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PlaceholderParser: Implemented skipping of inactive if / else / endif

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and ternary operator branches, thus missing variables or addressing
outside of the variable range in an inactive branch will not trigger
an error.
This commit is contained in:
Vojtech Bubnik 2023-03-24 13:55:48 +01:00
parent a391d4c445
commit 5b115b7972
2 changed files with 370 additions and 179 deletions
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517
src/libslic3r/PlaceholderParser.cpp
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@ -177,6 +177,7 @@ namespace client
int index { -1 };
boost::iterator_range<Iterator> it_range;
bool empty() const { return opt == nullptr; }
bool has_index() const { return index != -1; }
};
@ -292,6 +293,9 @@ namespace client
{
std::string out;
switch (this->type()) {
case TYPE_EMPTY:
// Inside an if / else block to be skipped.
break;
case TYPE_BOOL: out = this->b() ? "true" : "false"; break;
case TYPE_INT: out = std::to_string(this->i()); break;
case TYPE_DOUBLE:
@ -321,6 +325,9 @@ namespace client
expr unary_minus(const Iterator start_pos) const
{
switch (this->type()) {
case TYPE_EMPTY:
// Inside an if / else block to be skipped.
return expr();
case TYPE_INT :
return expr<Iterator>(- this->i(), start_pos, this->it_range.end());
case TYPE_DOUBLE:
@ -336,6 +343,9 @@ namespace client
expr unary_integer(const Iterator start_pos) const
{
switch (this->type()) {
case TYPE_EMPTY:
// Inside an if / else block to be skipped.
return expr();
case TYPE_INT:
return expr<Iterator>(this->i(), start_pos, this->it_range.end());
case TYPE_DOUBLE:
@ -351,6 +361,9 @@ namespace client
expr round(const Iterator start_pos) const
{
switch (this->type()) {
case TYPE_EMPTY:
// Inside an if / else block to be skipped.
return expr();
case TYPE_INT:
return expr<Iterator>(this->i(), start_pos, this->it_range.end());
case TYPE_DOUBLE:
@ -366,6 +379,9 @@ namespace client
expr unary_not(const Iterator start_pos) const
{
switch (this->type()) {
case TYPE_EMPTY:
// Inside an if / else block to be skipped.
return expr();
case TYPE_BOOL:
return expr<Iterator>(! this->b(), start_pos, this->it_range.end());
default:
@ -378,7 +394,9 @@ namespace client
expr &operator+=(const expr &rhs)
{
if (this->type() == TYPE_STRING) {
if (this->type() == TYPE_EMPTY) {
// Inside an if / else block to be skipped.
} else if (this->type() == TYPE_STRING) {
// Convert the right hand side to string and append.
*m_data.s += rhs.to_string();
} else if (rhs.type() == TYPE_STRING) {
@ -399,72 +417,98 @@ namespace client
expr &operator-=(const expr &rhs)
{
const char *err_msg = "Cannot subtract non-numeric types.";
this->throw_if_not_numeric(err_msg);
rhs.throw_if_not_numeric(err_msg);
if (this->type() == TYPE_DOUBLE || rhs.type() == TYPE_DOUBLE)
this->set_d_lite(this->as_d() - rhs.as_d());
else
m_data.i -= rhs.i();
this->it_range = boost::iterator_range<Iterator>(this->it_range.begin(), rhs.it_range.end());
if (this->type() == TYPE_EMPTY) {
// Inside an if / else block to be skipped.
this->reset();
} else {
const char *err_msg = "Cannot subtract non-numeric types.";
this->throw_if_not_numeric(err_msg);
rhs.throw_if_not_numeric(err_msg);
if (this->type() == TYPE_DOUBLE || rhs.type() == TYPE_DOUBLE)
this->set_d_lite(this->as_d() - rhs.as_d());
else
m_data.i -= rhs.i();
this->it_range = boost::iterator_range<Iterator>(this->it_range.begin(), rhs.it_range.end());
}
return *this;
}
expr &operator*=(const expr &rhs)
{
const char *err_msg = "Cannot multiply with non-numeric type.";
this->throw_if_not_numeric(err_msg);
rhs.throw_if_not_numeric(err_msg);
if (this->type() == TYPE_DOUBLE || rhs.type() == TYPE_DOUBLE)
this->set_d_lite(this->as_d() * rhs.as_d());
else
m_data.i *= rhs.i();
this->it_range = boost::iterator_range<Iterator>(this->it_range.begin(), rhs.it_range.end());
if (this->type() == TYPE_EMPTY) {
// Inside an if / else block to be skipped.
this->reset();
} else {
const char *err_msg = "Cannot multiply with non-numeric type.";
this->throw_if_not_numeric(err_msg);
rhs.throw_if_not_numeric(err_msg);
if (this->type() == TYPE_DOUBLE || rhs.type() == TYPE_DOUBLE)
this->set_d_lite(this->as_d() * rhs.as_d());
else
m_data.i *= rhs.i();
this->it_range = boost::iterator_range<Iterator>(this->it_range.begin(), rhs.it_range.end());
}
return *this;
}
expr &operator/=(const expr &rhs)
{
this->throw_if_not_numeric("Cannot divide a non-numeric type.");
rhs.throw_if_not_numeric("Cannot divide with a non-numeric type.");
if (rhs.type() == TYPE_INT ? (rhs.i() == 0) : (rhs.d() == 0.))
rhs.throw_exception("Division by zero");
if (this->type() == TYPE_DOUBLE || rhs.type() == TYPE_DOUBLE)
this->set_d_lite(this->as_d() / rhs.as_d());
else
m_data.i /= rhs.i();
this->it_range = boost::iterator_range<Iterator>(this->it_range.begin(), rhs.it_range.end());
if (this->type() == TYPE_EMPTY) {
// Inside an if / else block to be skipped.
this->reset();
} else {
this->throw_if_not_numeric("Cannot divide a non-numeric type.");
rhs.throw_if_not_numeric("Cannot divide with a non-numeric type.");
if (rhs.type() == TYPE_INT ? (rhs.i() == 0) : (rhs.d() == 0.))
