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Bump simplecpp

This commit is contained in:
Daniel Marjamäki 2021-04-26 16:25:39 +02:00
parent b798b99777
commit 659a03e754
2 changed files with 55 additions and 7 deletions
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59
externals/simplecpp/simplecpp.cpp vendored
View File

@ -70,6 +70,8 @@ static const simplecpp::TokenString ENDIF("endif");
static const simplecpp::TokenString PRAGMA("pragma");
static const simplecpp::TokenString ONCE("once");
static const simplecpp::TokenString HAS_INCLUDE("__has_include");
template<class T> static std::string toString(T t)
{
std::ostringstream ostr;
@ -1287,7 +1289,10 @@ namespace simplecpp {
rawtokens2.push_back(new Token(rawtok->str(), rawtok1->location));
rawtok = rawtok->next;
}
if (expand(&output2, rawtok1->location, rawtokens2.cfront(), macros, expandedmacros))
bool first = true;
if (valueToken && valueToken->str() == rawtok1->str())
first = false;
if (expand(&output2, rawtok1->location, rawtokens2.cfront(), macros, expandedmacros, first))
rawtok = rawtok1->next;
} else {
rawtok = expand(&output2, rawtok->location, rawtok, macros, expandedmacros);
@ -1517,8 +1522,10 @@ namespace simplecpp {
return sameline(lpar,tok) ? tok : NULL;
}
const Token * expand(TokenList * const output, const Location &loc, const Token * const nameTokInst, const std::map<TokenString,Macro> &macros, std::set<TokenString> expandedmacros) const {
expandedmacros.insert(nameTokInst->str());
const Token * expand(TokenList * const output, const Location &loc, const Token * const nameTokInst, const std::map<TokenString,Macro> &macros, std::set<TokenString> expandedmacros, bool first=false) const {
if (!first)
expandedmacros.insert(nameTokInst->str());
usageList.push_back(loc);
@ -2510,7 +2517,6 @@ std::map<std::string, simplecpp::TokenList*> simplecpp::load(const simplecpp::To
continue;
bool systemheader = (htok->str()[0] == '<');
const std::string header(realFilename(htok->str().substr(1U, htok->str().size() - 2U)));
if (hasFile(ret, sourcefile, header, dui, systemheader))
continue;
@ -2580,6 +2586,7 @@ void simplecpp::preprocess(simplecpp::TokenList &output, const simplecpp::TokenL
sizeOfType.insert(std::make_pair("double *", sizeof(double *)));
sizeOfType.insert(std::make_pair("long double *", sizeof(long double *)));
const bool hasInclude = (dui.std.size() == 5 && dui.std.compare(0,3,"c++") == 0 && dui.std >= "c++17");
std::map<TokenString, Macro> macros;
for (std::list<std::string>::const_iterator it = dui.defines.begin(); it != dui.defines.end(); ++it) {
const std::string &macrostr = *it;
@ -2598,6 +2605,15 @@ void simplecpp::preprocess(simplecpp::TokenList &output, const simplecpp::TokenL
macros.insert(std::make_pair("__LINE__", Macro("__LINE__", "__LINE__", files)));
macros.insert(std::make_pair("__COUNTER__", Macro("__COUNTER__", "__COUNTER__", files)));
if (dui.std == "c++11")
macros.insert(std::make_pair("__cplusplus", Macro("__cplusplus", "201103L", files)));
else if (dui.std == "c++14")
macros.insert(std::make_pair("__cplusplus", Macro("__cplusplus", "201402L", files)));
else if (dui.std == "c++17")
macros.insert(std::make_pair("__cplusplus", Macro("__cplusplus", "201703L", files)));
else if (dui.std == "c++20")
macros.insert(std::make_pair("__cplusplus", Macro("__cplusplus", "202002L", files)));
// TRUE => code in current #if block should be kept
// ELSE_IS_TRUE => code in current #if block should be dropped. the code in the #else should be kept.
// ALWAYS_FALSE => drop all code in #if and #else
@ -2782,9 +2798,9 @@ void simplecpp::preprocess(simplecpp::TokenList &output, const simplecpp::TokenL
if (ifstates.top() == ALWAYS_FALSE || (ifstates.top() == ELSE_IS_TRUE && rawtok->str() != ELIF))
conditionIsTrue = false;
else if (rawtok->str() == IFDEF)
conditionIsTrue = (macros.find(rawtok->next->str()) != macros.end());
conditionIsTrue = (macros.find(rawtok->next->str()) != macros.end() || (hasInclude && rawtok->next->str() == HAS_INCLUDE));
else if (rawtok->str() == IFNDEF)
conditionIsTrue = (macros.find(rawtok->next->str()) == macros.end());
conditionIsTrue = (macros.find(rawtok->next->str()) == macros.end() && !(hasInclude && rawtok->next->str() == HAS_INCLUDE));
else { /*if (rawtok->str() == IF || rawtok->str() == ELIF)*/
TokenList expr(files);
for (const Token *tok = rawtok->next; tok && tok->location.sameline(rawtok->location); tok = tok->next) {
@ -2801,6 +2817,8 @@ void simplecpp::preprocess(simplecpp::TokenList &output, const simplecpp::TokenL
if (tok) {
if (macros.find(tok->str()) != macros.end())
expr.push_back(new Token("1", tok->location));
else if (hasInclude && tok->str() == HAS_INCLUDE)
expr.push_back(new Token("1", tok->location));
else
expr.push_back(new Token("0", tok->location));
}
@ -2820,6 +2838,35 @@ void simplecpp::preprocess(simplecpp::TokenList &output, const simplecpp::TokenL
continue;
}
if (hasInclude && tok->str() == HAS_INCLUDE) {
tok = tok->next;
const bool par = (tok && tok->op == '(');
if (par)
tok = tok->next;
if (tok) {
const std::string &sourcefile = rawtok->location.file();
const bool systemheader = (tok->str()[0] == '<');
const std::string header(realFilename(tok->str().substr(1U, tok->str().size() - 2U)));
std::ifstream f;
const std::string header2 = openHeader(f,dui,sourcefile,header,systemheader);
expr.push_back(new Token(header2.empty() ? "0" : "1", tok->location));
}
if (par)
tok = tok ? tok->next : NULL;
if (!tok || !sameline(rawtok,tok) || (par && tok->op != ')')) {
if (outputList) {
Output out(rawtok->location.files);
out.type = Output::SYNTAX_ERROR;
out.location = rawtok->location;
out.msg = "failed to evaluate " + std::string(rawtok->str() == IF ? "#if" : "#elif") + " condition";
outputList->push_back(out);
}
output.clear();
return;
}
continue;
}
const Token *tmp = tok;
if (!preprocessToken(expr, &tmp, macros, files, outputList)) {
output.clear();

3
externals/simplecpp/simplecpp.h vendored
View File

@ -288,7 +288,7 @@ namespace simplecpp {
/**
* Command line preprocessor settings.
* On the command line these are configured by -D, -U, -I, --include
* On the command line these are configured by -D, -U, -I, --include, -std
*/
struct SIMPLECPP_LIB DUI {
DUI() {}
@ -296,6 +296,7 @@ namespace simplecpp {
std::set<std::string> undefined;
std::list<std::string> includePaths;
std::list<std::string> includes;
std::string std;
};
SIMPLECPP_LIB std::map<std::string, TokenList*> load(const TokenList &rawtokens, std::vector<std::string> &filenames, const DUI &dui, OutputList *outputList = NULL);