));
-
-	if (arr) for (i = 0; i < s->args->count; ++i) {
-		decl_arg *darg = s->args->args[i];
-		zval *entry = zend_hash_str_find_ind(arr, darg->var->name, strlen(darg->var->name));
-
-		if (entry) {
-			impl_val val;
-			void *tmp = NULL;
-
-			memset(&tmp, 0, sizeof(tmp));
-			psi_from_zval(&val, darg, entry, &tmp);
-			memcpy(mem + darg->layout->pos, &val, darg->layout->len);
-			if (tmp) {
-				((void **)(mem + s->size))[j++] = tmp;
-			}
-		}
-	}
-	return mem;
+	psi_validate_scope_dtor(&S);
+	psi_data_dtor(&D);
+	psi_parser_dtor(&P);
+	psi_parser_input_free(&I);
 }
 
-void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
+ZEND_BEGIN_ARG_INFO_EX(ai_psi_validate_string, 0, 0, 1)
+	ZEND_ARG_INFO(0, string)
+	ZEND_ARG_INFO(0, flags)
+	ZEND_ARG_INFO(1, errcnt)
+ZEND_END_ARG_INFO();
+static PHP_FUNCTION(psi_validate_string)
 {
-	zval ele;
-	unsigned i;
-	impl_val tmp;
-
-	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);
-
-		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;
-				token_t t = real_decl_type(sub_arg->type)->type;
-				void *ptr = malloc(sub_arg->layout->len);
-
-				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);
-				add_assoc_zval(return_value, sub_var->name, &ztmp);
-				free(tmp_ptr);
-				if (tmp_ptr != ptr) {
-					free(ptr);
-				}
-			}
-		}
-		return;
+	zend_string *string;
+	struct psi_parser_input *I;
+	struct psi_parser P;
+	struct psi_data D = {0};
+	struct psi_validate_scope S = {0};
+	zend_long flags = 0;
+	zval *errcnt = NULL;
+
+#if PHP_DEBUG
+	if (psi_check_env("PSI_DEBUG")) {
+		flags |= PSI_DEBUG;
+	}
+#endif
 
-//		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 (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS(), "S|lz", &string, &flags, &errcnt)) {
 		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);
-
-		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);
+	if (!psi_parser_init(&P, psi_error_wrapper, flags)) {
+		RETURN_FALSE;
 	}
-}
-
-ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl)
-{
-	impl_arg *iarg;
-
-	if (!impl->func->args->count) {
-		return zend_parse_parameters_none();
+	if (!(I = psi_parser_open_string(&P, string->val, string->len))) {
+		psi_parser_dtor(&P);
+		RETURN_FALSE;
 	}
 
-	ZEND_PARSE_PARAMETERS_START(psi_num_min_args(impl), impl->func->args->count)
-	nextarg:
-		iarg = impl->func->args->args[_i];
-		if (iarg->def) {
-			Z_PARAM_OPTIONAL;
-		}
-		if (PSI_T_BOOL == iarg->type->type) {
-			if (iarg->def) {
-				iarg->val.zend.bval = iarg->def->type == PSI_T_TRUE ? 1 : 0;
-			}
-			Z_PARAM_BOOL(iarg->val.zend.bval);
-		} else if (PSI_T_INT == iarg->type->type) {
-			if (iarg->def) {
-				iarg->val.zend.lval = zend_atol(iarg->def->text, strlen(iarg->def->text));
-			}
-			Z_PARAM_LONG(iarg->val.zend.lval);
-		} else if (PSI_T_FLOAT == iarg->type->type || PSI_T_DOUBLE == iarg->type->type) {
-			if (iarg->def) {
-				iarg->val.dval = zend_strtod(iarg->def->text, NULL);
-			}
-			Z_PARAM_DOUBLE(iarg->val.dval);
-		} else if (PSI_T_STRING == iarg->type->type) {
-			struct {char *val; size_t len;} str;
-			if (iarg->def) {
-				/* FIXME */
-				str.len = strlen(iarg->def->text) - 2;
-				str.val = &iarg->def->text[1];
-			}
-			Z_PARAM_STR_EX(iarg->val.zend.str, 1, 0);
-			if (iarg->val.zend.str) {
-				zend_string_addref(iarg->val.zend.str);
-			} else if (iarg->def) {
-				iarg->val.zend.str = zend_string_init(str.val, str.len, 0);
-			}
-		} else if (PSI_T_ARRAY == iarg->type->type) {
-			/* handled as _zv in let or set */
-			Z_PARAM_PROLOGUE(0);
-		} else {
-			error_code = ZPP_ERROR_FAILURE;
-			break;
-		}
-		iarg->_zv = _arg;
-		if (_i < _max_num_args) {
-			goto nextarg;
-		}
-	ZEND_PARSE_PARAMETERS_END_EX(return FAILURE);
+	psi_parser_parse(&P, I);
+	psi_data_ctor(&D, P.error, P.flags);
+	psi_validate_scope_ctor(&S);
+	S.defs = &P.preproc->defs;
 
