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941 lines (831 loc) · 25.2 KB
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/*
* Copyright (C) 2016-2017, Egor Pugin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "autotools.h"
#include "checks_detail.h"
#include <boost/algorithm/string.hpp>
#include <iostream>
#include <regex>
#include <vector>
struct command
{
String name;
Strings params;
};
struct if_expr
{
struct if_action
{
enum sign_type
{
S_UNK,
S_EQ,
S_NE,
S_LT,
S_GT,
};
String var;
int sign;
String value;
String action;
int start;
};
if_action if_actions;
std::vector<if_action> if_else_actions;
String else_actions;
};
struct ac_processor
{
using value = std::pair<String, bool>;
String file;
std::vector<command> commands;
Checks checks;
std::map<String, std::set<value>> vars;
std::map<String, if_expr> conditions;
yaml root;
bool cpp = false;
ac_processor(const path &p);
template <class T>
auto split_and_add(command &c, std::function<bool(String)> fun = std::function<bool(String)>());
template <class T>
void ifdef_add(command &c);
template <class T>
void try_add(command &c);
void output();
void output2();
void process();
void process_AC_LANG(command &c);
void process_AC_CHECK_FUNCS(command &c);
void process_AC_CHECK_DECLS(command &c);
void process_AC_COMPILE_IFELSE(command &c);
void process_AC_RUN_IFELSE(command &c);
void process_AC_TRY_COMPILE(command &c);
void process_AC_TRY_LINK(command &c);
void process_AC_TRY_RUN(command &c);
void process_AC_CHECK_HEADER(command &c);
void process_AC_CHECK_HEADERS(command &c);
void process_AC_CHECK_TYPES(command &c);
void process_AC_HEADER_DIRENT(command &c);
void process_AC_STRUCT_DIRENT_D_TYPE(command &c);
void process_AC_HEADER_TIME(command &c);
void process_AC_HEADER_ASSERT(command &c);
void process_AC_HEADER_STDC(command &c);
void process_AC_HEADER_MAJOR(command &c);
void process_AC_HEADER_SYS_WAIT(command &c);
void process_AC_HEADER_STDBOOL(command &c);
void process_AC_STRUCT_TM(command &c);
void process_AC_STRUCT_TIMEZONE(command &c);
void process_AC_CHECK_LIB(command &c);
void process_AC_CHECK_LIBM(command &c);
void process_AC_CHECK_MEMBERS(command &c);
void process_AC_DEFINE(command &c);
void process_AC_CHECK_ALIGNOF(command &c);
void process_AC_CHECK_SYMBOL(command &c);
};
auto parse_arguments(const String &f)
{
int start = 0;
int i = 0;
int sz = (int)f.size();
Strings s;
auto add_to_s = [&s](auto str)
{
boost::trim(str);
if (str.empty())
return;
while (!str.empty() && str.front() == '[' && str.back() == ']')
str = str.substr(1, str.size() - 2);
s.push_back(str);
};
while (i < sz)
{
auto c = f[i];
switch (c)
{
case '\"':
i = get_end_of_string_block(f, i + 1) - 1;
break;
case ',':
add_to_s(f.substr(start, i - start));
start = i + 1;
break;
case '(':
case '[':
i = get_end_of_string_block(f, i + 1) - 1;
add_to_s(f.substr(start, i - start + 1));
start = i + 1;
break;
}
i++;
}
add_to_s(f.substr(start, i - start));
return s;
}
auto parse_command(const String &f)
{
auto i = get_end_of_string_block(f.c_str());
