2169c45da9
This improves test coverage for incremental parsing by generalizing the randomized tests in `real_grammars.cc` to make *multiple* edits before incrementally re-parsing.
38 lines
915 B
C++
38 lines
915 B
C++
#ifndef HELPERS_SPY_INPUT_H_
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#define HELPERS_SPY_INPUT_H_
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#include <string>
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#include <vector>
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#include "tree_sitter/runtime.h"
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struct SpyInputEdit {
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size_t start_byte;
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size_t bytes_removed;
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std::string text_inserted;
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};
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class SpyInput {
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char *buffer;
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std::vector<SpyInputEdit> undo_stack;
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static const char *read(void *, uint32_t, TSPoint, uint32_t *);
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std::pair<std::string, TSPoint> swap_substr(size_t, size_t, std::string);
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public:
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SpyInput(std::string content, size_t chars_per_chunk);
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~SpyInput();
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TSInput input();
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void clear();
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TSInputEdit replace(size_t start_char, size_t chars_removed, std::string text);
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bool can_undo() const;
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TSInputEdit undo();
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std::vector<std::string> strings_read() const;
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uint32_t chars_per_chunk;
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std::string content;
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TSInputEncoding encoding;
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std::vector<std::pair<uint32_t, uint32_t>> ranges_read;
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};
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#endif // HELPERS_SPY_INPUT_H_
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