From 1e665423042a07af06fe1e169726acc50187624f Mon Sep 17 00:00:00 2001 From: Devine Lu Linvega Date: Wed, 3 Apr 2024 20:20:40 -0700 Subject: [PATCH] (uxnasm) References print file and line number --- src/uxnasm.c | 51 +++++++++++++++++++++++++++------------------------ 1 file changed, 27 insertions(+), 24 deletions(-) diff --git a/src/uxnasm.c b/src/uxnasm.c index bfb9dce..edc57fb 100644 --- a/src/uxnasm.c +++ b/src/uxnasm.c @@ -18,8 +18,8 @@ WITH REGARD TO THIS SOFTWARE. typedef unsigned char Uint8; typedef signed char Sint8; typedef unsigned short Uint16; -typedef struct { char *name, rune, *content; Uint16 addr, refs; } Item; typedef struct { int line; char *path; } Context; +typedef struct { char *name, rune, *data; Uint16 addr, refs, line; } Item; static int ptr, length; static char token[0x40], scope[0x40], lambda[0x05]; @@ -37,12 +37,12 @@ static char ops[][4] = { "ADD", "SUB", "MUL", "DIV", "AND", "ORA", "EOR", "SFT" }; -static int find(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 shex(char *s) { int n = 0; char c; while((c = *s++)) { if(find(hexad, c) < 0) return -1; n = n << 4, n |= find(hexad, c); } return n; } /* str to hex */ -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 char *copy(char *src, char *dst, char c) { while(*src && *src != c) *dst++ = *src++; *dst++ = 0; return dst; } /* str copy */ -static char *save(char *s, char c) { char *o = dictnext; while((*dictnext++ = *s++) && *s); *dictnext++ = c; return o; } /* save to dict */ -static char *join(char *a, char j, char *b) { char *res = dictnext; save(a, j), save(b, 0); return res; } /* join two str */ +static int find(char *s, char t) { int i = 0; char c; while((c = *s++)) { if(c == t) return i; i++; } return -1; } +static int shex(char *s) { int n = 0; char c; while((c = *s++)) { if(find(hexad, c) < 0) return -1; n = n << 4, n |= find(hexad, c); } return n; } +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; } +static char *copy(char *src, char *dst, char c) { while(*src && *src != c) *dst++ = *src++; *dst++ = 0; return dst; } +static char *save(char *s, char c) { char *o = dictnext; while((*dictnext++ = *s++) && *s); *dictnext++ = c; return o; } +static char *join(char *a, char j, char *b) { char *res = dictnext; save(a, j), save(b, 0); return res; } #define ishex(x) (shex(x) >= 0) #define isopc(x) (findopcode(x) || scmp(x, "BRK", 4)) @@ -50,8 +50,9 @@ static char *join(char *a, char j, char *b) { char *res = dictnext; save(a, j), #define writeshort(x) (writebyte(x >> 8, ctx) && writebyte(x & 0xff, ctx)) #define findlabel(x) finditem(x, labels, labels_len) #define findmacro(x) finditem(x, macros, macro_len) -#define error_top(name, msg) !printf("%s: %s\n", name, msg) -#define error_asm(name) !printf("%s: %s in @%s, %s:%d.\n", name, token, scope, ctx->path, ctx->line) +#define error_top(id, msg) !printf("%s: %s\n", id, msg) +#define error_asm(id) !printf("%s: %s in @%s, %s:%d.\n", id, token, scope, ctx->path, ctx->line) +#define error_ref(id) !printf("%s: %s, %s:%d\n", id, r->name, r->data, r->line) /* clang-format on */ @@ -121,8 +122,8 @@ walkcomment(FILE *f, Context *ctx) static int walkmacro(Item *m, Context *ctx) { - char c, *contentptr = m->content, *cptr = token; - while((c = *contentptr++)) { + char c, *dataptr = m->data, *cptr = token; + while((c = *dataptr++)) { if(c < 0x21) { *cptr++ = 0x00; if(token[0] && !parse(token, NULL, ctx)) return 0; @@ -174,7 +175,7 @@ makemacro(char *name, FILE *f, Context *ctx) if(findmacro(name)) return