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bug fixes

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ProgramSnail 2023-07-06 16:15:15 +03:00
parent 777fd830b0
commit bb8b32a7c8
5 changed files with 136 additions and 109 deletions
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6
include/contexts.hpp
View file

@ -175,9 +175,9 @@ public:
return maybe_type.value();
}
if (contexts_[i].IsHidingPrevious()) {
break;
}
// if (contexts_[i].IsHidingPrevious()) { // TODO: old types automatically shadowed by new ??
// break;
// }
}
return std::nullopt;
}

4
src/build_visitor.cpp
View file

@ -1009,7 +1009,8 @@ void BuildVisitor::Visit(FunctionCallExpression* node) {
Visit(node->parameters.back().get());
} else {
if (!current_node_.PreviousSibling().IsNull() && current_node_.PreviousSibling().GetValue() == "::") { // annotation
node->arguments.push_back({current_node_.GetValue(), SubExpression()});
node->arguments.emplace_back();
node->arguments.back().first = current_node_.GetValue();
last_child_is_annotation = true;
} else if (last_child_is_annotation) { // argument after annotation
node->arguments.back().second = std::make_unique<SubExpressionToken>();
@ -1018,7 +1019,6 @@ void BuildVisitor::Visit(FunctionCallExpression* node) {
} else { // argument without annotation
node->arguments.push_back({std::nullopt, std::make_unique<SubExpressionToken>()});
Visit(*std::get<std::unique_ptr<SubExpressionToken>>(node->arguments.back().second));
last_child_is_annotation = false;
}
}
}

