-#define BSIZE 256
-
-typedef int token_t;
-
-typedef struct PSI_Token {
- token_t type;
- unsigned line;
- size_t size;
- char text[1];
-} PSI_Token;
-
-typedef struct decl_type {
- char *name;
- token_t type;
- struct decl_type *real;
-} decl_type;
-
-static inline decl_type *init_decl_type(token_t type, char *name) {
- decl_type *t = malloc(sizeof(*t));
- t->type = type;
- t->name = strdup(name);
- t->real = NULL;
- return t;
-}
-
-static inline decl_type *real_decl_type(decl_type *type) {
- while (type->real) {
- type = type->real;
- }
- return type;
-}
-
-static inline void free_decl_type(decl_type *type) {
- free(type->name);
- free(type);
-}
-
-typedef struct decl_typedef {
- char *alias;
- decl_type *type;
-} decl_typedef;
-
-static inline decl_typedef *init_decl_typedef(char *name, decl_type *type) {
- decl_typedef *t = malloc(sizeof(*t));
- t->alias = strdup(name);
- t->type = type;
- return t;
-}
-
-static inline void free_decl_typedef(decl_typedef *t) {
- free(t->alias);
- free_decl_type(t->type);
- free(t);
-}
-
-typedef struct decl_typedefs {
- size_t count;
- decl_typedef **list;
-} decl_typedefs;
-
-static inline decl_typedefs *add_decl_typedef(decl_typedefs *defs, decl_typedef *def) {
- if (!defs) {
- defs = calloc(1, sizeof(*defs));
- }
- defs->list = realloc(defs->list, ++defs->count * sizeof(*defs->list));
- defs->list[defs->count-1] = def;
- return defs;
-}
-
-static void free_decl_typedefs(decl_typedefs *defs) {
- size_t i;
-
- for (i = 0; i < defs->count; ++i) {
- free_decl_typedef(defs->list[i]);
- }
- free(defs->list);
- free(defs);
-}
-
-typedef struct decl_var {
- char *name;
- unsigned pointer_level;
- unsigned array_size;
- struct decl_arg *arg;
-} decl_var;
-
-static inline decl_var *init_decl_var(char *name, unsigned pl, unsigned as) {
- decl_var *v = malloc(sizeof(*v));
- v->name = (char *) strdup((const char *) name);
- v->pointer_level = pl;
- v->array_size = as;
- return v;
-}
-
-static inline void free_decl_var(decl_var *var) {
- free(var->name);
- free(var);
-}
-
-typedef struct decl_arg {
- decl_type *type;
- decl_var *var;
- struct let_stmt *let;
-} decl_arg;
-
-static inline decl_arg *init_decl_arg(decl_type *type, decl_var *var) {
- decl_arg *arg = malloc(sizeof(*arg));
- arg->type = type;
- arg->var = var;
- arg->let = NULL;
- return arg;
-}
-
-static inline void free_decl_arg(decl_arg *arg) {
- free_decl_type(arg->type);
- free_decl_var(arg->var);
- free(arg);
-}
-
-typedef struct decl_vars {
- decl_var **vars;
- size_t count;
-} decl_vars;
-
-static inline decl_vars *init_decl_vars(decl_var *var) {
- decl_vars *vars = malloc(sizeof(*vars));
- vars->count = 1;
- vars->vars = malloc(sizeof(*vars->vars));
- vars->vars[0] = var;
- return vars;
-}
-
-static inline decl_vars *add_decl_var(decl_vars *vars, decl_var *var) {
- vars->vars = realloc(vars->vars, ++vars->count * sizeof(*vars->vars));
- vars->vars[vars->count-1] = var;
- return vars;
-}
-
-static inline void free_decl_vars(decl_vars *vars) {
- size_t i;
-
- for (i = 0; i < vars->count; ++i) {
- free_decl_var(vars->vars[i]);
- }
- free(vars->vars);
- free(vars);
-}
-
-typedef struct decl_args {
- decl_arg **args;
- size_t count;
-} decl_args;
-
-static inline decl_args *init_decl_args(decl_arg *arg) {
- decl_args *args = malloc(sizeof(*args));
- args->count = 1;
- args->args = malloc(sizeof(*args->args));
- args->args[0] = arg;
- return args;
-}
-
-static inline decl_args *add_decl_arg(decl_args *args, decl_arg *arg) {
- args->args = realloc(args->args, ++args->count * sizeof(*args->args));
