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trying to change the compiler to treat if, elif, else as keywords
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added primAt, primtAtPut, HCL_SYNERR_CATCH
This commit is contained in:
hyung-hwan 2024-08-21 01:00:29 +09:00
parent b9103ea890
commit 32f1da7d28
9 changed files with 223 additions and 113 deletions
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54
lib/cnode.c
View File

@ -24,7 +24,7 @@
#include "hcl-prv.h"
static hcl_cnode_t* make_cnode (hcl_t* hcl, hcl_cnode_type_t type, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
hcl_cnode_t* hcl_makecnode (hcl_t* hcl, hcl_cnode_type_t type, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
hcl_cnode_t* cnode;
hcl_oocs_t empty;
@ -53,67 +53,67 @@ static hcl_cnode_t* make_cnode (hcl_t* hcl, hcl_cnode_type_t type, int flags, co
hcl_cnode_t* hcl_makecnodenil (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_NIL, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_NIL, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodetrue (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_TRUE, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_TRUE, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodefalse (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_FALSE, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_FALSE, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodeself (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_SELF, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_SELF, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodesuper (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_SUPER, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_SUPER, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodeellipsis (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_ELLIPSIS, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_ELLIPSIS, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodetrpcolons (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_TRPCOLONS, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_TRPCOLONS, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodedblcolons (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_DBLCOLONS, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_DBLCOLONS, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodecolon (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_COLON, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_COLON, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodecolongt (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_COLONGT, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_COLONGT, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodecolonlt (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_COLONLT, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_COLONLT, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodecolonstar (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_COLONSTAR, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_COLONSTAR, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodecharlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, hcl_ooch_t v)
{
hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_CHARLIT, flags, loc, tok);
hcl_cnode_t* c = hcl_makecnode(hcl, HCL_CNODE_CHARLIT, flags, loc, tok);
if (HCL_UNLIKELY(!c)) return HCL_NULL;
c->u.charlit.v = v;
return c;
@ -121,7 +121,7 @@ hcl_cnode_t* hcl_makecnodecharlit (hcl_t* hcl, int flags, const hcl_loc_t* loc,
hcl_cnode_t* hcl_makecnodebchrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, hcl_oob_t v)
{
hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_BCHRLIT, flags, loc, tok);
hcl_cnode_t* c = hcl_makecnode(hcl, HCL_CNODE_BCHRLIT, flags, loc, tok);
if (HCL_UNLIKELY(!c)) return HCL_NULL;
c->u.bchrlit.v = v;
return c;
@ -129,7 +129,7 @@ hcl_cnode_t* hcl_makecnodebchrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc,