-	return SUCCESS;
-}
+	RETVAL_BOOL(psi_validate(&S, &D, PSI_DATA(&P)));
 
-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);
+	if (errcnt) {
+		ZVAL_DEREF(errcnt);
+		convert_to_long(errcnt);
+		ZVAL_LONG(errcnt, P.errors);
 	}
 
-	return ecalloc(alloc->n, size);
+	psi_validate_scope_dtor(&S);
+	psi_data_dtor(&D);
+	psi_parser_dtor(&P);
+	psi_parser_input_free(&I);
 }
 
-void *psi_do_let(decl_arg *darg)
+static ZEND_RESULT_CODE psi_ops_load()
 {
-	impl_arg *iarg = darg->let->arg;
-	impl_val *arg_val;
-
-	darg->let->ptr = &darg->let->out;
-	arg_val = darg->let->ptr;
-
-	if (!iarg) {
-		/* let foo = calloc(1, long);
-		 * let foo = NULL;
-		 * let foo;
-		 */
-		if (darg->let->val->func && darg->let->val->func->type == PSI_T_CALLOC) {
-			arg_val->ptr = psi_do_calloc(darg->let->val->func->alloc);
-			darg->let->mem = arg_val->ptr;
-		} else if (darg->var->array_size) {
-			arg_val->ptr = ecalloc(darg->var->array_size, sizeof(*arg_val));
-			darg->let->mem = arg_val->ptr;
-		} else {
-			memset(arg_val, 0, sizeof(*arg_val));
-		}
-	} else {
-
-		switch (darg->let->val->func->type) {
-		case PSI_T_BOOLVAL:
-			if (iarg->type->type == PSI_T_BOOL) {
-				arg_val->cval = iarg->val.zend.bval;
-			} else {
-				arg_val->cval = zend_is_true(iarg->_zv);
-			}
-			break;
-		case PSI_T_INTVAL:
-			if (iarg->type->type == PSI_T_INT) {
-				arg_val->lval = iarg->val.zend.lval;
-			} else {
-				arg_val->lval = zval_get_long(iarg->_zv);
-			}
-			break;
-		case PSI_T_STRVAL:
-			if (iarg->type->type == PSI_T_STRING) {
-				arg_val->ptr = estrdup(iarg->val.zend.str->val);
-				darg->let->mem = arg_val->ptr;
-				zend_string_release(iarg->val.zend.str);
-			} else {
-				zend_string *zs = zval_get_string(iarg->_zv);
-				arg_val->ptr = estrdup(zs->val);
-				darg->let->mem = arg_val->ptr;
-				zend_string_release(zs);
-			}
-			break;
-		case PSI_T_STRLEN:
-			if (iarg->type->type == PSI_T_STRING) {
-				arg_val->lval = iarg->val.zend.str->len;
-				zend_string_release(iarg->val.zend.str);
-			} else {
-				zend_string *zs = zval_get_string(iarg->_zv);
-				arg_val->lval = zs->len;
-				zend_string_release(zs);
-			}
-			break;
-		case PSI_T_ARRVAL:
-			if (iarg->type->type == PSI_T_ARRAY) {
-				decl_type *type = real_decl_type(darg->type);
-
-				switch (type->type) {
-				case PSI_T_STRUCT:
-					arg_val->ptr = psi_array_to_struct(type->strct, HASH_OF(iarg->_zv));
-					darg->let->mem = arg_val->ptr;
-					break;
-				}
-			}
-			break;
-		EMPTY_SWITCH_DEFAULT_CASE();
-		}
+	struct psi_context_ops *ops = NULL;
+#ifdef HAVE_LIBJIT
+	if (!strcasecmp(PSI_G(engine), "jit")) {
+		ops = psi_libjit_ops();
+	} else
+#endif
+#ifdef HAVE_LIBFFI
+		ops = psi_libffi_ops();
+#endif
+
+	if (!ops) {
+		php_error(E_WARNING, "No PSI engine found");
+		return FAILURE;
 	}
 
