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#pragma once
#include <string>
#include <vector>
#include <sstream>
#include <iomanip>
#include <imgui.h>
#include "uicontext.h"
#include "stx.h"
#include "utils.h"
#include "cpp_parser.h"
#include "binding_type.h"
struct property_base
{
virtual std::string to_arg(std::string_view a = "", std::string_view b = "") const = 0;
virtual bool set_from_arg(std::string_view s) = 0;
virtual const char* c_str() const = 0;
virtual std::vector<std::string> used_variables() const = 0;
virtual void rename_variable(const std::string& oldn, const std::string& newn) = 0;
};
//member variable expression like id, id.member, id[0], id.size()
template <class T = void>
struct field_ref : property_base
{
using type = T;
bool empty() const {
return str.empty();
}
const std::string& value() const {
return str;
}
bool has_single_variable() const {
if (empty())
return false;
return cpp::is_id(str);
}
T eval(const UIContext& ctx) const;
bool set_from_arg(std::string_view s) {
str = s;
return true;
}
std::string to_arg(std::string_view = "", std::string_view = "") const {
return str;
}
std::vector<std::string> used_variables() const {
size_t i = 0;
auto id = cpp::find_id(str, i);
if (id == "")
return {};
return { std::string(id.data(), id.size()) };
};
void rename_variable(const std::string& oldn, const std::string& newn)
{
size_t i = 0;
auto id = cpp::find_id(str, i);
if (id == oldn)
str.replace(id.data() - str.data(), id.size(), newn);
}
const char* c_str() const { return str.c_str(); }
std::string* access() { return &str; }
private:
std::string str;
};
//member function name
template <class FuncSig = void()>
struct event : property_base
{
bool empty() const {
return str.empty();
}
bool set_from_arg(std::string_view s) {
str = s;
return true;
}
std::string to_arg(std::string_view = "", std::string_view = "") const {
return str;
}
std::vector<std::string> used_variables() const {
if (empty())
return {};
return { str };
};
void rename_variable(const std::string& oldn, const std::string& newn)
{
if (str == oldn)
str = newn;
}
const char* c_str() const { return str.c_str(); }
std::string* access() { return &str; }
private:
std::string str;
};
//value only
template <class T, bool E = std::is_enum_v<T>>
struct direct_val;
template <class T>
struct direct_val<T, false> : property_base
{
direct_val(T v) : val(v) {}
operator T&() { return val; }
operator const T&() const { return val; }
/*bool operator== (const direct_val& dv) const {
return val == dv.val;
}
bool operator!= (const direct_val& dv) const {
return val != dv.val;
}*/
direct_val& operator= (const T& v) {
val = v;
return *this;
}
bool set_from_arg(std::string_view str) {
std::istringstream is;
is.str(std::string(str));
if constexpr (std::is_enum_v<T>) {
int tmp;
is >> tmp;
val = (T)tmp;
}
else {
is >> std::boolalpha >> val;
}
return is.good();
}
std::string to_arg(std::string_view = "", std::string_view = "") const {
std::ostringstream os;
os << std::boolalpha << val;
return os.str();
}
std::vector<std::string> used_variables() const {
return {};
}
void rename_variable(const std::string& oldn, const std::string& newn)
{}
T* access() { return &val; }
const char* c_str() const { return nullptr; }
private:
T val;
};
#define add$(f) add(#f, f)
template <class T>
struct direct_val<T, true> : property_base
{
direct_val(int v = 0) : val(v) {}
void clear() {
ids.clear();
}
direct_val& add(const char* id, int v) {
ids.push_back({ id, v });
return *this;
}
direct_val& separator() {
ids.push_back({ "", 0 });
return *this;
}
auto find_id(int fl) const {
return stx::find_if(ids, [this,fl](const auto& id) {
return id.first != "" && id.second == fl;
});
}
const auto& get_ids() const { return ids; }
const std::string& get_id() const {
static std::string none;
auto it = find_id(val);
return it != ids.end() ? it->first : none;
}
void set_id(const std::string& v) {
auto it = stx::find_if(ids, [&v](const auto& id) { return id.first == v; });
if (it != ids.end())
val = it->second;
}
operator T() const { return (T)val; }
direct_val& operator= (int v) {
val = v;
return *this;
}
direct_val& operator|= (int v) {
val |= v;
return *this;
}
direct_val& operator&= (int v) {
val &= v;
return *this;
}
bool set_from_arg(std::string_view str) {