hcl_cnode_t* hcl_makecnodesymbol (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_SYMBOL, flags, loc, tok);
hcl_cnode_t* c = hcl_makecnode(hcl, HCL_CNODE_SYMBOL, flags, loc, tok);
if (HCL_UNLIKELY(!c)) return HCL_NULL;
c->u.symbol.syncode = hcl_getsyncodebyoocs_noseterr(hcl, tok);
return c;
@ -137,7 +137,7 @@ hcl_cnode_t* hcl_makecnodesymbol (hcl_t* hcl, int flags, const hcl_loc_t* loc, c
hcl_cnode_t* hcl_makecnodedsymbol (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, int is_cla)
{
hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_DSYMBOL, flags, loc, tok);
hcl_cnode_t* c = hcl_makecnode(hcl, HCL_CNODE_DSYMBOL, flags, loc, tok);
if (HCL_UNLIKELY(!c)) return HCL_NULL;
c->u.dsymbol.is_cla = is_cla;
return c;
@ -145,32 +145,32 @@ hcl_cnode_t* hcl_makecnodedsymbol (hcl_t* hcl, int flags, const hcl_loc_t* loc,
hcl_cnode_t* hcl_makecnodestrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_STRLIT, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_STRLIT, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodebstrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_BSTRLIT, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_BSTRLIT, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodenumlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_NUMLIT, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_NUMLIT, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnoderadnumlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_RADNUMLIT, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_RADNUMLIT, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodefpdeclit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
{
return make_cnode(hcl, HCL_CNODE_FPDECLIT, flags, loc, tok);
return hcl_makecnode(hcl, HCL_CNODE_FPDECLIT, flags, loc, tok);
}
hcl_cnode_t* hcl_makecnodesmptrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, hcl_oow_t v)
{
hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_SMPTRLIT, flags, loc, tok);
hcl_cnode_t* c = hcl_makecnode(hcl, HCL_CNODE_SMPTRLIT, flags, loc, tok);
if (HCL_UNLIKELY(!c)) return HCL_NULL;
c->u.smptrlit.v = v;
return c;
@ -178,7 +178,7 @@ hcl_cnode_t* hcl_makecnodesmptrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc,
hcl_cnode_t* hcl_makecnodeerrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, hcl_ooi_t v)
{
hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_ERRLIT, flags, loc, tok);
hcl_cnode_t* c = hcl_makecnode(hcl, HCL_CNODE_ERRLIT, flags, loc, tok);
if (HCL_UNLIKELY(!c)) return HCL_NULL;
c->u.errlit.v = v;
return c;
@ -186,7 +186,7 @@ hcl_cnode_t* hcl_makecnodeerrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, c
hcl_cnode_t* hcl_makecnodecons (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, hcl_cnode_t* car, hcl_cnode_t* cdr)
{
hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_CONS, flags, loc, tok);
hcl_cnode_t* c = hcl_makecnode(hcl, HCL_CNODE_CONS, flags, loc, tok);
if (HCL_UNLIKELY(!c)) return HCL_NULL;
c->u.cons.car = car;
c->u.cons.cdr = cdr;
@ -195,7 +195,7 @@ hcl_cnode_t* hcl_makecnodecons (hcl_t* hcl, int flags, const hcl_loc_t* loc, con
hcl_cnode_t* hcl_makecnodeelist (hcl_t* hcl, int flags, const hcl_loc_t* loc, hcl_concode_t type)
{
hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_ELIST, flags, loc, HCL_NULL);
hcl_cnode_t* c = hcl_makecnode(hcl, HCL_CNODE_ELIST, flags, loc, HCL_NULL);
if (HCL_UNLIKELY(!c)) return HCL_NULL;
c->u.elist.concode = type;
return c;
@ -203,7 +203,7 @@ hcl_cnode_t* hcl_makecnodeelist (hcl_t* hcl, int flags, const hcl_loc_t* loc, hc
hcl_cnode_t* hcl_makecnodeshell (hcl_t* hcl, int flags, const hcl_loc_t* loc, hcl_cnode_t* obj)
{
hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_SHELL, flags, loc, HCL_NULL);
hcl_cnode_t* c = hcl_makecnode(hcl, HCL_CNODE_SHELL, flags, loc, HCL_NULL);
if (HCL_UNLIKELY(!c)) return HCL_NULL;
c->u.shell.obj = obj;
return c;

