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def

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antirez 2022-12-20 22:24:22 +01:00
parent 6e4870766c
commit dcf2fd3d9b
1 changed files with 14 additions and 1 deletions
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15
aocla.c
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@ -522,7 +522,7 @@ int checkStackType(aoclactx *ctx, size_t count, ...) {
va_start(ap, count);
for (size_t i = 0; i < count; i++) {
int type = va_arg(ap,int);
if (type != ctx->stack[ctx->stacklen-1-i]->type) {
if (type != ctx->stack[ctx->stacklen-count+i]->type) {
setError(ctx,NULL,"Type mismatch");
return 1;
}
@ -637,6 +637,18 @@ int procSortList(const char *fname, aoclactx *ctx) {
return 0;
}
/* "def" let Aocla define new procedures, binding a list to a
* symbol in the procedure table. */
int procDef(const char *fname, aoclactx *ctx) {
NOTUSED(fname);
if (checkStackType(ctx,2,OBJ_TYPE_LIST,OBJ_TYPE_SYMBOL)) return 1;
obj *sym = stackPop(ctx);
obj *code = stackPop(ctx);
addProc(ctx,sym->str.ptr,NULL,code);
release(sym);
return 0;
}
void loadLibrary(aoclactx *ctx) {
addProc(ctx,"+",procBasicMath,NULL);
addProc(ctx,"-",procBasicMath,NULL);
@ -649,6 +661,7 @@ void loadLibrary(aoclactx *ctx) {
addProc(ctx,"<",procCompare,NULL);
addProc(ctx,"!=",procCompare,NULL);
addProc(ctx,"sort",procSortList,NULL);
addProc(ctx,"def",procDef,NULL);
addProcString(ctx,"dup","[(x) $x $x]");
addProcString(ctx,"swap","[(x y) $y $x]");
addProcString(ctx,"drop","[(_)]");