PSI_MACROS
+int psi_glob(const char *pattern, int flags,
+ int (*errfunc) (const char *epath, int eerrno),
+ glob_t *pglob) {
+ size_t offs = flags & GLOB_DOOFFS ? pglob->gl_offs : 0;
+ int rv = glob(pattern, flags, errfunc, pglob);
+ if (pglob->gl_pathv) {
+ while (offs--) {
+ pglob->gl_pathv[offs] = NULL;
+ }
+ }
+ return rv;
+}
+
static struct psi_func_redir {
const char *name;
void (*func)(void);
} psi_func_redirs[] = {
+ {"glob", (void (*)(void)) psi_glob},
PSI_REDIRS
{0}
};
for (stdtyp = &psi_std_types[0]; stdtyp->type_tag; ++stdtyp) {
if (!strcmp(type->name, stdtyp->type_name)) {
type->type = stdtyp->type_tag;
+ return 1;
}
- return 1;
}
return 0;
}
return 1;
}
-static inline decl_arg *locate_decl_var_arg(decl_var *var, decl_args *args) {
+static inline decl_arg *locate_decl_var_arg(decl_var *var, decl_args *args, decl_arg *func) {
size_t i;
for (i = 0; i < args->count; ++i) {
decl_arg *arg = args->args[i];
if (!strcmp(var->name, arg->var->name)) {
+ ZEND_ASSERT(!var->arg || var->arg == arg);
return var->arg = arg;
}
}
+ if (func && !strcmp(var->name, func->var->name)) {
+ return var->arg = func;
+ }
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 locate_decl_var_arg(var, s->args, NULL);
}
return NULL;
}
-static inline int validate_set_value(PSI_Data *data, set_value *set, decl_arg *ref, decl_args *ref_list) {
+static inline constant *locate_num_exp_constant(num_exp *exp, constants *consts) {
size_t i;
- decl_type *ref_type = real_decl_type(ref->type);
- decl_var *set_var = set->vars->vars[0];
+ for (i = 0; i < consts->count; ++i) {
+ constant *cnst = consts->list[i];
+
+ if (!strcmp(cnst->name, exp->u.numb)) {
+ free(exp->u.numb);
+ return exp->u.cnst = cnst;
+ }
+ }
+
+ return NULL;
+}
+static inline int validate_num_exp(PSI_Data *data, decl_args *dargs, decl_arg *func, num_exp *exp) {
+ if (exp->operand) {
+ switch (exp->operator) {
+ case PSI_T_PLUS:
+ exp->calculator = psi_calc_add;
+ break;
+ case PSI_T_MINUS:
+ exp->calculator = psi_calc_sub;
+ break;
+ case PSI_T_ASTERISK:
+ exp->calculator = psi_calc_mul;
+ break;
+ case PSI_T_SLASH:
+ exp->calculator = psi_calc_div;
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+ if (!validate_num_exp(data, dargs, func, exp->operand)) {
+ return 0;
+ }
+ }
+ switch (exp->t) {
+ case PSI_T_NAME:
+ if (!locate_decl_var_arg(exp->u.dvar, dargs, func)) {
+ data->error(PSI_WARNING, "Unknown variable '%s' in numeric expression",
+ exp->u.dvar->name);
+ return 0;
+ }
+ return 1;
+ case PSI_T_NSNAME:
+ if (!locate_num_exp_constant(exp, data->consts)) {
+ data->error(PSI_WARNING, "Unknown constant '%s' in numeric expression",
+ exp->u.numb);
+ return 0;
+ }
+ return 1;
+ case PSI_T_NUMBER:
+ return 1;
+ default:
+ return 0;
+ }
+}
+static inline int validate_set_value_handler(set_value *set) {
switch (set->func->type) {
case PSI_T_TO_BOOL:
set->func->handler = psi_to_bool;
case PSI_T_TO_ARRAY:
set->func->handler = psi_to_array;
break;
- EMPTY_SWITCH_DEFAULT_CASE();