rhs.throw_exception("Division by zero");
if (this->type() == TYPE_DOUBLE || rhs.type() == TYPE_DOUBLE)
this->set_d_lite(this->as_d() / rhs.as_d());
else
m_data.i /= rhs.i();
this->it_range = boost::iterator_range<Iterator>(this->it_range.begin(), rhs.it_range.end());
}
return *this;
}
expr &operator%=(const expr &rhs)
{
this->throw_if_not_numeric("Cannot divide a non-numeric type.");
rhs.throw_if_not_numeric("Cannot divide with a non-numeric type.");
if (rhs.type() == TYPE_INT ? (rhs.i() == 0) : (rhs.d() == 0.))
rhs.throw_exception("Division by zero");
if (this->type() == TYPE_DOUBLE || rhs.type() == TYPE_DOUBLE)
this->set_d_lite(std::fmod(this->as_d(), rhs.as_d()));
else
m_data.i %= rhs.i();
this->it_range = boost::iterator_range<Iterator>(this->it_range.begin(), rhs.it_range.end());
if (this->type() == TYPE_EMPTY) {
// Inside an if / else block to be skipped.
this->reset();
} else {
this->throw_if_not_numeric("Cannot divide a non-numeric type.");
rhs.throw_if_not_numeric("Cannot divide with a non-numeric type.");
if (rhs.type() == TYPE_INT ? (rhs.i() == 0) : (rhs.d() == 0.))
rhs.throw_exception("Division by zero");
if (this->type() == TYPE_DOUBLE || rhs.type() == TYPE_DOUBLE)
this->set_d_lite(std::fmod(this->as_d(), rhs.as_d()));
else
m_data.i %= rhs.i();
this->it_range = boost::iterator_range<Iterator>(this->it_range.begin(), rhs.it_range.end());
}
return *this;
}
static void to_string2(expr &self, std::string &out)
{
out = self.to_string();
if (self.type() != TYPE_EMPTY)
// Not inside an if / else block to be skipped
out = self.to_string();
}
static void evaluate_boolean(expr &self, bool &out)
{
if (self.type() != TYPE_BOOL)
self.throw_exception("Not a boolean expression");
out = self.b();
if (self.type() != TYPE_EMPTY) {
// Not inside an if / else block to be skipped
if (self.type() != TYPE_BOOL)
self.throw_exception("Not a boolean expression");
out = self.b();
}
}
static void evaluate_boolean_to_string(expr &self, std::string &out)
{
assert(self.type() != TYPE_EMPTY);
if (self.type() != TYPE_BOOL)
self.throw_exception("Not a boolean expression");
out = self.b() ? "true" : "false";
@ -473,6 +517,9 @@ namespace client
// Is lhs==rhs? Store the result into lhs.
static void compare_op(expr &lhs, expr &rhs, char op, bool invert)
{
if (lhs.type() == TYPE_EMPTY)
// Inside an if / else block to be skipped
return;
bool value = false;
if (lhs.numeric_type() && rhs.numeric_type()) {
// Both types are numeric.
@ -529,6 +576,9 @@ namespace client
// Store the result into param1.
static void function_2params(expr &param1, expr &param2, Function2ParamsType fun)
{
if (param1.type() == TYPE_EMPTY)
// Inside an if / else block to be skipped
return;
throw_if_not_numeric(param1);
throw_if_not_numeric(param2);
if (param1.type() == TYPE_DOUBLE || param2.type() == TYPE_DOUBLE) {
@ -556,6 +606,9 @@ namespace client
// Store the result into param1.
static void random(expr &param1, expr &param2, std::mt19937 &rng)
{
if (param1.type() == TYPE_EMPTY)
// Inside an if / else block to be skipped
return;
throw_if_not_numeric(param1);
throw_if_not_numeric(param2);
if (param1.type() == TYPE_DOUBLE || param2.type() == TYPE_DOUBLE)
@ -569,6 +622,9 @@ namespace client
template<bool leading_zeros>
static void digits(expr &param1, expr &param2, expr &param3)
{
if (param1.type() == TYPE_EMPTY)
// Inside an if / else block to be skipped
return;
throw_if_not_numeric(param1);
if (param2.type() != TYPE_INT)
param2.throw_exception("digits: second parameter must be integer");
@ -590,6 +646,9 @@ namespace client
static void regex_op(const expr &lhs, boost::iterator_range<Iterator> &rhs, char op, expr &out)
{
if (lhs.type() == TYPE_EMPTY)
// Inside an if / else block to be skipped
return;
const std::string *subject = nullptr;
if (lhs.type() == TYPE_STRING) {
// One type is string, the other could be converted to string.
@ -618,6 +677,11 @@ namespace client
}
template<bool RegEx>
static void one_of_test(const expr &match, const expr &pattern, expr &out) {
if (match.type() == TYPE_EMPTY) {
// Inside an if / else block to be skipped
out.reset();
return;
}
if (! out.b()) {
if (match.type() != TYPE_STRING)
match.throw_exception("one_of(): First parameter (the string to match against) has to be a string value");
@ -635,6 +699,11 @@ namespace client
}
}
static void one_of_test_regex(const expr &match, boost::iterator_range<Iterator> &pattern, expr &out) {
if (match.type() == TYPE_EMPTY) {
// Inside an if / else block to be skipped
out.reset();
return;
}
if (! out.b()) {
if (match.type() != TYPE_STRING)
match.throw_exception("one_of(): First parameter (the string to match against) has to be a string value");
@ -644,6 +713,9 @@ namespace client
static void logical_op(expr &lhs, expr &rhs, char op)
{
if (lhs.type() == TYPE_EMPTY)
// Inside an if / else block to be skipped
return;
bool value = false;
if (lhs.type() == TYPE_BOOL && rhs.type() == TYPE_BOOL) {
value = (op == '|') ? (lhs.b() || rhs.b()) : (lhs.b() && rhs.b());
@ -656,24 +728,6 @@ namespace client
static void logical_or (expr &lhs, expr &rhs) { logical_op(lhs, rhs, '|'); }
static void logical_and(expr &lhs, expr &rhs) { logical_op(lhs, rhs, '&'); }
static void ternary_op(expr &lhs, expr &rhs1, expr &rhs2)
{
if (lhs.type() != TYPE_BOOL)
lhs.throw_exception("Not a boolean expression");
if (lhs.b())
lhs = std::move(rhs1);
else
lhs = std::move(rhs2);
}
static void set_if(bool &cond, bool &not_yet_consumed, std::string &str_in, std::string &str_out)
{
if (cond && not_yet_consumed) {
str_out = str_in;
not_yet_consumed = false;
}
}
void throw_exception(const char *message) const
{
boost::throw_exception(qi::expectation_failure<Iterator>(
@ -745,6 +799,33 @@ namespace client
// Should the parser consider the parsed string to be a macro or a boolean expression?