auto s = f.substr(1, i - 2);
boost::trim(s);
return parse_arguments(s);
}
auto parse_configure_ac(String f)
{
auto ac = {
"AC_LANG",
"AC_CHECK_\\w+",
//"AC_EGREP_\\w+",
"AC_TRY_\\w+",
"AC_\\w+?_IFELSE",
"AC_HEADER_\\w+",
"AC_STRUCT_\\w+",
"\nAC_DEFINE",
"AC_FUNC_\\w+",
"AC_TYPE_\\w+",
};
String rx = "(";
for (auto &a : ac)
{
rx += a;
rx += "|";
}
rx.resize(rx.size() - 1);
rx += ")";
std::regex r(rx);
std::smatch m;
std::vector<command> commands;
while (std::regex_search(f, m, r))
{
command cmd;
cmd.name = m[1].str();
boost::trim(cmd.name);
f = m.suffix();
if (f[0] == '(')
cmd.params = parse_command(f);
commands.push_back(cmd);
}
return commands;
}
auto parse_conditions(String f)
{
std::map<String, if_expr> conds;
String s = f;
std::regex r_if(R"rrr(\sif\s+test\s+"?\$(\w+)"?\s+(\S+)\s+(\w+)\s*;?\s*then)rrr");
std::smatch m;
while (std::regex_search(s, m, r_if))
{
auto var = m[1].str();
auto sign = m[2].str();
auto val = m[3].str();
if_expr::if_action a;
a.var = var;
a.value = val;
a.start = (int)(m[0].first - s.begin());
if (sign == "=")
a.sign = if_expr::if_action::S_EQ;
else if (sign == "!=")
a.sign = if_expr::if_action::S_NE;
else if (sign == "-lt")
a.sign = if_expr::if_action::S_LT;
else if (sign == "-gt")
a.sign = if_expr::if_action::S_GT;
else
a.sign = if_expr::if_action::S_UNK;
if (a.sign == if_expr::if_action::S_UNK) // TODO: implement other signs (-le, -ge)
std::cerr << "Unknown sign " << sign << "\n";
else
{
auto p = m[0].second - s.begin();
auto f = s.find("fi", p);
a.action = s.substr(p, f - p);
boost::trim(a.action);
conds[var].if_actions = a;
}
s = m.suffix();
}
return conds;
}
void process_configure_ac(const path &p)
{
ac_processor proc(p);
proc.process();
proc.output();
}
void process_configure_ac2(const path &p)
{
ac_processor proc(p);
proc.process();
proc.output2();
}
ac_processor::ac_processor(const path &p)
{
file = read_file(p);
std::regex dnl("dnl.*?\\n");
file = std::regex_replace(file, dnl, "\n");
commands = parse_configure_ac(file);
conditions = parse_conditions(file);
}
void print_checks2(primitives::CppEmitter &ctx, const ChecksSet &checks, const String &name);
void ac_processor::output()
{
checks.save(root);
std::cout << dump_yaml_config(root);
}
void ac_processor::output2()
{
primitives::CppEmitter ctx;
print_checks2(ctx, checks.checks, "x");
std::cout << ctx.getText();
}
void prepare_type(String &t)
{
if (t == "long_long")
t = "long long";
}
void ac_processor::process()
{
std::set<String> unproc;
for (auto &c : commands)
{
#define CASE(n1, n2) \
if (c.name == #n1) \
{ \
process_##n2(c); \
continue; \
}
#define CASE_NOT_EMPTY(n1, n2) \
if (c.name == #n1) \
{ \
if (c.params.empty()) \
continue; \
process_##n2(c); \
continue; \
}
#define TWICE(m,x) m(x,x)
#define SILENCE(n1) \
if (c.name == #n1) \
{ \
continue; \
}
CASE_NOT_EMPTY(AC_CHECK_FUNCS_ONCE, AC_CHECK_FUNCS);
CASE_NOT_EMPTY(AC_CHECK_FUNC, AC_CHECK_FUNCS);
TWICE(CASE_NOT_EMPTY, AC_CHECK_FUNCS);
CASE_NOT_EMPTY(AC_CHECK_DECL, AC_CHECK_DECLS);
TWICE(CASE_NOT_EMPTY, AC_CHECK_DECLS);
CASE_NOT_EMPTY(AC_COMPILE_IFELSE, AC_COMPILE_IFELSE);
