| 1 | #include <isl_int.h> |
| 2 | #include <isl/stream.h> |
| 3 | #include <isl_yaml.h> |
| 4 | |
| 5 | struct isl_token { |
| 6 | int type; |
| 7 | |
| 8 | unsigned int on_new_line : 1; |
| 9 | unsigned is_keyword : 1; |
| 10 | int line; |
| 11 | int col; |
| 12 | |
| 13 | union { |
| 14 | isl_int v; |
| 15 | char *s; |
| 16 | isl_map *map; |
| 17 | isl_pw_aff *pwaff; |
| 18 | } u; |
| 19 | }; |
| 20 | |
| 21 | struct isl_token *isl_token_new(isl_ctx *ctx, |
| 22 | int line, int col, unsigned on_new_line); |
| 23 | |
| 24 | /* An input stream that may be either a file or a string. |
| 25 | * |
| 26 | * line and col are the line and column number of the next character (1-based). |
| 27 | * start_line and start_col are set by isl_stream_getc to point |
| 28 | * to the position of the returned character. |
| 29 | * last_line is the line number of the previous token. |
| 30 | * |
| 31 | * yaml_state and yaml_indent keep track of the currently active YAML |
| 32 | * elements. yaml_size is the size of these arrays, while yaml_depth |
| 33 | * is the number of elements currently in use. |
| 34 | * yaml_state and yaml_indent may be NULL if no YAML parsing is being |
| 35 | * performed. |
| 36 | * yaml_state keeps track of what is expected next at each level. |
| 37 | * yaml_indent keeps track of the indentation at each level, with |
| 38 | * ISL_YAML_INDENT_FLOW meaning that the element is in flow format |
| 39 | * (such that the indentation is not relevant). |
| 40 | */ |
| 41 | struct isl_stream { |
| 42 | struct isl_ctx *ctx; |
| 43 | FILE *file; |
| 44 | const char *str; |
| 45 | int line; |
| 46 | int col; |
| 47 | int start_line; |
| 48 | int start_col; |
| 49 | int last_line; |
| 50 | int eof; |
| 51 | |
| 52 | char *buffer; |
| 53 | size_t size; |
| 54 | size_t len; |
| 55 | int c; |
| 56 | int un[5]; |
| 57 | int n_un; |
| 58 | |
| 59 | struct isl_token *tokens[5]; |
| 60 | int n_token; |
| 61 | |
| 62 | struct isl_hash_table *keywords; |
| 63 | enum isl_token_type next_type; |
| 64 | |
| 65 | int yaml_depth; |
| 66 | int yaml_size; |
| 67 | enum isl_yaml_state *yaml_state; |
| 68 | int *yaml_indent; |
| 69 | }; |
| 70 | |