let_func *func = calloc(1, sizeof(*func));
func->type = type;
func->name = strdup(name);
let_func *func = calloc(1, sizeof(*func));
func->type = type;
func->name = strdup(name);
-typedef struct let_value {
- let_func *func;
- impl_var *var;
- num_exp *num;
- 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();
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;
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;
+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);
#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);