184
src/execute_visitor.cpp
View file

@ -178,7 +178,7 @@ void ExecuteVisitor::Visit(Match* node) {
bool case_choosen = false;
bool statement_visited = false;
for (auto& match_case : node->matches) {
if (case_choosen) {
if (case_choosen && !statement_visited) {
if (match_case.statement.has_value()) {
Visitor::Visit(match_case.statement.value());
statement_visited = true;
@ -189,9 +189,10 @@ void ExecuteVisitor::Visit(Match* node) {
case_matched_ = true;
context_manager_.EnterContext();
Visitor::Visit(node->value);
CheckPattern(match_case.value, match_case.base);
if (case_matched_ && (match_case.condition.has_value() ? HandleCondition(match_case.condition.value(), match_case.base) : true)) {
if (case_matched_ && (!match_case.condition.has_value() ||
HandleCondition(match_case.condition.value(), match_case.base))) {
case_choosen = true;
if (match_case.statement.has_value()) {
Visitor::Visit(match_case.statement.value());
@ -218,7 +219,9 @@ void ExecuteVisitor::Visit(Match* node) {
void ExecuteVisitor::Visit(Condition* node) {
bool branch_visited = false;
for (size_t i = 0; i < node->conditions.size(); ++i) {
error_handling::DebugPrint("in loop");
if (HandleCondition(node->conditions[i], node->base)) {
error_handling::DebugPrint("in condition");
context_manager_.EnterContext();
Visitor::Visit(node->statements[i]);
context_manager_.ExitContext();
@ -231,8 +234,11 @@ void ExecuteVisitor::Visit(Condition* node) {
branch_visited = true;
break;
}
error_handling::DebugPrint("out of condition");
}
error_handling::DebugPrint("after conditions");
if (!branch_visited) {
if (node->statements.size() > node->conditions.size()) {
context_manager_.EnterContext();
@ -448,47 +454,9 @@ void ExecuteVisitor::Visit(AccessExpression* node) {
// TODO: refactor, separate to several functions
void ExecuteVisitor::Visit(FunctionCallExpression* node) {
context_manager_.EnterContext();
if (node->prefix.has_value()) {
if (std::holds_alternative<std::unique_ptr<SubExpressionToken>>(node->prefix.value())) {
Visitor::Visit(*std::get<std::unique_ptr<SubExpressionToken>>(node->prefix.value()));
if (context_manager_.GetValueType(current_value_) == utils::ValueType::Tmp) {
// temporary value can't be modified inside
context_manager_.ToModifiedValue(current_value_, utils::ValueType::Const);
}
if (!context_manager_.DefineVariable(utils::ClassInternalVarName, current_value_)) {
error_handling::HandleRuntimeError("Variable redefinition (mathod caller var)", node->base);
}
} else if (std::holds_alternative<std::unique_ptr<TypeExpression>>(node->prefix.value())) {
TypeExpression& prefix = *std::get<std::unique_ptr<TypeExpression>>(node->prefix.value());
// TODO: abstract types, local abstract types, abstract types, ... as path entities
for (auto& path_type : prefix.path) {
CollectTypeContext(path_type);
}
CollectTypeContext(prefix.type);
} else {
error_handling::HandleInternalError("Unexpected prefix type",
"ExecuteVisitor.FunctionCallExpression",
&node->base);
}
} else {
if (node->is_method_of_first_argument_) {
Visitor::Visit(node->arguments[0].second);
if (context_manager_.GetValueType(current_value_) == utils::ValueType::Tmp) {
// temporary value can't be modified inside
context_manager_.ToModifiedValue(current_value_, utils::ValueType::Const);
}
if (!context_manager_.DefineVariable(utils::ClassInternalVarName, current_value_)) {
error_handling::HandleRuntimeError("Variable redefinition (self var)", node->base);
}
}
}
FunctionDeclaration* function_declaration = nullptr;
FunctionDefinitionStatement* function_definition = nullptr;
@ -569,7 +537,50 @@ void ExecuteVisitor::Visit(FunctionCallExpression* node) {
}
}
// handle choosen type typclasses
//
// // TODO: check move (was double calculation for builtin functions)
if (node->prefix.has_value()) {
if (std::holds_alternative<std::unique_ptr<SubExpressionToken>>(node->prefix.value())) {
Visitor::Visit(*std::get<std::unique_ptr<SubExpressionToken>>(node->prefix.value()));
if (context_manager_.GetValueType(current_value_) == utils::ValueType::Tmp) {
// temporary value can't be modified inside
context_manager_.ToModifiedValue(current_value_, utils::ValueType::Const);
}
if (!context_manager_.DefineVariable(utils::ClassInternalVarName, current_value_)) {
error_handling::HandleRuntimeError("Variable redefinition (mathod caller var)", node->base);
}
} else if (std::holds_alternative<std::unique_ptr<TypeExpression>>(node->prefix.value())) {
TypeExpression& prefix = *std::get<std::unique_ptr<TypeExpression>>(node->prefix.value());
// TODO: abstract types, local abstract types, abstract types, ... as path entities
for (auto& path_type : prefix.path) {
CollectTypeContext(path_type);
}
CollectTypeContext(prefix.type);
} else {
error_handling::HandleInternalError("Unexpected prefix type",
"ExecuteVisitor.FunctionCallExpression",
&node->base);
}
} else {
if (node->is_method_of_first_argument_) {
Visitor::Visit(node->arguments[0].second);
if (context_manager_.GetValueType(current_value_) == utils::ValueType::Tmp) {
// temporary value can't be modified inside
context_manager_.ToModifiedValue(current_value_, utils::ValueType::Const);
}
if (!context_manager_.DefineVariable(utils::ClassInternalVarName, current_value_)) {
error_handling::HandleRuntimeError("Variable redefinition (self var)", node->base);
}
}
}
// //
// handle choosen type typeclasses
// handle parameters
for (size_t i = 0; i < node->parameters.size(); ++i) {
@ -581,6 +592,7 @@ void ExecuteVisitor::Visit(FunctionCallExpression* node) {
auto maybe_parameter_graph_id = context_manager_.FindLocalType(node->parameters[i]->type.type);
if (!maybe_parameter_graph_id.has_value()) {
error_handling::DebugPrint(node->parameters[i]->type.type);
error_handling::HandleInternalError("Parameter type not found",
"ExecuteVisitor.FunctionCallExpression",
&node->base);
@ -982,7 +994,9 @@ void ExecuteVisitor::Visit(BoolLiteral* node) {
//
bool ExecuteVisitor::HandleCondition(Expression& node, const BaseNode& base_node) {
error_handling::DebugPrint("handle condition begin");
Visitor::Visit(node);
error_handling::DebugPrint("handle condition end");
return *ExtractInternalValue<bool>(current_value_, base_node);
