cleanup
[m6w6/ext-psi] / src / libjit.c
index 5c4a7b9313c1f4cebcebc15234264ce666561c87..6e2760d113f9d9001d0cf3f6d370257a52f34dcc 100644 (file)
@@ -1,87 +1,52 @@
-#include "php.h"
-#include "libjit.h"
-#include "parser_proc.h"
-
-static void init(PSI_Context *C)
-{
-       C->opaque = jit_context_create();
-}
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
 
-static void dtor(PSI_Context *C)
-{
-       jit_context_destroy(C->opaque);
-}
-
-typedef struct PSI_ClosureData {
-       void *context;
-       impl *impl;
-       jit_type_t signature;
-       zval return_value;
-} PSI_ClosureData;
+#include "php.h"
 
-static inline PSI_ClosureData *PSI_ClosureDataAlloc(void *context, impl *impl) {
-       PSI_ClosureData *data = malloc(sizeof(*data));
+#ifdef HAVE_LIBJIT
 
-       data->context = context;
-       data->impl = impl;
+#include "php_psi.h"
+#include "libjit.h"
 
-       return data;
-}
+#include <jit/jit.h>
 
-static inline size_t impl_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;
-}
+static void psi_jit_handler(jit_type_t _sig, void *result, void **_args, void *_data);
 
 static inline jit_abi_t psi_jit_abi(const char *convention) {
        return jit_abi_cdecl;
 }
-static inline jit_type_t psi_jit_type(token_t t) {
+static inline jit_type_t psi_jit_token_type(token_t t) {
        switch (t) {
        case PSI_T_VOID:
                return jit_type_void;
-       case PSI_T_SINT8:
+       case PSI_T_INT8:
                return jit_type_sbyte;
        case PSI_T_UINT8:
                return jit_type_ubyte;
-       case PSI_T_SINT16:
+       case PSI_T_INT16:
                return jit_type_short;
        case PSI_T_UINT16:
                return jit_type_ushort;
-       case PSI_T_SINT32:
+       case PSI_T_INT32:
                return jit_type_int;
        case PSI_T_UINT32:
                return jit_type_uint;
-       case PSI_T_SINT64:
+       case PSI_T_INT64:
                return jit_type_long;
        case PSI_T_UINT64:
                return jit_type_ulong;
        case PSI_T_BOOL:
                return jit_type_sys_bool;
-       case PSI_T_CHAR:
-               return jit_type_sys_char;
-       case PSI_T_SHORT:
-               return jit_type_sys_short;
-       case PSI_T_INT:
-               return jit_type_sys_int;
-       case PSI_T_LONG:
-               return jit_type_sys_long;
        case PSI_T_FLOAT:
                return jit_type_sys_float;
        case PSI_T_DOUBLE:
                return jit_type_sys_double;
-       default:
-               abort();
+       EMPTY_SWITCH_DEFAULT_CASE();
        }
 }
 static inline jit_type_t psi_jit_decl_type(decl_type *type) {
-       return psi_jit_type(real_decl_type(type)->type);
+       return psi_jit_token_type(real_decl_type(type)->type);
 }
 static inline jit_type_t psi_jit_decl_arg_type(decl_arg *darg) {
        if (darg->var->pointer_level) {
@@ -90,171 +55,174 @@ static inline jit_type_t psi_jit_decl_arg_type(decl_arg *darg) {
                return psi_jit_decl_type(darg->type);
        }
 }
-static void handler(jit_type_t _sig, void *result, void **_args, void *_data)
+
+typedef struct PSI_LibjitContext {
+       jit_context_t jit;
+       jit_type_t signature;
+       struct {
+               struct PSI_LibjitData **list;
+               size_t count;
+       } data;
+} PSI_LibjitContext;
+
+typedef struct PSI_LibjitCall {
+       void *closure;
+       jit_type_t signature;
+       jit_type_t params[1]; /* [type1, type2, NULL, arg1, arg2] ... */
+} PSI_LibjitCall;
+
+typedef struct PSI_LibjitData {
+       PSI_LibjitContext *context;
+       impl *impl;
+       zend_internal_arg_info *arginfo;
+} PSI_LibjitData;
+
+static inline PSI_LibjitCall *PSI_LibjitCallAlloc(PSI_Context *C, decl *decl) {
+       size_t i, c = decl->args ? decl->args->count : 0;
+       PSI_LibjitCall *call = calloc(1, sizeof(*call) + 2 * c * sizeof(void *));
+
+       for (i = 0; i < c; ++i) {
+               call->params[i] = psi_jit_decl_arg_type(decl->args->args[i]);
+       }
+       call->params[c] = NULL;
+
+       decl->call.info = call;
+       decl->call.args = (void **) &call->params[c+1];
+
+       call->signature = jit_type_create_signature(
+                       psi_jit_abi(decl->abi->convention),
+                       psi_jit_decl_arg_type(decl->func),
+                       call->params, c, 1);
+       return call;
+}
+
+static inline void PSI_LibjitCallInitClosure(PSI_Context *C, PSI_LibjitCall *call, impl *impl) {
+       PSI_LibjitContext *context = C->context;
+       call->closure = jit_closure_create(context->jit, context->signature,
+                       &psi_jit_handler, impl);
+}
+
+static inline void PSI_LibjitCallFree(PSI_LibjitCall *call) {
+       jit_type_free(call->signature);
+}
+
+static inline PSI_LibjitContext *PSI_LibjitContextInit(PSI_LibjitContext *L) {
+       jit_type_t params[] = {
+               jit_type_void_ptr,
+               jit_type_void_ptr
+       };
+
+       if (!L) {
+               L = malloc(sizeof(*L));
+       }
+       memset(L, 0, sizeof(*L));
+
+       L->jit = jit_context_create();
+       L->signature = jit_type_create_signature(jit_abi_cdecl, jit_type_void,
+                       params, 2, 1);
+
+       return L;
+}
+
+static inline void PSI_LibjitContextDtor(PSI_LibjitContext *L) {
+       jit_type_free(L->signature);
+       jit_context_destroy(L->jit);
+}
+
+static inline void PSI_LibjitContextFree(PSI_LibjitContext **L) {
+       if (*L) {
+               PSI_LibjitContextDtor(*L);
+               free(*L);
+               *L = NULL;
+       }
+}
+
+static void psi_jit_handler(jit_type_t _sig, void *result, void **_args, void *_data)
+{
+       psi_call(*(zend_execute_data **)_args[0], *(zval **)_args[1], _data);
+}
+
+static void psi_jit_init(PSI_Context *C)
+{
+       C->context = PSI_LibjitContextInit(NULL);
+}
+
+static void psi_jit_dtor(PSI_Context *C)
 {
-       zend_execute_data *execute_data = *(zend_execute_data **)_args[0];
-       zval *return_value = *(zval **)_args[1];
-       PSI_ClosureData *data = _data;
-       impl_arg *iarg;
        size_t i;
-       void **arg_ptr = NULL, **arg_prm = NULL;
-       impl_val ret_val, *arg_val = NULL;
-       jit_type_t signature, *sig_prm;
 
