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started adding an new experimental reader

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hyung-hwan 2018-07-29 07:27:10 +00:00
parent 1b59610444
commit 8c4b56002d
1 changed files with 89 additions and 4 deletions
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91
lib/read.c
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@ -1023,6 +1023,7 @@ retry:
CLEAR_TOKEN_NAME (hcl);
ADD_TOKEN_STR(hcl, vocas[VOCA_EOL].str, vocas[VOCA_EOL].len);
hcl->c->tok.loc = hcl->c->lxc.l; /* set token location */
goto done;
}
GET_CHAR (hcl);
}
@ -1282,6 +1283,7 @@ retry:
break;
}
done:
#if defined(HCL_DEBUG_LEXER)
HCL_DEBUG2 (hcl, "TOKEN: [%.*js]\n", (hcl_ooi_t)TOKEN_NAME_LEN(hcl), TOKEN_NAME_PTR(hcl));
#endif
@ -1608,7 +1610,7 @@ static HCL_INLINE int can_colon_list (hcl_t* hcl)
HCL_ASSERT (hcl, !HCL_IS_NIL(hcl,hcl->c->r.s));
/* mark the state that a dot has appeared in the list */
/* mark the state that a colon has appeared in the list */
rsa = (hcl_oop_oop_t)hcl->c->r.s;
HCL_ASSERT (hcl, HCL_OOP_IS_SMOOI(rsa->slot[2]));
flagv = HCL_OOP_TO_SMOOI(rsa->slot[2]);
@ -1625,7 +1627,7 @@ static HCL_INLINE int can_colon_list (hcl_t* hcl)
count = HCL_OOP_TO_SMOOI(rsa->slot[4]);
if (!(count & 1)) return 0;
flagv |= COMMAED;
flagv |= COLONED;
rsa->slot[2] = HCL_SMOOI_TO_OOP(flagv);
return 1;
}
@ -2185,6 +2187,89 @@ static int read_object (hcl_t* hcl)
return 0;
}
static int read_object_in_cli_mode (hcl_t* hcl)
{
int level = 0, array_level = 0, flagv = 0;
hcl_oop_t obj;
flagv = 0;
LIST_FLAG_SET_CONCODE (flagv, HCL_CONCODE_XLIST);
/* push some data to simulate recursion into
* a list literal or an array literal */
if (enter_list(hcl, flagv) == HCL_NULL) return -1;
level++;
//if (LIST_FLAG_GET_CONCODE(flagv) == HCL_CONCODE_ARRAY) array_level++;
while (1)
{
redo:
switch (TOKEN_TYPE(hcl))
{
default:
hcl_setsynerr (hcl, HCL_SYNERR_ILTOK, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
return -1;
case HCL_IOTOK_EOF:
hcl_setsynerr (hcl, HCL_SYNERR_EOF, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
return -1;
case HCL_IOTOK_INCLUDE:
/* TODO: should i limit where #include can be specified?
* disallow it inside a list literal or an array literal? */
GET_TOKEN (hcl);
if (TOKEN_TYPE(hcl) != HCL_IOTOK_STRLIT)
{
hcl_setsynerr (hcl, HCL_SYNERR_STRING, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
return -1;
}
if (begin_include(hcl) <= -1) return -1;
goto redo;
case HCL_IOTOK_EOL:
{
int oldflagv;
//int concode;
if (level <= 0)
{
hcl_setsynerr (hcl, HCL_SYNERR_UNBALPBB, TOKEN_LOC(hcl), HCL_NULL);
return -1;
}
//concode = LIST_FLAG_GET_CONCODE(flagv);
obj = leave_list (hcl, &flagv, &oldflagv);
level--;
//if (LIST_FLAG_GET_CONCODE(oldflagv) == HCL_CONCODE_ARRAY) array_level--;
goto done;
}
case HCL_IOTOK_STRLIT:
case HCL_IOTOK_IDENT:
obj = hcl_makestring(hcl, TOKEN_NAME_PTR(hcl), TOKEN_NAME_LEN(hcl), 0);
break;
}
if (!obj) return -1;
/* check if we are at the top level */
//if (level <= 0) break; /* yes */
/* if not, append the element read into the current list.
* if we are not at the top level, we must be in a list */
//if (chain_to_list(hcl, obj) == HCL_NULL) return -1;
clear_comma_colon_flag (hcl);
/* read the next token */
GET_TOKEN (hcl);
}
done:
hcl->c->r.e = obj;
return 0;
}
static HCL_INLINE int __read (hcl_t* hcl)
{
if (get_token(hcl) <= -1) return -1;
@ -2193,7 +2278,7 @@ static HCL_INLINE int __read (hcl_t* hcl)
hcl_seterrnum (hcl, HCL_EFINIS);
return -1;
}
return read_object (hcl);
return (hcl->option.trait & HCL_CLI_MODE)? read_object_in_cli_mode(hcl): read_object(hcl);
}
hcl_oop_t hcl_read (hcl_t* hcl)