X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fparser.h;h=55f4f9d75f6d57067adacc2e8a43950530cc2dcd;hp=faa95e4931d9811788bf76e5decaa87a87fc08d6;hb=e16c15d5936c3b57b05e49570fb9526920de8188;hpb=2421d323be79e4a811a4197914330a8c0124b130 diff --git a/src/parser.h b/src/parser.h index faa95e4..55f4f9d 100644 --- a/src/parser.h +++ b/src/parser.h @@ -21,12 +21,37 @@ size_t psi_t_size(token_t); typedef struct PSI_Token { token_t type; - unsigned line; - size_t size; - char text[1]; + size_t size, line, col; + char *text, *file; + char buf[1]; } PSI_Token; +typedef union impl_val { + char cval; + int8_t i8; + uint8_t u8; + short sval; + int16_t i16; + uint16_t u16; + int ival; + int32_t i32; + uint32_t u32; + long lval; + int64_t i64; + uint64_t u64; + float fval; + double dval; + union { + zend_bool bval; + zend_long lval; + zend_string *str; + } zend; + void *ptr; + uint8_t _dbg[sizeof(void *)]; +} impl_val; + typedef struct decl_type { + PSI_Token *token; char *name; token_t type; struct decl_type *real; @@ -136,6 +161,9 @@ typedef struct decl_arg { decl_var *var; decl_struct_layout *layout; struct let_stmt *let; + impl_val val; + void *ptr; + void *mem; } decl_arg; static inline decl_arg *init_decl_arg(decl_type *type, decl_var *var) { @@ -143,6 +171,7 @@ static inline decl_arg *init_decl_arg(decl_type *type, decl_var *var) { arg->type = type; arg->var = var; var->arg = arg; + arg->ptr = &arg->val; return arg; } @@ -189,6 +218,7 @@ static inline void free_decl_vars(decl_vars *vars) { typedef struct decl_args { decl_arg **args; size_t count; + unsigned varargs:1; } decl_args; static inline decl_args *init_decl_args(decl_arg *arg) { @@ -330,55 +360,6 @@ static inline void free_decl_structs(decl_structs *ss) { free(ss); } -typedef union impl_val { - char cval; - int8_t i8; - uint8_t u8; - short sval; - int16_t i16; - uint16_t u16; - int ival; - int32_t i32; - uint32_t u32; - long lval; - int64_t i64; - uint64_t u64; - float fval; - double dval; - union { - zend_bool bval; - zend_long lval; - zend_string *str; - } zend; - void *ptr; - uint8_t _dbg[sizeof(void *)]; -} impl_val; - -static inline impl_val *deref_impl_val(impl_val *ret_val, decl_var *var) { - unsigned i; - - if (var->arg->var != var) for (i = 1; i < var->pointer_level; ++i) { - 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; - - 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 = 1; i < var->pointer_level; ++i) { - val_ptr->ptr = (void **) val_ptr + 1; - val_ptr = val_ptr->ptr; - } - val_ptr->ptr = ptr; - return val; -} - typedef struct impl_type { char *name; token_t type; @@ -521,6 +502,7 @@ static inline void free_impl_arg(impl_arg *arg) { typedef struct impl_args { impl_arg **args; size_t count; + impl_arg *vararg; } impl_args; static inline impl_args *init_impl_args(impl_arg *arg) { @@ -576,10 +558,11 @@ typedef struct num_exp { token_t t; union { char *numb; - char *cnst; + constant *cnst; decl_var *dvar; } u; token_t operator; + int (*calculator)(int t1, impl_val *v1, int t2, impl_val *v2, impl_val *res); struct num_exp *operand; } num_exp; @@ -587,10 +570,8 @@ static inline num_exp *init_num_exp(token_t t, void *num) { num_exp *exp = calloc(1, sizeof(*exp)); switch (exp->t = t) { case PSI_T_NUMBER: - exp->u.numb = strdup(num); - break; case PSI_T_NSNAME: - exp->u.cnst = strdup(num); + exp->u.numb = strdup(num); break; case PSI_T_NAME: exp->u.dvar = num; @@ -606,7 +587,6 @@ static inline void free_num_exp(num_exp *exp) { free(exp->u.numb); break; case PSI_T_NSNAME: - free(exp->u.cnst); break; case PSI_T_NAME: free_decl_var(exp->u.dvar); @@ -640,59 +620,98 @@ static inline void free_let_calloc(let_calloc *alloc) { typedef struct let_func { token_t type; char *name; - let_calloc *alloc; + impl_var *var; + impl_arg *arg; } let_func; -static inline let_func *init_let_func(token_t type, const char *name, let_calloc *alloc) { +static inline let_func *init_let_func(token_t type, const char *name, impl_var *var) { let_func *func = calloc(1, sizeof(*func)); func->type = type; func->name = strdup(name); - func->alloc = alloc; + func->var = var; return func; } static inline void free_let_func(let_func *func) { - if (func->alloc) { - free_let_calloc(func->alloc); - } + free_impl_var(func->var); 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 = calloc(1, sizeof(*val)); - val->is_reference = is_reference; - val->func = func; - val->var = var; - return val; +#define PSI_LET_REFERENCE 0x1; +typedef struct let_val { + enum let_val_kind { + PSI_LET_NULL, + PSI_LET_NUMEXP, + PSI_LET_CALLOC, + PSI_LET_FUNC, + PSI_LET_TMP, + } kind; + union { + num_exp *num; + let_calloc *alloc; + let_func *func; + decl_var *var; + } data; + 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_value(let_value *val) { - if (val->func) { - free_let_func(val->func); - } - if (val->var) { - free_impl_var(val->var); +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(val); + free(let); } typedef struct let_stmt { decl_var *var; - let_value *val; - impl_arg *arg; - impl_val out; + let_val *val; + void *ptr; - void *mem; } let_stmt; -static inline let_stmt *init_let_stmt(decl_var *var, let_value *val) { +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; @@ -700,10 +719,13 @@ static inline let_stmt *init_let_stmt(decl_var *var, let_value *val) { } static inline void free_let_stmt(let_stmt *stmt) { - free_decl_var(stmt->var); if (stmt->val) { - free_let_value(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); } @@ -730,6 +752,7 @@ static inline void free_set_func(set_func *func) { typedef struct set_value { set_func *func; decl_vars *vars; + num_exp *num; struct { struct set_value *set; impl_val *val; @@ -760,6 +783,9 @@ static inline void free_set_value(set_value *val) { } free(val->inner); } + if (val->num) { + free_num_exp(val->num); + } free(val); } @@ -815,6 +841,7 @@ static inline free_call *init_free_call(const char *func, decl_vars *vars) { static inline void free_free_call(free_call *f) { free(f->func); + free_decl_vars(f->vars); free(f); } @@ -1014,11 +1041,6 @@ static void free_impls(impls *impls) { free(impls); } - -#define PSI_ERROR 16 -#define PSI_WARNING 32 -typedef void (*psi_error_cb)(int type, const char *msg, ...); - typedef struct decl_file { char *ln; char *fn; @@ -1057,6 +1079,46 @@ static inline void add_decl_lib(decl_libs *libs, void *dlopened) { libs->dl[libs->count-1] = dlopened; } +static inline impl_val *deref_impl_val(impl_val *ret_val, decl_var *var) { + unsigned i; + + if (var->arg->var != var) for (i = 1; i < var->pointer_level; ++i) { + 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; + + 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 = 1; i < var->pointer_level; ++i) { + 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->ptr + set_arg->layout->pos; + impl_val *val = enref_impl_val(ptr, set_arg->var); + + if (val != ptr) { + *to_free = val; + } + + return val; +} + +#define PSI_ERROR 16 +#define PSI_WARNING 32 +typedef void (*psi_error_cb)(int type, const char *msg, ...); + #define PSI_DATA(D) ((PSI_Data *) (D)) #define PSI_DATA_MEMBERS \ constants *consts; \ @@ -1107,38 +1169,58 @@ typedef struct PSI_Parser { unsigned flags; unsigned errors; void *proc; - size_t line; + size_t line, col; token_t num; char *cur, *tok, *lim, *eof, *ctx, *mrk, buf[BSIZE]; } PSI_Parser; static inline PSI_Token *PSI_TokenAlloc(PSI_Parser *P) { PSI_Token *T; - size_t token_len; + 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, sizeof(*T) + token_len); - T->type = P->num; - T->line = P->line; + T = calloc(1, sizeof(*T) + token_len + fname_len + 1); + T->type = token_typ; T->size = token_len; - T->text[token_len] = 0; + T->line = P->line; + T->col = P->col; + T->file = &T->buf[0]; + T->text = &T->buf[fname_len + 1]; + + memcpy(T->file, P->psi.file.fn, fname_len); memcpy(T->text, P->tok, token_len); return T; } +static inline PSI_Token *PSI_TokenCopy(PSI_Token *src) { + size_t fname_len = strlen(src->file); + size_t strct_len = sizeof(*src) + src->size + fname_len + 1; + PSI_Token *ptr = malloc(strct_len); + + memcpy(ptr, src, strct_len); + + ptr->file = &ptr->buf[0]; + ptr->text = &ptr->buf[fname_len + 1]; + + return ptr; +} + #define PSI_PARSER_DEBUG 0x1 PSI_Parser *PSI_ParserInit(PSI_Parser *P, const char *filename, psi_error_cb error, unsigned flags); void PSI_ParserSyntaxError(PSI_Parser *P, const char *fn, size_t ln, const char *msg, ...); size_t PSI_ParserFill(PSI_Parser *P, size_t n); token_t PSI_ParserScan(PSI_Parser *P); -void PSI_ParserParse(PSI_Parser *P, PSI_Token *T); +void PSI_ParserParse(PSI_Parser *P, PSI_Token *src); void PSI_ParserDtor(PSI_Parser *P); void PSI_ParserFree(PSI_Parser **P);