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author | B. Watson <urchlay@slackware.uk> | 2024-07-17 16:31:23 -0400 |
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committer | B. Watson <urchlay@slackware.uk> | 2024-07-17 16:31:23 -0400 |
commit | 06106300e03dabe51f8ba7805984433730de2fe4 (patch) | |
tree | 42beaf30cb63bf8374aa302b5f6b469c2c92467d | |
parent | 271c293f1a8a1ba3316d6b9fecb955d336441fd0 (diff) | |
download | bw-atari8-tools-06106300e03dabe51f8ba7805984433730de2fe4.tar.gz |
listbas: add -t (disable indent) option, though indentation not yet implemented. also add large commentary section.
-rw-r--r-- | listbas.c | 56 |
1 files changed, 52 insertions, 4 deletions
@@ -78,6 +78,7 @@ int skip_lineno = 0; /* 1 with -l */ int dump_tables = 0; /* 1 with -D */ int autodetect = 1; /* 0 with -b */ int mixed_case = 1; /* 0 with -k, or if input is B_ATARI or B_APLUS */ +int indent = 1; /* 0 with -t, or if input is B_ATARI */ /* change these with -c */ int color_cmd = C_YELLOW; @@ -91,9 +92,11 @@ int color_varnames = NO_COLOR; const char *input_filename; -int badtok = 0; /* set to 1 if we find a bad token */ -int inv = 0; /* set to 1 when we're printing inverse */ -int cur_color = -1; /* -1 = no color */ +int indent_level = 0; +int badtok = 0; /* set to 1 if we find a bad token */ +int inv = 0; /* set to 1 when we're printing inverse */ +int cur_color = -1; /* -1 = no color */ + FILE *outfh; int parse_color(char c) { @@ -146,7 +149,7 @@ int get_bas_type(char *arg) { } void print_help(void) { - printf("Usage: %s [-a|-d|-m|-x|-U] [-B] [-i] [-l] [-u] [-n|-C] [-v] [-c *colors*] [-k] <inputfile>\n", self); + printf("Usage: %s [-a|-d|-m|-x|-U] [-B] [-i] [-l] [-u] [-n|-C] [-v] [-c *colors*] [-k] [-t] <inputfile>\n", self); printf(" -b <XX>: set BASIC type. XX is: a = atari, t = turbo, xl, xe, a+.\n"); printf(" -U: output ATASCII as Unicode/UTF-8 (this is the default).\n"); printf(" -a: output raw ATASCII.\n"); @@ -161,6 +164,7 @@ void print_help(void) { printf(" -u: use underline for inverse video.\n"); printf(" -c: use custom colors (see man page).\n"); printf(" -k: disable mixed case keywords for BXL/BXE (e.g. Print).\n"); + printf(" -t: disable Turbo/BXL/BXE indentation.\n"); printf(" -v: verbose.\n"); } @@ -478,6 +482,47 @@ CALLBACK(print_lineno) { if(color) color_off(); } +/* indentation is totally different between A+, BXL, and BXE. + Turbo and BXE use the same indent style, but Turbo has more + keywords that indent (e.g. REPEAT, DO). + + A+ always indents on the lines after a WHILE or a FOR, unless there's + a matching ENDWHILE or NEXT on the same line. It indents the lines + after IF only if there's no THEN and no matching ENDIF on the + same line. ENDWHILE, NEXT, ENDIF all un-undent one level. The style + is that the the ending keyword (or ELSE) does NOT get unindented, + itself: + + WHILE 1 + PRINT "OK" + ENDWHILE + PRINT "HEY" + + That looks *wrong* to me (the ENDWHILE should line up with the WHILE), but + that's how A+ works. + + BXL's style is to indent the entire block to the same level: + + While 1 + Print "OK" + Endwhile + Print "HEY" + + This applies even if the whole block's on one line: + + ? "OK" + For I=1 To 10:Next I + ? "OK" + +BXE and Turbo work like modern style: the keywords that start and end the +block are not indented, only the lines between them. + + While 1 + Print "OK" + Endwhile + Print "HEY" + + */ CALLBACK(print_cmd) { const char *name; @@ -845,6 +890,9 @@ void init_bas_dialect() { if(bas_type == B_ATARI || bas_type == B_APLUS || bas_type == B_TURBO) mixed_case = 0; + + if(bas_type == B_ATARI) + indent = 0; } int main(int argc, char **argv) { |