+/*******************************************************************************
+ 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"
-#include <stdio.h>
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
-#endif
-#ifdef HAVE_STRING_H
-# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
-# include <memory.h>
-# endif
-# include <string.h>
-#endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-#ifdef HAVE_INTTYPES_H
-# include <inttypes.h>
-#endif
-#ifdef HAVE_STDINT_H
-# include <stdint.h>
-#endif
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#ifdef HAVE_ERRNO_H
-# include <errno.h>
-#endif
-#ifdef HAVE_GLOB_H
-# include <glob.h>
-#endif
-#ifdef HAVE_NETINET_IN_H
-# include <netinet/in.h>
-#endif
-#ifdef HAVE_ARPA_NAMESER_H
-# include <arpa/nameser.h>
-#endif
-#ifdef HAVE_NETDB_H
-# include <netdb.h>
-#endif
-#ifdef HAVE_RESOLV_H
-# include <resolv.h>
-#endif
-#ifdef HAVE_SYS_SELECT_H
-# include <sys/select.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
-#endif
-#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-#endif
-#ifdef HAVE_SYS_TIMES_H
-# include <sys/times.h>
-#endif
-#ifdef HAVE_SYS_UIO_H
-# include <sys/uio.h>
-#endif
-#ifdef HAVE_SYS_UTSNAME_H
-# include <sys/utsname.h>
-#endif
-#ifdef HAVE_TIME_H
-# include <time.h>
-#endif
-#ifdef HAVE_WCHAR_H
-# include <wchar.h>
-#endif
-
#ifdef HAVE_DIRENT_H
# include <dirent.h>
# define NAMLEN(dirent) strlen ((dirent)->d_name)
# endif
#endif
-#include <sys/param.h>
-#include <dlfcn.h>
+#include <unistd.h>
#include <fnmatch.h>
-#include "php.h"
+#if PSI_THREADED_PARSER
+# include <pthread.h>
+#endif
+
#include "php_scandir.h"
#include "php_psi.h"
-#include "context.h"
-#include "parser.h"
-
+#include "calc.h"
+#include "call.h"
#include "libjit.h"
#include "libffi.h"
-static struct psi_std_type {
- token_t type_tag;
- const char *type_name;
-} psi_std_types[] = {
- {PSI_T_FLOAT, "float"},
- {PSI_T_DOUBLE, "double"},
- {PSI_T_INT8, "int8_t"},
- {PSI_T_INT16, "int16_t"},
- {PSI_T_INT32, "int32_t"},
- {PSI_T_INT64, "int64_t"},
- {PSI_T_UINT8, "uint8_t"},
- {PSI_T_UINT16, "uint16_t"},
- {PSI_T_UINT32, "uint32_t"},
- {PSI_T_UINT64, "uint64_t"},
- {0}
-};
-
-static struct psi_predef_type {
- token_t type_tag;
- const char *type_name;
- const char *alias;
-} psi_predef_types[] = {
- PSI_TYPES
- {0}
-};
-
-static struct psi_predef_const {
- token_t type_tag;
- const char *type_name;
- const char *var_name;
- const char *val_text;
- token_t val_type_tag;
-} psi_predef_consts[] = {
- PSI_CONSTS
- {0}
-};
-
-PSI_MACROS
-
-static struct psi_func_redir {
- const char *name;
- void (*func)(void);
-} psi_func_redirs[] = {
- PSI_REDIRS
- {0}
-};
+#include "token.h"
+#include "parser.h"
-static struct psi_predef_decl {
- token_t type_tag;
- const char *type_name;
- const char *var_name;
- size_t pointer_level;
- size_t array_size;
-} psi_predef_decls[] = {
- PSI_DECLS
- {0}
-};
+PHP_MINIT_FUNCTION(psi_context)
+{
+ unsigned flags = 0;
+ struct psi_context_ops *ops = NULL;
-static struct psi_predef_struct {
- token_t type_tag;
- const char *type_name;
- const char *var_name;
- size_t offset;
- size_t size;
- size_t pointer_level;
- size_t array_size;
-} psi_predef_structs[] = {
- PSI_STRUCTS
- {0}
-};
+#ifdef HAVE_LIBJIT
+ if (!strcasecmp(PSI_G(engine), "jit")) {
+ ops = psi_libjit_ops();
+ } else
+#endif
+#ifdef HAVE_LIBFFI
+ ops = psi_libffi_ops();
+#endif
-static int validate_lib(PSI_Data *data, void **dlopened) {
- char lib[MAXPATHLEN];
- const char *ptr = data->psi.file.ln;
- size_t len;
-
- if (!ptr) {
- /* FIXME: assume stdlib */
- return 1;
- } else if (!strchr(ptr, '/')) {
- len = snprintf(lib, MAXPATHLEN, "lib%s.%s", ptr, PHP_PSI_SHLIB_SUFFIX);
- if (MAXPATHLEN == len) {
- data->error(PSI_WARNING, "Library name too long: '%s'", ptr);
- }
- lib[len] = 0;
- ptr = lib;
+ if (!ops) {
+ php_error(E_WARNING, "No PSI engine found");
+ return FAILURE;
}
- if (!(*dlopened = dlopen(ptr, RTLD_LAZY|RTLD_LOCAL))) {
- data->error(PSI_WARNING, "Could not open library '%s': %s.",
- data->psi.file.ln, dlerror());
- return 0;
- }
- return 1;
-}
-
-static inline int locate_decl_type_alias(decl_typedefs *defs, decl_type *type) {
- size_t i;
- struct psi_std_type *stdtyp;
- if (type->real) {
- return 1;
+ PSI_G(ops) = ops;
+ if (ops->load && !ops->load()) {
+ return FAILURE;
}
- for (i = 0; i < defs->count; ++i) {
- decl_typedef *def = defs->list[i];
- if (def->type->type != type->type && !strcmp(def->alias, type->name)) {
- type->real = def->type;
- return 1;
- }
+ if (psi_check_env("PSI_DEBUG")) {
+ flags |= PSI_DEBUG;
}
- for (stdtyp = &psi_std_types[0]; stdtyp->type_tag; ++stdtyp) {
- if (!strcmp(type->name, stdtyp->type_name)) {
- type->type = stdtyp->type_tag;
- return 1;
- }
+ if (psi_check_env("PSI_SILENT")) {
+ flags |= PSI_SILENT;
}
- return 0;
-}
-static inline int locate_decl_type_struct(decl_structs *structs, decl_type *type) {
- size_t i;
+ PSI_G(context) = psi_context_init(NULL, PSI_G(ops), psi_error_wrapper, flags);
+ psi_context_build(PSI_G(context), PSI_G(directory));
- if (type->strct) {
- return 1;
- }
- for (i = 0; i < structs->count; ++i) {
- if (!strcmp(structs->list[i]->name, type->name)) {