static bool evaluate_full_macro(const MyContext *ctx) { return ! ctx->just_boolean_expression; }
// Entering a conditional block.
static void block_enter(const MyContext *ctx, const bool condition)
{
if (ctx->skipping() || ! condition)
++ ctx->m_depth_suppressed;
}
// Exiting a conditional block.
static void block_exit(const MyContext *ctx, const bool condition, bool &not_yet_consumed, std::string &data_in, std::string &data_out)
{
if (ctx->skipping())
-- ctx->m_depth_suppressed;
else if (condition && not_yet_consumed) {
data_out = std::move(data_in);
not_yet_consumed = false;
}
}
template<typename DataType>
static void block_exit_ternary(const MyContext* ctx, const bool condition, DataType &data_in, DataType &data_out)
{
if (ctx->skipping())
-- ctx->m_depth_suppressed;
else if (condition)
data_out = std::move(data_in);
}
// Inside a block, which is conditionally suppressed?
bool skipping() const { return m_depth_suppressed > 0; }
const ConfigOption* optptr(const t_config_option_key &opt_key) const override
{
const ConfigOption *opt = nullptr;
@ -758,7 +839,7 @@ namespace client
}
const ConfigOption* resolve_symbol(const std::string &opt_key) const { return this->optptr(opt_key); }
ConfigOption* resolve_output_symbol(const std::string &opt_key) const {
ConfigOption* resolve_output_symbol(const std::string &opt_key) const {
ConfigOption *out = nullptr;
if (this->config_outputs)
out = this->config_outputs->optptr(opt_key, false);
@ -783,6 +864,9 @@ namespace client
boost::iterator_range<Iterator> &opt_key,
std::string &output)
{
if (ctx->skipping())
return;
std::string opt_key_str(opt_key.begin(), opt_key.end());
const ConfigOption *opt = ctx->resolve_symbol(opt_key_str);
size_t idx = ctx->current_extruder_id;
@ -820,6 +904,9 @@ namespace client
boost::iterator_range<Iterator> &opt_vector_index,
std::string &output)
{
if (ctx->skipping())
return;
std::string opt_key_str(opt_key.begin(), opt_key.end());
const ConfigOption *opt = ctx->resolve_symbol(opt_key_str);
if (opt == nullptr) {
@ -850,15 +937,17 @@ namespace client
boost::iterator_range<Iterator> &opt_key,
OptWithPos<Iterator> &output)
{
const std::string key{ opt_key.begin(), opt_key.end() };
const ConfigOption *opt = ctx->resolve_symbol(key);
if (opt == nullptr) {
opt = ctx->resolve_output_symbol(key);
if (opt == nullptr)
ctx->throw_exception("Not a variable name", opt_key);
output.writable = true;
if (! ctx->skipping()) {
const std::string key{ opt_key.begin(), opt_key.end() };
const ConfigOption *opt = ctx->resolve_symbol(key);
if (opt == nullptr) {
opt = ctx->resolve_output_symbol(key);
if (opt == nullptr)
ctx->throw_exception("Not a variable name", opt_key);
output.writable = true;
}
output.opt = opt;
}
output.opt = opt;
output.it_range = opt_key;
}
@ -870,12 +959,15 @@ namespace client
Iterator it_end,
OptWithPos<Iterator> &output)
{
if (! opt.opt->is_vector())
ctx->throw_exception("Cannot index a scalar variable", opt.it_range);
if (index < 0)
ctx->throw_exception("Referencing a vector variable with a negative index", opt.it_range);
output = opt;
output.index = index;
if (! ctx->skipping()) {
if (! opt.opt->is_vector())
ctx->throw_exception("Cannot index a scalar variable", opt.it_range);
if (index < 0)
ctx->throw_exception("Referencing a vector variable with a negative index", opt.it_range);
output = opt;
output.index = index;
} else
output = opt;
output.it_range.end() = it_end;
}
@ -887,6 +979,9 @@ namespace client
OptWithPos<Iterator> &opt,
expr<Iterator> &output)
{
if (ctx->skipping())
return;
assert(opt.opt->is_scalar());
switch (opt.opt->type()) {
@ -948,6 +1043,9 @@ namespace client
OptWithPos<Iterator> &opt,
expr<Iterator> &output)
{
if (ctx->skipping())
return;
assert(opt.opt->is_vector());
if (! opt.has_index())
ctx->throw_exception("Referencing a vector variable when scalar is expected", opt.it_range);
@ -1102,10 +1200,12 @@ namespace client
OptWithPos<Iterator> &opt,
expr<Iterator> &output)
{
if (opt.opt->is_vector())
vector_element_to_expr(ctx, opt, output);
else
scalar_variable_to_expr(ctx, opt, output);
if (! ctx->skipping()) {
if (opt.opt->is_vector())
vector_element_to_expr(ctx, opt, output);
else
scalar_variable_to_expr(ctx, opt, output);
}
output.it_range = opt.it_range;
}
@ -1117,7 +1217,8 @@ namespace client
OptWithPos<Iterator> &opt,
expr<Iterator> &output)
{
if (opt.opt->is_vector()) {
if (ctx->skipping()) {
} else if (opt.opt->is_vector()) {
if (! opt.has_index())
ctx->throw_exception("Referencing a vector variable when scalar is expected", opt.it_range);
const ConfigOptionVectorBase *vec = static_cast<const ConfigOptionVectorBase*>(opt.opt);
@ -1145,26 +1246,26 @@ namespace client
