#include "ext/standard/info.h"
#include "php_psi.h"
+#include "parser.h"
#include "libjit.h"
+#include "libffi.h"
ZEND_DECLARE_MODULE_GLOBALS(psi);
PHP_INI_BEGIN()
- STD_PHP_INI_ENTRY("psi.directory", "psis", PHP_INI_ALL, OnUpdateString, directory, zend_psi_globals, psi_globals)
+ 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();
void psi_error(int type, const char *msg, ...)
php_error(type, buf);
}
+int psi_internal_type(impl_type *type)
+{
+ switch (type->type) {
+ case PSI_T_BOOL:
+ return _IS_BOOL;
+ case PSI_T_INT:
+ case PSI_T_LONG:
+ 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;
+ }
+}
+
+zend_internal_arg_info *psi_internal_arginfo(impl *impl)
+{
+ size_t i;
+ zend_internal_arg_info *aip;
+ zend_internal_function_info *fi;
+
+ aip = calloc(impl->func->args->count + 1, sizeof(*aip));
+
+ 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);
+
+ 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];
+
+ 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;
+ }
+ }
+
+ return aip;
+}
+
+size_t psi_num_min_args(impl *impl)
+{
+ size_t i, n = impl->func->args->count;
+
+ for (i = 0; i < impl->func->args->count; ++i) {
+ if (impl->func->args->args[i]->def) {
+ --n;
+ }
+ }
+ return n;
+}
+
+void psi_to_int(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+{
+ switch (t) {
+ case PSI_T_FLOAT:
+ RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->fval);
+ convert_to_long(return_value);
+ break;
+ case PSI_T_DOUBLE:
+ RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval);
+ convert_to_long(return_value);
+ break;
+ default:
+ RETVAL_LONG(deref_impl_val(ret_val, var)->lval);
+ }
+}
+
+void psi_to_double(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+{
+ switch (t) {
+ 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_DOUBLE((double) deref_impl_val(ret_val, var)->lval);
+ break;
+ }
+}
+
+void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+{
+ switch (t) {
+ case PSI_T_CHAR:
+ case PSI_T_SINT8:
+ case PSI_T_UINT8:
+ if (var->pointer_level == var->arg->var->pointer_level) {
+ RETVAL_STRINGL(&ret_val->cval, 1);
+ } else {
+ ret_val = deref_impl_val(ret_val, var);
+ if (ret_val->ptr) {
+ RETVAL_STRING(ret_val->ptr);
+ } else {
+ RETVAL_EMPTY_STRING();
+ }
+ }
+ break;
+ case PSI_T_FLOAT:
+ RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->fval);
+ convert_to_string(return_value);
+ break;
+ case PSI_T_DOUBLE:
+ RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval);
+ convert_to_string(return_value);
+ break;
+ default:
+ RETVAL_LONG(deref_impl_val(ret_val, var)->lval);
+ convert_to_string(return_value);
+ break;
+ }
+}
+
+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); \
+}
+ switch (t) {
+ case PSI_T_CHAR:
+ PSI_TAS_CASE(char);
+ break;
+ case PSI_T_SINT8:
+ PSI_TAS_CASE(int8_t);
+ break;
+ case PSI_T_UINT8:
+ PSI_TAS_CASE(uint8_t);
+ break;
+ case PSI_T_SHORT:
+ PSI_TAS_CASE(short);
+ break;
+ case PSI_T_SINT16:
+ PSI_TAS_CASE(int16_t);
+ break;
+ case PSI_T_UINT16:
+ PSI_TAS_CASE(uint16_t);
+ break;
+ case PSI_T_INT:
+ PSI_TAS_CASE(int);
+ break;
+ case PSI_T_SINT32:
+ PSI_TAS_CASE(int32_t);
+ break;
+ case PSI_T_UINT32:
+ PSI_TAS_CASE(uint32_t);
+ break;
