X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fcontext.c;h=ebe4e08ed5fddabe4cb34f3e35cfae3202d89bed;hp=727388bcca095f9e521903ac5810bba2eddbd6bb;hb=fb8f7887c289ae74d6e8dd85d55ae09e6796e890;hpb=5d54598329a4d04dd0080bc1252d1de85a7befef diff --git a/src/context.c b/src/context.c index 727388b..ebe4e08 100644 --- a/src/context.c +++ b/src/context.c @@ -1,86 +1,34 @@ +/******************************************************************************* + Copyright (c) 2016, Michael Wallner . + 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 -#ifdef HAVE_SYS_TYPES_H -# include -#endif -#ifdef HAVE_SYS_STAT_H -# include -#endif -#ifdef STDC_HEADERS -# include -# include -#else -# ifdef HAVE_STDLIB_H -# include -# endif -#endif -#ifdef HAVE_STRING_H -# if !defined STDC_HEADERS && defined HAVE_MEMORY_H -# include -# endif -# include -#endif -#ifdef HAVE_STRINGS_H -# include -#endif -#ifdef HAVE_INTTYPES_H -# include -#endif -#ifdef HAVE_STDINT_H -# include -#endif -#ifdef HAVE_UNISTD_H -# include -#endif - -#ifdef HAVE_ERRNO_H -# include -#endif -#ifdef HAVE_GLOB_H -# include -#endif -#ifdef HAVE_NETINET_IN_H -# include -#endif -#ifdef HAVE_ARPA_NAMESER_H -# include -#endif -#ifdef HAVE_NETDB_H -# include -#endif -#ifdef HAVE_RESOLV_H -# include -#endif -#ifdef HAVE_SYS_SELECT_H -# include -#endif -#ifdef HAVE_SYS_SOCKET_H -# include -#endif -#ifdef HAVE_SYS_TIME_H -# include -#endif -#ifdef HAVE_SYS_TIMES_H -# include -#endif -#ifdef HAVE_SYS_UIO_H -# include -#endif -#ifdef HAVE_SYS_UTSNAME_H -# include -#endif -#ifdef HAVE_TIME_H -# include -#endif -#ifdef HAVE_WCHAR_H -# include -#endif - #ifdef HAVE_DIRENT_H # include # define NAMLEN(dirent) strlen ((dirent)->d_name) @@ -98,1004 +46,855 @@ # endif #endif -#include -#include +#include #include -#include "php.h" +#if PSI_THREADED_PARSER +# include +#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" -#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; - size_t size; - 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) - -PHP_PSI_MACROS +#include "token.h" +#include "parser.h" -typedef struct psi_predef_func { - const char *name; - void (*func)(void); -} psi_predef_func; -static psi_predef_func psi_predef_funcs[] = { - PHP_PSI_FUNCS{0} -}; -#define psi_predef_func_count() psi_predef_count(_func) - -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 (!(*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; -} +PHP_MINIT_FUNCTION(psi_context) +{ + unsigned flags = 0; + struct psi_context_ops *ops = NULL; -static inline int locate_decl_type_alias(decl_typedefs *defs, decl_type *type) { - size_t i; +#ifdef HAVE_LIBJIT + if (!strcasecmp(PSI_G(engine), "jit")) { + ops = psi_libjit_ops(); + } else +#endif +#ifdef HAVE_LIBFFI + ops = psi_libffi_ops(); +#endif - if (type->real) { - return 1; + if (!ops) { + php_error(E_WARNING, "No PSI engine found"); + return FAILURE; } - for (i = 0; i < defs->count; ++i) { - if (!strcmp(defs->list[i]->alias, type->name)) { - type->real = defs->list[i]->type; - return 1; - } + + PSI_G(ops) = ops; + if (ops->load && !ops->load()) { + return FAILURE; } - return 0; -} -static inline int locate_decl_type_struct(decl_structs *structs, decl_type *type) { - size_t i; - if (type->strct) { - return 1; + if (psi_check_env("PSI_DEBUG")) { + flags |= PSI_DEBUG; } - for (i = 0; i < structs->count; ++i) { - if (!strcmp(structs->list[i]->name, type->name)) { - type->strct = structs->list[i]; - return 1; - } + if (psi_check_env("PSI_SILENT")) { + flags |= PSI_SILENT; } - return 0; + + 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; } -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; - } - return validate_decl_type(data, type->real); - 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'", - def->type->name, 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; - } +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); + + 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 (!