44
lib/comp.c
View File

@ -487,6 +487,12 @@ static int check_block_expression_as_body (hcl_t* hcl, hcl_cnode_t* c, const hcl
}
/* there are special words that can't start a new expression */
if (HCL_CNODE_IS_TYPED(car, HCL_CNODE_ELIF) ||
HCL_CNODE_IS_TYPED(car, HCL_CNODE_ELSE))
{
goto no_block;
}
if (HCL_CNODE_IS_SYMBOL_SYNCODED(car, HCL_SYNCODE_ELIF) ||
HCL_CNODE_IS_SYMBOL_SYNCODED(car, HCL_SYNCODE_ELSE) ||
HCL_CNODE_IS_SYMBOL_SYNCODED(car, HCL_SYNCODE_CATCH))
@ -506,6 +512,8 @@ static int check_block_expression_as_body (hcl_t* hcl, hcl_cnode_t* c, const hcl
if (for_what == FOR_IF)
{
/* after the body for `if` or `elif`, there can come `elif` or `else` */
if (HCL_CNODE_IS_TYPED(nxt, HCL_CNODE_ELIF) ||
HCL_CNODE_IS_TYPED(nxt, HCL_CNODE_ELSE)) goto ok;
if (HCL_CNODE_IS_SYMBOL(nxt))
{
int syncode = HCL_CNODE_SYMBOL_SYNCODE(nxt);
@ -2297,7 +2305,7 @@ static int compile_if (hcl_t* hcl, hcl_cnode_t* src)
hcl_cframe_t* cf;
HCL_ASSERT (hcl, HCL_CNODE_IS_CONS(src));
HCL_ASSERT (hcl, HCL_CNODE_IS_SYMBOL_SYNCODED(HCL_CNODE_CONS_CAR(src), HCL_SYNCODE_IF));
HCL_ASSERT (hcl, HCL_CNODE_IS_SYMBOL_SYNCODED(HCL_CNODE_CONS_CAR(src), HCL_SYNCODE_IF) || HCL_CNODE_IS_TYPED(HCL_CNODE_CONS_CAR(src), HCL_CNODE_IF));
/* (if (< 20 30)
* (perform this)
@ -2407,7 +2415,7 @@ static HCL_INLINE int compile_elif (hcl_t* hcl)
src = cf->operand;
HCL_ASSERT (hcl, HCL_CNODE_IS_CONS(src));
HCL_ASSERT (hcl, HCL_CNODE_IS_SYMBOL_SYNCODED(HCL_CNODE_CONS_CAR(src), HCL_SYNCODE_ELIF));
HCL_ASSERT (hcl, HCL_CNODE_IS_SYMBOL_SYNCODED(HCL_CNODE_CONS_CAR(src), HCL_SYNCODE_ELIF) || HCL_CNODE_IS_TYPED(HCL_CNODE_CONS_CAR(src), HCL_CNODE_ELIF));
cmd = HCL_CNODE_CONS_CAR(src); /* elif itself */
obj = HCL_CNODE_CONS_CDR(src);
@ -2448,7 +2456,7 @@ static HCL_INLINE int compile_else (hcl_t* hcl)
src = cf->operand;
HCL_ASSERT (hcl, HCL_CNODE_IS_CONS(src));
HCL_ASSERT (hcl, HCL_CNODE_IS_SYMBOL_SYNCODED(HCL_CNODE_CONS_CAR(src), HCL_SYNCODE_ELSE));
HCL_ASSERT (hcl, HCL_CNODE_IS_SYMBOL_SYNCODED(HCL_CNODE_CONS_CAR(src), HCL_SYNCODE_ELSE) || HCL_CNODE_IS_TYPED(HCL_CNODE_CONS_CAR(src), HCL_CNODE_ELSE));
cmd = HCL_CNODE_CONS_CAR(src); /* else itself */
obj = HCL_CNODE_CONS_CDR(src);
@ -3891,7 +3899,21 @@ static int compile_cons_xlist_expression (hcl_t* hcl, hcl_cnode_t* obj, int nret
HCL_ASSERT (hcl, HCL_CNODE_IS_CONS_CONCODED(obj, HCL_CONCODE_XLIST));
car = HCL_CNODE_CONS_CAR(obj);
if (HCL_CNODE_IS_SYMBOL(car) && (syncode = HCL_CNODE_SYMBOL_SYNCODE(car)))
if (HCL_CNODE_IS_TYPED(car, HCL_CNODE_IF))
{
if (compile_if(hcl, obj) <= -1) return -1;
}
else if (HCL_CNODE_IS_TYPED(car, HCL_CNODE_ELIF))
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ELSE, HCL_CNODE_GET_LOC(car), HCL_CNODE_GET_TOK(car), "else without if");
return -1;
}
else if (HCL_CNODE_IS_TYPED(car, HCL_CNODE_ELSE))
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ELIF, HCL_CNODE_GET_LOC(car), HCL_CNODE_GET_TOK(car), "elif without if");
return -1;
}
else if (HCL_CNODE_IS_SYMBOL(car) && (syncode = HCL_CNODE_SYMBOL_SYNCODE(car)))
{
if (nrets > 0)
{
@ -3911,7 +3933,7 @@ static int compile_cons_xlist_expression (hcl_t* hcl, hcl_cnode_t* obj, int nret
break;
case HCL_SYNCODE_CATCH:
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ELIF, HCL_CNODE_GET_LOC(car), HCL_CNODE_GET_TOK(car), "catch without try");
hcl_setsynerrbfmt (hcl, HCL_SYNERR_CATCH, HCL_CNODE_GET_LOC(car), HCL_CNODE_GET_TOK(car), "catch without try");
return -1;
case HCL_SYNCODE_CLASS:
@ -4926,7 +4948,17 @@ static int compile_object_list (hcl_t* hcl)
if (cop == COP_COMPILE_IF_OBJECT_LIST || cop == COP_COMPILE_IF_OBJECT_LIST_TAIL)
{
if (HCL_CNODE_IS_SYMBOL_SYNCODED(car, HCL_SYNCODE_ELIF))
if (HCL_CNODE_IS_TYPED(car, HCL_CNODE_ELIF))
{
SWITCH_TOP_CFRAME (hcl, COP_COMPILE_ELIF, oprnd);
goto done;
}
else if (HCL_CNODE_IS_TYPED(car, HCL_CNODE_ELSE))
{
SWITCH_TOP_CFRAME (hcl, COP_COMPILE_ELSE, oprnd);
goto done;
}
else if (HCL_CNODE_IS_SYMBOL_SYNCODED(car, HCL_SYNCODE_ELIF))
{
SWITCH_TOP_CFRAME (hcl, COP_COMPILE_ELIF, oprnd);
goto done;

