+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "php.h"
+
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+# include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef HAVE_ERRNO_H
+# include <errno.h>
+#endif
+#ifdef HAVE_GLOB_H
+# include <glob.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_NAMESER_H
+# include <arpa/nameser.h>
+#endif
+#ifdef HAVE_NETDB_H
+# include <netdb.h>
+#endif
+#ifdef HAVE_RESOLV_H
+# include <resolv.h>
+#endif
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_TIMES_H
+# include <sys/times.h>
+#endif
+#ifdef HAVE_SYS_UIO_H
+# include <sys/uio.h>
+#endif
+#ifdef HAVE_SYS_UTSNAME_H
+# include <sys/utsname.h>
+#endif
+#ifdef HAVE_TIME_H
+# include <time.h>
+#endif
+#ifdef HAVE_WCHAR_H
+# include <wchar.h>
+#endif
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen ((dirent)->d_name)
+#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 <sys/param.h>
-#include <dirent.h>
+#include <dlfcn.h>
#include <fnmatch.h>
-#include <errno.h>
#include "php.h"
#include "php_scandir.h"
+#include "php_psi.h"
#include "context.h"
#include "parser.h"
-#include "validator.h"
-#define psi_predef_count(s) (sizeof(psi_predef_ ##s## s)/sizeof(psi_predef ##s))
+#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;
-#define psi_predef_type_count() psi_predef_count(type)
-static const psi_predef_types[] = {
- PHP_PSI_TYPES
+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 *val_text;
token_t val_type_tag;
} psi_predef_const;
-#define psi_predef_const_count() psi_predef_count(const)
-static const psi_predef_consts[] = {
- PHP_PSI_CONSTS
+static const psi_predef_const psi_predef_consts[] = {
+ PHP_PSI_CONSTS{0}
};
+#define psi_predef_const_count() psi_predef_count(_const)
-PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error)
+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
+
+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;
+}
+
+static inline int locate_decl_type_alias(decl_typedefs *defs, decl_type *type) {
+ size_t i;
+
+ if (type->real) {
+ return 1;
+ }
+ for (i = 0; i < defs->count; ++i) {
+ if (!strcmp(defs->list[i]->alias, type->name)) {
+ type->real = defs->list[i]->type;
+ return 1;
+ }
+ }
+ return 0;
+}
+static inline int locate_decl_type_struct(decl_structs *structs, decl_type *type) {
+ size_t i;
+
+ if (type->strct) {
+ return 1;
+ }
+ for (i = 0; i < structs->count; ++i) {
+ if (!strcmp(structs->list[i]->name, type->name)) {
+ type->strct = structs->list[i];
+ return 1;
+ }
+ }
+ return 0;
+}
+
+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;
+ }
+ 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;
+ }
+ /* FIXME: check def->alias */
+ return 1;
+}
+
+static inline int validate_constant(PSI_Data *data, constant *c) {
+ /* FIXME */
+ return 1;
+}
+
+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;
+ }
+ return 1;
+}
+
+static inline int validate_decl_struct(PSI_Data *data, decl_struct *s) {
+ size_t i;
+
+ for (i = 0; i < s->args->count; ++i) {
+ if (!validate_decl_arg(data, s->args->args[i])) {
+ return 0;
+ }
+ }
+
+ for (i = 0; i < s->args->count; ++i) {
+ decl_arg *darg = s->args->args[i];
+
+ if (!validate_decl_arg(data, darg)) {
+ return 0;
+ }
+
+ ZEND_ASSERT(!darg->var->arg || darg->var->arg == darg);
+ darg->var->arg = darg;
+
+ if (!darg->layout) {
+ token_t t;
+
+ 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;
+ }
+
+ 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;
+}
+
+static const char * const abi_ccs[] = {
+ "default", /* \ */
+ "extern", /* > - all the same */
+ "cdecl", /* / */
+ "stdcall",
+ "fastcall",
+};