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; } - data->error(PSI_WARNING, "Invalid calling convention: '%s'", abi->convention); - return 0; + return w; } -static inline int validate_decl_func(PSI_Data *data, void *dl, decl *decl, decl_arg *func) + +#if PSI_THREADED_PARSER +static void *psi_context_build_worker_thread(void *thread_ptr) { - size_t i; + struct psi_context_build_worker *thread = thread_ptr; + psi_parser_parse(&thread->parser, thread->input); + return NULL; +} - if (!strcmp(func->var->name, "dlsym")) { - data->error(PSI_WARNING, "Cannot dlsym dlsym (sic!)"); - return 0; - } +static bool psi_context_build_worker_thread_start( + struct psi_context_build_worker *w) +{ + unsigned tries = 0; + int rc; - if (!validate_decl_arg(data, func)) { - return 0; - } - for (i = 0; i < psi_predef_func_count(); ++i) { - psi_predef_func *pre = &psi_predef_funcs[i]; +again: ; + rc = pthread_create(&w->tid, NULL, psi_context_build_worker_thread, w); - if (!strcmp(func->var->name, pre->name)) { - decl->call.sym = pre->func; - break; + 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; } - 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()); - } + +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; } - return 1; +#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_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; +static bool psi_context_build_worker_done(struct psi_context_build_worker *w) +{ +#if PSI_THREADED_PARSER + void *rval = NULL; + + if (!w->tid) { + return true; } - 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; - } - } +# 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; } - return 1; +# endif + return false; +#else + return true; +#endif } -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 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 (!strcmp(var->name, arg->var->name)) { - return var->arg = arg; + if (rc) { + w->parser.error(PSI_DATA(&w->parser), NULL, PSI_WARNING, + "Failed to finish parser thread: %s", strerror(errno)); } } - - return NULL; +#endif + psi_parser_input_free(&w->input); + psi_parser_dtor(&w->parser); } -static inline decl_arg *locate_struct_member(decl_struct *s, decl_var *var) { - if (s->args) { - return locate_decl_var_arg(var, s->args); + +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_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; - EMPTY_SWITCH_DEFAULT_CASE(); - } +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); - for (i = 1; i < set->vars->count; ++i) { - if (!locate_decl_var_arg(set->vars->vars[i], ref_list)) { - return 0; - } - } - set_var->arg = ref; + do { + struct dirent **entries = NULL; + int i, n; - if (set->count && (set->func->type != PSI_T_TO_ARRAY || (ref_type->type != PSI_T_STRUCT && !ref->var->arg->var->pointer_level))) { - data->error(E_WARNING, "Inner `set` statement casts only work with to_array() casts on structs or pointers"); - return 0; - } + if ((sep = strchr(ptr, ':'))) { + *sep = 0; + } - 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); + n = php_scandir(ptr, &entries, psi_select_dirent, alphasort); - if (sub_ref) { - if (!validate_set_value(data, set->inner[i], sub_ref, ref_type->strct->args)) { - return 0; + 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); } - set->inner[i]->outer.set = set; + free(entries[i]); } + free(entries); } - } 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); - - 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; + 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)) { + if (psi_context_build_worker_exec(worker)) { + running = psi_plist_add(running, &worker); + ++active; + } } - set->inner[0]->outer.set = set; } - } else if (set->count > 1) { - data->error(E_WARNING, "Inner `set` statement casts on pointers may only occur once"); - return 0; - } + while (active) { + size_t i = 0; - return 1; -} -static inline decl *locate_impl_decl(decls *decls, return_stmt *ret) { - if (decls) { - size_t i; + while (psi_plist_get(running, i++, &worker)) { + if (psi_context_build_worker_done(worker)) { + psi_context_add(C, &worker->parser); + + psi_plist_del(running, --i, NULL); + psi_context_build_worker_free(&worker); - 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]; + if (psi_plist_pop(workers, &worker)) { + psi_plist_add(running, &worker); + } else { + --active; + } + } } } } - return NULL; + psi_context_compile(C); } -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); + +#include +static inline bool prefix_match(zend_string *a, zend_string *b) +{ + size_t i; + + 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; } - return 0; } - ret = impl->stmts->ret.list[0]; + return true; +} - if (!