-	if (darg->let->val && darg->let->val->is_reference) {
-		return &darg->let->ptr;
-	} else {
-		return darg->let->ptr;
+	PSI_G(ops) = ops;
+	if (ops->load) {
+		return ops->load();
 	}
+	return SUCCESS;
 }
 
-void psi_do_set(zval *return_value, set_value *set)
+PHP_MINIT_FUNCTION(psi_cpp);
+static PHP_MINIT_FUNCTION(psi)
 {
-	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;
+	zend_class_entry ce = {0};
+	unsigned flags = 0;
 
-	ZVAL_DEREF(return_value);
-	zval_dtor(return_value);
+	REGISTER_INI_ENTRIES();
 
-	set->func->handler(return_value, t, val, set, set->vars->vars[0]);
-}
+	zend_register_long_constant(ZEND_STRL("PSI_DEBUG"), PSI_DEBUG, CONST_CS|CONST_PERSISTENT, module_number);
+	zend_register_long_constant(ZEND_STRL("PSI_SILENT"), PSI_SILENT, CONST_CS|CONST_PERSISTENT, module_number);
 
-void psi_do_return(zval *return_value, return_stmt *ret, impl_val *ret_val)
-{
-	token_t t = real_decl_type(ret->decl->type)->type;
+	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;
 
-	ret->set->func->handler(return_value, t, ret_val, ret->set, ret->decl->var);
-}
+	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;
 
-void psi_do_free(free_stmt *fre)
-{
-	size_t i;
+	if (SUCCESS != PHP_MINIT(psi_cpp)(type, module_number)) {
+		return FAILURE;
+	}
 
-	for (i = 0; i < fre->vars->count; ++i) {
-		decl_var *dvar = fre->vars->vars[i];
+	if (SUCCESS != psi_ops_load()) {
+		return FAILURE;
+	}
 
-		if (dvar->arg && dvar->arg->let->out.ptr) {
-			free(dvar->arg->let->out.ptr);
-			dvar->arg->let->out.ptr = NULL;
-		}
+	if (psi_check_env("PSI_DEBUG")) {
+		flags |= PSI_DEBUG;
 	}
+	if (psi_check_env("PSI_SILENT")) {
+		flags |= PSI_SILENT;
+	}
+
+	PSI_G(search_path) = pemalloc(strlen(PSI_G(directory)) + strlen(psi_cpp_search) + 1 + 1, 1);
+	sprintf(PSI_G(search_path), "%s:%s", PSI_G(directory), psi_cpp_search);
+
+	PSI_G(context) = psi_context_init(NULL, PSI_G(ops), psi_error_wrapper, flags);
+	psi_context_build(PSI_G(context), PSI_G(directory));
+
+	return SUCCESS;
 }
 
-void psi_do_clean(impl *impl)
+PHP_MSHUTDOWN_FUNCTION(psi_cpp);
+static PHP_MSHUTDOWN_FUNCTION(psi)
 {
-	size_t i;
+	if (psi_check_env("PSI_DUMP")) {
+		psi_context_dump(PSI_G(context), STDOUT_FILENO);
+	}
 
