private void verifyCompilePhase(AnnotationNode annotation, Class<?> klass) {
GroovyASTTransformation transformationClass =
klass.getAnnotation(GroovyASTTransformation.class);
if (transformationClass != null) {
CompilePhase specifiedCompilePhase = transformationClass.phase();
if (specifiedCompilePhase.getPhaseNumber()
< CompilePhase.SEMANTIC_ANALYSIS.getPhaseNumber()) {
source
.getErrorCollector()
.addError(
new SimpleMessage(
annotation.getClassNode().getName()
+ " is defined to be run in compile phase "
+ specifiedCompilePhase
+ ". Local AST transformations must run in "
+ CompilePhase.SEMANTIC_ANALYSIS
+ " or later!",
source));
}
} else {
source
.getErrorCollector()
.addError(
new SimpleMessage(
"AST transformation implementation classes must be annotated with "
+ GroovyASTTransformation.class.getName()
+ ". "
+ klass.getName()
+ " lacks this annotation.",
source));
}
}
private static void addPhaseOperationsForGlobalTransforms(
CompilationUnit compilationUnit, Map<String, URL> transformNames, boolean isFirstScan) {
GroovyClassLoader transformLoader = compilationUnit.getTransformLoader();
for (Map.Entry<String, URL> entry : transformNames.entrySet()) {
try {
Class gTransClass = transformLoader.loadClass(entry.getKey(), false, true, false);
// no inspection unchecked
GroovyASTTransformation transformAnnotation =
(GroovyASTTransformation) gTransClass.getAnnotation(GroovyASTTransformation.class);
if (transformAnnotation == null) {
compilationUnit
.getErrorCollector()
.addWarning(
new WarningMessage(
WarningMessage.POSSIBLE_ERRORS,
"Transform Class "
+ entry.getKey()
+ " is specified as a global transform in "
+ entry.getValue().toExternalForm()
+ " but it is not annotated by "
+ GroovyASTTransformation.class.getName()
+ " the global transform associated with it may fail and cause the compilation to fail.",
null,
null));
continue;
}
if (ASTTransformation.class.isAssignableFrom(gTransClass)) {
final ASTTransformation instance = (ASTTransformation) gTransClass.newInstance();
if (instance instanceof CompilationUnitAware) {
((CompilationUnitAware) instance).setCompilationUnit(compilationUnit);
}
CompilationUnit.SourceUnitOperation suOp =
new CompilationUnit.SourceUnitOperation() {
public void call(SourceUnit source) throws CompilationFailedException {
instance.visit(new ASTNode[] {source.getAST()}, source);
}
};
if (isFirstScan) {
compilationUnit.addPhaseOperation(suOp, transformAnnotation.phase().getPhaseNumber());
} else {
compilationUnit.addNewPhaseOperation(
suOp, transformAnnotation.phase().getPhaseNumber());
}
} else {
compilationUnit
.getErrorCollector()
.addError(
new SimpleMessage(
"Transform Class "
+ entry.getKey()
+ " specified at "
+ entry.getValue().toExternalForm()
+ " is not an ASTTransformation.",
null));
}
} catch (Exception e) {
compilationUnit
.getErrorCollector()
.addError(
new SimpleMessage(
"Could not instantiate global transform class "
+ entry.getKey()
+ " specified at "
+ entry.getValue().toExternalForm()
+ " because of exception "
+ e.toString(),
null));
}
}
}