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(uxnasm) Store macros into dict

This commit is contained in:
Devine Lu Linvega 2024-03-27 10:37:03 -07:00
parent 0db728a46b
commit 1df9b12efd
1 changed files with 10 additions and 14 deletions
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24
src/uxnasm.c
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@ -19,11 +19,7 @@ typedef signed char Sint8;
typedef unsigned short Uint16;
typedef struct {
char *name, content[0x80];
} Macro;
typedef struct {
char *name, rune;
char *name, rune, *content;
Uint16 addr, refs;
} Label;
@ -32,8 +28,7 @@ typedef struct {
Uint8 data[LENGTH];
Uint8 lambda_stack[0x100], lambda_ptr, lambda_len;
Uint16 line, label_len, macro_len, refs_len;
Label labels[0x400], refs[0x1000];
Macro macros[0x100];
Label labels[0x400], refs[0x1000], macros[0x100];
} Program;
static char source[0x40], token[0x40], scope[0x40], sublabel[0x80], lambda[0x05];
@ -59,7 +54,7 @@ static int scmp(char *a, char *b, int len) { int i = 0; while(a[i] == b[i]) if
static int slen(char *s) { int i = 0; while(s[i]) i++; return i; } /* str length */
static char *scpy(char *src, char *dst, int len) { int i = 0; while((dst[i] = src[i]) && i < len - 2) i++; dst[i + 1] = '\0'; return dst; } /* str copy */
static char *scat(char *dst, char *src) { char *ptr = dst + slen(dst); while(*src) *ptr++ = *src++; *ptr = '\0'; return dst; } /* str cat */
static char *push(char *s, char c) { char *ptr = storenext; while((*storenext++ = *s++)); *storenext++ = c; return ptr; } /* save str */
static char *push(char *s, char c) { char *ptr = storenext; while((*storenext++ = *s++) && *s); *storenext++ = c; return ptr; } /* save str */
#define isopcode(x) (findopcode(x) || scmp(x, "BRK", 4))
#define writeshort(x) (writebyte(x >> 8) && writebyte(x & 0xff))
@ -71,7 +66,7 @@ static char *push(char *s, char c) { char *ptr = storenext; while((*storenext++
static int parse(char *w, FILE *f);
static Macro *
static Label *
findmacro(char *name)
{
int i;
@ -137,7 +132,7 @@ walkcomment(char *w, FILE *f)
static int
makemacro(char *name, FILE *f)
{
Macro *m;
Label *m;
char word[0x40];
if(!slen(name)) return error_asm("Macro is empty");
if(findmacro(name)) return error_asm("Macro is duplicate");
@ -146,6 +141,7 @@ makemacro(char *name, FILE *f)
if(p.macro_len == 0x100) return error_asm("Macros limit exceeded");
m = &p.macros[p.macro_len++];
m->name = push(name, 0);
m->content = storenext;
while(fscanf(f, "%63s", word) == 1) {
if(word[0] == '{') continue;
if(word[0] == '}') break;
@ -154,9 +150,9 @@ makemacro(char *name, FILE *f)
if(!walkcomment(word, f)) return error_asm("Comment error");
continue;
}
scat(scat(m->content, word), " ");
push(word, ' ');
}
*storenext++ = 0;
return 1;
}
@ -255,7 +251,7 @@ writehex(char *w)
}
static int
walkmacro(Macro *m)
walkmacro(Label *m)
{
char c, *contentptr = m->content, *cptr = token;
while((c = *contentptr++)) {
@ -307,7 +303,7 @@ static int
parse(char *w, FILE *f)
{
char c;
Macro *m;
Label *m;
switch(w[0]) {
case '(': return !walkcomment(w, f) ? error_asm("Invalid comment") : 1;
case '~': return !makeinclude(w + 1) ? error_asm("Invalid include") : 1;