| private EmitJump ( Instruction instruction ) : int | ||
| instruction | Instruction | |
| 리턴 | int | |
static void or_(Compiler c, bool allowAssignment)
{
c.IgnoreNewlines();
// Skip the right argument if the left is true.
int jump = c.EmitJump(Instruction.OR);
c.ParsePrecedence(false, Precedence.LogicalOr);
c.PatchJump(jump);
}
private static void Conditional(Compiler c, bool allowAssignment)
{
// Ignore newline after '?'.
c.IgnoreNewlines();
// Jump to the else branch if the condition is false.
int ifJump = c.EmitJump(Instruction.JUMP_IF);
// Compile the then branch.
c.ParsePrecedence(allowAssignment, Precedence.Ternary);
c.Consume(TokenType.Colon, "Expect ':' after then branch of conditional operator.");
c.IgnoreNewlines();
// Jump over the else branch when the if branch is taken.
int elseJump = c.EmitJump(Instruction.JUMP);
// Compile the else branch.
c.PatchJump(ifJump);
c.ParsePrecedence(allowAssignment, Precedence.Assignment);
// Patch the jump over the else.
c.PatchJump(elseJump);
}
private static void and_(Compiler c, bool allowAssignment)
{
c.IgnoreNewlines();
// Skip the right argument if the left is false.
int jump = c.EmitJump(Instruction.AND);
c.ParsePrecedence(false, Precedence.PREC_LOGICAL_AND);
c.PatchJump(jump);
}