diff options
| -rw-r--r-- | Documentation/config.txt | 2 | ||||
| -rw-r--r-- | cache.h | 1 | ||||
| -rw-r--r-- | ws.c | 27 |
3 files changed, 25 insertions, 5 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index 06b2f827b4..9bb8f3d898 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -481,6 +481,8 @@ core.whitespace:: error (enabled by default). * `indent-with-non-tab` treats a line that is indented with 8 or more space characters as an error (not enabled by default). +* `tab-in-indent` treats a tab character in the initial indent part of + the line as an error (not enabled by default). * `blank-at-eof` treats blank lines added at the end of file as an error (enabled by default). * `trailing-space` is a short-hand to cover both `blank-at-eol` and @@ -1040,6 +1040,7 @@ void shift_tree_by(const unsigned char *, const unsigned char *, unsigned char * #define WS_INDENT_WITH_NON_TAB 04 #define WS_CR_AT_EOL 010 #define WS_BLANK_AT_EOF 020 +#define WS_TAB_IN_INDENT 040 #define WS_TRAILING_SPACE (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF) #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB) extern unsigned whitespace_rule_cfg; @@ -19,6 +19,7 @@ static struct whitespace_rule { { "cr-at-eol", WS_CR_AT_EOL, 1 }, { "blank-at-eol", WS_BLANK_AT_EOL, 0 }, { "blank-at-eof", WS_BLANK_AT_EOF, 0 }, + { "tab-in-indent", WS_TAB_IN_INDENT, 0, 1 }, }; unsigned parse_whitespace_rule(const char *string) @@ -57,6 +58,9 @@ unsigned parse_whitespace_rule(const char *string) } string = ep; } + + if (rule & WS_TAB_IN_INDENT && rule & WS_INDENT_WITH_NON_TAB) + die("cannot enforce both tab-in-indent and indent-with-non-tab"); return rule; } @@ -127,6 +131,11 @@ char *whitespace_error_string(unsigned ws) strbuf_addstr(&err, ", "); strbuf_addstr(&err, "indent with spaces"); } + if (ws & WS_TAB_IN_INDENT) { + if (err.len) + strbuf_addstr(&err, ", "); + strbuf_addstr(&err, "tab in indent"); + } return strbuf_detach(&err, NULL); } @@ -165,7 +174,7 @@ static unsigned ws_check_emit_1(const char *line, int len, unsigned ws_rule, } } - /* Check for space before tab in initial indent. */ + /* Check indentation */ for (i = 0; i < len; i++) { if (line[i] == ' ') continue; @@ -177,11 +186,19 @@ static unsigned ws_check_emit_1(const char *line, int len, unsigned ws_rule, fputs(ws, stream); fwrite(line + written, i - written, 1, stream); fputs(reset, stream); + fwrite(line + i, 1, 1, stream); } - } else if (stream) - fwrite(line + written, i - written, 1, stream); - if (stream) - fwrite(line + i, 1, 1, stream); + } else if (ws_rule & WS_TAB_IN_INDENT) { + result |= WS_TAB_IN_INDENT; + if (stream) { + fwrite(line + written, i - written, 1, stream); + fputs(ws, stream); + fwrite(line + i, 1, 1, stream); + fputs(reset, stream); + } + } else if (stream) { + fwrite(line + written, i - written + 1, 1, stream); + } written = i + 1; } |