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C grammar for the R treesitter package.
# Install treesitter.c from GitHub
remotes::install_git("https://github.com/sounkou-bioinfo/treesitter.c")library(treesitter)
#>
#> Attaching package: 'treesitter'
#> The following object is masked from 'package:base':
#>
#> range
library(treesitter.c)
c_language <- language()
parser <- parser(c_language)
code <- "
struct Point {
int x[MAX_SIZE];
int y;
};
"
tree <- parser_parse(parser, code)
tree
#> <tree_sitter_tree>
#>
#> ── Text ─────────────────────────────────────────────────────────────────────────────────────────────────────────
#> struct Point {
#> int x[MAX_SIZE];
#> int y;
#> };
#>
#>
#> ── S-Expression ─────────────────────────────────────────────────────────────────────────────────────────────────
#> (translation_unit [(1, 0), (5, 0)]
#> (struct_specifier [(1, 0), (4, 1)]
#> "struct" [(1, 0), (1, 6)]
#> name: (type_identifier [(1, 7), (1, 12)])
#> body: (field_declaration_list [(1, 13), (4, 1)]
#> "{" [(1, 13), (1, 14)]
#> (field_declaration [(2, 2), (2, 18)]
#> type: (primitive_type [(2, 2), (2, 5)])
#> declarator: (array_declarator [(2, 6), (2, 17)]
#> declarator: (field_identifier [(2, 6), (2, 7)])
#> "[" [(2, 7), (2, 8)]
#> size: (identifier [(2, 8), (2, 16)])
#> "]" [(2, 16), (2, 17)]
#> )
#> ";" [(2, 17), (2, 18)]
#> )
#> (field_declaration [(3, 2), (3, 8)]
#> type: (primitive_type [(3, 2), (3, 5)])
#> declarator: (field_identifier [(3, 6), (3, 7)])
#> ";" [(3, 7), (3, 8)]
#> )
#> "}" [(4, 0), (4, 1)]
#> )
#> )
#> ";" [(4, 1), (4, 2)]
#> <truncated>ABI Version 14, compatible with treesitter package
version 0.3.0. The C grammar source used for bootstrapping was
downloaded from https://github.com/tree-sitter/tree-sitter-c. The
pre-generated parser.c from upstream is ~3.7 MB and
contains pragma directives that trigger CRAN check warnings.
During bootstrap (bootstrap.R), all #pragma
directives are automatically removed from parser.c to
ensure CRAN compliance. This includes pragmas for diagnostic control and
optimization settings that are not portable across compilers.
GPL-3
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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