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83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
// SPDX-License-Identifier: MIT
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#ifndef RGBDS_ASM_WARNING_HPP
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#define RGBDS_ASM_WARNING_HPP
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extern unsigned int nbErrors, maxErrors;
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enum WarningID {
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WARNING_ASSERT, // Assertions
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WARNING_BACKWARDS_FOR, // `FOR` loop with backwards range
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WARNING_BUILTIN_ARG, // Invalid args to builtins
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WARNING_CHARMAP_REDEF, // Charmap entry re-definition
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WARNING_DIV, // Undefined division behavior
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WARNING_EMPTY_DATA_DIRECTIVE, // `db`, `dw` or `dl` directive without data in ROM
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WARNING_EMPTY_MACRO_ARG, // Empty macro argument
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WARNING_EMPTY_STRRPL, // Empty second argument in `STRRPL`
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WARNING_LARGE_CONSTANT, // Constants too large
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WARNING_MACRO_SHIFT, // `SHIFT` past available arguments in macro
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WARNING_NESTED_COMMENT, // Comment-start delimiter in a block comment
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WARNING_OBSOLETE, // Obsolete/deprecated things
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WARNING_SHIFT, // Undefined `SHIFT` behavior
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WARNING_SHIFT_AMOUNT, // Strange `SHIFT` amount
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WARNING_UNMATCHED_DIRECTIVE, // `PUSH[C|O|S]` without `POP[C|O|S]`
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WARNING_UNTERMINATED_LOAD, // `LOAD` without `ENDL`
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WARNING_USER, // User-defined `WARN`ings
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NB_PLAIN_WARNINGS,
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// Warnings past this point are "parametric" warnings, only mapping to a single flag
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// Treating string as number may lose some bits
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WARNING_NUMERIC_STRING_1 = NB_PLAIN_WARNINGS,
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WARNING_NUMERIC_STRING_2,
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// Purging an exported symbol or label
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WARNING_PURGE_1,
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WARNING_PURGE_2,
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// Implicit truncation loses some bits
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WARNING_TRUNCATION_1,
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WARNING_TRUNCATION_2,
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// Character without charmap entry
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WARNING_UNMAPPED_CHAR_1,
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WARNING_UNMAPPED_CHAR_2,
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NB_WARNINGS,
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};
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enum WarningAbled { WARNING_DEFAULT, WARNING_ENABLED, WARNING_DISABLED };
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struct WarningState {
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WarningAbled state;
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WarningAbled error;
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void update(WarningState other);
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};
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struct Diagnostics {
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WarningState flagStates[NB_WARNINGS];
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WarningState metaStates[NB_WARNINGS];
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};
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extern Diagnostics warningStates;
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extern bool warningsAreErrors;
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void processWarningFlag(char const *flag);
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// Used to warn the user about problems that don't prevent the generation of
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// valid code.
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[[gnu::format(printf, 2, 3)]] void warning(WarningID id, char const *fmt, ...);
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// Used for errors that compromise the whole assembly process by affecting the
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// following code, potencially making the assembler generate errors caused by
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// the first one and unrelated to the code that the assembler complains about.
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// It is also used when the assembler goes into an invalid state (for example,
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// when it fails to allocate memory).
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[[gnu::format(printf, 1, 2), noreturn]] void fatalerror(char const *fmt, ...);
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// Used for errors that make it impossible to assemble correctly, but don't
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// affect the following code. The code will fail to assemble but the user will
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// get a list of all errors at the end, making it easier to fix all of them at
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// once.
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[[gnu::format(printf, 1, 2)]] void error(char const *fmt, ...);
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#endif // RGBDS_ASM_WARNING_HPP
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