+ case PSI_T_TO_OBJECT:
+ set->func->handler = psi_to_object;
+ break;
+ case PSI_T_VOID:
+ set->func->handler = psi_to_void;
+ break;
+ default:
+ return 0;
}
+ return 1;
+}
+static inline void decl_var_arg_v(decl_args *args, va_list argp) {
+ int argc;
+ decl_arg **argv;
- for (i = 1; i < set->vars->count; ++i) {
- if (!locate_decl_var_arg(set->vars->vars[i], ref_list)) {
- return 0;
+ memset(args, 0, sizeof(*args));
+
+ while ((argc = va_arg(argp, int))) {
+ argv = va_arg(argp, decl_arg **);
+ while (argc--) {
+ add_decl_arg(args, *argv++);
}
}
- set_var->arg = ref;
+}
+static inline int validate_set_value_ex(PSI_Data *data, set_value *set, decl_arg *ref, decl_args *ref_list) {
+ size_t i;
+ decl_type *ref_type;
+ decl_var *set_var = set->vars->vars[0];
- 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");
+ if (!validate_set_value_handler(set)) {
+ data->error(PSI_WARNING, "Invalid cast '%s'", set->func->name);
return 0;
}
+ for (i = 0; i < set->vars->count; ++i) {
+ decl_var *svar = set->vars->vars[i];
+ if (!svar->arg && !locate_decl_var_arg(svar, ref_list, NULL)) {
+ data->error(PSI_WARNING, "Unknown variable '%s'", svar->name);
+ return 0;
+ }
+ }
+
+ if (!ref) {
+ ref = set_var->arg;
+ }
+ ref_type = real_decl_type(ref->type);
+
+ if (set->count) {
+ int is_to_array = (set->func->type == PSI_T_TO_ARRAY);
+ int is_pointer_to_struct = (ref_type->type == PSI_T_STRUCT && ref->var->pointer_level);
+
+ if (!is_to_array && !is_pointer_to_struct) {
+ data->error(E_WARNING, "Inner `set` statement casts only work with "
+ "to_array() casts on structs or pointers: %s(%s...", set->func->name, set->vars->vars[0]->name);
+ return 0;
+ }
+ }
+ if (set->num) {
+ if (!validate_num_exp(data, ref_list, ref, set->num)) {
+ 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);
+ set->inner[i]->outer.set = set;
if (sub_ref) {
- if (!validate_set_value(data, set->inner[i], sub_ref, ref_type->strct->args)) {
+ if (!validate_set_value_ex(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);
+ decl_arg *sub_ref = locate_decl_var_arg(sub_var, ref_list, ref);
+ set->inner[0]->outer.set = set;
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)) {
+ if (!validate_set_value_ex(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 1;
}
+static inline int validate_set_value(PSI_Data *data, set_value *set, ...) {
+ va_list argp;
+ decl_args args = {0};
+ int check;
+
+ va_start(argp, set);
+ decl_var_arg_v(&args, argp);
+ va_end(argp);
+
+ check = validate_set_value_ex(data, set, NULL, &args);
+ if (args.args) {
+ free(args.args);
+ }
+ return check;
+}
static inline decl *locate_impl_decl(decls *decls, return_stmt *ret) {
if (decls) {
size_t i;
return 0;
}
- if (!validate_set_value(data, ret->set, ret->decl, impl->decl->args)) {
+ if (!validate_set_value(data, ret->set, 1, &ret->decl, impl->decl->args ? (int) impl->decl->args->count : 0, impl->decl->args ? impl->decl->args->args : NULL, 0)) {
return 0;
}
