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improved error messsages

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This commit is contained in:
hyung-hwan 2018-02-09 15:04:18 +00:00
parent b1679f636f
commit 043f756076
2 changed files with 25 additions and 30 deletions
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46
lib/comp.c
View File

@ -810,15 +810,15 @@ static int compile_lambda (hcl_t* hcl, hcl_oop_t src)
arg = HCL_CONS_CAR(ptr);
if (!HCL_IS_SYMBOL(hcl, arg))
{
HCL_DEBUG1 (hcl, "Syntax error - lambda argument not a symbol - %O\n", arg);
hcl_setsynerr (hcl, HCL_SYNERR_ARGNAME, HCL_NULL, HCL_NULL); /* TODO: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ARGNAME, HCL_NULL, HCL_NULL,
"lambda argument not a symbol - %O", arg); /* TODO: error location */
return -1;
}
if (HCL_OBJ_GET_FLAGS_SYNCODE(arg))
{
HCL_DEBUG1 (hcl, "Syntax error - special symbol not to be declared as an argument name - %O\n", arg);
hcl_setsynerr (hcl, HCL_SYNERR_BANNEDARGNAME, HCL_NULL, HCL_NULL); /* TOOD: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_BANNEDARGNAME, HCL_NULL, HCL_NULL,
"special symbol not to be declared as an argument name - %O", arg); /* TOOD: error location */
return -1;
}
@ -826,8 +826,8 @@ static int compile_lambda (hcl_t* hcl, hcl_oop_t src)
{
if (hcl->errnum == HCL_EEXIST)
{
HCL_DEBUG1 (hcl, "Syntax error - lambda argument duplicate - %O\n", arg);
hcl_setsynerr (hcl, HCL_SYNERR_ARGNAMEDUP, HCL_NULL, HCL_NULL); /* TODO: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ARGNAMEDUP, HCL_NULL, HCL_NULL,
"lambda argument duplicate - %O", arg); /* TODO: error location */
}
return -1;
}
@ -838,8 +838,8 @@ static int compile_lambda (hcl_t* hcl, hcl_oop_t src)
{
if (!HCL_IS_NIL(hcl, ptr))
{
HCL_DEBUG1 (hcl, "Syntax error - redundant cdr in lambda argument list - %O\n", args);
hcl_setsynerr (hcl, HCL_SYNERR_DOTBANNED, HCL_NULL, HCL_NULL); /* TODO: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_DOTBANNED, HCL_NULL, HCL_NULL,
"redundant cdr in lambda argument list - %O", args); /* TODO: error location */
return -1;
}
break;
@ -855,8 +855,7 @@ static int compile_lambda (hcl_t* hcl, hcl_oop_t src)
* block arguments, evaluation which is done by message passing
* limits the number of arguments that can be passed. so the
* check is implemented */
HCL_DEBUG1 (hcl, "Syntax error - too many arguments - %O\n", args);
hcl_setsynerr (hcl, HCL_SYNERR_ARGFLOOD, HCL_NULL, HCL_NULL);
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ARGFLOOD, HCL_NULL, HCL_NULL, "too many(%zu) arguments - %O", nargs, args);
return -1;
}
@ -878,8 +877,8 @@ static int compile_lambda (hcl_t* hcl, hcl_oop_t src)
{
if (HCL_OBJ_GET_FLAGS_SYNCODE(((hcl_oop_oop_t)dcl)->slot[i]))
{
HCL_DEBUG1 (hcl, "Syntax error - special symbol not to be declared as a variable name - %O\n", obj);
hcl_setsynerr (hcl, HCL_SYNERR_BANNEDVARNAME, HCL_NULL, HCL_NULL); /* TOOD: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_BANNEDVARNAME, HCL_NULL, HCL_NULL,
"special symbol not to be declared as a variable name - %O", obj); /* TOOD: error location */
return -1;
}
@ -887,8 +886,8 @@ static int compile_lambda (hcl_t* hcl, hcl_oop_t src)
{
if (hcl->errnum == HCL_EEXIST)
{
HCL_DEBUG1 (hcl, "Syntax error - local variable duplicate - %O\n", ((hcl_oop_oop_t)dcl)->slot[i]);
hcl_setsynerr (hcl, HCL_SYNERR_VARNAMEDUP, HCL_NULL, HCL_NULL); /* TODO: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_VARNAMEDUP, HCL_NULL, HCL_NULL,
"local variable duplicate - %O", ((hcl_oop_oop_t)dcl)->slot[i]); /* TODO: error location */
}
return -1;
@ -906,15 +905,13 @@ static int compile_lambda (hcl_t* hcl, hcl_oop_t src)
HCL_ASSERT (hcl, ntmprs == hcl->c->tv.size - saved_tv_count);
if (ntmprs > MAX_CODE_NBLKTMPRS)
{
HCL_DEBUG1 (hcl, "Syntax error - too many variables - %O\n", args);
hcl_setsynerr (hcl, HCL_SYNERR_VARFLOOD, HCL_NULL, HCL_NULL);
hcl_setsynerrbfmt (hcl, HCL_SYNERR_VARFLOOD, HCL_NULL, HCL_NULL, "too many(%zu) variables - %O", ntmprs, args);
return -1;
}
if (hcl->c->blk.depth == HCL_TYPE_MAX(hcl_ooi_t))
{
HCL_DEBUG1 (hcl, "Syntax error - lambda block depth too deep - %O\n", src);
hcl_setsynerr (hcl, HCL_SYNERR_BLKDEPTH, HCL_NULL, HCL_NULL);
hcl_setsynerrbfmt (hcl, HCL_SYNERR_BLKDEPTH, HCL_NULL, HCL_NULL, "lambda block depth too deep - %O", src);
return -1;
}
hcl->c->blk.depth++;
@ -951,14 +948,12 @@ static int compile_return (hcl_t* hcl, hcl_oop_t src)
{
/* TODO: should i allow (return)? does it return the last value on the stack? */
/* no value */
HCL_DEBUG1 (hcl, "Syntax error - no value specified in return - %O\n", src);
hcl_setsynerr (hcl, HCL_SYNERR_ARGCOUNT, HCL_NULL, HCL_NULL); /* TODO: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ARGCOUNT, HCL_NULL, HCL_NULL, "no value specified in return - %O", src); /* TODO: error location */
return -1;
}
else if (!HCL_IS_CONS(hcl, obj))
{
HCL_DEBUG1 (hcl, "Syntax error - redundant cdr in return - %O\n", src);
hcl_setsynerr (hcl, HCL_SYNERR_DOTBANNED, HCL_NULL, HCL_NULL); /* TODO: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_DOTBANNED, HCL_NULL, HCL_NULL, "redundant cdr in return - %O", src); /* TODO: error location */
return -1;
}
@ -967,8 +962,7 @@ static int compile_return (hcl_t* hcl, hcl_oop_t src)
obj = HCL_CONS_CDR(obj);
if (!HCL_IS_NIL(hcl, obj))
{
HCL_DEBUG1 (hcl, "Synatx error - too many arguments to return - %O\n", src);
hcl_setsynerr (hcl, HCL_SYNERR_ARGCOUNT, HCL_NULL, HCL_NULL); /* TODO: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_ARGCOUNT, HCL_NULL, HCL_NULL, "more than 1 argument to return - %O", src); /* TODO: error location */
return -1;
}
@ -1370,8 +1364,8 @@ static HCL_INLINE int compile_symbol (hcl_t* hcl, hcl_oop_t obj)
if (HCL_OBJ_GET_FLAGS_SYNCODE(obj))
{
HCL_DEBUG1 (hcl, "Syntax error - special symbol not to be used as a variable name - %O\n", obj);
hcl_setsynerr (hcl, HCL_SYNERR_BANNEDVARNAME, HCL_NULL, HCL_NULL); /* TOOD: error location */
hcl_setsynerrbfmt (hcl, HCL_SYNERR_BANNEDVARNAME, HCL_NULL, HCL_NULL,
"special symbol not to be used as a variable name - %O", obj); /* TOOD: error location */
return -1;
}

