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refactored compiler code abit

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This commit is contained in:
hyunghwan.chung 2017-03-08 14:48:12 +00:00
parent 308318b615
commit 8bf134e8e3
3 changed files with 40 additions and 28 deletions
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31
moo/kernel/Apex.moo
View File

@ -408,30 +408,39 @@ class UndefinedObject(Apex)
}
class Error(Apex)
{
}
pooldic Error.Code
{
GENERIC := error(0).
NOIMPL := error(1).
SYSERR := error(2).
INTERN := error(3).
SYSMEM := error(4).
OOMEM := error(5).
INVAL := error(6).
NOENT := error(7).
EGENERIC := error(0).
ENOIMPL := error(1).
ESYSERR := error(2).
EINTERN := error(3).
ESYSMEM := error(4).
EOOMEM := error(5).
EINVAL := error(6).
ENOENT := error(7).
(* add more items... *)
}
(*pooldic Error.Code2
{
>> CAN I SUPPORT this kind of redefnition? as of now, it's not accepted because
>> Error.Code2.EGENERIC is not a literal. Should i treate pooldic members as a constant
>> and treat it as if it's a literal like? then even if the defined value changes,
>> the definition here won't see the change... what is the best way to tackle this issue?
EGENERIC := Error.Code2.EGENERIC.
}*)
extend Error
{
(* ----------------------------
TODO: support constant declaration...
TODO: support nested pooldic/constant declaration...
#const
pooldic/const
{
NONE := error(0).
GENERIC := error(1).

6
moo/kernel/Collect.moo
View File

@ -29,7 +29,7 @@ class Collection(Object)
method detect: block
{
self do: [ :el | if (block value: el) { ^el } ].
^Error.Code.NOENT
^Error.Code.ENOENT
}
method detect: block ifNone: exception_block
@ -229,7 +229,7 @@ class Set(Collection)
}.
##upsert ifFalse: [^ErrorCode.NOENT].
if (upsert) {} else { ^Error.Code.NOENT }.
if (upsert) {} else { ^Error.Code.ENOENT }.
ntally := self.tally + 1.
if (ntally >= bs)
@ -316,7 +316,7 @@ class Set(Collection)
index := (index + 1) rem: bs.
}.
^Error.Code.NOENT.
^Error.Code.ENOENT.
}
method __remove_at: index