-       if (!data->impl->func->args->count) {
-               if (SUCCESS != zend_parse_parameters_none()) {
-                       return;
-               }
-       } else
-       ZEND_PARSE_PARAMETERS_START(impl_num_min_args(data->impl), data->impl->func->args->count)
-       nextarg:
-               iarg = data->impl->func->args->args[_i];
-               if (iarg->def) {
-                       Z_PARAM_OPTIONAL;
-               }
-               if (PSI_T_BOOL == iarg->type->type) {
-                       if (iarg->def) {
-                               iarg->val.bval = iarg->def->type == PSI_T_TRUE ? 1 : 0;
-                       }
-                       Z_PARAM_BOOL(iarg->val.bval);
-               } else if (PSI_T_INT == iarg->type->type) {
-                       if (iarg->def) {
-                               iarg->val.lval = zend_atol(iarg->def->text, strlen(iarg->def->text));
-                       }
-                       Z_PARAM_LONG(iarg->val.lval);
-               } else if (PSI_T_FLOAT == 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) {
-                       if (iarg->def) {
-                               /* FIXME */
-                               iarg->val.str.len = strlen(iarg->def->text) - 2;
-                               iarg->val.str.val = &iarg->def->text[1];
-                       }
-                       Z_PARAM_STRING(iarg->val.str.val, iarg->val.str.len);
-               } else {
-                       error_code = ZPP_ERROR_FAILURE;
-                       break;
-               }
-               iarg->_zv = _arg;
-               if (_i < _max_num_args) {
-                       goto nextarg;
-               }
-       ZEND_PARSE_PARAMETERS_END();
-
-       if (data->impl->decl->args->count) {
-               arg_ptr = malloc(data->impl->decl->args->count * sizeof(*arg_ptr));
-               arg_prm = malloc(data->impl->decl->args->count * sizeof(*arg_prm));
-               arg_val = malloc(data->impl->decl->args->count * sizeof(*arg_val));
-               sig_prm = malloc(data->impl->decl->args->count * sizeof(*sig_prm));
-
-               for (i = 0; i < data->impl->decl->args->count; ++i) {
-                       decl_arg *darg = data->impl->decl->args->args[i];
-                       impl_arg *iarg = darg->let->arg;
-
-                       switch (darg->let->val->func->type) {
-                       case PSI_T_BOOLVAL:
-                               if (iarg->type->type == PSI_T_BOOL) {
-                                       arg_val[i].bval = iarg->val.bval;
-                               } else {
-                                       arg_val[i].bval = zend_is_true(iarg->_zv);
-                               }
-                               break;
-                       case PSI_T_INTVAL:
-                               if (iarg->type->type == PSI_T_INT) {
-                                       arg_val[i].lval = iarg->val.lval;
-                               } else {
-                                       arg_val[i].lval = zval_get_long(iarg->_zv);
-                               }
-                               break;
-                       case PSI_T_STRVAL:
-                               if (iarg->type->type == PSI_T_STRING) {
-                                       arg_val[i].str.val = estrndup(iarg->val.str.val, iarg->val.str.len);
-                               } else {
-                                       zend_string *zs = zval_get_string(iarg->_zv);
-                                       arg_val[i].str.val = estrndup(zs->val, zs->len);
-                                       zend_string_release(zs);
-                               }
-                               break;
-                       case PSI_T_STRLEN:
-                               if (iarg->type->type == PSI_T_STRING) {
-                                       arg_val[i].lval =iarg->val.str.len;
-                               } else {
-                                       zend_string *zs = zval_get_string(iarg->_zv);
-                                       arg_val[i].lval = zs->len;
-                                       zend_string_release(zs);
-                               }
-                               break;
-                       }
-                       arg_ptr[i] = &arg_val[i];
-                       arg_prm[i] = darg->let->val->is_reference ? &arg_ptr[i] : arg_ptr[i];
-                       sig_prm[i] = psi_jit_decl_arg_type(darg);
-               }
-       }
+       for (i = 0; i < C->decls->count; ++i) {
+               decl *decl = C->decls->list[i];
 