1
lib/err.c
View File

@ -157,6 +157,7 @@ static char* synerrstr[] =
"elif without if",
"else without if",
"catch without try",
"break outside loop",
"invalid callable",

13
lib/hcl-prv.h
View File

@ -294,12 +294,17 @@ enum hcl_tok_type_t
HCL_TOK_FPDECLIT,
HCL_TOK_SMPTRLIT,
HCL_TOK_ERRLIT,
HCL_TOK_NIL,
HCL_TOK_TRUE,
HCL_TOK_FALSE,
HCL_TOK_SELF,
HCL_TOK_SUPER,
HCL_TOK_IF,
HCL_TOK_ELIF,
HCL_TOK_ELSE,
HCL_TOK_BINOP,
HCL_TOK_IDENT,
HCL_TOK_IDENT_DOTTED,
@ -374,11 +379,16 @@ enum hcl_cnode_type_t
HCL_CNODE_FPDECLIT,
HCL_CNODE_SMPTRLIT,
HCL_CNODE_ERRLIT,
HCL_CNODE_NIL,
HCL_CNODE_TRUE,
HCL_CNODE_FALSE,
HCL_CNODE_SELF,
HCL_CNODE_SUPER,
HCL_CNODE_IF,
HCL_CNODE_ELIF,
HCL_CNODE_ELSE,
HCL_CNODE_ELLIPSIS,
HCL_CNODE_TRPCOLONS,
HCL_CNODE_DBLCOLONS, /* :: */
@ -406,6 +416,8 @@ typedef enum hcl_cnode_flag_t hcl_cnode_flag_t;
#define HCL_CNODE_GET_TOKPTR(x) ((x)->cn_tok.ptr)
#define HCL_CNODE_GET_TOKLEN(x) ((x)->cn_tok.len)
#define HCL_CNODE_IS_TYPED(x, _type) ((x)->cn_type == _type)
#define HCL_CNODE_IS_ELLIPSIS(x) ((x)->cn_type == HCL_CNODE_ELLIPSIS)
#define HCL_CNODE_IS_TRPCOLONS(x) ((x)->cn_type == HCL_CNODE_TRPCOLONS)
#define HCL_CNODE_IS_DBLCOLONS(x) ((x)->cn_type == HCL_CNODE_DBLCOLONS)
@ -1953,6 +1965,7 @@ int hcl_copy_string_to (
/* ========================================================================= */
/* cnode.c */
/* ========================================================================= */
hcl_cnode_t* hcl_makecnode (hcl_t* hcl, hcl_cnode_type_t type, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok);
hcl_cnode_t* hcl_makecnodenil (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok);
hcl_cnode_t* hcl_makecnodetrue (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok);
hcl_cnode_t* hcl_makecnodefalse (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok);

1
lib/hcl.h
View File

@ -161,6 +161,7 @@ enum hcl_synerrnum_t
HCL_SYNERR_ELIF, /* elif without if */
HCL_SYNERR_ELSE, /* else without if */
HCL_SYNERR_CATCH, /* catch outside try */
HCL_SYNERR_BREAK, /* break outside loop */
HCL_SYNERR_CALLABLE, /* invalid callable */

