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Simplify
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101
common/cmdline.h
101
common/cmdline.h
@ -1,101 +0,0 @@
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#pragma once
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#include "common.h"
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namespace mold {
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template <typename Context>
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std::vector<std::string_view>
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read_response_file(Context &ctx, std::string_view path, i64 depth) {
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if (depth > 10)
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Fatal(ctx) << path << ": response file nesting too deep";
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std::vector<std::string_view> vec;
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MappedFile *mf = must_open_file(ctx, std::string(path));
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std::string_view data((char *)mf->data, mf->size);
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while (!data.empty()) {
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if (isspace(data[0])) {
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data = data.substr(1);
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continue;
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}
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auto read_quoted = [&]() {
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char quote = data[0];
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data = data.substr(1);
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std::string buf;
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while (!data.empty() && data[0] != quote) {
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if (data[0] == '\\' && data.size() >= 1) {
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buf.append(1, data[1]);
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data = data.substr(2);
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} else {
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buf.append(1, data[0]);
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data = data.substr(1);
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}
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}
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if (data.empty())
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Fatal(ctx) << path << ": premature end of input";
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data = data.substr(1);
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return save_string(ctx, buf);
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};
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auto read_unquoted = [&] {
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std::string buf;
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while (!data.empty()) {
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if (data[0] == '\\' && data.size() >= 1) {
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buf.append(1, data[1]);
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data = data.substr(2);
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continue;
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}
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if (!isspace(data[0])) {
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buf.append(1, data[0]);
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data = data.substr(1);
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continue;
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}
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break;
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}
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return save_string(ctx, buf);
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};
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std::string_view tok;
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if (data[0] == '\'' || data[0] == '\"')
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tok = read_quoted();
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else
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tok = read_unquoted();
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if (tok.starts_with('@'))
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append(vec, read_response_file(ctx, tok.substr(1), depth + 1));
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else
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vec.push_back(tok);
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}
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return vec;
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}
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// Replace "@path/to/some/text/file" with its file contents.
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template <typename Context>
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std::vector<std::string_view> expand_response_files(Context &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, 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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static inline std::string_view string_trim(std::string_view str) {
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size_t pos = str.find_first_not_of(" \t");
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if (pos == str.npos)
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return "";
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str = str.substr(pos);
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pos = str.find_last_not_of(" \t");
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if (pos == str.npos)
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return str;
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return str.substr(0, pos + 1);
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}
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} // namespace mold
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@ -1,5 +1,4 @@
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#include "mold.h"
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#include "../common/cmdline.h"
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#include <random>
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#include <regex>
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@ -210,6 +209,101 @@ Options:
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mold: supported targets: elf32-i386 elf64-x86-64 elf32-littlearm elf64-littleaarch64 elf32-littleriscv elf32-bigriscv elf64-littleriscv elf64-bigriscv elf32-powerpc elf64-powerpc elf64-powerpc elf64-powerpcle elf64-s390 elf64-sparc elf32-m68k elf32-sh-linux elf64-alpha elf64-loongarch elf32-loongarch
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mold: supported emulations: elf_i386 elf_x86_64 armelf_linux_eabi aarch64linux aarch64elf elf32lriscv elf32briscv elf64lriscv elf64briscv elf32ppc elf32ppclinux elf64ppc elf64lppc elf64_s390 elf64_sparc m68kelf shlelf_linux elf64alpha elf64loongarch elf32loongarch)";
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template <typename E>
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static std::vector<std::string_view>
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read_response_file(Context<E> &ctx, std::string_view path, i64 depth) {
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if (depth > 10)
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Fatal(ctx) << path << ": response file nesting too deep";
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std::vector<std::string_view> vec;
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MappedFile *mf = must_open_file(ctx, std::string(path));
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std::string_view data((char *)mf->data, mf->size);
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while (!data.empty()) {
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if (isspace(data[0])) {
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data = data.substr(1);
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continue;
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}
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auto read_quoted = [&]() {
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char quote = data[0];
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data = data.substr(1);
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std::string buf;
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while (!data.empty() && data[0] != quote) {
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if (data[0] == '\\' && data.size() >= 1) {
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buf.append(1, data[1]);
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data = data.substr(2);
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} else {
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buf.append(1, data[0]);
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data = data.substr(1);
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}
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}
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if (data.empty())
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Fatal(ctx) << path << ": premature end of input";
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data = data.substr(1);
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return save_string(ctx, buf);
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};
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auto read_unquoted = [&] {
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std::string buf;
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while (!data.empty()) {
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if (data[0] == '\\' && data.size() >= 1) {
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buf.append(1, data[1]);
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data = data.substr(2);
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continue;
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}
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if (!isspace(data[0])) {
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buf.append(1, data[0]);
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data = data.substr(1);
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continue;
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}
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break;
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}
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return save_string(ctx, buf);
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};
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std::string_view tok;
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if (data[0] == '\'' || data[0] == '\"')
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tok = read_quoted();
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else
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tok = read_unquoted();
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if (tok.starts_with('@'))
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append(vec, read_response_file(ctx, tok.substr(1), depth + 1));
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else
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vec.push_back(tok);
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}
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return vec;
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}
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// Replace "@path/to/some/text/file" with its file contents.
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template <typename E>
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std::vector<std::string_view>
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expand_response_files(Context<E> &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, 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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static inline std::string_view string_trim(std::string_view str) {
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size_t pos = str.find_first_not_of(" \t");
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if (pos == str.npos)
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return "";
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str = str.substr(pos);
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pos = str.find_last_not_of(" \t");
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if (pos == str.npos)
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return str;
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return str.substr(0, pos + 1);
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}
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static std::vector<std::string> add_dashes(std::string name) {
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// Single-letter option
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if (name.size() == 1)
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@ -1295,6 +1389,7 @@ std::vector<std::string> parse_nonpositional_args(Context<E> &ctx) {
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using E = MOLD_TARGET;
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template std::vector<std::string_view> expand_response_files(Context<E> &, char **);
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template std::vector<std::string> parse_nonpositional_args(Context<E> &ctx);
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} // namespace mold::elf
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#include "mold.h"
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#include "../common/archive-file.h"
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#include "../common/cmdline.h"
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#include "../common/output-file.h"
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#include <cstring>
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// cmdline.cc
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//
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template <typename E>
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std::vector<std::string_view> expand_response_files(Context<E> &ctx, char **argv);
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template <typename E>
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std::vector<std::string> parse_nonpositional_args(Context<E> &ctx);
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