bool ok = true;
val = {};
size_t i = 0;
while (true) {
std::string s;
size_t j = str.find('|', i);
if (j == std::string::npos)
s = str.substr(i);
else
s = str.substr(i, j - i);
auto id = stx::find_if(ids, [&](const auto& id) { return id.first == s; });
//assert(id != ids.end());
if (s == "0" ||
(!s.compare(0, 5, "ImGui") && !s.compare(s.size() - 5, 5, "_None")))
val;
else if (id != ids.end())
val |= id->second;
else
ok = false;
if (j == std::string::npos)
break;
i = j + 1;
}
return ok;
}
std::string to_arg(std::string_view = "", std::string_view = "") const {
std::string str;
bool simpleEnum = false;
for (const auto& id : ids) {
if (id.first != "" && !id.second)
simpleEnum = true;
}
if (simpleEnum) {
auto it = stx::find_if(ids, [this](const auto& id) { return id.second == val; });
str = it == ids.end() ? "0" : it->first;
}
else {
for (const auto& id : ids)
if ((val & id.second) == id.second && id.first != "")
str += id.first + " | ";
if (str != "")
str.resize(str.size() - 3);
else
str = "0";
}
return str;
}
std::vector<std::string> used_variables() const {
return {};
}
void rename_variable(const std::string& oldn, const std::string& newn)
{}
int* access() { return &val; }
const char* c_str() const { return nullptr; }
private:
int val;
std::vector<std::pair<std::string, int>> ids;
};
template <>
struct direct_val<dimension_t> : property_base
{
direct_val(float v) : val(v) {}
operator float&() { return val; }
operator const float() const { return val; }
bool operator== (float dv) const {
return val == dv;
}
bool operator!= (float dv) const {
return val != dv;
}
direct_val& operator= (float v) {
val = v;
return *this;
}
float eval_px(const UIContext& ctx) const;
bool set_from_arg(std::string_view s) {
std::istringstream is;
is.str(std::string(s));
is >> val;
//strip unit calculation
std::string_view factor = s.size() > 3 ? s.substr(s.size() - 3) : "";
if (factor == "*dp")
{
std::istringstream is(std::string(s.substr(0, s.size() - 3)));
float v;
if ((is >> v) && is.eof())
val = v;
}
return true;
}
std::string to_arg(std::string_view unit, std::string_view = "") const {
std::ostringstream os;
os << val;
if (unit != "")
os << "*" << unit;
return os.str();
}
std::vector<std::string> used_variables() const {
return {};
}
void rename_variable(const std::string& oldn, const std::string& newn)
{}
float* access() { return &val; }
const char* c_str() const { return nullptr; }
private:
float val;
};
template <>
struct direct_val<pzdimension_t> : property_base
{
direct_val(float v = -1) : val(v) {}
operator float&() { return val; }
operator const float() const { return val; }
bool empty() const { return val == -1; }
void clear() { val = -1; }
bool has_value() const { return !empty(); }
bool operator== (float dv) const {
return val == dv;
}
bool operator!= (float dv) const {
return val != dv;
}
direct_val& operator= (float v) {
val = v;
return *this;
}
float eval_px(const UIContext& ctx) const;
bool set_from_arg(std::string_view s) {
std::istringstream is;
is.str(std::string(s));
is >> val;
//strip unit calculation
std::string_view factor = s.size() > 3 ? s.substr(s.size() - 3) : "";
if (factor == "*dp")
{
std::istringstream is(std::string(s.substr(0, s.size() - 3)));
float v;
if ((is >> v) && is.eof())
val = v;
}
return true;
}
std::string to_arg(std::string_view unit, std::string_view = "") const {
std::ostringstream os;
os << val;
if (unit != "")
os << "*" << unit;
return os.str();
}
std::vector<std::string> used_variables() const {
return {};
}
void rename_variable(const std::string& oldn, const std::string& newn)
{}
float* access() { return &val; }
const char* c_str() const { return nullptr; }
private:
float val;
};
template <>
struct direct_val<pzdimension2_t> : property_base
{
direct_val(ImVec2 dim = { -1, -1 }) : val(dim) {}
operator ImVec2&() { return val; }
operator const ImVec2() const { return val; }
float& operator[] (int i) { return val[i]; }
float operator[] (int i) const { return val[i]; }
bool operator== (ImVec2 dv) const {
return val[0] == dv[0] && val[1] == dv[1];
}
bool operator!= (ImVec2 dv) const {
return val[0] != dv[0] && val[1] != dv[1];
}
direct_val& operator= (ImVec2 v) {
val = v;
return *this;
}
void clear() { val[0] = val[1] = -1; }