-	for (i = 0; i < impl->func->args->count; ++i ) {
-		impl_arg *iarg = impl->func->args->args[i];
+	psi_context_free(&PSI_G(context));
 
-		switch (iarg->type->type) {
-		case PSI_T_STRING:
-			if (iarg->val.zend.str) {
-				zend_string_release(iarg->val.zend.str);
-			}
-			break;
-		}
+	if (PSI_G(ops)->free) {
+		PSI_G(ops)->free();
 	}
 
-	if (impl->decl->args) for (i = 0; i < impl->decl->args->count; ++i) {
-		decl_arg *darg = impl->decl->args->args[i];
+	PHP_MSHUTDOWN(psi_cpp)(type, module_number);
 
-		if (darg->let && darg->let->mem) {
-			decl_type *type = real_decl_type(darg->type);
-
-			if (type->type == PSI_T_STRUCT) {
-				void **ptr = (void **) ((char *) darg->let->mem + type->strct->size);
+	UNREGISTER_INI_ENTRIES();
 
-				while (*ptr) {
-					efree(*ptr++);
-				}
-			}
-			efree(darg->let->mem);
-			darg->let->mem = NULL;
-		}
-	}
+	return SUCCESS;
 }
 
-PHP_MINIT_FUNCTION(psi)
+#if defined(COMPILE_DL_PSI) && defined(ZTS)
+static PHP_RINIT_FUNCTION(psi)
 {
-	PSI_ContextOps *ops;
-
-	REGISTER_INI_ENTRIES();
+	ZEND_TSRMLS_CACHE_UPDATE();
+	return SUCCESS;
+}
+#endif
 
-	if (!strcasecmp(PSI_G(engine), "jit")) {
-		ops = PSI_Libjit();
-	} else {
-		ops = PSI_Libffi();
-	}
+static PHP_MINFO_FUNCTION(psi)
+{
+	php_info_print_table_start();
+	php_info_print_table_header(2, "PSI Support", "enabled");
+	php_info_print_table_row(2, "Extension Version", PHP_PSI_VERSION);
+	php_info_print_table_row(2, "Search Path", PSI_G(search_path));
+	php_info_print_table_end();
 
-	PSI_ContextInit(&PSI_G(context), ops, psi_error);
-	PSI_ContextBuild(&PSI_G(context), PSI_G(directory));
+	php_info_print_table_start();
+	php_info_print_table_header(3, "Used Library", "Compiled", "Linked");
+	php_info_print_table_row(3, "libffi",
+#ifndef PHP_PSI_LIBFFI_VERSION
+# define PHP_PSI_LIBFFI_VERSION "unknown"
+#endif
+#ifdef HAVE_LIBFFI
+			PHP_PSI_LIBFFI_VERSION, "unknown"
+#else
+			"disabled", "disabled"
+#endif
+	);
+	php_info_print_table_row(3, "libjit",
+#ifdef HAVE_LIBJIT
+			"unknown", "unknown"
+#else
+			"disabled", "disabled"
+#endif
+	);
 
-	return SUCCESS;
+	DISPLAY_INI_ENTRIES();
 }
-PHP_MSHUTDOWN_FUNCTION(psi)
+
+static void ptr_free(void *ptr)
 {
-	PSI_ContextDtor(&PSI_G(context));
+	free(*(void **) ptr);
+}
 
-	UNREGISTER_INI_ENTRIES();
+static void psi_blacklist_add_decl(const char *pattern, size_t len)
+{
+	char *tmp = strndup(pattern, len);
+	struct psi_plist **decls = &PSI_G(blacklist).decls;
 
-	return SUCCESS;
+	*decls = psi_plist_add(*decls, &tmp);
 }
 
-/* Remove if there's nothing to do at request start */
-/* {{{ PHP_RINIT_FUNCTION
- */
-PHP_RINIT_FUNCTION(psi)
+static void psi_blacklist_add_var(const char *pattern, size_t len)
 {
-#if defined(COMPILE_DL_PSI) && defined(ZTS)
-	ZEND_TSRMLS_CACHE_UPDATE();
-#endif
-	return SUCCESS;
+	char *tmp = strndup(pattern, len);
+	struct psi_plist **vars = &PSI_G(blacklist).vars;
+
+	*vars = psi_plist_add(*vars, &tmp);
 }
-/* }}} */
 
