-#include <sys/param.h>
-#include <dirent.h>
-#include <fnmatch.h>
-#include <errno.h>
+/*******************************************************************************
+ 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.
+*******************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen ((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) ((dirent)->d_namlen)
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
+
+#include <unistd.h>
+#include <fnmatch.h>
+
+#if PSI_THREADED_PARSER
+# include <pthread.h>
+#endif
+
#include "php_scandir.h"
-#include "context.h"
+#include "php_psi.h"
+#include "calc.h"
+#include "call.h"
+#include "libjit.h"
+#include "libffi.h"
+
+#include "token.h"
#include "parser.h"
-#include "validator.h"
-
-#define psi_predef_count(of) ((sizeof(psi_predef ##of## s)/sizeof(psi_predef ##of))-1)
-typedef struct psi_predef_type {
- token_t type_tag;
- const char *type_name;
- const char *alias;
-} psi_predef_type;
-static const psi_predef_type psi_predef_types[] = {
- PHP_PSI_TYPES{0}
-};
-#define psi_predef_type_count() psi_predef_count(_type)
-
-typedef struct psi_predef_const {
- token_t type_tag;
- const char *type_name;
- const char *name;
- const char *val_text;
- token_t val_type_tag;
-} psi_predef_const;
-static const psi_predef_const psi_predef_consts[] = {
- PHP_PSI_CONSTS{0}
-};
-#define psi_predef_const_count() psi_predef_count(_const)
-
-typedef struct psi_predef_struct_member {
- token_t type_tag;
- const char *type_name;
- const char *name;
- size_t off;
- size_t len;
- size_t pointer_level;
- size_t array_size;
-} psi_predef_struct_member;
-#define PSI_PREDEF_STRUCT_MEMBERS 32
-typedef struct psi_predef_struct {
- const char *name;
- psi_predef_struct_member members[PSI_PREDEF_STRUCT_MEMBERS];
-} psi_predef_struct;
-static const psi_predef_struct psi_predef_structs[] = {
- PHP_PSI_STRUCTS{0}
-};
-#define psi_predef_struct_count() psi_predef_count(_struct)
-PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error)
+PHP_MINIT_FUNCTION(psi_context);
+PHP_MINIT_FUNCTION(psi_context)
{
- size_t i, j;
- PSI_Data data;
+ unsigned flags = 0;
+ 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;
+ }
+
+ PSI_G(ops) = ops;
+ if (ops->load && !ops->load()) {
+ return FAILURE;
+ }
+
+ if (psi_check_env("PSI_DEBUG")) {
+ flags |= PSI_DEBUG;
+ }
+ if (psi_check_env("PSI_SILENT")) {
+ flags |= PSI_SILENT;
+ }
+
+ 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;
+}
+
+PHP_MSHUTDOWN_FUNCTION(psi_context);
+PHP_MSHUTDOWN_FUNCTION(psi_context)
+{
+ if (psi_check_env("PSI_DUMP")) {
+ struct psi_dump dump = {{.hn = stdout}, (psi_dump_cb) fprintf};
+
+ psi_context_dump(&dump, PSI_G(context));
+ }
+
+ psi_context_free(&PSI_G(context));
+
+ if (PSI_G(ops)->free) {
+ PSI_G(ops)->free();
+ }
+
+ return SUCCESS;
+}
+
+struct psi_context *psi_context_init(struct psi_context *C, struct psi_context_ops *ops, psi_error_cb error, unsigned flags)
+{
if (!C) {
- C = malloc(sizeof(*C));
+ C = pemalloc(sizeof(*C), 1);
}
