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/*
* Copyright (C) 2023 Johnny Richard
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef AST_H
#define AST_H
#include "string_view.h"
#include "vector.h"
#include <stdint.h>
typedef enum
{
TYPE_I32,
TYPE_BOOL,
TYPE_VOID,
} type_t;
typedef struct ast_node_t ast_node_t;
typedef struct ast_namespace_t
{
vector_t *nodes;
} ast_namespace_t;
typedef struct ast_block_t
{
vector_t *body;
} ast_block_t;
typedef struct ast_return_stmt_t
{
ast_node_t *argument;
} ast_return_stmt_t;
typedef struct ast_identifier_t
{
string_view_t name;
} ast_identifier_t;
typedef struct ast_variable_t
{
ast_identifier_t *identifier;
} ast_variable_t;
typedef struct ast_function_declaration_t
{
ast_identifier_t identifier;
type_t return_type;
ast_node_t *body;
} ast_function_declaration_t;
typedef enum ast_binary_operation_kind_t
{
AST_BINOP_ADITION,
AST_BINOP_SUBTRACTION,
AST_BINOP_MULTIPLICATION,
AST_BINOP_DIVISION,
AST_BINOP_EQUAL,
AST_BINOP_NOT_EQUAL,
AST_BINOP_AND,
AST_BINOP_OR,
AST_BINOP_GT,
AST_BINOP_LT,
AST_BINOP_LT_EQUAL,
AST_BINOP_GT_EQUAL,
AST_BINOP_N
} ast_binary_operation_kind_t;
typedef struct ast_binary_operation_t
{
ast_binary_operation_kind_t kind;
ast_node_t *left;
ast_node_t *right;
} ast_binary_operation_t;
typedef enum
{
AST_LITERAL_INTEGER,
AST_LITERAL_BOOL
} ast_literal_kind_t;
typedef union
{
uint32_t integer;
bool boolean;
} ast_literal_value_t;
typedef struct ast_literal_t
{
ast_literal_kind_t kind;
ast_literal_value_t value;
} ast_literal_t;
typedef struct ast_variable_declaration_t
{
ast_identifier_t identifier;
type_t type;
ast_node_t *value;
} ast_variable_declaration_t;
typedef struct ast_variable_assignment_t
{
ast_identifier_t *identifier;
ast_node_t *expression;
} ast_variable_assignment_t;
typedef struct ast_if_stmt_t
{
ast_node_t *condition;
ast_node_t *body;
} ast_if_stmt_t;
typedef enum
{
AST_NAMESPACE,
AST_BINARY_OPERATION,
AST_BLOCK,
AST_FUNCTION_DECLARATION,
AST_LITERAL,
AST_RETURN_STMT,
AST_IF_STMT,
AST_UNKOWN_NODE,
AST_VARIABLE_DECLARATION,
AST_VARIABLE_ASSIGNMENT,
AST_VARIABLE
} ast_node_kind_t;
typedef union
{
ast_namespace_t ns;
ast_binary_operation_t binary_operation;
ast_function_declaration_t function;
ast_literal_t literal;
ast_block_t block;
ast_if_stmt_t if_stmt;
ast_return_stmt_t return_stmt;
ast_variable_declaration_t variable_declaration;
ast_variable_assignment_t variable_assignment;
ast_variable_t variable;
} ast_node_data_t;
typedef struct ast_node_t
{
ast_node_kind_t kind;
ast_node_data_t data;
type_t result_type;
} ast_node_t;
char *
ast_type_to_str(type_t type);
ast_node_t *
ast_node_new(void);
void
ast_node_destroy_vector(vector_t *vector);
void
ast_node_destroy(ast_node_t *node);
ast_node_t *
ast_node_new_namespace(vector_t *nodes);
ast_node_t *
ast_node_new_binary_operation(ast_binary_operation_kind_t kind,
ast_node_t *left,
ast_node_t *right,
type_t result_type);
ast_node_t *
ast_node_new_function_declaration(string_view_t function_name, type_t return_type, ast_node_t *body);
ast_node_t *
ast_node_new_return_stmt(ast_node_t *argument);
ast_node_t *
ast_node_new_variable_declaration(string_view_t variable_name, type_t type, ast_node_t *value);
ast_node_t *
ast_node_new_literal_integer(uint32_t number);
ast_node_t *
ast_node_new_block(vector_t *body);
ast_node_t *
ast_node_new_literal_bool(bool boolean);
ast_node_t *
ast_node_new_variable(ast_identifier_t *identifier, type_t result_type);
ast_node_t *
ast_node_new_variable_assignment(ast_identifier_t *identifier, ast_node_t *expression);
ast_node_t *
ast_node_new_if_stmt(ast_node_t *condition, ast_node_t *body);
ast_node_t *
ast_node_ns_get_function_node_by_sv(ast_node_t *ns, string_view_t name);
ast_node_t *
ast_node_ns_get_function_node_by_name(ast_node_t *ns, char *function_name);
#endif /* AST_H */
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