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coding include file handling in the feed-based reader

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This commit is contained in:
hyung-hwan 2022-07-28 14:07:18 +00:00
parent aab704ac4b
commit 2543b0d634
4 changed files with 466 additions and 340 deletions
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8
bin/main.c
View File

@ -126,7 +126,7 @@ static HCL_INLINE int open_input (hcl_t* hcl, hcl_ioinarg_t* arg)
#if defined(HCL_OOCH_IS_UCH) #if defined(HCL_OOCH_IS_UCH)
if (hcl_convootobcstr(hcl, arg->name, &ucslen, HCL_NULL, &bcslen) <= -1) goto oops; if (hcl_convootobcstr(hcl, arg->name, &ucslen, HCL_NULL, &bcslen) <= -1) goto oops;
#else #else
bcslen = hcl_count_bcstr (arg->name); bcslen = hcl_count_bcstr(arg->name);
#endif #endif
fn = ((bb_t*)arg->includer->handle)->fn; fn = ((bb_t*)arg->includer->handle)->fn;
@ -134,7 +134,7 @@ static HCL_INLINE int open_input (hcl_t* hcl, hcl_ioinarg_t* arg)
fb = get_base_name(fn); fb = get_base_name(fn);
parlen = fb - fn; parlen = fb - fn;
bb = (bb_t*)hcl_callocmem (hcl, HCL_SIZEOF(*bb) + (HCL_SIZEOF(hcl_bch_t) * (parlen + bcslen + 1))); bb = (bb_t*)hcl_callocmem(hcl, HCL_SIZEOF(*bb) + (HCL_SIZEOF(hcl_bch_t) * (parlen + bcslen + 1)));
if (!bb) goto oops; if (!bb) goto oops;
bb->fn = (hcl_bch_t*)(bb + 1); bb->fn = (hcl_bch_t*)(bb + 1);
@ -825,7 +825,7 @@ static int feed_loop (hcl_t* hcl, xtn_t* xtn, int cflags, int verbose)
while (1) while (1)
{ {
hcl_oow_t n; hcl_ooi_t n;
/*n = fread(&buf[len], 1, HCL_COUNTOF(buf) - len, fp);*/ /*n = fread(&buf[len], 1, HCL_COUNTOF(buf) - len, fp);*/
n = read(fileno(fp), &buf[len], HCL_COUNTOF(buf) - len); n = read(fileno(fp), &buf[len], HCL_COUNTOF(buf) - len);
@ -868,7 +868,7 @@ static int feed_loop (hcl_t* hcl, xtn_t* xtn, int cflags, int verbose)
} }
break; break;
} }
if (ferror(fp)) if (n <= -1 || ferror(fp))
{ {
hcl_logbfmt (hcl, HCL_LOG_STDERR, "ERROR: unable to read %hs - %hs\n", xtn->read_path, strerror(errno)); hcl_logbfmt (hcl, HCL_LOG_STDERR, "ERROR: unable to read %hs - %hs\n", xtn->read_path, strerror(errno));
goto oops; goto oops;

1
lib/hcl-prv.h
View File

@ -632,6 +632,7 @@ struct hcl_frd_t
int level; int level;
int array_level; int array_level;
int flagv; int flagv;
int expect_include_file;
hcl_cnode_t* obj; hcl_cnode_t* obj;
}; };

3
lib/hcl.h
View File

@ -1257,7 +1257,8 @@ struct hcl_ioinarg_t
{ {
hcl_oow_t pos; hcl_oow_t pos;
hcl_oow_t len; hcl_oow_t len;
int state; /* <<B.STATE>>
int state;*/
} b; } b;
hcl_oow_t line; hcl_oow_t line;

794
lib/read.c
View File

@ -461,6 +461,7 @@ static int get_char (hcl_t* hcl)
return 0; return 0;
} }
/* <<B.STATE>> -> probably not needed any more?
