- union {
- struct {
- unsigned is_reference:1;
- } one;
- unsigned all;
- } flags;
-} let_val;
-
-static inline let_val *init_let_val(enum let_val_kind kind, void *data) {
- let_val *let = calloc(1, sizeof(*let));
- switch (let->kind = kind) {
- case PSI_LET_NULL:
- break;
- case PSI_LET_NUMEXP:
- let->data.num = data;
- break;
- case PSI_LET_CALLOC:
- let->data.alloc = data;
- break;
- case PSI_LET_FUNC:
- let->data.func = data;
- break;
- case PSI_LET_TMP:
- let->data.var = data;
- break;
- EMPTY_SWITCH_DEFAULT_CASE();
- }
- return let;
-}
-
-static inline void free_let_val(let_val *let) {
- switch (let->kind) {
- case PSI_LET_NULL:
- break;
- case PSI_LET_NUMEXP:
- free_num_exp(let->data.num);
- break;
- case PSI_LET_CALLOC:
- free_let_calloc(let->data.alloc);
- break;
- case PSI_LET_FUNC:
- free_let_func(let->data.func);
- break;
- case PSI_LET_TMP:
- free_decl_var(let->data.var);
- break;
- EMPTY_SWITCH_DEFAULT_CASE();
- }
- free(let);
-}
-
-typedef struct let_stmt {
- decl_var *var;
- let_val *val;
-
- void *ptr;
-} let_stmt;
-
-static inline let_stmt *init_let_stmt(decl_var *var, let_val *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) {
- if (stmt->val) {
- if (stmt->val->kind == PSI_LET_TMP && stmt->var->arg) {
- free_decl_arg(stmt->var->arg);
- }
- free_let_val(stmt->val);
- }
- free_decl_var(stmt->var);
- free(stmt);
-}
-
-struct set_value;
-
-typedef struct set_func {
- PSI_Token *token;
- token_t type;
- char *name;
- void (*handler)(zval *, struct set_value *set, impl_val *ret_val);
-} set_func;
-
-static inline set_func *init_set_func(token_t type, const char *name) {
- set_func *func = calloc(1, sizeof(*func));
- func->type = type;
- func->name = strdup(name);
- return func;
-}
-
-static inline void free_set_func(set_func *func) {
- if (func->token) {
- free(func->token);
- }
- free(func->name);
- free(func);
-}
-
-typedef struct set_value {
- set_func *func;
- decl_vars *vars;
- num_exp *num;
- struct {
- struct set_value *set;
- impl_val *val;
- } outer;
- struct set_value **inner;
- size_t count;
-} set_value;
-
-static inline set_value *init_set_value(set_func *func, decl_vars *vars) {
- set_value *val = calloc(1, sizeof(*val));
- val->func = func;
- val->vars = vars;
- return val;
-}
-static inline set_value *add_inner_set_value(set_value *val, set_value *inner) {
- val->inner = realloc(val->inner, ++val->count * sizeof(*val->inner));
- val->inner[val->count-1] = inner;
- inner->outer.set = val;
- return val;
-}
-
-static inline void free_set_value(set_value *val) {
- if (val->func) {
- free_set_func(val->func);
- }
- if (val->vars) {
- free_decl_vars(val->vars);
- }
- if (val->inner && (!val->outer.set || val->outer.set->inner != val->inner)) {
- size_t i;
- for (i = 0; i < val->count; ++i) {
- free_set_value(val->inner[i]);
- }
- free(val->inner);
- }
- if (val->num) {
- free_num_exp(val->num);
- }
- 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 = calloc(1, 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 {
- PSI_Token *token;
- set_value *set;
- decl_arg *decl;
-} return_stmt;
-
-static inline return_stmt *init_return_stmt(set_value *val) {
- return_stmt *ret = calloc(1, sizeof(*ret));
- ret->set = val;
- return ret;
-}
-
-static inline void free_return_stmt(return_stmt *ret) {
- if (ret->token) {
- free(ret->token);
- }
- free_set_value(ret->set);
- free(ret);
-}
-
-typedef struct free_call {
- PSI_Token *token;
- char *func;
- decl_vars *vars;
- decl *decl;
-} free_call;
-
-static inline free_call *init_free_call(const char *func, decl_vars *vars) {
- free_call *f = calloc(1, sizeof(*f));
- f->func = strdup(func);
