X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fcontext.c;h=ebe4e08ed5fddabe4cb34f3e35cfae3202d89bed;hp=2d821ad2ab97d93d481ce5cf7f5f95fb434f5431;hb=fb8f7887c289ae74d6e8dd85d55ae09e6796e890;hpb=469fe3395cb9696e32bcd64639f22113d8fb2ec6 diff --git a/src/context.c b/src/context.c index 2d821ad..ebe4e08 100644 --- a/src/context.c +++ b/src/context.c @@ -1,243 +1,900 @@ -#include -#include -#include -#include +/******************************************************************************* + 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" + +#ifdef HAVE_DIRENT_H +# include +# define NAMLEN(dirent) strlen ((dirent)->d_name) +#else +# define dirent direct +# define NAMLEN(dirent) ((dirent)->d_namlen) +# ifdef HAVE_SYS_NDIR_H +# include +# endif +# ifdef HAVE_SYS_DIR_H +# include +# endif +# ifdef HAVE_NDIR_H +# include +# endif +#endif + +#include +#include + +#if PSI_THREADED_PARSER +# include +#endif + #include "php_scandir.h" -#include "context.h" +#include "php_psi.h" +#include "calc.h" +#include "call.h" +#include "libjit.h" +#include "libffi.h" + +#include "token.h" #include "parser.h" -#include "validator.h" - -#define psi_predef_count(of) ((sizeof(psi_predef ##of## s)/sizeof(psi_predef ##of))-1) -typedef struct psi_predef_type { - token_t type_tag; - const char *type_name; - const char *alias; -} psi_predef_type; -static const psi_predef_type psi_predef_types[] = { - PHP_PSI_TYPES{0} -}; -#define psi_predef_type_count() psi_predef_count(_type) - -typedef struct psi_predef_const { - token_t type_tag; - const char *type_name; - const char *name; - const char *val_text; - token_t val_type_tag; -} psi_predef_const; -static const psi_predef_const psi_predef_consts[] = { - PHP_PSI_CONSTS{0} -}; -#define psi_predef_const_count() psi_predef_count(_const) - -typedef struct psi_predef_struct_member { - token_t type_tag; - const char *type_name; - const char *name; - size_t off; - size_t len; - size_t pointer_level; - size_t array_size; -} psi_predef_struct_member; -#define PSI_PREDEF_STRUCT_MEMBERS 32 -typedef struct psi_predef_struct { - const char *name; - psi_predef_struct_member members[PSI_PREDEF_STRUCT_MEMBERS]; -} psi_predef_struct; -static const psi_predef_struct psi_predef_structs[] = { - PHP_PSI_STRUCTS{0} -}; -#define psi_predef_struct_count() psi_predef_count(_struct) -PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error) +PHP_MINIT_FUNCTION(psi_context) { - size_t i, j; - PSI_Data data; + unsigned flags = 0; + struct psi_context_ops *ops = NULL; + +#ifdef HAVE_LIBJIT + if (!strcasecmp(PSI_G(engine), "jit")) { + ops = psi_libjit_ops(); + } else +#endif +#ifdef HAVE_LIBFFI + ops = psi_libffi_ops(); +#endif + + if (!ops) { + php_error(E_WARNING, "No PSI engine found"); + return FAILURE; + } + PSI_G(ops) = ops; + if (ops->load && !ops->load()) { + return FAILURE; + } + + if (psi_check_env("PSI_DEBUG")) { + flags |= PSI_DEBUG; + } + if (psi_check_env("PSI_SILENT")) { + flags |= PSI_SILENT; + } + + PSI_G(context) = psi_context_init(NULL, PSI_G(ops), psi_error_wrapper, flags); + psi_context_build(PSI_G(context), PSI_G(directory)); + + return SUCCESS; +} + +PHP_MSHUTDOWN_FUNCTION(psi_context) +{ + if (psi_check_env("PSI_DUMP")) { + struct psi_dump dump = {{.hn = stdout}, (psi_dump_cb) fprintf}; + + psi_context_dump(&dump, PSI_G(context)); + } + + psi_context_free(&PSI_G(context)); + + if (PSI_G(ops)->free) { + PSI_G(ops)->free(); + } + + return SUCCESS; +} + +struct psi_context *psi_context_init(struct psi_context *C, struct psi_context_ops *ops, psi_error_cb error, unsigned flags) +{ if (!C) { - C = malloc(sizeof(*C)); + C = pemalloc(sizeof(*C), 1); } memset(C, 