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 decl arg for every let stmt */
+ for (i = 0; i < impl->stmts->let.count; ++i) {
+ let_stmt *let = impl->stmts->let.list[i];
+ decl_var *let_var;
+ int check = 0;
+
+ if (let->val && let->val->kind == PSI_LET_TMP) {
+ let_var = let->val->data.var;
+ } else {
+ let_var = let->var;
+ }
+
+ if (!locate_decl_var_arg(let_var, impl->decl->args, impl->decl->func)) {
+ data->error(PSI_WARNING, "Unknown variable '%s' in `let` statement"
+ " of implementation '%s'", let_var->name, impl->func->name);
+ return 0;
+ }
+
+ switch (let->val->kind) {
+ case PSI_LET_NULL:
+ break;
+ case PSI_LET_TMP:
+ /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */
+ /* e.g. let foo = *bar; */
+ let->var->pointer_level = let->val->data.var->pointer_level;
+ let->var->arg = init_decl_arg(
+ init_decl_type(real_decl_type(let->val->data.var->arg->type)->type,
+ real_decl_type(let->val->data.var->arg->type)->name),
+ init_decl_var(let->var->name, let->var->pointer_level, let->var->array_size));
+ break;
+ case PSI_LET_NUMEXP:
+ if (!validate_num_exp(data, impl->decl->args, impl->decl->func, let->val->data.num)) {
+ return 0;
+ }
+ break;
+ case PSI_LET_CALLOC:
+ if (!validate_num_exp(data, impl->decl->args, impl->decl->func, let->val->data.alloc->nmemb)) {
+ return 0;
+ }
+ if (!validate_num_exp(data, impl->decl->args, impl->decl->func, let->val->data.alloc->size)) {
+ return 0;
+ }
+ break;
+ case PSI_LET_FUNC:
+ if (impl->func->args) {
+ for (j = 0; j < impl->func->args->count; ++j) {
+ impl_arg *iarg = impl->func->args->args[j];
+
+ if (!strcmp(let->val->data.func->var->name, iarg->var->name)) {
+ let->val->data.func->arg = iarg;
+ check = 1;
+ break;
+ }
+ }
+ }
+ if (!check) {
+ data->error(PSI_WARNING, "Unknown value '$%s' of `let` statement"
+ " for variable '%s' of implementation '%s'",
+ let->val->data.func->var->name, let->var->name, impl->func->name);
+ return 0;
+ }
+ break;
+ }
+ }
+
/* 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];
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) {
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 (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;
+ if (!strcmp(set_var->name, set_arg->var->name)) {
+ check = 1;
+ set_var->arg = set_arg;
+ if (!validate_set_value(data, set->val, 1, &set_arg, 1, &impl->decl->func, impl->decl->args->count, impl->decl->args->args, 0)) {
+ return 0;
+ }
+ break;
+ }
+ }
+ }
+ if (!check) {
+ for (k = 0; k < impl->stmts->let.count; ++k) {
+ let_stmt *let = impl->stmts->let.list[k];
+
+ /* check temp vars */
+ if (let->val && let->val->kind == PSI_LET_TMP) {
+ if (!strcmp(set_var->name, let->var->name)) {
+ check = 1;
+ set_var->arg = let->var->arg;
+ if (!validate_set_value(data, set->val, 1, &set_var->arg, 1, &impl->decl->func, impl->decl->args->count, impl->decl->args->args, 0)) {
+ return 0;
+ }
+ break;
+ }
}
- set_var->arg = set_arg;
- break;
}
}
continue;
}
- while (-1 != PSI_ParserScan(&P)) {