+ case PSI_T_LONG:
+ PSI_TAS_CASE(long);
+ break;
+ case PSI_T_SINT64:
+ 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_SIZE_T:
+ PSI_TAS_CASE(size_t);
+ break;
+ case PSI_T_POINTER:
+ {
+ PSI_TAS_P(char);
+ PSI_TAS_C(char_pointer);
+ }
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+
+ return align;
+}
+
+size_t psi_t_size(token_t t)
+{
+ size_t size;
+
+ switch (t) {
+ case PSI_T_CHAR:
+ size = sizeof(char);
+ break;
+ case PSI_T_SINT8:
+ case PSI_T_UINT8:
+ size = 1;
+ break;
+ case PSI_T_SHORT:
+ size = sizeof(short);
+ break;
+ case PSI_T_SINT16:
+ case PSI_T_UINT16:
+ size = 2;
+ break;
+ case PSI_T_INT:
+ size = sizeof(int);
+ break;
+ case PSI_T_SINT32:
+ case PSI_T_UINT32:
+ size = 4;
+ break;
+ case PSI_T_LONG:
+ size = sizeof(long);
+ break;
+ case PSI_T_SINT64:
+ 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_SIZE_T:
+ size = sizeof(size_t);
+ break;
+ case PSI_T_POINTER:
+ size = sizeof(char *);
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+ return size;
+}
+
+size_t psi_t_align(token_t t, size_t s)
+{
+ size_t a = psi_t_alignment(t);
+ return ((s - 1) | (a - 1)) + 1;
+}
+
+static impl_val *iterate(impl_val *val, token_t t, unsigned i, impl_val *tmp)
+{
+ size_t size = psi_t_size(t);
+
+ memset(tmp, 0, sizeof(*tmp));
+ memcpy(tmp, val->ptr + size * i, size);
+ return tmp;
+}
+
+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_CHAR:
+ case PSI_T_SINT8:
+ 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;
+ }
+ default:
+ mem->zend.lval = zval_get_long(zv);
+ break;
+ }
+}
+
+void *psi_array_to_struct(decl_struct *s, HashTable *arr)
+{
+ size_t i, j = 0, size = decl_struct_size(s);
+ char *mem = ecalloc(1, size + s->args->count * sizeof(void *));
+
+ for (i = 0; i < s->args->count; ++i) {
+ decl_struct_layout *layout = &s->layout[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 + layout->pos, &val, layout->len);
+ if (tmp) {
+ ((void **)(mem + size))[j++] = tmp;
+ }
+ }
+ }
+ return mem;
+}
+
+void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+{
+ 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);
+ for (i = 0; i < s->args->count; ++i) {
+ decl_arg *darg = s->args->args[i];
+ decl_struct_layout layout = s->layout[i];
+ impl_val tmp;
+ zval ztmp;
+ char *ptr = (char *) ret_val->ptr + layout.pos;
+
+ memset(&tmp, 0, sizeof(tmp));
+ memcpy(&tmp, ptr, layout.len);
+ switch (real_decl_type(darg->type)->type) {
+ case PSI_T_CHAR:
+ if (darg->var->pointer_level) {
+ psi_to_string(&ztmp, real_decl_type(darg->type)->type, &tmp, darg->var);
+ break;
+ }
+ /* nobreak */
+ case PSI_T_INT:
+ case PSI_T_LONG:
+ psi_to_int(&ztmp, real_decl_type(darg->type)->type, &tmp, darg->var);
+ break;
+ default:
+ printf("t=%d\n", real_decl_type(darg->type)->type);
+ abort();
+ }
+ add_assoc_zval(return_value, darg->var->name, &ztmp);
+ }
+ 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);
+ }
+}
+
+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();
+ }
+
+ 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 || PSI_T_LONG == 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);
+
+ return SUCCESS;
+}
+
+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 a NULL pointer after the struct */