- args->args[args->count-1] = arg;
- return args;
-}
-
-static inline void free_decl_args(decl_args *args) {
- size_t i;
-
- for (i = 0; i < args->count; ++i) {
- free_decl_arg(args->args[i]);
- }
- free(args->args);
- free(args);
-}
-
-typedef struct decl_abi {
- char *convention;
-} decl_abi;
-
-static inline decl_abi *init_decl_abi(char *convention) {
- decl_abi *abi = malloc(sizeof(*abi));
- abi->convention = strdup(convention);
- return abi;
-}
-
-static inline void free_decl_abi(decl_abi *abi) {
- free(abi->convention);
- free(abi);
-}
-
-typedef struct decl {
- decl_abi *abi;
- decl_arg *func;
- decl_args *args;
- void *dlptr;
-} decl;
-
-static inline decl* init_decl(decl_abi *abi, decl_arg *func, decl_args *args) {
- decl *d = malloc(sizeof(*d));
- d->abi = abi;
- d->func = func;
- d->args = args;
- return d;
-}
-
-static inline void free_decl(decl *d) {
- free_decl_abi(d->abi);
- free_decl_arg(d->func);
- free_decl_args(d->args);
- free(d);
-}
-
-typedef struct decls {
- size_t count;
- decl **list;
-} decls;
-
-static inline decls *add_decl(decls *decls, decl *decl) {
- if (!decls) {
- decls = calloc(1, sizeof(*decls));
- }
- decls->list = realloc(decls->list, ++decls->count * sizeof(*decls->list));
- decls->list[decls->count-1] = decl;
- return decls;
-}
-
-static inline void free_decls(decls *decls) {
- size_t i;
-
- for (i = 0; i < decls->count; ++i) {
- free_decl(decls->list[i]);
- }
- free(decls->list);
- free(decls);
-}
-
-typedef union impl_val {
- unsigned char bval;
- char cval;
- short sval;
- int ival;
- double dval;
- zend_long lval;
- zend_string *str;
- void *ptr;
-} impl_val;
-
-static inline impl_val *deref_impl_val(unsigned level, impl_val *ret_val, decl_arg *darg) {
- unsigned i;
-
- for (i = level; i < darg->var->pointer_level && ret_val->ptr; ++i) {
- ret_val = *(void **)ret_val;
- }
- return ret_val;
-}
-
-typedef struct impl_type {
- char *name;
- token_t type;
-} impl_type;
-
-static inline impl_type *init_impl_type(token_t type, char *name) {
- impl_type *t = malloc(sizeof(*t));
-
- t->type = type;
- t->name = (char *) strdup((const char *) name);
- return t;
-}
-
-static inline void free_impl_type(impl_type *type) {
- free(type->name);
- free(type);
-}
-
-typedef struct impl_var {
- char *name;
- unsigned reference:1;
-} impl_var;
-
-static inline impl_var *init_impl_var(char *name, int is_reference) {
- impl_var *var = malloc(sizeof(*var));
- var->name = (char *) strdup((const char *) name);
- var->reference = is_reference;
- return var;
-}
-
-static inline void free_impl_var(impl_var *var) {
- free(var->name);
- free(var);
-}
-
-typedef struct impl_def_val {
- token_t type;
- char *text;
-} impl_def_val;
-
-static inline impl_def_val *init_impl_def_val(PSI_Token *T) {
- impl_def_val *def = malloc(sizeof(*def));
- def->type = T->type;
- def->text = strdup(T->text);
- return def;
-}
-
-static inline void free_impl_def_val(impl_def_val *def) {
- free(def->text);
- free(def);
-}
-
-typedef struct impl_arg {
- impl_type *type;
- impl_var *var;
- impl_def_val *def;
- impl_val val;
- zval *_zv;
-} impl_arg;
-
-static inline impl_arg *init_impl_arg(impl_type *type, impl_var *var, impl_def_val *def) {
- impl_arg *arg = malloc(sizeof(*arg));
- arg->type = type;
- arg->var = var;
- arg->def = def;
- return arg;
-}
-
-static inline void free_impl_arg(impl_arg *arg) {
- free_impl_type(arg->type);
- free_impl_var(arg->var);
- if (arg->def) {
- free_impl_def_val(arg->def);
- }
- free(arg);
-}
-
-typedef struct impl_args {
- impl_arg **args;