-/* Remove if there's nothing to do at request end */
-/* {{{ PHP_RSHUTDOWN_FUNCTION
- */
-PHP_RSHUTDOWN_FUNCTION(psi)
+static PHP_GINIT_FUNCTION(psi)
 {
-	return SUCCESS;
+	char *tmp;
+	struct psi_plist **bl_decls = &psi_globals->blacklist.decls;
+	struct psi_plist **bl_vars = &psi_globals->blacklist.vars;
+
+	*bl_decls = psi_plist_init(ptr_free);
+	*bl_vars = psi_plist_init(ptr_free);
+
+#define BL_ADD(D, d) \
+	tmp = strdup(d); \
+	*D = psi_plist_add(*D, &tmp)
+#define BL_DECL_ADD(d) BL_ADD(bl_decls, d)
+#define BL_VAR_ADD(d) BL_ADD(bl_vars, d)
+
+	BL_DECL_ADD("dlsym");
+	BL_DECL_ADD("alloca");
+	BL_DECL_ADD("atexit");
+	BL_DECL_ADD("at_quick_exit");
+
+	/* missing */
+	BL_DECL_ADD("_IO_cookie_init");
+	BL_DECL_ADD("bindresvport6");
+
+	/* va_list as arg */
+	BL_DECL_ADD("*v*printf");
+	BL_DECL_ADD("*v*scanf");
+	BL_DECL_ADD("vsyslog");
+
+	/* LFS/LFO for 32bit */
+	BL_DECL_ADD("*stat*64");
+	BL_DECL_ADD("*glob*64");
+	/* Hurd only */
+	BL_DECL_ADD("getumask");
+
+	/* using hidden structs */
+	BL_VAR_ADD("_IO_2_*");
 }
-/* }}} */
 
-PHP_MINFO_FUNCTION(psi)
+static PHP_GSHUTDOWN_FUNCTION(psi)
 {
-	php_info_print_table_start();
-	php_info_print_table_header(2, "psi support", "enabled");
-	php_info_print_table_end();
-
-	DISPLAY_INI_ENTRIES();
+	psi_plist_free(psi_globals->blacklist.decls);
 }
-const zend_function_entry psi_functions[] = {
+
+static const zend_function_entry psi_functions[] = {
+	PHP_FE(psi_dump, ai_psi_dump)
+	PHP_FE(psi_validate, ai_psi_validate)
+	PHP_FE(psi_validate_string, ai_psi_validate_string)
 	PHP_FE_END
 };
 
+static const zend_module_dep psi_deps[] = {
+	ZEND_MOD_REQUIRED("standard")
+	{0}
+};
+
 zend_module_entry psi_module_entry = {
-	STANDARD_MODULE_HEADER,
+	STANDARD_MODULE_HEADER_EX,
+	NULL,
+	psi_deps,
 	"psi",
 	psi_functions,
 	PHP_MINIT(psi),
 	PHP_MSHUTDOWN(psi),
+#if defined(COMPILE_DL_PSI) && defined(ZTS)
 	PHP_RINIT(psi),		/* Replace with NULL if there's nothing to do at request start */
-	PHP_RSHUTDOWN(psi),	/* Replace with NULL if there's nothing to do at request end */
+#else
+	NULL,
+#endif
+	NULL,
 	PHP_MINFO(psi),
 	PHP_PSI_VERSION,
-	STANDARD_MODULE_PROPERTIES
+	ZEND_MODULE_GLOBALS(psi),
+	PHP_GINIT(psi),
+	PHP_GSHUTDOWN(psi),
+	NULL, /* post-deactivate */
+	STANDARD_MODULE_PROPERTIES_EX
 };
 
 #ifdef COMPILE_DL_PSI