static KMETHOD Statement_import(KonohaContext *kctx, KonohaStack *sfp)
{
int ret = false;
VAR_Statement(stmt, gma);
kTokenArray *tokenList = (kTokenArray *) kStmt_GetObjectNULL(kctx, stmt, KW_TokenPattern);
if(tokenList == NULL) {
KReturnUnboxValue(false);
}
kNameSpace *ns = Stmt_ns(stmt);
SugarSyntaxVar *syn = (SugarSyntaxVar *) SYN_(ns, KW_ExprMethodCall);
kExpr *expr;
kTokenVar *tkImport = /*G*/new_(TokenVar, 0, OnGcStack);
tkImport->resolvedSymbol = MN_("import");
if(IS_Token(tokenList)) {
kTokenArray *list = ((kToken *) tokenList)->subTokenList;
if(IS_String(list)) {
/* case: import cstyle; */
kString *pkgname = (kString *) list;
expr = CreateImportCall(kctx, syn, tkImport, ns, pkgname);
}
else if(kArray_size(list) == 1) {
/* case : import("konoha.import"); */
kExpr *param0 = makeStringConstValue(kctx, list->TokenItems[0]->text);
expr = SUGAR new_UntypedCallStyleExpr(kctx, syn, 3,
tkImport, new_ConstValueExpr(kctx, O_ct(ns), UPCAST(ns)), param0);
}
else if(kArray_size(list) == 2) {
/* case : import("konoha.import", "import"); */
kExpr *param0 = makeStringConstValue(kctx, list->TokenItems[0]->text);
kExpr *param1 = makeStringConstValue(kctx, list->TokenItems[1]->text);
expr = SUGAR new_UntypedCallStyleExpr(kctx, syn, 4,
tkImport, new_ConstValueExpr(kctx, O_ct(ns), UPCAST(ns)),
param0, param1);
} else {
KReturnUnboxValue(false);
}
} else {
KGrowingBuffer wb;
KLIB KBuffer_Init(&(kctx->stack->cwb), &wb);
/* case : import konoha.import */
ksymbol_t star = SYM_("*");
size_t i = 0;
if(i + 2 < kArray_size(tokenList)) {
for (; i < kArray_size(tokenList)-1; i+=2) {
/* name . */
kToken *tk = tokenList->TokenItems[i+0];
if(i+2 < kArray_size(tokenList)) {
kToken *startTk = tokenList->TokenItems[i+2];
if(startTk->resolvedSyntaxInfo->keyword == star) {
break;
}
}
KLIB KBuffer_Write(kctx, &wb, S_text(tk->text), S_size(tk->text));
KLIB KBuffer_Write(kctx, &wb, ".", 1);
}
}
kString *name = tokenList->TokenItems[i]->text;
KLIB KBuffer_Write(kctx, &wb, S_text(name), S_size(name));
kString *pkgname = KLIB new_kString(kctx, OnGcStack, KLIB KBuffer_Stringfy(kctx, &wb, 1), KBuffer_bytesize(&wb), 0);
expr = CreateImportCall(kctx, syn, tkImport, ns, pkgname);
}
KLIB kObjectProto_SetObject(kctx, stmt, KW_ExprPattern, TY_Expr, expr);
ret = SUGAR kStmt_TypeCheckByName(kctx, stmt, KW_ExprPattern, gma, CT_void, TypeCheckPolicy_ALLOWVOID);
if(ret) {
kStmt_typed(stmt, EXPR);
}
KReturnUnboxValue(ret);
}
static kString* Stmt_getErrorMessage(KonohaContext *kctx, kStmt *stmt)
{
kString* msg = (kString *)kStmt_GetObjectNULL(kctx, stmt, KW_ERR);
DBG_ASSERT(IS_String(msg));
return msg;
}
