lots of refactoring...

new FunctionInfo files - most functions ware now a member of FunctionInfo
stable version before refactoring for loop parsing
This commit is contained in:
DrFrugal 2024-01-24 03:46:26 +01:00
parent cee06594d9
commit 82f367f068
8 changed files with 389 additions and 241 deletions

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@ -0,0 +1,110 @@
#include "FunctionInfo.hpp"
#include <algorithm>
#include <format>
#include <regex>
std::smatch match;
const std::regex usg_vld_rgx(R"(Usage: .+?\((.*?)\))");
void FunctionInfo::chk_vld()
{ // run all checks, so we have the full picture
bool vld = true;
if (prs_msg.size() > 0) vld = false; // parsing messages up until this point are hard errors
if (in_cnt > -1)
{ // in varmap is not dynamic
if (!usg.empty())
{ // check against usage string
if (std::regex_search(usg, match, usg_vld_rgx))
{
std::string usg_params = match[1];
int comma_cnt = 0;
for (char c : usg_params) comma_cnt += c == ',';
if (in_cnt == 0 && !usg_params.empty() || in_cnt != comma_cnt + 1)
{
prs_msg.push_back(std::format("in param count ({}) does not match usage string ({})", in_cnt, !usg_params.empty() * (comma_cnt + 1)));
vld = false;
}
}
else prs_msg.push_back("usage string is malformed"); // do not consider this for validity
}
for (int i = 1; i <= in_cnt; i++)
{ // lua indexes start with 1
if (!in.contains(i))
{
prs_msg.push_back("in param index not in order");
vld = false;
break;
}
}
}
if (out_cnt != -1 && out_cnt != out.size())
{
prs_msg.push_back(std::format("out param count ({}) does not match return value ({})", out.size(), out_cnt));
vld = false;
}
prs_vld = vld;
}
bool FunctionInfo::nil_in_varmap(bool proc_in) const
{
const varmap& params = proc_in ? in : out;
for (auto& [key, value] : params)
if (std::find(value.begin(), value.end(), "nil") != value.end())
return true;
return false;
}
void FunctionInfo::cln_varmap(bool proc_in)
{
varmap& params = proc_in ? in : out;
int cnt = proc_in ? in_cnt : out_cnt;
if (cnt == -1)
{
params.clear(); // dynamic varmap does not need entries
return;
}
for (auto& [lua_index, lua_types] : params)
{
std::sort(lua_types.begin(), lua_types.end());
lua_types.erase(std::unique(lua_types.begin(), lua_types.end()), lua_types.end());
}
if (proc_in) in_cnt = in.size(); // input count can only be inferred by in varmap size
}
std::string FunctionInfo::str() const
{
std::string str = std::format("{:X} {}{}\n", addr, nm, prs_vld ? "" : " (invalid)");
if (!usg.empty()) str += " " + usg + "\n";
str += " in: " + str_varmap(true) + "\n";
str += " out: " + str_varmap(false);
for (const std::string& err : prs_msg) str += "\n " + err;
return str;
}
std::string FunctionInfo::str_varmap(bool proc_in) const
{
int cnt = proc_in ? in_cnt : out_cnt;
switch (cnt)
{
case -1:
return "dynamic";
case 0:
return "0 ()";
}
const varmap& params = proc_in ? in : out;
if (params.size() > 0)
{ // cnt and params.size() might differ - lua_push* calls can be undetected
std::string str = std::to_string(cnt) + " (";
for (const auto& [lua_index, lua_types] : params)
{
for (const auto& lua_type : lua_types) str += lua_type + "/";
str.pop_back(); // remove last slash
str += ", ";
}
str[str.length() - 2] = ')'; // replace last comma with closing bracket
str.pop_back(); // remove space after last comma
return str;
}
return std::to_string(cnt) + " ()";
}

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@ -0,0 +1,25 @@
#pragma once
#include <map>
#include <string>
#include <vector>
typedef unsigned int uint;
typedef std::map<int, std::vector<std::string>> varmap;
struct FunctionInfo
{
uint addr = 0;
std::string nm = "";
std::string usg = "";
varmap in{};
