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Added missing files
git-svn-id: svn://svn.cc65.org/cc65/trunk@2206 b7a2c559-68d2-44c3-8de9-860c34a00d81
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134
src/ld65/asserts.c
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134
src/ld65/asserts.c
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/*****************************************************************************/
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/* */
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/* asserts.c */
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/* */
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/* Assertions for the ld65 linker */
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/* */
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/* */
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/* */
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/* (C) 2003 Ullrich von Bassewitz */
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/* Römerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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/* common */
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#include "assertdefs.h"
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#include "coll.h"
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#include "xmalloc.h"
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/* ld65 */
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#include "asserts.h"
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#include "error.h"
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#include "expr.h"
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#include "fileio.h"
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#include "objdata.h"
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#include "spool.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* List with all assertions */
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static Collection Assertions = STATIC_COLLECTION_INITIALIZER;
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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Assertion* ReadAssertion (FILE* F, struct ObjData* O)
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/* Read an assertion from the given file */
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{
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/* Allocate memory */
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Assertion* A = xmalloc (sizeof (Assertion));
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/* Read the fields from the file */
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A->Expr = ReadExpr (F, O);
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A->Action = ReadVar (F);
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A->Msg = MakeGlobalStringId (O, ReadVar (F));
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ReadFilePos (F, &A->Pos);
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/* Set remaining fields */
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A->Obj = O;
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/* Add the assertion to the global list */
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CollAppend (&Assertions, A);
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/* Return the new struct */
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return A;
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}
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void CheckAssertions (void)
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/* Check all assertions */
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{
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unsigned I;
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/* Walk over all assertions */
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for (I = 0; I < CollCount (&Assertions); ++I) {
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/* Get the assertion */
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Assertion* A = CollAtUnchecked (&Assertions, I);
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/* If the expression is not constant, we're not able to handle it */
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if (!IsConstExpr (A->Expr)) {
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Warning ("Cannot evaluate assertion in module `%s', line %lu",
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GetSourceFileName (A->Obj, A->Pos.Name), A->Pos.Line);
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} else if (GetExprVal (A->Expr) == 0) {
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/* Assertion failed */
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const char* Module = GetSourceFileName (A->Obj, A->Pos.Name);
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const char* Message = GetString (A->Msg);
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switch (A->Action) {
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case ASSERT_ACT_WARN:
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Warning ("%s(%lu): %s", Module, A->Pos.Line, Message);
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break;
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case ASSERT_ACT_ERROR:
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Error ("%s(%lu): %s", Module, A->Pos.Line, Message);
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break;
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default:
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Internal ("Invalid assertion action (%u) in module `%s', "
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"line %lu (file corrupt?)",
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A->Action, Module, A->Pos.Line);
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break;
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}
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}
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}
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}
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85
src/ld65/asserts.h
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85
src/ld65/asserts.h
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@ -0,0 +1,85 @@
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/*****************************************************************************/
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/* */
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/* asserts.h */
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/* */
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/* Assertions for the ld65 linker */
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/* */
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/* */
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/* */
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/* (C) 2003 Ullrich von Bassewitz */
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/* Römerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef ASSERTS_H
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#define ASSERTS_H
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#include <stdio.h>
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/* common */
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#include "filepos.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* Assertion object */
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typedef struct Assertion Assertion;
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struct Assertion {
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FilePos Pos; /* File position of assertion */
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struct ExprNode* Expr; /* Expression to evaluate */
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unsigned Action; /* What to do */
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unsigned Msg; /* Message to print */
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struct ObjData* Obj; /* Object file containing the assertion */
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};
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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Assertion* ReadAssertion (FILE* F, struct ObjData* O);
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/* Read an assertion from the given file */
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void CheckAssertions (void);
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/* Check all assertions */
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/* End of asserts.h */
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#endif
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