+ while (0 < PSI_ParserScan(&P)) {
PSI_ParserParse(&P, PSI_TokenAlloc(&P));
- };
+ if (P.num == PSI_T_EOF) {
+ break;
+ }
+ }
+
PSI_ParserParse(&P, NULL);
PSI_ContextValidate(C, &P);
PSI_ParserDtor(&P);
dprintf(fd, " ");
dump_decl_var(fd, a->var);
}
+static inline void dump_level(int fd, unsigned level) {
+ dprintf(fd, "%.*s", level, "\t\t\t\t\t\t\t\t\t");
+}
+static inline void dump_num_exp(int fd, num_exp *exp) {
+ while (exp) {
+ switch (exp->t) {
+ case PSI_T_NUMBER:
+ dprintf(fd, "%s", exp->u.numb);
+ break;
+ case PSI_T_NSNAME:
+ dprintf(fd, "%s", exp->u.cnst->name);
+ break;
+ case PSI_T_NAME:
+ dump_decl_var(fd, exp->u.dvar);
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+ if (exp->operand) {
+ char op;
+
+ switch (exp->operator) {
+ case PSI_T_PLUS: op = '+'; break;
+ case PSI_T_MINUS: op = '-'; break;
+ case PSI_T_ASTERISK:op = '*'; break;
+ case PSI_T_SLASH: op = '/'; break;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+ dprintf(fd, " %c ", op);
+ }
+ exp = exp->operand;
+ }
+}
+static inline void dump_impl_set_value(int fd, set_value *set, unsigned level) {
+ size_t i;
+
+ if (level > 1) {
+ /* only if not directly after `set ...` */
+ dump_level(fd, level);
+ }
+ dprintf(fd, "%s(", set->func->name);
+
+ for (i = 0; i < set->vars->count; ++i) {
+ decl_var *svar = set->vars->vars[i];
+ if (i) {
+ dprintf(fd, ", ");
+ }
+ dump_decl_var(fd, svar);
+ }
+ if (set->num) {
+ dprintf(fd, ", ");
+ dump_num_exp(fd, set->num);
+ }
+ if (set->inner) {
+ dprintf(fd, ",\n");
+ for (i = 0; i < set->count; ++i) {
+ dump_impl_set_value(fd, set->inner[i], level+1);
+ }
+ /* only if inner stmts, i.e. with new lines, were dumped */
+ dump_level(fd, level);
+ }
+ if (level > 1) {
+ dprintf(fd, "),\n");
+ } else {
+ dprintf(fd, ");\n");
+ }
+}
void PSI_ContextDump(PSI_Context *C, int fd)
{
- size_t i, j;
+ size_t i, j, k, l;
#ifdef HAVE_LIBJIT
if (C->ops == PSI_Libjit()) {
- dprintf(fd, "#PSI(libjit)\n");
+ dprintf(fd, "// psi.engine=jit\n");
}
#endif
#ifdef HAVE_LIBFFI
if (C->ops == PSI_Libffi()) {
- dprintf(fd, "#PSI(libffi)\n");
+ dprintf(fd, "// psi.engine=ffi\n");
}
#endif
+ dprintf(fd, "\n");
- if (C->defs) for (i = 0; i < C->defs->count; ++i) {
- decl_typedef *tdef = C->defs->list[i];
+ if (C->defs) {
+ for (i = 0; i < C->defs->count; ++i) {
+ decl_typedef *tdef = C->defs->list[i];
- dprintf(fd, "typedef ");
- dump_decl_type(fd, tdef->type);
- dprintf(fd, " %s;\n", tdef->alias);
+ dprintf(fd, "typedef ");
+ dump_decl_type(fd, tdef->type);
+ dprintf(fd, " %s;\n", tdef->alias);
+ }
+ dprintf(fd, "\n");
}
- 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);
+ if (C->structs) {
+ for (i = 0; i < C->structs->count; ++i) {
+ decl_struct *strct = C->structs->list[i];
+
+ dprintf(fd, "struct %s::(%zu) {\n", strct->name, strct->size);
+ if (strct->args) for (j = 0; j < strct->args->count; ++j) {
+ decl_arg *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");
}
- dprintf(fd, "}\n");
+ dprintf(fd, "\n");
}
