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trying to implement the exception variable in catch

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hyung-hwan 2021-04-22 00:00:12 +00:00
parent 4ff6fff433
commit 030a71c7cd
1 changed files with 21 additions and 2 deletions
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23
lib/comp.c
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@ -159,7 +159,7 @@ static int __find_word_in_string (const hcl_oocs_t* haystack, const hcl_oocs_t*
if (found != HCL_TYPE_MAX(hcl_oow_t)) if (found != HCL_TYPE_MAX(hcl_oow_t))
{ {
if (xindex) *xindex = found; if (xindex) *xindex = found;
return 0; /* foudn */ return 0; /* found */
} }
return -1; /* not found */ return -1; /* not found */
@ -183,6 +183,16 @@ static int add_temporary_variable (hcl_t* hcl, const hcl_oocs_t* name, hcl_oow_t
return x; return x;
} }
static int kill_temporary_variable (hcl_t* hcl, hcl_oow_t start_wpos, hcl_oow_t end_wpos)
{
/* this function doesn't remove the added temporary variable nor does it lower the word count.
* it simply changes a word at the given postion to some garbage characters so that
* the variable can't be found in the search */
/* TODO: .... */
return 0;
}
static int find_temporary_variable_backward (hcl_t* hcl, const hcl_oocs_t* name, hcl_oow_t* index) static int find_temporary_variable_backward (hcl_t* hcl, const hcl_oocs_t* name, hcl_oow_t* index)
{ {
/* find the last element */ /* find the last element */
@ -1997,7 +2007,16 @@ static HCL_INLINE int compile_catch (hcl_t* hcl)
hcl_setsynerrbfmt (hcl, HCL_SYNERR_VARNAME, HCL_CNODE_GET_LOC(exarg), HCL_CNODE_GET_TOK(exarg), "invalid exception variable name in %.*js", HCL_CNODE_GET_TOKLEN(cmd), HCL_CNODE_GET_TOKPTR(cmd)); hcl_setsynerrbfmt (hcl, HCL_SYNERR_VARNAME, HCL_CNODE_GET_LOC(exarg), HCL_CNODE_GET_TOK(exarg), "invalid exception variable name in %.*js", HCL_CNODE_GET_TOKLEN(cmd), HCL_CNODE_GET_TOKPTR(cmd));
return -1; return -1;
} }
/* TODO: add the exception variable to the local variable list... increase the number of local variables ... etc */
/* -------------------------------------------- */
/*
TODO: do implement this part
/* add the exception variable to the local variable list... increase the number of local variables */
if (add_temporary_variable(hcl, HCL_CNODE_GET_TOK(exarg), hcl->c->tv.s.len) <= -1) return -1;
hcl->c->fnblk.info[hcl->c->fnblk.depth].tmprlen = hcl->c->tv.s.len;
hcl->c->fnblk.info[hcl->c->fnblk.depth].tmprcnt = hcl->c->tv.wcount;
/*
/* -------------------------------------------- */
obj = HCL_CNODE_CONS_CDR(obj); obj = HCL_CNODE_CONS_CDR(obj);