- type->strct = structs->list[i];
- return 1;
- }
- }
- return 0;
+ return SUCCESS;
}
-static inline int validate_decl_type(PSI_Data *data, decl_type *type) {
- switch (type->type) {
- case PSI_T_NAME:
- if (!data->defs || !locate_decl_type_alias(data->defs, type)) {
- return 0;
- }
- if (type->real) {
- return validate_decl_type(data, type->real);
- }
- return 1;
- case PSI_T_STRUCT:
- if (!data->structs || !locate_decl_type_struct(data->structs, type)) {
- return 0;
- }
- break;
+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));
}
- return 1;
-}
-static inline int validate_decl_typedef(PSI_Data *data, decl_typedef *def) {
- if (!validate_decl_type(data, def->type)) {
- data->error(PSI_WARNING, "Type '%s' cannot be aliased to %s'%s'",
- def->type->name, def->type->type == PSI_T_STRUCT?"struct ":"",def->alias);
- return 0;
+
+ psi_context_free(&PSI_G(context));
+
+ if (PSI_G(ops)->free) {
+ PSI_G(ops)->free();
}
- /* FIXME: check def->alias */
- return 1;
-}
-static inline int validate_constant(PSI_Data *data, constant *c) {
- /* FIXME */
- return 1;
+ return SUCCESS;
}
-static inline int validate_decl_arg(PSI_Data *data, decl_arg *arg) {
- if (!validate_decl_type(data, arg->type)) {
- data->error(PSI_WARNING, "Cannot use '%s'(%d) as type for '%s'",
- arg->type->name, arg->type->type, arg->var->name);
- return 0;
+struct psi_context *psi_context_init(struct psi_context *C, struct psi_context_ops *ops, psi_error_cb error, unsigned flags)
+{
+ if (!C) {
+ C = pemalloc(sizeof(*C), 1);
}
- return 1;
-}
+ memset(C, 0, sizeof(*C));
-static inline int validate_decl_struct(PSI_Data *data, decl_struct *s) {
- size_t i;
+ psi_data_ctor(PSI_DATA(C), error, flags);
+ C->ops = ops;
- for (i = 0; i < s->args->count; ++i) {
- if (!validate_decl_arg(data, s->args->args[i])) {
- return 0;
- }
+ if (ops->init && !ops->init(C)) {
+ return NULL;
}
- for (i = 0; i < s->args->count; ++i) {
- decl_arg *darg = s->args->args[i];
-
- if (!validate_decl_arg(data, darg)) {
- return 0;
- }
+ return C;
+}
- ZEND_ASSERT(!darg->var->arg || darg->var->arg == darg);
- darg->var->arg = darg;
+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};
- if (!darg->layout) {
- token_t t;
+ 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));
- if (darg->var->pointer_level && (!darg->var->array_size || darg->var->pointer_level == 1)) {
- t = PSI_T_POINTER;
- } else {
- t = real_decl_type(darg->type)->type;
- }
+ psi_validate_scope_ctor(&scope);
+ scope.cpp = P->preproc;
+ valid = psi_validate(&scope, PSI_DATA(C), D);
+ psi_validate_scope_dtor(&scope);
- if (i) {
- decl_arg *last = s->args->args[i-1];
- darg->layout = init_decl_struct_layout(
- psi_t_align(t, last->layout->pos + last->layout->len),
- psi_t_size(t) * darg->var->array_size);
- } else {
- darg->layout = init_decl_struct_layout(0, psi_t_size(t));
- }
- }
- if (s->size < darg->layout->pos + darg->layout->len) {
- s->size = darg->layout->pos + darg->layout->len;
- }
- }
- return 1;
+ return valid;
}
-static const char * const abi_ccs[] = {
- "default", /* \ */
- "extern", /* > - all the same */
- "cdecl", /* / */
- "stdcall",
- "fastcall",
+struct psi_context_build_worker {
+ pthread_t tid;
+ struct psi_parser parser;
+ struct psi_parser_input *input;
+ char psi_file[MAXPATHLEN];
};
-static inline int validate_decl_abi(PSI_Data *data, decl_abi *abi) {
- size_t i;
- for (i = 0; i < sizeof(abi_ccs)/sizeof(char*); ++i) {
- if (strcasecmp(abi->convention, abi_ccs[i])) {
- return 1;
- }
- }
- data->error(PSI_WARNING, "Invalid calling convention: '%s'", abi->convention);
- return 0;
-}
-static inline int validate_decl_func(PSI_Data *data, void *dl, decl *decl, decl_arg *func)
+static struct psi_context_build_worker *psi_context_build_worker_init(
+ struct psi_context *C, const char *dir, const char *file)
{
- struct psi_func_redir *redir;
+ struct psi_context_build_worker *w = pecalloc(1, sizeof(*w), 1);
- if (!strcmp(func->var->name, "dlsym")) {
- data->error(PSI_WARNING, "Cannot dlsym dlsym (sic!)");
- return 0;
+ if (MAXPATHLEN <= slprintf(w->psi_file, MAXPATHLEN, "%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;
}
-
- if (!validate_decl_arg(data, func)) {
- return 0;
+ 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;
}
- for (redir = &psi_func_redirs[0]; redir->name; ++redir) {
- if (!strcmp(func->var->name, redir->name)) {
- decl->call.sym = redir->func;
- }
- }
- if (!decl->call.sym) {
-#ifndef RTLD_NEXT
-# define RTLD_NEXT ((void *) -1l)
-#endif
- decl->call.sym = dlsym(dl ?: RTLD_NEXT, func->var->name);
- if (!decl->call.sym) {
- data->error(PSI_WARNING, "Failed to locate symbol '%s': %s",
- func->var->name, dlerror());
- }
- }
- return 1;
+ return w;
}
-static inline int validate_decl(PSI_Data *data, void *dl, decl *decl) {
- if (!validate_decl_abi(data, decl->abi)) {
- return 0;
- }
- if (!validate_decl_func(data, dl, decl, decl->func)) {
- return 0;
- }
- if (decl->args) {
- size_t i;
-
- for (i = 0; i < decl->args->count; ++i) {
- if (!validate_decl_arg(data, decl->args->args[i])) {
- return 0;
- }
- }
- }
- return 1;
+#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 inline decl_arg *locate_decl_var_arg(decl_var *var, decl_args *args) {