int in_cnt = 0;
varmap out{};
int out_cnt = 0;
std::vector<std::string> prs_msg;
bool prs_vld = false;
void chk_vld();
void cln_varmap(bool proc_in);
std::string str() const;
std::string str_varmap(bool proc_in) const;
bool nil_in_varmap(bool proc_in) const;
};

View File

@ -1,3 +1,5 @@
#include "FunctionInfo.hpp"
#include "Utility.hpp"
#include <thread>
#include <chrono>
#include <algorithm>
@ -6,174 +8,96 @@
#include <queue>
#include <regex>
#include <string>
#include <string_view>
#include <unordered_map>
#include <map>
#include "GhidraParser.hpp"
std::string file_path;
std::string fl_path;
bool dbg;
bool dbg_prnt_invld_only;
bool use_all = true; // 26 invalid parses
bool ivld_only;
bool use_all = true;
/*
* 907 cln
* 25 ivld
*/
/*
* 1742 cln
* 123 ivld
*/
#define PL(msg) std::cout << msg << '\n' // print line
#define PDBG(msg) if(!dbg) PL(msg) // print line if debug flag is set
std::smatch match1; // TODO remove later
std::regex usage_regex(R"(,"(Usage: [^;]+).?"[, \)])"); // .? is just a workaround, since )" in the raw string would terminate it immediately
std::regex lua_push_regex(R"(lua_push(.+?)\(())");
std::regex lua_is_regex(R"(lua_is(.+?)\(L,(\w+?)\))");
std::regex lua_to_regex(R"(lua_to(.+?)\(L,(\w+?)[,\)])");
std::regex var_decl_regex(R"(^ (?:int|uint|BOOL) (\w+);)"); // currently only considering these types for declarations
std::regex var_ass_regex(R"(^ +?(\w+?) = (\w+) ?(.)? ?(\w+?){0,1};)");
FunctionInfo fi;
std::string func;
std::smatch match;
std::string lua_type;
int lua_index;
std::string lua_type;
int out_index;
std::regex lua_push_regex(R"(lua_push(.+?)\()");
std::regex usage_validity_regex(R"(Usage: .+?\((.*?)\))");
std::unordered_map<std::string, FunctionInfo> fmap;
std::chrono::steady_clock::time_point tstart;
std::chrono::steady_clock::time_point tend;
std::string get_varmap_info(std::map<int, std::vector<std::string>> varmap)
{
if (varmap.size() == 0) return "()";
std::string str = "(";
for (auto &[key, values] : varmap)
{
for (auto &value : values)
{
str += value + "/";
}
str = str.substr(0, str.length() - 1);
str += ", ";
}
str = str.substr(0, str.length() - 2);
str += ")";
return str;
}
int parse_int(std::string input)
{
try
{
if (input.starts_with("0x")) return std::stoi(input, 0, 16);
return std::stoi(input);
}
catch (std::invalid_argument e) {}
return -1; // couldn't parse; -1 is used for dynamic return
}
void pdbg(std::string msg)
{
if (!dbg) return;
std::cout << msg << '\n';
}
void pfi(FunctionInfo& fi)
{ // print FunctionInfo
char endl = '\n';
std::cout << std::format("{:X}", fi.address) << " " << fi.func << (fi.valid_parse ? "" : " (invalid)") << endl;
if (!fi.usg.empty()) std::cout << fi.usg << endl;
if (fi.param_in_cnt == -1) std::cout << "in: dynamic" << endl;
else std::cout << "in: " << (fi.param_in_cnt == 0 ? "0" : std::to_string(fi.param_in_cnt) + " " + get_varmap_info(fi.param_in)) << endl;
if (fi.param_out_cnt == -1) std::cout << "out: dynamic" << endl;
else std::cout << "out: " << (fi.param_out_cnt == 0 ? "0" : std::to_string(fi.param_out_cnt) + " " + get_varmap_info(fi.param_out)) << endl;
for (auto &error : fi.parse_errors) std::cout << error << endl;
std::cout << std::endl;
}
bool process_varmap_regex(std::map<int, std::vector<std::string>> *varmap, std::string line, std::regex* regex)
bool process_varmap_regex(std::map<int, std::vector<std::string>>& varmap, std::string ln, std::regex* regex)
{
bool found = false;
while (std::regex_search(line, match, *regex))
while (std::regex_search(ln, match1, *regex))
{
found = true;
lua_type = match[1];
lua_type = match1[1];
if (lua_type == "lstring") lua_type = "string"; // lstring is a string!
