+/*******************************************************************************
+ 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
# endif
#endif
+#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 "calc.h"
+#include "call.h"
#include "libjit.h"
#include "libffi.h"
-#include "php_psi_types.h"
-#include "php_psi_consts.h"
-#include "php_psi_decls.h"
-#include "php_psi_va_decls.h"
-#include "php_psi_structs.h"
-#include "php_psi_unions.h"
+#include "token.h"
+#include "parser.h"
-PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error, unsigned flags)
+PHP_MINIT_FUNCTION(psi_context)
{
- PSI_Data T;
- struct psi_predef_type *predef_type;
- struct psi_predef_const *predef_const;
- struct psi_predef_struct *predef_struct;
- struct psi_predef_union *predef_union;
- struct psi_predef_decl *predef_decl;
+ unsigned flags = 0;
+ struct psi_context_ops *ops = NULL;
- if (!C) {
- C = malloc(sizeof(*C));
+#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;
}
- memset(C, 0, sizeof(*C));
- C->error = error;
- C->flags = flags;
- C->ops = ops;
+ PSI_G(ops) = ops;
+ if (ops->load && !ops->load()) {
+ return FAILURE;
+ }
- if (ops->init) {
- ops->init(C);
+ if (psi_check_env("PSI_DEBUG")) {
+ flags |= PSI_DEBUG;
+ }
+ if (psi_check_env("PSI_SILENT")) {
+ flags |= PSI_SILENT;
}
- ZEND_ASSERT(ops->call != NULL);
- ZEND_ASSERT(ops->compile != NULL);
+ PSI_G(context) = psi_context_init(NULL, PSI_G(ops), psi_error_wrapper, flags);
+ psi_context_build(PSI_G(context), PSI_G(directory));
- /* build up predefs in a temporary PSI_Data for validation */
- memset(&T, 0, sizeof(T));
- T.error = error;
+ return SUCCESS;
+}
- 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_var *var = init_decl_var(predef_type->alias, 0, 0); /* FIXME: indirection */
- decl_arg *def = init_decl_arg(type, var);
+PHP_MSHUTDOWN_FUNCTION(psi_context)
+{
+ if (psi_check_env("PSI_DUMP")) {
+ struct psi_dump dump = {{.hn = stdout}, (psi_dump_cb) fprintf};
- T.defs = add_decl_typedef(T.defs, def);
+ psi_context_dump(&dump, PSI_G(context));
}
- 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);
- T.consts = add_constant(T.consts, constant);
+ psi_context_free(&PSI_G(context));
+
+ if (PSI_G(ops)->free) {
+ PSI_G(ops)->free();
}
- 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;
- dstruct->align = predef_struct->offset;
- for (member = &predef_struct[1]; member->type_tag; ++member) {
- decl_type *type;
- decl_var *dvar;
- decl_arg *darg;
+ return SUCCESS;
+}
- 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);
- }
+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);
+ }
+ memset(C, 0, sizeof(*C));
- T.structs = add_decl_struct(T.structs, dstruct);
- predef_struct = member;
- }
- for (predef_union = &psi_predef_unions[0]; predef_union->type_tag; ++predef_union) {
- struct psi_predef_union *member;
- decl_args *dargs = init_decl_args(NULL);
- decl_union *dunion = init_decl_union(predef_union->var_name, dargs);
-
- dunion->size = predef_union->size;
- dunion->align = predef_union->offset;
- for (member = &predef_union[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);
- }
+ psi_data_ctor(PSI_DATA(C), error, flags);
+ C->ops = ops;
- T.unions = add_decl_union(T.unions, dunion);
- predef_union = 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);
- }
+ 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];
+};
- T.decls = add_decl(T.decls, decl);
- predef_decl = farg;
+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;
}
+ return w;
+}
- for (predef_decl = &psi_predef_vararg_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);
+#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;
+}
- 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);
+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;
}
- args->varargs = 1;
+ /* 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;
+ }
+}
+#endif
- T.decls = add_decl(T.decls, decl);
- predef_decl = farg;
+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
+}
- PSI_ContextValidateData(PSI_DATA(C), &T);
+static bool psi_context_build_worker_done(struct psi_context_build_worker *w)
+{
+#if PSI_THREADED_PARSER
+ void *rval = NULL;
- C->count = 1;
- C->data = malloc(sizeof(*C->data));
- PSI_DataExchange(C->data, &T);
+ if (!w->tid) {
+ return true;
+ }
- return C;
+# 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);
+}
+
+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;
+ }
}
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 *paths)
+void psi_context_build(struct psi_context *C, const char *paths)
{
- int i, n;
char *sep = NULL, *cpy = strdup(paths), *ptr = cpy;
- struct dirent **entries;
+ struct psi_context_build_worker *worker;
+ struct psi_plist *workers = psi_plist_init(
+ (psi_plist_dtor) psi_context_build_worker_free);
do {
- sep = strchr(ptr, ':');
+ struct dirent **entries = NULL;
+ int i, n;
- if (sep) {
+ if ((sep = strchr(ptr, ':'))) {
*sep = 0;
}
- entries = NULL;
n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
- if (n > 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) {
- char psi[MAXPATHLEN];
- PSI_Parser P;
-