+static inline int validate_decl_abi(PSI_Data *data, decl_abi *abi) {
+ size_t i;
+
+ for (i = 0; i < sizeof(abi_ccs)/sizeof(char*); ++i) {
+ if (strcasecmp(abi->convention, abi_ccs[i])) {
+ return 1;
+ }
+ }
+ data->error(PSI_WARNING, "Invalid calling convention: '%s'", abi->convention);
+ return 0;
+}
+static inline int validate_decl_func(PSI_Data *data, void *dl, decl *decl, decl_arg *func)
{
size_t i;
- PSI_Data data;
+
+ if (!strcmp(func->var->name, "dlsym")) {
+ data->error(PSI_WARNING, "Cannot dlsym dlsym (sic!)");
+ return 0;
+ }
+
+ 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];
+
+ if (!strcmp(func->var->name, pre->name)) {
+ decl->call.sym = pre->func;
+ break;
+ }
+ }
+ if (!decl->call.sym) {
+#ifndef RTLD_NEXT
+# define RTLD_NEXT ((void *) -1l)
+#endif
+ decl->call.sym = dlsym(dl ?: RTLD_NEXT, func->var->name);
+ if (!decl->call.sym) {
+ data->error(PSI_WARNING, "Failed to locate symbol '%s': %s",
+ func->var->name, dlerror());
+ }
+ }
+ return 1;
+}
+
+static inline int validate_decl(PSI_Data *data, void *dl, decl *decl) {
+ if (!validate_decl_abi(data, decl->abi)) {
+ return 0;
+ }
+ if (!validate_decl_func(data, dl, decl, decl->func)) {
+ return 0;
+ }
+ if (decl->args) {
+ size_t i;
+
+ for (i = 0; i < decl->args->count; ++i) {
+ if (!validate_decl_arg(data, decl->args->args[i])) {
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+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];
+
+ if (!strcmp(var->name, arg->var->name)) {
+ return var->arg = arg;
+ }
+ }
+
+ return NULL;
+}
+static inline decl_arg *locate_struct_member(decl_struct *s, decl_var *var) {
+ if (s->args) {
+ return locate_decl_var_arg(var, s->args);
+ }
+
+ return NULL;
+}
+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();
+ }
+
+ 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;
+
+ 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 (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);
+
+ if (sub_ref) {
+ if (!validate_set_value(data, set->inner[i], sub_ref, ref_type->strct->args)) {
+ return 0;
+ }
+ set->inner[i]->outer.set = set;
+ }
+ }
+ } 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;
+ }
+ 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;
+ }
+
+ return 1;
+}
+static inline decl *locate_impl_decl(decls *decls, return_stmt *ret) {
+ if (decls) {
+ size_t i;
+
+ for (i = 0; i < decls->count; ++i) {
+ if (!strcmp(decls->list[i]->func->var->name, ret->set->vars->vars[0]->name)) {
+ ret->decl = decls->list[i]->func;
+ return decls->list[i];
+ }
+ }
+ }
+
+ return NULL;
+}
+static inline int validate_impl_ret_stmt(PSI_Data *data, impl *impl) {
+ return_stmt *ret;
+
+ /* we must have exactly one ret stmt delcaring the native func to call */
+ /* and which type cast to apply */
+ if (impl->stmts->ret.count != 1) {
+ if (impl->stmts->ret.count > 1) {
+ data->error(PSI_WARNING, "Too many `return` statements for implmentation %s;"
+ " found %zu, exactly one is needed",
+ impl->func->name, impl->stmts->ret.count);
+ } else {
+ data->error(PSI_WARNING, "Missing `return` statement for implementation %s",
+ impl->func->name);
+ }
+ return 0;
+ }
+
+ ret = impl->stmts->ret.list[0];
+
+ if (!(impl->decl = locate_impl_decl(data->decls, ret))) {
+ data->error(PSI_WARNING, "Missing declaration for implementation %s",
+ impl->func->name);
+ return 0;
+ }
+
+ if (!validate_set_value(data, ret->set, ret->decl, impl->decl->args)) {
+ return 0;
+ }
+
+ impl->decl->impl = impl;
+
+ return 1;
+}
+static inline int validate_impl_let_stmts(PSI_Data *data, impl *impl) {
+ size_t i, j;
+ /* we can have multiple let stmts */
