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Support the remainder operator

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This commit is contained in:
Eugen Wissner
2025-01-25 19:50:36 +01:00
parent 005e9dcc52
commit bf017ceba3
6 changed files with 172 additions and 217 deletions
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54
include/elna/source/ast.h
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@@ -19,6 +19,7 @@ namespace source
subtraction,
multiplication,
division,
remainder,
equals,
not_equals,
less,
@@ -40,7 +41,6 @@ namespace source
class procedure_definition;
class type_definition;
class call_expression;
class compound_statement;
class assign_statement;
class if_statement;
class while_statement;
@@ -75,7 +75,6 @@ namespace source
virtual void visit(type_definition *) = 0;
virtual void visit(call_expression *) = 0;
virtual void visit(expression_statement *) = 0;
virtual void visit(compound_statement *) = 0;
virtual void visit(assign_statement *) = 0;
virtual void visit(if_statement *) = 0;
virtual void visit(while_statement *) = 0;
@@ -112,7 +111,6 @@ namespace source
virtual void visit(type_definition *definition) override;
virtual void visit(call_expression *statement) override;
virtual void visit(expression_statement *statement) override;
virtual void visit(compound_statement *statement) override;
virtual void visit(assign_statement *statement) override;
virtual void visit(if_statement *) override;
virtual void visit(while_statement *) override;
@@ -484,15 +482,21 @@ namespace source
virtual ~expression_statement() override;
};
class compound_statement : public node
/**
* List of statements paired with a condition.
*/
class conditional_statements
{
expression *m_prerequisite;
public:
std::vector<statement *> statements;
compound_statement(const struct position position, std::vector<statement *>&& statements);
virtual void accept(parser_visitor *visitor) override;
conditional_statements(expression *prerequisite);
virtual ~compound_statement() override;
expression& prerequisite();
virtual ~conditional_statements();
};
class return_statement : public statement
@@ -609,24 +613,16 @@ namespace source
*/
class if_statement : public statement
{
expression *m_prerequisite;
compound_statement *m_body;
compound_statement *m_alternative;
conditional_statements *m_body;
std::vector<statement *> *m_alternative;
public:
/**
* \param position Source code position.
* \param prerequisite Condition.
* \param body Statement executed if the condition is met.
* \param alternative Statement executed if the condition is not met.
*/
if_statement(const struct position position, expression *prerequisite,
compound_statement *body, compound_statement *alternative = nullptr);
if_statement(const struct position position, conditional_statements *body,
std::vector<statement *> *alternative = nullptr);
virtual void accept(parser_visitor *visitor) override;
expression& prerequisite();
compound_statement& body();
compound_statement *alternative();
conditional_statements& body();
std::vector<statement *> *alternative();
virtual ~if_statement() override;
};
@@ -636,21 +632,13 @@ namespace source
*/
class while_statement : public statement
{
expression *m_prerequisite;
compound_statement *m_body;
conditional_statements *m_body;
public:
/**
* \param position Source code position.
* \param prerequisite Condition.
* \param body Statement executed while the condition is met.
*/
while_statement(const struct position position, expression *prerequisite,
compound_statement *body);
while_statement(const struct position position, conditional_statements *body);
virtual void accept(parser_visitor *visitor) override;
expression& prerequisite();
compound_statement& body();
conditional_statements& body();
virtual ~while_statement() override;
};
@@ -721,7 +709,7 @@ namespace source
public:
binary_expression(const struct position position, expression *lhs,
expression *rhs, const unsigned char operation);
expression *rhs, const binary_operator operation);
virtual void accept(parser_visitor *visitor) override;
expression& lhs();