memset(C, 0, sizeof(*C));
- C->error = error;
+ psi_data_ctor(PSI_DATA(C), error, flags);
C->ops = ops;
- ops->init(C);
- memset(&data, 0, sizeof(data));
- for (i = 0; i < psi_predef_type_count(); ++i) {
- const psi_predef_type *pre = &psi_predef_types[i];
- decl_type *type = init_decl_type(pre->type_tag, pre->type_name);
- decl_typedef *def = init_decl_typedef(pre->alias, type);
+ if (ops->init && !ops->init(C)) {
+ return NULL;
+ }
+
+ return C;
+}
+
+static bool psi_context_add(struct psi_context *C, struct psi_parser *P)
+{
+ bool valid;
+ struct psi_data *D;
+ struct psi_validate_scope scope = {0};
+
+ C->data = safe_perealloc(C->data, (C->count + 1), sizeof(*C->data), 0, 1);
+ D = psi_data_exchange(&C->data[C->count++], PSI_DATA(P));
+
+ psi_validate_scope_ctor(&scope);
+ scope.cpp = P->preproc;
+ valid = psi_validate(&scope, PSI_DATA(C), D);
+ psi_validate_scope_dtor(&scope);
+
+ return valid;
+}
+
+struct psi_context_build_worker {
+#if PSI_THREADED_PARSER
+ pthread_t tid;
+#endif
+ struct psi_parser parser;
+ struct psi_parser_input *input;
+ char psi_file[PATH_MAX];
+};
+
+static struct psi_context_build_worker *psi_context_build_worker_init(
+ struct psi_context *C, const char *dir, const char *file)
+{
+ struct psi_context_build_worker *w = pecalloc(1, sizeof(*w), 1);
- data.defs = add_decl_typedef(data.defs, def);
+ if (PATH_MAX <= slprintf(w->psi_file, PATH_MAX, "%s/%s", dir, file)) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Path to PSI file too long: %s/%s",
+ dir, file);
+ pefree(w, 1);
+ return NULL;
}
- for (i = 0; i < psi_predef_const_count(); ++i) {
- const psi_predef_const *pre = &psi_predef_consts[i];
- impl_def_val *val = init_impl_def_val(pre->val_type_tag, pre->val_text);
- const_type *type = init_const_type(pre->type_tag, pre->type_name);
- constant *constant = init_constant(type, pre->name, val);
+ if (!psi_parser_init(&w->parser, C->error, C->flags)) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to init PSI parser (%s): %s",
+ w->psi_file, strerror(errno));
+ pefree(w, 1);
+ return NULL;
+ }
+ return w;
+}
- data.consts = add_constant(data.consts, constant);
+#if PSI_THREADED_PARSER
+static void *psi_context_build_worker_thread(void *thread_ptr)
+{
+ struct psi_context_build_worker *thread = thread_ptr;
+ psi_parser_parse(&thread->parser, thread->input);
+ return NULL;
+}
+
+static bool psi_context_build_worker_thread_start(
+ struct psi_context_build_worker *w)
+{
+ unsigned tries = 0;
+ int rc;
+
+again: ;
+ rc = pthread_create(&w->tid, NULL, psi_context_build_worker_thread, w);
+
+ switch (rc) {
+ case 0:
+ return true;
+ case EAGAIN:
+ if (tries++ < 10) {
+ goto again;
+ }
+ /* no break */
+ default:
+ w->parser.error(PSI_DATA(&w->parser), NULL, PSI_WARNING,
+ "Failed to start parser thread: %s", strerror(rc));
+ w->tid = 0;
+ return false;
}
- for (i = 0; i < psi_predef_struct_count(); ++i) {
- const psi_predef_struct *pre = &psi_predef_structs[i];
- decl_args *dargs = init_decl_args(NULL);
+}
+#endif