+ if (C->consts) {
+ for (i = 0; i < C->consts->count; ++i) {
+ constant *cnst = C->consts->list[i];
- dprintf(fd, "\n");
+ dprintf(fd, "const %s %s = ", cnst->type->name, cnst->name);
+ if (cnst->val->type == PSI_T_QUOTED_STRING) {
+ dprintf(fd, "\"%s\";\n", cnst->val->text);
+ } else {
+ dprintf(fd, "%s;\n", cnst->val->text);
+ }
+ }
+ dprintf(fd, "\n");
+ }
+ if (C->decls) {
+ for (i = 0; i < C->decls->count; ++i) {
+ decl *decl = C->decls->list[i];
+
+ dprintf(fd, "%s ", decl->abi->convention);
+ dump_decl_arg(fd, decl->func);
+ dprintf(fd, "(");
+ if (decl->args) for (j = 0; j < decl->args->count; ++j) {
+ if (j) {
+ dprintf(fd, ", ");
+ }
+ dump_decl_arg(fd, decl->args->args[j]);
+ }
+ dprintf(fd, ");\n");
+ }
+ dprintf(fd, "\n");
+ }
+ if (C->impls) {
+ for (i = 0; i < C->impls->count; ++i) {
+ impl *impl = C->impls->list[i];
+
+ dprintf(fd, "function %s(", impl->func->name);
+ if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) {
+ impl_arg *iarg = impl->func->args->args[j];
+
+ dprintf(fd, "%s%s %s$%s",
+ j ? ", " : "",
+ iarg->type->name,
+ iarg->var->reference ? "&" : "",
+ iarg->var->name);
+ if (iarg->def) {
+ dprintf(fd, " = %s", iarg->def->text);
+ }
+ }
+ dprintf(fd, ") : %s%s {\n",
+ impl->func->return_reference ? "&":"",
+ impl->func->return_type->name);
+ if (impl->stmts) {
+ for (j = 0; j < impl->stmts->let.count; ++j) {
+ let_stmt *let = impl->stmts->let.list[j];
+
+ dprintf(fd, "\tlet %s", let->var->name);
+ if (let->val) {
+ dprintf(fd, " = %s", let->val->flags.one.is_reference ? "&" : "");
+ switch (let->val->kind) {
+ case PSI_LET_NULL:
+ dprintf(fd, "NULL");
+ break;
+ case PSI_LET_TMP:
+ dump_decl_var(fd, let->val->data.var);
+ break;
+ case PSI_LET_CALLOC:
+ dprintf(fd, "calloc(");
+ dump_num_exp(fd, let->val->data.alloc->nmemb);
+ dprintf(fd, ", ");
+ dump_num_exp(fd, let->val->data.alloc->size);
+ dprintf(fd, ")");
+ break;
+ case PSI_LET_FUNC:
+ dprintf(fd, "%s($%s)", let->val->data.func->name,
+ let->val->data.func->var->name);
+ break;
+
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+ dprintf(fd, ";\n");
+ }
+ }
+ for (j = 0; j < impl->stmts->ret.count; ++j) {
+ return_stmt *ret = impl->stmts->ret.list[j];
+
+ dprintf(fd, "\treturn ");
+ dump_impl_set_value(fd, ret->set, 1);
+ }
+ for (j = 0; j < impl->stmts->set.count; ++j) {
+ set_stmt *set = impl->stmts->set.list[j];
+
+ dprintf(fd, "\tset $%s = ", set->var->name);
+ dump_impl_set_value(fd, set->val, 1);
+ }
+ for (j = 0; j < impl->stmts->fre.count; ++j) {
+ free_stmt *fre = impl->stmts->fre.list[j];
+
+ dprintf(fd, "\tfree ");
+ for (k = 0; k < fre->calls->count; ++k) {
+ free_call *call = fre->calls->list[k];
+
+ if (k) {
+ dprintf(fd, ", ");
+ }
+ dprintf(fd, "%s(", call->func);
+ for (l = 0; l < call->vars->count; ++l) {
+ decl_var *fvar = call->vars->vars[l];
+
+ dump_decl_var(fd, fvar);
+ }
+ dprintf(fd, ");\n");
+ }
+ }
+ }
+ dprintf(fd, "}\n");
+ }
+ dprintf(fd, "\n");
+ }
}
void PSI_ContextDtor(PSI_Context *C)