if (lua_type == "fstring") lua_type = "string"; // frsting is a string!
else if (lua_type == "fstring") lua_type = "string"; // frsting is a string!
if (regex == &lua_push_regex)
{ // push parsing uses a global index starting with 1
//if (lua_type == "nil") return false; // skipping lua_pushnil
lua_index = out_index;
out_index++;
}
else lua_index = parse_int(match[2]);
else lua_index = prsi(match1[2]).val;
if (lua_index == -1)
{ // -1 means there wasn't a literal used for accessing the index, so i can not parse it
if (regex == &lua_push_regex) fi.param_out_cnt = -1;
else fi.param_in_cnt = -1;
if (regex == &lua_push_regex) fi.out_cnt = -1;
else fi.in_cnt = -1; // TODO might be possible to parse when evaluating variables
return found;
}
(*varmap)[lua_index].push_back(lua_type); // always push lua type for now
//if (varmap->count(lua_index) == 0) (*varmap)[lua_index].push_back(lua_type); // new entry
//else if ((*varmap)[lua_index] != lua_type)
//{ // already got an entry, check if it has the same type
// fi.parse_errors.push_back("parameter type mismatch for index " + std::to_string(lua_index) + " - " + (*varmap)[lua_index] + " vs " + lua_type);
//}
line = match.suffix();
varmap[lua_index].push_back(lua_type); // always push lua type for now
ln = match1.suffix();
}
return found;
}
void chk_vld(FunctionInfo* fi)
{ // check validity of parsed info - default value is false, so i simply return if invalid
bool valid = true;
if (fi->parse_errors.size() > 0) valid = false; // any parsing errors occurred
if (fi->param_out_cnt != -1 && fi->param_out_cnt != fi->param_out.size())
{
fi->parse_errors.push_back("output param mismatch between found number of return values (" + std::to_string(fi->param_out_cnt) +") and lua_push* calls (" + std::to_string(fi->param_out.size()) + ")");
valid = false;
}
if (fi->param_in_cnt != -1 && !fi->usg.empty())
{ // do extra check against usg string
std::string usage_params;
if (std::regex_search(fi->usg, match, usage_validity_regex))
{
usage_params = match[1];
if (fi->param_in_cnt == 0 && !usage_params.empty())
{
valid = false;
fi->parse_errors.push_back("input param count does not match usage string");
}
else
{
int comma_cnt = 0;
for (auto ch : usage_params) if (ch == ',') comma_cnt++;
if (fi->param_in_cnt != comma_cnt + 1)
{
valid = false;
fi->parse_errors.push_back("input param count does not match usage string");
}
}
}
else fi->parse_errors.push_back("usage string malformed"); // if the usg string is malformed, do not consider it for validity
}
if (fi->param_in_cnt > 0)
{ // check if input param indexes are in order
for (int i = 1; i <= fi->param_in_cnt; i++)
{ // lua indexes start with 1
if (!fi->param_in.contains(i))
{
fi->parse_errors.push_back("input param index not in order");
valid = false;
break;
}
}
}
fi->valid_parse = valid;
}
void sort_prune_varmap(std::map<int, std::vector<std::string>> *varmap)
void pfmap(bool ivld_only)
{
for (auto &[lua_index, lua_types] : *varmap)
for (const auto& [name, fi] : fmap)
{
lua_types.erase(std::unique(lua_types.begin(), lua_types.end()), lua_types.end());
std::sort(lua_types.begin(), lua_types.end());
if (!ivld_only || !fi.prs_vld)
PL(fi.str() + "\n");
}
}
__forceinline bool ln_is(std::string &ln, int idx, const char* lk_for)
{
int len = strlen(lk_for);
return ln.length() - idx + 1 > len && ln.substr(idx, len) == lk_for;
}
__forceinline void set_str_if_empty(std::string *init, std::string repl)
{
*init = init->empty() ? repl : *init;
void pstats()
{ // print parsing statistics
int ttl = 0;
int cln = 0;
int ivld = 0;
for (const auto& [name, fi] : fmap)
{
ttl++;
cln += fi.prs_vld && fi.in_cnt != -1 && fi.out_cnt != -1 && !fi.nil_in_varmap(false);
ivld += !fi.prs_vld;
}
auto dur = duration_cast<std::chrono::milliseconds>(tend - tstart);
PL(std::format("Functions parsed: {}", ttl));
PL(std::format("Clean: {}", cln));
PL(std::format("Invalid: {}", ivld));
PL(std::format("Duration: {} ms", dur.count()));
}
int main()
@ -193,82 +117,98 @@ int main()