- for (j = 0; j < PSI_PREDEF_STRUCT_MEMBERS; ++j) {
- const psi_predef_struct_member *member = &pre->members[j];
- decl_type *type;
- decl_var *dvar;
+static bool psi_context_build_worker_exec(struct psi_context_build_worker *w)
+{
+ if (!(w->input = psi_parser_open_file(&w->parser, w->psi_file, true))) {
+ w->parser.error(PSI_DATA(&w->parser), NULL, PSI_WARNING,
+ "Failed to open PSI file (%s): %s", w->psi_file, strerror(errno));
+ return false;
+ }
+#if PSI_THREADED_PARSER
+ return psi_context_build_worker_thread_start(w);
+#else
+ return psi_parser_parse(&w->parser, w->input);
+#endif
+}
- if (!member->name) {
- break;
- }
+static bool psi_context_build_worker_done(struct psi_context_build_worker *w)
+{
+#if PSI_THREADED_PARSER
+ void *rval = NULL;
- type = init_decl_type(member->type_tag, member->type_name);
- dvar = init_decl_var(member->name, member->pointer_level, member->array_size);
- dargs = add_decl_arg(dargs, init_decl_arg(type, dvar));
+ if (!w->tid) {
+ return true;
+ }
+
+# if HAVE_PTHREAD_TRYJOIN_NP
+ if (0 == pthread_tryjoin_np(w->tid, &rval)) {
+ w->tid = 0;
+ return true;
+ }
+# else
+ if (0 == pthread_join(w->tid, &rval)) {
+ w->tid = 0;
+ return true;
+ }
+# endif
+ return false;
+#else
+ return true;
+#endif
+}
+
+static void psi_context_build_worker_dtor(struct psi_context_build_worker *w)
+{
+#if PSI_THREADED_PARSER
+ if (w->tid) {
+ void *rval;
+ int rc = pthread_join(w->tid, &rval);
+
+ if (rc) {
+ w->parser.error(PSI_DATA(&w->parser), NULL, PSI_WARNING,
+ "Failed to finish parser thread: %s", strerror(errno));
}
+ }
+#endif
+ psi_parser_input_free(&w->input);
+ psi_parser_dtor(&w->parser);
+}
- data.structs = add_decl_struct(data.structs,
- init_decl_struct(pre->name, dargs));
+static void psi_context_build_worker_free(struct psi_context_build_worker **w)
+{
+ if (*w) {
+ psi_context_build_worker_dtor(*w);
+ pefree(*w, 1);
+ *w = NULL;
}
- return C;
}
static int psi_select_dirent(const struct dirent *entry)
{
#ifndef FNM_CASEFOLD
-#define FNM_CASEFOLD 0
+# define FNM_CASEFOLD 0
#endif
return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD);
}
-
-void PSI_ContextBuild(PSI_Context *C, const char *path)
+void psi_context_build(struct psi_context *C, const char *paths)
{
- int i, n;
- struct dirent **entries = NULL;
+ char *sep = NULL, *cpy = strdup(paths), *ptr = cpy;
+ struct psi_context_build_worker *worker;
+ struct psi_plist *workers = psi_plist_init(
+ (psi_plist_dtor) psi_context_build_worker_free);
- n = php_scandir(path, &entries, psi_select_dirent, alphasort);
+ do {
+ struct dirent **entries = NULL;
+ int i, n;
- if (n < 0) {
- return;
- } else for (i = 0; i < n; ++i) {
- char psi[MAXPATHLEN];
- PSI_Parser P;
- PSI_Validator V;
+ if ((sep = strchr(ptr, ':'))) {
+ *sep = 0;
+ }
- if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", path, entries[i]->d_name)) {
- C->error(PSI_WARNING, "Path to PSI file too long: %s/%s",
- path, entries[i]->d_name);
+ n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