- size_t count;
-} impl_args;
-
-static inline impl_args *init_impl_args(impl_arg *arg) {
- impl_args *args = malloc(sizeof(*args));
- args->args = malloc(sizeof(*args->args));
- if (arg) {
- args->count = 1;
- args->args[0] = arg;
- } else {
- args->count = 0;
- args->args = NULL;
- }
- return args;
-}
-
-static inline impl_args *add_impl_arg(impl_args *args, impl_arg *arg) {
- args->args = realloc(args->args, ++args->count * sizeof(*args->args));
- args->args[args->count-1] = arg;
- return args;
-}
-
-static inline void free_impl_args(impl_args *args) {
- size_t i;
-
- for (i = 0; i < args->count; ++i) {
- free_impl_arg(args->args[i]);
- }
- free(args->args);
- free(args);
-}
-
-typedef struct impl_func {
- char *name;
- impl_args *args;
- impl_type *return_type;
- unsigned return_reference:1;
-} impl_func;
-
-static inline impl_func *init_impl_func(char *name, impl_args *args, impl_type *type, int ret_reference) {
- impl_func *func = malloc(sizeof(*func));
- func->name = strdup(name);
- func->args = args ? args : init_impl_args(NULL);
- func->return_type = type;
- func->return_reference = ret_reference;
- return func;
-}
-
-static inline void free_impl_func(impl_func *f) {
- free_impl_type(f->return_type);
- free_impl_args(f->args);
- free(f->name);
- free(f);
-}
-
-typedef struct let_func {
- token_t type;
- char *name;
-} let_func;
-
-static inline let_func *init_let_func(token_t type, char *name) {
- let_func *func = malloc(sizeof(*func));
- func->type = type;
- func->name = (char *) strdup((const char *) name);
- return func;
-}
-
-static inline void free_let_func(let_func *func) {
- free(func->name);
- free(func);
-}
-
-typedef struct let_value {
- let_func *func;
- impl_var *var;
- unsigned is_reference:1;
-} let_value;
-
-static inline let_value *init_let_value(let_func *func, impl_var *var, int is_reference) {
- let_value *val = malloc(sizeof(*val));
- val->is_reference = is_reference;
- val->func = func;
- val->var = var;
- return val;
-}
-
-static inline void free_let_value(let_value *val) {
- if (val->func) {
- free_let_func(val->func);
- }
- if (val->var) {
- free_impl_var(val->var);
- }
- free(val);
-}
-
-typedef struct let_stmt {
- decl_var *var;
- let_value *val;
- impl_arg *arg;
- impl_val out;
- void *ptr;
- void *mem;
-} let_stmt;
-
-static inline let_stmt *init_let_stmt(decl_var *var, let_value *val) {
- let_stmt *let = calloc(1, sizeof(*let));
- let->var = var;
- let->val = val;
- return let;
-}
-
-static inline void free_let_stmt(let_stmt *stmt) {
- free_decl_var(stmt->var);
- free_let_value(stmt->val);
- free(stmt);
-}
-
-typedef struct set_func {
- token_t type;
- char *name;
-} set_func;
-
-static inline set_func *init_set_func(token_t type, char *name) {
- set_func *func = malloc(sizeof(*func));
- func->type = type;
- func->name = (char *) strdup((const char *) name);
- return func;
-}
-
-static inline void free_set_func(set_func *func) {
- free(func->name);
- free(func);
-}
-
-typedef struct set_value {
- set_func *func;
- decl_vars *vars;
-} set_value;
-
-static inline set_value *init_set_value(set_func *func, decl_vars *vars) {
- set_value *val = malloc(sizeof(*val));
- val->func = func;
- val->vars = vars;
- return val;
-}
-
-static inline void free_set_value(set_value *val) {
- free_set_func(val->func);
- free_decl_vars(val->vars);
- free(val);
-}
-
-typedef struct set_stmt {
- impl_var *var;
- set_value *val;
- impl_arg *arg;
-} set_stmt;
-
-static inline set_stmt *init_set_stmt(impl_var *var, set_value *val) {
- set_stmt *set = malloc(sizeof(*set));