* skip scanning for output params, if returns with different non-0 values have been found (or it can not be parsed as int)
*/
tstart = std::chrono::high_resolution_clock::now();
if (use_all)
{
dbg = true;
dbg_prnt_invld_only = true;
file_path = R"(C:\Users\alphaomega\Documents\Wow.exe.c.txt)";
ivld_only = true;
fl_path = R"(C:\Users\alphaomega\Documents\Wow.exe.c.txt)";
}
else
{
dbg = true;
dbg_prnt_invld_only = false;
file_path = R"(C:\Users\alphaomega\Documents\Wow.exe.c.test.txt)";
ivld_only = false;
fl_path = R"(C:\Users\alphaomega\Documents\Wow.exe.c.test.txt)";
}
auto tstart = std::chrono::high_resolution_clock::now();
std::ifstream source_file(file_path);
std::ifstream source_file(fl_path);
if (!source_file.is_open())
{
std::cerr << "Unable to open file " << file_path << std::endl;
std::cerr << "Unable to open file " << fl_path << std::endl;
return 1;
}
std::unordered_map<std::string, int> func_vars;
std::regex usage_regex(R"(,"(Usage: [^;]+)N{0}"[, \)])"); // N{0} is just a workaround, since )" in the raw string would terminate it immediately
std::regex lua_is_regex(R"(lua_is(.+?)\()");
std::regex lua_to_regex(R"(lua_to(.+?)\()");
std::string skp_push_utl = ""; // skip push parsing until this line has been reached
std::string skp_push_utl = ""; // skip push parsing until this ln has been reached
std::string lp_utl = "";
std::map<int, bool> push_track;
std::unordered_map<std::string, bool> push_track;
bool in_func = false;
bool enc_usg = false; // encountered usg
bool prc_def = false;
uint ret_val; // return value
bool is_if_ln;
std::string ind; // indent
std::string ln; // line
std::string ln;
std::vector<char>::iterator eol;
while (std::getline(source_file, ln))
{
{ // check for lines which can instantly be discarded
if (ln.empty()) continue; // skip empty lines
if (ln.starts_with("/*")) continue; // skip comment lines
}
if (ln.starts_with("/*")) continue; // skip block comment lines
if (!in_func)
{ // searching for next function
if (ln.starts_with("// ADDRESS - "))
{ // found address ln - create new FunctionInfo and reset variables
{ // found addr ln - create new FunctionInfo and reset variables
fi = {};
fi.address = parse_int(ln.substr(13));
fi.addr = std::stoi(&ln[13], 0, 16); // do not use prsi, these values prb occur only once, so no caching wanted
out_index = 0;
enc_usg = false;
lp_utl = "";
skp_push_utl = "";
push_track = {};
func_vars = {};
continue;
}
if (ln.starts_with("uint lua_wow_"))
{ // found ln with function signature
fi.func = ln.substr(13, ln.find_first_of("(") - 13); // get part of real function name
fi.nm = ln.substr(13, ln.find_first_of("(") - 13); // get part of real function name
in_func = true; // start function parsing from now on
continue;
}
}
else
{ // processing current function
is_if_ln = false;
if (ln == "{")
{ // this is the starting block of the function
prc_def = true; // enable regex handling for local variable definitions
continue;
}
if (ln == "}")
{ // end of function found
in_func = false;
if (fi.param_in_cnt == -1) fi.param_in.clear();
else fi.param_in_cnt = fi.param_in.size();
if (fi.param_out_cnt == -1) fi.param_out.clear();
sort_prune_varmap(&fi.param_in);
chk_vld(&fi);
fmap[fi.func] = fi;
//pdbg("# END OF " + fi.func);
fi.cln_varmap(true);
fi.cln_varmap(false);
fi.chk_vld();
fmap[fi.nm] = fi;
continue;
}
is_if_ln = false;
if (prc_def)
{ // if local variable definition parsing is enabled
if (ln == " ")
{ // reached end variable definition block, no further processing required
prc_def = false;
continue;
}
if (std::regex_search(ln, match1, var_decl_regex))
{ // found local variable, track it with init value 0
func_vars[match1[1]] = 0;
}
}
int i = 0;
while (i < ln.length())
{
@ -283,135 +223,133 @@ int main()
{
case 'c':
case 'd':
if (ln_is(ln, i, "do {"))
if (lnsw(ln, i, "do {"))
{ // setting loop end, if not already in a loop
set_str_if_empty(&lp_utl, ln[ln.length() - 1] == '{' ? ind + "}" : "\1"); // check if this is a single line do-while loop (who would even program such a thing!?