+
+ if (n < 0) {
+ char cwd[PATH_MAX];
+ C->error(PSI_DATA(C), NULL, PSI_WARNING,
+ "Failed to scan PSI directory '%s%s%s': %s",
+ *ptr == '/' ? "" : getcwd(cwd, PATH_MAX),
+ *ptr != '/' && *ptr != '.' ? "/" : "",
+ ptr, strerror(errno));
+ } else {
+ for (i = 0; i < n; ++i) {
+ worker = psi_context_build_worker_init(C, ptr, entries[i]->d_name);
+ PSI_DEBUG_PRINT(C, "PSI: init worker(%p) for %s/%s\n",
+ worker, ptr, entries[i]->d_name);
+ if (worker) {
+ workers = psi_plist_add(workers, &worker);
+ }
+ free(entries[i]);
+ }
+ free(entries);
}
- if (!PSI_ParserInit(&P, psi, C->error, 0)) {
- C->error(PSI_WARNING, "Failed to init PSI parser (%s): %s",
- psi, strerror(errno));
- continue;
+ ptr = sep + 1;
+ } while (sep);
+
+ free(cpy);
+
+ if (psi_plist_count(workers)) {
+ struct psi_plist *running = psi_plist_init(
+ (psi_plist_dtor) psi_context_build_worker_free);
+ long active = 0;
+#ifdef _SC_NPROCESSORS_ONLN
+ long pool = sysconf(_SC_NPROCESSORS_ONLN);
+#else
+ long pool = 4;
+#endif
+
+ while (psi_plist_count(workers) && active < pool) {
+ if (psi_plist_pop(workers, &worker)) {
+ PSI_DEBUG_PRINT(C, "PSI: starting worker %p\n", worker);
+ if (psi_context_build_worker_exec(worker)) {
+ running = psi_plist_add(running, &worker);
+ ++active;
+ }
+ }
+ }
+ while (active) {
+ size_t i = 0;
+
+ while (psi_plist_get(running, i++, &worker)) {
+ if (psi_context_build_worker_done(worker)) {
+ PSI_DEBUG_PRINT(C, "PSI: collecting worker %p\n", worker);
+ psi_context_add(C, &worker->parser);
+
+ psi_plist_del(running, --i, NULL);
+ psi_context_build_worker_free(&worker);
+
+ if (psi_plist_pop(workers, &worker)) {
+ PSI_DEBUG_PRINT(C, "PSI: starting worker %p\n", worker);
+ if (psi_context_build_worker_exec(worker)) {
+ running = psi_plist_add(running, &worker);
+ }
+ } else {
+ --active;
+ }
+ }
+ }
}
+ psi_plist_free(running);
+ }
+ psi_plist_free(workers);
- while (-1 != PSI_ParserScan(&P)) {
- PSI_ParserParse(&P, PSI_TokenAlloc(&P));
- };
- PSI_ParserParse(&P, NULL);
+ psi_context_compile(C);
+}
+
+#include <ctype.h>
+static inline bool prefix_match(zend_string *a, zend_string *b)
+{
+ size_t i;
- if (!PSI_ValidatorInit(&V, &P)) {
- C->error(PSI_WARNING, "Failed to init PSI validator");
+ for (i = 0; i < a->len && i < b->len; ++i) {
+ if (tolower(a->val[i]) != tolower(b->val[i])) {
+ return false;
+ }
+ if (i && a->val[i] == '_') {
break;
}
- PSI_ParserDtor(&P);
+ }
+
+ return true;
+}
+
+static inline void psi_context_consts_init(struct psi_context *C)
+{
+ zend_constant zc;
+
+ ZEND_CONSTANT_SET_FLAGS(&zc, CONST_CS|CONST_PERSISTENT, EG(current_module)->module_number);
- if (PSI_ValidatorValidate(&V)) {
- zend_function_entry *closures;
+ if (C->consts) {
+ size_t i = 0;
+ struct psi_const *c;
- closures = PSI_ContextCompile(C, (PSI_Data *) &V);
- if (closures && SUCCESS != zend_register_functions(NULL, closures, NULL, MODULE_PERSISTENT)) {
- C->error(PSI_WARNING, "Failed to register functions!");
+ while (psi_plist_get(C->consts, i++, &c)) {
+
