-#include <sys/param.h>
-#include <dirent.h>
-#include <fnmatch.h>
-#include <errno.h>
+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#include "php_psi_stdinc.h"
#include "php.h"
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen ((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) ((dirent)->d_namlen)
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
+
+#include <fnmatch.h>
+
#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"
-PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error)
+#define PSI_PREDEF_TYPES
+#define PSI_PREDEF_CONSTS
+#define PSI_PREDEF_COMPOSITES
+#define PSI_PREDEF_DECLS
+#include "php_psi_posix.h"
+
+struct psi_context *psi_context_init(struct psi_context *C, struct psi_context_ops *ops, psi_error_cb error, unsigned flags)
{
+ struct psi_data T;
+ struct psi_predef_type *predef_type;
+ struct psi_predef_const *predef_const;
+ struct psi_predef_composite *predef_composite;
+ struct psi_predef_decl *predef_decl;
+
if (!C) {
C = malloc(sizeof(*C));
}
memset(C, 0, sizeof(*C));
- C->error = error;
+ psi_data_ctor(PSI_DATA(C), error, flags);
C->ops = ops;
- ops->init(C);
+
+ if (ops->init) {
+ ops->init(C);
+ }
+
+ assert(ops->call != NULL);
+ assert(ops->compile != NULL);
+
+ /* build up predefs in a temporary psi_data for validation */
+ memset(&T, 0, sizeof(T));
+ psi_data_ctor_with_dtors(&T, error, flags);
+
+ for (predef_type = &psi_predef_types[0]; predef_type->type_tag; ++predef_type) {
+ struct psi_decl_type *type = psi_decl_type_init(predef_type->type_tag, predef_type->type_name);
+ struct psi_decl_var *var = psi_decl_var_init(predef_type->alias, 0, 0); /* FIXME: indirection */
+ struct psi_decl_arg *def = psi_decl_arg_init(type, var);
+
+ T.types = psi_plist_add(T.types, &def);
+ }
+ for (predef_const = &psi_predef_consts[0]; predef_const->type_tag; ++predef_const) {
+ struct psi_const_type *type = psi_const_type_init(predef_const->type_tag, predef_const->type_name);
+ struct psi_impl_def_val *val;
+ struct psi_const *constant;
+
+ switch (type->type) {
+ case PSI_T_INT:
+ val = psi_impl_def_val_init(PSI_T_INT, NULL);
+ val->ival.zend.lval = predef_const->value.lval;
+ break;
+ case PSI_T_STRING:
+ val = psi_impl_def_val_init(PSI_T_STRING, NULL);
+ val->ival.zend.str = zend_string_init(predef_const->value.ptr, strlen(predef_const->value.ptr), 1);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ constant = psi_const_init(type, predef_const->var_name, val);
+ T.consts = psi_plist_add(T.consts, &constant);
+ }
+ for (predef_composite = &psi_predef_composites[0]; predef_composite->type_tag; ++predef_composite) {
+ struct psi_predef_composite *member;
+ struct psi_decl_struct *dstruct;
+ struct psi_decl_union *dunion;
+ struct psi_plist *dargs = psi_plist_init((psi_plist_dtor) psi_decl_arg_free);
+
+ switch (predef_composite->type_tag) {
+ case PSI_T_STRUCT:
+ dstruct = psi_decl_struct_init(predef_composite->var_name, dargs);
+ dstruct->size = predef_composite->size;
+ dstruct->align = predef_composite->offset;
+ break;
+ case PSI_T_UNION:
+ dunion = psi_decl_union_init(predef_composite->var_name, dargs);
+ dunion->size = predef_composite->size;
+ dunion->align = predef_composite->offset;
+ break;
+ default:
+ assert(0);
+ }
+ for (member = &predef_composite[1]; member->type_tag; ++member) {
+ struct psi_decl_type *type;
+ struct psi_decl_var *dvar;
+ struct psi_decl_arg *darg;
+
+ type = psi_decl_type_init(member->type_tag, member->type_name);
+ dvar = psi_decl_var_init(member->var_name, member->pointer_level, member->array_size);
+ darg = psi_decl_arg_init(type, dvar);
+ darg->layout = psi_layout_init(member->offset, member->size, NULL);
+
+ switch (predef_composite->type_tag) {
+ case PSI_T_STRUCT:
+ dstruct->args = psi_plist_add(dstruct->args, &darg);
+ break;
+ case PSI_T_UNION:
+ dunion->args = psi_plist_add(dunion->args, &darg);
+ break;
+ default:
+ assert(0);
+ }
+ }
+ switch (predef_composite->type_tag) {
+ case PSI_T_STRUCT:
+ T.structs = psi_plist_add(T.structs, &dstruct);
+ break;
+ case PSI_T_UNION:
+ T.unions = psi_plist_add(T.unions, &dunion);
+ break;
+ default:
+ assert(0);
+ }
+
+ predef_composite = member;
+ }
+ for (predef_decl = &psi_predef_decls[0]; predef_decl->type_tag; ++predef_decl) {
+ struct psi_predef_decl *farg;
+ struct psi_decl_type *dtype, *ftype = psi_decl_type_init(predef_decl->type_tag, predef_decl->type_name);
+ struct psi_decl_var *fname = psi_decl_var_init(predef_decl->var_name, predef_decl->pointer_level, predef_decl->array_size);
+ struct psi_decl_arg *tdef, *func = psi_decl_arg_init(ftype, fname);
+ struct psi_plist *args = psi_plist_init((psi_plist_dtor) psi_decl_arg_free);
+ struct psi_decl *decl = psi_decl_init(func, args);
+
+ for (farg = &predef_decl[1]; farg->type_tag; ++farg) {
+ struct psi_decl_type *arg_type = psi_decl_type_init(farg->type_tag, farg->type_name);
+ struct psi_decl_var *arg_var = psi_decl_var_init(farg->var_name, farg->pointer_level, farg->array_size);
+ struct psi_decl_arg *darg = psi_decl_arg_init(arg_type, arg_var);
+ decl->args = psi_plist_add(decl->args, &darg);
+ }
+
+ switch (predef_decl->kind) {
+ case DECL_KIND_VARARG:
+ decl->varargs = 1;
+ /* no break */
+ case DECL_KIND_STD:
+ T.decls = psi_plist_add(T.decls, &decl);
+ break;
+ case DECL_KIND_FUNCTOR:
+ dtype = psi_decl_type_init(PSI_T_FUNCTION, fname->name);
+ dtype->real.func = decl;
+ tdef = psi_decl_arg_init(dtype, psi_decl_var_copy(fname));
+ T.types = psi_plist_add(T.types, &tdef);
+ break;
+ default:
+ assert(0);
+ }
+
+ predef_decl = farg;
+ }
+
+ psi_context_add_data(C, &T);
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 dirent **entries;
- n = php_scandir(path, &entries, psi_select_dirent, alphasort);
+ do {
+ sep = strchr(ptr, ':');
- if (n < 0) {
- return;
- } else for (i = 0; i < n; ++i) {
- char psi[MAXPATHLEN];
- PSI_Parser P;
- PSI_Validator V;
-
- 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);
- }
- if (!PSI_ParserInit(&P, psi, C->error, 0)) {
- C->error(PSI_WARNING, "Failed to init PSI parser (%s): %s",
- psi, strerror(errno));
- continue;
+ if (sep) {
+ *sep = 0;
}
- while (-1 != PSI_ParserScan(&P)) {
- PSI_ParserParse(&P, PSI_TokenAlloc(&P));
- };
- PSI_ParserParse(&P, NULL);
-
- if (!PSI_ValidatorInit(&V, &P)) {
- C->error(PSI_WARNING, "Failed to init PSI validator");
- break;
- }
- PSI_ParserDtor(&P);
+ entries = NULL;
+ n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
- if (PSI_ValidatorValidate(&V)) {
- zend_function_entry *closures;
+ if (n > 0) {
+ for (i = 0; i < n; ++i) {
+ char psi[MAXPATHLEN];
+ struct psi_parser P;
+ struct psi_parser_input *I;
- 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 (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", ptr, entries[i]->d_name)) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Path to PSI file too long: %s/%s",
+ ptr, entries[i]->d_name);
+ }
+ if (!psi_parser_init(&P, C->error, C->flags)) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to init PSI parser (%s): %s",
+ psi, strerror(errno));
+ continue;
+ }
+ if (!(I = psi_parser_open_file(&P, psi, true))) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to open PSI file (%s): %s",
+ psi, strerror(errno));
+ continue;
+ }
+ psi_parser_parse(&P, I);
+ psi_context_add_data(C, PSI_DATA(&P));
+ psi_parser_dtor(&P);
+ free(I);
}
}
- PSI_ValidatorDtor(&V);
- }
- if (entries) {
- for (i = 0; i < n; ++i) {
- free(entries[i]);
+
+ if (entries) {
+ for (i = 0; i < n; ++i) {
+ free(entries[i]);
+ }
+ free(entries);
}
- free(entries);
+
+ ptr = sep + 1;
+ } while (sep);
+
+
+ if (psi_context_compile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to register functions!");
}
+ free(cpy);
}
-zend_function_entry *PSI_ContextCompile(PSI_Context *C, PSI_Data *D)
+zend_function_entry *psi_context_compile(struct psi_context *C)
{
- size_t i, count = C->count++;
- zend_function_entry *zfe;
+ zend_constant zc;
- if (D->consts) {
- zend_constant zc;
+ zc.flags = CONST_PERSISTENT|CONST_CS;
+ zc.module_number = EG(current_module)->module_number;
- zc.flags = CONST_PERSISTENT|CONST_CS;
- zc.module_number = EG(current_module)->module_number;
+ if (C->consts) {
+ size_t i = 0;
+ struct psi_const *c;
- for (i = 0; i < D->consts->count; ++i) {
- constant *c = D->consts->list[i];
+ while (psi_plist_get(C->consts, i++, &c)) {
- 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));
+ if (zend_get_constant_str(c->name, strlen(c->name))) {
+ continue;
+ }
+
+ zc.name = zend_string_init(c->name, strlen(c->name), 1);
switch (c->type->type) {
case PSI_T_BOOL:
- convert_to_boolean(&zc.value);
+ ZVAL_BOOL(&zc.value, c->val->ival.zend.bval);
break;
case PSI_T_INT:
- convert_to_long(&zc.value);
+ ZVAL_LONG(&zc.value, c->val->ival.zend.lval);
break;
case PSI_T_FLOAT:
- convert_to_double(&zc.value);
+ ZVAL_DOUBLE(&zc.value, c->val->ival.dval);
+ break;
+ case PSI_T_STRING:
+ case PSI_T_QUOTED_STRING:
+ ZVAL_NEW_STR(&zc.value, zend_string_copy(c->val->ival.zend.str));
+ break;
+ default:
+ assert(0);
break;
}
+
zend_register_constant(&zc);
}
}
- C->data = realloc(C->data, C->count * sizeof(*C->data));
- PSI_DataExchange(&C->data[count], D);
+ if (C->enums) {
+ size_t i = 0;
+ struct psi_decl_enum *e;
- zfe = C->ops->compile(C, &C->data[count]);
+ while (psi_plist_get(C->enums, i++, &e)) {
+ size_t j = 0;
+ struct psi_decl_enum_item *item;
- C->closures = realloc(C->closures, C->count * sizeof(*C->closures));
- C->closures[count] = zfe;
+ while (psi_plist_get(e->items, j++, &item)) {
+ zend_string *name;
- return zfe;
+ if (psi_decl_type_is_anon(e->name, "enum")) {
+ name = strpprintf(0, "psi\\%s", item->name);
+ } else {
+ name = strpprintf(0, "psi\\%s\\%s", e->name, item->name);
+ }
+
+ 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(item->num, NULL, NULL));
+ zend_register_constant(&zc);
+ zend_string_release(name);
+ }
+ }
+ }
+
+ return C->closures = C->ops->compile(C);
}
-void PSI_ContextDtor(PSI_Context *C)
+
+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;
+ }
+
+ 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->ops->dtor) {
+ C->ops->dtor(C);
+ }
- C->ops->dtor(C);
+ psi_data_dtor(PSI_DATA(C));
- for (i = 0; i < C->count; ++i) {
- PSI_DataDtor(&C->data[i]);
- if (C->closures[i]){
- free(C->closures[i]);
+ if (C->data) {
+ for (i = 0; i < C->count; ++i) {
+ psi_data_dtor(&C->data[i]);
}
+ free(C->data);
}
- free(C->data);
- free(C->closures);
- memset(C, 0, sizeof(*C));
+ if (C->closures) {
+ for (zfe = C->closures; zfe->fname; ++zfe) {
+ free((void *) zfe->arg_info);
+ }
+ free(C->closures);
+ }
}
-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;
}
}
+bool psi_context_add_data(struct psi_context *C, struct psi_data *P)
+{
+ struct psi_data *D;
+
+ C->data = realloc(C->data, (C->count + 1) * sizeof(*C->data));
+ D = psi_data_exchange(&C->data[C->count++], P);
+
+ return psi_data_validate(PSI_DATA(C), D);
+}
+
+void psi_context_dump(struct psi_context *C, int fd)
+{
+
+ dprintf(fd, "// psi.engine=%s\n",
+ (char *) C->ops->query(C, PSI_CONTEXT_QUERY_SELF, NULL));
+
+ psi_data_dump(fd, PSI_DATA(C));
+
+// size_t i;
+// dprintf(fd, "/* parsed\n");
+// for (i = 0; i < C->count; ++i) {
+// psi_data_dump(fd, &C->data[i]);
+// }
+// dprintf(fd, "*/\n");
+
+}