0, sizeof(*C)); - C->error = error; + psi_data_ctor(PSI_DATA(C), error, flags); C->ops = ops; - ops->init(C); - memset(&data, 0, sizeof(data)); - for (i = 0; i < psi_predef_type_count(); ++i) { - const psi_predef_type *pre = &psi_predef_types[i]; - decl_type *type = init_decl_type(pre->type_tag, pre->type_name); - decl_typedef *def = init_decl_typedef(pre->alias, type); + if (ops->init && !ops->init(C)) { + return NULL; + } + + return C; +} + +static bool psi_context_add(struct psi_context *C, struct psi_parser *P) +{ + bool valid; + struct psi_data *D; + struct psi_validate_scope scope = {0}; + + C->data = safe_perealloc(C->data, (C->count + 1), sizeof(*C->data), 0, 1); + D = psi_data_exchange(&C->data[C->count++], PSI_DATA(P)); + + psi_validate_scope_ctor(&scope); + scope.cpp = P->preproc; + valid = psi_validate(&scope, PSI_DATA(C), D); + psi_validate_scope_dtor(&scope); + + return valid; +} + +struct psi_context_build_worker { + pthread_t tid; + struct psi_parser parser; + struct psi_parser_input *input; + char psi_file[MAXPATHLEN]; +}; + +static struct psi_context_build_worker *psi_context_build_worker_init( + struct psi_context *C, const char *dir, const char *file) +{ + struct psi_context_build_worker *w = pecalloc(1, sizeof(*w), 1); - data.defs = add_decl_typedef(data.defs, def); + if (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; } - for (i = 0; i < psi_predef_const_count(); ++i) { - const psi_predef_const *pre = &psi_predef_consts[i]; - impl_def_val *val = init_impl_def_val(pre->val_type_tag, pre->val_text); - const_type *type = init_const_type(pre->type_tag, pre->type_name); - constant *constant = init_constant(type, pre->name, val); + if (!psi_parser_init(&w->parser, C->error, C->flags)) { + C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to init PSI parser (%s): %s", + w->psi_file, strerror(errno)); + pefree(w, 1); + return NULL; + } + return w; +} + +#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; +} - data.consts = add_constant(data.consts, constant); +static bool psi_context_build_worker_thread_start( + struct psi_context_build_worker *w) +{ + unsigned tries = 0; + int rc; + +again: ; + rc = pthread_create(&w->tid, NULL, psi_context_build_worker_thread, w); + + switch (rc) { + case 0: + return true; + case EAGAIN: + if (tries++ < 10) { + goto again; + } + /* no break */ + default: + w->parser.error(PSI_DATA(&w->parser), NULL, PSI_WARNING, + "Failed to start parser thread: %s", strerror(rc)); + w->tid = 0; + return false; } - for (i = 0; i < psi_predef_struct_count(); ++i) { - const psi_predef_struct *pre = &psi_predef_structs[i]; - decl_args *dargs = init_decl_args(NULL); +} +#endif - for (j = 0; j < PSI_PREDEF_STRUCT_MEMBERS; ++j) { - const psi_predef_struct_member *member = &pre->members[j]; - decl_type *type; - decl_var *dvar; +static bool psi_context_build_worker_exec(struct psi_context_build_worker *w) +{ + if (!(w->input = psi_parser_open_file(&w->parser, w->psi_file, true))) { + w->parser.error(PSI_DATA(&w->parser), NULL, PSI_WARNING, + "Failed to open PSI file (%s): %s", w->psi_file, strerror(errno)); + return false; + } +#if PSI_THREADED_PARSER + return psi_context_build_worker_thread_start(w); +#else + return psi_parser_parse(&w->parser, w->input); +#endif +} - if (!member->name) { - break; - } +static bool psi_context_build_worker_done(struct psi_context_build_worker *w) +{ +#if PSI_THREADED_PARSER + void *rval = NULL; - type = init_decl_type(member->type_tag, member->type_name); - dvar = init_decl_var(member->name, member->pointer_level, member->array_size); - dargs = add_decl_arg(dargs, init_decl_arg(type, dvar)); + if (!w->tid) { + return true; + } + +# if HAVE_PTHREAD_TRYJOIN_NP + if (0 == pthread_tryjoin_np(w->tid, &rval)) { + w->tid = 0; + return true; + } +# else + if (0 == pthread_join(w->tid, &rval)) { + w->tid = 0; + return true; + } +# endif + return false; +#else + return true; +#endif +} + +static void psi_context_build_worker_dtor(struct psi_context_build_worker *w) +{ +#if PSI_THREADED_PARSER + if (w->tid) { + void *rval; + int rc = pthread_join(w->tid, &rval); + + if (rc) { + w->parser.error(PSI_DATA(&w->parser), NULL, PSI_WARNING, + "Failed to finish parser thread: %s", strerror(errno)); } + } +#endif + psi_parser_input_free(&w->input); + psi_parser_dtor(&w->parser); +} - data.structs = add_decl_struct(data.structs, - init_decl_struct(pre->name, dargs)); +static void psi_context_build_worker_free(struct psi_context_build_worker **w) +{ + if (*w) { + psi_context_build_worker_dtor(*w); + pefree(*w, 1); + *w = NULL; } - return C; } static int psi_select_dirent(const struct dirent *entry) { #ifndef FNM_CASEFOLD -#define FNM_CASEFOLD 0 +# define FNM_CASEFOLD 0 #endif return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD); } - -void PSI_ContextBuild(PSI_Context *C, const char *path) +void psi_context_build(struct psi_context *C, const char *paths) { - int i, n; - struct dirent **entries = NULL; + char *sep = NULL, *cpy = strdup(paths), *ptr = cpy; + struct psi_context_build_worker *worker; + struct psi_plist *workers = psi_plist_init( + (psi_plist_dtor) psi_context_build_worker_free); - n = php_scandir(path, &entries, psi_select_dirent, alphasort); + do { + struct dirent **entries = NULL; + int i, n; - if (n < 0) { - return; - } else for (i = 0; i < n; ++i) { - char psi[MAXPATHLEN]; - PSI_Parser P; - PSI_Validator V; + if ((sep = strchr(ptr, ':'))) { + *sep = 0; + } - if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", path, entries[i]->d_name)) { - C->error(PSI_WARNING, "Path to PSI file too long: %s/%s", - path, entries[i]->d_name); + n = php_scandir(ptr, &entries, psi_select_dirent, alphasort); + + if (n < 0) { + 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]); + } + free(entries); } - if (!PSI_ParserInit(&P, psi, C->error, 0)) { - C->error(PSI_WARNING, "Failed to init PSI parser (%s): %s", - psi, strerror(errno)); - continue; + ptr = sep + 1; + } while (sep); + + free(cpy); + + if (psi_plist_count(workers)) { + struct psi_plist *running = psi_plist_init( + (psi_plist_dtor) psi_context_build_worker_free); + long active = 0; +#ifdef _SC_NPROCESSORS_ONLN + long pool = sysconf(_SC_NPROCESSORS_ONLN); +#else + long pool = 4; +#endif + + while (psi_plist_count(workers) && active < pool) { + if (psi_plist_pop(workers, &worker)) { + if (psi_context_build_worker_exec(worker)) { + running = psi_plist_add(running, &worker); + ++active; + } + } + } + while (active) { + size_t i = 0; + + while (psi_plist_get(running, i++, &worker)) { + if (psi_context_build_worker_done(worker)) { + psi_context_add(C, &worker->parser); + + psi_plist_del(running, --i, NULL); + psi_context_build_worker_free(&worker); + + if (psi_plist_pop(workers, &worker)) { + psi_plist_add(running, &worker); + } else { + --active; + } + } + } } + } + + psi_context_compile(C); +} - while (-1 != PSI_ParserScan(&P)) { - PSI_ParserParse(&P, PSI_TokenAlloc(&P)); - }; - PSI_ParserParse(&P, NULL); +#include +static inline bool prefix_match(zend_string *a, zend_string *b) +{ + size_t i; - if (!PSI_ValidatorInit(&V, &P)) { - C->error(PSI_WARNING, "Failed to init PSI validator"); + for (i = 0; i < a->len && i < b->len; ++i) { + if (tolower(a->val[i]) != tolower(b->val[i])) { + return false; + } + if (i && a->val[i] == '_') { break; } - PSI_ParserDtor(&P); + } + + return true; +} + +static inline void psi_context_consts_init(struct psi_context *C) +{ + zend_constant zc; - if (PSI_ValidatorValidate(&V)) { - zend_function_entry *closures; + ZEND_CONSTANT_SET_FLAGS(&zc, CONST_CS|CONST_PERSISTENT, EG(current_module)->module_number); - closures = PSI_ContextCompile(C, (PSI_Data *) &V); - if (closures && SUCCESS != zend_register_functions(NULL, closures, NULL, MODULE_PERSISTENT)) { - C->error(PSI_WARNING, "Failed to register functions!"); + if (C->consts) { + size_t i = 0; + struct psi_const *c; + + while (psi_plist_get(C->consts, i++, &c)) { + + if (zend_get_constant(c->name)) { + continue; } + + zc.name = zend_string_copy(c->name); + psi_impl_def_val_get_zval(c->val, c->type ? c->type->type : PSI_T_MIXED, &zc.value); + + zend_register_constant(&zc); } - PSI_ValidatorDtor(&V); } - if (entries) { - for (i = 0; i < n; ++i) { - free(entries[i]); + if (C->enums) { + size_t i = 0; + struct psi_decl_enum *e; + + while (psi_plist_get(C->enums, i++, &e)) { + size_t j = 0; + struct psi_decl_enum_item *item; + + while (psi_plist_get(e->items, j++, &item)) { + zend_string *name; + + if (psi_decl_type_is_anon(e->name, "enum") + || prefix_match(e->name, item->name)) { + name = strpprintf(0, "psi\\%s", item->name->val); + } else { + + name = strpprintf(0, "psi\\%s\\%s", e->name->val, item->name->val); + } + + if (zend_get_constant(name)) { + zend_string_release(name); + continue; + } + + zc.name = zend_string_dup(name, 1); + ZVAL_LONG(&zc.value, psi_num_exp_get_long(item->num, NULL, NULL)); + zend_register_constant(&zc); + zend_string_release(name); + } } - free(entries); } +} + +static inline void psi_context_extvars_init(struct psi_context *C) +{ + if (C->vars) { + size_t v = 0; + struct psi_decl_extvar *evar; + while (psi_plist_get(C->vars, v++, &evar)) { + C->ops->extvar_init(C, evar); + } + } } -zend_function_entry *PSI_ContextCompile(PSI_Context *C, PSI_Data *D) +static inline void psi_context_callback_init(struct psi_context *C, + struct psi_let_exp *let_exp, struct psi_impl *impl) { - size_t i, count = C->count++; - zend_function_entry *zfe; + struct psi_let_func *fn = let_exp->data.func; + + switch (let_exp->kind) { + case PSI_LET_CALLBACK: + C->ops->cb_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->consts) { - zend_constant zc; +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; + } +} + +static inline void psi_context_impls_init(struct psi_context *C) +{ + size_t nf = 0; + zend_function_entry *zfe = NULL; - zc.flags = CONST_PERSISTENT|CONST_CS; - zc.module_number = EG(current_module)->module_number; + if (C->impls) { + size_t i = 0; + struct psi_impl *impl; - for (i = 0; i < D->consts->count; ++i) { - constant *c = D->consts->list[i]; + zfe = pecalloc(psi_plist_count(C->impls) + 1, sizeof(*zfe), 1); - zc.name = zend_string_init(c->name + (c->name[0] == '\\'), strlen(c->name) - (c->name[0] == '\\'), 1); - ZVAL_NEW_STR(&zc.value, zend_string_init(c->val->text, strlen(c->val->text), 1)); + while (psi_plist_get(C->impls, i++, &impl)) { + zend_function_entry *zf = &zfe[nf]; + struct psi_let_stmt *let; + size_t l = 0; - switch (c->type->type) { - case PSI_T_BOOL: - convert_to_boolean(&zc.value); - break; - case PSI_T_INT: - convert_to_long(&zc.value); - break; - case PSI_T_FLOAT: - convert_to_double(&zc.value); - break; + if (!impl->decl) { + continue; } - zend_register_constant(&zc); + if (!C->ops->decl_init(C, impl->decl)) { + continue; + } + if (!C->ops->impl_init(C, impl, &zf->handler)) { + continue; + } + while (psi_plist_get(impl->stmts.let, l++, &let)) { + psi_context_callback_init(C, let->exp, impl); + } + + zf->fname = impl->func->name->val + (impl->func->name->val[0] == '\\'); + zf->num_args = psi_plist_count(impl->func->args); + zf->arg_info = psi_internal_arginfo(impl); + ++nf; } } - C->data = realloc(C->data, C->count * sizeof(*C->data)); - PSI_DataExchange(&C->data[count], D); + C->closures = zfe; +} - zfe = C->ops->compile(C, &C->data[count]); +static inline void psi_context_decls_init(struct psi_context *C) +{ + if (C->decls) { + size_t d = 0; + struct psi_decl *decl; - C->closures = realloc(C->closures, C->count * sizeof(*C->closures)); - C->closures[count] = zfe; + while (psi_plist_get(C->decls, d++, &decl)) { + if (!decl->info) { + C->ops->decl_init(C, decl); + } + } + } +} + +struct psi_struct_type_data { + struct psi_plist *els; + size_t offset; + size_t max_align; +}; - return zfe; +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); + } } -void PSI_ContextDtor(PSI_Context *C) +static inline void psi_struct_type_element(struct psi_context *C, + struct psi_struct_type_data *data, struct psi_decl_arg *darg) { + void *type, *copy; size_t i; + struct psi_layout type_layout; + + if (darg->layout->pos) { + assert(data->offset <= darg->layout->pos); + psi_struct_type_pad(C, data, darg->layout->pos - data->offset); + data->offset = darg->layout->pos; + } + + type = psi_context_decl_arg_full_type(C, darg); + C->ops->layoutof_type(C, type, &type_layout); + + if (type_layout.pos > data->max_align) { + data->max_align = type_layout.pos; + } - C->ops->dtor(C); + assert(type_layout.len <= darg->layout->len); - for (i = 0; i < C->count; ++i) { - PSI_DataDtor(&C->data[i]); - if (C->closures[i]){ - free(C->closures[i]); + for (i = 0; i < (darg->var->array_size ?: 1); ++i) { + copy = C->ops->copyof_type(C, type); + data->els = psi_plist_add(data->els, ©); + } + assert(darg->layout->len == type_layout.len * (darg->var->array_size ?: 1)); + data->offset += darg->layout->len; +} + +static inline void psi_context_decl_struct_type_elements(struct psi_context *C, + struct psi_decl_struct *strct, struct psi_plist **els) +{ + size_t i = 0; + struct psi_decl_arg *darg, *prev = NULL; + struct psi_struct_type_data data = {0}; + + data.els = *els; + while (psi_plist_get(strct->args, i++, &darg)) { + if (prev && prev->layout->pos == darg->layout->pos) { + /* skip bit fields */ + continue; } + psi_struct_type_element(C, &data, darg); } - free(C->data); - free(C->closures); - memset(C, 0, sizeof(*C)); + data.offset = (data.offset + data.max_align - 1) & ~(data.max_align - 1); + assert(data.offset <= strct->size); + psi_struct_type_pad(C, &data, strct->size - data.offset); + + *els = data.els; +} + +static inline void *psi_context_decl_arg_type(struct psi_context *C, + struct psi_decl_arg *darg) +{ + struct psi_decl_type *real = psi_decl_type_get_real(darg->type); + + if (real != darg->type && darg->type->real.def->var->pointer_level) { + return C->ops->typeof_decl(C, PSI_T_POINTER); + } + + if (real->type == PSI_T_UNION) { + struct psi_decl_arg *arg; + psi_plist_get(real->real.unn->args, 0, &arg); + return psi_context_decl_arg_full_type(C, arg); + } + + if (real->type == PSI_T_STRUCT) { + C->ops->composite_init(C, darg); + return darg->engine.type; + } + + return C->ops->typeof_decl(C, real->type); +} + +void *psi_context_decl_arg_call_type(struct psi_context *C, + struct psi_decl_arg *darg) +{ + if (darg->var->pointer_level) { + return C->ops->typeof_decl(C, PSI_T_POINTER); + } + + return psi_context_decl_arg_type(C, darg); +} + +void *psi_context_decl_arg_full_type(struct psi_context *C, + struct psi_decl_arg *darg) +{ + if (darg->var->array_size) { + C->ops->composite_init(C, darg); + return