+ if (zend_get_constant(c->name)) {
+ continue;
+ }
+
+ zc.name = zend_string_copy(c->name);
+ psi_impl_def_val_get_zval(c->val, c->type ? c->type->type : PSI_T_MIXED, &zc.value);
+
+ zend_register_constant(&zc);
+ }
+ }
+ if (C->enums) {
+ size_t i = 0;
+ struct psi_decl_enum *e;
+
+ while (psi_plist_get(C->enums, i++, &e)) {
+ size_t j = 0;
+ struct psi_decl_enum_item *item;
+
+ while (psi_plist_get(e->items, j++, &item)) {
+ zend_string *name;
+
+ if (psi_decl_type_is_anon(e->name, "enum")
+ || prefix_match(e->name, item->name)) {
+ name = strpprintf(0, "psi\\%s", item->name->val);
+ } else {
+
+ name = strpprintf(0, "psi\\%s\\%s", e->name->val, item->name->val);
+ }
+
+ if (zend_get_constant(name)) {
+ zend_string_release(name);
+ continue;
+ }
+
+ zc.name = zend_string_dup(name, 1);
+ ZVAL_LONG(&zc.value, psi_num_exp_get_long(item->num, NULL, NULL));
+ zend_register_constant(&zc);
+ zend_string_release(name);
}
}
- PSI_ValidatorDtor(&V);
}
- if (entries) {
- for (i = 0; i < n; ++i) {
- free(entries[i]);
+}
+
+static inline void psi_context_extvars_init(struct psi_context *C)
+{
+ if (C->vars) {
+ size_t v = 0;
+ struct psi_decl_extvar *evar;
+
+ while (psi_plist_get(C->vars, v++, &evar)) {
+ C->ops->extvar_init(C, evar);
}
- free(entries);
}
+}
+static inline void psi_context_callback_init(struct psi_context *C,
+ struct psi_let_exp *let_exp, struct psi_impl *impl)
+{
+ struct psi_let_func *fn = let_exp->data.func;
+
+ switch (let_exp->kind) {
+ case PSI_LET_CALLBACK:
+ C->ops->cb_init(C, let_exp, impl);
+ /* override fn */
+ fn = let_exp->data.callback->func;
+ /* no break */
+ case PSI_LET_FUNC:
+ if (fn->inner) {
+ size_t i = 0;
+ struct psi_let_exp *inner_let;
+
+ while (psi_plist_get(fn->inner, i++, &inner_let)) {
+ psi_context_callback_init(C, inner_let, impl);
+ }
+ }
+ break;
+ default:
+ break;
+ }
}
-zend_function_entry *PSI_ContextCompile(PSI_Context *C, PSI_Data *D)
+static inline void psi_context_callback_dtor(struct psi_context *C,
+ struct psi_let_exp *let_exp, struct psi_impl *impl)
{
- size_t i, count = C->count++;
- zend_function_entry *zfe;
+ struct psi_let_func *fn = let_exp->data.func;
+
+ switch (let_exp->kind) {
+ case PSI_LET_CALLBACK:
+ C->ops->cb_dtor(C, let_exp, impl);
+ /* override func */
+ fn = let_exp->data.callback->func;
+ /* no break */
+ case PSI_LET_FUNC:
+ if (fn->inner) {
+ size_t i = 0;
+ struct psi_let_exp *cb;
+
+ while (psi_plist_get(fn->inner, i++, &cb)) {
+ psi_context_callback_dtor(C, cb, impl);
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
- if (D->consts) {
- zend_constant zc;
+static inline void psi_context_impls_init(struct psi_context *C)
+{
+ size_t nf = 0;
+ zend_function_entry *zfe = NULL;
- zc.flags = CONST_PERSISTENT|CONST_CS;
- zc.module_number = EG(current_module)->module_number;
+ if (C->impls) {
+ size_t i = 0;
+ struct psi_impl *impl;
- for (i = 0; i < D->consts->count; ++i) {
- constant *c = D->consts->list[i];
+ zfe = pecalloc(psi_plist_count(C->impls) + 1, sizeof(*zfe), 1);
