mirrors/janet
1
0
Fork 0
mirror of https://github.com/janet-lang/janet synced 2024-11-28 11:09:54 +00:00
Code Issues 1 Releases Wiki Activity

Add a few more ast functions.

Browse Source
This commit is contained in:
bakpakin 2018-01-31 17:56:10 -05:00
parent e9c4d388c9
commit a6694e985c
1 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/core/ast.c
View File

@ -195,9 +195,35 @@ static int cfun_unwrap(DstArgs args) {
return dst_return(args, dst_ast_unwrap(args.v[0]));
}
static int cfun_wrap(DstArgs args) {
if (args.n != 1) return dst_throw(args, "expected 1 argument");
return dst_return(args, dst_ast_wrap(args.v[0], -1, -1));
}
static int cfun_node(DstArgs args) {
DstAst *ast;
Dst *tup;
int32_t start, end;
if (args.n != 1) return dst_throw(args, "expected 1 argument");
ast = dst_ast_node(args.v[0]);
if (ast) {
start = ast->source_start;
end = ast->source_end;
} else {
start = -1;
end = -1;
}
tup = dst_tuple_begin(2);
tup[0] = dst_wrap_integer(start);
tup[1] = dst_wrap_integer(end);
return dst_return(args, dst_wrap_tuple(dst_tuple_end(tup)));
}
static const DstReg cfuns[] = {
{"ast-unwrap", cfun_unwrap},
{"ast-unwrap1", cfun_unwrap1},
{"ast-wrap", cfun_wrap},
{"ast-node", cfun_node},
{NULL, NULL}
};