const boost::iterator_range<Iterator> &it_range,
NewOldVariable<Iterator> &out)
{
t_config_option_key key(std::string(it_range.begin(), it_range.end()));
if (const ConfigOption* opt = ctx->resolve_symbol(key); opt)
ctx->throw_exception("Symbol is already defined in read-only system dictionary", it_range);
if (ctx->config_outputs && ctx->config_outputs->optptr(key))
ctx->throw_exception("Symbol is already defined as system output variable", it_range);
bool has_global_dictionary = ctx->context_data != nullptr && ctx->context_data->global_config;
if (global_variable) {
if (! has_global_dictionary)
ctx->throw_exception("Global variables are not available in this context", it_range);
if (ctx->config_local.optptr(key))
ctx->throw_exception("Variable name already defined in local scope", it_range);
out.opt = ctx->context_data->global_config->optptr(key);
} else {
if (has_global_dictionary && ctx->context_data->global_config->optptr(key))
ctx->throw_exception("Variable name already defined in global scope", it_range);
out.opt = ctx->config_local.optptr(key);
if (! ctx->skipping()) {
t_config_option_key key(std::string(it_range.begin(), it_range.end()));
if (const ConfigOption* opt = ctx->resolve_symbol(key); opt)
ctx->throw_exception("Symbol is already defined in read-only system dictionary", it_range);
if (ctx->config_outputs && ctx->config_outputs->optptr(key))
ctx->throw_exception("Symbol is already defined as system output variable", it_range);
bool has_global_dictionary = ctx->context_data != nullptr && ctx->context_data->global_config;
if (global_variable) {
if (! has_global_dictionary)
ctx->throw_exception("Global variables are not available in this context", it_range);
if (ctx->config_local.optptr(key))
ctx->throw_exception("Variable name already defined in local scope", it_range);
out.opt = ctx->context_data->global_config->optptr(key);
} else {
if (has_global_dictionary && ctx->context_data->global_config->optptr(key))
ctx->throw_exception("Variable name already defined in global scope", it_range);
out.opt = ctx->config_local.optptr(key);
}
out.name = std::move(key);
}
out.name = std::move(key);
out.it_range = it_range;
}
@ -1175,11 +1276,13 @@ namespace client
OptWithPos<Iterator> &opt,
const expr<Iterator> &param)
{
check_writable(ctx, opt);
if (opt.opt->is_vector())
vector_variable_element_assign_scalar(ctx, opt, param);
else
scalar_variable_assign_scalar(ctx, opt, param);
if (! ctx->skipping()) {
check_writable(ctx, opt);
if (opt.opt->is_vector())
vector_variable_element_assign_scalar(ctx, opt, param);
else
scalar_variable_assign_scalar(ctx, opt, param);
}
}
template <typename Iterator>
@ -1189,7 +1292,8 @@ namespace client
NewOldVariable<Iterator> &lhs,
const expr<Iterator> &rhs)
{
if (lhs.opt) {
if (ctx->skipping()) {
} else if (lhs.opt) {
if (lhs.opt->is_vector())
rhs.throw_exception("Cannot assign a scalar value to a vector variable.");
OptWithPos lhs_opt{ lhs.opt, lhs.it_range, true };
@ -1215,7 +1319,8 @@ namespace client
const expr<Iterator> &rhs_count,
const expr<Iterator> &rhs_value)
{
if (lhs.opt) {
if (ctx->skipping()) {
} else if (lhs.opt) {
if (lhs.opt->is_scalar())
rhs_value.throw_exception("Cannot assign a vector value to a scalar variable.");
OptWithPos lhs_opt{ lhs.opt, lhs.it_range, true };
@ -1241,10 +1346,12 @@ namespace client
const expr<Iterator> &rhs_count,
const expr<Iterator> &rhs_value)
{
check_writable(ctx, lhs);
if (lhs.opt->is_scalar())
rhs_value.throw_exception("Cannot assign a vector value to a scalar variable.");
vector_variable_assign_expr_with_count(ctx, lhs, rhs_count, rhs_value);
if (! ctx->skipping()) {
check_writable(ctx, lhs);
if (lhs.opt->is_scalar())
rhs_value.throw_exception("Cannot assign a vector value to a scalar variable.");
vector_variable_assign_expr_with_count(ctx, lhs, rhs_count, rhs_value);
}
}
template<typename ConfigOptionType, typename Iterator, typename RightValueEvaluate>
@ -1262,6 +1369,9 @@ namespace client
OptWithPos<Iterator> &lhs,
const std::vector<expr<Iterator>> &il)
{
if (ctx->skipping())
return;
check_writable(ctx, lhs);
if (lhs.opt->is_scalar()) {
@ -1311,6 +1421,9 @@ namespace client
NewOldVariable<Iterator> &lhs,
const std::vector<expr<Iterator>> &il)
{
if (ctx->skipping())
return;
if (lhs.opt) {
// Assign to an existing vector variable.
OptWithPos lhs_opt{ lhs.opt, lhs.it_range, true };
@ -1355,7 +1468,7 @@ namespace client
template <typename Iterator>
static bool is_vector_variable_reference(const OptWithPos<Iterator> &var) {
return ! var.has_index() && var.opt->is_vector();
return ! var.empty() && ! var.has_index() && var.opt->is_vector();
}
// Called when checking whether the NewOldVariable could be assigned a vectir right hand side.