- zc.name = zend_string_init(c->name + (c->name[0] == '\\'), strlen(c->name) - (c->name[0] == '\\'), 1);
- ZVAL_NEW_STR(&zc.value, zend_string_init(c->val->text, strlen(c->val->text), 1));
+ while (psi_plist_get(C->impls, i++, &impl)) {
+ zend_function_entry *zf = &zfe[nf];
+ struct psi_let_stmt *let;
+ size_t l = 0;
- switch (c->type->type) {
- case PSI_T_BOOL:
- convert_to_boolean(&zc.value);
- break;
- case PSI_T_INT:
- convert_to_long(&zc.value);
- break;
- case PSI_T_FLOAT:
- convert_to_double(&zc.value);
- break;
+ if (!impl->decl) {
+ continue;
}
- zend_register_constant(&zc);
+ if (!C->ops->decl_init(C, impl->decl)) {
+ continue;
+ }
+ if (!C->ops->impl_init(C, impl, &zf->handler)) {
+ continue;
+ }
+ while (psi_plist_get(impl->stmts.let, l++, &let)) {
+ psi_context_callback_init(C, let->exp, impl);
+ }
+
+ zf->fname = impl->func->name->val + (impl->func->name->val[0] == '\\');
+ zf->num_args = psi_plist_count(impl->func->args);
+ zf->arg_info = psi_internal_arginfo(impl);
+ ++nf;
}
}
- C->data = realloc(C->data, C->count * sizeof(*C->data));
- PSI_DataExchange(&C->data[count], D);
+ C->closures = zfe;
+}
- zfe = C->ops->compile(C, &C->data[count]);
+static inline void psi_context_decls_init(struct psi_context *C)
+{
+ if (C->decls) {
+ size_t d = 0;
+ struct psi_decl *decl;
- C->closures = realloc(C->closures, C->count * sizeof(*C->closures));
- C->closures[count] = zfe;
+ while (psi_plist_get(C->decls, d++, &decl)) {
+ if (!decl->info) {
+ C->ops->decl_init(C, decl);
+ }
+ }
+ }
+}
+
+struct psi_struct_type_data {
+ struct psi_plist *els;
+ size_t offset;
+ size_t max_align;
+};
+
+static inline void psi_struct_type_pad(struct psi_context *C,
+ struct psi_struct_type_data *data, size_t padding)
+{
+ void *ele = C->ops->typeof_decl(C, PSI_T_INT8);
- return zfe;
+ while (padding--) {
+ void *pad = C->ops->copyof_type(C, ele);
+ data->els = psi_plist_add(data->els, &pad);
+ }
}
-void PSI_ContextDtor(PSI_Context *C)
+static inline void psi_struct_type_element(struct psi_context *C,
+ struct psi_struct_type_data *data, struct psi_decl_arg *darg)
{
+ void *type, *copy;
size_t i;
+ struct psi_layout type_layout;
+
+ if (darg->layout->pos) {
+ assert(data->offset <= darg->layout->pos);
+ psi_struct_type_pad(C, data, darg->layout->pos - data->offset);
+ data->offset = darg->layout->pos;
+ }
+
+ type = psi_context_decl_arg_full_type(C, darg);
+ C->ops->layoutof_type(C, type, &type_layout);
- C->ops->dtor(C);
+ if (type_layout.pos > data->max_align) {
+ data->max_align = type_layout.pos;
+ }
+
+ assert(type_layout.len <= darg->layout->len);
- for (i = 0; i < C->count; ++i) {
- PSI_DataDtor(&C->data[i]);
- if (C->closures[i]){
- free(C->closures[i]);
+ for (i = 0; i < (darg->var->array_size ?: 1); ++i) {
+ copy = C->ops->copyof_type(C, type);
+ data->els = psi_plist_add(data->els, ©);
+ }
+ assert(darg->layout->len == type_layout.len * (darg->var->array_size ?: 1));
+ data->offset += darg->layout->len;
+}
+
+static inline void psi_context_decl_struct_type_elements(struct psi_context *C,