49
lib/read.c
View File

@ -58,6 +58,10 @@ static struct voca_t
{ 4, { 's','e','l','f' } },
{ 5, { 's','u','p','e','r' } },
{ 2, { 'i','f' } },
{ 4, { 'e','l','i','f' } },
{ 4, { 'e','l','s','e' } },
{ 3, { 's','e','t' } },
{ 5, { 's','e','t','-','r' } },
@ -100,6 +104,10 @@ enum voca_id_t
VOCA_KW_SELF,
VOCA_KW_SUPER,
VOCA_KW_IF,
VOCA_KW_ELIF,
VOCA_KW_ELSE,
VOCA_SYM_SET,
VOCA_SYM_SET_R,
@ -407,7 +415,11 @@ static hcl_tok_type_t classify_ident_token (hcl_t* hcl, const hcl_oocs_t* v)
{ VOCA_KW_TRUE, HCL_TOK_TRUE },
{ VOCA_KW_FALSE, HCL_TOK_FALSE },
{ VOCA_KW_SELF, HCL_TOK_SELF },
{ VOCA_KW_SUPER, HCL_TOK_SUPER }
{ VOCA_KW_SUPER, HCL_TOK_SUPER },
{ VOCA_KW_IF, HCL_TOK_IF },
{ VOCA_KW_ELIF, HCL_TOK_ELIF },
{ VOCA_KW_ELSE, HCL_TOK_ELSE }
};
for (i = 0; i < HCL_COUNTOF(tab); i++)
@ -1215,6 +1227,23 @@ static int auto_forge_xlist_if_at_block_beginning (hcl_t* hcl, hcl_frd_t* frd)
return 0;
}
static hcl_cnode_type_t kw_to_cnode_type (int tok_type)
{
static hcl_cnode_type_t mapping[] = {
HCL_CNODE_NIL,
HCL_CNODE_TRUE,
HCL_CNODE_FALSE,
HCL_CNODE_SELF,
HCL_CNODE_SUPER,
HCL_CNODE_IF,
HCL_CNODE_ELIF,
HCL_CNODE_ELSE,
};
return mapping[tok_type - HCL_TOK_NIL];
}
static int feed_process_token (hcl_t* hcl)
{
hcl_frd_t* frd = &hcl->c->feed.rd;
@ -1612,24 +1641,16 @@ static int feed_process_token (hcl_t* hcl)
}
case HCL_TOK_NIL:
frd->obj = hcl_makecnodenil(hcl, 0, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto auto_xlist;
case HCL_TOK_TRUE:
frd->obj = hcl_makecnodetrue(hcl, 0, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto auto_xlist;
case HCL_TOK_FALSE:
frd->obj = hcl_makecnodefalse(hcl, 0, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto auto_xlist;
case HCL_TOK_SELF:
frd->obj = hcl_makecnodeself(hcl, 0, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
case HCL_TOK_SUPER:
case HCL_TOK_IF:
case HCL_TOK_ELIF:
case HCL_TOK_ELSE:
frd->obj = hcl_makecnode(hcl, kw_to_cnode_type(TOKEN_TYPE(hcl)), 0, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto auto_xlist;
case HCL_TOK_SUPER:
frd->obj = hcl_makecnodesuper(hcl, 0, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto auto_xlist;
case HCL_TOK_ELLIPSIS:
frd->obj = hcl_makecnodeellipsis(hcl, 0, TOKEN_LOC(hcl), TOKEN_NAME(hcl));

