int line = 1, expunge_depth, first_nl, tmpline;
extern void root(char * filename);
-extern void args(int n);
+extern void args(int n, int rest);
extern void shorten(char * filename, int n);
extern void pipeopen(char * filename, char * mode);
%}
SPACE [ \t\r\v\f]
MACROS (@BAKE|@FILENAME|@FILE|@NAME|@SHORT|@ARGS|@LINE|@STOP|$@|$*|$+)
-%x FOUND PADDING STOP EXPAND
+%x FOUND PADDING STOP
%option nodefault noinput nounput noyywrap
%%
@BAKE[[:space:]] { bake:
static int nth = 0;
first_nl = 1;
- if (yytext[yyleng-1] == '\n') { ++line; }
- if (!g_select) { ; }
+ if (yytext[yyleng-1] == '\n') { ++line; }
+ if (!g_select) { ; }
else if (g_select < 0) { BEGIN FOUND; printf("%s:%d:s%d: ", g_filename, line, ++nth); }
- else if (!--g_select) { BEGIN FOUND; }
+ else if (!--g_select) { BEGIN FOUND; }
}
<FOUND>{
' { if (g_rm) { STRING("\\'"); } else { ECHO; } }
@BAKE[[:space:]]|@STOP { BEGIN INITIAL; yyless(0); if (first_nl) { CHAR('\n'); } if (!g_select) { return 0; } }
\\\n { BEGIN PADDING; ++line; CHAR(' '); }
- {MACROS} { BEGIN EXPAND; yyless(0); }
+ @FILENAME|@FILE|@NAME|$@ { STRING(g_filename); }
+ @SHORT:[[:digit:]]+ { shorten(g_filename, atoi(strrchr(yytext, ':')+1)); }
+ @SHORT|$\* { shorten(g_filename, 1); }
+ @ARGS:[[:digit:]]+ { args(atoi(strrchr(yytext, ':')+1), 0); }
+ @ARGS:[[:digit:]]+\+ { args(atoi(strrchr(yytext, ':')+1), 1); }
+ @ARGS|$\+ { args(0, 1); }
+ @LINE { FORMAT("%d", line); }
+ @RECURS { char * prog = realpath(av0, NULL); STRING(prog); free(prog); }
\\{MACROS} { STRING(yytext + 1); }
{SPACE} { BEGIN PADDING; CHAR(' '); }
\n { CHAR('\n'); ++line; if (first_nl) { BEGIN STOP; first_nl = 0; tmpline = 0; } }
.|\\' { ECHO; }
}
-<EXPAND>{
- @FILENAME|@FILE|@NAME|$@ { BEGIN FOUND; STRING(g_filename); }
- @SHORT:[[:digit:]]+ { BEGIN FOUND; shorten(g_filename, atoi(strrchr(yytext, ':')+1)); }
- @SHORT|$\* { BEGIN FOUND; shorten(g_filename, 1); }
- @ARGS:[[:digit:]]+ { BEGIN FOUND; args(atoi(strrchr(yytext, ':')+1)); }
- @ARGS|$\+ { BEGIN FOUND; args(-1); }
- @LINE { BEGIN FOUND; FORMAT("%d", line); }
- .|\n { BEGIN FOUND; yyless(0); }
-}
-
<PADDING>{
{SPACE} { ; }
.|\n { yyless(0); BEGIN FOUND; }
free(path);
}
-void args(int n) {
- if (n < 0) { for (int i = 0; i < g_ac; ++i) { STRING(g_av[i]); if (i + 1 < g_ac) { CHAR(' '); } } }
- else if (n < g_ac) { STRING(g_av[n]); }
+void args(int n, int rest) {
+ if (!rest && n < g_ac) { STRING(g_av[n]); }
+ else for (int i = n; i < g_ac; ++i) { STRING(g_av[i]); if (i + 1 < g_ac) { CHAR(' '); } }
}
void shorten(char * filename, int n) {