- size_t i;
- for (i = 0; i < args->count; ++i) {
- decl_arg *arg = args->args[i];
+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);
- if (!strcmp(var->name, arg->var->name)) {
- ZEND_ASSERT(!var->arg || var->arg == arg);
- return var->arg = arg;
+ 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;
}
-
- return NULL;
}
-static inline decl_arg *locate_struct_member(decl_struct *s, decl_var *var) {
- if (s->args) {
- return locate_decl_var_arg(var, s->args);
- }
+#endif
- return NULL;
+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
}
-static inline int validate_set_value(PSI_Data *data, set_value *set, decl_arg *ref, decl_args *ref_list) {
- size_t i;
- decl_type *ref_type = real_decl_type(ref->type);
- decl_var *set_var = set->vars->vars[0];
- switch (set->func->type) {
- case PSI_T_TO_BOOL:
- set->func->handler = psi_to_bool;
- break;
- case PSI_T_TO_INT:
- set->func->handler = psi_to_int;
- break;
- case PSI_T_TO_FLOAT:
- set->func->handler = psi_to_double;
- break;
- case PSI_T_TO_STRING:
- set->func->handler = psi_to_string;
- break;
- case PSI_T_TO_ARRAY:
- set->func->handler = psi_to_array;
- break;
- case PSI_T_TO_OBJECT:
- set->func->handler = psi_to_object;
- break;
- case PSI_T_VOID:
- set->func->handler = psi_to_void;
- break;
- EMPTY_SWITCH_DEFAULT_CASE();
- }
+static bool psi_context_build_worker_done(struct psi_context_build_worker *w)
+{
+#if PSI_THREADED_PARSER
+ void *rval = NULL;
- for (i = 1; i < set->vars->count; ++i) {
- if (!locate_decl_var_arg(set->vars->vars[i], ref_list)) {
- return 0;
- }
+ if (!w->tid) {
+ return true;
}
- set_var->arg = ref;
-
- if (set->count) {
- int is_to_array = (set->func->type == PSI_T_TO_ARRAY);
- int is_pointer_to_struct = (ref_type->type == PSI_T_STRUCT && ref->var->pointer_level);
- if (!is_to_array && !is_pointer_to_struct) {
- data->error(E_WARNING, "Inner `set` statement casts only work with "
- "to_array() casts on structs or pointers: %s(%s...", set->func->name, set->vars->vars[0]->name);
- return 0;
- }
+# 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
+}
- if (ref_type->type == PSI_T_STRUCT) {
- /* to_array(struct, to_...) */
- for (i = 0; i < set->count; ++i) {
- decl_var *sub_var = set->inner[i]->vars->vars[0];
- decl_arg *sub_ref = locate_struct_member(ref_type->strct, sub_var);
+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);
- set->inner[i]->outer.set = set;
- if (sub_ref) {
- if (!validate_set_value(data, set->inner[i], sub_ref, ref_type->strct->args)) {
- return 0;
- }
- }
- }
- } else if (set->count == 1) {
- /* to_array(ptr, to_string(*ptr)) */
- decl_var *sub_var = set->inner[0]->vars->vars[0];
- decl_arg *sub_ref = locate_decl_var_arg(sub_var, ref_list);
-
- set->inner[0]->outer.set = set;
- if (sub_ref) {
- if (strcmp(sub_var->name, set_var->name)) {
- data->error(E_WARNING, "Inner `set` statement casts on pointers must reference the same variable");
- return 0;
- }
- if (!validate_set_value(data, set->inner[0], sub_ref, ref_list)) {
- return 0;
- }
+ if (rc) {
+ w->parser.error(PSI_DATA(&w->parser), NULL, PSI_WARNING,
+ "Failed to finish parser thread: %s", strerror(errno));
}
- } else if (set->count > 1) {
- data->error(E_WARNING, "Inner `set` statement casts on pointers may only occur once");
- return 0;
}
-
- return 1;
+#endif
+ psi_parser_input_free(&w->input);
+ psi_parser_dtor(&w->parser);
}
-static inline decl *locate_impl_decl(decls *decls, return_stmt *ret) {
- if (decls) {
- size_t i;
- for (i = 0; i < decls->count; ++i) {
- if (!strcmp(decls->list[i]->func->var->name, ret->set->vars->vars[0]->name)) {
- ret->decl = decls->list[i]->func;
- return decls->list[i];
- }
- }
+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 NULL;
+static int psi_select_dirent(const struct dirent *entry)
+{
+#ifndef FNM_CASEFOLD
+# define FNM_CASEFOLD 0
+#endif
+ return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD);
}
-static inline int validate_impl_ret_stmt(PSI_Data *data, impl *impl) {
- return_stmt *ret;
-
- /* we must have exactly one ret stmt delcaring the native func to call */
- /* and which type cast to apply */
- if (impl->stmts->ret.count != 1) {
- if (impl->stmts->ret.count > 1) {
- data->error(PSI_WARNING, "Too many `return` statements for implmentation %s;"
- " found %zu, exactly one is needed",
- impl->func->name, impl->stmts->ret.count);
- } else {
- data->error(PSI_WARNING, "Missing `return` statement for implementation %s",
- impl->func->name);
- }
- return 0;
- }
- ret = impl->stmts->ret.list[0];
+void psi_context_build(struct psi_context *C, const char *paths)
+{
+ 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);
- if (!(impl->decl = locate_impl_decl(data->decls, ret))) {
- data->error(PSI_WARNING, "Missing declaration for implementation %s",
- impl->func->name);
- return 0;
- }
+ do {
+ struct dirent **entries = NULL;
+ int i, n;
- if (!validate_set_value(data, ret->set, ret->decl, impl->decl->args)) {
- return 0;
- }
+ if ((sep = strchr(ptr, ':'))) {
+ *sep = 0;
+ }
- impl->decl->impl = impl;
+ n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
- return 1;