CASE_NOT_EMPTY(AC_LINK_IFELSE, AC_COMPILE_IFELSE);
CASE_NOT_EMPTY(AC_PREPROC_IFELSE, AC_COMPILE_IFELSE);
CASE_NOT_EMPTY(AC_TRY_CPP, AC_COMPILE_IFELSE); // AC_TRY_CPP is an obsolete of AC_PREPROC_IFELSE
TWICE(CASE_NOT_EMPTY, AC_COMPILE_IFELSE);
TWICE(CASE_NOT_EMPTY, AC_RUN_IFELSE);
TWICE(CASE_NOT_EMPTY, AC_TRY_COMPILE);
TWICE(CASE_NOT_EMPTY, AC_TRY_LINK);
TWICE(CASE_NOT_EMPTY, AC_TRY_RUN);
TWICE(CASE_NOT_EMPTY, AC_CHECK_HEADER);
CASE_NOT_EMPTY(AC_CHECK_HEADERS_ONCE, AC_CHECK_HEADERS);
TWICE(CASE_NOT_EMPTY, AC_CHECK_HEADERS);
CASE_NOT_EMPTY(AC_CHECK_SIZEOF, AC_CHECK_TYPES);
CASE_NOT_EMPTY(AC_CHECK_TYPE, AC_CHECK_TYPES);
TWICE(CASE_NOT_EMPTY, AC_CHECK_TYPES);
TWICE(CASE, AC_STRUCT_DIRENT_D_TYPE);
TWICE(CASE, AC_HEADER_DIRENT);
TWICE(CASE, AC_HEADER_TIME);
TWICE(CASE, AC_HEADER_ASSERT);
TWICE(CASE, AC_HEADER_STDC);
TWICE(CASE, AC_HEADER_MAJOR);
TWICE(CASE, AC_HEADER_SYS_WAIT);
TWICE(CASE, AC_HEADER_STDBOOL);
CASE_NOT_EMPTY(AC_CHECK_HEADER_STDBOOL, AC_HEADER_STDBOOL);
TWICE(CASE, AC_STRUCT_TM);
TWICE(CASE, AC_STRUCT_TIMEZONE);
TWICE(CASE_NOT_EMPTY, AC_CHECK_LIB);
TWICE(CASE, AC_CHECK_LIBM);
CASE_NOT_EMPTY(AC_CHECK_MEMBER, AC_CHECK_MEMBERS);
TWICE(CASE_NOT_EMPTY, AC_CHECK_MEMBERS);
TWICE(CASE_NOT_EMPTY, AC_DEFINE);
TWICE(CASE_NOT_EMPTY, AC_LANG);
TWICE(CASE_NOT_EMPTY, AC_CHECK_ALIGNOF);
TWICE(CASE_NOT_EMPTY, AC_CHECK_SYMBOL);
SILENCE(AC_CHECK_PROG);
SILENCE(AC_CHECK_PROGS);
SILENCE(AC_CHECK_TOOLS);
SILENCE(AC_CHECK_FILE);
SILENCE(AC_CHECK_TOOL);
SILENCE(AC_MSG_ERROR);
SILENCE(AC_MSG_FAILURE);
SILENCE(AC_TRY_COMMAND);
// specific checks
{
std::regex r("AC_FUNC_(\\w+)");
std::smatch m;
if (std::regex_match(c.name, m, r))
{
auto v = m[1].str();
boost::to_lower(v);
checks.addCheck<CheckFunction>(v);
continue;
}
}
{
std::regex r("AC_TYPE_(\\w+)");
std::smatch m;
if (std::regex_match(c.name, m, r))
{
auto v = m[1].str();
boost::to_lower(v);
prepare_type(v);
checks.addCheck<CheckType>(v);
continue;
}
}
if (unproc.find(c.name) == unproc.end())
{
std::cerr << "Unprocessed statement: " << c.name << "\n";
unproc.insert(c.name);
}
}
}
template <class T>
auto ac_processor::split_and_add(command &c, std::function<bool(String)> fun)
{
boost::replace_all(c.params[0], "\\", "\n");
boost::replace_all(c.params[0], "\t", "\n");
boost::replace_all(c.params[0], " ", "\n");
boost::replace_all(c.params[0], ",", "\n");
auto funcs = split_lines(c.params[0]);
std::vector<T*> out;
for (auto &f : funcs)
{
if (!fun || fun(f))
{
if (f == "snprintf")
{
CheckParameters p;
p.headers = { "stdio.h" };
checks.addCheck<CheckSymbol>(f, p);
continue;
}
if constexpr (std::is_same_v<T, CheckType>)
prepare_type(f);
out.push_back(checks.addCheck<T>(f));
}
}
return out;
}
template <class T>
void ac_processor::ifdef_add(command &c)
{
static std::regex r_kv("[\\d\\w-]+=[\\d\\w-]+");
String var;
String input = c.params[0];
bool invert = false;
if (c.params[0].find("AC_") == 0)
{
auto cmd = c.params[0].substr(0, c.params[0].find('('));
if (cmd == "AC_LANG_PROGRAM")
{
auto params = parse_arguments(c.params[0].substr(cmd.size() + 1));
