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程式碼 問題 6 合併請求 版本發布 2 Wiki 動態

There is no fixed rule and XOR has different position in programming languages, but it has surely not higher precedence than AND and not lower than OR

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Rafal Kupiec 2018-07-12 16:15:27 +02:00
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parse.c
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@ -219,9 +219,9 @@ static const ph7_expr_op aOpTable[] = {
/* Precedence 15,left-associative */ /* Precedence 15,left-associative */
{ {"&&",sizeof(char)*2}, EXPR_OP_LAND,15, EXPR_OP_ASSOC_LEFT, PH7_OP_LAND}, { {"&&",sizeof(char)*2}, EXPR_OP_LAND,15, EXPR_OP_ASSOC_LEFT, PH7_OP_LAND},
/* Precedence 16,left-associative */ /* Precedence 16,left-associative */
{ {"||",sizeof(char)*2}, EXPR_OP_LOR, 16, EXPR_OP_ASSOC_LEFT, PH7_OP_LOR}, { {"^^",sizeof(char)*2}, EXPR_OP_LXOR, 16, EXPR_OP_ASSOC_LEFT, PH7_OP_LXOR},
/* Precedence 17,left-associative */ /* Precedence 17,left-associative */
{ {"^^",sizeof(char)*2}, EXPR_OP_LXOR, 17, EXPR_OP_ASSOC_LEFT, PH7_OP_LXOR}, { {"||",sizeof(char)*2}, EXPR_OP_LOR, 17, EXPR_OP_ASSOC_LEFT, PH7_OP_LOR},
/* Ternary operator */ /* Ternary operator */
/* Precedence 18,left-associative */ /* Precedence 18,left-associative */
{ {"?",sizeof(char)}, EXPR_OP_QUESTY, 18, EXPR_OP_ASSOC_LEFT, 0}, { {"?",sizeof(char)}, EXPR_OP_QUESTY, 18, EXPR_OP_ASSOC_LEFT, 0},