@ -1370,6 +1483,9 @@ namespace client
OptWithPos<Iterator> &lhs,
const OptWithPos<Iterator> &rhs)
{
if (ctx->skipping())
return;
check_writable(ctx, lhs);
assert(lhs.opt->is_vector());
if (rhs.has_index() || ! rhs.opt->is_vector())
@ -1399,6 +1515,10 @@ namespace client
NewOldVariable<Iterator> &lhs,
const OptWithPos<Iterator> &rhs)
{
if (ctx->skipping())
// Skipping, continue parsing.
return true;
if (lhs.opt) {
assert(lhs.opt->is_vector());
OptWithPos lhs_opt{ lhs.opt, lhs.it_range, true };
@ -1422,9 +1542,11 @@ namespace client
}
template <typename Iterator>
static void initializer_list_append(std::vector<expr<Iterator>> &list, expr<Iterator> &expr)
static void initializer_list_append(std::vector<expr<Iterator>> &list, expr<Iterator> &param)
{
list.emplace_back(std::move(expr));
if (param.type() != expr<Iterator>::TYPE_EMPTY)
// not skipping
list.emplace_back(std::move(param));
}
template <typename Iterator>
@ -1433,9 +1555,11 @@ namespace client
OptWithPos<Iterator> &opt,
expr<Iterator> &out)
{
if (opt.has_index() || ! opt.opt->is_vector())
ctx->throw_exception("parameter of empty() is not a vector variable", opt.it_range);
out.set_b(static_cast<const ConfigOptionVectorBase*>(opt.opt)->size() == 0);
if (! ctx->skipping()) {
if (opt.has_index() || ! opt.opt->is_vector())
ctx->throw_exception("parameter of empty() is not a vector variable", opt.it_range);
out.set_b(static_cast<const ConfigOptionVectorBase*>(opt.opt)->size() == 0);
}
out.it_range = opt.it_range;
}
@ -1445,9 +1569,11 @@ namespace client
OptWithPos<Iterator> &opt,
expr<Iterator> &out)
{
if (opt.has_index() || ! opt.opt->is_vector())
ctx->throw_exception("parameter of size() is not a vector variable", opt.it_range);
out.set_i(int(static_cast<const ConfigOptionVectorBase*>(opt.opt)->size()));
if (! ctx->skipping()) {
if (opt.has_index() || ! opt.opt->is_vector())
ctx->throw_exception("parameter of size() is not a vector variable", opt.it_range);
out.set_i(int(static_cast<const ConfigOptionVectorBase*>(opt.opt)->size()));
}
out.it_range = opt.it_range;
}
@ -1456,14 +1582,19 @@ namespace client
template <typename Iterator>
static void evaluate_index(expr<Iterator> &expr_index, int &output)
{
if (expr_index.type() != expr<Iterator>::TYPE_INT)
expr_index.throw_exception("Non-integer index is not allowed to address a vector variable.");
output = expr_index.i();
if (expr_index.type() != expr<Iterator>::TYPE_EMPTY) {
if (expr_index.type() != expr<Iterator>::TYPE_INT)
expr_index.throw_exception("Non-integer index is not allowed to address a vector variable.");
output = expr_index.i();
}
}
template <typename Iterator>
static void random(const MyContext *ctx, expr<Iterator> &param1, expr<Iterator> &param2)
{
if (ctx->skipping())
return;
if (ctx->context_data == nullptr)
ctx->throw_exception("Random number generator not available in this context.",
boost::iterator_range<Iterator>(param1.it_range.begin(), param2.it_range.end()));
@ -1525,6 +1656,10 @@ namespace client
msg += ' ';
msg += "^\n";
}
private:
// For skipping execution of inactive conditional branches.
mutable int m_depth_suppressed{ 0 };
};
template<typename Iterator>
@ -1537,17 +1672,24 @@ namespace client
std::vector<Item> table;
static void init(const expr<Iterator> &x) {
if (!x.numeric_type())
x.throw_exception("Interpolation value must be a number.");
if (x.type() != expr<Iterator>::TYPE_EMPTY) {
if (!x.numeric_type())
x.throw_exception("Interpolation value must be a number.");
}
}
static void add_pair(const expr<Iterator> &x, const expr<Iterator> &y, InterpolateTableContext &table) {
if (! x.numeric_type())
x.throw_exception("X value of a table point must be a number.");
if (! y.numeric_type())
y.throw_exception("Y value of a table point must be a number.");
table.table.push_back({ x.as_d(), x.it_range, y.as_d() });
if (x.type() != expr<Iterator>::TYPE_EMPTY) {
if (! x.numeric_type())
x.throw_exception("X value of a table point must be a number.");
if (! y.numeric_type())
y.throw_exception("Y value of a table point must be a number.");
table.table.push_back({ x.as_d(), x.it_range, y.as_d() });
}
}
static void evaluate(const expr<Iterator> &expr_x, const InterpolateTableContext &table, expr<Iterator> &out) {
if (expr_x.type() == expr<Iterator>::TYPE_EMPTY)
return;
// Check whether the table X values are sorted.
double x = expr_x.as_d();
bool evaluated = false;
@ -1698,6 +1840,52 @@ namespace client
}
};
template<typename Iterator>
struct FactorActions {
static void set_start_pos(Iterator &start_pos, expr<Iterator> &out)
{ out.it_range = boost::iterator_range<Iterator>(start_pos, start_pos); }
static void int_(const MyContext *ctx, int &value, Iterator &end_pos, expr<Iterator> &out) {
if (ctx->skipping()) {
out.reset();
out.it_range.end() = end_pos;
} else
out = expr<Iterator>(value, out.it_range.begin(), end_pos);
}
static void double_(const MyContext *ctx, double &value, Iterator &end_pos, expr<Iterator> &out) {
if (ctx->skipping()) {
out.reset();
out.it_range.end() = end_pos;
} else
out = expr<Iterator>(value, out.it_range.begin(), end_pos);
}
static void bool_(const MyContext *ctx, bool &value, Iterator &end_pos, expr<Iterator> &out) {
if (ctx->skipping()) {
out.reset();
out.it_range.end() = end_pos;
} else
out = expr<Iterator>(value, out.it_range.begin(), end_pos);
}
static void string_(const MyContext *ctx, boost::iterator_range<Iterator> &it_range, expr<Iterator> &out) {
if (ctx->skipping()) {
out.reset();
out.it_range = it_range;
} else
out = expr<Iterator>(std::string(it_range.begin() + 1, it_range.end() - 1), it_range.begin(), it_range.end());
}
static void expr_(expr<Iterator> &value, Iterator &end_pos, expr<Iterator> &out)
{ auto begin_pos = out.it_range.begin(); out = expr<Iterator>(std::move(value), begin_pos, end_pos); }
static void minus_(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.unary_minus(out.it_range.begin()); }
static void not_(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.unary_not(out.it_range.begin()); }
static void to_int(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.unary_integer(out.it_range.begin()); }
static void round(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.round(out.it_range.begin()); }
// For indicating "no optional parameter".
