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53 lines (47 loc) · 1.78 KB
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Copy pathparser.cpp
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53 lines (47 loc) · 1.78 KB
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#include <ast_builder.h>
#include <attachment_event.h>
#include <builder.h>
#include <parser.h>
#include <string_token_scanner.h>
#include <array>
#include <cstdio>
#include <stdexcept>
#include "fmem.h"
#include "parser.hpp"
namespace gherkin {
inline namespace v1 {
parser::parser(const std::wstring &language)
: language_{language}, token_matcher_{TokenMatcher_new(language_.c_str()), TokenMatcher_delete},
builder_{AstBuilder_new(), AstBuilder_delete},
parser_{Parser_new(builder_.get()), Parser_delete} {}
std::unique_ptr<const GherkinDocument, void (*)(const GherkinDocument *)>
parser::parse(const std::wstring &feature) {
std::unique_ptr<TokenScanner, void (*)(TokenScanner *)>
token_scanner{StringTokenScanner_new(feature.c_str()), StringTokenScanner_delete};
if (Parser_parse(parser_.get(), token_matcher_.get(), token_scanner.get())) {
const auto name = std::string{feature.begin(), feature.end()};
fmem fm{};
fmem_init(&fm);
const auto buffer = fmem_open(&fm, "w");
while (Parser_has_more_errors(parser_.get())) {
fseek(buffer, 0, SEEK_SET);
const auto error = Parser_next_error(parser_.get());
const auto attachment_event = AttachmentEvent_new(name.c_str(), error->location);
AttacnmentEvent_transfer_error_text(attachment_event, error);
Event_print(reinterpret_cast<Event *>(attachment_event), buffer);
fflush(buffer);
Event_delete(reinterpret_cast<Event *>(attachment_event));
Error_delete(error);
}
void* base{};
std::size_t size{};
fmem_mem(&fm, &base, &size);
std::string err{reinterpret_cast<char*>(base), size};
fclose(buffer);
fmem_term(&fm);
throw parsing_error{err};
}
return {AstBuilder_get_result(builder_.get()), GherkinDocument_delete};
}
} // v1
} // gherkin