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(uxnasm) Minor optimizations

This commit is contained in:
Devine Lu Linvega 2024-03-26 10:34:20 -07:00
parent ac31bea4bb
commit e632579243
1 changed files with 4 additions and 4 deletions
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8
src/uxnasm.c
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@ -60,10 +60,10 @@ static char ops[][4] = {
static char *runes = "|$@&,_.-;=!?#\"%~"; static char *runes = "|$@&,_.-;=!?#\"%~";
static char *hexad = "0123456789abcdef"; static char *hexad = "0123456789abcdef";
static int cndx(char *s, char t) { char cc, *r = s; while((cc = *r++)) if(t == cc) return 1; return 0; } /* chr in str */ static int cndx(char *s, char t) { int i = 0; char c; while((c = *s++)) { if(c == t) return i; i++; } return -1; } /* chr in str */
static int sihx(char *s) { char c; while((c = *s++)) if(cndx(hexad, c) < 0) return 0; return 1; } /* str is hex */
static int shex(char *s) { int n = 0; char c; while((c = *s++)) { n = n << 4, n |= cndx(hexad, c); } return n; } /* str to num */
static int scmp(char *a, char *b, int len) { int i = 0; while(a[i] == b[i]) if(!a[i] || ++i >= len) return 1; return 0; } /* str compare */ static int scmp(char *a, char *b, int len) { int i = 0; while(a[i] == b[i]) if(!a[i] || ++i >= len) return 1; return 0; } /* str compare */
static int sihx(char *s) { int i = 0; char c; while((c = s[i++])) if(!(c >= '0' && c <= '9') && !(c >= 'a' && c <= 'f')) return 0; return i > 1; } /* str is hex */
static int shex(char *s) { int n = 0, i = 0; char c; while((c = s[i++])) if(c >= '0' && c <= '9') n = n * 16 + (c - '0'); else if(c >= 'a' && c <= 'f') n = n * 16 + 10 + (c - 'a'); return n; } /* str to num */
static int slen(char *s) { int i = 0; while(s[i]) i++; return i; } /* str length */ static int slen(char *s) { int i = 0; while(s[i]) i++; return i; } /* str length */
static int spos(char *s, char c) { Uint8 i = 0, j; while((j = s[i++])) if(j == c) return i; return -1; } /* chr position */ static int spos(char *s, char c) { Uint8 i = 0, j; while((j = s[i++])) if(j == c) return i; return -1; } /* chr position */
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 *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 */
@ -182,7 +182,7 @@ makelabel(char *name)
if(findlabel(name)) return error_asm("Label is duplicate"); if(findlabel(name)) return error_asm("Label is duplicate");
if(sihx(name)) return error_asm("Label is hex number"); if(sihx(name)) return error_asm("Label is hex number");
if(isopcode(name)) return error_asm("Label is opcode"); if(isopcode(name)) return error_asm("Label is opcode");
if(cndx(runes, name[0])) return error_asm("Label name is runic"); if(cndx(runes, name[0]) >= 0) return error_asm("Label name is runic");
if(p.label_len == 0x400) return error_asm("Labels limit exceeded"); if(p.label_len == 0x400) return error_asm("Labels limit exceeded");
l = &p.labels[p.label_len++]; l = &p.labels[p.label_len++];
l->addr = p.ptr; l->addr = p.ptr;