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3ce9b05653
tree-sitter/tree-sitter commit 6cb8d24de2d99c4c50c9a0fd1e719ca5b3abc87f Included files are: lib/include/tree-sitter/*.h lib/src/*.[ch] lib/src/unicode/* LICENSE
30 lines
541 B
C
30 lines
541 B
C
#ifndef TREE_SITTER_BITS_H_
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#define TREE_SITTER_BITS_H_
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#include <stdint.h>
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static inline uint32_t bitmask_for_index(uint16_t id) {
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return (1u << (31 - id));
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}
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#if defined _WIN32 && !defined __GNUC__
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#include <intrin.h>
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static inline uint32_t count_leading_zeros(uint32_t x) {
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if (x == 0) return 32;
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uint32_t result;
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_BitScanReverse(&result, x);
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return 31 - result;
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}
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#else
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static inline uint32_t count_leading_zeros(uint32_t x) {
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if (x == 0) return 32;
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return __builtin_clz(x);
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}
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#endif
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#endif // TREE_SITTER_BITS_H_
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