LABELTAB *labels[LABELTABSIZE];
+/* プログラム名とラベルに対応するハッシュ値を返す */
+unsigned labelhash(const char *prog, const char *label)
+{
+ HKEY *keys[2];
+ int i = 0;
+ if(prog != NULL) {
+ keys[i] = malloc(sizeof(HKEY));
+ keys[i]->type = CHARS;
+ keys[i++]->val.s = strdup(prog);
+ }
+ keys[i] = malloc(sizeof(HKEY));
+ keys[i]->type = CHARS;
+ keys[i]->val.s = strdup(label);
+ /* ハッシュ値を返す */
+ return hash(i+1, keys, LABELTABSIZE);
+}
+
/* ラベル表からアドレスを検索する */
-WORD getlabel(const char *label)
+WORD getlabel(const char *prog, const char *label)
{
LABELTAB *np;
-
- for(np = labels[hash(label, LABELTABSIZE)]; np != NULL; np = np->next){
- if(strcmp(label, np->name) == 0) {
+ for(np = labels[labelhash(prog, label)]; np != NULL; np = np->next) {
+ if((prog == NULL || (np->prog != NULL && strcmp(prog, np->prog) == 0)) &&
+ strcmp(label, np->label) == 0)
+ {
return np->adr;
}
}
}
/* ラベルを表に追加する */
-bool addlabel(const char *label, WORD adr)
+bool addlabel(const char *prog, const char *label, WORD adr)
{
LABELTAB *np;
unsigned hashval;
+ char *keys[2];
+ int i = 0;
- if(getlabel(label) != 0xFFFF){
+ if(getlabel(prog, label) != 0xFFFF) {
setcerr(101, label); /* label already defined */
return false;
}
np = (LABELTAB *) malloc(sizeof(*np));
- if(np == NULL || (np->name = strdup(label)) == NULL){
+ if(np == NULL || (np->label = strdup(label)) == NULL ||
+ (prog != NULL && (np->prog = strdup(prog)) == NULL))
+ {
setcerr(102, NULL); /* label table is full */
return false;
}
- hashval = hash(label, LABELTABSIZE);
+ if(prog != NULL) {
+ keys[i++] = strdup(prog);
+ }
+ keys[i] = strdup(label);;
+ hashval = labelhash(prog, label);
np->next = labels[hashval];
labels[hashval] = np;
np->adr = adr;
{
int i;
LABELTAB *np;
- for(i = 0; i < LABELTABSIZE; i++){
- for(np = labels[i]; np != NULL; np = np->next){
- fprintf(stdout, "%s ---> #%04X\n", np->name, np->adr);
+ for(i = 0; i < LABELTABSIZE; i++) {
+ for(np = labels[i]; np != NULL; np = np->next) {
+ if(np->prog == NULL) {
+ fprintf(stdout, "%s ---> #%04X\n", np->label, np->adr);
+ } else {
+ fprintf(stdout, "%s.%s ---> #%04X\n", np->prog, np->label, np->adr);
+ }
}
}
}
{
int i;
LABELTAB *np, *nq;
- for(i = 0; i < LABELTABSIZE; i++){
+ for(i = 0; i < LABELTABSIZE; i++) {
for(np = labels[i]; np != NULL; np = nq){
nq = np->next;
- free(np->name);
+ free(np->prog);
+ free(np->label);
free(np);
}
}