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fixed many bugs in cli mode reader

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This commit is contained in:
hyung-hwan 2018-08-05 18:46:54 +00:00
parent 0634bf26b3
commit 256472b2ea
2 changed files with 114 additions and 46 deletions
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7
lib/main.c
View File

@ -350,7 +350,6 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
return 0;
}
static int read_handler (hcl_t* hcl, hcl_iocmd_t cmd, void* arg)
{
switch (cmd)
@ -1888,7 +1887,11 @@ count++;
else if (hcl->errnum == HCL_ESYNERR)
{
print_synerr (hcl);
if (xtn->reader_istty && hcl_getsynerrnum(hcl) != HCL_SYNERR_EOF) continue;
if (xtn->reader_istty && hcl_getsynerrnum(hcl) != HCL_SYNERR_EOF)
{
/* TODO: drain remaining data in the reader including the actual inputstream and buffered data in hcl */
continue;
}
}
else
{

153
lib/read.c
View File

@ -2189,10 +2189,58 @@ static int read_object (hcl_t* hcl)
static int read_object_in_cli_mode (hcl_t* hcl)
{
/*
( ls -laF
pwd ) -> ( (ls -laF) (pwd) )
ls -laF (pwd) -> (ls -laF ( (pwd ) )
ls -laF -> (ls -laF)
( -> (
ls -laF -> (ls -laF)
pwd -> (pwd)
) -> )
( (
pwd ( (pwd (
ls -laF (ls -laF)
) ) )
) )
* SOME key test cases
------------
(pwd)
------------
(pwd
)
------------
(
pwd)
------------
(
pwd
)
------------
pwd (pwd)
------------
pwd (pwd
)
*
---------------
pwd) -------> error
*/
int level = 0, array_level = 0, flagv = 0;
hcl_oop_t obj;
int start_virtual_list = 1;
int prev_eoled = 0;
hcl_iotok_type_t prev_token_type = HCL_IOTOK_EOF;
if (TOKEN_TYPE(hcl) == HCL_IOTOK_LPAREN) start_virtual_list = 0;
@ -2207,7 +2255,7 @@ HCL_DEBUG0 (hcl, "STARTING vritual list...\n");
/* push some data to simulate recursion into
* a list literal or an array literal */
if (enter_list(hcl, flagv) == HCL_NULL) return -1;
if (enter_list(hcl, flagv) == HCL_NULL) goto oops;
level++;
//if (LIST_FLAG_GET_CONCODE(flagv) == HCL_CONCODE_ARRAY) array_level++;
@ -2218,11 +2266,11 @@ HCL_DEBUG0 (hcl, "STARTING vritual list...\n");
{
default:
hcl_setsynerr (hcl, HCL_SYNERR_ILTOK, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
return -1;
goto oops;
case HCL_IOTOK_EOF:
hcl_setsynerr (hcl, HCL_SYNERR_EOF, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
return -1;
goto oops;
case HCL_IOTOK_INCLUDE:
/* TODO: should i limit where #include can be specified?
@ -2231,58 +2279,47 @@ HCL_DEBUG0 (hcl, "STARTING vritual list...\n");
if (TOKEN_TYPE(hcl) != HCL_IOTOK_STRLIT)
{
hcl_setsynerr (hcl, HCL_SYNERR_STRING, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
return -1;
goto oops;
}
if (begin_include(hcl) <= -1) return -1;
if (begin_include(hcl) <= -1) goto oops;
goto redo;
case HCL_IOTOK_LPAREN: /* () */
{
/*int first = 1;
redo_lparen:*/
flagv = 0;
LIST_FLAG_SET_CONCODE (flagv, HCL_CONCODE_XLIST);
SET_TOKEN_TYPE (hcl, HCL_IOTOK_EOL); /* to have get_token() to ignore immediate <EOL> after ( */
/*start_list:*/
if (level >= HCL_TYPE_MAX(int))
{
/* the nesting level has become too deep */
hcl_setsynerr (hcl, HCL_SYNERR_NESTING, TOKEN_LOC(hcl), TOKEN_NAME(hcl));
return -1;
goto oops;
}
/* push some data to simulate recursion into
* a list literal or an array literal */
HCL_DEBUG0 (hcl, "111 STARTING list...\n");
if (enter_list(hcl, flagv) == HCL_NULL) return -1;
if (enter_list(hcl, flagv) == HCL_NULL) goto oops;
level++;
//if (LIST_FLAG_GET_CONCODE(flagv) == HCL_CONCODE_ARRAY) array_level++;
/*
if (first)
{
first = 0;
goto redo_lparen;
}
*/
/* read the next token */
