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#ifndef BDL_COMPILER_H
#define BDL_COMPILER_H
#include "chunk.h"
#include "lexer.h"
typedef struct Visitor {
Token *tokens;
size_t current;
} Visitor;
// Mimics the functionality in the Scanner functions, but for entire tokens.
Token next_token(Visitor *visitor);
Token peek_token(const Visitor *visitor);
bool has_next_token(const Visitor *visitor);
Chunk * compile(Token *tokens);
Token
peek_token(const Visitor *visitor) {
return visitor->tokens[visitor->current];
}
Token
next_token(Visitor *visitor) {
return visitor->tokens[visitor->current++];
}
bool
has_next_token(const Visitor *visitor) {
return visitor->current < array_size(visitor->tokens);
}
Chunk *
compile(Token *tokens) {
Chunk *chunk = NULL;
chunk = chunk_init();
// error_push((Error){
// .type = ERR_TYPE_COMPILER,
// .value = ERR_UNKNOWN,
// });
size_t const_a = add_constant(chunk, 7);
add_code(chunk, OP_CONSTANT, 1, 1);
add_code(chunk, const_a, 1, 1);
size_t const_b = add_constant(chunk, 2);
add_code(chunk, OP_CONSTANT, 1, 2);
add_code(chunk, const_b, 1, 2);
add_code(chunk, OP_MOD, 1, 3);
add_code(chunk, OP_RETURN, 1, 1);
return chunk;
}
#endif // BDL_COMPILER_H
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