-}
-static inline int validate_impl_let_stmts(PSI_Data *data, impl *impl) {
- size_t i, j;
- /* we can have multiple let stmts */
- /* check that we have a let stmt for every decl arg */
- if (impl->decl->args) for (i = 0; i < impl->decl->args->count; ++i) {
- decl_arg *darg = impl->decl->args->args[i];
- int check = 0;
-
- for (j = 0; j < impl->stmts->let.count; ++j) {
- let_stmt *let = impl->stmts->let.list[j];
-
- if (!strcmp(let->var->name, darg->var->name)) {
- darg->let = let;
- check = 1;
- break;
- }
- }
- if (!check) {
- data->error(PSI_WARNING, "Missing `let` statement for arg '%s %.*s%s'"
- " of declaration '%s' for implementation '%s'",
- darg->type->name, (int) darg->var->pointer_level, "*****",
- darg->var->name, impl->decl->func->var->name, impl->func->name);
- return 0;
- }
- }
- /* check that the let_value references a known variable or NULL */
- for (i = 0; i < impl->stmts->let.count; ++i) {
- let_stmt *let = impl->stmts->let.list[i];
- int check = 0;
-
- if (let->val && let->val->func && let->val->func->alloc) {
- if (!validate_decl_type(data, let->val->func->alloc->type)) {
- data->error(PSI_WARNING, "Cannot use '%s' as type for calloc in `let` statement",
- let->val->func->alloc->type->name);
- return 0;
- }
- }
- if (let->val && let->val->var) {
- if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) {
- impl_arg *iarg = impl->func->args->args[j];
-
- if (!strcmp(let->val->var->name, iarg->var->name)) {
- let->arg = iarg;
- check = 1;
- break;
+ if (n < 0) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING,
+ "Failed to scan PSI directory '%s':%s", strerror(errno));
+ } else {
+ for (i = 0; i < n; ++i) {
+ worker = psi_context_build_worker_init(C, ptr, entries[i]->d_name);
+ if (worker) {
+ workers = psi_plist_add(workers, &worker);
}
+ free(entries[i]);
}
- if (!check) {
- data->error(PSI_WARNING, "Unknown value '$%s' of `let` statement"
- " for variable '%s' of implementation '%s'",
- let->val->var->name, let->var->name, impl->func->name);
- return 0;
- }
- }
- }
- return 1;
-}
-static inline int validate_impl_set_stmts(PSI_Data *data, impl *impl) {
- size_t i, j, k;
- /* we can have any count of set stmts; processing out vars */
- /* check that set stmts reference known variables */
- for (i = 0; i < impl->stmts->set.count; ++i) {
- set_stmt *set = impl->stmts->set.list[i];
- int check = 0;
-
- if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) {
- impl_arg *iarg = impl->func->args->args[j];
-
- if (!strcmp(set->var->name, iarg->var->name)) {
- set->arg = iarg;
- check = 1;
- break;
- }
- }
- if (!check) {
- data->error(PSI_WARNING, "Unknown variable '$%s' of `set` statement"
- " of implementation '%s'",
- set->var->name, impl->func->name);
- return 0;
+ free(entries);
}
+ ptr = sep + 1;
+ } while (sep);
- for (j = 0; j < set->val->vars->count; ++j) {
- decl_var *set_var = set->val->vars->vars[j];
+ free(cpy);
- check = 0;
- if (impl->decl->args) for (k = 0; k < impl->decl->args->count; ++k) {
- decl_arg *set_arg = impl->decl->args->args[k];
+ 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
- if (!strcmp(set_var->name, set_arg->var->name)) {
- check = 1;
- set_var->arg = set_arg;
- if (!validate_set_value(data, set->val, set_arg, impl->decl->args)) {
- return 0;
- }
- break;
+ while (psi_plist_count(workers) && active < pool) {
+ if (psi_plist_pop(workers, &worker)) {
+ if (psi_context_build_worker_exec(worker)) {
+ running = psi_plist_add(running, &worker);
+ ++active;
}
}
-
- if (!check) {
- data->error(PSI_WARNING, "Unknown value '%s' of `set` statement"
- " for variable '$%s' of implementation '%s'",
- set_var->name, set->arg->var->name, impl->func->name);
- return 0;
- }
}
- }
- return 1;
-}
-static inline decl *locate_free_decl(decls *decls, free_call *f) {
- if (decls) {
- size_t i;
-
- for (i = 0; i < decls->count; ++i) {
- if (!strcmp(decls->list[i]->func->var->name, f->func)) {
- f->decl = decls->list[i];
- return decls->list[i];
- }
- }
- }
+ while (active) {
+ size_t i = 0;
- return NULL;
-}
-static inline int validate_impl_free_stmts(PSI_Data *data, impl *impl) {
- size_t i, j, k, l;
- /* we can have any count of free stmts; freeing any out vars */
- for (i = 0; i < impl->stmts->fre.count; ++i) {
- free_stmt *fre = impl->stmts->fre.list[i];
-
- for (j = 0; j < fre->calls->count; ++j) {
- free_call *free_call = fre->calls->list[j];
-
- /* first find the decl of the free func */
- if (!locate_free_decl(data->decls, free_call)) {
- data->error(PSI_WARNING, "Unknown function '%s' in `free` statement"
- " of implementation '%s'", free_call->func, impl->func->name);
- return 0;
- }
- if (!impl->decl->args) {
- data->error(PSI_WARNING, "Declaration '%s' of implementation '%s'"
- " does not have any arguments to free",
- impl->decl->func->var->name, impl->func->name);
- }
+ while (psi_plist_get(running, i++, &worker)) {
+ if (psi_context_build_worker_done(worker)) {
+ psi_context_add(C, &worker->parser);
- /* now check for known vars */
- for (l = 0; l < free_call->vars->count; ++l) {
- int check = 0;
- decl_var *free_var = free_call->vars->vars[l];
+ psi_plist_del(running, --i, NULL);