-       signature = jit_type_create_signature(
-                       psi_jit_abi(data->impl->decl->abi->convention),
-                       psi_jit_decl_arg_type(data->impl->decl->func),
-                       sig_prm,
-                       data->impl->decl->args->count,
-                       1);
-       jit_apply(signature, data->impl->decl->dlptr, arg_prm, data->impl->decl->args->count, &ret_val);
-
-       switch (data->impl->stmts->ret.list[0]->func->type) {
-       case PSI_T_TO_STRING:
-               if (data->impl->decl->func->var->pointer_level) {
-                       switch (real_decl_type(data->impl->decl->func->type)->type) {
-                       case PSI_T_CHAR:
-                       case PSI_T_SINT8:
-                       case PSI_T_UINT8:
-                               RETVAL_STRING(ret_val.str.val);
-                               break;
-                       }
-               }
-               break;
+               PSI_LibjitCallFree(decl->call.info);
        }
+       PSI_LibjitContextFree((void *) &C->context);
 }
 
-static zend_function_entry *compile(PSI_Context *C, PSI_Data *D)
+static zend_function_entry *psi_jit_compile(PSI_Context *C)
 {
        size_t i, j = 0;
-       jit_type_t signature, params[] = {
-               jit_type_void_ptr,
-               jit_type_void_ptr
-       };
-       zend_function_entry *zfe = calloc(D->impls->count + 1, sizeof(*zfe));
+       zend_function_entry *zfe;
+       PSI_LibjitContext *ctx = C->context;
+
+       if (!C->impls) {
+               return NULL;
+       }
 
-       jit_context_build_start(C->opaque);
+       zfe = calloc(C->impls->count + 1, sizeof(*zfe));
+       jit_context_build_start(ctx->jit);
 
-       for (i = 0; i < D->impls->count; ++i) {
-               zend_function_entry *zf;
-               PSI_ClosureData *data;
+       for (i = 0; i < C->impls->count; ++i) {
+               zend_function_entry *zf = &zfe[j];
+               PSI_LibjitCall *call;
+               impl *impl = C->impls->list[i];
 
-               if (!D->impls->list[i]->decl) {
+               if (!impl->decl) {
                        continue;
                }
 
-               zf = &zfe[j++];
-               data = PSI_ClosureDataAlloc(C, D->impls->list[i]);
-               signature = jit_type_create_signature(jit_abi_cdecl, jit_type_void, params, 2, 1);
-               zf->fname = D->impls->list[i]->func->name + (D->impls->list[i]->func->name[0] == '\\');
-               zf->handler = jit_closure_create(C->opaque, signature, &handler, data);
+               call = PSI_LibjitCallAlloc(C, impl->decl);
+               PSI_LibjitCallInitClosure(C, call, impl);
+
+               zf->fname = impl->func->name + (impl->func->name[0] == '\\');
+               zf->num_args = impl->func->args->count;
+               zf->handler = call->closure;
+               zf->arg_info = psi_internal_arginfo(impl);
+               ++j;
        }
 
-       jit_context_build_end(C->opaque);
+       for (i = 0; i < C->decls->count; ++i) {
+               decl *decl = C->decls->list[i];
+
+               if (decl->impl) {
+                       continue;
+               }
+
+               PSI_LibjitCallAlloc(C, decl);
+       }
+
+       jit_context_build_end(ctx->jit);
 
        return zfe;
 }
 
+static void psi_jit_call(PSI_Context *C, impl_val *ret_val, decl *decl) {
+       PSI_LibjitCall *call = decl->call.info;
+
+       jit_apply(call->signature, decl->call.sym, decl->call.args,
+                       decl->args->count, ret_val);
+}
+
 static PSI_ContextOps ops = {
-       init,
-       dtor,
-       compile,
+       psi_jit_init,
+       psi_jit_dtor,
+       psi_jit_compile,
+       psi_jit_call,
 };
 
 PSI_ContextOps *PSI_Libjit(void)
 {
        return &ops;
 }
+
+#endif /* HAVE_LIBJIT */