ref: 78e751f022a5aa3a6ffc4fd08a81fc408c5b70d4
dir: /include/asm/warning.h/
/* * This file is part of RGBDS. * * Copyright (c) 2019, Eldred Habert and RGBDS contributors. * * SPDX-License-Identifier: MIT */ #ifndef WARNING_H #define WARNING_H #include "helpers.h" extern unsigned int nbErrors; enum WarningState { WARNING_DEFAULT, WARNING_DISABLED, WARNING_ENABLED, WARNING_ERROR }; enum WarningID { WARNING_ASSERT, // Assertions WARNING_BACKWARDS_FOR, // `for` loop with backwards range WARNING_BUILTIN_ARG, // Invalid args to builtins WARNING_CHARMAP_REDEF, // Charmap entry re-definition WARNING_DIV, // Division undefined behavior WARNING_EMPTY_DATA_DIRECTIVE, // `db`, `dw` or `dl` directive without data in ROM WARNING_EMPTY_MACRO_ARG, // Empty macro argument WARNING_EMPTY_STRRPL, // Empty second argument in `STRRPL` WARNING_LARGE_CONSTANT, // Constants too large WARNING_LONG_STR, // String too long for internal buffers WARNING_MACRO_SHIFT, // Shift past available arguments in macro WARNING_NESTED_COMMENT, // Comment-start delimiter in a block comment WARNING_OBSOLETE, // Obsolete things WARNING_SHIFT, // Shifting undefined behavior WARNING_SHIFT_AMOUNT, // Strange shift amount WARNING_USER, // User warnings NB_PLAIN_WARNINGS, // Warnings past this point are "parametric" warnings, only mapping to a single flag #define PARAM_WARNINGS_START NB_PLAIN_WARNINGS // Treating string as number may lose some bits WARNING_NUMERIC_STRING_1 = PARAM_WARNINGS_START, WARNING_NUMERIC_STRING_2, // Implicit truncation loses some bits WARNING_TRUNCATION_1, WARNING_TRUNCATION_2, NB_PLAIN_AND_PARAM_WARNINGS, #define NB_PARAM_WARNINGS (NB_PLAIN_AND_PARAM_WARNINGS - PARAM_WARNINGS_START) // Warnings past this point are "meta" warnings #define META_WARNINGS_START NB_PLAIN_AND_PARAM_WARNINGS WARNING_ALL = META_WARNINGS_START, WARNING_EXTRA, WARNING_EVERYTHING, NB_WARNINGS, #define NB_META_WARNINGS (NB_WARNINGS - META_WARNINGS_START) }; extern enum WarningState warningStates[NB_PLAIN_AND_PARAM_WARNINGS]; extern bool warningsAreErrors; void processWarningFlag(char *flag); /* * Used to warn the user about problems that don't prevent the generation of * valid code. */ void warning(enum WarningID id, char const *fmt, ...) format_(printf, 2, 3); /* * Used for errors that compromise the whole assembly process by affecting the * following code, potencially making the assembler generate errors caused by * the first one and unrelated to the code that the assembler complains about. * It is also used when the assembler goes into an invalid state (for example, * when it fails to allocate memory). */ _Noreturn void fatalerror(char const *fmt, ...) format_(printf, 1, 2); /* * Used for errors that make it impossible to assemble correctly, but don't * affect the following code. The code will fail to assemble but the user will * get a list of all errors at the end, making it easier to fix all of them at * once. */ void error(char const *fmt, ...) format_(printf, 1, 2); #endif