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Use a string pool to reduce the memory footprint

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2197 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2003-06-04 12:40:14 +00:00
parent 4937cd236f
commit edde7a3f45
27 changed files with 551 additions and 374 deletions
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31
src/ld65/objdata.c
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@@ -43,6 +43,7 @@
#include "error.h"
#include "fileinfo.h"
#include "objdata.h"
#include "spool.h"
@@ -107,13 +108,27 @@ ObjData* NewObjData (void)
const char* GetObjString (const ObjData* O, unsigned long Index)
void FreeObjStrings (ObjData* O)
/* Free the module string data. Used once the object file is loaded completely
* when all strings are converted to global strings.
*/
{
while (O->StringCount) {
xfree (O->Strings[--O->StringCount]);
}
xfree (O->Strings);
O->Strings = 0;
}
const char* GetObjString (const ObjData* O, unsigned Index)
/* Get a string from the object file string table. Abort if the string index
* is invalid.
*/
{
if (Index >= O->StringCount) {
Error ("Invalid string index (%lu) in module `%s'",
Error ("Invalid string index (%u) in module `%s'",
Index, GetObjFileName (O));
}
return O->Strings[Index];
@@ -121,6 +136,18 @@ const char* GetObjString (const ObjData* O, unsigned long Index)
unsigned MakeGlobalStringId (const ObjData* O, unsigned Index)
/* Convert a local string id into a global one and return it. */
{
if (Index >= O->StringCount) {
Error ("Invalid string index (%u) in module `%s'",
Index, GetObjFileName (O));
}
return GetStringId (O->Strings[Index]);
}
const char* GetObjFileName (const ObjData* O)
/* Get the name of the object file. Return "[linker generated]" if the object
* file is NULL.