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Improve creation of compile constants for equals and compareTo

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This commit is contained in:
Natalia Ukhorskaya
2013-11-18 15:07:08 +04:00
parent cbe04a6adf
commit 0bffa9f0ac
1 changed files with 8 additions and 19 deletions
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compiler/frontend/src/org/jetbrains/jet/lang/evaluate/ConstantExpressionEvaluator.kt
+8 -19
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@@ -282,8 +282,8 @@ public class ConstantExpressionEvaluator private (val trace: BindingTrace) : Jet
private fun createCompileTimeConstantForEquals(result: Any?, operationToken: IElementType): CompileTimeConstant<*>? {
if (result is Boolean) {
return when (operationToken) {
JetTokens.EQEQ -> if (result) BooleanValue.TRUE else BooleanValue.FALSE
JetTokens.EXCLEQ -> if (result) BooleanValue.FALSE else BooleanValue.TRUE
JetTokens.EQEQ -> BooleanValue.valueOf(result)
JetTokens.EXCLEQ -> BooleanValue.valueOf(!result)
else -> throw IllegalStateException("Unknown equals operation token: $operationToken")
}
}
@@ -292,23 +292,12 @@ private fun createCompileTimeConstantForEquals(result: Any?, operationToken: IEl
private fun createCompileTimeConstantForCompareTo(result: Any?, operationToken: IElementType): CompileTimeConstant<*>? {
if (result is Int) {
return when (result) {
-1 -> when (operationToken) {
JetTokens.LT -> BooleanValue.TRUE
JetTokens.LTEQ -> BooleanValue.TRUE
else -> BooleanValue.FALSE
}
0 -> when (operationToken) {
JetTokens.LTEQ -> BooleanValue.TRUE
JetTokens.GTEQ -> BooleanValue.TRUE
else -> BooleanValue.FALSE
}
1 -> when (operationToken) {
JetTokens.GT -> BooleanValue.TRUE
JetTokens.GTEQ -> BooleanValue.TRUE
else -> BooleanValue.FALSE
}
else -> null
return when (operationToken) {
JetTokens.LT -> BooleanValue.valueOf(result < 0)
JetTokens.LTEQ -> BooleanValue.valueOf(result <= 0)
JetTokens.GT -> BooleanValue.valueOf(result > 0)
JetTokens.GTEQ -> BooleanValue.valueOf(result >= 0)
else -> throw IllegalStateException("Unknown compareTo operation token: $operationToken")
}
}
return null