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#ifndef AMALGAM_PARSER_H
#define AMALGAM_PARSER_H
#include "std/buffer_view.h"
#include "std/arena_allocator.h"
#include "std/thread.h"
#include "bytecode/bytecode.h"
#include "tokenizer.h"
#include "ast.h"
#include "defs.h"
#include <setjmp.h>
#define PARSER_OK 0
/* General error */
#define PARSER_ERR -1
#define PARSER_UNEXPECTED_TOKEN -2
typedef enum {
PARSER_THREAD_STATUS_NEW,
PARSER_THREAD_STATUS_IDLE,
PARSER_THREAD_STATUS_RUNNING
} ParserThreadStatus;
struct ParserThreadData {
amal_thread thread;
ParserThreadStatus status;
ArenaAllocator allocator;
};
typedef enum {
ERROR_CONTEXT_NONE,
ERROR_CONTEXT_RHS_STANDALONE,
ERROR_CONTEXT_NO_LHS
} ErrorContext;
struct Parser {
Tokenizer tokenizer;
StructDecl struct_decl;
LhsExpr file_decl;
Scope *current_scope;
bool has_func_parent;
/* Borrowed from @compiler for faster access to allocator. The allocator is thread-specific */
ArenaAllocator *allocator;
amal_compiler *compiler;
Ssa *ssa;
bool started;
TokenizerError error;
ErrorContext error_context;
jmp_buf parse_env;
Bytecode bytecode;
};
CHECK_RESULT int parser_thread_data_init(ParserThreadData *self);
void parser_thread_data_deinit(ParserThreadData *self);
CHECK_RESULT int parser_thread_data_start(ParserThreadData *self, AmalThreadCallbackFunc callback_func, void *userdata);
CHECK_RESULT int parser_thread_data_join(ParserThreadData *self, void **result);
CHECK_RESULT int parser_init(Parser *self, amal_compiler *compiler, ArenaAllocator *allocator);
/*
@buffer_name will be the path to the file when using parser_parse_file and when parsing a buffer
you can name the buffer anything you want to identify it.
Should only be called once for a parser object.
*/
CHECK_RESULT int parser_parse_buffer(Parser *self, BufferView code_buffer, BufferView buffer_name);
/*
Parses a file and the dependencies that are included using @import.
Should only be called once for a parser object.
*/
CHECK_RESULT int parser_parse_file(Parser *self, BufferView filepath);
#endif
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