diff options
Diffstat (limited to 'printing.c')
| -rw-r--r-- | printing.c | 25 |
1 files changed, 22 insertions, 3 deletions
@@ -21,6 +21,10 @@ typedef struct { const char *color; } print_state_t; +// +// Return the height of a match object (i.e. the number of descendents of the +// structure). +// static int match_height(match_t *m) { int height = 0; @@ -31,6 +35,9 @@ static int match_height(match_t *m) return 1 + height; } +// +// Print a visual explanation for the as-yet-unprinted matches provided. +// static void _visualize_matches(match_node_t *firstmatch, int depth, const char *text, size_t textlen) { if (!firstmatch) return; @@ -153,6 +160,10 @@ static void _visualize_matches(match_node_t *firstmatch, int depth, const char * } } +// +// Recursively look for references to a rule called "pattern" and print an +// explanation for each one. +// static void _visualize_patterns(match_t *m) { if (m->op->type == VM_REF && streq(m->op->args.s, "pattern")) { @@ -165,15 +176,20 @@ static void _visualize_patterns(match_t *m) } } +// +// For a match object, print a visual explanation for each "pattern" matched +// inside it. +// void visualize_match(match_t *m) { printf("\033[?7l"); - //match_node_t first = {.m = m}; - //_visualize_matches(&first, 0, m->start, (m->end - m->start)); _visualize_patterns(m); printf("\033[?7h"); } +// +// Print a line number. +// static void print_line_number(FILE *out, print_state_t *state, print_options_t options) { state->printed_line = state->line; @@ -185,7 +201,7 @@ static void print_line_number(FILE *out, print_state_t *state, print_options_t o } // -// Print a match with replacements and highlighting. +// Helper function for print_match(), using a struct to keep track of some state. // static void _print_match(FILE *out, file_t *f, match_t *m, print_state_t *state, print_options_t options) { @@ -275,6 +291,9 @@ static void _print_match(FILE *out, file_t *f, match_t *m, print_state_t *state, } } +// +// Print a match with replacements and highlighting. +// void print_match(FILE *out, file_t *f, match_t *m, print_options_t options) { print_state_t state = {.line = 1, .color = "\033[0m"}; |