@bitloops/bl-transpiler/lib/esm/src/ast/core/BitloopsVisitor/metadata.js

The one and only Bitloops Language transpiler

export const produceMetadata = (ctx, visitor) => {
    const { start, stop } = ctx;
    let stopColumn;
    // For lexer tokens start.column and stop.column are the same at ctx,
    // but stop.stop and start.start are different (these are characters' indexes)
    // if (start.column == stop.column) we use the difference of the indexes to find the stop column
    // (lexer token is only a word, so it will be in the same line)
    if (start.line === stop.line && start.column === stop.column)
        stopColumn = stop.column + stop.stop - start.start + 1;
    else
        stopColumn = stop.column;
    const metadata = {
        start: {
            line: start.line,
            column: start.column + 1, // +1 because antlr4 starts counting columns from 0
        },
        end: {
            line: stop.line,
            column: stopColumn + 1, // +1 because antlr4 starts counting columns from 0
        },
        fileId: visitor.currentFile,
    };
    return metadata;
};
export const produceMetadataFromTo = (from, to) => {
    const metadata = {
        start: from?.start,
        end: to?.end,
        fileId: from?.fileId,
    };
    return metadata;
};
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