103 lines
4.0 KiB
C++
103 lines
4.0 KiB
C++
/* Name analysis.
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Copyright (C) 2025 Free Software Foundation, Inc.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#pragma once
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#include <string>
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#include <unordered_map>
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#include <memory>
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#include <deque>
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#include "elna/boot/ast.h"
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#include "elna/boot/result.h"
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#include "elna/boot/symbol.h"
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namespace elna::boot
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{
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class undeclared_error : public error
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{
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std::string identifier;
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public:
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undeclared_error(const std::string& identifier, const char *path, const struct position position);
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std::string what() const override;
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};
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class already_declared_error : public error
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{
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std::string identifier;
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public:
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already_declared_error(const std::string& identifier, const char *path, const struct position position);
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std::string what() const override;
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};
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class declaration_visitor final : public parser_visitor, public error_container
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{
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type current_type;
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constant_info::variant current_literal;
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std::shared_ptr<symbol_table> symbols;
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std::unordered_map<std::string, std::shared_ptr<alias_type>> unresolved;
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procedure_type build_procedure(procedure_type_expression& type_expression);
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public:
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explicit declaration_visitor(const char *path, std::shared_ptr<symbol_table> symbols);
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void visit(named_type_expression *type_expression) override;
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void visit(array_type_expression *type_expression) override;
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void visit(pointer_type_expression *type_expression) override;
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void visit(program *program) override;
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void visit(type_declaration *definition) override;
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void visit(record_type_expression *type_expression) override;
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void visit(union_type_expression *type_expression) override;
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void visit(procedure_type_expression *type_expression) override;
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void visit(enumeration_type_expression *type_expression) override;
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void visit(variable_declaration *declaration) override;
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void visit(constant_declaration *definition) override;
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void visit(procedure_declaration *definition) override;
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void visit(assign_statement *statement) override;
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void visit(if_statement *statement) override;
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void visit(import_declaration *) override;
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void visit(while_statement *statement) override;
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void visit(return_statement *statement) override;
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void visit(defer_statement *statement) override;
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void visit(case_statement *statement) override;
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void visit(procedure_call *call) override;
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void visit(unit *unit) override;
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void visit(cast_expression *expression) override;
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void visit(traits_expression *trait) override;
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void visit(binary_expression *expression) override;
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void visit(unary_expression *expression) override;
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void visit(variable_expression *) override;
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void visit(array_access_expression *expression) override;
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void visit(field_access_expression *expression) override;
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void visit(dereference_expression *expression) override;
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void visit(literal<std::int32_t> *literal) override;
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void visit(literal<std::uint32_t> *literal) override;
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void visit(literal<double> *literal) override;
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void visit(literal<bool> *literal) override;
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void visit(literal<unsigned char> *literal) override;
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void visit(literal<std::nullptr_t> *literal) override;
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void visit(literal<std::string> *literal) override;
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};
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}
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