+ struct psi_decl_struct *strct, struct psi_plist **els)
+{
+ size_t i = 0;
+ struct psi_decl_arg *darg, *prev = NULL;
+ struct psi_struct_type_data data = {0};
+
+ data.els = *els;
+ while (psi_plist_get(strct->args, i++, &darg)) {
+ if (prev && prev->layout->pos == darg->layout->pos) {
+ /* skip bit fields */
+ continue;
}
+ psi_struct_type_element(C, &data, darg);
}
- free(C->data);
- free(C->closures);
- memset(C, 0, sizeof(*C));
+ data.offset = (data.offset + data.max_align - 1) & ~(data.max_align - 1);
+ assert(data.offset <= strct->size);
+ psi_struct_type_pad(C, &data, strct->size - data.offset);
+
+ *els = data.els;
+}
+
+static inline void *psi_context_decl_arg_type(struct psi_context *C,
+ struct psi_decl_arg *darg)
+{
+ struct psi_decl_type *real = psi_decl_type_get_real(darg->type);
+
+ if (real != darg->type && darg->type->real.def->var->pointer_level) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
+ }
+
+ if (real->type == PSI_T_UNION) {
+ struct psi_decl_arg *arg;
+ psi_plist_get(real->real.unn->args, 0, &arg);
+ return psi_context_decl_arg_full_type(C, arg);
+ }
+
+ if (real->type == PSI_T_STRUCT) {
+ C->ops->composite_init(C, darg);
+ return darg->engine.type;
+ }
+
+ return C->ops->typeof_decl(C, real->type);
+}
+
+void *psi_context_decl_arg_call_type(struct psi_context *C,
+ struct psi_decl_arg *darg)
+{
+ if (darg->var->pointer_level) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
+ }
+
+ return psi_context_decl_arg_type(C, darg);
+}
+
+void *psi_context_decl_arg_full_type(struct psi_context *C,
+ struct psi_decl_arg *darg)
+{
+ if (darg->var->array_size) {
+ C->ops->composite_init(C, darg);
+ return darg->engine.type;
+ }
+ if (darg->var->pointer_level) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
+ }
+
+ return psi_context_decl_arg_type(C, darg);
+}
+
+void **psi_context_composite_type_elements(struct psi_context *C,
+ struct psi_decl_arg *darg, struct psi_plist **eles)
+{
+ struct psi_decl_type *dtype;
+ struct psi_decl_arg *tmp;
+ void *type, *copy;
+
+ dtype = psi_decl_type_get_real(darg->type);
+
+ switch (dtype->type) {
+ case PSI_T_STRUCT:
+ psi_context_decl_struct_type_elements(C, dtype->real.strct, eles);
+ break;
+ case PSI_T_UNION:
+ if (psi_plist_bottom(dtype->real.unn->args, &tmp)) {
+ type = psi_context_decl_arg_full_type(C, tmp);
+ copy = C->ops->copyof_type(C, type);
+ *eles = psi_plist_add(*eles, ©);
+ }
+ break;
+ default:
+ type = psi_context_decl_arg_type(C, darg);
+ for (size_t i = 0; i < darg->var->array_size; ++i) {
+ copy = C->ops->copyof_type(C, type);
+ *eles = psi_plist_add(*eles, ©);
+ }
+ }
+
+ return psi_plist_eles(*eles);
+}
+
+void psi_context_compile(struct psi_context *C)
+{
+ psi_context_consts_init(C);
+ psi_context_extvars_init(C);
+ psi_context_impls_init(C);
+ psi_context_decls_init(C);
+
+ /* zend_register_functions depends on EG(current_module) pointing into module */
+ EG(current_module) = zend_hash_str_find_ptr(&module_registry, "psi", sizeof("psi") - 1);