- f->vars = vars;
- return f;
-}
-
-static inline void free_free_call(free_call *f) {
- if (f->token) {
- free(f->token);
- }
- free(f->func);
- free_decl_vars(f->vars);
- free(f);
-}
-
-typedef struct free_calls {
- free_call **list;
- size_t count;
-} free_calls;
-
-static inline free_calls *init_free_calls(free_call *f) {
- free_calls *fcs = calloc(1, sizeof(*fcs));
- if (f) {
- fcs->count = 1;
- fcs->list = calloc(1, sizeof(*fcs->list));
- fcs->list[0] = f;
- }
- return fcs;
-}
-
-static inline void free_free_calls(free_calls *fcs) {
- size_t i;
-
- for (i = 0; i < fcs->count; ++i) {
- free_free_call(fcs->list[i]);
- }
- free(fcs->list);
- free(fcs);
-}
-
-static inline free_calls *add_free_call(free_calls *fcs, free_call *f) {
- fcs->list = realloc(fcs->list, ++fcs->count * sizeof(*fcs->list));
- fcs->list[fcs->count-1] = f;
- return fcs;
-}
-
-typedef struct free_stmt {
- free_calls *calls;
-} free_stmt;
-
-static inline free_stmt *init_free_stmt(free_calls *calls) {
- free_stmt *f = calloc(1, sizeof(*f));
- f->calls = calls;
- return f;
-}
-
-static inline void free_free_stmt(free_stmt *f) {
- free_free_calls(f->calls);
- free(f);
-}
-
-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 = calloc(1, 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 = calloc(1, sizeof(*i));
- i->func = func;
- i->stmts = stmts;
- return i;
-}
-
-static inline void free_impl(impl *impl) {
- free_impl_func(impl->func);
- free_impl_stmts(impl->stmts);
- free(impl);
-}
-
-typedef struct impls {
- size_t count;
- impl **list;
-} impls;
-
-static inline impls *add_impl(impls *impls, impl *impl) {
- if (!impls) {
- impls = calloc(1, sizeof(*impls));
- }
- impls->list = realloc(impls->list, ++impls->count * sizeof(*impls->list));
- impls->list[impls->count-1] = impl;
- return impls;
-}
-
-static void free_impls(impls *impls) {
- size_t i;
-
- for (i = 0; i < impls->count; ++i) {
- free_impl(impls->list[i]);
- }
- free(impls->list);
- free(impls);
-}
-
-typedef struct decl_file {
- char *ln;
- char *fn;
-} decl_file;
-
-static inline void free_decl_file(decl_file *file) {
- if (file->ln) {
- free(file->ln);
- }
- if (file->fn) {
- free(file->fn);
- }
- memset(file, 0, sizeof(*file));
-}
-
-typedef struct decl_libs {
- void **dl;
- size_t count;
-} decl_libs;
-
-static inline void free_decl_libs(decl_libs *libs) {
- if (libs->dl) {
- size_t i;
- for (i = 0; i < libs->count; ++i) {
- if (libs->dl[i]) {
- dlclose(libs->dl[i]);
- }
- }
- free(libs->dl);
- }
- memset(libs, 0, sizeof(*libs));
-}
-
-static inline void add_decl_lib(decl_libs *libs, void *dlopened) {
- libs->dl = realloc(libs->dl, ++libs->count * sizeof(*libs->dl));
- libs->dl[libs->count-1] = dlopened;
-}
-
-static inline impl_val *deref_impl_val(impl_val *ret_val, decl_var *var) {
- unsigned i;
-
- ZEND_ASSERT(var->arg->var != var);
-#if 0
- fprintf(stderr, "deref: %s pl=%u:%u as=%u:%u %p\n",
- var->name, var->pointer_level, var->arg->var->pointer_level,
- var->array_size, var->arg->var->array_size, ret_val);
-#endif
- for (i = 0; i < var->pointer_level; ++i) {
-#if 0
- fprintf(stderr, "-- %p %p %p\n", ret_val, *(void**)ret_val, ret_val->ptr);
-#endif
- ret_val = *(void **) ret_val;
- }
- return ret_val;
-}
-
-static inline impl_val *enref_impl_val(void *ptr, decl_var *var) {
- impl_val *val, *val_ptr;
- unsigned i;
-
- ZEND_ASSERT(var->arg->var == var);
-#if 0
- fprintf(stderr, "enref: %s pl=%u:%u as=%u:%u\n",
- var->name, var->pointer_level, var->arg->var->pointer_level,
- var->array_size, var->arg->var->array_size);
-#endif
- if (!var->pointer_level && real_decl_type(var->arg->type)->type != PSI_T_STRUCT) {