}
@ -1076,17 +1090,17 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
const std::string& name = node->name;
if (utils::IsBuiltinFunction(name)) {
std::vector<info::value::InternalValue*> arguments;
std::vector<info::value::InternalValue> arguments;
arguments.reserve(node->arguments.size());
if (node->prefix.has_value() && std::holds_alternative<std::unique_ptr<SubExpressionToken>>(node->prefix.value())) {
Visitor::Visit(*std::get<std::unique_ptr<SubExpressionToken>>(node->prefix.value()));
arguments.push_back(ExtractValue<info::value::InternalValue>(current_value_, node->base));
arguments.push_back(*ExtractValue<info::value::InternalValue>(current_value_, node->base));
}
for (auto& argument : node->arguments) {
Visitor::Visit(argument.second);
arguments.push_back(ExtractValue<info::value::InternalValue>(current_value_, node->base));
arguments.push_back(*ExtractValue<info::value::InternalValue>(current_value_, node->base));
}
switch (type) {
@ -1094,22 +1108,22 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
if (name == "show") {
try {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(std::to_string(*arguments[0]->GetValue<double>().value())),
info::value::InternalValue(std::to_string(*arguments[0].GetValue<double>().value())),
utils::ValueType::Tmp);
} catch(...) {
error_handling::HandleRuntimeError("Can't read Float", node->base);
}
} else if (name == "read") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(std::stod(*arguments[0]->GetValue<std::string>().value())),
info::value::InternalValue(std::stod(*arguments[0].GetValue<std::string>().value())),
utils::ValueType::Tmp);
} else if (name == "<") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<double>().value() < *arguments[1]->GetValue<double>().value()),
info::value::InternalValue(*arguments[0].GetValue<double>().value() < *arguments[1].GetValue<double>().value()),
utils::ValueType::Tmp);
} else if (name == "==") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<double>().value() == *arguments[1]->GetValue<double>().value()),
info::value::InternalValue(*arguments[0].GetValue<double>().value() == *arguments[1].GetValue<double>().value()),
utils::ValueType::Tmp);
} else if (name == "zero") {
current_value_ = context_manager_.AddValue(
@ -1120,27 +1134,27 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
info::value::InternalValue(1.0),
utils::ValueType::Tmp);
} else if (name == "=") {
*arguments[0]->GetValue<double>().value() = *arguments[1]->GetValue<double>().value();
*arguments[0].GetValue<double>().value() = *arguments[1].GetValue<double>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
} else if (name == "+=") {
*arguments[0]->GetValue<double>().value() += *arguments[1]->GetValue<double>().value();
*arguments[0].GetValue<double>().value() += *arguments[1].GetValue<double>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
} else if (name == "-=") {
*arguments[0]->GetValue<double>().value() -= *arguments[1]->GetValue<double>().value();
*arguments[0].GetValue<double>().value() -= *arguments[1].GetValue<double>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
} else if (name == "*=") {
*arguments[0]->GetValue<double>().value() *= *arguments[1]->GetValue<double>().value();
*arguments[0].GetValue<double>().value() *= *arguments[1].GetValue<double>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
} else if (name == "/=") {
*arguments[0]->GetValue<double>().value() /= *arguments[1]->GetValue<double>().value();
*arguments[0].GetValue<double>().value() /= *arguments[1].GetValue<double>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
@ -1151,31 +1165,35 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
case info::type::InternalType::Int:
if (name == "show") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(std::to_string(*arguments[0]->GetValue<int64_t>().value())),
info::value::InternalValue(std::to_string(*arguments[0].GetValue<int64_t>().value())),
utils::ValueType::Tmp);
} else if (name == "read") {
try {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(std::stoi(*arguments[0]->GetValue<std::string>().value())),
info::value::InternalValue(std::stoi(*arguments[0].GetValue<std::string>().value())),
utils::ValueType::Tmp);
} catch(...) {
error_handling::HandleRuntimeError("Can't read Int", node->base);
}
} else if (name == "<") {
error_handling::DebugPrint("< Args:");
error_handling::DebugPrint(*arguments[0].GetValue<int64_t>().value());
error_handling::DebugPrint(*arguments[1].GetValue<int64_t>().value());
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<int64_t>().value() < *arguments[1]->GetValue<int64_t>().value()),
info::value::InternalValue(*arguments[0].GetValue<int64_t>().value() < *arguments[1].GetValue<int64_t>().value()),
utils::ValueType::Tmp);
error_handling::DebugPrint(*ExtractInternalValue<bool>(current_value_, node->base));
} else if (name == "==") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<int64_t>().value() == *arguments[1]->GetValue<int64_t>().value()),
info::value::InternalValue(*arguments[0].GetValue<int64_t>().value() == *arguments[1].GetValue<int64_t>().value()),
utils::ValueType::Tmp);
} else if (name == "div") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<int64_t>().value() / *arguments[1]->GetValue<int64_t>().value()),
info::value::InternalValue(*arguments[0].GetValue<int64_t>().value() / *arguments[1].GetValue<int64_t>().value()),
utils::ValueType::Tmp);
} else if (name == "mod") { // TODO: better implementation of mod (read "%" specification)
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<int64_t>().value() % *arguments[1]->GetValue<int64_t>().value()),
info::value::InternalValue(*arguments[0].GetValue<int64_t>().value() % *arguments[1].GetValue<int64_t>().value()),
utils::ValueType::Tmp);
} else if (name == "zero") {
current_value_ = context_manager_.AddValue(
@ -1186,22 +1204,22 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
info::value::InternalValue(1),
utils::ValueType::Tmp);
} else if (name == "=") {
*arguments[0]->GetValue<int64_t>().value() = *arguments[1]->GetValue<int64_t>().value();