if (hcl->c->curinp->b.state == -1) if (hcl->c->curinp->b.state == -1)
{ {
hcl->c->curinp->b.state = 0; hcl->c->curinp->b.state = 0;
@ -471,6 +472,7 @@ static int get_char (hcl_t* hcl)
hcl->c->curinp->b.state = 0; hcl->c->curinp->b.state = 0;
goto return_eof; goto return_eof;
} }
*/
if (hcl->c->curinp->b.pos >= hcl->c->curinp->b.len) if (hcl->c->curinp->b.pos >= hcl->c->curinp->b.len)
{ {
@ -478,7 +480,9 @@ static int get_char (hcl_t* hcl)
if (hcl->c->curinp->xlen <= 0) if (hcl->c->curinp->xlen <= 0)
{ {
/* <<B.STATE>>
return_eof: return_eof:
*/
hcl->c->curinp->lxc.c = HCL_OOCI_EOF; hcl->c->curinp->lxc.c = HCL_OOCI_EOF;
hcl->c->curinp->lxc.l.line = hcl->c->curinp->line; hcl->c->curinp->lxc.l.line = hcl->c->curinp->line;
hcl->c->curinp->lxc.l.colm = hcl->c->curinp->colm; hcl->c->curinp->lxc.l.colm = hcl->c->curinp->colm;
@ -2277,377 +2281,437 @@ static void fst_pop (hcl_t* hcl)
hcl->c->feed.top--; hcl->c->feed.top--;
} }
static int feed_begin_include (hcl_t* hcl)
{
hcl_ioinarg_t* arg;
const hcl_ooch_t* io_name;
io_name = add_io_name(hcl, TOKEN_NAME(hcl));
if (HCL_UNLIKELY(!io_name)) return -1;
arg = (hcl_ioinarg_t*)hcl_callocmem(hcl, HCL_SIZEOF(*arg));
if (HCL_UNLIKELY(!arg)) goto oops;
arg->name = io_name;
arg->line = 1;
arg->colm = 1;
/*arg->nl = '\0';*/
arg->includer = hcl->c->curinp;
if (hcl->c->reader(hcl, HCL_IO_OPEN, arg) <= -1)
{
hcl_setsynerrbfmt (hcl, HCL_SYNERR_INCLUDE, TOKEN_LOC(hcl), TOKEN_NAME(hcl), "unable to include %js", io_name);
goto oops;
}
/* switch to the includee's stream */
hcl->c->curinp = arg;
/* hcl->c->depth.incl++; */
return 0;
oops:
if (arg) hcl_freemem (hcl, arg);
return -1;
}
static int feed_end_include (hcl_t* hcl)
{
int x;
hcl_ioinarg_t* cur;
if (hcl->c->curinp == &hcl->c->inarg) return 0; /* no include */
/* if it is an included file, close it and
* retry to read a character from an outer file */
x = hcl->c->reader(hcl, HCL_IO_CLOSE, hcl->c->curinp);
/* if closing has failed, still destroy the
* sio structure first as normal and return
* the failure below. this way, the caller
* does not call HCL_IO_CLOSE on
* hcl->c->curinp again. */
cur = hcl->c->curinp;
hcl->c->curinp = hcl->c->curinp->includer;
HCL_ASSERT (hcl, cur->name != HCL_NULL);
hcl_freemem (hcl, cur);
/* hcl->parse.depth.incl--; */
if (x != 0)
{
/* the failure mentioned above is returned here */
return -1;
}
hcl->c->lxc = hcl->c->curinp->lxc;
return 1; /* ended the included file successfully */
}
static int feed_process_token (hcl_t* hcl) static int feed_process_token (hcl_t* hcl)
{ {
hcl_frd_t* frd = &hcl->c->feed.rd; hcl_frd_t* frd = &hcl->c->feed.rd;
HCL_DEBUG6 (hcl, "TOKEN LEN %zu=>[%.*js] %d LOC=%d,%d\n", TOKEN_NAME_LEN(hcl), TOKEN_NAME_LEN(hcl), TOKEN_NAME_PTR(hcl), TOKEN_TYPE(hcl), (int)TOKEN_LOC(hcl)->line, (int)TOKEN_LOC(hcl)->colm); /* this function composes an s-expression non-recursively
#if 0
/* this function read an s-expression non-recursively
* by manipulating its own stack. */ * by manipulating its own stack. */
int level = 0, array_level = 0, flagv = 0; /*hcl_logbfmt (hcl, HCL_LOG_STDERR, "TOKEN => [%.*js] type=%d\n", TOKEN_NAME_LEN(hcl), TOKEN_NAME_PTR(hcl), TOKEN_TYPE(hcl));*/
hcl_cnode_t* obj = HCL_NULL; if (frd->expect_include_file)
#endif
/*
while (1)
{ {
redo: if (TOKEN_TYPE(hcl) != HCL_IOTOK_STRLIT)
*/
switch (TOKEN_TYPE(hcl))
{ {
default: hcl_setsynerr (hcl, HCL_SYNERR_STRING, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
hcl_setsynerr (hcl, HCL_SYNERR_ILTOK, TOKEN_LOC(hcl), TOKEN_NAME(hcl)); goto oops;
goto oops; }
case HCL_IOTOK_EOF: frd->expect_include_file = 0;
hcl_setsynerr (hcl, HCL_SYNERR_EOF, TOKEN_LOC(hcl), TOKEN_NAME(hcl)); if (feed_begin_include(hcl) <= -1) goto oops;
