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mruby-bin-mirb: syntax highlight result values and hash key symbols

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Use syntax highlighter for result values instead of single color.
Add support for hash key symbol syntax (e.g., `a:` in `{a: 1}`).

Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Yukihiro "Matz" Matsumoto
2026-02-01 15:11:30 +09:00
parent e8e2e76fd6
commit 1713d4a2e7
1 changed files with 10 additions and 5 deletions
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mrbgems/mruby-bin-mirb/tools/mirb/mirb_highlight.c
+10 -5
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@@ -443,7 +443,12 @@ mirb_highlight_print_line(mirb_highlighter *hl, const char *line)
size_t len = (size_t)(p - token_start);
if (is_const) {
/* Check for hash key symbol syntax: identifier followed by ': ' */
if (*p == ':' && (p[1] == ' ' || p[1] == '\0' || p[1] == ',' || p[1] == '}')) {
p++; /* include the colon */
print_colored(hl, token_start, (size_t)(p - token_start), MIRB_TOK_SYMBOL);
}
else if (is_const) {
print_colored(hl, token_start, len, MIRB_TOK_CONSTANT);
}
else if (!after_dot && is_keyword(token_start, len)) {
@@ -476,16 +481,16 @@ mirb_highlight_print_result(mirb_highlighter *hl, const char *result)
return;
}
/* Print arrow in gray */
if (hl->theme == MIRB_THEME_DARK) {
fputs(DARK_ARROW " => " COLOR_RESET, stdout);
fputs(DARK_RESULT, stdout);
}
else {
fputs(LIGHT_ARROW " => " COLOR_RESET, stdout);
fputs(LIGHT_RESULT, stdout);
}
fputs(result, stdout);
fputs(COLOR_RESET "\n", stdout);
/* Syntax highlight the result value */
mirb_highlight_print_line(hl, result);
putchar('\n');
}
/*