56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/* file reader.hpp
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*
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* author: Roland Conybeare, Aug 2024
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*/
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#pragma once
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#include "parser.hpp"
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#include "xo/tokenizer/tokenizer.hpp"
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namespace xo {
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namespace scm {
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/**
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* Use:
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* @code
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* reader rdr;
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*
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* bool eof = false;
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* while (!eof) {
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* auto input = ins.read_some();
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* // eof: true if no more input will be forthcoming from this stream
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* eof = ins.eof();
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*
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* for (auto rem = input; ; !rem.empty()) {
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* // res: (parsed-expr, used)
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* auto res = rdr.read_expr(rem, eof);
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*
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* if (res.first) {
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* // do something with res.first (parsed expr)
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* ...
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* }
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*
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* rem = rem.suffix_after(res.second);
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* }
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* }
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*
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* // expect !rdr.has_prefix()
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*
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* @endcode
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**/
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class reader {
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public:
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reader() = default;
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private:
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/** tokenizer: text -> tokens **/
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tokenizer tokenizer_;
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/** parser: tokens -> expressions (TODO: reanme ->reader) **/
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parser parser_;
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};
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} /*namespace scm*/
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} /*namespace xo*/
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/* end Repl.hpp */
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