ssie(lp_utl, ln[ln.length() - 1] == '{' ? ind + "}" : "\1"); // check if this is a single ln do-while loop (who would even program such a thing!?
break;
}
if (ln_is(ln, i, "case ") || ln_is(ln, i, "default:"))
if (lnsw(ln, i, "case ") || lnsw(ln, i, "default:"))
{
if (push_track[ind.length() / 2]) set_str_if_empty(&skp_push_utl, ind + "}");
else push_track[ind.length() / 2] = false; // only execute if a previous case didn't already contain a push
if (push_track[ind]) ssie(skp_push_utl, ind + "}");
else push_track[ind] = false; // only execute if a previous case didn't already contain a push
break;
}
break;
case 'f':
if (ln_is(ln, i, "for ("))
if (lnsw(ln, i, "for ("))
{
set_str_if_empty(&lp_utl, ln[ln.length() - 1] == '{' ? ind + "}" : "\1"); // check if this is a single line for loop
ssie(lp_utl, ln[ln.length() - 1] == '{' ? ind + "}" : "\1"); // check if this is a single ln for loop
break;
}
break;
case 'i': // check for if
if (ln_is(ln, i, "if "))
if (lnsw(ln, i, "if "))
{ // enough characters left to be if statement
is_if_ln = true;
push_track[ind.length() / 2] = false;
push_track[ind] = false;
break;
}
break;
case 'e':
if (ln_is(ln, i, "else "))
if (lnsw(ln, i, "else "))
{ // enough characters left to be if statement
if (push_track[ind.length() / 2]) set_str_if_empty(&skp_push_utl, ln[ln.length() - 1] == '{' ? ind + "}" : "\1");
if (push_track[ind]) ssie(skp_push_utl, ln[ln.length() - 1] == '{' ? ind + "}" : "\1");
break;
}
break;
case 'g':
if (!fi.param_out.empty() && ln_is(ln, i, "goto "))
if (!fi.out.empty() && lnsw(ln, i, "goto "))
{
set_str_if_empty(&skp_push_utl, ln.substr(i + 5, ln.length() - i - 6) + ":");
ssie(skp_push_utl, std::string(ln.substr(i + 5, ln.length() - i - 6)) + ":");
break;
}
break;
case 'r': // check for return
if (fi.param_out_cnt == -1) break; // this function has a dynamic number of outputs, no need for further processing
if (ln_is(ln, i, "return "))
if (fi.out_cnt == -1) break; // this function has a dynamic number of outputs, no need for further processing
if (lnsw(ln, i, "return "))
{ // enough characters left to be the simplest return
ret_val = parse_int(ln.substr(i + 7, ln.length() - i - 8));
ret_val = prsi(std::string(&ln[i + 7], ln.length() - i - 8)).val;
// check if already encountered return value (except 0) matches; dynamic if not
if (ret_val != 0)
{ // TODO probably need to check if i am currently skipping push
fi.param_out_cnt = (fi.param_out_cnt == 0 || fi.param_out_cnt == ret_val) ? ret_val : -1;
if (ret_val == fi.param_out.size())
fi.out_cnt = (fi.out_cnt == 0 || fi.out_cnt == ret_val) ? ret_val : -1;
if (ret_val == fi.out.size())
{ // found a return statement and return value matches output param count
set_str_if_empty(&skp_push_utl, "\1skip2end");
ssie(skp_push_utl, "\1skip2end");
}
}
break;
}
break;
case 'w':
if (ln_is(ln, i, "while ("))
if (lnsw(ln, i, "while ("))
{ // setting loop end, if not already in a loop
set_str_if_empty(&lp_utl, ln[ln.length() - 1] == '{' ? ind + "}" : "\1"); // check if this is a single line while loop
ssie(lp_utl, ln[ln.length() - 1] == '{' ? ind + "}" : "\1"); // check if this is a single ln while loop
break;
}
break;
}
//pdbg(ln);
//pdbg(ind + "<-");
//if (auto match = ctre::match<var_ass_regex>(ln))
if (std::regex_search(ln, match1, var_ass_regex))
{
int i = 0;
//auto test = match.get<1>();
//pdbg("variable assignment happens for " + match.get<1>().to_string());
}
if (!enc_usg)
{ // usage string can only occur once anyway
if (std::regex_search(ln, match, usage_regex))
