Examples with ChangedFile boa.types.Diff.ChangedFile used on opensource projects

Example 1 with ChangedFile

use of boa.types.Diff.ChangedFile in project compiler by boalang.

the class BoaAstIntrinsics method getast.

/**
	 * Given a ChangedFile, return the AST for that file at that revision.
	 *
	 * @param f the ChangedFile to get a snapshot of the AST for
	 * @return the AST, or an empty AST on any sort of error
	 */
@SuppressWarnings("unchecked")
@FunctionSpec(name = "getast", returnType = "ASTRoot", formalParameters = { "ChangedFile" })
public static ASTRoot getast(final ChangedFile f) {
    // since we know only certain kinds have ASTs, filter before looking up
    final ChangedFile.FileKind kind = f.getKind();
    if (kind != ChangedFile.FileKind.SOURCE_JAVA_ERROR && kind != ChangedFile.FileKind.SOURCE_JAVA_JLS2 && kind != ChangedFile.FileKind.SOURCE_JAVA_JLS3 && kind != ChangedFile.FileKind.SOURCE_JAVA_JLS4 && kind != ChangedFile.FileKind.SOURCE_JAVA_JLS8)
        return emptyAst;
    context.getCounter(AST_COUNTER.GETS_ATTEMPTED).increment(1);
    final String rowName = f.getKey() + "!!" + f.getName();
    if (map == null)
        openMap();
    try {
        final BytesWritable value = new BytesWritable();
        if (map.get(new Text(rowName), value) == null) {
            context.getCounter(AST_COUNTER.GETS_FAIL_MISSING).increment(1);
        } else {
            final CodedInputStream _stream = CodedInputStream.newInstance(value.getBytes(), 0, value.getLength());
            // defaults to 64, really big ASTs require more
            _stream.setRecursionLimit(Integer.MAX_VALUE);
            final ASTRoot root = ASTRoot.parseFrom(_stream);
            context.getCounter(AST_COUNTER.GETS_SUCCEED).increment(1);
            return root;
        }
    } catch (final InvalidProtocolBufferException e) {
        e.printStackTrace();
        context.getCounter(AST_COUNTER.GETS_FAIL_BADPROTOBUF).increment(1);
    } catch (final IOException e) {
        e.printStackTrace();
        context.getCounter(AST_COUNTER.GETS_FAIL_MISSING).increment(1);
    } catch (final RuntimeException e) {
        e.printStackTrace();
        context.getCounter(AST_COUNTER.GETS_FAIL_MISSING).increment(1);
    } catch (final Error e) {
        e.printStackTrace();
        context.getCounter(AST_COUNTER.GETS_FAIL_BADPROTOBUF).increment(1);
    }
    System.err.println("error with ast: " + rowName);
    context.getCounter(AST_COUNTER.GETS_FAILED).increment(1);
    return emptyAst;
}

Example 2 with ChangedFile

use of boa.types.Diff.ChangedFile in project compiler by boalang.

the class BoaAstIntrinsics method getcomments.

/**
	 * Given a ChangedFile, return the comments for that file at that revision.
	 *
	 * @param f the ChangedFile to get a snapshot of the comments for
	 * @return the comments list, or an empty list on any sort of error
	 */
@FunctionSpec(name = "getcomments", returnType = "CommentsRoot", formalParameters = { "ChangedFile" })
public static CommentsRoot getcomments(final ChangedFile f) {
    // since we know only certain kinds have comments, filter before looking up
    final ChangedFile.FileKind kind = f.getKind();
    if (kind != ChangedFile.FileKind.SOURCE_JAVA_ERROR && kind != ChangedFile.FileKind.SOURCE_JAVA_JLS2 && kind != ChangedFile.FileKind.SOURCE_JAVA_JLS3 && kind != ChangedFile.FileKind.SOURCE_JAVA_JLS4 && kind != ChangedFile.FileKind.SOURCE_JAVA_JLS8)
        return emptyComments;
    final String rowName = f.getKey() + "!!" + f.getName();
    if (commentsMap == null)
        openCommentMap();
    try {
        final BytesWritable value = new BytesWritable();
        if (commentsMap.get(new Text(rowName), value) != null) {
            final CodedInputStream _stream = CodedInputStream.newInstance(value.getBytes(), 0, value.getLength());
            final CommentsRoot root = CommentsRoot.parseFrom(_stream);
            return root;
        }
    } catch (final InvalidProtocolBufferException e) {
        e.printStackTrace();
    } catch (final IOException e) {
        e.printStackTrace();
    } catch (final RuntimeException e) {
        e.printStackTrace();
    } catch (final Error e) {
        e.printStackTrace();
    }
    System.err.println("error with comments: " + rowName);
    return emptyComments;
}