+ /* check that we have a let stmt for every decl arg */
+ if (impl->decl->args) for (i = 0; i < impl->decl->args->count; ++i) {
+ decl_arg *darg = impl->decl->args->args[i];
+ int check = 0;
+
+ for (j = 0; j < impl->stmts->let.count; ++j) {
+ let_stmt *let = impl->stmts->let.list[j];
+
+ if (!strcmp(let->var->name, darg->var->name)) {
+ darg->let = let;
+ check = 1;
+ break;
+ }
+ }
+ if (!check) {
+ data->error(PSI_WARNING, "Missing `let` statement for arg '%s %.*s%s'"
+ " of declaration '%s' for implementation '%s'",
+ darg->type->name, (int) darg->var->pointer_level, "*****",
+ darg->var->name, impl->decl->func->var->name, impl->func->name);
+ return 0;
+ }
+ }
+ /* check that the let_value references a known variable or NULL */
+ for (i = 0; i < impl->stmts->let.count; ++i) {
+ let_stmt *let = impl->stmts->let.list[i];
+ int check = 0;
+
+ if (let->val && let->val->func && let->val->func->alloc) {
+ if (!validate_decl_type(data, let->val->func->alloc->type)) {
+ data->error(PSI_WARNING, "Cannot use '%s' as type for calloc in `let` statement",
+ let->val->func->alloc->type->name);
+ return 0;
+ }
+ }
+ if (let->val && let->val->var) {
+ if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) {
+ impl_arg *iarg = impl->func->args->args[j];
+
+ if (!strcmp(let->val->var->name, iarg->var->name)) {
+ let->arg = iarg;
+ check = 1;
+ break;
+ }
+ }
+ if (!check) {
+ data->error(PSI_WARNING, "Unknown value '$%s' of `let` statement"
+ " for variable '%s' of implementation '%s'",
+ let->val->var->name, let->var->name, impl->func->name);
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+static inline int validate_impl_set_stmts(PSI_Data *data, impl *impl) {
+ size_t i, j, k;
+ /* we can have any count of set stmts; processing out vars */
+ /* check that set stmts reference known variables */
+ for (i = 0; i < impl->stmts->set.count; ++i) {
+ set_stmt *set = impl->stmts->set.list[i];
+ int check = 0;
+
+ if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) {
+ impl_arg *iarg = impl->func->args->args[j];
+
+ if (!strcmp(set->var->name, iarg->var->name)) {
+ set->arg = iarg;
+ check = 1;
+ break;
+ }
+ }
+ if (!check) {
+ data->error(PSI_WARNING, "Unknown variable '$%s' of `set` statement"
+ " of implementation '%s'",
+ set->var->name, impl->func->name);
+ return 0;
+ }
+
+ 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];
+
+ 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;
+ }
+ }
+
+ if (!check) {
+ data->error(PSI_WARNING, "Unknown value '%s' of `set` statement"
+ " for variable '$%s' of implementation '%s'",
+ set_var->name, set->arg->var->name, impl->func->name);
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+static inline decl *locate_free_decl(decls *decls, free_call *f) {
+ if (decls) {
+ size_t i;
+
+ for (i = 0; i < decls->count; ++i) {
+ if (!strcmp(decls->list[i]->func->var->name, f->func)) {
+ f->decl = decls->list[i];
+ return decls->list[i];
+ }
+ }
+ }
+
+ return NULL;
+}
+static inline int validate_impl_free_stmts(PSI_Data *data, impl *impl) {
+ size_t i, j, k, l;
+ /* we can have any count of free stmts; freeing any out vars */
+ for (i = 0; i < impl->stmts->fre.count; ++i) {
+ free_stmt *fre = impl->stmts->fre.list[i];
+
+ for (j = 0; j < fre->calls->count; ++j) {
+ free_call *free_call = fre->calls->list[j];
+
+ /* first find the decl of the free func */
+ if (!locate_free_decl(data->decls, free_call)) {
+ data->error(PSI_WARNING, "Unknown function '%s' in `free` statement"
+ " of implementation '%s'", free_call->func, impl->func->name);
+ return 0;
+ }
+ if (!impl->decl->args) {
