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Allow comparing all pointer types to nil

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This commit is contained in:
Eugen Wissner
2025-02-03 23:04:00 +01:00
parent 607bf09434
commit aab16e4941
7 changed files with 187 additions and 98 deletions
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49
boot/ast.cc
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@ -92,15 +92,15 @@ namespace boot
void empty_visitor::visit(block *block)
{
for (const auto constant : block->constants)
for (constant_definition *const constant : block->constants)
{
constant->accept(this);
}
for (const auto variable : block->variables)
for (variable_declaration *const variable : block->variables)
{
variable->accept(this);
}
for (const auto body_statement : block->body)
for (statement *const body_statement : block->body)
{
body_statement->accept(this);
}
@ -108,11 +108,15 @@ namespace boot
void empty_visitor::visit(program *program)
{
for (auto definition : program->type_definitions)
{
definition->accept(this);
}
visit(reinterpret_cast<block *>(program));
for (type_definition *const type : program->types)
{
type->accept(this);
}
for (procedure_definition *const procedure : program->procedures)
{
procedure->accept(this);
}
}
void empty_visitor::visit(binary_expression *expression)
@ -490,23 +494,22 @@ namespace boot
block::~block()
{
for (auto variable : this->variables)
{
delete variable;
}
for (auto constant : this->constants)
{
delete constant;
}
for (auto body_statement : this->body)
for (statement *body_statement : this->body)
{
delete body_statement;
}
for (variable_declaration *variable : this->variables)
{
delete variable;
}
for (constant_definition *constant : this->constants)
{
delete constant;
}
}
program::program(const struct position position, std::vector<definition *>&& type_definitions)
: block(position),
type_definitions(std::move(type_definitions))
program::program(const struct position position)
: block(position)
{
}
@ -517,9 +520,13 @@ namespace boot
program::~program()
{
for (auto definition : type_definitions)
for (procedure_definition *procedure : this->procedures)
{
delete definition;
delete procedure;
}
for (type_definition *type : this->types)
{
delete type;
}
}

19
boot/parser.yy
View File

@ -111,23 +111,14 @@
%type <elna::boot::cast_expression *> cast_expression;
%%
program:
type_part constant_part variable_part procedure_part BEGIN_BLOCK optional_statements END_BLOCK DOT
constant_part type_part variable_part procedure_part BEGIN_BLOCK optional_statements END_BLOCK DOT
{
std::vector<elna::boot::definition *> definitions($1.size() + $4.size());
std::vector<elna::boot::definition *>::iterator definition = definitions.begin();
auto tree = new elna::boot::program(elna::boot::make_position(@5));
for (auto type : $1)
{
*definition++ = type;
}
for (auto procedure : $4)
{
*definition++ = procedure;
}
auto tree = new elna::boot::program(elna::boot::make_position(@5), std::move(definitions));
std::swap(tree->constants, $2);
std::swap(tree->constants, $1);
std::swap(tree->types , $2);
std::swap(tree->variables, $3);
std::swap(tree->procedures, $4);
std::swap(tree->body, $6);
driver.tree.reset(tree);