goto oops; goto ok;
}
#if 0 switch (TOKEN_TYPE(hcl))
/* this one is special?? */ {
case HCL_IOTOK_INCLUDE: default:
/* TODO: should i limit where #include can be specified? hcl_setsynerr (hcl, HCL_SYNERR_ILTOK, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
* disallow it inside a list literal or an array literal? */ goto oops;
GET_TOKEN_WITH_GOTO (hcl, oops);
if (TOKEN_TYPE(hcl) != HCL_IOTOK_STRLIT)
{
hcl_setsynerr (hcl, HCL_SYNERR_STRING, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto oops;
}
if (begin_include(hcl) <= -1) goto oops;
goto redo;
#endif
case HCL_IOTOK_LBRACK: /* [] */ case HCL_IOTOK_EOF:
frd->flagv = 0; /* TODO: change the code. not an error? */
LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_ARRAY); hcl_setsynerr (hcl, HCL_SYNERR_EOF, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto start_list; goto oops;
case HCL_IOTOK_BAPAREN: /* #[ */ case HCL_IOTOK_INCLUDE:
frd->flagv = 0; /* TODO: should i limit where #include can be specified?
LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_BYTEARRAY); * disallow it inside a list literal or an array literal? */
goto start_list; frd->expect_include_file = 1;
goto ok;
case HCL_IOTOK_LBRACE: /* { */ case HCL_IOTOK_LBRACK: /* [] */
frd->flagv = 0; frd->flagv = 0;
LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_DIC); LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_ARRAY);
goto start_list; goto start_list;
case HCL_IOTOK_QLPAREN: /* #( */ case HCL_IOTOK_BAPAREN: /* #[ */
frd->flagv = 0; frd->flagv = 0;
LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_QLIST); LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_BYTEARRAY);
goto start_list; goto start_list;
case HCL_IOTOK_LPARCOLON: /* (: */ case HCL_IOTOK_LBRACE: /* { */
frd->flagv = 0; frd->flagv = 0;
LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_MLIST); LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_DIC);
goto start_list; goto start_list;
case HCL_IOTOK_LPAREN: /* ( */
frd->flagv = 0;
LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_XLIST);
start_list:
if (frd->level >= HCL_TYPE_MAX(int))
{
/* the nesting frd->level has become too deep */
hcl_setsynerr (hcl, HCL_SYNERR_NESTING, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto oops;
}
/* push some data to simulate recursion into case HCL_IOTOK_QLPAREN: /* #( */
* a list literal or an array literal */ frd->flagv = 0;
if (enter_list(hcl, TOKEN_LOC(hcl), frd->flagv) <= -1) goto oops; LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_QLIST);
frd->level++; goto start_list;
if (LIST_FLAG_GET_CONCODE(frd->flagv) == HCL_CONCODE_ARRAY) frd->array_level++;
/* read the next token */ case HCL_IOTOK_LPARCOLON: /* (: */
// GET_TOKEN_WITH_GOTO (hcl, oops); frd->flagv = 0;
goto redo; LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_MLIST);
goto start_list;
case HCL_IOTOK_DOT:
if (frd->level <= 0 || !can_dot_list(hcl)) case HCL_IOTOK_LPAREN: /* ( */
{ frd->flagv = 0;
/* cannot have a period: LIST_FLAG_SET_CONCODE (frd->flagv, HCL_CONCODE_XLIST);
* 1. at the top frd->level - not inside () start_list:
* 2. at the beginning of a list if (frd->level >= HCL_TYPE_MAX(int))
* 3. inside an array, byte-array, dictionary, xlist */
hcl_setsynerr (hcl, HCL_SYNERR_DOTBANNED, TOKEN_LOC(hcl), HCL_NULL);
goto oops;
}
// GET_TOKEN_WITH_GOTO (hcl, oops);
goto redo;
case HCL_IOTOK_COLON:
if (frd->level <= 0 || !can_colon_list(hcl))
{
hcl_setsynerr (hcl, HCL_SYNERR_COLONBANNED, TOKEN_LOC(hcl), HCL_NULL);
goto oops;
}
// GET_TOKEN_WITH_GOTO (hcl, oops);
goto redo;
case HCL_IOTOK_COMMA:
if (frd->level <= 0 || !can_comma_list(hcl))
{
hcl_setsynerr (hcl, HCL_SYNERR_COMMABANNED, TOKEN_LOC(hcl), HCL_NULL);
goto oops;
}
// GET_TOKEN_WITH_GOTO (hcl, oops);
goto redo;
case HCL_IOTOK_RPAREN: /* xlist (), qlist #() */
case HCL_IOTOK_RBRACK: /* bytearray #[], array[] */
case HCL_IOTOK_RBRACE: /* dictionary {} */
{ {
static struct /* the nesting frd->level has become too deep */
{ hcl_setsynerr (hcl, HCL_SYNERR_NESTING, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
int closer; goto oops;
hcl_synerrnum_t synerr;
} req[] =
{
{ HCL_IOTOK_RPAREN, HCL_SYNERR_RPAREN }, /* XLIST ( ) */
{ HCL_IOTOK_RPAREN, HCL_SYNERR_RPAREN }, /* MLIST (: ) */
{ HCL_IOTOK_RBRACK, HCL_SYNERR_RBRACK }, /* ARRAY [ ] */
{ HCL_IOTOK_RBRACK, HCL_SYNERR_RBRACK }, /* BYTEARRAY #[ ] */
{ HCL_IOTOK_RBRACE, HCL_SYNERR_RBRACE }, /* DIC { } */
{ HCL_IOTOK_RPAREN, HCL_SYNERR_RPAREN } /* QLIST #( ) */
};
int oldflagv;
int concode;
if (frd->level <= 0)
{
hcl_setsynerr (hcl, HCL_SYNERR_UNBALPBB, TOKEN_LOC(hcl), HCL_NULL);
goto oops;
}
concode = LIST_FLAG_GET_CONCODE(frd->flagv);
if (req[concode].closer != TOKEN_TYPE(hcl))
{
hcl_setsynerr (hcl, req[concode].synerr, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto oops;
}
#if 0
if ((flagv & QUOTED) || frd->level <= 0)
{
/* the right parenthesis can never appear while
* 'quoted' is true. 'quoted' is set to false when
* entering a normal list. 'quoted' is set to true
* when entering a quoted list. a quoted list does
* not have an explicit right parenthesis.
* so the right parenthesis can only pair up with
* the left parenthesis for the normal list.
*
* For example, '(1 2 3 ') 5 6)
*
* this condition is triggerred when the first ) is
* met after the second quote.
*
* also it is illegal to have the right parenthesis
* with no opening(left) parenthesis, which is
* indicated by frd->level<=0.
*/
hcl_setsynerr (hcl, HCL_SYNERR_LPAREN, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto oops;
}
#endif
frd->obj =leave_list(hcl, &frd->flagv, &oldflagv);
frd->level--;
if (LIST_FLAG_GET_CONCODE(oldflagv) == HCL_CONCODE_ARRAY) frd->array_level--;
break;
} }
case HCL_IOTOK_VBAR: /* push some data to simulate recursion into
* a list literal or an array literal */
if (enter_list(hcl, TOKEN_LOC(hcl), frd->flagv) <= -1) goto oops;
frd->level++;
if (LIST_FLAG_GET_CONCODE(frd->flagv) == HCL_CONCODE_ARRAY) frd->array_level++;
/* read the next token */
goto ok;
case HCL_IOTOK_DOT:
if (frd->level <= 0 || !can_dot_list(hcl))
{
/* cannot have a period:
* 1. at the top frd->level - not inside ()
* 2. at the beginning of a list
* 3. inside an array, byte-array, dictionary, xlist */
hcl_setsynerr (hcl, HCL_SYNERR_DOTBANNED, TOKEN_LOC(hcl), HCL_NULL);
goto oops;
}
goto ok;
case HCL_IOTOK_COLON:
if (frd->level <= 0 || !can_colon_list(hcl))
{
hcl_setsynerr (hcl, HCL_SYNERR_COLONBANNED, TOKEN_LOC(hcl), HCL_NULL);
goto oops;
}
goto ok;
case HCL_IOTOK_COMMA:
if (frd->level <= 0 || !can_comma_list(hcl))
{
hcl_setsynerr (hcl, HCL_SYNERR_COMMABANNED, TOKEN_LOC(hcl), HCL_NULL);
goto oops;
}
goto ok;
case HCL_IOTOK_RPAREN: /* xlist (), qlist #() */
case HCL_IOTOK_RBRACK: /* bytearray #[], array[] */
case HCL_IOTOK_RBRACE: /* dictionary {} */
{
static struct
{
int closer;
hcl_synerrnum_t synerr;
} req[] =
{
{ HCL_IOTOK_RPAREN, HCL_SYNERR_RPAREN }, /* XLIST ( ) */
{ HCL_IOTOK_RPAREN, HCL_SYNERR_RPAREN }, /* MLIST (: ) */
{ HCL_IOTOK_RBRACK, HCL_SYNERR_RBRACK }, /* ARRAY [ ] */
{ HCL_IOTOK_RBRACK, HCL_SYNERR_RBRACK }, /* BYTEARRAY #[ ] */
{ HCL_IOTOK_RBRACE, HCL_SYNERR_RBRACE }, /* DIC { } */
{ HCL_IOTOK_RPAREN, HCL_SYNERR_RPAREN } /* QLIST #( ) */
};
int oldflagv;
int concode;