(impl->decl = locate_impl_decl(data->decls, ret))) { - data->error(PSI_WARNING, "Missing declaration for implementation %s", - impl->func->name); - return 0; - } +static inline void psi_context_consts_init(struct psi_context *C) +{ + zend_constant zc; - if (!validate_set_value(data, ret->set, ret->decl, impl->decl->args)) { - return 0; - } + ZEND_CONSTANT_SET_FLAGS(&zc, CONST_CS|CONST_PERSISTENT, EG(current_module)->module_number); + + if (C->consts) { + size_t i = 0; + struct psi_const *c; - impl->decl->impl = impl; + while (psi_plist_get(C->consts, i++, &c)) { - 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 (zend_get_constant(c->name)) { + continue; } - } - 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; + + 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); } } - /* 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 (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 (!check) { - data->error(PSI_WARNING, "Unknown value '$%s' of `let` statement" - " for variable '%s' of implementation '%s'", - let->val->var->name, let->var->name, impl->func->name); - return 0; + + if (zend_get_constant(name)) { + zend_string_release(name); + continue; + } + + zc.name = zend_string_dup(name, 1); + ZVAL_LONG(&zc.value, psi_num_exp_get_long(item->num, NULL, NULL)); + zend_register_constant(&zc); + zend_string_release(name); } } } - return 1; } -static inline int validate_impl_set_stmts(PSI_Data *data, impl *impl) { - size_t i, j, k; - /* we can have any count of set stmts; processing out vars */ - /* check that set stmts reference known variables */ - for (i = 0; i < impl->stmts->set.count; ++i) { - set_stmt *set = impl->stmts->set.list[i]; - int check = 0; - - if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) { - impl_arg *iarg = impl->func->args->args[j]; - - if (!strcmp(set->var->name, iarg->var->name)) { - set->arg = iarg; - check = 1; - break; - } - } - if (!check) { - data->error(PSI_WARNING, "Unknown variable '$%s' of `set` statement" - " of implementation '%s'", - set->var->name, impl->func->name); - return 0; - } - for (j = 0; j < set->val->vars->count; ++j) { - decl_var *set_var = set->val->vars->vars[j]; - - check = 0; - if (impl->decl->args) for (k = 0; k < impl->decl->args->count; ++k) { - decl_arg *set_arg = impl->decl->args->args[k]; +static inline void psi_context_extvars_init(struct psi_context *C) +{ + if (C->vars) { + size_t v = 0; + struct psi_decl_extvar *evar; - if (!strcmp(set_var->name, set_arg->var->name)) { - check = 1; - if (!validate_set_value(data, set->val, set_arg, impl->decl->args)) { - return 0; - } - set_var->arg = set_arg; - break; - } - } + while (psi_plist_get(C->vars, v++, &evar)) { + C->ops->extvar_init(C, evar); + } + } +} - 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; +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; } - 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]; +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; } - - 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; + +static inline void psi_context_impls_init(struct psi_context *C) +{ + size_t nf = 0; + zend_function_entry *zfe = NULL; + + if (C->impls) { + size_t i = 0; + struct psi_impl *impl; + + zfe = pecalloc(psi_plist_count(C->impls) + 1, sizeof(*zfe), 1); + + while (psi_plist_get(C->impls, i++, &impl)) { + zend_function_entry *zf = &zfe[nf]; + struct psi_let_stmt *let; + size_t l = 0; + + if (!impl->decl) { + continue; } - 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); + 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); } - /* 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]; + 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; + } + } - for (k = 0; k < impl->decl->args->count; ++k) { - decl_arg *free_arg = impl->decl->args->args[k]; + C->closures = zfe; +} - if (!strcmp(free_var->name, free_arg->var->name)) { - check = 1; - free_var->arg = free_arg; - break; - } - } +static inline void psi_context_decls_init(struct psi_context *C) +{ + if (C->decls) { + size_t d = 0; + struct psi_decl *decl; - if (!check) { - data->error(PSI_WARNING, "Unknown variable '%s' of `free` statement" - " of implementation '%s'", - free_var->name, impl->func->name); - return 0; - } + while (psi_plist_get(C->decls, d++, &decl)) { + if (!decl->info) { + C->ops->decl_init(C, decl); } } } - 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; - } +struct psi_struct_type_data { + struct psi_plist *els; + size_t offset; + size_t max_align; +}; - return 1; +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); + + while (padding--) { + void *pad = C->ops->copyof_type(C, ele); + data->els = psi_plist_add(data->els, &pad); + } } -PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error) +static inline void psi_struct_type_element(struct psi_context *C, + struct psi_struct_type_data *data, struct psi_decl_arg *darg) { - size_t i, j; - PSI_Data T; + void *type, *copy; + size_t i; + struct psi_layout type_layout; - if (!C) { - C = malloc(sizeof(*C)); + 