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Implement input(prompt) #2655

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Implement input(prompt) #2655

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cf4b012
Implement `input(prompt)`
kmr-srbh Apr 16, 2024
be8f4a3
Merge branch 'main' into input
kmr-srbh Apr 25, 2024
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28 changes: 28 additions & 0 deletions src/lpython/semantics/python_ast_to_asr.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7710,6 +7710,34 @@ we will have to use something else.
tmp = ASR::make_Print_t(al, x.base.base.loc,
args_expr.p, args_expr.size(), separator, end);
return;
} else if (call_name == "input") {
args.reserve(al, x.n_args);
visit_expr_list(x.m_args, x.n_args, args);
Vec<ASR::expr_t*> args_expr = ASRUtils::call_arg2expr(al, args);

if (args_expr.n > 1) {
throw SemanticError("input() expected at most 1 argument, got "
+ std::to_string(args.n), x.base.base.loc);
}

Vec<ASR::expr_t*> read_values;
read_values.reserve(al, 1);
read_values.push_back(al, assign_asr_target);

ASRUtils::ASRBuilder b(al, x.base.base.loc);
std::string empty_char = "";
ASR::ttype_t* empty_char_type = ASRUtils::TYPE(ASR::make_Character_t(
al, x.base.base.loc, 1, empty_char.length(), nullptr));

tmp_vec.push_back(ASR::make_Print_t(
al, x.base.base.loc, args_expr.p, args_expr.size(), nullptr,
b.StringConstant(empty_char, empty_char_type)));
tmp_vec.push_back(ASR::make_FileRead_t(
al, x.base.base.loc, 0, nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr, read_values.p, read_values.n, nullptr));

tmp = nullptr;
return;
} else if (call_name == "quit") {
parse_args(x, args);
ASR::expr_t *code;
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