if (frd->level <= 0)
{
hcl_setsynerr (hcl, HCL_SYNERR_UNBALPBB, TOKEN_LOC(hcl), HCL_NULL);
goto oops;
}
concode = LIST_FLAG_GET_CONCODE(frd->flagv);
if (req[concode].closer != TOKEN_TYPE(hcl))
{
hcl_setsynerr (hcl, req[concode].synerr, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto oops;
}
#if 0
if ((flagv & QUOTED) || frd->level <= 0)
{
/* the right parenthesis can never appear while
* 'quoted' is true. 'quoted' is set to false when
* entering a normal list. 'quoted' is set to true
* when entering a quoted list. a quoted list does
* not have an explicit right parenthesis.
* so the right parenthesis can only pair up with
* the left parenthesis for the normal list.
*
* For example, '(1 2 3 ') 5 6)
*
* this condition is triggerred when the first ) is
* met after the second quote.
*
* also it is illegal to have the right parenthesis
* with no opening(left) parenthesis, which is
* indicated by frd->level<=0.
*/
hcl_setsynerr (hcl, HCL_SYNERR_LPAREN, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto oops;
}
#endif
frd->obj = leave_list(hcl, &frd->flagv, &oldflagv);
frd->level--;
if (LIST_FLAG_GET_CONCODE(oldflagv) == HCL_CONCODE_ARRAY) frd->array_level--;
break;
}
case HCL_IOTOK_VBAR:
/* TODO: think wheter to allow | | inside a quoted list... */ /* TODO: think wheter to allow | | inside a quoted list... */
/* TODO: revise this part ... */ /* TODO: revise this part ... */
if (frd->array_level > 0) /* TODO: this check is wrong... i think .. */ if (frd->array_level > 0) /* TODO: this check is wrong... i think .. */
{
hcl_setsynerr (hcl, HCL_SYNERR_VBARBANNED, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto oops;
}
frd->obj =read_vlist(hcl);
break;
case HCL_IOTOK_NIL:
frd->obj =hcl_makecnodenil(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_TRUE:
frd->obj =hcl_makecnodetrue(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_FALSE:
frd->obj =hcl_makecnodefalse(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_SELF:
frd->obj =hcl_makecnodeself(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_SUPER:
frd->obj =hcl_makecnodesuper(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_ELLIPSIS:
frd->obj =hcl_makecnodeellipsis(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_TRPCOLONS:
frd->obj =hcl_makecnodetrpcolons(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_DCSTAR:
frd->obj =hcl_makecnodedcstar(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_SMPTRLIT:
{ {
hcl_oow_t i; hcl_setsynerr (hcl, HCL_SYNERR_VBARBANNED, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
hcl_oow_t v = 0; goto oops;
}
frd->obj = read_vlist(hcl);
break;
HCL_ASSERT (hcl, TOKEN_NAME_LEN(hcl) >= 3); case HCL_IOTOK_NIL:
for (i = 2; i < TOKEN_NAME_LEN(hcl); i++) frd->obj = hcl_makecnodenil(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
{ break;
HCL_ASSERT (hcl, is_xdigitchar(TOKEN_NAME_CHAR(hcl, i)));
v = v * 16 + CHAR_TO_NUM(TOKEN_NAME_CHAR(hcl, i), 16);
}
if (!HCL_IN_SMPTR_RANGE(v)) case HCL_IOTOK_TRUE:
{ frd->obj = hcl_makecnodetrue(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
hcl_setsynerr (hcl, HCL_SYNERR_SMPTRLIT, TOKEN_LOC(hcl), TOKEN_NAME(hcl)); break;
goto oops;
}
frd->obj =hcl_makecnodesmptrlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl), v); case HCL_IOTOK_FALSE:
break; frd->obj = hcl_makecnodefalse(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_SELF:
frd->obj = hcl_makecnodeself(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_SUPER:
frd->obj = hcl_makecnodesuper(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_ELLIPSIS:
frd->obj = hcl_makecnodeellipsis(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_TRPCOLONS:
frd->obj = hcl_makecnodetrpcolons(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_DCSTAR:
frd->obj = hcl_makecnodedcstar(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_SMPTRLIT:
{
hcl_oow_t i;
hcl_oow_t v = 0;
HCL_ASSERT (hcl, TOKEN_NAME_LEN(hcl) >= 3);
for (i = 2; i < TOKEN_NAME_LEN(hcl); i++)
{
HCL_ASSERT (hcl, is_xdigitchar(TOKEN_NAME_CHAR(hcl, i)));
v = v * 16 + CHAR_TO_NUM(TOKEN_NAME_CHAR(hcl, i), 16);
} }
case HCL_IOTOK_ERRLIT: if (!HCL_IN_SMPTR_RANGE(v))
{ {
hcl_oow_t i; hcl_setsynerr (hcl, HCL_SYNERR_SMPTRLIT, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
hcl_ooi_t v = 0; goto oops;
HCL_ASSERT (hcl, TOKEN_NAME_LEN(hcl) >= 3);
for (i = 2; i < TOKEN_NAME_LEN(hcl); i++)
{
HCL_ASSERT (hcl, is_digitchar(TOKEN_NAME_CHAR(hcl, i)));
v = v * 10 + CHAR_TO_NUM(TOKEN_NAME_CHAR(hcl, i), 10);
if (v > HCL_ERROR_MAX)
{
hcl_setsynerr (hcl, HCL_SYNERR_ERRLIT, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto oops;
}
}
frd->obj =hcl_makecnodeerrlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl), v);
break;
} }
case HCL_IOTOK_CHARLIT: frd->obj = hcl_makecnodesmptrlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl), v);
frd->obj =hcl_makecnodecharlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl), TOKEN_NAME_CHAR(hcl, 0)); break;
break;
case HCL_IOTOK_NUMLIT:
frd->obj =hcl_makecnodenumlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_RADNUMLIT:
frd->obj =hcl_makecnoderadnumlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_FPDECLIT:
frd->obj =hcl_makecnodefpdeclit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
/*
case HCL_IOTOK_REAL:
frd->obj =hcl_makerealnum(hcl, HCL_IOTOK_RVAL(hcl));
break;
*/
case HCL_IOTOK_STRLIT:
frd->obj =hcl_makecnodestrlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_IDENT:
frd->obj =hcl_makecnodesymbol(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_IDENT_DOTTED:
frd->obj =hcl_makecnodedsymbol(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
} }
if (!frd->obj) goto oops; case HCL_IOTOK_ERRLIT:
{
hcl_oow_t i;
hcl_ooi_t v = 0;
HCL_ASSERT (hcl, TOKEN_NAME_LEN(hcl) >= 3);
for (i = 2; i < TOKEN_NAME_LEN(hcl); i++)
{
HCL_ASSERT (hcl, is_digitchar(TOKEN_NAME_CHAR(hcl, i)));
v = v * 10 + CHAR_TO_NUM(TOKEN_NAME_CHAR(hcl, i), 10);
if (v > HCL_ERROR_MAX)
{
hcl_setsynerr (hcl, HCL_SYNERR_ERRLIT, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
goto oops;
}
}
frd->obj = hcl_makecnodeerrlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl), v);
break;
}
case HCL_IOTOK_CHARLIT:
frd->obj = hcl_makecnodecharlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl), TOKEN_NAME_CHAR(hcl, 0));
break;
case HCL_IOTOK_NUMLIT:
frd->obj = hcl_makecnodenumlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_RADNUMLIT:
frd->obj = hcl_makecnoderadnumlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_FPDECLIT:
frd->obj = hcl_makecnodefpdeclit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
/*
case HCL_IOTOK_REAL:
frd->obj = hcl_makerealnum(hcl, HCL_IOTOK_RVAL(hcl));
break;
*/
case HCL_IOTOK_STRLIT:
frd->obj = hcl_makecnodestrlit(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_IDENT:
frd->obj = hcl_makecnodesymbol(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
case HCL_IOTOK_IDENT_DOTTED:
frd->obj = hcl_makecnodedsymbol(hcl, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
break;
}
if (!frd->obj) goto oops;
#if 0 #if 0
/* check if the element is read for a quoted list */ /* check if the element is read for a quoted list */
while (flagv & QUOTED) while (flagv & QUOTED)
{ {
int oldflagv; int oldflagv;
HCL_ASSERT (hcl, frd->level > 0); HCL_ASSERT (hcl, frd->level > 0);
