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git-svn-id: svn://svn.cc65.org/cc65/trunk@2206 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2003-06-06 21:15:42 +00:00
parent cdedb31199
commit 5faea71a56
2 changed files with 219 additions and 0 deletions
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134
src/ld65/asserts.c Normal file
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/*****************************************************************************/
/* */
/* asserts.c */
/* */
/* Assertions for the ld65 linker */
/* */
/* */
/* */
/* (C) 2003 Ullrich von Bassewitz */
/* Römerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
/* common */
#include "assertdefs.h"
#include "coll.h"
#include "xmalloc.h"
/* ld65 */
#include "asserts.h"
#include "error.h"
#include "expr.h"
#include "fileio.h"
#include "objdata.h"
#include "spool.h"
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* List with all assertions */
static Collection Assertions = STATIC_COLLECTION_INITIALIZER;
/*****************************************************************************/
/* Code */
/*****************************************************************************/
Assertion* ReadAssertion (FILE* F, struct ObjData* O)
/* Read an assertion from the given file */
{
/* Allocate memory */
Assertion* A = xmalloc (sizeof (Assertion));
/* Read the fields from the file */
A->Expr = ReadExpr (F, O);
A->Action = ReadVar (F);
A->Msg = MakeGlobalStringId (O, ReadVar (F));
ReadFilePos (F, &A->Pos);
/* Set remaining fields */
A->Obj = O;
/* Add the assertion to the global list */
CollAppend (&Assertions, A);
/* Return the new struct */
return A;
}
void CheckAssertions (void)
/* Check all assertions */
{
unsigned I;
/* Walk over all assertions */
for (I = 0; I < CollCount (&Assertions); ++I) {
/* Get the assertion */
Assertion* A = CollAtUnchecked (&Assertions, I);
/* If the expression is not constant, we're not able to handle it */
if (!IsConstExpr (A->Expr)) {
Warning ("Cannot evaluate assertion in module `%s', line %lu",
GetSourceFileName (A->Obj, A->Pos.Name), A->Pos.Line);
} else if (GetExprVal (A->Expr) == 0) {
/* Assertion failed */
const char* Module = GetSourceFileName (A->Obj, A->Pos.Name);
const char* Message = GetString (A->Msg);
switch (A->Action) {
case ASSERT_ACT_WARN:
Warning ("%s(%lu): %s", Module, A->Pos.Line, Message);
break;
case ASSERT_ACT_ERROR:
Error ("%s(%lu): %s", Module, A->Pos.Line, Message);
break;
default:
Internal ("Invalid assertion action (%u) in module `%s', "
"line %lu (file corrupt?)",
A->Action, Module, A->Pos.Line);
break;
}
}
}
}

85
src/ld65/asserts.h Normal file
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/*****************************************************************************/
/* */
/* asserts.h */
/* */
/* Assertions for the ld65 linker */
/* */
/* */
/* */
/* (C) 2003 Ullrich von Bassewitz */
/* Römerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef ASSERTS_H
#define ASSERTS_H
#include <stdio.h>
/* common */
#include "filepos.h"
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Assertion object */
typedef struct Assertion Assertion;
struct Assertion {
FilePos Pos; /* File position of assertion */
struct ExprNode* Expr; /* Expression to evaluate */
unsigned Action; /* What to do */
unsigned Msg; /* Message to print */
struct ObjData* Obj; /* Object file containing the assertion */
};
/*****************************************************************************/
/* Code */
/*****************************************************************************/
Assertion* ReadAssertion (FILE* F, struct ObjData* O);
/* Read an assertion from the given file */
void CheckAssertions (void);
/* Check all assertions */
/* End of asserts.h */
#endif