+ psi_context_build_worker_free(&worker);
- for (k = 0; k < impl->decl->args->count; ++k) {
- decl_arg *free_arg = impl->decl->args->args[k];
-
- if (!strcmp(free_var->name, free_arg->var->name)) {
- check = 1;
- free_var->arg = free_arg;
- break;
+ if (psi_plist_pop(workers, &worker)) {
+ psi_plist_add(running, &worker);
+ } else {
+ --active;
}
}
-
- if (!check) {
- data->error(PSI_WARNING, "Unknown variable '%s' of `free` statement"
- " of implementation '%s'",
- free_var->name, impl->func->name);
- return 0;
- }
}
}
}
- return 1;
-}
-static inline int validate_impl_stmts(PSI_Data *data, impl *impl) {
- if (!impl->stmts) {
- data->error(PSI_WARNING, "Missing body for implementation %s!",
- impl->func->name);
- return 0;
- }
-
- if (!validate_impl_ret_stmt(data, impl)) {
- return 0;
- }
-
- if (!validate_impl_let_stmts(data, impl)) {
- return 0;
- }
- if (!validate_impl_set_stmts(data, impl)) {
- return 0;
- }
- if (!validate_impl_free_stmts(data, impl)) {
- return 0;
- }
- return 1;
+ psi_context_compile(C);
}
-PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error)
+#include <ctype.h>
+static inline bool prefix_match(zend_string *a, zend_string *b)
{
size_t i;
- PSI_Data T;
- struct psi_predef_type *predef_type;
- struct psi_predef_const *predef_const;
- struct psi_predef_struct *predef_struct;
- struct psi_predef_decl *predef_decl;
- if (!C) {
- C = malloc(sizeof(*C));
+ 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;
+ }
}
- memset(C, 0, sizeof(*C));
- C->error = error;
- C->ops = ops;
+ return true;
+}
- if (ops->init) {
- ops->init(C);
- }
+static inline void psi_context_consts_init(struct psi_context *C)
+{
+ zend_constant zc;
- ZEND_ASSERT(ops->call != NULL);
- ZEND_ASSERT(ops->compile != NULL);
+ ZEND_CONSTANT_SET_FLAGS(&zc, CONST_CS|CONST_PERSISTENT, EG(current_module)->module_number);
- /* build up predefs in a temporary PSI_Data for validation */
- memset(&T, 0, sizeof(T));
- T.error = error;
+ if (C->consts) {
+ size_t i = 0;
+ struct psi_const *c;
- for (predef_type = &psi_predef_types[0]; predef_type->type_tag; ++predef_type) {
- decl_type *type = init_decl_type(predef_type->type_tag, predef_type->type_name);
- decl_typedef *def = init_decl_typedef(predef_type->alias, type);
+ while (psi_plist_get(C->consts, i++, &c)) {
- T.defs = add_decl_typedef(T.defs, def);
- }
- for (predef_const = &psi_predef_consts[0]; predef_const->type_tag; ++predef_const) {
- impl_def_val *val = init_impl_def_val(predef_const->val_type_tag, predef_const->val_text);
- const_type *type = init_const_type(predef_const->type_tag, predef_const->type_name);
- constant *constant = init_constant(type, predef_const->var_name, val);
+ if (zend_get_constant(c->name)) {
+ continue;
+ }
- T.consts = add_constant(T.consts, constant);
- }
- for (predef_struct = &psi_predef_structs[0]; predef_struct->type_tag; ++predef_struct) {
- struct psi_predef_struct *member;
- decl_args *dargs = init_decl_args(NULL);
- decl_struct *dstruct = init_decl_struct(predef_struct->var_name, dargs);
-
- dstruct->size = predef_struct->size;
- for (member = &predef_struct[1]; member->type_tag; ++member) {
- decl_type *type;
- decl_var *dvar;
- decl_arg *darg;
-
- type = init_decl_type(member->type_tag, member->type_name);
- dvar = init_decl_var(member->var_name, member->pointer_level, member->array_size);
- darg = init_decl_arg(type, dvar);
- darg->layout = init_decl_struct_layout(member->offset, member->size);
- dargs = add_decl_arg(dargs, darg);
- }
+ 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);
- T.structs = add_decl_struct(T.structs, dstruct);
- predef_struct = member;
- }
- for (predef_decl = &psi_predef_decls[0]; predef_decl->type_tag; ++predef_decl) {
- struct psi_predef_decl *farg;
- decl_type *ftype = init_decl_type(predef_decl->type_tag, predef_decl->type_name);
- decl_var *fname = init_decl_var(predef_decl->var_name, predef_decl->pointer_level, predef_decl->array_size);
- decl_arg *func = init_decl_arg(ftype, fname);
- decl_args *args = init_decl_args(NULL);
- decl *decl = init_decl(init_decl_abi("default"), func, args);
-
-
- for (farg = &predef_decl[1]; farg->type_tag; ++farg) {
- decl_type *arg_type = init_decl_type(farg->type_tag, farg->type_name);
- decl_var *arg_var = init_decl_var(farg->var_name, farg->pointer_level, farg->array_size);
- decl_arg *darg = init_decl_arg(arg_type, arg_var);
- args = add_decl_arg(args, darg);
+ zend_register_constant(&zc);
}
-
- T.decls = add_decl(T.decls, decl);
- predef_decl = farg;
}
+ if (C->enums) {
+ size_t i = 0;
+ struct psi_decl_enum *e;
- for (i = 0; i < T.defs->count; ++i) {
- decl_typedef *def = T.defs->list[i];
+ while (psi_plist_get(C->enums, i++, &e)) {
+ size_t j = 0;
+ struct psi_decl_enum_item *item;
- if (validate_decl_typedef(&T, def)) {
- C->defs = add_decl_typedef(C->defs, def);
- }
- }
+ while (psi_plist_get(e->items, j++, &item)) {
+ zend_string *name;
- for (i = 0; i < T.consts->count; ++i) {
- constant *constant = T.consts->list[i];
+ if (psi_decl_type_is_anon(e->name, "enum")
+ || prefix_match(e->name, item->name)) {
+ name = strpprintf(0, "psi\\%s", item->name->val);
+ } else {
- if (validate_constant(&T, constant)) {