bool empty() const { return val[0] == -1 && val[1] == -1; }
bool has_value() const { return !empty(); }
ImVec2 eval_px(const UIContext& ctx) const;
bool set_from_arg(std::string_view s) {
val = cpp::parse_fsize(std::string(s));
return true;
}
std::string to_arg(std::string_view unit, std::string_view = "") const {
bool hasv = has_value();
std::ostringstream os;
os << "{ " << val[0];
if (unit != "" && hasv && val[0])
os << "*" << unit;
os << ", " << val[1];
if (unit != "" && hasv && val[1])
os << "*" << unit;
os << " }";
return os.str();
}
std::vector<std::string> used_variables() const {
return {};
}
void rename_variable(const std::string& oldn, const std::string& newn)
{}
ImVec2* access() { return &val; }
const char* c_str() const { return nullptr; }
private:
ImVec2 val;
};
template <>
struct direct_val<std::string> : property_base
{
direct_val(const std::string& v) : val(v) {}
direct_val(const char* v) : val(v) {}
operator std::string&() { return val; }
operator const std::string&() const { return val; }
//operator std::string_view() const { return val; }
const std::string& value() const { return val; }
bool set_from_arg(std::string_view s) {
val = cpp::parse_str_arg(s);
return val != cpp::INVALID_TEXT;
}
std::string to_arg(std::string_view = "", std::string_view = "") const {
return "\"" + cpp::escape(val) + "\"";
}
std::vector<std::string> used_variables() const {
return {};
}
void rename_variable(const std::string& oldn, const std::string& newn)
{}
std::string* access() { return &val; }
const char* c_str() const { return val.c_str(); }
bool empty() const { return val.empty(); }
bool operator== (const std::string& dv) const {
return val == dv;
}
bool operator!= (const std::string& dv) const {
return val != dv;
}
private:
std::string val;
};
template <>
struct direct_val<shortcut_t> : property_base
{
direct_val(const std::string& v) : sh(v) {}
direct_val(const char* v) : sh(v) {}
int flags() const { return flags_; }
void set_flags(int f) { flags_ = f; }
//const std::string& value() const { return val; }
bool set_from_arg(std::string_view s) {
sh = ParseShortcut(s);
flags_ = 0;
if (s.find("ImGuiInputFlags_RouteGlobal") != std::string::npos)
flags_ |= ImGuiInputFlags_RouteGlobal;
if (s.find("ImGuiInputFlags_Repat") != std::string::npos)
flags_ |= ImGuiInputFlags_Repeat;
return true;
}
std::string to_arg(std::string_view = "", std::string_view = "") const {
std::ostringstream os;
os << CodeShortcut(sh);
std::vector<std::string> fl;
if (flags_ & ImGuiInputFlags_RouteGlobal)
fl.push_back("ImGuiInputFlags_RouteGlobal");
if (flags_ & ImGuiInputFlags_Repeat)
fl.push_back("ImGuiInputFlags_Repeat");
if (fl.size())
os << ", " << stx::join(fl, " | ");
return os.str();
}
std::vector<std::string> used_variables() const {
return {};
}
void rename_variable(const std::string& oldn, const std::string& newn)
{}
std::string* access() { return &sh; }
const char* c_str() const { return sh.c_str(); }
bool empty() const { return sh.empty(); }
private:
std::string sh;
int flags_;
};
//value or binding expression
//2*w
template <class T = void>
struct bindable : property_base
{
bindable() {
}
template <class U = std::conditional_t<std::is_same_v<T, void>, std::nullptr_t, T>>
bindable(U val) {
std::ostringstream os;
os << std::boolalpha << val;
str = os.str();
}
bool operator== (const bindable& b) const {
return str == b.str;
}
bool operator!= (const bindable& b) const {
return str != b.str;
}
bool empty() const { return str.empty(); }
bool has_value() const {
return cpp::is_literal(str);
}
T value() const {
if (!has_value())
return {};
std::istringstream is(str);
T val{};
if (is >> std::boolalpha >> val)
return val;
if constexpr (std::is_convertible_v<bool, T>) {
if (str == "true")
return true;
if (str == "false")
return false;
}
return {};
}
T eval(const UIContext& ctx) const;
bool has_single_variable() const {
return cpp::is_id(str);
}
bool is_reference() const {
return cpp::is_lvalue(str);
}
bool set_from_arg(std::string_view s) {
str = s;
//try to remove trailing f
if (std::is_same_v<T, float> && str.size() >= 3 && !str.compare(str.size() - 2, 2, ".f")) {
str.resize(str.size() - 2);
if (!has_value())
str += ".f";
}
else if (std::is_same_v<T, float> && str.size() && str.back() == 'f') {
str.pop_back();