//if (auto match = ctre::match<usage_regex>(ln))
if (std::regex_search(ln, match1, usage_regex))
{ // found usg string
fi.usg = match[1];
fi.usg = match1[1];
size_t found = -1; // so the first find uses 0 through the increment
while ((found = fi.usg.find("\\\"", found + 1)) != std::string::npos) fi.usg.replace(found, 2, "\"");
enc_usg = true;
skp_push_utl = !skp_push_utl.empty() ? skp_push_utl : "\1"; // sometimes lua_pushfstring is used before lua_error; do not consider this an output!
}
}
}
if (fi.param_in_cnt != -1)
if (fi.in_cnt != -1)
{
process_varmap_regex(&fi.param_in, ln, &lua_is_regex);
process_varmap_regex(&fi.param_in, ln, &lua_to_regex);
process_varmap_regex(fi.in, ln, &lua_is_regex);
process_varmap_regex(fi.in, ln, &lua_to_regex);
}
if (fi.param_out_cnt != -1 && skp_push_utl.empty() && process_varmap_regex(&fi.param_out, ln, &lua_push_regex))
if (fi.out_cnt != -1 && skp_push_utl.empty() && process_varmap_regex(fi.out, ln, &lua_push_regex))
{
if (!lp_utl.empty())
{ // found lua_push* inside a loop
fi.param_out_cnt = -1;
fi.out_cnt = -1;
}
else
{ // normal processing
int lvl = is_if_ln ? ind.length() / 2 : (ind.length() - 2) / 2; // do not subtract 1 block level, if this was a simple if line
while (lvl >= 1)
std::string lvl = is_if_ln ? ind : ind.substr(0, ind.length() - 2); // do not subtract 1 block level, if this was a simple if ln
while (lvl >= " ")
{ // if a push was found, track it for this and all lower block levels
push_track[lvl] = true;
lvl--;
lvl = lvl.substr(0, lvl.length() - 2);
}
}
}
if (!lp_utl.empty() && ln.starts_with(lp_utl))
lp_utl = "";
if (lp_utl == "\1")
lp_utl = "";
if (!skp_push_utl.empty() && ln.starts_with(skp_push_utl))
skp_push_utl = ""; // reset skip since line has been reached now
if (skp_push_utl == "\1")
skp_push_utl = ""; // reset temporary skip which was used for 1 line
if (!lp_utl.empty() && ln.starts_with(lp_utl)) lp_utl = "";
if (lp_utl == "\1") lp_utl = "";
if (!skp_push_utl.empty() && ln.starts_with(skp_push_utl)) skp_push_utl = ""; // reset skip since ln has been reached now
if (skp_push_utl == "\1") skp_push_utl = ""; // reset temporary skip which was used for 1 ln
}
}
auto tend = std::chrono::high_resolution_clock::now();
auto duration = duration_cast<std::chrono::milliseconds>(tend - tstart);
int cnt_invalid = 0;
int cnt_total = 0;
for(auto &[name, fi] : fmap)
{
if (dbg && (!dbg_prnt_invld_only || !fi.valid_parse)) pfi(fi);
cnt_invalid += fi.valid_parse ? 0 : 1;
cnt_total++;
}
tend = std::chrono::high_resolution_clock::now();
if (dbg) pfmap(ivld_only);
std::cout << "GhidraParser is done..." << std::endl;
std::cout << "Functions parsed: " << std::to_string(cnt_total) << std::endl;
std::cout << "Invalid parses: " << std::to_string(cnt_invalid) << std::endl;
std::cout << "duration: " << duration.count() << " ms" << std::endl;
pstats();
std::cin.ignore();
return 0;
}

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@ -1,21 +1 @@
#pragma once
#include <map>
#include <string>
typedef unsigned int uint; // i am lazy
typedef unsigned char byte;
//#pragma pack(push, 1)
struct FunctionInfo
{
uint address = 0;
std::string func = "";
std::string usg = "";
std::map<int, std::vector<std::string>> param_in{};
int param_in_cnt = 0;
std::map<int, std::vector<std::string>> param_out{};
int param_out_cnt = 0;
std::vector<std::string> parse_errors;
bool valid_parse = false;
};
//#pragma pack(pop)

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@ -106,6 +106,8 @@