darg->engine.type; + } + if (darg->var->pointer_level) { + return C->ops->typeof_decl(C, PSI_T_POINTER); + } + + return psi_context_decl_arg_type(C, darg); +} + +void **psi_context_composite_type_elements(struct psi_context *C, + struct psi_decl_arg *darg, struct psi_plist **eles) +{ + struct psi_decl_type *dtype; + struct psi_decl_arg *tmp; + void *type, *copy; + + dtype = psi_decl_type_get_real(darg->type); + + switch (dtype->type) { + case PSI_T_STRUCT: + psi_context_decl_struct_type_elements(C, dtype->real.strct, eles); + break; + case PSI_T_UNION: + if (psi_plist_bottom(dtype->real.unn->args, &tmp)) { + type = psi_context_decl_arg_full_type(C, tmp); + copy = C->ops->copyof_type(C, type); + *eles = psi_plist_add(*eles, ©); + } + break; + default: + type = psi_context_decl_arg_type(C, darg); + for (size_t i = 0; i < darg->var->array_size; ++i) { + copy = C->ops->copyof_type(C, type); + *eles = psi_plist_add(*eles, ©); + } + } + + return psi_plist_eles(*eles); +} + +/* +void psi_context_decl_func_array_elements(struct psi_context *C, + struct psi_decl *fn, struct psi_plist **els) +{ + void *type; + size_t i; + + 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); + } + + for (i = 0; i < fn->func->var->array_size; ++i) { + void *copy = C->ops->copyof_type(C, type); + *els = psi_plist_add(*els, ©); + } +} + +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; + } + } + + return psi_context_decl_type(C, darg->type); } +*/ -void PSI_ContextFree(PSI_Context **C) +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; +} + +ZEND_RESULT_CODE psi_context_call(struct psi_context *C, zend_execute_data *execute_data, zval *return_value, struct psi_impl *impl) +{ + struct psi_call_frame *frame; + + frame = psi_call_frame_init(C, impl->decl, impl); + + if (SUCCESS != psi_call_frame_parse_args(frame, execute_data)) { + psi_call_frame_free(frame); + + return FAILURE; + } + + 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; + } + + if (SUCCESS != psi_call_frame_do_assert(frame, PSI_ASSERT_PRE)) { + psi_call_frame_do_return(frame, return_value); + psi_call_frame_free(frame); + + return FAILURE; + } + + 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); + + return FAILURE; + } + + 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); + } + + } + if (C->vars) { + size_t i = 0; + struct psi_decl_extvar *evar; + + while (psi_plist_get(C->vars, i++, &evar)) { + C->ops->composite_dtor(C, evar->getter->func); + C->ops->composite_dtor(C, evar->arg); + C->ops->extvar_dtor(C, evar); + } + } + if (C->impls) { + size_t i = 0; + struct psi_impl *impl; + + while (psi_plist_get(C->impls, i++, &impl)) { + struct psi_let_stmt *let; + size_t j = 0; + + while (psi_plist_get(impl->stmts.let, j++, &let)) { + psi_context_callback_dtor(C, let->exp, impl); + } + + C->ops->impl_dtor(C, impl); + } + } + + if (C->ops->dtor) { + C->ops->dtor(C); + } + + psi_data_dtor(PSI_DATA(C)); + + if (C->data) { + for (i = 0; i < C->count; ++i) { + psi_data_dtor(&C->data[i]); + } + free(C->data); + } + + if (C->closures) { + for (zfe = C->closures; zfe->fname; ++zfe) { + pefree((void *) zfe->arg_info, 1); + } + pefree(C->closures, 1); + } +} + +void psi_context_free(struct psi_context **C) { if (*C) { - PSI_ContextDtor(*C); + psi_context_dtor(*C); free(*C); *C = NULL; } } + +void psi_context_dump(struct psi_dump *dump, struct psi_context *C) +{ + PSI_DUMP(dump, "// psi.engine=%s\n// %lu files\n", + C->ops->name, C->count); + + psi_data_dump(dump, PSI_DATA(C)); + +#if 0 + if (C->flags & PSI_DEBUG) { + size_t i; + + for (i = 0; i < C->count; ++i) { + psi_data_dump(dump, &C->data[i]); + } + } +#endif +}