-
-
Notifications
You must be signed in to change notification settings - Fork 938
Expand file tree
/
Copy pathBlockJITTask.java
More file actions
119 lines (102 loc) · 4.91 KB
/
BlockJITTask.java
File metadata and controls
119 lines (102 loc) · 4.91 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
/*
**** BEGIN LICENSE BLOCK *****
* Version: EPL 2.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse Public
* License Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/epl-v20.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the EPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the EPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby.compiler;
import org.jruby.Ruby;
import org.jruby.ast.util.SexpMaker;
import org.jruby.ir.IRClosure;
import org.jruby.ir.IRMethod;
import org.jruby.ir.targets.JVMVisitor;
import org.jruby.ir.targets.JVMVisitorMethodContext;
import org.jruby.parser.StaticScope;
import org.jruby.runtime.ArgumentDescriptor;
import org.jruby.runtime.CompiledIRBlockBody;
import org.jruby.runtime.MixedModeIRBlockBody;
import org.jruby.runtime.ThreadContext;
import static org.jruby.compiler.MethodJITTask.*;
class BlockJITTask extends JITCompiler.Task {
private final String className;
private final MixedModeIRBlockBody body;
private final String blockId;
private final String methodName;
public BlockJITTask(JITCompiler jitCompiler, MixedModeIRBlockBody body, String className) {
super(jitCompiler);
this.body = body;
this.className = className;
this.blockId = body.getName();
IRMethod method = body.getIRScope().getNearestMethod();
this.methodName = method != null ? method.getByteName().toString() : null;
}
@Override
public void exec(ThreadContext context) throws NoSuchMethodException, IllegalAccessException {
// Check if the method has been explicitly excluded
String excludeModuleName = checkExcludedMethod(jitCompiler.config, className, methodName, body);
if (excludeModuleName != null) {
body.setCallCount(-1);
if (jitCompiler.config.isJitLogging()) {
JITCompiler.log(context, body, blockId, "skipping block in " + excludeModuleName);
}
return;
}
IRClosure closure = body.getScope();
StaticScope scope = closure.getStaticScope();
final String key = SexpMaker.sha1(closure);
final Ruby runtime = jitCompiler.runtime;
JVMVisitor visitor = JVMVisitor.newForJIT(runtime);
BlockJITClassGenerator generator = new BlockJITClassGenerator(className, blockId, key, runtime, body, visitor);
JVMVisitorMethodContext methodContext = new JVMVisitorMethodContext();
generator.compile(methodContext);
Class<?> sourceClass = defineClass(generator, visitor, closure, body.ensureInstrsReady());
if (sourceClass == null) return; // class could not be found nor generated; give up on JIT and bail out
// successfully got back a jitted body
String jittedName = methodContext.getVariableName();
// blocks only have variable-arity
body.completeBuild(context,
new CompiledIRBlockBody(
JITCompiler.PUBLIC_LOOKUP.findStatic(sourceClass, jittedName, JVMVisitor.CLOSURE_SIGNATURE.type()),
scope,
closure.getFile(),
closure.getLine(),
ArgumentDescriptor.encode(closure.getArgumentDescriptors()),
((IRClosure) body.getIRScope()).getSignature().encode()));
}
@Override
protected String getSourceFile() {
return body.getFile();
}
@Override
protected void logJitted(ThreadContext context) {
logImpl(context, "block done jitting");
}
@Override
protected void logFailed(ThreadContext context, Throwable ex) {
logImpl(context, "could not compile block; passes run: " + body.getIRScope().getExecutedPasses(), ex);
}
@Override
protected void logImpl(ThreadContext context, final String message, Object... reason) {
JITCompiler.log(context, body, blockId, message, reason);
}
}