static void noexpr(expr<Iterator> &out) { out.reset(); }
};
///////////////////////////////////////////////////////////////////////////
// Our macro_processor grammar
///////////////////////////////////////////////////////////////////////////
@ -1771,19 +1959,19 @@ namespace client
// | (kw["switch"] > switch_output(_r1) [_val = _1])
| (assignment_statement(_r1) [_val = _1])
| (new_variable_statement(_r1) [_val = _1])
| (additive_expression(_r1) [ px::bind(&expr<Iterator>::to_string2, _1, _val) ])
| (conditional_expression(_r1) [ px::bind(&expr<Iterator>::to_string2, _1, _val) ])
;
macro.name("macro");
// An if expression enclosed in {} (the outmost {} are already parsed by the caller).
if_else_output =
eps[_b=true] >
bool_expr_eval(_r1)[_a=_1] > '}' >
text_block(_r1)[px::bind(&expr<Iterator>::set_if, _a, _b, _1, _val)] > '{' >
*(kw["elsif"] > bool_expr_eval(_r1)[_a=_1] > '}' >
text_block(_r1)[px::bind(&expr<Iterator>::set_if, _a, _b, _1, _val)] > '{') >
-(kw["else"] > lit('}') >
text_block(_r1)[px::bind(&expr<Iterator>::set_if, _b, _b, _1, _val)] > '{') >
eps[_a=true] >
(bool_expr_eval(_r1)[px::bind(&MyContext::block_enter, _r1, _1)] > '}' >
text_block(_r1))[px::bind(&MyContext::block_exit, _r1, _1, _a, _2, _val)] > '{' >
*((kw["elsif"] > bool_expr_eval(_r1)[px::bind(&MyContext::block_enter, _r1, _1 && _a)] > '}' >
text_block(_r1))[px::bind(&MyContext::block_exit, _r1, _1, _a, _2, _val)] > '{') >
-(kw["else"] > eps[px::bind(&MyContext::block_enter, _r1, _a)] > lit('}') >
text_block(_r1)[px::bind(&MyContext::block_exit, _r1, _a, _a, _1, _val)] > '{') >
kw["endif"];
if_else_output.name("if_else_output");
// A switch expression enclosed in {} (the outmost {} are already parsed by the caller).
@ -1811,8 +1999,11 @@ namespace client
identifier.name("identifier");
conditional_expression =
logical_or_expression(_r1) [_val = _1]
>> -('?' > conditional_expression(_r1) > ':' > conditional_expression(_r1)) [px::bind(&expr<Iterator>::ternary_op, _val, _1, _2)];
logical_or_expression(_r1) [_val = _1]
>> -('?' > eps[px::bind(&expr<Iterator>::evaluate_boolean, _val, _a)] >
eps[px::bind(&MyContext::block_enter, _r1, _a)] > conditional_expression(_r1)[px::bind(&MyContext::block_exit_ternary<expr<Iterator>>, _r1, _a, _1, _val)]
> ':' >
eps[px::bind(&MyContext::block_enter, _r1, ! _a)] > conditional_expression(_r1)[px::bind(&MyContext::block_exit_ternary<expr<Iterator>>, _r1, ! _a, _1, _val)]);
conditional_expression.name("conditional_expression");
logical_or_expression =
@ -1901,36 +2092,12 @@ namespace client
)
);
struct FactorActions {
static void set_start_pos(Iterator &start_pos, expr<Iterator> &out)
{ out.it_range = boost::iterator_range<Iterator>(start_pos, start_pos); }
static void int_(int &value, Iterator &end_pos, expr<Iterator> &out)
{ out = expr<Iterator>(value, out.it_range.begin(), end_pos); }
static void double_(double &value, Iterator &end_pos, expr<Iterator> &out)
{ out = expr<Iterator>(value, out.it_range.begin(), end_pos); }
static void bool_(bool &value, Iterator &end_pos, expr<Iterator> &out)
{ out = expr<Iterator>(value, out.it_range.begin(), end_pos); }
static void string_(boost::iterator_range<Iterator> &it_range, expr<Iterator> &out)
{ out = expr<Iterator>(std::string(it_range.begin() + 1, it_range.end() - 1), it_range.begin(), it_range.end()); }
static void expr_(expr<Iterator> &value, Iterator &end_pos, expr<Iterator> &out)
{ auto begin_pos = out.it_range.begin(); out = expr<Iterator>(std::move(value), begin_pos, end_pos); }
static void minus_(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.unary_minus(out.it_range.begin()); }
static void not_(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.unary_not(out.it_range.begin()); }
static void to_int(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.unary_integer(out.it_range.begin()); }
static void round(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.round(out.it_range.begin()); }
// For indicating "no optional parameter".