*arguments[0].GetValue<int64_t>().value() = *arguments[1].GetValue<int64_t>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
} else if (name == "+=") {
*arguments[0]->GetValue<int64_t>().value() += *arguments[1]->GetValue<int64_t>().value();
*arguments[0].GetValue<int64_t>().value() += *arguments[1].GetValue<int64_t>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
} else if (name == "-=") {
*arguments[0]->GetValue<int64_t>().value() -= *arguments[1]->GetValue<int64_t>().value();
*arguments[0].GetValue<int64_t>().value() -= *arguments[1].GetValue<int64_t>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
} else if (name == "*=") {
*arguments[0]->GetValue<int64_t>().value() *= *arguments[1]->GetValue<int64_t>().value();
*arguments[0].GetValue<int64_t>().value() *= *arguments[1].GetValue<int64_t>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
@ -1212,30 +1230,30 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
case info::type::InternalType::String:
if (name == "show") { // do not copy ??
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<std::string>().value()),
info::value::InternalValue(*arguments[0].GetValue<std::string>().value()),
utils::ValueType::Tmp);
} else if (name == "read") { // do not copy ??
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<std::string>().value()),
info::value::InternalValue(*arguments[0].GetValue<std::string>().value()),
utils::ValueType::Tmp);
} else if (name == "<") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<std::string>().value() < *arguments[1]->GetValue<std::string>().value()),
info::value::InternalValue(*arguments[0].GetValue<std::string>().value() < *arguments[1].GetValue<std::string>().value()),
utils::ValueType::Tmp);
} else if (name == "==") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<std::string>().value() == *arguments[1]->GetValue<std::string>().value()),
info::value::InternalValue(*arguments[0].GetValue<std::string>().value() == *arguments[1].GetValue<std::string>().value()),
utils::ValueType::Tmp);
} else if (name == "size") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(static_cast<int64_t>(arguments[0]->GetValue<std::string>().value()->size())),
info::value::InternalValue(static_cast<int64_t>(arguments[0].GetValue<std::string>().value()->size())),
utils::ValueType::Tmp);
} else if (name == "at") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue((*arguments[0]->GetValue<std::string>().value())[*arguments[1]->GetValue<int64_t>().value()]),
info::value::InternalValue((*arguments[0].GetValue<std::string>().value())[*arguments[1].GetValue<int64_t>().value()]),
utils::ValueType::Tmp);
} else if (name == "=") {
*arguments[0]->GetValue<std::string>().value() = *arguments[1]->GetValue<std::string>().value();
*arguments[0].GetValue<std::string>().value() = *arguments[1].GetValue<std::string>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
@ -1246,26 +1264,26 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
case info::type::InternalType::Char:
if (name == "show") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(std::string{*arguments[0]->GetValue<char>().value()}),
info::value::InternalValue(std::string{*arguments[0].GetValue<char>().value()}),
utils::ValueType::Tmp);
} else if (name == "read") {
if (arguments[0]->GetValue<std::string>().value()->size() != 1) {
if (arguments[0].GetValue<std::string>().value()->size() != 1) {
error_handling::HandleRuntimeError("Can't read Char", node->base);
} else {
current_value_ = context_manager_.AddValue(
info::value::InternalValue((*arguments[0]->GetValue<std::string>().value())[0]),
info::value::InternalValue((*arguments[0].GetValue<std::string>().value())[0]),
utils::ValueType::Tmp);
}
} else if (name == "<") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<char>().value() < *arguments[1]->GetValue<char>().value()),
info::value::InternalValue(*arguments[0].GetValue<char>().value() < *arguments[1].GetValue<char>().value()),
utils::ValueType::Tmp);
} else if (name == "==") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<char>().value() == *arguments[1]->GetValue<char>().value()),
info::value::InternalValue(*arguments[0].GetValue<char>().value() == *arguments[1].GetValue<char>().value()),
utils::ValueType::Tmp);
} else if (name == "=") {
*arguments[0]->GetValue<char>().value() = *arguments[1]->GetValue<char>().value();
*arguments[0].GetValue<char>().value() = *arguments[1].GetValue<char>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
@ -1276,14 +1294,14 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
case info::type::InternalType::Bool:
if (name == "show") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(*arguments[0]->GetValue<bool>().value() ? "true" : "false"),
info::value::InternalValue(*arguments[0].GetValue<bool>().value() ? "true" : "false"),
utils::ValueType::Tmp);
} else if (name == "read") {
if (*arguments[0]->GetValue<std::string>().value() == "true") {
if (*arguments[0].GetValue<std::string>().value() == "true") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(true),
utils::ValueType::Tmp);
} else if (*arguments[0]->GetValue<std::string>().value() == "false") {
} else if (*arguments[0].GetValue<std::string>().value() == "false") {
current_value_ = context_manager_.AddValue(
info::value::InternalValue(false),
utils::ValueType::Tmp);
@ -1291,7 +1309,7 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
error_handling::HandleRuntimeError("Can't read Bool", node->base);
}
} else if (name == "=") {
*arguments[0]->GetValue<bool>().value() = *arguments[1]->GetValue<bool>().value();
*arguments[0].GetValue<bool>().value() = *arguments[1].GetValue<bool>().value();
current_value_ = context_manager_.AddValue(
info::value::InternalValue(info::value::Unit()),
utils::ValueType::Tmp);
@ -1305,7 +1323,7 @@ bool ExecuteVisitor::HandleBuiltinTypeFunctionCall(FunctionCallExpression* node,
info::value::InternalValue("()"),
utils::ValueType::Tmp);
} else if (name == "read") {
if (*arguments[0]->GetValue<std::string>().value() != "()") {
if (*arguments[0].GetValue<std::string>().value() != "()") {
error_handling::HandleRuntimeError("Can't read Unit", node->base);
}
current_value_ = context_manager_.AddValue(