- if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", ptr, entries[i]->d_name)) {
- C->error(C, NULL, PSI_WARNING, "Path to PSI file too long: %s/%s",
- ptr, entries[i]->d_name);
- }
- if (!PSI_ParserInit(&P, psi, C->error, C->flags)) {
- C->error(C, NULL, PSI_WARNING, "Failed to init PSI parser (%s): %s",
- psi, strerror(errno));
- continue;
+ 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);
+ }
+ ptr = sep + 1;
+ } while (sep);
- while (0 < PSI_ParserScan(&P)) {
- PSI_ParserParse(&P, PSI_TokenAlloc(&P));
- if (P.num == PSI_T_EOF) {
- break;
- }
- }
+ free(cpy);
- PSI_ParserParse(&P, NULL);
- PSI_ContextValidate(C, &P);
- PSI_ParserDtor(&P);
+ 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;
- if (entries) {
- for (i = 0; i < n; ++i) {
- free(entries[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);
+
+ if (psi_plist_pop(workers, &worker)) {
+ psi_plist_add(running, &worker);
+ } else {
+ --active;
+ }
+ }
}
- free(entries);
}
+ }
- ptr = sep + 1;
- } while (sep);
+ psi_context_compile(C);
+}
+#include <ctype.h>
+static inline bool prefix_match(zend_string *a, zend_string *b)
+{
+ size_t i;
- if (PSI_ContextCompile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
- C->error(C, NULL, PSI_WARNING, "Failed to register functions!");
+ 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;
+ }
}
- free(cpy);
-
+ return true;
}
-zend_function_entry *PSI_ContextCompile(PSI_Context *C)
+static inline void psi_context_consts_init(struct psi_context *C)
{
- size_t i;
zend_constant zc;
- zc.flags = CONST_PERSISTENT|CONST_CS;
- zc.module_number = EG(current_module)->module_number;
+ ZEND_CONSTANT_SET_FLAGS(&zc, CONST_CS|CONST_PERSISTENT, EG(current_module)->module_number);
if (C->consts) {
- 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;
+ 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);
}
}
if (C->enums) {
- for (i = 0; i < C->enums->count; ++i) {
- decl_enum *e = C->enums->list[i];
- size_t j;
+ size_t i = 0;
+ struct psi_decl_enum *e;
- for (j = 0; j < e->items->count; ++j) {
- decl_enum_item *i = e->items->list[j];
- zend_string *name = strpprintf(0, "psi\\%s\\%s", e->name, i->name);
+ 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_long_num_exp(i->num, NULL));
+ ZVAL_LONG(&zc.value, psi_num_exp_get_long(item->num, NULL, NULL));
zend_register_constant(&zc);
zend_string_release(name);
}
}
}
+}
+
+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);
+ }
+ }
+}
- return C->closures = C->ops->compile(C);
+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;
+ }
}
+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;
+
+ 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 (!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;
+ }
+ }
-void PSI_ContextCall(PSI_Context *C, decl_callinfo *decl_call, impl_vararg *va)
+ C->closures = zfe;
+}
+
+static inline void psi_context_decls_init(struct psi_context *C)
{
- C->ops->call(C, decl_call, va);
+ 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);
+ }
+ }
+ }
}
+struct psi_struct_type_data {
+ struct psi_plist *els;
+ size_t offset;
+ size_t max_align;
+};
-void PSI_ContextDtor(PSI_Context *C)
+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);
+ }
+}
+
+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;
- zend_function_entry *zfe;
+ struct psi_layout type_layout;
- if (C->ops->dtor) {
- C->ops->dtor(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;
}
- free_decl_libs(&C->psi.libs);
+ type = psi_context_decl_arg_full_type(C, darg);
+ C->ops->layoutof_type(C, type, &type_layout);
- if (C->data) {
- for (i = 0; i < C->count; ++i) {
- PSI_DataDtor(&C->data[i]);
- }
- free(C->data);
+ if (type_layout.pos > data->max_align) {
+ data->max_align = type_layout.pos;
}
- if (C->closures) {
- for (zfe = C->closures; zfe->fname; ++zfe) {
- free((void *) zfe->arg_info);
- }
- free(C->closures);
+ assert(type_layout.len <= darg->layout->len);
+
+ 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;
+}
- if (C->consts) {
- if (C->consts->list) {
- free(C->consts->list);
+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;
}
- free(C->consts);
+ psi_struct_type_element(C, &data, darg);
}
- if (C->defs) {
- if (C->defs->list) {
- free(C->defs->list);
- }
- free(C->defs);
+
+ 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 (C->structs) {
- if (C->structs->list) {
- free(C->structs->list);
+
+ 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, ©);
}
- free(C->structs);
}
- if (C->enums) {
- if (C->enums->list) {
- free(C->enums->list);
+
+ 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;
}
- free(C->enums);
}
+
+ 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;
+}
+
+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) {
- if (C->decls->list) {
- free(C->decls->list);
+ 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);
}
- free(C->decls);
}
if (C->impls) {
- if (C->impls->list) {
- free(C->impls->list);
+ 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);
}
- free(C->impls);
}
- memset(C, 0, sizeof(*C));
+ 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_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