+ data->error(PSI_WARNING, "Declaration '%s' of implementation '%s'"
+ " does not have any arguments to free",
+ impl->decl->func->var->name, impl->func->name);
+ }
+
+ /* 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];
+
+ for (k = 0; k < impl->decl->args->count; ++k) {
+ decl_arg *free_arg = impl->decl->args->args[k];
+
+ if (!strcmp(free_var->name, free_arg->var->name)) {
+ check = 1;
+ free_var->arg = free_arg;
+ break;
+ }
+ }
+
+ if (!check) {
+ data->error(PSI_WARNING, "Unknown variable '%s' of `free` statement"
+ " of implementation '%s'",
+ free_var->name, impl->func->name);
+ return 0;
+ }
+ }
+ }
+ }
+ return 1;
+}
+static inline int validate_impl_stmts(PSI_Data *data, impl *impl) {
+ if (!impl->stmts) {
+ data->error(PSI_WARNING, "Missing body for implementation %s!",
+ impl->func->name);
+ return 0;
+ }
+
+ if (!validate_impl_ret_stmt(data, impl)) {
+ return 0;
+ }
+
+ if (!validate_impl_let_stmts(data, impl)) {
+ return 0;
+ }
+ if (!validate_impl_set_stmts(data, impl)) {
+ return 0;
+ }
+ if (!validate_impl_free_stmts(data, impl)) {
+ return 0;
+ }
+
+ return 1;
+}
+
+PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error)
+{
+ size_t i, j;
+ PSI_Data T;
if (!C) {
C = malloc(sizeof(*C));
C->error = error;
C->ops = ops;
- ops->init(C);
- memset(&data, 0, sizeof(data));
+ if (ops->init) {
+ ops->init(C);
+ }
+
+ ZEND_ASSERT(ops->call != NULL);
+ ZEND_ASSERT(ops->compile != NULL);
+
+ /* build up predefs in a temporary PSI_Data for validation */
+ memset(&T, 0, sizeof(T));
+ T.error = error;
+
for (i = 0; i < psi_predef_type_count(); ++i) {
- psi_predef_type *pre = &psi_predef_types[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);
- data.defs = add_decl_typedef(data.defs, def);
+ T.defs = add_decl_typedef(T.defs, def);
}
for (i = 0; i < psi_predef_const_count(); ++i) {
- psi_predef_const *pre = psi_predef_const[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);
- data.consts = add_constant(data.consts, constant);
+ 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;
+ }
+
+ 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);
+ }
+
+ dstruct = init_decl_struct(pre->name, dargs);
+ dstruct->size = pre->size;
+ T.structs = add_decl_struct(T.structs, dstruct);
+ }
+
+ for (i = 0; i < psi_predef_type_count(); ++i) {
+ decl_typedef *def = T.defs->list[i];
+
+ if (validate_decl_typedef(&T, def)) {
+ C->defs = add_decl_typedef(C->defs, def);
+ }
+ }
+
+ for (i = 0; i < psi_predef_const_count(); ++i) {
+ constant *constant = T.consts->list[i];
+
+ if (validate_constant(&T, constant)) {
+ C->consts = add_constant(C->consts, constant);
+ }
}
+
+ for (i = 0; i < psi_predef_struct_count(); ++i) {
+ decl_struct *dstruct = T.structs->list[i];
+
+ if (validate_decl_struct(&T, dstruct)) {
+ C->structs = add_decl_struct(C->structs, dstruct);
+ }
+ }
+
+ C->count = 1;
+ C->data = malloc(sizeof(*C->data));
+ PSI_DataExchange(C->data, &T);
+
return C;
}
+int PSI_ContextValidate(PSI_Context *C, PSI_Parser *P)
+{
+ PSI_Data *D;
+ void *dlopened = NULL;
+ size_t count = C->count++;
+
+ C->data = realloc(C->data, C->count * sizeof(*C->data));
+ D = PSI_DataExchange(&C->data[count], PSI_DATA(P));
+
+ if (D->defs) {
+ size_t i;
+
+ for (i = 0; i < D->defs->count; ++i) {
+ if (validate_decl_typedef(PSI_DATA(C), D->defs->list[i])) {
+ C->defs = add_decl_typedef(C->defs, D->defs->list[i]);
+ }
+ }
+ }
+ 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]);
+ }
+ }
+ }
+ 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]);
+ }
+ }
+ }
+
+ if (!validate_lib(D, &dlopened)) {
+ return 0;
+ }
+