GET_TOKEN (hcl);
start_virtual_list = 1;
goto redo;
}
goto next_token;
case HCL_IOTOK_EOL:
{
int oldflagv;
//int concode;
if (prev_token_type == HCL_IOTOK_EOL || prev_token_type == HCL_IOTOK_LPAREN) goto next_token;
if (level <= 0)
{
hcl_setsynerr (hcl, HCL_SYNERR_UNBALPBB, TOKEN_LOC(hcl), HCL_NULL);
return -1;
goto oops;
}
HCL_DEBUG1 (hcl, "11 LEAVING LIST level->%d\n", (int)level);
//concode = LIST_FLAG_GET_CONCODE(flagv);
obj = leave_list(hcl, &flagv, &oldflagv);
@ -2298,25 +2335,44 @@ HCL_DEBUG0 (hcl, "111 STARTING list...\n");
int oldflagv;
//int concode;
if (prev_eoled)
if (prev_token_type == HCL_IOTOK_LPAREN)
{
/* exit #1 */
if (level <= 0)
{
hcl_setsynerr (hcl, HCL_SYNERR_UNBALPBB, TOKEN_LOC(hcl), HCL_NULL);
return -1;
}
hcl_setsynerr (hcl, HCL_SYNERR_EMPTYXLIST, TOKEN_LOC(hcl), HCL_NULL); /* TODO: change error code?? */
goto oops;
}
else if (prev_token_type == HCL_IOTOK_EOL)
{
if (level <= 1) goto unbalpbb;
//concode = LIST_FLAG_GET_CONCODE(flagv);
obj = leave_list(hcl, &flagv, &oldflagv);
level--;
//if (LIST_FLAG_GET_CONCODE(oldflagv) == HCL_CONCODE_ARRAY) array_level--;
if (!obj) return -1;
if (!obj) goto oops;
HCL_ASSERT (hcl, level > 0);
HCL_DEBUG1 (hcl, "00 ADDING TO LIST %O\n", obj);
if (chain_to_list(hcl, obj) == HCL_NULL) return -1;
clear_comma_colon_flag (hcl);
HCL_ASSERT (hcl, obj == hcl->_nil);
}
else
{
/* exit #1 */
if (level <= 1) goto unbalpbb;
//concode = LIST_FLAG_GET_CONCODE(flagv);
HCL_DEBUG0 (hcl, "22 LEAVING LIST\n");
obj = leave_list(hcl, &flagv, &oldflagv);
level--;
//if (LIST_FLAG_GET_CONCODE(oldflagv) == HCL_CONCODE_ARRAY) array_level--;
if (!obj) goto oops;
HCL_ASSERT (hcl, level > 0);
if (obj != hcl->_nil)
{
//HCL_ASSERT (hcl, obj == hcl->_nil);
HCL_DEBUG1 (hcl, "00 ADDING TO LIST %O\n", obj);
if (chain_to_list(hcl, obj) == HCL_NULL) goto oops;
clear_comma_colon_flag (hcl);
}
}
/* exit #2 */
@ -2324,17 +2380,22 @@ HCL_DEBUG0 (hcl, "111 STARTING list...\n");
{
unbalpbb:
hcl_setsynerr (hcl, HCL_SYNERR_UNBALPBB, TOKEN_LOC(hcl), HCL_NULL);
return -1;
goto oops;
}
HCL_DEBUG1 (hcl, "33 LEAVING LIST level %d\n", level);
//concode = LIST_FLAG_GET_CONCODE(flagv);
obj = leave_list(hcl, &flagv, &oldflagv);
obj = leave_list(hcl, &flagv, &oldflagv); /* this object is added to the chain after break */
level--;
level--; /* double exit??? */
//if (LIST_FLAG_GET_CONCODE(oldflagv) == HCL_CONCODE_ARRAY) array_level--;
SET_TOKEN_TYPE (hcl, HCL_IOTOK_EOL); /* to have get_token() to ignore immediate <EOL> after ( */
if (!obj) goto oops;
if (obj == hcl->_nil)
{
/* consider an input like ls (pwd <EOL>) where EOL is '\n' */
goto next_token;
}
break;
}
@ -2349,7 +2410,7 @@ HCL_DEBUG0 (hcl, "111 STARTING list...\n");
break;
}
if (!obj) return -1;
if (!obj) goto oops;
/* check if we are at the top level */
if (level <= 0) break; /* yes */
@ -2357,17 +2418,21 @@ HCL_DEBUG0 (hcl, "111 STARTING list...\n");
/* if not, append the element read into the current list.
* if we are not at the top level, we must be in a list */
HCL_DEBUG1 (hcl, "11 ADDING TO LIST %O\n", obj);
if (chain_to_list(hcl, obj) == HCL_NULL) return -1;
if (chain_to_list(hcl, obj) == HCL_NULL) goto oops;
clear_comma_colon_flag (hcl);
prev_eoled = (TOKEN_TYPE(hcl) == HCL_IOTOK_EOL);
next_token:
prev_token_type = TOKEN_TYPE(hcl);
/* read the next token */
GET_TOKEN (hcl);
}
done:
hcl->c->r.e = obj;
return 0;
oops:
SET_TOKEN_TYPE (hcl, HCL_IOTOK_EOL); /* to make get_token() not return an immediate EOL after error */
return -1;
}
static HCL_INLINE int __read (hcl_t* hcl)