input = params[0] + "\n\n int main() { \n\n";
if (params.size() > 1)
input += params[1];
input += "\n\n ; return 0; }";
}
else if (cmd == "AC_MSG_RESULT")
; // this is a printer
else if (cmd == "AC_MSG_ERROR")
; // this is a printer
else if (cmd == "AC_MSG_FAILURE")
; // this is a printer
else if (cmd == "AC_LANG_SOURCE")
{
auto params = parse_arguments(c.params[0].substr(cmd.size() + 1));
input = params[0];
}
else if (cmd == "AC_LANG_CALL")
{
auto params = parse_arguments(c.params[0].substr(cmd.size() + 1));
input = params[0] + "\n\n int main() { \n\n";
if (params.size() > 1)
input += params[1] + "()";
input += "\n\n ; return 0; }";
}
else
{
std::cerr << "Unhandled AC_ statement: " << cmd << "\n";
return;
}
}
if (c.params.size() > 1)
{
if (c.params[1].find("AC_") == 0)
{
auto cmd = c.params[1].substr(0, c.params[1].find('('));
if (cmd == "AC_MSG_RESULT")
; // this is a printer
else if (cmd == "AC_MSG_ERROR")
; // this is a printer
else if (cmd == "AC_MSG_FAILURE")
; // this is a printer
else if (cmd == "AC_DEFINE")
{
auto params = parse_arguments(c.params[1].substr(cmd.size() + 1));
var = params[0];
}
else
{
std::cerr << "Unhandled AC_ statement: " << cmd << "\n";
return;
}
}
else
{
// if key-value?
if (std::regex_match(c.params[1], r_kv))
{
auto p = c.params[1].find('=');
auto key = c.params[1].substr(0, p);
auto value = c.params[1].substr(p + 1);
vars[key].insert({ value, true });
if (conditions.count(key))
{
auto act = conditions[key].if_actions;
boost::replace_all(act.action, "\r", "");
boost::replace_all(act.action, "then", "\r");
Strings ifthen;
boost::split(ifthen, act.action, boost::is_any_of("\r"));
boost::trim(ifthen[0]);
if (ifthen.size() > 1)
boost::trim(ifthen[1]);
if (ifthen[0].find("AC_DEFINE") == 0)
{
auto cmd = ifthen[0].substr(0, ifthen[0].find('('));
auto params = parse_arguments(ifthen[0].substr(cmd.size() + 1));
var = params[0];
if (value == act.value)
invert = act.sign == if_expr::if_action::S_NE;
else
invert = act.sign == if_expr::if_action::S_EQ;
}
if (ifthen.size() > 1)
{
if (ifthen[0].find("AC_DEFINE") == 0)
{
auto cmd = ifthen[1].substr(0, ifthen[1].find('('));
auto params = parse_arguments(ifthen[1].substr(cmd.size() + 1));
var = params[0];
}
if (value == act.value)
invert = act.sign == if_expr::if_action::S_EQ;
else
invert = act.sign == if_expr::if_action::S_NE;
}
}
}
else
return;
}
}
if (c.params.size() > 2)
{
if (c.params[2].find("AC_") == 0)
{
auto cmd = c.params[2].substr(0, c.params[2].find('('));
if (cmd == "AC_MSG_RESULT")
; // this is a printer
else if (cmd == "AC_MSG_ERROR")
; // this is a printer
else if (cmd == "AC_MSG_FAILURE")
; // this is a printer
else if (cmd == "AC_DEFINE")
{
auto params = parse_arguments(c.params[2].substr(cmd.size() + 1));
//var = params[0]; // this could be very dangerous
}
else if (cmd == "AC_COMPILE_IFELSE")
{
command c2{ "",parse_arguments(c.params[2].substr(cmd.size() + 1)) };
process_AC_COMPILE_IFELSE(c2);
}
else
{
std::cerr << "Unhandled AC_ statement: " << cmd << "\n";
return;
}
}
else
{
// if key-value?