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; } - memset(C, 0, sizeof(*C)); - C->error = error; - C->ops = ops; + type = psi_context_decl_arg_full_type(C, darg); + C->ops->layoutof_type(C, type, &type_layout); - if (ops->init) { - ops->init(C); + if (type_layout.pos > data->max_align) { + data->max_align = type_layout.pos; } - ZEND_ASSERT(ops->call != NULL); - ZEND_ASSERT(ops->compile != NULL); + assert(type_layout.len <= darg->layout->len); - /* build up predefs in a temporary PSI_Data for validation */ - memset(&T, 0, sizeof(T)); - T.error = error; + 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; +} - 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); +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}; - T.defs = add_decl_typedef(T.defs, def); + 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); } - 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); - T.consts = add_constant(T.consts, constant); - } - 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); - decl_struct *dstruct; - - for (j = 0; j < PSI_PREDEF_STRUCT_MEMBERS; ++j) { - const psi_predef_struct_member *member = &pre->members[j]; - decl_type *type; - decl_var *dvar; - decl_arg *darg; - - if (!member->name) { - break; - } + 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); - type = init_decl_type(member->type_tag, member->type_name); - dvar = init_decl_var(member->name, member->pointer_level, member->array_size); - darg = init_decl_arg(type, dvar); - darg->layout = init_decl_struct_layout(member->off, member->len); - dargs = add_decl_arg(dargs, darg); - } + *els = data.els; +} - dstruct = init_decl_struct(pre->name, dargs); - dstruct->size = pre->size; - T.structs = add_decl_struct(T.structs, dstruct); +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); } - for (i = 0; i < psi_predef_type_count(); ++i) { - decl_typedef *def = T.defs->list[i]; + 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 (validate_decl_typedef(&T, def)) { - C->defs = add_decl_typedef(C->defs, def); - } + if (real->type == PSI_T_STRUCT) { + C->ops->composite_init(C, darg); + return darg->engine.type; } - for (i = 0; i < psi_predef_const_count(); ++i) { - constant *constant = T.consts->list[i]; + return C->ops->typeof_decl(C, real->type); +} - if (validate_constant(&T, constant)) { - C->consts = add_constant(C->consts, constant); - } +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); } - for (i = 0; i < psi_predef_struct_count(); ++i) { - decl_struct *dstruct = T.structs->list[i]; + return psi_context_decl_arg_type(C, darg); +} - if (validate_decl_struct(&T, dstruct)) { - C->structs = add_decl_struct(C->structs, dstruct); - } +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); } - C->count = 1; - C->data = malloc(sizeof(*C->data)); - PSI_DataExchange(C->data, &T); - - return C; + return psi_context_decl_arg_type(C, darg); } -int PSI_ContextValidate(PSI_Context *C, PSI_Parser *P) +void **psi_context_composite_type_elements(struct psi_context *C, + struct psi_decl_arg *darg, struct psi_plist **eles) { - 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)); + struct psi_decl_type *dtype; + struct psi_decl_arg *tmp; + void *type, *copy; - if (D->defs) { - size_t i; + dtype = psi_decl_type_get_real(darg->type); - 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]); - } + 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, ©); } - } - 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]); - } + 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, ©); } } - 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]); - } - } - } + return psi_plist_eles(*eles); +} + +/* +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 (!validate_lib(D, &dlopened)) { - return 0; + 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); } - add_decl_lib(&C->psi.libs, dlopened); + for (i = 0; i < fn->func->var->array_size; ++i) { + void *copy = C->ops->copyof_type(C, type); + *els = psi_plist_add(*els, ©); + } +} - if (D->decls) { - size_t i; +void *psi_context_decl_func_type(struct psi_context *C, struct psi_decl *fn) +{ + struct psi_decl_arg *darg = fn->func; - 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 (darg->engine.type) { + return darg->engine.type; } - 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]); - } + 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; } } - return 1; + return psi_context_decl_type(C, darg->type); } +*/ -static int psi_select_dirent(const struct dirent *entry) +void psi_context_compile(struct psi_context *C) { -#ifndef