static void noexpr(expr<Iterator> &out) { out.reset(); }
};
unary_expression = iter_pos[px::bind(&FactorActions::set_start_pos, _1, _val)] >> (
unary_expression = iter_pos[px::bind(&FactorActions<Iterator>::set_start_pos, _1, _val)] >> (
variable_reference(_r1) [px::bind(&MyContext::variable_value<Iterator>, _r1, _1, _val)]
| (lit('(') > conditional_expression(_r1) > ')' > iter_pos) [ px::bind(&FactorActions::expr_, _1, _2, _val) ]
| (lit('-') > unary_expression(_r1) ) [ px::bind(&FactorActions::minus_, _1, _val) ]
| (lit('+') > unary_expression(_r1) > iter_pos) [ px::bind(&FactorActions::expr_, _1, _2, _val) ]
| ((kw["not"] | '!') > unary_expression(_r1) > iter_pos) [ px::bind(&FactorActions::not_, _1, _val) ]
| (lit('(') > conditional_expression(_r1) > ')' > iter_pos) [ px::bind(&FactorActions<Iterator>::expr_, _1, _2, _val) ]
| (lit('-') > unary_expression(_r1) ) [ px::bind(&FactorActions<Iterator>::minus_, _1, _val) ]
| (lit('+') > unary_expression(_r1) > iter_pos) [ px::bind(&FactorActions<Iterator>::expr_, _1, _2, _val) ]
| ((kw["not"] | '!') > unary_expression(_r1) > iter_pos) [ px::bind(&FactorActions<Iterator>::not_, _1, _val) ]
| (kw["min"] > '(' > conditional_expression(_r1) [_val = _1] > ',' > conditional_expression(_r1) > ')')
[ px::bind(&expr<Iterator>::min, _val, _2) ]
| (kw["max"] > '(' > conditional_expression(_r1) [_val = _1] > ',' > conditional_expression(_r1) > ')')
@ -1941,18 +2108,18 @@ namespace client
[ px::bind(&expr<Iterator>::template digits<false>, _val, _2, _3) ]
| (kw["zdigits"] > '(' > conditional_expression(_r1) [_val = _1] > ',' > conditional_expression(_r1) > optional_parameter(_r1))
[ px::bind(&expr<Iterator>::template digits<true>, _val, _2, _3) ]
| (kw["int"] > '(' > conditional_expression(_r1) > ')') [ px::bind(&FactorActions::to_int, _1, _val) ]
| (kw["round"] > '(' > conditional_expression(_r1) > ')') [ px::bind(&FactorActions::round, _1, _val) ]
| (kw["int"] > '(' > conditional_expression(_r1) > ')') [ px::bind(&FactorActions<Iterator>::to_int, _1, _val) ]
| (kw["round"] > '(' > conditional_expression(_r1) > ')') [ px::bind(&FactorActions<Iterator>::round, _1, _val) ]
| (kw["is_nil"] > '(' > variable_reference(_r1) > ')') [px::bind(&MyContext::is_nil_test<Iterator>, _r1, _1, _val)]
| (kw["one_of"] > '(' > one_of(_r1) > ')') [ _val = _1 ]
| (kw["empty"] > '(' > variable_reference(_r1) > ')') [px::bind(&MyContext::is_vector_empty<Iterator>, _r1, _1, _val)]
| (kw["size"] > '(' > variable_reference(_r1) > ')') [px::bind(&MyContext::vector_size<Iterator>, _r1, _1, _val)]
| (kw["interpolate_table"] > '(' > interpolate_table(_r1) > ')') [ _val = _1 ]
| (strict_double > iter_pos) [ px::bind(&FactorActions::double_, _1, _2, _val) ]
| (int_ > iter_pos) [ px::bind(&FactorActions::int_, _1, _2, _val) ]
| (kw[bool_] > iter_pos) [ px::bind(&FactorActions::bool_, _1, _2, _val) ]
| (strict_double > iter_pos) [ px::bind(&FactorActions<Iterator>::double_, _r1, _1, _2, _val) ]
| (int_ > iter_pos) [ px::bind(&FactorActions<Iterator>::int_, _r1, _1, _2, _val) ]
| (kw[bool_] > iter_pos) [ px::bind(&FactorActions<Iterator>::bool_, _r1, _1, _2, _val) ]
| raw[lexeme['"' > *((utf8char - char_('\\') - char_('"')) | ('\\' > char_)) > '"']]
[ px::bind(&FactorActions::string_, _1, _val) ]
[ px::bind(&FactorActions<Iterator>::string_, _r1, _1, _val) ]
);
unary_expression.name("unary_expression");
@ -1980,8 +2147,8 @@ namespace client
[px::bind(&InterpolateTableContext<Iterator>::add_pair, _1, _2, _val)] >> -lit(',')) );
interpolate_table.name("interpolate_table_list");
optional_parameter = iter_pos[px::bind(&FactorActions::set_start_pos, _1, _val)] >> (
lit(')') [ px::bind(&FactorActions::noexpr, _val) ]
optional_parameter = iter_pos[px::bind(&FactorActions<Iterator>::set_start_pos, _1, _val)] >> (
lit(')') [ px::bind(&FactorActions<Iterator>::noexpr, _val) ]
| (lit(',') > conditional_expression(_r1) > ')') [ _val = _1 ]
);
optional_parameter.name("optional_parameter");
@ -2074,7 +2241,7 @@ namespace client
// Parsed identifier name.
qi::rule<Iterator, boost::iterator_range<Iterator>(), spirit_encoding::space_type> identifier;
// Ternary operator (?:) over logical_or_expression.
RuleExpression conditional_expression;
qi::rule<Iterator, expr<Iterator>(const MyContext*), qi::locals<bool>, spirit_encoding::space_type> conditional_expression;
// Logical or over logical_and_expressions.
RuleExpression logical_or_expression;
// Logical and over relational_expressions.
@ -2108,7 +2275,7 @@ namespace client
qi::rule<Iterator, expr<Iterator>(const MyContext*), qi::locals<expr<Iterator>>, spirit_encoding::space_type> interpolate_table;
qi::rule<Iterator, InterpolateTableContext<Iterator>(const MyContext*, const expr<Iterator> &param), spirit_encoding::space_type> interpolate_table_list;
qi::rule<Iterator, std::string(const MyContext*), qi::locals<bool, bool>, spirit_encoding::space_type> if_else_output;
qi::rule<Iterator, std::string(const MyContext*), qi::locals<bool>, spirit_encoding::space_type> if_else_output;
qi::rule<Iterator, std::string(const MyContext*), qi::locals<OptWithPos<Iterator>>, spirit_encoding::space_type> assignment_statement;
// Allocating new local or global variables.