if (std::regex_match(c.params[2], r_kv))
{
// already handled in 'if (c.params.size() > 1)' above
}
else
return;
}
}
if (var.empty() || input.empty())
return;
auto p = checks.addCheck<T>(var, input);
p->invert = invert;
}
template <class T>
void ac_processor::try_add(command &c)
{
String var;
String input = c.params[0];
input = c.params[0] + "\n\n int main() { \n\n";
input += c.params[1];
input += "\n\n ; return 0; }";
if (c.params.size() > 2)
{
if (c.params[2].find("AC_") == 0)
{
auto cmd = c.params[2].substr(0, c.params[2].find('('));
if (cmd == "AC_MSG_RESULT")
; // this is a printer
else if (cmd == "AC_MSG_ERROR")
; // this is a printer
else if (cmd == "AC_MSG_FAILURE")
; // this is a printer
else if (cmd == "AC_DEFINE")
{
auto params = parse_arguments(c.params[2].substr(cmd.size() + 1));
var = params[0];
}
else
{
std::cerr << "Unhandled AC_ statement: " << cmd << "\n";
return;
}
}
}
if (var.empty() || input.empty())
return;
/*auto p = */checks.addCheck<T>(var, input);
}
void ac_processor::process_AC_LANG(command &c)
{
boost::to_lower(c.params[0]);
cpp = c.params[0] == "c++";
}
void ac_processor::process_AC_DEFINE(command &c)
{
root["options"]["any"]["definitions"]["public"].push_back(c.params[0]);
}
void ac_processor::process_AC_CHECK_FUNCS(command &c)
{
split_and_add<CheckFunction>(c);
}
void ac_processor::process_AC_CHECK_DECLS(command &c)
{
// TODO: add case when in 4th param there's include files
split_and_add<CheckDecl>(c);
}
void ac_processor::process_AC_COMPILE_IFELSE(command &c)
{
if (cpp)
ifdef_add<CheckCXXSourceCompiles>(c);
else
ifdef_add<CheckCSourceCompiles>(c);
}
void ac_processor::process_AC_RUN_IFELSE(command &c)
{
if (cpp)
ifdef_add<CheckCXXSourceRuns>(c);
else
ifdef_add<CheckCSourceRuns>(c);
}
void ac_processor::process_AC_TRY_COMPILE(command &c)
{
// sometimes parser swallows empty first arg, so fix it
if (c.params[1].find("AC_") == 0)
{
auto p = c.params;
c.params.clear();
c.params.push_back("");
c.params.insert(c.params.end(), p.begin(), p.end());
}
if (cpp)
try_add<CheckCXXSourceCompiles>(c);
else
try_add<CheckCSourceCompiles>(c);
}
void ac_processor::process_AC_TRY_LINK(command &c)
{
// sometimes parser swallows empty first arg, so fix it
if (c.params[1].find("AC_") == 0)
{
auto p = c.params;
c.params.clear();
c.params.push_back("");
c.params.insert(c.params.end(), p.begin(), p.end());
}
if (cpp)
try_add<CheckCXXSourceCompiles>(c);
else
try_add<CheckCSourceCompiles>(c);
}
void ac_processor::process_AC_TRY_RUN(command &c)
{
// sometimes parser swallows empty first arg, so fix it
if (c.params[1].find("AC_") == 0)
{
auto p = c.params;
c.params.clear();
c.params.push_back("");
c.params.insert(c.params.end(), p.begin(), p.end());
}
if (cpp)
try_add<CheckCXXSourceRuns>(c);
else
try_add<CheckCSourceRuns>(c);
}
void ac_processor::process_AC_CHECK_HEADER(command &c)
{
if (c.params.size() == 1)
{
auto out = split_and_add<CheckInclude>(c);
if (cpp)
{
for (auto &o : out)
o->set_cpp(cpp);
}
}
else
{
if (c.params[1].find("AC_") == 0)
{
auto cmd = c.params[1].substr(0, c.params[1].find('('));
if (cmd == "AC_MSG_RESULT")
; // this is a printer
else if (cmd == "AC_MSG_ERROR")
; // this is a printer
else if (cmd == "AC_MSG_FAILURE")
; // this is a printer
else if (cmd == "AC_DEFINE")
{
auto params = parse_arguments(c.params[1].substr(cmd.size() + 1));
auto p = checks.addCheck<CheckInclude>(c.params[0], params[0]);
if (cpp)
p->set_cpp(cpp);
}
else if (cmd == "AC_CHECK_HEADER")
{
auto p = checks.addCheck<CheckInclude>(c.params[0]);
if (cpp)
p->set_cpp(cpp);
command c2;
c2.name = cmd;
c2.params = parse_arguments(c.params[1].substr(cmd.size() + 1));