+ if (SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to register functions!");
+ }
+ EG(current_module) = NULL;
}
-void PSI_ContextFree(PSI_Context **C)
+bool psi_context_call(struct psi_context *C, zend_execute_data *execute_data, zval *return_value, struct psi_impl *impl)
+{
+ struct psi_call_frame *frame;
+
+ frame = psi_call_frame_init(C, impl->decl, impl);
+
+ if (!psi_call_frame_parse_args(frame, execute_data)) {
+ psi_call_frame_free(frame);
+
+ return false;
+ }
+
+ psi_call_frame_enter(frame);
+
+ if (!psi_call_frame_do_let(frame)) {
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_free(frame);
+
+ return false;
+ }
+
+ if (!psi_call_frame_do_assert(frame, PSI_ASSERT_PRE)) {
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_free(frame);
+
+ return false;
+ }
+
+ if (psi_call_frame_num_var_args(frame)) {
+ C->ops->call_va(frame);
+ } else {
+ C->ops->call(frame);
+ }
+
+ if (!psi_call_frame_do_assert(frame, PSI_ASSERT_POST)) {
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_free(frame);
+
+ return false;
+ }
+
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_do_set(frame);
+ psi_call_frame_do_free(frame);
+ psi_call_frame_free(frame);
+
+ return true;
+}
+
+
+void psi_context_dtor(struct psi_context *C)
+{
+ size_t i;
+ zend_function_entry *zfe;
+
+ if (C->decls) {
+ size_t i = 0;
+ struct psi_decl *decl;
+
+ while (psi_plist_get(C->decls, i++, &decl)) {
+ size_t j = 0;
+ struct psi_decl_arg *darg;
+
+ while (psi_plist_get(decl->args, j++, &darg)) {
+ C->ops->composite_dtor(C, darg);
+ }
+ C->ops->composite_dtor(C, decl->func);
+ C->ops->decl_dtor(C, decl);
+ }
+
+ }
+ if (C->vars) {
+ size_t i = 0;
+ struct psi_decl_extvar *evar;
+
+ while (psi_plist_get(C->vars, i++, &evar)) {
+ C->ops->composite_dtor(C, evar->getter->func);
+ C->ops->composite_dtor(C, evar->arg);
+ C->ops->extvar_dtor(C, evar);
+ }
+ }
+ if (C->impls) {
+ size_t i = 0;
+ struct psi_impl *impl;
+
+ while (psi_plist_get(C->impls, i++, &impl)) {
+ struct psi_let_stmt *let;
+ size_t j = 0;
+
+ while (psi_plist_get(impl->stmts.let, j++, &let)) {
+ psi_context_callback_dtor(C, let->exp, impl);
+ }
+
+ C->ops->impl_dtor(C, impl);
+ }
+ }
+
+ if (C->ops->dtor) {
+ C->ops->dtor(C);
+ }
+
+ psi_data_dtor(PSI_DATA(C));
+
+ if (C->data) {
+ for (i = 0; i < C->count; ++i) {
+ psi_data_dtor(&C->data[i]);
+ }
+ free(C->data);
+ }
+
+ if (C->closures) {
+ for (zfe = C->closures; zfe->fname; ++zfe) {
+ pefree((void *) zfe->arg_info, 1);
+ }
+ pefree(C->closures, 1);
+ }
+}
+
+void psi_context_free(struct psi_context **C)
{
if (*C) {
- PSI_ContextDtor(*C);
+ psi_context_dtor(*C);
free(*C);
*C = NULL;
}
}
+
+void psi_context_dump(struct psi_dump *dump, struct psi_context *C)
+{
+ PSI_DUMP(dump, "// psi.engine=%s\n// %lu files\n",
+ C->ops->name, C->count);
+
+ psi_data_dump(dump, PSI_DATA(C));
+
+#if 0
+ if (C->flags & PSI_DEBUG) {
+ size_t i;
+
+ for (i = 0; i < C->count; ++i) {
+ psi_data_dump(dump, &C->data[i]);
+ }
+ }
+#endif
+}