- set->var = var;
- set->val = val;
- return set;
-}
-
-static inline void free_set_stmt(set_stmt *set) {
- free_impl_var(set->var);
- free_set_value(set->val);
- free(set);
-}
-
-typedef struct return_stmt {
- set_func *func;
- decl_var *decl;
-} return_stmt;
-
-static inline return_stmt *init_return_stmt(set_func *func, decl_var *decl) {
- return_stmt *ret = malloc(sizeof(*ret));
- ret->func = func;
- ret->decl = decl;
- return ret;
-}
-
-static inline void free_return_stmt(return_stmt *ret) {
- free_set_func(ret->func);
- free_decl_var(ret->decl);
- free(ret);
-}
-
-typedef struct free_stmt {
- decl_vars *vars;
-} free_stmt;
-
-static inline free_stmt *init_free_stmt(decl_vars *vars) {
- free_stmt *free_ = malloc(sizeof(*free_));
- free_->vars = vars;
- return free_;
-}
-
-static inline void free_free_stmt(free_stmt *free_) {
- free_decl_vars(free_->vars);
- free(free_);
-}
-
-typedef struct impl_stmt {
- token_t type;
- union {
- let_stmt *let;
- set_stmt *set;
- return_stmt *ret;
- free_stmt *fre;
- void *ptr;
- } s;
-} impl_stmt;
-
-static inline impl_stmt *init_impl_stmt(token_t type, void *ptr) {
- impl_stmt *stmt = malloc(sizeof(*stmt));
- stmt->type = type;
- stmt->s.ptr = ptr;
- return stmt;
-}
-
-static inline void free_impl_stmt(impl_stmt *stmt) {
- switch (stmt->type) {
- case PSI_T_LET:
- free_let_stmt(stmt->s.let);
- break;
- case PSI_T_SET:
- free_set_stmt(stmt->s.set);
- break;
- case PSI_T_RETURN:
- free_return_stmt(stmt->s.ret);
- break;
- case PSI_T_FREE:
- free_free_stmt(stmt->s.fre);
- break;
- }
- free(stmt);
-}
-
-typedef struct impl_stmts {
- struct {
- return_stmt **list;
- size_t count;
- } ret;
- struct {
- let_stmt **list;
- size_t count;
- } let;
- struct {
- set_stmt **list;
- size_t count;
- } set;
- struct {
- free_stmt **list;
- size_t count;
- } fre;
-} impl_stmts;
-
-static inline void *add_impl_stmt_ex(void *list, size_t count, void *stmt) {
- list = realloc(list, count * sizeof(list));
- ((void **)list)[count-1] = stmt;
- return list;
-}
-
-static inline impl_stmts *add_impl_stmt(impl_stmts *stmts, impl_stmt *stmt) {
- switch (stmt->type) {
- case PSI_T_RETURN:
- stmts->ret.list = add_impl_stmt_ex(stmts->ret.list, ++stmts->ret.count, stmt->s.ret);
- break;
- case PSI_T_LET:
- stmts->let.list = add_impl_stmt_ex(stmts->let.list, ++stmts->let.count, stmt->s.let);
- break;
- case PSI_T_SET:
- stmts->set.list = add_impl_stmt_ex(stmts->set.list, ++stmts->set.count, stmt->s.set);
- break;
- case PSI_T_FREE:
- stmts->fre.list = add_impl_stmt_ex(stmts->fre.list, ++stmts->fre.count, stmt->s.fre);
- break;
- }
- free(stmt);
- return stmts;
-}
-
-static inline impl_stmts *init_impl_stmts(impl_stmt *stmt) {
- impl_stmts *stmts = calloc(1, sizeof(*stmts));
- return add_impl_stmt(stmts, stmt);
-}
-
-static inline void free_impl_stmts(impl_stmts *stmts) {
- size_t i;
-
- for (i = 0; i < stmts->let.count; ++i) {
- free_let_stmt(stmts->let.list[i]);
- }
- free(stmts->let.list);
- for (i = 0; i < stmts->ret.count; ++i) {
- free_return_stmt(stmts->ret.list[i]);
- }
- free(stmts->ret.list);
- for (i = 0; i < stmts->set.count; ++i) {
- free_set_stmt(stmts->set.list[i]);
- }
- free(stmts->set.list);
- for (i = 0; i < stmts->fre.count; ++i) {
- free_free_stmt(stmts->fre.list[i]);
- }
- free(stmts->fre.list);
- free(stmts);
-}
-
-typedef struct impl {
- impl_func *func;
- impl_stmts *stmts;
- decl *decl;
-} impl;
-
-static inline impl *init_impl(impl_func *func, impl_stmts *stmts) {
- impl *i = malloc(sizeof(*i));
- i->func = func;
- i->stmts = stmts;
- return i;
-}