+ size = decl_struct_size(type->strct) + sizeof(void *);
+ } else {
+ size = psi_t_size(type->type);
+ }
+
+ return ecalloc(alloc->n, size);
+}
+
+impl_val *psi_do_let(decl_arg *darg)
+{
+ impl_val *arg_val = &darg->let->out;
+ impl_arg *iarg = darg->let->arg;
+
+ if (!iarg) {
+ /* let foo = calloc(1, long);
+ * let foo = NULL;
+ * let foo;
+ */
+ if (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));
+ }
+ return arg_val;
+ }
+
+ 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 || iarg->type->type == PSI_T_LONG) {
+ 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();
+ }
+
+ return arg_val;
+}
+
+void psi_do_set(zval *return_value, set_func *func, decl_vars *vars)
+{
+ impl_val *val = (impl_val *) &vars->vars[0]->arg->let->ptr;
+
+ ZVAL_DEREF(return_value);
+ zval_dtor(return_value);
+
+ switch (func->type) {
+ case PSI_T_TO_STRING:
+ psi_to_string(return_value, real_decl_type(vars->vars[0]->arg->type)->type, val, vars->vars[0]);
+ break;
+ case PSI_T_TO_ARRAY:
+ psi_to_array(return_value, real_decl_type(vars->vars[0]->arg->type)->type, val, vars->vars[0]);
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+}
+
+void psi_do_return(impl *impl, impl_val *ret_val, zval *return_value)
+{
+ switch (impl->stmts->ret.list[0]->func->type) {
+ case PSI_T_TO_STRING:
+ psi_to_string(return_value, real_decl_type(impl->decl->func->type)->type, ret_val, impl->decl->func->var);
+ break;
+ case PSI_T_TO_INT:
+ psi_to_int(return_value, real_decl_type(impl->decl->func->type)->type, ret_val, impl->decl->func->var);
+ break;
+ case PSI_T_TO_ARRAY:
+ psi_to_array(return_value, real_decl_type(impl->decl->func->type)->type, ret_val, impl->decl->func->var);
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+}
+
+void psi_do_free(free_stmt *fre)
+{
+ size_t i;
+
+ for (i = 0; i < fre->vars->count; ++i) {
+ decl_var *dvar = fre->vars->vars[i];
+
+ if (dvar->arg && dvar->arg->let->out.ptr) {
+ free(dvar->arg->let->out.ptr);
+ dvar->arg->let->out.ptr = NULL;
+ }
+ }
+}
+
+void psi_do_clean(impl *impl)
+{
+ size_t i;
+
+ for (i = 0; i < impl->func->args->count; ++i ) {
+ impl_arg *iarg = impl->func->args->args[i];
+
+ switch (iarg->type->type) {
+ case PSI_T_STRING:
+ if (iarg->val.zend.str) {
+ zend_string_release(iarg->val.zend.str);
+ }
+ break;
+ }
+ }
+
+ if (impl->decl->args) for (i = 0; i < impl->decl->args->count; ++i) {
+ decl_arg *darg = impl->decl->args->args[i];
+
+ if (darg->let && darg->let->mem) {
+ decl_type *type = real_decl_type(darg->type);
+
+ if (type->type == PSI_T_STRUCT) {
+ size_t eos = decl_struct_size(type->strct);
+ void **ptr = (void **) ((char *) darg->let->mem + eos);
+
+ while (*ptr) {
+ efree(*ptr++);
+ }
+ }
+ efree(darg->let->mem);
+ darg->let->mem = NULL;
+ }
+ }
+}
+
PHP_MINIT_FUNCTION(psi)
{
+ PSI_ContextOps *ops;
+
REGISTER_INI_ENTRIES();
- PSI_ContextInit(&PSI_G(context), PSI_Libjit(), psi_error);
+ if (!strcasecmp(PSI_G(engine), "jit")) {
+ ops = PSI_Libjit();
+ } else {
+ ops = PSI_Libffi();
+ }
+
+ PSI_ContextInit(&PSI_G(context), ops, psi_error);
PSI_ContextBuild(&PSI_G(context), PSI_G(directory));
return SUCCESS;
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