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new option "-q" (quiet), and multi-line commands (ending with '\')

This commit is contained in:
Roberto Ierusalimschy 1997-12-11 15:00:21 -02:00
parent 034f16892e
commit cdd261f332
1 changed files with 31 additions and 9 deletions
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40
lua.c
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@ -1,5 +1,5 @@
/*
** $Id: lua.c,v 1.7 1997/12/03 19:57:54 roberto Exp roberto $
** $Id: lua.c,v 1.8 1997/12/11 14:48:46 roberto Exp roberto $
** Lua stand-alone interpreter
** See Copyright Notice in lua.h
*/
@ -40,16 +40,36 @@ static void assign (char *arg)
}
}
#define BUF_SIZE 512
static void manual_input (void)
static void manual_input (int prompt)
{
if (isatty(0)) {
char buffer[250];
while (1) {
int cont = 1;
while (cont) {
char buffer[BUF_SIZE];
int i = 0;
lua_beginblock();
printf("%s", lua_getstring(lua_getglobal("_PROMPT")));
if (fgets(buffer, sizeof(buffer), stdin) == 0)
break;
if (prompt)
printf("%s", lua_getstring(lua_getglobal("_PROMPT")));
for(;;) {
int c = getchar();
if (c == EOF) {
cont = 0;
break;
}
else if (c == '\n') {
if (i>0 && buffer[i-1] == '\\')
buffer[i-1] = '\n';
else break;
}
else if (i >= BUF_SIZE-1) {
fprintf(stderr, "lua: argument line too long\n");
break;
}
else buffer[i++] = c;
}
buffer[i] = 0;
lua_dostring(buffer);
lua_endblock();
}
@ -70,11 +90,13 @@ int main (int argc, char *argv[])
lua_pushstring("> "); lua_setglobal("_PROMPT");
if (argc < 2) {
printf("%s %s\n", LUA_VERSION, LUA_COPYRIGHT);
manual_input();
manual_input(1);
}
else for (i=1; i<argc; i++) {
if (strcmp(argv[i], "-") == 0)
manual_input();
manual_input(1);
else if (strcmp(argv[i], "-q") == 0)
manual_input(0);
else if (strcmp(argv[i], "-d") == 0)
lua_debug = 1;
else if (strcmp(argv[i], "-v") == 0)