FNM_CASEFOLD -#define FNM_CASEFOLD 0 -#endif - return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD); + 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_ContextBuild(PSI_Context *C, const char *paths) +ZEND_RESULT_CODE psi_context_call(struct psi_context *C, zend_execute_data *execute_data, zval *return_value, struct psi_impl *impl) { - int i, n, flags = getenv("PSI_DEBUG") ? PSI_PARSER_DEBUG : 0; - char *sep = NULL, *cpy = strdup(paths), *ptr = cpy; - struct dirent **entries = NULL; + struct psi_call_frame *frame; + frame = psi_call_frame_init(C, impl->decl, impl); - do { - sep = strchr(ptr, ':'); + if (SUCCESS != psi_call_frame_parse_args(frame, execute_data)) { + psi_call_frame_free(frame); - if (sep) { - *sep = 0; - } + return FAILURE; + } - n = php_scandir(ptr, &entries, psi_select_dirent, alphasort); + psi_call_frame_enter(frame); - if (n > 0) { - for (i = 0; i < n; ++i) { - char psi[MAXPATHLEN]; - PSI_Parser P; + if (SUCCESS != psi_call_frame_do_let(frame)) { + psi_call_frame_do_return(frame, return_value); + psi_call_frame_free(frame); - 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; - } + return FAILURE; + } - while (-1 != PSI_ParserScan(&P)) { - PSI_ParserParse(&P, PSI_TokenAlloc(&P)); - }; - PSI_ParserParse(&P, NULL); - PSI_ContextValidate(C, &P); - PSI_ParserDtor(&P); - } - } + if (SUCCESS != psi_call_frame_do_assert(frame, PSI_ASSERT_PRE)) { + psi_call_frame_do_return(frame, return_value); + psi_call_frame_free(frame); - if (entries) { - for (i = 0; i < n; ++i) { - free(entries[i]); - } - free(entries); - } + return FAILURE; + } - ptr = sep + 1; - } while (sep); + if (psi_call_frame_num_var_args(frame)) { + C->ops->call_va(frame); + } else { + C->ops->call(frame); + } + if (SUCCESS != psi_call_frame_do_assert(frame, PSI_ASSERT_POST)) { + psi_call_frame_do_return(frame, return_value); + psi_call_frame_free(frame); - if (PSI_ContextCompile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) { - C->error(PSI_WARNING, "Failed to register functions!"); + return FAILURE; } - free(cpy); + 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; } -zend_function_entry *PSI_ContextCompile(PSI_Context *C) + +void psi_context_dtor(struct psi_context *C) { size_t i; + zend_function_entry *zfe; - 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); - } - } - - return C->closures = C->ops->compile(C); -} - + if (C->decls) { + size_t i = 0; + struct psi_decl *decl; -void PSI_ContextCall(PSI_Context *C, impl_val *ret_val, decl *decl) -{ - C->ops->call(C, ret_val, decl); -} + while (psi_plist_get(C->decls, i++, &decl)) { + size_t j = 0; + struct psi_decl_arg *darg; -static inline void dump_decl_type(int fd, decl_type *t) { - const char *pre; + 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); + } - switch (t->type) { - case PSI_T_STRUCT: - pre = "struct "; - 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); - } -} -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); -} -void PSI_ContextDump(PSI_Context *C, int fd) -{ - size_t i, j; + if (C->vars) { + size_t i = 0; + struct psi_decl_extvar *evar; -#ifdef HAVE_LIBJIT - if (C->ops == PSI_Libjit()) { - dprintf(fd, "#PSI(libjit)\n"); - } -#endif -#ifdef HAVE_LIBFFI - if (C->ops == PSI_Libffi()) { - dprintf(fd, "#PSI(libffi)\n"); + 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); + } } -#endif + if (C->impls) { + size_t i = 0; + struct psi_impl *impl; - if (C->defs) for (i = 0; i < C->defs->count; ++i) { - decl_typedef *tdef = C->defs->list[i]; + while (psi_plist_get(C->impls, i++, &impl)) { + struct psi_let_stmt *let; + size_t j = 0; - dprintf(fd, "typedef "); - dump_decl_type(fd, tdef->type); - dprintf(fd, " %s;\n", tdef->alias); - } - if (C->structs) for (i = 0; i < C->structs->count; ++i) { - decl_struct *strct = C->structs->list[i]; - decl_arg *sarg = NULL; - - dprintf(fd, "struct %s::(%zu) {\n", strct->name, strct->size); - for (j = 0; j < strct->args->count; ++j) { - sarg = strct->args->args[j]; - dprintf(fd, "\t"); - dump_decl_arg(fd, sarg); - dprintf(fd, "::(%zu, %zu);\n", sarg->layout->pos, sarg->layout->len); + while (psi_plist_get(impl->stmts.let, j++, &let)) { + psi_context_callback_dtor(C, let->exp, impl); + } + + C->ops->impl_dtor(C, impl); } - dprintf(fd, "}\n"); } - 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); - } - free(C->closures); - } - - 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); + pefree((void *) zfe->arg_info, 1); } - free(C->impls); + pefree(C->closures, 1); } - - 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 +}