+ add_decl_lib(&C->psi.libs, dlopened);
+
+ if (D->decls) {
+ size_t i;
+
+ 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 (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]);
+ }
+ }
+ }
+
+ return 1;
+}
+
static int psi_select_dirent(const struct dirent *entry)
{
#ifndef FNM_CASEFOLD
return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD);
}
-
-void PSI_ContextBuild(PSI_Context *C, const char *path)
+void PSI_ContextBuild(PSI_Context *C, const char *paths)
{
- int i, n;
+ int i, n, flags = getenv("PSI_DEBUG") ? PSI_PARSER_DEBUG : 0;
+ char *sep = NULL, *cpy = strdup(paths), *ptr = cpy;
struct dirent **entries = NULL;
- n = php_scandir(path, &entries, psi_select_dirent, alphasort);
- if (n < 0) {
- return;
- } else for (i = 0; i < n; ++i) {
- char psi[MAXPATHLEN];
- PSI_Parser P;
- PSI_Validator V;
+ do {
+ sep = strchr(ptr, ':');
- 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);
+ n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
- if (!PSI_ValidatorInit(&V, &P)) {
- C->error(PSI_WARNING, "Failed to init PSI validator");
- break;
- }
- PSI_ParserDtor(&P);
+ if (n > 0) {
+ for (i = 0; i < n; ++i) {
+ char psi[MAXPATHLEN];
+ PSI_Parser P;
- if (PSI_ValidatorValidate(&V)) {
- zend_function_entry *closures;
+ 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;
+ }
- 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!");
+ while (-1 != PSI_ParserScan(&P)) {
+ PSI_ParserParse(&P, PSI_TokenAlloc(&P));
+ };
+ PSI_ParserParse(&P, NULL);
+ PSI_ContextValidate(C, &P);
+ PSI_ParserDtor(&P);
}
}
- 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_ContextCompile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
+ C->error(PSI_WARNING, "Failed to register functions!");
}
+ free(cpy);
+
}
-zend_function_entry *PSI_ContextCompile(PSI_Context *C, PSI_Data *D)
+zend_function_entry *PSI_ContextCompile(PSI_Context *C)
{
- size_t i, count = C->count++;
- zend_function_entry *zfe;
+ size_t i;
- if (D->consts) {
+ if (C->consts) {
zend_constant zc;
zc.flags = CONST_PERSISTENT|CONST_CS;
zc.module_number = EG(current_module)->module_number;
- for (i = 0; i < D->consts->count; ++i) {
- constant *c = D->consts->list[i];
+ 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));
}
}
- C->data = realloc(C->data, C->count * sizeof(*C->data));
- PSI_DataExchange(&C->data[count], D);
+ return C->closures = C->ops->compile(C);
+}
+
+
+void PSI_ContextCall(PSI_Context *C, impl_val *ret_val, decl *decl)
+{
+ C->ops->call(C, ret_val, decl);
+}
+
+static inline void dump_decl_type(int fd, decl_type *t) {
+ const char *pre;
+
+ 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;
+
+#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");
+ }
+#endif
- zfe = C->ops->compile(C, &C->data[count]);
+ if (C->defs) for (i = 0; i < C->defs->count; ++i) {
+ decl_typedef *tdef = C->defs->list[i];
- C->closures = realloc(C->closures, C->count * sizeof(*C->closures));
- C->closures[count] = zfe;
+ 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);
+ }
+ dprintf(fd, "}\n");
+ }
- return zfe;
+ dprintf(fd, "\n");
}
void PSI_ContextDtor(PSI_Context *C)
{
size_t i;
+ zend_function_entry *zfe;
- C->ops->dtor(C);
+ if (C->ops->dtor) {
+ C->ops->dtor(C);
+ }
- for (i = 0; i < C->count; ++i) {
- PSI_DataDtor(&C->data[i]);
- if (C->closures[i]){
- free(C->closures[i]);
+ free_decl_libs(&C->psi.libs);
+
+ if (C->data) {
+ for (i = 0; i < C->count; ++i) {
+ PSI_DataDtor(&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);
}
+ free(C->impls);
}
- free(C->data);
- free(C->closures);
memset(C, 0, sizeof(*C));
}
projects / m6w6 / ext-psi / blobdiff