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error on escaped backticks

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zawz 2021-03-05 16:25:43 +01:00
parent 0c2f80ea92
commit a4d87c8165
1 changed files with 2 additions and 0 deletions
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2
src/parse.cpp
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@ -340,6 +340,8 @@ void do_one_subarg_step(arg* ret, const char* in, uint32_t size, uint32_t& i, ui
uint32_t k=skip_until(in, size, i, "`"); uint32_t k=skip_until(in, size, i, "`");
if(k>=size) if(k>=size)
throw PARSE_ERROR("Expecting '`'", i-1); throw PARSE_ERROR("Expecting '`'", i-1);
if(in[k-1] == '\\' && in[k-2] != '\\')
throw PARSE_ERROR("Escaping backticks is not supported", k);
// get subshell // get subshell
auto r=parse_list_until(in, k, i, 0); auto r=parse_list_until(in, k, i, 0);
ret->add(new subshell_subarg(new subshell(r.first), is_quoted)); ret->add(new subshell_subarg(new subshell(r.first), is_quoted));