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73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/* SPDX-License-Identifier: MIT */
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// Contains some assembler-wide defines and externs
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#ifndef RGBDS_ASM_FSTACK_H
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#define RGBDS_ASM_FSTACK_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string>
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#include "asm/lexer.hpp"
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#include "linkdefs.hpp"
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struct FileStackNode {
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struct FileStackNode *parent; // Pointer to parent node, for error reporting
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// Line at which the parent context was exited; meaningless for the root level
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uint32_t lineNo;
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struct FileStackNode *next; // Next node in the output linked list
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bool referenced; // If referenced, don't free!
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uint32_t ID; // Set only if referenced: ID within the object file, -1 if not output yet
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enum FileStackNodeType type;
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};
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struct FileStackReptNode { // NODE_REPT
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struct FileStackNode node;
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uint32_t reptDepth;
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// WARNING: if changing this type, change overflow check in `fstk_Init`
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uint32_t iters[]; // REPT iteration counts since last named node, in reverse depth order
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};
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struct FileStackNamedNode { // NODE_FILE, NODE_MACRO
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struct FileStackNode node;
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char name[]; // File name for files, file::macro name for macros
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};
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#define DEFAULT_MAX_DEPTH 64
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extern size_t maxRecursionDepth;
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struct MacroArgs;
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void fstk_Dump(struct FileStackNode const *node, uint32_t lineNo);
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void fstk_DumpCurrent(void);
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struct FileStackNode *fstk_GetFileStack(void);
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// The lifetime of the returned chars is until reaching the end of that file
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char const *fstk_GetFileName(void);
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void fstk_AddIncludePath(char const *s);
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void fstk_SetPreIncludeFile(char const *s);
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/*
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* @param path The user-provided file name
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* @return A pointer to the `new`-allocated full path, or NULL if no path worked
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*/
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std::string *fstk_FindFile(char const *path);
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bool yywrap(void);
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void fstk_RunInclude(char const *path);
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void fstk_RunMacro(char const *macroName, struct MacroArgs *args);
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void fstk_RunRept(uint32_t count, int32_t reptLineNo, char *body, size_t size);
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void fstk_RunFor(char const *symName, int32_t start, int32_t stop, int32_t step,
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int32_t reptLineNo, char *body, size_t size);
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void fstk_StopRept(void);
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bool fstk_Break(void);
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void fstk_NewRecursionDepth(size_t newDepth);
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void fstk_Init(char const *mainPath, size_t maxDepth);
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#endif // RGBDS_ASM_FSTACK_H
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