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Add bit-shifting ops to ast_util::eval_const_expr

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Closes #1659
This commit is contained in:
Marijn Haverbeke 2012-01-25 13:19:32 +01:00
parent edd86126f7
commit 2f0f6c782a
1 changed files with 4 additions and 0 deletions
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4
src/comp/syntax/ast_util.rs
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@ -265,6 +265,8 @@ fn eval_const_expr(e: @expr) -> const_val {
mul { const_int(a * b) } div { const_int(a / b) }
rem { const_int(a % b) } and | bitand { const_int(a & b) }
or | bitor { const_int(a | b) } bitxor { const_int(a ^ b) }
lsl { const_int(a << b) } lsr { const_int(a >> b) }
asr { const_int(a >>> b) }
eq { fromb(a == b) } lt { fromb(a < b) }
le { fromb(a <= b) } ne { fromb(a != b) }
ge { fromb(a >= b) } gt { fromb(a > b) }
@ -276,6 +278,8 @@ fn eval_const_expr(e: @expr) -> const_val {
mul { const_uint(a * b) } div { const_uint(a / b) }
rem { const_uint(a % b) } and | bitand { const_uint(a & b) }
or | bitor { const_uint(a | b) } bitxor { const_uint(a ^ b) }
lsl { const_int(a << b as i64) } lsr { const_int(a >> b as i64) }
asr { const_int(a >>> b as i64) }
eq { fromb(a == b) } lt { fromb(a < b) }
le { fromb(a <= b) } ne { fromb(a != b) }
ge { fromb(a >= b) } gt { fromb(a > b) }