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Implemented includes in uxnasm (no asma support yet)

This commit is contained in:
Andrew Alderwick 2021-08-27 23:47:05 +01:00
parent 41e18c16b1
commit 28569d118e
1 changed files with 23 additions and 1 deletions
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24
src/uxnasm.c
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@ -157,7 +157,7 @@ makemacro(char *name, FILE *f)
return error("Macro name is invalid", name);
m = &p.macros[p.mlen++];
scpy(name, m->name, 64);
while(fscanf(f, "%63s", word)) {
while(fscanf(f, "%63s", word) == 1) {
if(word[0] == '{') continue;
if(word[0] == '}') break;
if(m->len > 64)
@ -284,6 +284,21 @@ parsetoken(char *w)
return error("Invalid token", w);
}
static int
doinclude(FILE *f, int (*pass)(FILE *))
{
char word[64];
FILE *finc;
int ret;
if(fscanf(f, "%63s", word) != 1)
return error("End of input", "include");
if(!(finc = fopen(word, "r")))
return error("Include failed to open", word);
ret = pass(finc);
fclose(finc);
return ret;
}
static int
pass1(FILE *f)
{
@ -308,6 +323,9 @@ pass1(FILE *f)
} else if(w[0] == '&') {
if(!makelabel(sublabel(subw, scope, w + 1), addr))
return error("Pass 1 - Invalid sublabel", w);
} else if(scmp(w, "include", 8)) {
if(!doinclude(f, pass1))
return 0;
} else if(sihx(w))
addr += slen(w) / 2;
else
@ -340,6 +358,10 @@ pass2(FILE *f)
} else if(w[0] == '@') {
scpy(w + 1, scope, 64);
continue;
} else if(scmp(w, "include", 8)) {
if(!doinclude(f, pass2))
return 0;
continue;
}
if(w[1] == '&')
scpy(sublabel(subw, scope, w + 2), w + 1, 64);