- C->consts = add_constant(C->consts, constant);
- }
- }
+ name = strpprintf(0, "psi\\%s\\%s", e->name->val, item->name->val);
+ }
- for (i = 0; i < T.structs->count; ++i) {
- decl_struct *dstruct = T.structs->list[i];
+ if (zend_get_constant(name)) {
+ zend_string_release(name);
+ continue;
+ }
- if (validate_decl_struct(&T, dstruct)) {
- C->structs = add_decl_struct(C->structs, dstruct);
+ 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);
+ }
}
}
+}
- for (i = 0; i < T.decls->count; ++i) {
- decl *decl = T.decls->list[i];
+static inline void psi_context_extvars_init(struct psi_context *C)
+{
+ if (C->vars) {
+ size_t v = 0;
+ struct psi_decl_extvar *evar;
- if (validate_decl(&T, NULL, decl)) {
- C->decls = add_decl(C->decls, decl);
+ while (psi_plist_get(C->vars, v++, &evar)) {
+ C->ops->extvar_init(C, evar);
}
}
-
- C->count = 1;
- C->data = malloc(sizeof(*C->data));
- PSI_DataExchange(C->data, &T);
-
- return C;
}
-int PSI_ContextValidate(PSI_Context *C, PSI_Parser *P)
+static inline void psi_context_callback_init(struct psi_context *C,
+ struct psi_let_exp *let_exp, struct psi_impl *impl)
{
- PSI_Data *D;
- void *dlopened = NULL;
- size_t count = C->count++;
-
- C->data = realloc(C->data, C->count * sizeof(*C->data));
- D = PSI_DataExchange(&C->data[count], PSI_DATA(P));
-
- if (D->defs) {
- size_t i;
-
- for (i = 0; i < D->defs->count; ++i) {
- if (validate_decl_typedef(PSI_DATA(C), D->defs->list[i])) {
- C->defs = add_decl_typedef(C->defs, D->defs->list[i]);
+ 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;
}
- if (D->structs) {
- size_t i;
+}
- for (i = 0; i < D->structs->count; ++i) {
- if (validate_decl_struct(PSI_DATA(C), D->structs->list[i])) {
- C->structs = add_decl_struct(C->structs, D->structs->list[i]);
+static inline void psi_context_callback_dtor(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_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) {
- size_t i;
+}
- for (i = 0; i < D->consts->count; ++i) {
- if (validate_constant(PSI_DATA(C), D->consts->list[i])) {
- C->consts = add_constant(C->consts, D->consts->list[i]);
- }
- }
- }
+static inline void psi_context_impls_init(struct psi_context *C)
+{
+ size_t nf = 0;
+ zend_function_entry *zfe = NULL;
- if (!validate_lib(D, &dlopened)) {
- return 0;
- }
+ if (C->impls) {
+ size_t i = 0;
+ struct psi_impl *impl;
- add_decl_lib(&C->psi.libs, dlopened);
+ zfe = pecalloc(psi_plist_count(C->impls) + 1, sizeof(*zfe), 1);
- if (D->decls) {
- size_t i;
+ while (psi_plist_get(C->impls, i++, &impl)) {
+ zend_function_entry *zf = &zfe[nf];
+ struct psi_let_stmt *let;
+ size_t l = 0;
- for (i = 0; i < D->decls->count; ++i) {
- if (validate_decl(PSI_DATA(C), dlopened, D->decls->list[i])) {
- C->decls = add_decl(C->decls, D->decls->list[i]);
+ if (!impl->decl) {
+ continue;
+ }
+ 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;
}
}
- if (D->impls) {
- size_t i;
- for (i = 0; i < D->impls->count; ++i) {
- if (validate_impl_stmts(PSI_DATA(C), D->impls->list[i])) {
- C->impls = add_impl(C->impls, D->impls->list[i]);
+ C->closures = zfe;
+}
+
+static inline void psi_context_decls_init(struct psi_context *C)
+{
+ if (C->decls) {
+ size_t d = 0;
+ struct psi_decl *decl;
+
+ while (psi_plist_get(C->decls, d++, &decl)) {
+ if (!decl->info) {
+ C->ops->decl_init(C, decl);
}
}
}
-
- return 1;
}
-static int psi_select_dirent(const struct dirent *entry)
+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)
{
-#ifndef FNM_CASEFOLD
-#define FNM_CASEFOLD 0
-#endif
- return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD);
+ void *ele = C->ops->typeof_decl(C, PSI_T_INT8);
+
+ while (padding--) {
+ void *pad = C->ops->copyof_type(C, ele);
+ data->els = psi_plist_add(data->els, &pad);
+ }
}
-void PSI_ContextBuild(PSI_Context *C, const char *paths)
+static inline void psi_struct_type_element(struct psi_context *C,
+ struct psi_struct_type_data *data, struct psi_decl_arg *darg)
{
- int i, n, flags = psi_check_env("PSI_DEBUG") ? PSI_PARSER_DEBUG : 0;
- char *sep = NULL, *cpy = strdup(paths), *ptr = cpy;
- struct dirent **entries = NULL;
-
+ void *type, *copy;
+ size_t i;
+ struct psi_layout type_layout;
- do {
- sep = strchr(ptr, ':');
+ 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;
+ }
- if (sep) {
- *sep = 0;
- }
+ type = psi_context_decl_arg_full_type(C, darg);
+ C->ops->layoutof_type(C, type, &type_layout);
- n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
+ if (type_layout.pos > data->max_align) {
+ data->max_align = type_layout.pos;
+ }
- if (n > 0) {
- for (i = 0; i < n; ++i) {
- char psi[MAXPATHLEN];
- PSI_Parser P;
+ assert(type_layout.len <= darg->layout->len);
- if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", ptr, entries[i]->d_name)) {
- C->error(PSI_WARNING, "Path to PSI file too long: %s/%s",
- ptr, entries[i]->d_name);
- }
- if (!PSI_ParserInit(&P, psi, C->error, flags)) {
- C->error(PSI_WARNING, "Failed to init PSI parser (%s): %s",
- psi, strerror(errno));
- continue;
- }
+ 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;
+}
- while (0 < PSI_ParserScan(&P)) {
- PSI_ParserParse(&P, PSI_TokenAlloc(&P));
- if (P.num == PSI_T_EOF) {
