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64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
#pragma once
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#include "mold.h"
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namespace mold {
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template <typename C>
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std::vector<std::string_view>
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read_response_file(C &ctx, std::string_view path) {
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std::vector<std::string_view> vec;
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MappedFile<C> *mf = MappedFile<C>::must_open(ctx, std::string(path));
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u8 *data = mf->data;
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auto read_quoted = [&](i64 i, char quote) {
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std::string buf;
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while (i < mf->size && data[i] != quote) {
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if (data[i] == '\\') {
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buf.append(1, data[i + 1]);
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i += 2;
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} else {
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buf.append(1, data[i++]);
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}
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}
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if (i >= mf->size)
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Fatal(ctx) << path << ": premature end of input";
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vec.push_back(save_string(ctx, buf));
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return i + 1;
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};
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auto read_unquoted = [&](i64 i) {
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std::string buf;
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while (i < mf->size && !isspace(data[i]))
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buf.append(1, data[i++]);
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vec.push_back(save_string(ctx, buf));
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return i;
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};
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for (i64 i = 0; i < mf->size;) {
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if (isspace(data[i]))
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i++;
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else if (data[i] == '\'')
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i = read_quoted(i + 1, '\'');
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else if (data[i] == '\"')
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i = read_quoted(i + 1, '\"');
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else
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i = read_unquoted(i);
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}
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return vec;
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}
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template <typename C>
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std::vector<std::string_view> expand_response_files(C &ctx, char **argv) {
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std::vector<std::string_view> vec;
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for (i64 i = 0; argv[i]; i++) {
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if (argv[i][0] == '@')
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append(vec, read_response_file(ctx, argv[i] + 1));
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else
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vec.push_back(argv[i]);
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}
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return vec;
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}
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} // namespace mold
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