diff options
Diffstat (limited to 'include/lcq')
| -rw-r--r-- | include/lcq/pit/runtime.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/lcq/pit/runtime.h b/include/lcq/pit/runtime.h index 48e2bcd..da93dda 100644 --- a/include/lcq/pit/runtime.h +++ b/include/lcq/pit/runtime.h @@ -81,12 +81,28 @@ pit_runtime_eval_program *pit_runtime_eval_program_new(u8 *buf, i64 buf_len); void pit_runtime_eval_program_push_literal(struct pit_runtime *rt, pit_runtime_eval_program *s, pit_value x); void pit_runtime_eval_program_push_apply(struct pit_runtime *rt, pit_runtime_eval_program *s, i64 arity); +/* annotation attached to (some) heavy values detaiking things like line numbers */ +typedef struct { + pit_ref ref; + i64 line; + i64 column; +} pit_expr_annotation; +typedef struct { + i64 capacity, next; + pit_expr_annotation data[]; +} pit_expr_annotations; +pit_expr_annotations *pit_expr_annotations_new(u8 *buf, i64 buf_len); +void pit_expr_annotations_push(pit_expr_annotations *s, pit_ref ref, i64 line, i64 column); +pit_expr_annotation *pit_expr_annotations_lookup(pit_expr_annotations *s, pit_ref ref); + typedef struct pit_runtime { /* interpreter state */ pit_arena *heap; /* all heavy values, bytestrings, and arrays. */ /* bytestrings and arrays are allocated at the end (descending), heavy values are allocated at the front */ /* this allows us to iterate over only heavy values at the front (useful in Cheney's algorithm for GC */ pit_arena *backbuffer; /* additional allocation, the same size as the heap (used by GC) */ + pit_expr_annotations *annotations; + pit_expr_annotations *annotations_backbuffer; pit_arena *symtab; i64 symtab_len; /* all symbols - effectively an array of pit_symtab_entry */ /* temporary/"scratch" memory */ pit_arena *scratch; /* temporary arena used during parsing and evaluation */ |