- break;
- }
- }
+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};
- PSI_ParserParse(&P, NULL);
- PSI_ContextValidate(C, &P);
- PSI_ParserDtor(&P);
- }
+ 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);
+ }
- if (entries) {
- for (i = 0; i < n; ++i) {
- free(entries[i]);
- }
- free(entries);
- }
+ 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);
- ptr = sep + 1;
- } while (sep);
+ *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 (PSI_ContextCompile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
- C->error(PSI_WARNING, "Failed to register functions!");
+ if (real != darg->type && darg->type->real.def->var->pointer_level) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
}
- free(cpy);
+ 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);
}
-zend_function_entry *PSI_ContextCompile(PSI_Context *C)
+void *psi_context_decl_arg_call_type(struct psi_context *C,
+ struct psi_decl_arg *darg)
{
- size_t i;
-
- if (C->consts) {
- zend_constant zc;
-
- zc.flags = CONST_PERSISTENT|CONST_CS;
- zc.module_number = EG(current_module)->module_number;
-
- for (i = 0; i < C->consts->count; ++i) {
- constant *c = C->consts->list[i];
-
- 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));
-
- 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;
- }
- zend_register_constant(&zc);
- }
+ if (darg->var->pointer_level) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
}
- return C->closures = C->ops->compile(C);
+ return psi_context_decl_arg_type(C, darg);
}
-
-void PSI_ContextCall(PSI_Context *C, impl_val *ret_val, decl *decl)
+void *psi_context_decl_arg_full_type(struct psi_context *C,
+ struct psi_decl_arg *darg)
{
- errno = 0;
- C->ops->call(C, ret_val, decl);
+ 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);
}
-static inline void dump_decl_type(int fd, decl_type *t) {
- const char *pre;
+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 (t->type) {
+ switch (dtype->type) {
case PSI_T_STRUCT:
- pre = "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:
- pre = "";
- }
- dprintf(fd, "%s%s", pre, t->name);
-}
-static inline void dump_decl_var(int fd, decl_var *v) {
- dprintf(fd, "%.*s%s", v->pointer_level-!!v->array_size, "**********", v->name);
- if (v->array_size) {
- dprintf(fd, "[%u]", v->array_size);
+ 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);
}
-static inline void dump_decl_arg(int fd, decl_arg *a) {
- dump_decl_type(fd, a->type);
- dprintf(fd, " ");
- dump_decl_var(fd, a->var);
-}
-static inline void dump_level(int fd, unsigned level) {
- dprintf(fd, "%.*s", level, "\t\t\t\t\t\t\t\t\t");
-}
-static inline void dump_impl_set_value(int fd, set_value *set, unsigned level) {
+
+/*
+void psi_context_decl_func_array_elements(struct psi_context *C,
+ struct psi_decl *fn, struct psi_plist **els)
+{
+ void *type;
size_t i;
- if (level > 1) {
- /* only if not directly after `set ...` */
- dump_level(fd, level);
+ if (fn->func->var->pointer_level > 1) {
+ type = C->ops->typeof_decl(C, PSI_T_POINTER);
+ } else {
+ type = psi_context_decl_type(C, fn->func->type);
}
- dprintf(fd, "%s(", set->func->name);
- for (i = 0; i < set->vars->count; ++i) {
- decl_var *svar = set->vars->vars[i];
- if (i) {
- dprintf(fd, ", ");
- }
- dump_decl_var(fd, svar);
+ for (i = 0; i < fn->func->var->array_size; ++i) {
+ void *copy = C->ops->copyof_type(C, type);
+ *els = psi_plist_add(*els, ©);
}
- if (set->inner) {
- dprintf(fd, ",\n");
- for (i = 0; i < set->count; ++i) {
- dump_impl_set_value(fd, set->inner[i], level+1);
+}
+
+void *psi_context_decl_func_type(struct psi_context *C, struct psi_decl *fn)
+{
+ struct psi_decl_arg *darg = fn->func;
+
+ if (darg->engine.type) {
+ return darg->engine.type;
+ }
+
+ if (darg->var->pointer_level) {
+ if (!darg->var->array_size) {
+ return C->ops->typeof_decl(C, PSI_T_POINTER);
+ } else {
+ C->ops->composite_init(C, darg);
+ return darg->engine.type;
}
- /* only if inner stmts, i.e. with new lines, were dumped */
- dump_level(fd, level);
}
- if (level > 1) {
- dprintf(fd, "),\n");
- } else {
- dprintf(fd, ");\n");
+
+ return psi_context_decl_type(C, darg->type);
+}
+*/
+
+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_ContextDump(PSI_Context *C, int fd)
+
+ZEND_RESULT_CODE psi_context_call(struct psi_context *C, zend_execute_data *execute_data, zval *return_value, struct psi_impl *impl)
{
- size_t i, j, k, l;
+ struct psi_call_frame *frame;
-#ifdef HAVE_LIBJIT
- if (C->ops == PSI_Libjit()) {
- dprintf(fd, "// psi.engine=jit\n");
+ frame = psi_call_frame_init(C, impl->decl, impl);
+
+ if (SUCCESS != psi_call_frame_parse_args(frame, execute_data)) {
+ psi_call_frame_free(frame);
+
+ return FAILURE;
}
-#endif
-#ifdef HAVE_LIBFFI
- if (C->ops == PSI_Libffi()) {
- dprintf(fd, "// psi.engine=ffi\n");
+
+ psi_call_frame_enter(frame);
+
+ if (SUCCESS != psi_call_frame_do_let(frame)) {
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_free(frame);
+
+ return FAILURE;
}
-#endif
- dprintf(fd, "\n");
- if (C->defs) {
- for (i = 0; i < C->defs->count; ++i) {
- decl_typedef *tdef = C->defs->list[i];
+ if (SUCCESS != psi_call_frame_do_assert(frame, PSI_ASSERT_PRE)) {