156
mod/core.c
View File

@ -61,9 +61,56 @@ static hcl_pfrc_t pf_core_basic_new (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs
return HCL_PF_SUCCESS;
}
static hcl_oop_t unchecked_basic_at (hcl_t* hcl, hcl_oop_t obj, hcl_oow_t index)
static hcl_pfrc_t __basic_at (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs, int span_fixed)
{
hcl_oop_t val;
hcl_oop_t obj, val;
hcl_oop_t pos;
hcl_oow_t index;
hcl_oop_class_t _class;
obj = HCL_STACK_GETARG(hcl, nargs, 0);
pos = HCL_STACK_GETARG(hcl, nargs, 1);
if (!HCL_OOP_IS_POINTER(obj) || !HCL_OBJ_GET_FLAGS_FLEXI(obj))
{
unindexable:
/* the receiver is a special numeric object or a non-indexable object */
hcl_seterrbfmt (hcl, HCL_EINVAL, "receiver not indexable - %O", obj);
return HCL_PF_FAILURE;
}
if (hcl_inttooow_noseterr(hcl, pos, &index) <= 0)
{
/* negative integer or not integer */
hcl_seterrbfmt (hcl, HCL_EINVAL, "position not valid - %O", pos);
return HCL_PF_FAILURE;
}
_class = (hcl_oop_class_t)HCL_CLASSOF(hcl, obj);
if (span_fixed)
{
hcl_oow_t size;
size = HCL_OBJ_GET_SIZE(obj);
if (index >= size)
{
hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)size);
return HCL_PF_FAILURE;
}
}
else
{
hcl_oow_t fixed, flexi;
fixed = HCL_CLASS_SPEC_NAMED_INSTVARS(_class->spec);
flexi = HCL_OBJ_GET_SIZE(obj) - fixed;
if (index >= flexi)
{
hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)flexi);
return HCL_PF_FAILURE;
}
index += fixed;
}
switch (HCL_OBJ_GET_FLAGS_TYPE(obj))
{
@ -89,74 +136,39 @@ static hcl_oop_t unchecked_basic_at (hcl_t* hcl, hcl_oop_t obj, hcl_oow_t index)
case HCL_OBJ_TYPE_HALFWORD:
val = hcl_oowtoint(hcl, HCL_OBJ_GET_HALFWORD_VAL(obj, index));
if (HCL_UNLIKELY(!val)) return HCL_NULL;
if (HCL_UNLIKELY(!val)) return HCL_PF_FAILURE;
break;
case HCL_OBJ_TYPE_WORD:
val = hcl_oowtoint(hcl, HCL_OBJ_GET_WORD_VAL(obj, index));
if (HCL_UNLIKELY(!val)) return HCL_NULL;
if (HCL_UNLIKELY(!val)) return HCL_PF_FAILURE;
break;
default:
hcl_seterrbfmt (hcl, HCL_EINVAL, "receiver not indexable - %O", obj);
val = HCL_NULL;
break;
goto unindexable;
}
return val;
}
static hcl_pfrc_t pf_core_basic_at (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
{
hcl_oop_t obj, val;
hcl_oop_t pos;
hcl_oow_t index;
hcl_oop_class_t _class;
hcl_oow_t fixed, flexi;
obj = HCL_STACK_GETARG(hcl, nargs, 0);
pos = HCL_STACK_GETARG(hcl, nargs, 1);
if (!HCL_OOP_IS_POINTER(obj) || !HCL_OBJ_GET_FLAGS_FLEXI(obj))
{
unindexable:
/* the receiver is a special numeric object or a non-indexable object */
hcl_seterrbfmt (hcl, HCL_EINVAL, "receiver not indexable - %O", obj);
return HCL_PF_FAILURE;
}
if (hcl_inttooow_noseterr(hcl, pos, &index) <= 0)
{
/* negative integer or not integer */
hcl_seterrbfmt (hcl, HCL_EINVAL, "position not valid - %O", pos);
return HCL_PF_FAILURE;
}
_class = (hcl_oop_class_t)HCL_CLASSOF(hcl, obj);
fixed = HCL_CLASS_SPEC_NAMED_INSTVARS(_class->spec);
flexi = HCL_OBJ_GET_SIZE(obj) - fixed;
if (index >= flexi)
{
hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)HCL_OBJ_GET_SIZE(obj));
return HCL_PF_FAILURE;
}
index += fixed;
val = unchecked_basic_at(hcl, obj, index);
if (HCL_UNLIKELY(!val)) return HCL_PF_FAILURE;
HCL_STACK_SETRET (hcl, nargs, val);
return HCL_PF_SUCCESS;
}
static hcl_pfrc_t pf_core_basic_at_put (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
static hcl_pfrc_t pf_core_basic_at (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
{
return __basic_at(hcl, mod, nargs, 0);
}
static hcl_pfrc_t pf_core_prim_at (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