if (!has_value())
str.push_back('f');
}
return true;
}
std::string to_arg(std::string_view = "", std::string_view = "") const {
if (std::is_same_v<T, float> && has_value()) {
std::string tmp = str;
if (str.find('.') == std::string::npos)
tmp += ".f";
else
tmp += "f";
return tmp;
}
return str;
}
std::vector<std::string> used_variables() const {
if (empty() || has_value())
return {};
std::vector<std::string> vars;
size_t i = 0;
while (true) {
auto id = cpp::find_id(str, i);
if (id == "")
break;
vars.push_back(std::string(id));
}
return vars;
};
void rename_variable(const std::string& oldn, const std::string& newn)
{
if (empty() || has_value())
return;
std::vector<std::string> vars;
size_t i = 0;
while (true) {
auto id = cpp::find_id(str, i);
if (id == "")
break;
if (id == oldn)
str.replace(id.data() - str.data(), id.size(), newn);
}
}
const char* c_str() const { return str.c_str(); }
std::string* access() { return &str; }
private:
std::string str;
};
template <>
struct bindable<dimension_t> : property_base
{
bindable() {
}
bindable(float val)
{
std::ostringstream os;
os << val;
str = os.str();
}
bool operator== (const bindable& b) const {
return str == b.str && grow == b.grow;
}
bool operator!= (const bindable& b) const {
return str != b.str || grow != b.grow;
}
bool empty() const {
return str.empty();
}
bool zero() const {
if (empty())
return false;
std::istringstream is(str);
float val;
if (!(is >> val) || val)
return false;
return is.eof() || is.tellg() == str.size();
}
bool stretched() const {
return grow;
}
bool has_value() const {
return cpp::is_literal(str);
}
float value() const {
if (!has_value())
return {};
std::istringstream is(str);
float val{};
is >> val;
return val;
}
float eval_px(int axis, const UIContext& ctx) const;
bool set_from_arg(std::string_view s) {
str = s;
stretch(false);
//strip unit calculation
std::string_view factor = s.size() > 3 ? s.substr(s.size() - 3) : "";
if (factor == "*fs" || factor == "*dp")
{
std::istringstream is(std::string(s.substr(0, s.size() - 3)));
float val;
if ((is >> val) && is.eof())
str = s.substr(0, s.size() - 3);
}
else if (s.size() && s.back() == 'x')
{
std::istringstream is(std::string(s.substr(0, s.size() - 1)));
float val;
if ((is >> val) && is.eof())
str.pop_back();
stretch(true);
}
return true;
}
std::string to_arg(std::string_view unit, std::string_view stretchCode = "") const {
if (stretched())
{
if (stretchCode != "")
return std::string(stretchCode);
return str + "x";
}
if (unit != "" && has_value() &&
str != "0" && str != "-1") //don't suffix special values
{
return str + "*" + unit;
}
return str;
}
std::vector<std::string> used_variables() const {
if (empty() || has_value())
return {};
std::vector<std::string> vars;
size_t i = 0;
while (true) {
auto id = cpp::find_id(str, i);
if (id == "")
break;
vars.push_back(std::string(id));
}
return vars;
};
void rename_variable(const std::string& oldn, const std::string& newn)
{
if (empty() || has_value())
return;
std::vector<std::string> vars;
size_t i = 0;
while (true) {
auto id = cpp::find_id(str, i);
if (id == "")
break;
if (id == oldn)
str.replace(id.data() - str.data(), id.size(), newn);
}
}
const char* c_str() const { return str.c_str(); }
std::string* access() { return &str; }
void stretch(bool s) {
grow = s;
std::ostringstream os;
if (grow) {
auto val = value();
os << std::fixed << std::setprecision(1) << val;
str = os.str();
}
else if (has_value()) {
auto val = value();
os << std::defaultfloat << val;
str = os.str();
}
}
private:
std::string str;
bool grow = false;
};
//Hi {names[i]} you are {ages[i].exact():2} years old
template <>
struct bindable<std::string> : property_base
{
bindable() {}
bindable(const char* val) {
str = val;
}
bindable(const std::string& val) {
str = val;
}
bool operator== (const bindable& b) const {
return str == b.str;
}
bool operator!= (const bindable& b) const {
return str != b.str;
}
bool empty() const { return str.empty(); }
const std::string& value() const { return str; }
bool set_from_arg(std::string_view s)
{
str = cpp::parse_str_arg(s);
return str != cpp::INVALID_TEXT;
}
std::string to_arg(std::string_view = "", std::string_view = "") const
{
return cpp::to_str_arg(str);
//todo: prefer single variable. Does it need to be c_str()??
