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60 lines
1.3 KiB
60 lines
1.3 KiB
/* |
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* Copyright (C) 2023 Riyyi |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#include "blaze/ast.h" |
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#include "blaze/env/macro.h" |
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#include "blaze/error.h" |
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#include "blaze/forward.h" |
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#include "blaze/util.h" |
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namespace blaze { |
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void Environment::loadMeta() |
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{ |
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// (meta [1 2 3]) |
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ADD_FUNCTION( |
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"meta", |
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"", |
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"", |
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{ |
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CHECK_ARG_COUNT_IS("meta", SIZE(), 1); |
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auto front = *begin; |
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Value* front_raw_ptr = begin->get(); |
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if (!is<Collection>(front_raw_ptr) && // List / Vector |
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!is<HashMap>(front_raw_ptr) && // HashMap |
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!is<Callable>(front_raw_ptr)) { // Function / Lambda |
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Error::the().add(::format("wrong argument type: Collection, HashMap or Callable, {}", front)); |
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return nullptr; |
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} |
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return front->meta(); |
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}); |
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// (with-meta [1 2 3] "some metadata") |
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ADD_FUNCTION( |
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"with-meta", |
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"", |
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"", |
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{ |
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CHECK_ARG_COUNT_IS("with-meta", SIZE(), 2); |
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auto front = *begin; |
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Value* front_raw_ptr = begin->get(); |
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if (!is<Collection>(front_raw_ptr) && // List / Vector |
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!is<HashMap>(front_raw_ptr) && // HashMap |
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!is<Callable>(front_raw_ptr)) { // Function / Lambda |
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Error::the().add(::format("wrong argument type: Collection, HashMap or Callable, {}", front)); |
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return nullptr; |
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} |
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return front->withMeta(*(begin + 1)); |
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}); |
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} |
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} // namespace blaze
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