{
return __basic_at(hcl, mod, nargs, 1);
}
static hcl_pfrc_t __basic_at_put (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs, int span_fixed)
{
hcl_oop_t obj, val;
hcl_oop_t pos;
hcl_oow_t index;
hcl_oop_class_t _class;
hcl_oow_t fixed, flexi;
obj = HCL_STACK_GETARG(hcl, nargs, 0);
pos = HCL_STACK_GETARG(hcl, nargs, 1);
@ -177,18 +189,28 @@ static hcl_pfrc_t pf_core_basic_at_put (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t na
}
_class = (hcl_oop_class_t)HCL_CLASSOF(hcl, obj);
fixed = HCL_CLASS_SPEC_NAMED_INSTVARS(_class->spec);
flexi = HCL_OBJ_GET_SIZE(obj) - fixed;
if (index >= flexi)
if (span_fixed)
{
hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)HCL_OBJ_GET_SIZE(obj));
return HCL_PF_FAILURE;
hcl_oow_t size;
size = HCL_OBJ_GET_SIZE(obj);
if (index >= size)
{
hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)size);
return HCL_PF_FAILURE;
}
}
index += fixed;
if (index >= HCL_OBJ_GET_SIZE(obj))
else
{
hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)HCL_OBJ_GET_SIZE(obj));
return HCL_PF_FAILURE;
hcl_oow_t fixed, flexi;
fixed = HCL_CLASS_SPEC_NAMED_INSTVARS(_class->spec);
flexi = HCL_OBJ_GET_SIZE(obj) - fixed;
if (index >= flexi)
{
hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)HCL_OBJ_GET_SIZE(obj));
return HCL_PF_FAILURE;
}
index += fixed;
}
switch (HCL_OBJ_GET_FLAGS_TYPE(obj))
@ -241,13 +263,23 @@ static hcl_pfrc_t pf_core_basic_at_put (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t na
default:
goto unindexable;
break;
}
HCL_STACK_SETRET (hcl, nargs, val);
return HCL_PF_SUCCESS;
}
static hcl_pfrc_t pf_core_basic_at_put (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
{
return __basic_at_put(hcl, mod, nargs, 0);
}
static hcl_pfrc_t pf_core_prim_at_put (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
{
return __basic_at_put(hcl, mod, nargs, 1);
}
static hcl_pfrc_t pf_core_basic_size (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
{
hcl_oop_oop_t src;
@ -417,6 +449,8 @@ static hcl_pfinfo_t pfinfos[] =
{ "className", { HCL_PFBASE_FUNC, pf_core_class_name, 1, 1 } },
{ "classRespondsTo", { HCL_PFBASE_FUNC, pf_core_class_responds_to, 2, 2 } },
{ "instRespondsTo", { HCL_PFBASE_FUNC, pf_core_inst_responds_to, 2, 2 } },
{ "primAt", { HCL_PFBASE_FUNC, pf_core_prim_at, 2, 2 } },
{ "primAtPut", { HCL_PFBASE_FUNC, pf_core_prim_at_put, 3, 3 } },
{ "slice", { HCL_PFBASE_FUNC, pf_core_slice, 3, 3 } }
};

14
src/kernel.hcl
View File

@ -11,6 +11,14 @@ class Apex {
return (core.instRespondsTo self mth)
}
fun primAt(pos) {
return (core.primAt self pos)
}
fun primtAtPut(pos value) {
return (core.primAtPut self pos value)
}
fun basicAt(pos) {
return (core.basicAt self pos)
}
@ -158,15 +166,15 @@ printf "----------------------------------------\n"
k := #[1 2 3]
printf "%O\n" (k:basicAt 2)
class X :: Object [ a b c ] {
class Z :: Object [ a b c ] {
fun :* new() {
self.a := 10
self.b := 20
self.c := 30
}
}
##k := (X:basicNew 0)
k := (X:new)
##k := (Z:basicNew 0)
k := (Z:new)
printf "%O\n" (k:basicAt 2)

4
t/call-5001.err
View File

@ -27,11 +27,11 @@ if (< 2 3) {} elif true else ##ERROR: syntax error - block expression expected
---
if else ##ERROR: syntax error - special symbol not to be used as variable name
if else ##ERROR: syntax error - prohibited in this context - else
---
if elif else ##ERROR: syntax error - special symbol not to be used as variable name
if elif else ##ERROR: syntax error - prohibited in this context - elif
---