// , has_single_variable());
}
bool has_single_variable() const {
if (empty() || str[0] != '{' || str.back() != '}')
return false;
auto vars = used_variables();
if (vars.size() != 1 || str.compare(1, str.size() - 2, vars[0]))
return false;
return true;
}
std::vector<std::string> used_variables() const {
std::vector<std::string> vars;
size_t i = 0;
while (true) {
size_t j = str.find('{', i);
if (j == std::string::npos)
break;
if (j + 1 < str.size() && str[j + 1] == '{')
i = j + 2;
else {
i = j + 1;
size_t e;
for (e = i + 1; e < str.size(); ++e)
if (str[e] == ':' || str[e] == '}')
break;
if (e >= str.size())
break;
if (e > i) {
auto s = str.substr(i, e - i);
size_t k = 0;
while (true) {
auto id = cpp::find_id(s, k);
if (id == "")
break;
vars.push_back(std::string(id));
}
}
}
}
return vars;
};
void rename_variable(const std::string& oldn, const std::string& newn) {
std::vector<std::string> vars;
size_t i = 0;
while (true) {
size_t j = str.find('{', i);
if (j == std::string::npos)
break;
if (j + 1 < str.size() && str[j + 1] == '{')
i = j + 2;
else {
i = j + 1;
size_t e = std::min(str.find(':', i), str.find('}', i));
if (e == std::string::npos)
break;
auto s = str.substr(i, e - i);
size_t k = 0;
while (true) {
auto id = cpp::find_id(s, k);
if (id == "")
break;
if (id == oldn)
str.replace(id.data() - s.data() + i, id.size(), newn);
}
}
}
}
const char* c_str() const { return str.c_str(); }
std::string* access() { return &str; }
protected:
std::string str;
};
//{items} or prvni\0druha\0
template <>
struct bindable<std::vector<std::string>> : bindable<std::string>
{
bindable() {}
bool has_single_variable() const
{
return str.size() > 2 && str[0] == '{' &&
str.find('{', 1) == std::string::npos &&
str.back() == '}';
}
std::string to_arg(std::string_view = "", std::string_view = "") const
{
return cpp::to_str_arg(str, true);
}
};
template <>
struct bindable<font_name_t> : property_base
{
bindable() {
}
bindable(std::string_view fn) {
set_font_name(fn);
}
bool operator== (const bindable& b) const {
return str == b.str;
}
bool operator!= (const bindable& b) const {
return str != b.str;
}
bool empty() const { return str.empty(); }
bool has_value() const {
return !str.compare(0, 22, "ImRad::GetFontByName(\"");
}
std::string eval(const UIContext& ctx) const;
void set_font_name(std::string_view fn) {
str = "ImRad::GetFontByName(\"" + std::string(fn) + "\")";
}
bool set_from_arg(std::string_view s) {
str = s;
return true;
}
std::string to_arg(std::string_view = "", std::string_view = "") const {
return str;
}
std::vector<std::string> used_variables() const {
if (empty())
return {};
std::vector<std::string> vars;
size_t i = 0;
while (true) {
auto id = cpp::find_id(str, i);
if (id == "")
break;
vars.push_back(std::string(id));
}
return vars;
};
void rename_variable(const std::string& oldn, const std::string& newn)
{
if (empty())
return;
std::vector<std::string> vars;
size_t i = 0;
while (true) {
auto id = cpp::find_id(str, i);
if (id == "")
break;
if (id == oldn)
str.replace(id.data() - str.data(), id.size(), newn);
}
}
const char* c_str() const { return str.c_str(); }
std::string* access() { return &str; }
private:
std::string str;
};
template <>
struct bindable<color_t> : property_base
{
bindable() {
}
bindable(ImU32 c) {
std::ostringstream os;
if (c)
os << "0x" << std::hex << std::setw(2 * 4) << std::setfill('0') << c;
str = os.str();
}
bool operator== (const bindable& b) const {
return str == b.str;
}
bool operator!= (const bindable& b) const {
return str != b.str;
}
bool empty() const { return str.empty(); }
/*bool has_value() const {
if (empty())
return false;