4
src/main.cpp
View file

@ -86,9 +86,9 @@ int main(int argc, char** argv) { // TODO, only test version
type_context_manager,
context_manager);
try {
//try {
execute_visitor.ExecutePartition(main_partition.node);
} catch (...) { error_handling::HandleInternalError("execute_visitor exception", "main", std::nullopt); }
//} catch (...) { error_handling::HandleInternalError("execute_visitor exception", "main", std::nullopt); }
// std::cout << "\n---------------------------------- Typed -------------------------------------\n\n";
// typed_print_visitor.VisitSourceFile(source_file.get());

47
tests/test_code.lang
View file

@ -19,10 +19,17 @@ decl error : \string -> \unit
//
decl not : \bool -> \bool
def not : x =
(match x with
def not : x = {
; print-anything:[bool] x
; print-anything:[bool]
(match x with
| true -> false
| false -> true)
return (match x with
| true -> false
| false -> true)
}
//
@ -188,6 +195,10 @@ decl ( -- ) : \int -> \int -> \int`0
def ( -- ) : begin end = {
var current = begin
return (while current < end do {
; print-anything:[string] "iteration:"
; print-anything:[int] begin
; print-anything:[int] current
; print-anything:[int] end
; current += 1
bring current - 1
})
@ -258,24 +269,22 @@ decl scan-three : -> (& \string & \string & \string)
def scan-three = & \io..scan: & \io..scan: & \io..scan:
exec main {
var n = scan-anything:[int]
var n = \int..read: (\io..scan:)
; print-anything:[bool] (n < 2) // TODO: fix exception (arguments not present ??)
if n <= 0 then error: "n can't be less then 1"
if n > 1 then print-anything:[string] "aaa" // not work (??)
// var x = (for _ in 0--n do scan-int:) // $array[int] & 0
var x = (for _ in 0--n do scan-int:) // $array[int] & 0
var k? = if n < 2 then n * 2 +. 3 in
, print-anything:[string] "n < 2"
, print-anything:[int] k
; print-anything:[int] n
; print-int: ::x 123
var & a & b & c = scan-three-t:
; \io..print: b
var & d & e & f = scan-three:
; \io..print: e
// var k? = if n < 2 then n * 2 +. 3 in
// , print-anything:[string] "n < 2"
// , print-anything:[int] k
//
// ; print-anything:[int] n
//
// ; print-int: ::x 123
//
// var & a & b & c = scan-three-t:
// ; \io..print: b
// var & d & e & f = scan-three:
// ; \io..print: e
}