31
moo/lib/comp.c
View File

@ -2795,7 +2795,10 @@ oops:
return MOO_NULL;
}
static int preprocess_dotted_name (moo_t* moo, int dont_add_ns, int accept_pooldic_as_ns, const moo_oocs_t* fqn, const moo_ioloc_t* fqn_loc, moo_oocs_t* name, moo_oop_set_t* ns_oop)
#define PDN_DONT_ADD_NS (1 << 0)
#define PDN_ACCEPT_POOLDIC_AS_NS (1 << 1)
static int preprocess_dotted_name (moo_t* moo, int flags, moo_oop_set_t topdic, const moo_oocs_t* fqn, const moo_ioloc_t* fqn_loc, moo_oocs_t* name, moo_oop_set_t* ns_oop)
{
const moo_ooch_t* ptr, * dot;
moo_oow_t len;
@ -2804,7 +2807,7 @@ static int preprocess_dotted_name (moo_t* moo, int dont_add_ns, int accept_poold
moo_oop_association_t ass;
int pooldic_gotten = 0;
dic = moo->sysdic;
dic = topdic? topdic: moo->sysdic;
ptr = fqn->ptr;
len = fqn->len;
@ -2844,7 +2847,7 @@ static int preprocess_dotted_name (moo_t* moo, int dont_add_ns, int accept_poold
* has been attached to the class */
moo_oop_set_t t;
if (dont_add_ns) goto wrong_name;
if (flags & PDN_DONT_ADD_NS) goto wrong_name;
/* attach a new namespace dictionary to the nsdic field
* of the class */
@ -2856,7 +2859,7 @@ static int preprocess_dotted_name (moo_t* moo, int dont_add_ns, int accept_poold
}
else
{
if (accept_pooldic_as_ns && MOO_CLASSOF(moo, ass->value) == moo->_pool_dictionary)
if ((flags & PDN_ACCEPT_POOLDIC_AS_NS) && MOO_CLASSOF(moo, ass->value) == moo->_pool_dictionary)
{
/* A pool dictionary is treated as if it's a name space.
* However, the pool dictionary can only act as a name space
@ -2875,7 +2878,7 @@ static int preprocess_dotted_name (moo_t* moo, int dont_add_ns, int accept_poold
moo_oop_set_t t;
/* the segment does not exist. add it */
if (dont_add_ns)
if (flags & PDN_DONT_ADD_NS)
{
/* in '#extend Planet.Earth', it's an error
* if Planet doesn't exist */
@ -2924,7 +2927,7 @@ static int resolve_pooldic (moo_t* moo, int dotted, const moo_oocs_t* name)
if (dotted)
{
if (preprocess_dotted_name(moo, 0, 0, name, TOKEN_LOC(moo), &last, &ns_oop) <= -1) return -1;
if (preprocess_dotted_name(moo, 0, MOO_NULL, name, TOKEN_LOC(moo), &last, &ns_oop) <= -1) return -1;
}
else
{
@ -3011,7 +3014,7 @@ static int compile_class_level_variables (moo_t* moo)
else if (is_token_symbol(moo, VOCA_POOLDIC_S))
{
/* dcl(#pooldic) - import a pool dictionary */
dcl_type = VAR_GLOBAL; /* this is not a real type. use for branching below */
dcl_type = VAR_GLOBAL; /* this is not a real type. used for branching below */
GET_TOKEN (moo);
}
@ -3027,7 +3030,7 @@ static int compile_class_level_variables (moo_t* moo)
if (dcl_type == VAR_GLOBAL)
{
/* pool dictionary import declaration
* #dcl(#pooldic) ... */
* dcl(#pooldic) ... */
moo_oocs_t last;
moo_oop_set_t ns_oop;
@ -3035,7 +3038,7 @@ static int compile_class_level_variables (moo_t* moo)
{
if (TOKEN_TYPE(moo) == MOO_IOTOK_IDENT_DOTTED)
{
if (preprocess_dotted_name(moo, 0, 0, TOKEN_NAME(moo), TOKEN_LOC(moo), &last, &ns_oop) <= -1) return -1;
if (preprocess_dotted_name(moo, 0, MOO_NULL, TOKEN_NAME(moo), TOKEN_LOC(moo), &last, &ns_oop) <= -1) return -1;
}
else if (TOKEN_TYPE(moo) == MOO_IOTOK_IDENT)
{
@ -3490,7 +3493,7 @@ static int get_variable_info (moo_t* moo, const moo_oocs_t* name, const moo_iolo
}
}
if (preprocess_dotted_name (moo, 1, 1, name, name_loc, &last, &ns_oop) <= -1) return -1;
if (preprocess_dotted_name (moo, PDN_DONT_ADD_NS | PDN_ACCEPT_POOLDIC_AS_NS, MOO_NULL, name, name_loc, &last, &ns_oop) <= -1) return -1;
ass = moo_lookupdic (moo, ns_oop, &last);
if (ass)
@ -6181,7 +6184,7 @@ static int __compile_class_definition (moo_t* moo, int extend)
moo->c->cls.fqn_loc = moo->c->tok.loc;
if (TOKEN_TYPE(moo) == MOO_IOTOK_IDENT_DOTTED)
{
if (preprocess_dotted_name(moo, extend, 0, &moo->c->cls.fqn, &moo->c->cls.fqn_loc, &moo->c->cls.name, &moo->c->cls.ns_oop) <= -1) return -1;
if (preprocess_dotted_name(moo, (extend? PDN_DONT_ADD_NS: 0), MOO_NULL, &moo->c->cls.fqn, &moo->c->cls.fqn_loc, &moo->c->cls.name, &moo->c->cls.ns_oop) <= -1) return -1;
}
else
{
@ -6253,7 +6256,7 @@ static int __compile_class_definition (moo_t* moo, int extend)
if (TOKEN_TYPE(moo) == MOO_IOTOK_IDENT_DOTTED)
{
if (preprocess_dotted_name(moo, 1, 0, &moo->c->cls.superfqn, &moo->c->cls.superfqn_loc, &moo->c->cls.supername, &moo->c->cls.superns_oop) <= -1) return -1;
if (preprocess_dotted_name(moo, PDN_DONT_ADD_NS, MOO_NULL, &moo->c->cls.superfqn, &moo->c->cls.superfqn_loc, &moo->c->cls.supername, &moo->c->cls.superns_oop) <= -1) return -1;
}
else
{
@ -6446,7 +6449,7 @@ static int __compile_class_definition (moo_t* moo, int extend)
if (dotted)
{
if (preprocess_dotted_name(moo, 0, 0, &tok, &loc, &last, &ns_oop) <= -1) return -1;
if (preprocess_dotted_name(moo, 0, MOO_NULL, &tok, &loc, &last, &ns_oop) <= -1) return -1;
}
else
{
@ -6605,7 +6608,7 @@ static int __compile_pooldic_definition (moo_t* moo)
if (TOKEN_TYPE(moo) == MOO_IOTOK_IDENT_DOTTED)
{
if (preprocess_dotted_name(moo, 0, 0, &moo->c->cls.fqn, &moo->c->cls.fqn_loc, &moo->c->cls.name, &moo->c->cls.ns_oop) <= -1) return -1;
if (preprocess_dotted_name(moo, 0, MOO_NULL, &moo->c->cls.fqn, &moo->c->cls.fqn_loc, &moo->c->cls.name, &moo->c->cls.ns_oop) <= -1) return -1;
}
else
{