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体验新版 GitCode,发现更多精彩内容 >>
提交
6c1bda7f
编写于
4月 08, 2011
作者:
D
Dmitry Jemerov
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差异文件
generate boolean not
上级
5bebb848
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
63 addition
and
8 deletion
+63
-8
idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
+11
-0
idea/src/org/jetbrains/jet/codegen/StackValue.java
idea/src/org/jetbrains/jet/codegen/StackValue.java
+38
-8
idea/tests/org/jetbrains/jet/codegen/NamespaceGenTest.java
idea/tests/org/jetbrains/jet/codegen/NamespaceGenTest.java
+14
-0
未找到文件。
idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
浏览文件 @
6c1bda7f
...
...
@@ -643,6 +643,10 @@ public class ExpressionCodegen extends JetVisitor {
if
(
isNumberPrimitive
(
cls
))
{
if
(
generateUnaryOp
(
op
,
asmType
,
expression
.
getBaseExpression
()))
return
;
}
else
if
(
isClass
(
cls
,
"Boolean"
)
&&
op
.
getName
().
equals
(
"not"
))
{
generateNot
(
expression
);
return
;
}
}
throw
new
UnsupportedOperationException
(
"Don't know how to generate this prefix expression"
);
}
...
...
@@ -680,6 +684,13 @@ public class ExpressionCodegen extends JetVisitor {
return
false
;
}
private
void
generateNot
(
JetPrefixExpression
expression
)
{
int
oldStackSize
=
myStack
.
size
();
gen
(
expression
.
getBaseExpression
());
assert
myStack
.
size
()
==
oldStackSize
+
1
;
myStack
.
set
(
myStack
.
size
()-
1
,
StackValue
.
not
(
myStack
.
get
(
myStack
.
size
()
-
1
)));
}
private
int
generateIncrement
(
DeclarationDescriptor
op
,
Type
asmType
,
JetExpression
operand
)
{
if
(!(
operand
instanceof
JetReferenceExpression
))
{
throw
new
UnsupportedOperationException
(
"cannot increment or decrement a non-lvalue"
);
...
...
idea/src/org/jetbrains/jet/codegen/StackValue.java
浏览文件 @
6c1bda7f
...
...
@@ -36,6 +36,10 @@ public abstract class StackValue {
return
new
NumberCompare
(
opToken
);
}
public
static
StackValue
not
(
StackValue
stackValue
)
{
return
new
Invert
(
stackValue
);
}
public
abstract
void
condJump
(
Label
label
,
boolean
jumpIfFalse
,
InstructionAdapter
v
);
private
static
void
box
(
final
Type
type
,
InstructionAdapter
v
)
{
...
...
@@ -74,6 +78,17 @@ public abstract class StackValue {
}
}
protected
void
putAsBoolean
(
InstructionAdapter
v
)
{
Label
ifTrue
=
new
Label
();
Label
end
=
new
Label
();
condJump
(
ifTrue
,
false
,
v
);
v
.
iconst
(
0
);
v
.
goTo
(
end
);
v
.
mark
(
ifTrue
);
v
.
iconst
(
1
);
v
.
mark
(
end
);
}
public
static
class
Local
extends
StackValue
{
private
final
int
index
;
...
...
@@ -168,14 +183,7 @@ public abstract class StackValue {
if
(
type
!=
Type
.
BOOLEAN_TYPE
)
{
throw
new
UnsupportedOperationException
(
"don't know how to put a compare as a non-boolean type"
);
}
Label
ifTrue
=
new
Label
();
Label
end
=
new
Label
();
condJump
(
ifTrue
,
false
,
v
);
v
.
iconst
(
0
);
v
.
goTo
(
end
);
v
.
mark
(
ifTrue
);
v
.
iconst
(
1
);
v
.
mark
(
end
);
putAsBoolean
(
v
);
}
@Override
...
...
@@ -219,4 +227,26 @@ public abstract class StackValue {
v
.
visitJumpInsn
(
opcode
,
label
);
}
}
private
static
class
Invert
extends
StackValue
{
private
StackValue
myOperand
;
private
Invert
(
StackValue
operand
)
{
super
(
operand
.
type
);
myOperand
=
operand
;
}
@Override
public
void
put
(
Type
type
,
InstructionAdapter
v
)
{
if
(
type
!=
Type
.
BOOLEAN_TYPE
)
{
throw
new
UnsupportedOperationException
(
"don't know how to put a compare as a non-boolean type"
);
}
putAsBoolean
(
v
);
}
@Override
public
void
condJump
(
Label
label
,
boolean
jumpIfFalse
,
InstructionAdapter
v
)
{
myOperand
.
condJump
(
label
,
!
jumpIfFalse
,
v
);
}
}
}
idea/tests/org/jetbrains/jet/codegen/NamespaceGenTest.java
浏览文件 @
6c1bda7f
...
...
@@ -437,6 +437,20 @@ public class NamespaceGenTest extends LightCodeInsightFixtureTestCase {
assertEquals
(
6L
,
main
.
invoke
(
null
,
2L
));
}
public
void
testBooleanNot
()
throws
Exception
{
loadText
(
"fun foo(b: Boolean): Boolean = !b"
);
final
Method
main
=
generateFunction
();
assertEquals
(
true
,
main
.
invoke
(
null
,
false
));
assertEquals
(
false
,
main
.
invoke
(
null
,
true
));
}
public
void
testBooleanNotJump
()
throws
Exception
{
loadText
(
"fun foo(a: Int) : Int = if (!(a < 5)) a else 0"
);
final
Method
main
=
generateFunction
();
assertEquals
(
6
,
main
.
invoke
(
null
,
6
));
assertEquals
(
0
,
main
.
invoke
(
null
,
4
));
}
private
void
binOpTest
(
final
String
text
,
final
Object
arg1
,
final
Object
arg2
,
final
Object
expected
)
throws
Exception
{
loadText
(
text
);
System
.
out
.
println
(
generateToText
());
...
...
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