qi::rule<Iterator, std::string(const MyContext*), qi::locals<bool, MyContext::NewOldVariable<Iterator>>, spirit_encoding::space_type> new_variable_statement;

32
tests/libslic3r/test_placeholder_parser.cpp
View File

@ -75,6 +75,11 @@ SCENARIO("Placeholder parser scripting", "[PlaceholderParser]") {
SECTION("math: zdigits(5., 15, 8)") { REQUIRE(parser.process("{zdigits(5, 15, 8)}") == "000005.00000000"); }
SECTION("math: digits(13.84375892476, 15, 8)") { REQUIRE(parser.process("{digits(13.84375892476, 15, 8)}") == " 13.84375892"); }
SECTION("math: zdigits(13.84375892476, 15, 8)") { REQUIRE(parser.process("{zdigits(13.84375892476, 15, 8)}") == "000013.84375892"); }
SECTION("math: ternary1") { REQUIRE(parser.process("{12 == 12 ? 1 - 3 : 2 * 2 * unknown_symbol}") == "-2"); }
SECTION("math: ternary2") { REQUIRE(parser.process("{12 == 21/2 ? 1 - 1 - unknown_symbol : 2 * 2}") == "4"); }
SECTION("math: ternary3") { REQUIRE(parser.process("{12 == 13 ? 1 - 1 * unknown_symbol : 2 * 2}") == "4"); }
SECTION("math: ternary4") { REQUIRE(parser.process("{12 == 2 * 6 ? 1 - 1 : 2 * unknown_symbol}") == "0"); }
SECTION("math: ternary nested") { REQUIRE(parser.process("{12 == 2 * 6 ? 3 - 1 != 2 ? does_not_exist : 0 * 0 - 0 / 1 + 12345 : bull ? 3 - cokoo : 2 * unknown_symbol}") == "12345"); }
SECTION("math: interpolate_table(13.84375892476, (0, 0), (20, 20))") { REQUIRE(std::stod(parser.process("{interpolate_table(13.84375892476, (0, 0), (20, 20))}")) == Approx(13.84375892476)); }
SECTION("math: interpolate_table(13, (0, 0), (20, 20), (30, 20))") { REQUIRE(std::stod(parser.process("{interpolate_table(13, (0, 0), (20, 20), (30, 20))}")) == Approx(13.)); }
SECTION("math: interpolate_table(25, (0, 0), (20, 20), (30, 20))") { REQUIRE(std::stod(parser.process("{interpolate_table(25, (0, 0), (20, 20), (30, 20))}")) == Approx(20.)); }
@ -106,10 +111,10 @@ SCENARIO("Placeholder parser scripting", "[PlaceholderParser]") {
SECTION("boolean expression parser: (12 == 12) or (13 == 14)") { REQUIRE(boolean_expression("(12 == 12) or (13 == 14)")); }
SECTION("boolean expression parser: (12 == 12) || (13 == 14)") { REQUIRE(boolean_expression("(12 == 12) || (13 == 14)")); }
SECTION("boolean expression parser: (12 == 12) and not (13 == 14)") { REQUIRE(boolean_expression("(12 == 12) and not (13 == 14)")); }
SECTION("boolean expression parser: ternary true") { REQUIRE(boolean_expression("(12 == 12) ? (1 - 1 == 0) : (2 * 2 == 3)")); }
SECTION("boolean expression parser: ternary false") { REQUIRE(! boolean_expression("(12 == 21/2) ? (1 - 1 == 0) : (2 * 2 == 3)")); }
SECTION("boolean expression parser: ternary false 2") { REQUIRE(boolean_expression("(12 == 13) ? (1 - 1 == 3) : (2 * 2 == 4)")); }
SECTION("boolean expression parser: ternary true 2") { REQUIRE(! boolean_expression("(12 == 2 * 6) ? (1 - 1 == 3) : (2 * 2 == 4)")); }
SECTION("boolean expression parser: ternary true") { REQUIRE(boolean_expression("(12 == 12) ? (1 - 1 == 0) : (2 * 2 == 3 * unknown_symbol)")); }
SECTION("boolean expression parser: ternary false") { REQUIRE(! boolean_expression("(12 == 21/2) ? (1 - 1 == 0 - unknown_symbol) : (2 * 2 == 3)")); }
SECTION("boolean expression parser: ternary false 2") { REQUIRE(boolean_expression("(12 == 13) ? (1 - 1 == 3 * unknown_symbol) : (2 * 2 == 4)")); }
SECTION("boolean expression parser: ternary true 2") { REQUIRE(! boolean_expression("(12 == 2 * 6) ? (1 - 1 == 3) : (2 * 2 == 4 * unknown_symbol)")); }
SECTION("boolean expression parser: lower than - false") { REQUIRE(! boolean_expression("12 < 3")); }
SECTION("boolean expression parser: lower than - true") { REQUIRE(boolean_expression("12 < 22")); }
SECTION("boolean expression parser: greater than - true") { REQUIRE(boolean_expression("12 > 3")); }
@ -227,4 +232,23 @@ SCENARIO("Placeholder parser variables", "[PlaceholderParser]") {
SECTION("size() of a an empty vector returns the right size") { REQUIRE(parser.process("{local myint = (0);myint=();size(myint)}", 0, nullptr, nullptr, nullptr) == "0"); }
SECTION("empty() of a non-empty vector returns false") { REQUIRE(parser.process("{local myint = (0, 1, 2, 3)}{empty(myint)}", 0, nullptr, nullptr, nullptr) == "false"); }
SECTION("empty() of a an empty vector returns true") { REQUIRE(parser.process("{local myint = (0);myint=();empty(myint)}", 0, nullptr, nullptr, nullptr) == "true"); }
SECTION("nested if with new variables") {
std::string script =
"{if 1 == 1}{local myints = (5, 4, 3, 2, 1)}{else}{local myfloats = (1., 2., 3., 4., 5., 6., 7.)}{endif}"
"{myints[1]},{size(myints)}";
REQUIRE(parser.process(script, 0, nullptr, nullptr, nullptr) == "4,5");
}
SECTION("nested if with new variables 2") {
std::string script =
"{if 1 == 0}{local myints = (5, 4, 3, 2, 1)}{else}{local myfloats = (1., 2., 3., 4., 5., 6., 7.)}{endif}"
"{size(myfloats)}";
REQUIRE(parser.process(script, 0, nullptr, nullptr, nullptr) == "7");
}
SECTION("nested if with new variables, two level") {
std::string script =
"{if 1 == 1}{if 2 == 3}{nejaka / haluz}{else}{local myints = (6, 5, 4, 3, 2, 1)}{endif}{else}{if zase * haluz}{else}{local myfloats = (1., 2., 3., 4., 5., 6., 7.)}{endif}{endif}"
"{size(myints)}";
REQUIRE(parser.process(script, 0, nullptr, nullptr, nullptr) == "6");
}
}