9
lib/read.c
View File

@ -1361,8 +1361,9 @@ done:
return (hcl_oop_t)hcl_makedic(hcl, 100); /* TODO: default dictionary size for empty definition? */
/* NOTE: empty xlist will get translated to #nil.
* this is useful when used in the lambda expression to express an empty argument.
* (lambda () ...) is equivalent to (lambda #nil ...) */
* this is useful when used in the lambda expression to express an empty argument. also in defun.
* (lambda () ...) is equivalent to (lambda #nil ...)
* (defun x() ...) */
}
}
@ -1622,9 +1623,9 @@ static int read_object (hcl_t* hcl)
switch (TOKEN_TYPE(hcl))
{
default:
HCL_DEBUG3 (hcl, "invalid token type encountered %d - %.*js\n", TOKEN_TYPE(hcl), TOKEN_NAME_LEN(hcl), TOKEN_NAME_PTR(hcl));
HCL_ASSERT (hcl, !"should never happen - invalid token type");
hcl_seterrnum (hcl, HCL_EINTERN);
hcl_seterrbfmt (hcl, HCL_EINTERN, "invalid token encountered - %d %.*js",
TOKEN_TYPE(hcl), TOKEN_NAME_LEN(hcl), TOKEN_NAME_PTR(hcl));
return -1;
case HCL_IOTOK_EOF: