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Emil 2023-10-10 01:29:56 +00:00
parent a101d14f7c
commit 6b6bff365a
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1 changed files with 33 additions and 19 deletions
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baked.c
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@ -20,24 +20,19 @@
#include <sys/stat.h> #include <sys/stat.h>
#include <unistd.h> #include <unistd.h>
/* Require space after @ABC and before STOP@ (no space required around newline) */
#define REQUIRE_SPACE #define REQUIRE_SPACE
#define NEWLINE "\n"
#ifdef SHAKE_COMPAT # define OTHER_START "@COMPILECMD"
# define START "@COMPILECMD"
# define STOP "STOP@"
# define HELP \
"target-file [arguments ...]\n" \
"Use the format `@COMPILECMD command ...\n' (STOP@ suffix supported) within the target-file\n"
#else
/* Neo-format, as suggested by Anon, as it seems to be an unspoken standard
to prefix external special macros with @ (see code analyzing tools, doctools, etc.) */
# define START "@EXEC" # define START "@EXEC"
# define STOP "STOP@" # define STOP "STOP@"
# define HELP \ # define HELP \
"target-file [arguments ...]\n" \ "target-file [arguments ...]\n" \
"Use the format `@EXEC command ... STOP@' within the target-file\n" "Use the format `@EXEC cmd ...' within the target-file, this will execute the\n" \
#endif "rest of line, or if found within the file, until the STOP@ marker. You may use\n" \
"@COMPILECMD instead of @EXEC. Whitespace is required after and before both\n" \
"operators always.\n"
#define DESC \ #define DESC \
"Options [Must always be first]\n" \ "Options [Must always be first]\n" \
@ -84,27 +79,46 @@ find_region(const char * fn)
if (addr != MAP_FAILED) if (addr != MAP_FAILED)
{ {
start = find(START, addr, s.st_size, strlen(START)); start = find(START, addr, s.st_size, strlen(START));
if (!start)
{
start = find(OTHER_START, addr, s.st_size, strlen(OTHER_START));
start = start - strlen(START) + strlen(OTHER_START) * (start != 0);
}
if (start) if (start)
{ {
start += strlen(START); start += strlen(START);
#ifdef REQUIRE_SPACE #ifdef REQUIRE_SPACE
if (!isspace(*start)) if (!isspace(*start))
{ {
fprintf(stderr, "ERROR: Found @START token without suffix spacing.\n"); fprintf(stderr, "ERROR: Found start without suffix spacing.\n");
return NULL; return NULL;
} }
#endif #endif
stop = find(STOP, start, s.st_size - (start - addr), strlen(STOP)); stop = find(STOP, start, s.st_size - (start - addr), strlen(STOP));
/* NOTE this is assuming the last line of the a file is
terminated with a newline, per unix tradition. */
if (!stop) if (!stop)
{ stop = find(NEWLINE, start, s.st_size - (start - addr), 1); } {
stop = start;
while (*stop && *stop == '\n'
/* && !(*stop == '\r' */
/* || *stop == '\n') */
)
{
if (stop[0] == '\\')
{
if (stop[1] == '\n')
{ stop += 2; }
/* else if (stop[1] == '\r' && stop[2] == '\n') */
/* { stop += 3; } */
}
++stop;
}
}
#ifdef REQUIRE_SPACE #ifdef REQUIRE_SPACE
else else
{ {
if (!isspace(*(stop - 1))) if (!isspace(*(stop - 1)))
{ {
fprintf(stderr, "ERROR: Found STOP@ token without prefixing spacing.\n"); fprintf(stderr, "ERROR: Found stop without prefixing spacing.\n");
return NULL; return NULL;
} }
} }