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Implement compact file stacks in object files

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Gets rid of `open_memstream`, enabling Windows compatibility again
Also fixes #491 as a nice bonus!
This commit is contained in:
ISSOtm
2020-09-29 03:40:15 +02:00
parent 930080f556
commit 5a65188ca9
23 changed files with 796 additions and 365 deletions
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57
include/asm/fstack.h
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@@ -21,26 +21,44 @@
#include "types.h"
struct MacroArgs;
struct FileStackNode {
struct FileStackNode *parent; /* Pointer to parent node, for error reporting */
/* Line at which the parent context was exited; meaningless for the root level */
uint32_t lineNo;
struct sContext {
struct LexerState *lexerState;
struct Symbol const *pMacro;
struct sContext *next;
char tzFileName[_MAX_PATH + 1];
struct MacroArgs *macroArgs;
uint32_t uniqueID;
int32_t nLine;
uint32_t nStatus;
char const *pREPTBlock;
uint32_t nREPTBlockCount;
uint32_t nREPTBlockSize;
int32_t nREPTBodyFirstLine;
int32_t nREPTBodyLastLine;
struct FileStackNode *next; /* Next node in the output linked list */
bool referenced; /* If referenced, don't free! */
uint32_t ID; /* Set only if referenced: ID within the object file, -1 if not output yet */
enum {
NODE_REPT,
NODE_FILE,
NODE_MACRO,
} type;
};
struct FileStackReptNode { /* NODE_REPT */
struct FileStackNode node;
uint32_t reptDepth;
/* WARNING: if changing this type, change overflow check in `fstk_Init` */
uint32_t iters[]; /* REPT iteration counts since last named node, in reverse depth order */
};
struct FileStackNamedNode { /* NODE_FILE, NODE_MACRO */
struct FileStackNode node;
char name[]; /* File name for files, file::macro name for macros */
};
extern size_t nMaxRecursionDepth;
struct MacroArgs;
void fstk_Dump(struct FileStackNode const *node, uint32_t lineNo);
void fstk_DumpCurrent(void);
struct FileStackNode *fstk_GetFileStack(void);
/* The lifetime of the returned chars is until reaching the end of that file */
char const *fstk_GetFileName(void);
void fstk_AddIncludePath(char const *s);
/**
* @param path The user-provided file name
@@ -53,14 +71,9 @@ bool fstk_FindFile(char const *path, char **fullPath, size_t *size);
bool yywrap(void);
void fstk_RunInclude(char const *path);
void fstk_RunMacro(char *macroName, struct MacroArgs *args);
void fstk_RunMacro(char const *macroName, struct MacroArgs *args);
void fstk_RunRept(uint32_t count, int32_t nReptLineNo, char *body, size_t size);
void fstk_Dump(void);
char *fstk_DumpToStr(void);
char const *fstk_GetFileName(void);
uint32_t fstk_GetLine(void);
void fstk_Init(char *mainPath, size_t maxRecursionDepth);
void fstk_Init(char const *mainPath, size_t maxRecursionDepth);
#endif /* RGBDS_ASM_FSTACK_H */