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80% there to total bakery

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Chad C. Starz 2024-09-24 22:29:08 +00:00
parent 6ede123270
commit 591d3734ef
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GPG Key ID: CEEBC9208C287297
1 changed files with 35 additions and 11 deletions
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46
cbake.l
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@ -19,8 +19,7 @@ char ** gav;
/* Options */
int gselect = 1;
/* accum */
int line = 1, expunge_depth = 0;
int line = 1, expunge_depth = 0, first_nl, nth = 0;
extern void root(char * filename);
extern void args(int n);
@ -30,27 +29,52 @@ extern void shorten(char * filename, int n);
SPACE [[:space:]]
NUM [[:digit:]]
%x FOUND
%x FOUND STOP
%option nodefault
%option nodefault noinput noyywrap
%%
@BAKE{SPACE} {
first_nl = 1;
if (gselect < 0) {
printf("%s:%d s%d: ", filename, line, ++nth);
BEGIN FOUND;
}
if (!--gselect) { BEGIN FOUND; }
}
\n { ++line; }
. { ; }
<FOUND>{
\\. { /* skip next char */ ; }
@FILENAME|@FILE|$@ { STRING(filename); }
@SHORT:{NUM}+ { shorten(filename, atoi(strrchr(yytext, ':')+1)); }
@SHORT|$\* { shorten(filename, 1); }
@ARGS:{NUM}+ { args(atoi(strrchr(yytext, ':')+1)); }
@ARGS|$\+ { args(-1); }
@LINE { FORMAT("%d", line); }
@STOP { CHAR('\n'); if (gpipe) { fprintf(stderr, "output: "); } if (!gselect) { return 0; } BEGIN INITIAL; }
@\{ { ++expunge_depth; }
\} {if (!expunge_depth--) { ECHO; } }
\\\n { CHAR('\n'); }
\\[@$] { ; }
@\{ { ++expunge_depth; }
\} { if (!expunge_depth--) { ECHO; } }
\n { ++line; if (first_nl) { first_nl = 0; BEGIN STOP; } }
{SPACE}+ { CHAR(' '); }
. { ECHO; }
}
@BAKE{SPACE} { if (gselect < 0) { static int nth = 0; printf("%s:%d:s%d: ", filename, line, ++nth); BEGIN FOUND; } if (!--gselect) { BEGIN FOUND; } }
\n|<FOUND>\n { ++line; }
. { ; }
/* FIXME +1. fucked up line count when multiline
-2. dropping everything after @BAKE...\n */
<STOP>{
@BAKE{SPACE} {
first_nl = 1;
if (gselect < 0) { printf("\n%s:%d s%d: ", filename, line, ++nth); }
BEGIN FOUND;
}
@STOP { yyless(-1); BEGIN FOUND; }
\n { yymore(); ++line; }
.|\\@ { yymore(); }
}
%%
void root(char * filename) {
@ -99,7 +123,7 @@ int main (int ac, char ** av) {
for (i = 1; i < strlen(av[0]); ++i) {
switch (av[0][i]) {
opt_dry_run: case 'n': run = 0; break;
opt_select: case 's': gselect = atoi(av[0]+2+(av[0][2] == '=')); break;
opt_select: case 's': gselect = atoi(av[0]+2+(av[0][2] == '=')); i = strlen(av[0]); break;
opt_list: case 'l': run = 0; gselect = -1; break;
opt_help: case 'h': help(); return 0;
opt_default: default: fprintf(stderr, "%s: Unknown option '%s'\n", av0, av[0]); return 1;