process_AC_CHECK_HEADER(c2);
}
else
{
std::cerr << "Unhandled AC_ statement: " << cmd << "\n";
}
}
else
{
auto p = checks.addCheck<CheckInclude>(c.params[0]);
if (cpp)
p->set_cpp(cpp);
}
}
}
void ac_processor::process_AC_CHECK_HEADERS(command &c)
{
split_and_add<CheckInclude>(c);
}
void ac_processor::process_AC_CHECK_TYPES(command &c)
{
split_and_add<CheckType>(c, [](const auto &v)
{
if (v == "*" || v == "void")
return false;
return true;
});
}
void ac_processor::process_AC_HEADER_DIRENT(command &)
{
command c{ "", {"dirent.h","sys/ndir.h","sys/dir.h","ndir.h"} };
process_AC_CHECK_HEADERS(c);
}
void ac_processor::process_AC_STRUCT_DIRENT_D_TYPE(command &)
{
command c{ "", {"struct dirent.d_type"} };
process_AC_HEADER_DIRENT(c);
process_AC_CHECK_MEMBERS(c);
}
void ac_processor::process_AC_HEADER_ASSERT(command &)
{
checks.addCheck<CheckInclude>("assert.h");
}
void ac_processor::process_AC_HEADER_SYS_WAIT(command &)
{
checks.addCheck<CheckInclude>("sys/wait.h");
}
void ac_processor::process_AC_HEADER_STDBOOL(command &c)
{
checks.addCheck<CheckInclude>("stdbool.h");
}
void ac_processor::process_AC_HEADER_TIME(command &)
{
command c{ "",{ "time.h","sys/time.h" } };
process_AC_CHECK_HEADERS(c);
checks.addCheck<CheckCSourceCompiles>("HAVE_TIME_WITH_SYS_TIME", R"(
#include <time.h>
#include <sys/time.h>
int main() {return 0;}
)");
}
void ac_processor::process_AC_HEADER_STDC(command &)
{
command c{ "",{ "stdlib.h", "stdarg.h", "string.h", "float.h" } };
process_AC_CHECK_HEADERS(c);
checks.addCheck<CheckCSourceCompiles>("STDC_HEADERS", R"(
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
int main() {return 0;}
)");
}
void ac_processor::process_AC_HEADER_MAJOR(command &c)
{
checks.addCheck<CheckCSourceCompiles>("MAJOR_IN_MKDEV", R"(
#include <sys/mkdev.h>
int main() { makedev(0, 0); return 0; }
)");
checks.addCheck<CheckCSourceCompiles>("MAJOR_IN_SYSMACROS", R"(
#include <sys/sysmacros.h>
int main() { makedev(0, 0); return 0; }
)");
}
void ac_processor::process_AC_STRUCT_TM(command &c)
{
auto p = checks.addCheck<CheckCSourceCompiles>("TM_IN_SYS_TIME", R"(
#include <time.h>
int main() { struct tm t; return 0; }
)");
p->invert = true;
}
void ac_processor::process_AC_STRUCT_TIMEZONE(command &c)
{
// Figure out how to get the current timezone.If struct tm has a tm_zone member,
// define HAVE_STRUCT_TM_TM_ZONE(and the obsoleted HAVE_TM_ZONE).
// Otherwise, if the external array tzname is found, define HAVE_TZNAME.
CheckParameters p;
p.headers = { "time.h" };
checks.addCheck<CheckSymbol>("tzname", p);
}
void ac_processor::process_AC_CHECK_LIB(command &c)
{
checks.addCheck<CheckLibraryFunction>(c.params[1], c.params[0]);
}
void ac_processor::process_AC_CHECK_LIBM(command &c)
{
checks.addCheck<CheckLibrary>("m");
}
void ac_processor::process_AC_CHECK_MEMBERS(command &c)
{
auto vars = split_string(c.params[0], ",;");
for (const auto &variable : vars)
{
auto p = variable.find('.');
auto struct_ = variable.substr(0, p);
auto member = variable.substr(p + 1);
String header;
if (struct_ == "struct stat")
header = "sys/stat.h";
else if (struct_ == "struct tm")
header = "time.h";
else if (struct_ == "struct dirent")
header = "dirent.h";
// add more headers here
CheckParameters pa;
if (!header.empty())
pa.headers.push_back(header);
checks.addCheck<CheckStructMember>(member, struct_, pa);
}
}
void ac_processor::process_AC_CHECK_ALIGNOF(command &c)
{
checks.addCheck<CheckAlignment>(c.params[0]);
}
void ac_processor::process_AC_CHECK_SYMBOL(command &c)
{
CheckParameters p;
p.headers = { c.params[1] };
checks.addCheck<CheckSymbol>(c.params[0], p);
}