cleanup
[m6w6/ext-psi] / src / module.c
index 3b4a643e2710986b92039992a167990dee058421..20b25ead45afe0d7b248dbc82c3aea537b1cee3f 100644 (file)
 #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();
 
 void psi_error(int type, const char *msg, ...)
@@ -32,6 +40,109 @@ void psi_error(int type, const char *msg, ...)
        php_error(type, buf);
 }
 
+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_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;
+}
+
+size_t psi_t_size(token_t t)
+{
+       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();
+       }
+       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;
+}
+
 int psi_internal_type(impl_type *type)
 {
        switch (type->type) {
@@ -93,38 +204,60 @@ size_t psi_num_min_args(impl *impl)
        return n;
 }
 
-void psi_to_int(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+void psi_to_bool(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) deref_impl_val(ret_val, var)->fval);
-               convert_to_long(return_value);
+               RETVAL_DOUBLE((double) v->fval);
                break;
        case PSI_T_DOUBLE:
-               RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval);
-               convert_to_long(return_value);
+               RETVAL_DOUBLE(v->dval);
                break;
        default:
-               RETVAL_LONG(deref_impl_val(ret_val, var)->lval);
+               RETVAL_LONG(v->lval);
+               break;
        }
+       convert_to_boolean(return_value);
 }
 
-void psi_to_double(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+void psi_to_int(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) deref_impl_val(ret_val, var)->fval);
+               RETVAL_DOUBLE((double) v->fval);
                break;
        case PSI_T_DOUBLE:
-               RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval);
+               RETVAL_DOUBLE(v->dval);
                break;
        default:
-               RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->lval);
+               RETVAL_LONG(v->lval);
+               return;
+       }
+       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)
+{
+       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;
        }
 }
 
-void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, decl_var *var)
+void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
 {
        switch (t) {
        case PSI_T_INT8:
@@ -139,124 +272,20 @@ void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, decl_var *v
                                RETVAL_EMPTY_STRING();
                        }
                }
-               break;
+               return;
        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_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;
+       convert_to_string(return_value);
 }
 
-size_t psi_t_size(token_t t)
-{
-       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();
-       }
-       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)
 {
@@ -317,7 +346,7 @@ 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, decl_var *var)
+void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var)
 {
        zval ele;
        unsigned i;
@@ -330,41 +359,73 @@ void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, decl_var *va
                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];
-                       impl_val tmp;
-                       zval ztmp;
-                       char *ptr = (char *) ret_val->ptr + darg->layout->pos;
 
-                       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, darg->var);
-                                       break;
+               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);
+
+                                       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);
+                                       }
                                }
-                               /* 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;
-                       default:
-                               printf("t=%d\n", real_decl_type(darg->type)->type);
-                               abort();
                        }
-                       add_assoc_zval(return_value, darg->var->name, &ztmp);
                }
                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);
+//             }
+               return;
        }
        ret_val = deref_impl_val(ret_val, var);
        for (i = 0; i < var->arg->var->array_size; ++i) {
@@ -386,7 +447,7 @@ void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, decl_var *va
        }
 }
 
-ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl)
+static inline ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl)
 {
        impl_arg *iarg;
 
@@ -444,7 +505,7 @@ ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl)
        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;
@@ -459,7 +520,7 @@ void *psi_do_calloc(let_calloc *alloc)
        return ecalloc(alloc->n, size);
 }
 
-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;
@@ -543,57 +604,45 @@ void *psi_do_let(decl_arg *darg)
        }
 }
 
-void psi_do_set(zval *return_value, set_func *func, decl_vars *vars)
+static inline void psi_do_set(zval *return_value, set_value *set)
 {
-       impl_val *val = (impl_val *) &vars->vars[0]->arg->let->ptr;
+       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);
 
-       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();
-       }
+       set->func->handler(return_value, t, val, set, set->vars->vars[0]);
 }
 
-void psi_do_return(impl *impl, impl_val *ret_val, zval *return_value)
+static inline void psi_do_return(zval *return_value, return_stmt *ret, impl_val *ret_val)
 {
-       return_stmt *ret = impl->stmts->ret.list[0];
+       token_t t = real_decl_type(ret->decl->type)->type;
 
-       switch (ret->func->type) {
-       case PSI_T_TO_STRING:
-               psi_to_string(return_value, real_decl_type(impl->decl->func->type)->type, ret_val, ret->decl);
-               break;
-       case PSI_T_TO_INT:
-               psi_to_int(return_value, real_decl_type(impl->decl->func->type)->type, ret_val, ret->decl);
-               break;
-       case PSI_T_TO_ARRAY:
-               psi_to_array(return_value, real_decl_type(impl->decl->func->type)->type, ret_val, ret->decl);
-               break;
-       EMPTY_SWITCH_DEFAULT_CASE();
-       }
+       ret->set->func->handler(return_value, t, ret_val, ret->set, ret->decl->var);
 }
 
-void psi_do_free(free_stmt *fre)
+static inline void psi_do_free(free_stmt *fre)
 {
-       size_t i;
+       size_t i, j;
+       impl_val dummy;
+
+       for (i = 0; i < fre->calls->count; ++i) {
+               free_call *f = fre->calls->list[i];
 
-       for (i = 0; i < fre->vars->count; ++i) {
-               decl_var *dvar = fre->vars->vars[i];
+               for (j = 0; j < f->vars->count; ++j) {
+                       decl_var *dvar = f->vars->vars[j];
+                       decl_arg *darg = dvar->arg;
 
-               if (dvar->arg && dvar->arg->let->out.ptr) {
-                       free(dvar->arg->let->out.ptr);
-                       dvar->arg->let->out.ptr = NULL;
+                       f->decl->call.args[j] = &darg->let->out;
                }
+
+               /* 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;
 
@@ -628,16 +677,63 @@ void psi_do_clean(impl *impl)
        }
 }
 
+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];
+
+                       impl->decl->call.args[i] = psi_do_let(darg);
+               }
+       }
+
+       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);
+}
+
 PHP_MINIT_FUNCTION(psi)
 {
-       PSI_ContextOps *ops;
+       PSI_ContextOps *ops = NULL;
 
        REGISTER_INI_ENTRIES();
 
+#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);