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rgbasm: Avoid unnecessary filename copying.

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This commit is contained in:
Anthony J. Bentley
2014-09-24 00:52:00 -06:00
parent a849e1107e
commit 97d431d1f4
3 changed files with 9 additions and 36 deletions
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2
include/asm/asm.h
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@@ -24,7 +24,7 @@ extern ULONG nTotalLines;
extern ULONG nPC; extern ULONG nPC;
extern ULONG nPass; extern ULONG nPass;
extern ULONG nIFDepth; extern ULONG nIFDepth;
extern char tzCurrentFileName[_MAX_PATH + 1]; extern char *tzCurrentFileName;
extern struct Section *pCurrentSection; extern struct Section *pCurrentSection;
extern struct sSymbol *tHashedSymbols[HASHSIZE]; extern struct sSymbol *tHashedSymbols[HASHSIZE];
extern struct sSymbol *pPCSymbol; extern struct sSymbol *pPCSymbol;

2
include/asm/fstack.h
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@@ -19,7 +19,7 @@ struct sContext {
YY_BUFFER_STATE FlexHandle; YY_BUFFER_STATE FlexHandle;
struct sSymbol *pMacro; struct sSymbol *pMacro;
struct sContext *pNext; struct sContext *pNext;
char tzFileName[_MAX_PATH + 1]; char *tzFileName;
char *tzMacroArgs[MAXMACROARGS + 1]; char *tzMacroArgs[MAXMACROARGS + 1];
SLONG nLine; SLONG nLine;
ULONG nStatus; ULONG nStatus;

41
src/asm/fstack.c
View File

@@ -36,7 +36,7 @@ struct sSymbol *pCurrentMacro;
YY_BUFFER_STATE CurrentFlexHandle; YY_BUFFER_STATE CurrentFlexHandle;
FILE *pCurrentFile; FILE *pCurrentFile;
ULONG nCurrentStatus; ULONG nCurrentStatus;
char tzCurrentFileName[_MAX_PATH + 1]; char *tzCurrentFileName;
char IncludePaths[MAXINCPATHS][_MAX_PATH + 1]; char IncludePaths[MAXINCPATHS][_MAX_PATH + 1];
SLONG NextIncPath = 0; SLONG NextIncPath = 0;
ULONG nMacroCount; ULONG nMacroCount;
@@ -75,8 +75,7 @@ pushcontext(void)
(struct sContext *) malloc(sizeof(struct sContext))) != NULL) { (struct sContext *) malloc(sizeof(struct sContext))) != NULL) {
(*ppFileStack)->FlexHandle = CurrentFlexHandle; (*ppFileStack)->FlexHandle = CurrentFlexHandle;
(*ppFileStack)->pNext = NULL; (*ppFileStack)->pNext = NULL;
strcpy((char *) (*ppFileStack)->tzFileName, (*ppFileStack)->tzFileName = tzCurrentFileName;
(char *) tzCurrentFileName);
(*ppFileStack)->nLine = nLineNo; (*ppFileStack)->nLine = nLineNo;
switch ((*ppFileStack)->nStatus = nCurrentStatus) { switch ((*ppFileStack)->nStatus = nCurrentStatus) {
case STAT_isMacroArg: case STAT_isMacroArg:
@@ -137,8 +136,7 @@ popcontext(void)
nLineNo += 1; nLineNo += 1;
CurrentFlexHandle = pLastFile->FlexHandle; CurrentFlexHandle = pLastFile->FlexHandle;
strcpy((char *) tzCurrentFileName, tzCurrentFileName = pLastFile->tzFileName;
(char *) pLastFile->tzFileName);
switch (nCurrentStatus = pLastFile->nStatus) { switch (nCurrentStatus = pLastFile->nStatus) {
case STAT_isMacroArg: case STAT_isMacroArg:
case STAT_isMacro: case STAT_isMacro:
@@ -256,7 +254,7 @@ fstk_RunInclude(char *tzFileName)
pushcontext(); pushcontext();
nLineNo = 1; nLineNo = 1;
nCurrentStatus = STAT_isInclude; nCurrentStatus = STAT_isInclude;
strcpy(tzCurrentFileName, tzFileName); tzCurrentFileName = tzFileName;
pCurrentFile = f; pCurrentFile = f;
CurrentFlexHandle = yy_create_buffer(pCurrentFile); CurrentFlexHandle = yy_create_buffer(pCurrentFile);
yy_switch_to_buffer(CurrentFlexHandle); yy_switch_to_buffer(CurrentFlexHandle);
@@ -284,7 +282,7 @@ fstk_RunMacro(char *s)
nLineNo = -1; nLineNo = -1;
sym_UseNewMacroArgs(); sym_UseNewMacroArgs();
nCurrentStatus = STAT_isMacro; nCurrentStatus = STAT_isMacro;
strcpy(tzCurrentFileName, s); tzCurrentFileName = s;
pCurrentMacro = sym; pCurrentMacro = sym;
CurrentFlexHandle = CurrentFlexHandle =
yy_scan_bytes(pCurrentMacro->pMacro, yy_scan_bytes(pCurrentMacro->pMacro,
@@ -294,32 +292,7 @@ fstk_RunMacro(char *s)
} else } else
return (0); return (0);
} }
/*
* RGBAsm - FSTACK.C (FileStack routines)
*
* Set up a macroargument for parsing
*
*/
void
fstk_RunMacroArg(SLONG s)
{
char *sym;
if (s == '@')
s = -1;
else
s -= '0';
if ((sym = sym_FindMacroArg(s)) != NULL) {
pushcontext();
nCurrentStatus = STAT_isMacroArg;
sprintf(tzCurrentFileName, "%c", (UBYTE) s);
CurrentFlexHandle = yy_scan_bytes(sym, strlen(sym));
yy_switch_to_buffer(CurrentFlexHandle);
} else
fatalerror("No such macroargument");
}
/* /*
* RGBAsm - FSTACK.C (FileStack routines) * RGBAsm - FSTACK.C (FileStack routines)
* *
@@ -335,7 +308,7 @@ fstk_RunString(char *s)
if ((pSym = sym_FindSymbol(s)) != NULL) { if ((pSym = sym_FindSymbol(s)) != NULL) {
pushcontext(); pushcontext();
nCurrentStatus = STAT_isMacroArg; nCurrentStatus = STAT_isMacroArg;
strcpy(tzCurrentFileName, s); tzCurrentFileName = s;
CurrentFlexHandle = CurrentFlexHandle =
yy_scan_bytes(pSym->pMacro, strlen(pSym->pMacro)); yy_scan_bytes(pSym->pMacro, strlen(pSym->pMacro));
yy_switch_to_buffer(CurrentFlexHandle); yy_switch_to_buffer(CurrentFlexHandle);
@@ -392,7 +365,7 @@ fstk_Init(char *s)
nMacroCount = 0; nMacroCount = 0;
nCurrentStatus = STAT_isInclude; nCurrentStatus = STAT_isInclude;
strcpy(tzCurrentFileName, tzFileName); tzCurrentFileName = tzFileName;
CurrentFlexHandle = yy_create_buffer(pCurrentFile); CurrentFlexHandle = yy_create_buffer(pCurrentFile);
yy_switch_to_buffer(CurrentFlexHandle); yy_switch_to_buffer(CurrentFlexHandle);
nLineNo = 1; nLineNo = 1;