48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
#pragma once
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#include <string>
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#include "machine.h"
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#include "katom.h"
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enum class eval_t {
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shell,
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python,
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cpp,
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};
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class Eval
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{
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public:
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explicit Eval(Machine& machine, const Locator& loc)
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: m_machine(machine),
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m_loc(loc)
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{};
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Eval(const Eval&) = delete;
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Eval& operator=(const Eval&) = delete;
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//~Eval_cpp();
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std::vector<Katom> eval(
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std::vector<Katom>::iterator begin, std::vector<Katom>::iterator end);
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// Dispatch the @eval command (python/shell/haskell/cpp) and return its
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// raw string result, without re-reading it as Klammertext. Used by
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// :after_apply phase functions, whose input and output are final target
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// text -- re-katomizing it would misparse target characters (a "@" in
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// justified txt output) as Klammertext syntax.
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std::string eval_command(
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std::vector<Katom>::iterator begin, std::vector<Katom>::iterator end);
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Machine m_machine;
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Locator m_loc;
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};
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// The Python exception the last fetch saw (Eval_python::fetch_python_exception):
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// its type name and its str(). The Error that fetch produces carries the
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// whole traceback; a caller that wants the exception's OWN words for a
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// headline -- Machine::run_phase_functions, reporting a phase's ValueError
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// as the phase's message about the document -- reads these. Declared here
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// so machine.cpp needs no Python header. (TODO 77, 2026-10-13)
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std::string last_python_exception_type();
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std::string last_python_exception_text();
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