/* if so, append the element read into the quote list */ /* if so, append the element read into the quote list */
if (chain_to_list(hcl, obj) <= -1) goto oops; if (chain_to_list(hcl, obj) <= -1) goto oops;
/* exit out of the quoted list. the quoted list can have one element only. */ /* exit out of the quoted list. the quoted list can have one element only. */
obj = leave_list(hcl, &flagv, &oldflagv); obj = leave_list(hcl, &flagv, &oldflagv);
/* one frd->level up toward the top */ /* one frd->level up toward the top */
frd->level--; frd->level--;
if (LIST_FLAG_GET_CONCODE(oldflagv) == HCL_CONCODE_ARRAY) frd->array_level--; if (LIST_FLAG_GET_CONCODE(oldflagv) == HCL_CONCODE_ARRAY) frd->array_level--;
}
#endif
/* check if we are at the top frd->level */
if (frd->level <= 0)
{
// TOOD: callback with frd->obj in case it's complete
/* upon exit, we must be at the top level */
HCL_ASSERT (hcl, frd->level == 0);
HCL_ASSERT (hcl, frd->array_level == 0);
HCL_ASSERT (hcl, hcl->c->r.st == HCL_NULL);
HCL_ASSERT (hcl, frd->obj != HCL_NULL);
hcl_logbfmt (hcl, HCL_LOG_STDERR, "GOT CNODE %p\n", frd->obj);
}
else
{
/* if not, append the element read into the current list.
* if we are not at the top frd->level, we must be in a list */
if (chain_to_list(hcl, frd->obj) <= -1) goto oops;
/* because it has been chained to the list, it belongs to the current stack top.
* mark that obj is not stand-alone by nullifying it. without this, if a jump
* is made to oops, the momory block pointed to by obj may get freed twice. */
frd->obj = HCL_NULL;
clear_comma_colon_flag (hcl);
}
#if 0
/* read the next token */
GET_TOKEN_WITH_GOTO (hcl, oops);
} }
#endif #endif
/* check if we are at the top frd->level */
if (frd->level <= 0)
{
// TOOD: callback with frd->obj in case it's complete
redo: /* upon exit, we must be at the top level */
HCL_ASSERT (hcl, frd->level == 0);
HCL_ASSERT (hcl, frd->array_level == 0);
HCL_ASSERT (hcl, hcl->c->r.st == HCL_NULL);
HCL_ASSERT (hcl, frd->obj != HCL_NULL);
/* TODO: error handling, etc */
hcl_compile(hcl, frd->obj, HCL_COMPILE_CLEAR_CODE | HCL_COMPILE_CLEAR_FNBLK); /* flags 0 if non-interactive */
hcl_freecnode (hcl, frd->obj); /* not needed any more */
frd->obj = HCL_NULL;
hcl_decode (hcl, 0, hcl_getbclen(hcl));
hcl_execute (hcl);
hcl_flushio (hcl);
}
else
{
/* if not, append the element read into the current list.
* if we are not at the top frd->level, we must be in a list */
if (chain_to_list(hcl, frd->obj) <= -1) goto oops;
/* because it has been chained to the list, it belongs to the current stack top.
* mark that obj is not stand-alone by nullifying it. without this, if a jump
* is made to oops, the momory block pointed to by obj may get freed twice. */
frd->obj = HCL_NULL;
clear_comma_colon_flag (hcl);
}
ok:
return 0; return 0;
oops: oops:
@ -3270,10 +3334,7 @@ static int flx_plain_ident (hcl_t* hcl, hcl_ooci_t c) /* identifier */
if (pi->seg_len == 0) if (pi->seg_len == 0)
{ {
/* this must be the second segment if flx_plain_ident() has been scheduled hcl_setsynerrbfmt (hcl, HCL_SYNERR_MSEGIDENT, TOKEN_LOC(hcl), TOKEN_NAME(hcl), "blank segment");
* with a valid identifier character at first */
HCL_ASSERT (hcl, pi->seg_count >= 1);
hcl_setsynerr (hcl, HCL_SYNERR_MSEGIDENT, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
return -1; return -1;
} }
@ -3588,7 +3649,14 @@ static int flx_signed_token (hcl_t* hcl, hcl_ooci_t c)
else else
{ {
init_flx_pi (FLX_PI(hcl)); init_flx_pi (FLX_PI(hcl));
FLX_PI(hcl)->char_count++; /* the sign becomes the part of the identifier. */
/* the sign is already in the token name buffer.
