src/as_parser.h


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#ifndef FVM_AS_PARSER_H_
#define FVM_AS_PARSER_H_

#include "as_tokenizer.h"
#include "utils.h"

#include "as_op.h"

struct arg {
    int64_t ival;
    double fval;
};
typedef struct arg * Arg;

struct instr {
    enum op op;
    Arg arg;
    const char* tagName;
};
typedef struct instr *Instr;

struct label {
    const char* name;
};
typedef struct label *Label;

struct stmt {
    Label label;
    Instr instr;
};
typedef struct stmt *Stmt;

struct stmts {
    Stmt* stmts;
};
typedef struct stmts *Stmts;

struct prog {
    Stmts stmts;
};
typedef struct prog *Prog;

Prog parseProg(Allocator alct, TokenStream ts);
Stmt parseStmt(Allocator alct, TokenStream ts);
Stmts parseStmts(Allocator alct, TokenStream ts);
Instr parseInstr(Allocator alct, TokenStream ts);
Label parseLabel(Allocator alct, TokenStream ts);
enum op parseOp(Allocator alct, TokenStream ts);

#endif