Esempio n. 1
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def test__templated_file_templated_slice_to_source_slice(
        in_slice, out_slice, is_literal, file_slices, raw_slices):
    """Test TemplatedFile.templated_slice_to_source_slice."""
    file = TemplatedFile(source_str="Dummy String",
                         sliced_file=file_slices,
                         raw_sliced=raw_slices)
    source_slice = file.templated_slice_to_source_slice(in_slice)
    literal_test = file.is_source_slice_literal(source_slice)
    assert (is_literal, source_slice) == (literal_test, out_slice)
Esempio n. 2
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def test__templated_file_templated_slice_to_source_slice(
        in_slice, out_slice, is_literal, file_slices, raw_slices):
    """Test TemplatedFile.templated_slice_to_source_slice."""
    file = TemplatedFile(
        source_str="Dummy String",
        sliced_file=file_slices,
        raw_sliced=[
            rs if isinstance(rs, RawFileSlice) else RawFileSlice(*rs)
            for rs in raw_slices
        ],
        fname="test",
    )
    source_slice = file.templated_slice_to_source_slice(in_slice)
    literal_test = file.is_source_slice_literal(source_slice)
    assert (is_literal, source_slice) == (literal_test, out_slice)
Esempio n. 3
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    def enrich_segments(
        segment_buff: Tuple[BaseSegment, ...], templated_file: TemplatedFile
    ) -> Tuple[BaseSegment, ...]:
        """Enrich the segments using the templated file.

        We use the mapping in the template to provide positions
        in the source file.
        """
        # Make a new buffer to hold the enriched segments.
        # We need a new buffer to hold the new meta segments
        # introduced.
        new_segment_buff = []
        # Get the templated slices to re-insert tokens for them
        source_only_slices = templated_file.source_only_slices()

        lexer_logger.info(
            "Enriching Segments. Source-only slices: %s", source_only_slices
        )

        for segment in segment_buff:
            templated_slice = slice(
                segment.pos_marker.char_pos,
                segment.pos_marker.char_pos + len(segment.raw),
            )
            source_slice = templated_file.templated_slice_to_source_slice(
                templated_slice
            )

            # At this stage, templated slices will be INCLUDED in the source slice,
            # so we should consider whether we've captured any. If we have then
            # we need to re-evaluate whether it's a literal or not.

            for source_only_slice in source_only_slices:
                if source_only_slice.source_idx > source_slice.start:
                    break
                elif source_only_slice.source_idx == source_slice.start:
                    lexer_logger.debug(
                        "Found templated section! %s, %s, %s",
                        source_only_slice.source_slice(),
                        source_only_slice.slice_type,
                        templated_slice.start,
                    )
                    # Adjust the source slice accordingly.
                    source_slice = slice(
                        source_only_slice.end_source_idx(), source_slice.stop
                    )

                    # Add segments as appropriate.
                    # If it's a block end, add a dedent.
                    if source_only_slice.slice_type in ("block_end", "block_mid"):
                        new_segment_buff.append(
                            Dedent.when(template_blocks_indent=True)(
                                pos_marker=segment.pos_marker
                            )
                        )
                    # Always add a placeholder
                    new_segment_buff.append(
                        TemplateSegment(
                            pos_marker=segment.pos_marker,
                            source_str=source_only_slice.raw,
                            block_type=source_only_slice.slice_type,
                        )
                    )
                    # If it's a block end, add a dedent.
                    if source_only_slice.slice_type in ("block_start", "block_mid"):
                        new_segment_buff.append(
                            Indent.when(template_blocks_indent=True)(
                                pos_marker=segment.pos_marker
                            )
                        )

            source_line, source_pos = templated_file.get_line_pos_of_char_pos(
                source_slice.start
            )

            # Recalculate is_literal
            is_literal = templated_file.is_source_slice_literal(source_slice)

            segment.pos_marker = EnrichedFilePositionMarker(
                statement_index=segment.pos_marker.statement_index,
                line_no=segment.pos_marker.line_no,
                line_pos=segment.pos_marker.line_pos,
                char_pos=segment.pos_marker.char_pos,
                templated_slice=templated_slice,
                source_slice=source_slice,
                is_literal=is_literal,
                source_pos_marker=FilePositionMarker(
                    segment.pos_marker.statement_index,
                    source_line,
                    source_pos,
                    source_slice.start,
                ),
            )
            new_segment_buff.append(segment)

        lexer_logger.debug("Enriched Segments:")
        for seg in new_segment_buff:
            lexer_logger.debug(
                "\tTmp: %s\tSrc: %s\tSeg: %s",
                getattr(seg.pos_marker, "templated_slice", None),
                getattr(seg.pos_marker, "source_slice", None),
                seg,
            )

        return tuple(new_segment_buff)