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#pragma once
#include <stddef.h>
#include <stdbool.h>
#include "lexer/lexer.h"
struct ConstDecl
{
struct Token name;
struct Token value;
};
struct DataDecl
{
struct Token name;
struct Token value;
};
struct Param
{
struct Token name;
struct Token reg;
};
enum ExprKind
{
EXPR_PRIMARY,
EXPR_BINARY,
EXPR_MEMBER,
};
struct PrimaryExpr
{
struct Token token;
};
struct BinaryExpr
{
struct Expr* left;
struct Token op;
struct Expr* right;
};
struct MemberExpr
{
struct Expr* object;
struct Token member;
};
struct Expr
{
enum ExprKind kind;
union
{
struct PrimaryExpr primary;
struct BinaryExpr binary;
struct MemberExpr member;
};
};
enum StatementKind
{
STATEMENT_ASSIGN,
STATEMENT_LABEL,
STATEMENT_GOTO,
STATEMENT_SYSCALL,
STATEMENT_IF,
};
struct AssignStatement
{
bool target_deref;
struct Token target;
struct Token op;
struct Expr* value;
};
struct LabelStatement
{
struct Token name;
};
struct GotoStatement
{
struct Token label;
};
struct IfStatement
{
struct Expr* left;
struct Token comparison;
struct Expr* right;
struct Statement* body;
};
struct Statement
{
enum StatementKind kind;
union
{
struct AssignStatement assign;
struct LabelStatement label;
struct GotoStatement jump;
struct IfStatement branch;
};
};
struct ProcDecl
{
struct Token name;
struct Param* params;
size_t param_count;
size_t param_capacity;
struct Statement* body;
size_t body_count;
size_t body_capacity;
};
struct Program
{
struct ConstDecl* consts;
size_t const_count;
size_t const_capacity;
struct DataDecl* data_decls;
size_t data_count;
size_t data_capacity;
struct ProcDecl* procs;
size_t proc_count;
size_t proc_capacity;
};
struct Program create_program(void);
void free_program(struct Program* program);
void add_const(struct Program* program, struct ConstDecl decl);
void add_data(struct Program* program, struct DataDecl decl);
struct ProcDecl create_proc(void);
void free_proc(struct ProcDecl* proc);
void add_param(struct ProcDecl* proc, struct Param param);
void add_statement(struct ProcDecl* proc, struct Statement statement);
void add_proc(struct Program* program, struct ProcDecl decl);
void free_expr(struct Expr* expr);
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