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_free(frame);
- dprintf(fd, "typedef ");
- dump_decl_type(fd, tdef->type);
- dprintf(fd, " %s;\n", tdef->alias);
- }
- dprintf(fd, "\n");
+ return FAILURE;
}
- if (C->structs) {
- for (i = 0; i < C->structs->count; ++i) {
- decl_struct *strct = C->structs->list[i];
+ if (psi_call_frame_num_var_args(frame)) {
+ C->ops->call_va(frame);
+ } else {
+ C->ops->call(frame);
+ }
- dprintf(fd, "struct %s::(%zu) {\n", strct->name, strct->size);
- if (strct->args) for (j = 0; j < strct->args->count; ++j) {
- decl_arg *sarg = strct->args->args[j];
+ if (SUCCESS != psi_call_frame_do_assert(frame, PSI_ASSERT_POST)) {
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_free(frame);
- dprintf(fd, "\t");
- dump_decl_arg(fd, sarg);
- dprintf(fd, "::(%zu, %zu);\n", sarg->layout->pos, sarg->layout->len);
- }
- dprintf(fd, "}\n");
- }
- dprintf(fd, "\n");
+ return FAILURE;
}
- if (C->consts) {
- for (i = 0; i < C->consts->count; ++i) {
- constant *cnst = C->consts->list[i];
-
- dprintf(fd, "const %s %s = ", cnst->type->name, cnst->name);
- if (cnst->val->type == PSI_T_QUOTED_STRING) {
- dprintf(fd, "\"%s\";\n", cnst->val->text);
- } else {
- dprintf(fd, "%s;\n", cnst->val->text);
+
+ 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 SUCCESS;
+}
+
+
+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);
}
- dprintf(fd, "\n");
+
}
- if (C->decls) {
- for (i = 0; i < C->decls->count; ++i) {
- decl *decl = C->decls->list[i];
-
- dprintf(fd, "%s ", decl->abi->convention);
- dump_decl_arg(fd, decl->func);
- dprintf(fd, "(");
- if (decl->args) for (j = 0; j < decl->args->count; ++j) {
- if (j) {
- dprintf(fd, ", ");
- }
- dump_decl_arg(fd, decl->args->args[j]);
- }
- dprintf(fd, ");\n");
+ 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);
}
- dprintf(fd, "\n");
}
if (C->impls) {
- for (i = 0; i < C->impls->count; ++i) {
- impl *impl = C->impls->list[i];
-
- dprintf(fd, "function %s(", impl->func->name);
- if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) {
- impl_arg *iarg = impl->func->args->args[j];
-
- dprintf(fd, "%s%s %s$%s",
- j ? ", " : "",
- iarg->type->name,
- iarg->var->reference ? "&" : "",
- iarg->var->name);
- if (iarg->def) {
- dprintf(fd, " = %s", iarg->def->text);
- }
- }
- dprintf(fd, ") : %s%s {\n",
- impl->func->return_reference ? "&":"",
- impl->func->return_type->name);
- if (impl->stmts) {
- for (j = 0; j < impl->stmts->let.count; ++j) {
- let_stmt *let = impl->stmts->let.list[j];
-
- dprintf(fd, "\tlet %s", let->var->name);
- if (let->val) {
- dprintf(fd, " = %s", let->val->is_reference ? "&" : "");
- if (let->val->func) {
- dprintf(fd, "%s(", let->val->func->name);
- if (let->val->func->alloc) {
- dprintf(fd, "%zu, ", let->val->func->alloc->n);
- dump_decl_type(fd, let->val->func->alloc->type);
- } else {
- dprintf(fd, "$%s", let->val->var->name);
- }
- dprintf(fd, ");\n");
- } else {
- dprintf(fd, "NULL;\n");
- }
- }
- }
- for (j = 0; j < impl->stmts->ret.count; ++j) {
- return_stmt *ret = impl->stmts->ret.list[j];
+ size_t i = 0;
+ struct psi_impl *impl;
- dprintf(fd, "\treturn ");
- dump_impl_set_value(fd, ret->set, 1);
- }
- for (j = 0; j < impl->stmts->set.count; ++j) {
- set_stmt *set = impl->stmts->set.list[j];
+ while (psi_plist_get(C->impls, i++, &impl)) {
+ struct psi_let_stmt *let;
+ size_t j = 0;
- dprintf(fd, "\tset $%s = ", set->var->name);
- dump_impl_set_value(fd, set->val, 1);
- }
- for (j = 0; j < impl->stmts->fre.count; ++j) {
- free_stmt *fre = impl->stmts->fre.list[j];
-
- dprintf(fd, "\tfree ");
- for (k = 0; k < fre->calls->count; ++k) {
- free_call *call = fre->calls->list[k];
-
- if (k) {
- dprintf(fd, ", ");
- }
- dprintf(fd, "%s(", call->func);
- for (l = 0; l < call->vars->count; ++l) {
- decl_var *fvar = call->vars->vars[l];
-
- dump_decl_var(fd, fvar);
- }
- dprintf(fd, ");\n");
- }
- }
+ while (psi_plist_get(impl->stmts.let, j++, &let)) {
+ psi_context_callback_dtor(C, let->exp, impl);
}
- dprintf(fd, "}\n");
+
+ C->ops->impl_dtor(C, impl);
}
- dprintf(fd, "\n");
}
-}
-
-void PSI_ContextDtor(PSI_Context *C)
-{
- size_t i;
- zend_function_entry *zfe;
if (C->ops->dtor) {
C->ops->dtor(C);
}
- free_decl_libs(&C->psi.libs);
+ psi_data_dtor(PSI_DATA(C));
if (C->data) {
for (i = 0; i < C->count; ++i) {
- PSI_DataDtor(&C->data[i]);
+ psi_data_dtor(&C->data[i]);
}
free(C->data);
}
if (C->closures) {
for (zfe = C->closures; zfe->fname; ++zfe) {
- free((void *) zfe->arg_info);
+ pefree((void *) zfe->arg_info, 1);
}
- free(C->closures);
+ pefree(C->closures, 1);
}
-
- if (C->consts) {
- if (C->consts->list) {
- free(C->consts->list);
- }
- free(C->consts);
- }
- if (C->defs) {
- if (C->defs->list) {
- free(C->defs->list);
- }
- free(C->defs);
- }
- if (C->structs) {
- if (C->structs->list) {
- free(C->structs->list);
- }
- free(C->structs);
- }
- if (C->decls) {
- if (C->decls->list) {
- free(C->decls->list);
- }
- free(C->decls);
- }
- if (C->impls) {
- if (C->impls->list) {
- free(C->impls->list);
- }
- free(C->impls);
- }
-
- memset(C, 0, sizeof(*C));
}
-void PSI_ContextFree(PSI_Context **C)
+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
+}
projects / m6w6 / ext-psi / blobdiff