* adjust the state data for the sign. */
HCL_ASSERT (hcl, TOKEN_NAME_LEN(hcl) == 1);
FLX_PI(hcl)->char_count++;
FLX_PI(hcl)->seg_len++;
/* let refeeding of 'c' happen at the next iteration */
FEED_CONTINUE (hcl, HCL_FLX_PLAIN_IDENT); FEED_CONTINUE (hcl, HCL_FLX_PLAIN_IDENT);
goto not_consumed; goto not_consumed;
} }
@ -3604,6 +3672,7 @@ not_consumed:
static int feed_char (hcl_t* hcl, hcl_ooci_t c) static int feed_char (hcl_t* hcl, hcl_ooci_t c)
{ {
/*hcl_logbfmt (hcl, HCL_LOG_STDERR, "FEED->[%jc] %d STATE->%d\n", c, c, FLX_STATE(hcl));*/
switch (FLX_STATE(hcl)) switch (FLX_STATE(hcl))
{ {
case HCL_FLX_START: return flx_start(hcl, c); case HCL_FLX_START: return flx_start(hcl, c);
@ -3628,6 +3697,54 @@ static int feed_char (hcl_t* hcl, hcl_ooci_t c)
return -1; return -1;
} }
static int feed_from_included (hcl_t* hcl)
{
int x;
hcl_ooch_t lc;
HCL_ASSERT (hcl, hcl->c->curinp != HCL_NULL && hcl->c->curinp != &hcl->c->inarg);
do
{
if (hcl->c->curinp->b.pos >= hcl->c->curinp->b.len)
{
if (hcl->c->reader(hcl, HCL_IO_READ, hcl->c->curinp) <= -1)
{
return -1;
}
if (hcl->c->curinp->xlen <= 0)
{
/* got EOF */
#if 0
x = feed_char(hcl, HCL_OOCI_EOF); /* TODO: or call feed_end_include? */
if (x <= -1) return -1;
#else
feed_end_include (hcl);
if (hcl->c->curinp != &hcl->c->inarg)
{
/* advance the pointer that should have been done when the include file name has been read */
hcl->c->curinp->b.pos++;
}
continue;
#endif
}
hcl->c->curinp->b.pos = 0;
hcl->c->curinp->b.len = hcl->c->curinp->xlen;
}
lc = hcl->c->curinp->buf[hcl->c->curinp->b.pos];
x = feed_char(hcl, lc);
if (x <= -1) return -1;
hcl->c->curinp->b.pos += x;
}
while (hcl->c->curinp != &hcl->c->inarg);
return 0;
}
int hcl_feed (hcl_t* hcl, const hcl_ooch_t* data, hcl_oow_t len) int hcl_feed (hcl_t* hcl, const hcl_ooch_t* data, hcl_oow_t len)
{ {
/* TODO: need to return the number of processed characters? /* TODO: need to return the number of processed characters?
@ -3641,7 +3758,7 @@ int hcl_feed (hcl_t* hcl, const hcl_ooch_t* data, hcl_oow_t len)
for (i = 0; i < len; ) for (i = 0; i < len; )
{ {
x = feed_char(hcl, data[i]); x = feed_char(hcl, data[i]);
if (x <= -1) return -1; if (x <= -1) return -1; /* TODO: return the number of processed characters via an argument? */
if (x > 0) if (x > 0)
{ {
@ -3655,9 +3772,16 @@ int hcl_feed (hcl_t* hcl, const hcl_ooch_t* data, hcl_oow_t len)
{ {
hcl->c->feed.lx.loc.colm++; hcl->c->feed.lx.loc.colm++;
} }
i += x; i += x; /* x is supposed to be 1. otherwise, some characters may get skipped. */
} }
/* feed again if not consumed */
if (hcl->c->curinp != &hcl->c->inarg && feed_from_included(hcl) <= -1)
{
/* TODO: return the number of processed characters via an argument? */
return -1;
}
/* feed data[i] again if not consumed */
} }
} }
else else