- return ptr;
- }
-
- val = val_ptr = calloc(var->pointer_level + 1, sizeof(void *));
- for (i = !var->arg->var->array_size; i < var->pointer_level; ++i) {
-#if 0
- fprintf(stderr, "++\n");
-#endif
- val_ptr->ptr = (void **) val_ptr + 1;
- val_ptr = val_ptr->ptr;
- }
- val_ptr->ptr = ptr;
- return val;
-}
-
-static inline impl_val *struct_member_ref(decl_arg *set_arg, impl_val *struct_ptr, impl_val **to_free) {
- void *ptr = (char *) struct_ptr + set_arg->layout->pos;
-#if 0
- fprintf(stderr, "struct member %s: %p\n", set_arg->var->name, ptr);
-#endif
- return ptr;
-}
-
-
-#define PSI_ERROR 16
-#define PSI_WARNING 32
-typedef void (*psi_error_cb)(PSI_Token *token, int type, const char *msg, ...);
-
-#define PSI_DATA(D) ((PSI_Data *) (D))
-#define PSI_DATA_MEMBERS \
- constants *consts; \
- decl_typedefs *defs; \
- decl_structs *structs; \
- decls *decls; \
- impls *impls; \
- union { \
- decl_file file; \
- decl_libs libs; \
- } psi; \
- psi_error_cb error
-typedef struct PSI_Data {
- PSI_DATA_MEMBERS;
-} PSI_Data;
-
-static inline PSI_Data *PSI_DataExchange(PSI_Data *dest, PSI_Data *src) {
- if (!dest) {
- dest = malloc(sizeof(*dest));
- }
- memcpy(dest, src, sizeof(*dest));
- memset(src, 0, sizeof(*src));
- return dest;
-}
-
-static inline void PSI_DataDtor(PSI_Data *data) {
- if (data->consts) {
- free_constants(data->consts);
- }
- if (data->defs) {
- free_decl_typedefs(data->defs);
- }
- if (data->structs) {
- free_decl_structs(data->structs);
- }
- if (data->decls) {
- free_decls(data->decls);
- }
- if (data->impls) {
- free_impls(data->impls);
- }
- free_decl_file(&data->psi.file);
-}
-
-typedef struct PSI_Parser {
- PSI_DATA_MEMBERS;
- FILE *fp;
- token_t num;
- void *proc;
- unsigned flags, errors, line, col;
- char *cur, *tok, *lim, *eof, *ctx, *mrk, buf[BSIZE];
-} PSI_Parser;
-
-static inline size_t PSI_TokenAllocSize(size_t token_len, size_t fname_len) {
- return sizeof(PSI_Token) + token_len + fname_len + sizeof(unsigned) + 2;
-}
-
-static inline PSI_Token *PSI_TokenAlloc(PSI_Parser *P) {
- PSI_Token *T;
- size_t token_len, fname_len;
- token_t token_typ;
-
- if (P->cur < P->tok) {
- return NULL;
- }
-
- token_typ = P->num;
- token_len = P->cur - P->tok;
- fname_len = strlen(P->psi.file.fn);
-
- T = calloc(1, PSI_TokenAllocSize(token_len, fname_len));
- T->type = token_typ;
- T->size = token_len;
- T->text = &T->buf[0];
- T->file = &T->buf[token_len + 1];
- T->line = (void *) &T->buf[fname_len + token_len + 2];
-
- memcpy(T->text, P->tok, token_len);
- memcpy(T->file, P->psi.file.fn, fname_len);
- memcpy(T->line, &P->line, sizeof(unsigned));
-
- return T;
-}
-
-static inline PSI_Token *PSI_TokenCopy(PSI_Token *src) {
- size_t strct_len = PSI_TokenAllocSize(src->size, strlen(src->file));
- PSI_Token *ptr = malloc(strct_len);
-
- memcpy(ptr, src, strct_len);
-
- ptr->text = &ptr->buf[0];
- ptr->file = &ptr->buf[ptr->size + 1];
-
- return ptr;
-}
-
-static inline PSI_Token *PSI_TokenCat(unsigned argc, ...) {
- va_list argv;
- unsigned i;
- PSI_Token *T = NULL;
-
- va_start(argv, argc);
- for (i = 0; i < argc; ++i) {
- PSI_Token *arg = va_arg(argv, PSI_Token *);
-
- if (T) {
- size_t fname_len = strlen(T->file);
-
- T = realloc(T, PSI_TokenAllocSize(T->size + arg->size, fname_len));
- memmove(&T->buf[T->size + 1], T->file, fname_len + 1);
- memcpy(T->file - 1, arg->text, arg->size + 1);
- T->file = &T->buf[T->size + 1];
- } else {
- T = PSI_TokenCopy(arg);
- T->type = PSI_T_NAME;
- }
- }
- va_end(argv);
-
- return T;
-}
-
-static inline const char *PSI_TokenLocation(PSI_Token *t) {
- return t ? t->file : "<builtin>:0:0";
-}
-
-#define PSI_PARSER_DEBUG 0x1