static KMETHOD Statement_for(KonohaContext *kctx, KonohaStack *sfp)
{
VAR_Statement(stmt, gma);
DBG_P("for statement .. ");
int isOkay = false;
if(SUGAR kStmt_TypeCheckByName(kctx, stmt, KW_ExprPattern, gma, CT_INFER, 0)) {
kNameSpace *ns = Stmt_ns(stmt);
kToken *TypeToken = SUGAR kStmt_GetToken(kctx, stmt, KW_TypePattern, NULL);
kToken *VariableToken = SUGAR kStmt_GetToken(kctx, stmt, KW_SymbolPattern, NULL);
DBG_P("typeToken=%p, varToken=%p", TypeToken, VariableToken);
kExpr *IteratorExpr = SUGAR kStmt_GetExpr(kctx, stmt, KW_ExprPattern, NULL);
if(!TY_isIterator(IteratorExpr->attrTypeId)) {
kMethod *mtd = KLIB kNameSpace_GetMethodByParamSizeNULL(kctx, ns, CT_(IteratorExpr->attrTypeId), MN_to(TY_Iterator), 0, MethodMatch_NoOption);
if(mtd == NULL) {
kStmtExpr_Message(kctx, stmt, IteratorExpr, ErrTag, "expected Iterator expression after in");
KReturnUnboxValue(false);
}
IteratorExpr = SUGAR new_TypedCallExpr(kctx, stmt, gma, CT_INFER, mtd, 1, IteratorExpr);
kStmt_setObject(kctx, stmt, KW_ExprPattern, IteratorExpr);
}
kBlock *block = new_MacroBlock(kctx, stmt, new_TypeToken(kctx, ns, CT_(IteratorExpr->attrTypeId)), new_ParsedExprToken(kctx, ns, IteratorExpr), TypeToken, VariableToken);
kStmt *IfStmt = block->StmtList->StmtItems[1]; // @see macro;
kStmt_appendBlock(kctx, IfStmt, SUGAR kStmt_GetBlock(kctx, stmt, ns, KW_BlockPattern, NULL));
kStmt_Set(CatchBreak, IfStmt, true);
kStmt_Set(CatchContinue, IfStmt, true);
isOkay = SUGAR kBlock_TypeCheckAll(kctx, block, gma);
if(isOkay) {
kStmt_typed(IfStmt, LOOP);
kStmt_setObject(kctx, stmt, KW_BlockPattern, block);
kStmt_typed(stmt, BLOCK);
}
}
KReturnUnboxValue(isOkay);
}
static void kStmt_appendBlock(KonohaContext *kctx, kStmt *stmt, kBlock *bk)
{
if(bk != NULL) {
kBlock *block = SUGAR kStmt_GetBlock(kctx, stmt, Stmt_ns(stmt), KW_BlockPattern, NULL);
size_t i;
for(i = 0; i < kArray_size(bk->StmtList); i++) {
KLIB kArray_Add(kctx, block->StmtList, bk->StmtList->StmtItems[i]);
}
}
}
//## Block Stmt.getBlock(symbol key, Block def);
static KMETHOD Stmt_getBlock(KonohaContext *kctx, KonohaStack *sfp)
{
ksymbol_t key = (ksymbol_t)sfp[1].intValue;
KReturn(SUGAR kStmt_GetBlock(kctx, sfp[0].asStmt, NULL/*DefaultNameSpace*/, key, sfp[2].asBlock));
}
static kBlock* Stmt_getElseBlock(KonohaContext *kctx, kStmt *stmt)
{
return SUGAR kStmt_GetBlock(kctx, stmt, NULL, KW_else, K_NULLBLOCK);
}
/* [Statement/Expression API] */
static kBlock* Stmt_getFirstBlock(KonohaContext *kctx, kStmt *stmt)
{
return SUGAR kStmt_GetBlock(kctx, stmt, NULL, KW_BlockPattern, K_NULLBLOCK);
}