std::istringstream is(str);
color_t val;
if (!(is >> val))
return false;
if (is.eof())
return true;
return is.tellg() == str.size();
}*/
ImU32 eval(int col, const UIContext& ctx) const;
bool has_style_color() const {
if (!str.compare(0, 34, "ImGui::GetStyle().Colors[ImGuiCol_") && str.back() == ']') //compatibility
return true;
if (!str.compare(0, 34, "ImGui::GetStyleColorVec4(ImGuiCol_") && str.back() == ')')
return true;
return false;
}
int style_color() const {
if (!has_style_color())
return -1;
std::string code = str.substr(34, str.size() - 34 - 1);
for (int i = 0; i < ImGuiCol_COUNT; ++i)
if (code == ImGui::GetStyleColorName(i))
return i;
return -1;
}
void set_style_color(int i) {
std::ostringstream os;
os << "ImGui::GetStyleColorVec4(ImGuiCol_" << ImGui::GetStyleColorName(i) << ")";
str = os.str();
}
bool set_from_arg(std::string_view s) {
str = s;
return true;
}
std::string to_arg(std::string_view = "", std::string_view = "") const {
return str;
}
std::vector<std::string> used_variables() const {
if (empty())// || has_value())
return {};
std::vector<std::string> vars;
size_t i = 0;
while (true) {
auto id = cpp::find_id(str, i);
if (id == "")
break;
vars.push_back(std::string(id));
}
return vars;
};
void rename_variable(const std::string& oldn, const std::string& newn)
{
if (empty()) // || has_value())
return;
std::vector<std::string> vars;
size_t i = 0;
while (true) {
auto id = cpp::find_id(str, i);
if (id == "")
break;
if (id == oldn)
str.replace(id.data() - str.data(), id.size(), newn);
}
}
const char* c_str() const { return str.c_str(); }
std::string* access() { return &str; }
private:
std::string str;
};
struct data_loop : property_base
{
bindable<int> limit;
field_ref<int> index; //int indexes are easier than size_t
bool empty() const {
return limit.empty();
}
std::string index_name_or(std::string_view s) const {
return index.empty() ? std::string(s) : index.to_arg();
}
std::string container_var() const {
auto vars = limit.used_variables();
if (vars.size())
return vars[0];
return "";
}
std::string container_expr() {
std::string var = container_var();
const std::string& str = *limit.access();
size_t i = str.find(var);
if ((i && str[i - 1] == '*') || !str.compare(i + var.size(), 2, "->"))
return "(*" + var + ")";
return var;
}
bool set_from_arg(std::string_view code) {
if (code.compare(0, 4, "for("))
return false;
bool local = !code.compare(4, 3, "int") || !code.compare(4, 6, "size_t");
auto i = code.find(";");
if (i == std::string::npos)
return false;
code.remove_prefix(i + 1);
i = code.find(";");
if (i == std::string::npos)
return false;
code.remove_suffix(code.size() - i);
i = code.find("<");
if (local)
*index.access() = "";
else
*index.access() = code.substr(0, i);
limit.set_from_arg(code.substr(i + 1));
return true;
}
std::string to_arg(std::string_view forVarName, std::string_view = "") const {
if (empty())
return "";
std::ostringstream os;
std::string name = index_name_or(std::string(forVarName));
os << "for (";
if (index.empty())
os << "int ";
os << name << " = 0; " << name << " < " << limit.to_arg()
<< "; ++" << name << ")";
return os.str();
}
std::vector<std::string> used_variables() const {
auto vars = index.used_variables();
auto vars2 = limit.used_variables();
vars.insert(vars.end(), vars2.begin(), vars2.end());
return vars;
};
void rename_variable(const std::string& oldn, const std::string& newn)
{
limit.rename_variable(oldn, newn);
index.rename_variable(oldn, newn);
}
const char* c_str() const { return limit.c_str(); }
std::string* access() { return limit.access(); }
};
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