error_asm("Macro is duplicate"); m = ¯os[macro_len++]; m->name = push(name, 0); - m->content = dictnext; + m->data = dictnext; while(f && fread(&c, 1, 1, f) && c != '{') if(c == 0xa) ctx->line += 1; while(f && fread(&c, 1, 1, f)) { @@ -209,7 +210,7 @@ makelabel(char *name, int setscope, Context *ctx) } static int -makeref(char *label, char rune, Uint16 addr) +makeref(char *label, char rune, Uint16 addr, Context *ctx) { Item *r; if(refs_len >= 0x1000) return error_top("References limit exceeded", label); @@ -223,6 +224,8 @@ makeref(char *label, char rune, Uint16 addr) r->name = push(label, 0); r->rune = rune; r->addr = addr; + r->line = ctx->line; + r->data = ctx->path; return 1; } @@ -306,15 +309,15 @@ parse(char *w, FILE *f, Context *ctx) case '&': return makelabel(w, 0, ctx); case '}': return makelabel(makelambda(lambda_stack[--lambda_ptr]), 0, ctx); case '#': return writehex(w, ctx); - case '_': return makeref(w + 1, w[0], ptr) && writebyte(0xff, ctx); - case ',': return makeref(w + 1, w[0], ptr + 1) && writebyte(findopcode("LIT"), ctx) && writebyte(0xff, ctx); - case '-': return makeref(w + 1, w[0], ptr) && writebyte(0xff, ctx); - case '.': return makeref(w + 1, w[0], ptr + 1) && writebyte(findopcode("LIT"), ctx) && writebyte(0xff, ctx); + case '_': return makeref(w + 1, w[0], ptr, ctx) && writebyte(0xff, ctx); + case ',': return makeref(w + 1, w[0], ptr + 1, ctx) && writebyte(findopcode("LIT"), ctx) && writebyte(0xff, ctx); + case '-': return makeref(w + 1, w[0], ptr, ctx) && writebyte(0xff, ctx); + case '.': return makeref(w + 1, w[0], ptr + 1, ctx) && writebyte(findopcode("LIT"), ctx) && writebyte(0xff, ctx); case ':': printf("Deprecated rune %s, use =%s\n", w, w + 1); /* fall-through */ - case '=': return makeref(w + 1, w[0], ptr) && writeshort(0xffff); - case ';': return makeref(w + 1, w[0], ptr + 1) && writebyte(findopcode("LIT2"), ctx) && writeshort(0xffff); - case '?': return makeref(w + 1, w[0], ptr + 1) && writebyte(0x20, ctx) && writeshort(0xffff); - case '!': return makeref(w + 1, w[0], ptr + 1) && writebyte(0x40, ctx) && writeshort(0xffff); + case '=': return makeref(w + 1, w[0], ptr, ctx) && writeshort(0xffff); + case ';': return makeref(w + 1, w[0], ptr + 1, ctx) && writebyte(findopcode("LIT2"), ctx) && writeshort(0xffff); + case '?': return makeref(w + 1, w[0], ptr + 1, ctx) && writebyte(0x20, ctx) && writeshort(0xffff); + case '!': return makeref(w + 1, w[0], ptr + 1, ctx) && writebyte(0x40, ctx) && writeshort(0xffff); case '"': return writestring(w + 1, ctx); case '~': return !assemble(w + 1) ? error_asm("Include missing") : 1; case '$': @@ -325,7 +328,7 @@ parse(char *w, FILE *f, Context *ctx) if(ishex(w)) return writehex(w, ctx); if(isopc(w)) return writebyte(findopcode(w), ctx); if((m = findmacro(w))) return walkmacro(m, ctx); - return makeref(w, ' ', ptr + 1) && writebyte(0x60, ctx) && writeshort(0xffff); + return makeref(w, ' ', ptr + 1, ctx) && writebyte(0x60, ctx) && writeshort(0xffff); } static int @@ -336,13 +339,13 @@ resolve(char *filename) for(i = 0; i < refs_len; i++) { Item *r = &refs[i], *l = findlabel(r->name); Uint8 *rom = data + r->addr; - if(!l) return error_top("Label unknown", r->name); + if(!l) return error_ref("Label unknown"); switch(r->rune) { case '_': case ',': *rom = rel = l->addr - r->addr - 2; if((Sint8)data[r->addr] != rel) - return error_top("Relative reference too far", r->name); + return error_ref("Relative reference too far"); break; case '-': case '.':