<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<ConformanceMode>true</ConformanceMode>
<LanguageStandard>stdcpp20</LanguageStandard>
<AdditionalIncludeDirectories>
</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<SubSystem>Console</SubSystem>
@ -121,6 +123,7 @@
<PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<ConformanceMode>true</ConformanceMode>
<LanguageStandard>stdcpp20</LanguageStandard>
<AdditionalIncludeDirectories>C:\Users\alphaomega\.vcpkg\installed\x64-windows\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
</ClCompile>
<Link>
<SubSystem>Console</SubSystem>
@ -130,12 +133,15 @@
</Link>
</ItemDefinitionGroup>
<ItemGroup>
<ClCompile Include="FunctionInfo.cpp" />
<ClCompile Include="GhidraParser.cpp" />
<ClCompile Include="Utility.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="FunctionInfo.hpp" />
<ClInclude Include="GhidraParser.hpp" />
<ClInclude Include="Utility.hpp" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
<ImportGroup Label="ExtensionTargets" />
</Project>

View File

@ -18,10 +18,22 @@
<ClCompile Include="GhidraParser.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="Utility.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="FunctionInfo.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="GhidraParser.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="Utility.hpp">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="FunctionInfo.hpp">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
</Project>

61
GhidraParser/Utility.cpp Normal file
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@ -0,0 +1,61 @@
#include "Utility.hpp"
#include <filesystem>
#include <fstream>
#include <iostream>
#include <stdexcept>
#include <string>
#include <unordered_map>
std::unordered_map<std::string, ParseResult> prs_cache
{
{ "FALSE", { true, 0 } },
{ "TRUE", { true, 1 } },
};
ParseResult prsi(std::string str)
{
auto found = prs_cache.find(str);
if (found != prs_cache.end()) return found->second; // cache hit
try
{ // cache miss, trying to parse and caching the result
int v;
if (str.starts_with("0x")) v = std::stoi(str.data(), 0, 16); // hex parsing
else v = std::stoi(str.data());
prs_cache[str] = { true, v };
}
catch (std::invalid_argument e)
{ // was not parsable, cache negative parse result
prs_cache[str] = { false, -1 }; // value doesn't really matter here
}
return prs_cache[str];
}
std::vector<char>* lf(std::string& path)
{
return lf(path.c_str());
}
std::vector<char>* lf(const char* path)
{
std::ifstream file(path, std::ios::binary);
if (!file.is_open()) return nullptr;
file.seekg(0, std::ios::end);
auto vec = new std::vector<char>(file.tellg());
if (vec->capacity() > 0)
{
file.seekg(0, std::ios::beg);
file.read(vec->data(), vec->capacity());
}
return vec;
}
bool lnsw(std::string& ln, int idx, const char* sw)
{
int len = strlen(sw);
return ln.length() - idx + 1 > len && ln.substr(idx, len) == sw;
}
void ssie(std::string& str, std::string repl)
{
if (str.empty()) str = repl;
}

16
GhidraParser/Utility.hpp Normal file
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@ -0,0 +1,16 @@
#pragma once
#include <string>
#include <vector>
struct ParseResult
{
bool prsbl; // was parsable
int val; // value which it was parsed into
};
ParseResult prsi(std::string str);
std::vector<char>* lf(std::string& path);
std::vector<char>* lf(const char* path);
bool lnsw(std::string& ln, int idx, const char* sw);
void ssie(std::string& str, std::string repl);
void pdbg(std::string& msg);