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Fixed a problem with conditional assembly. The assembler did not check if end

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of lined was reached after a .IF/.ELSE/... This could lead to invalid input
accepted without an error message.


git-svn-id: svn://svn.cc65.org/cc65/trunk@2947 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2004-03-21 11:03:08 +00:00
parent 3f1ebfe116
commit 1447b104db
3 changed files with 40 additions and 13 deletions
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17
src/ca65/condasm.c
View File

@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 2000-2003 Ullrich von Bassewitz */
/* (C) 2000-2004 Ullrich von Bassewitz */
/* Römerstraße 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@ -210,7 +210,7 @@ void DoConditionals (void)
case TOK_ELSE:
D = GetCurrentIf ();
if (D == 0) {
Error ("Unexpected .ELSE");
Error ("Unexpected .ELSE");
} else if (GetElse(D)) {
/* We already had a .ELSE ! */
Error ("Duplicate .ELSE");
@ -223,6 +223,7 @@ void DoConditionals (void)
IfCond = GetCurrentIfCond ();
}
NextTok ();
ExpectSep ();
break;
case TOK_ELSEIF:
@ -247,6 +248,7 @@ void DoConditionals (void)
*/
if (IfCond == 0) {
SetIfCond (D, ConstExpression ());
ExpectSep ();
}
/* Get the new overall condition */
@ -262,6 +264,7 @@ void DoConditionals (void)
* has been cleanup up, since we may be at end of file.
*/
NextTok ();
ExpectSep ();
/* Get the new overall condition */
IfCond = GetCurrentIfCond ();
@ -272,6 +275,7 @@ void DoConditionals (void)
NextTok ();
if (IfCond) {
SetIfCond (D, ConstExpression ());
ExpectSep ();
}
IfCond = GetCurrentIfCond ();
break;
@ -297,6 +301,7 @@ void DoConditionals (void)
ExprNode* Expr = Expression();
SetIfCond (D, IsConstExpr (Expr, 0));
FreeExpr (Expr);
ExpectSep ();
}
IfCond = GetCurrentIfCond ();
break;
@ -332,6 +337,7 @@ void DoConditionals (void)
ExprNode* Expr = Expression();
SetIfCond (D, !IsConstExpr (Expr, 0));
FreeExpr (Expr);
ExpectSep ();
}
IfCond = GetCurrentIfCond ();
break;
@ -342,6 +348,7 @@ void DoConditionals (void)
if (IfCond) {
SymEntry* Sym = ParseScopedSymName (SYM_FIND_EXISTING);
SetIfCond (D, Sym == 0 || !SymIsDef (Sym));
ExpectSep ();
}
IfCond = GetCurrentIfCond ();
break;
@ -352,6 +359,7 @@ void DoConditionals (void)
if (IfCond) {
SymEntry* Sym = ParseScopedSymName (SYM_FIND_EXISTING);
SetIfCond (D, Sym == 0 || !SymIsRef (Sym));
ExpectSep ();
}
IfCond = GetCurrentIfCond ();
break;
@ -363,6 +371,7 @@ void DoConditionals (void)
SetIfCond (D, GetCPU() == CPU_6502);
}
IfCond = GetCurrentIfCond ();
ExpectSep ();
break;
case TOK_IFP816:
@ -372,6 +381,7 @@ void DoConditionals (void)
SetIfCond (D, GetCPU() == CPU_65816);
}
IfCond = GetCurrentIfCond ();
ExpectSep ();
break;
case TOK_IFPC02:
@ -381,6 +391,7 @@ void DoConditionals (void)
SetIfCond (D, GetCPU() == CPU_65C02);
}
IfCond = GetCurrentIfCond ();
ExpectSep ();
break;
case TOK_IFPSC02:
@ -390,6 +401,7 @@ void DoConditionals (void)
SetIfCond (D, GetCPU() == CPU_65SC02);
}
IfCond = GetCurrentIfCond ();
ExpectSep ();
break;
case TOK_IFREF:
@ -398,6 +410,7 @@ void DoConditionals (void)
if (IfCond) {
SymEntry* Sym = ParseScopedSymName (SYM_FIND_EXISTING);
SetIfCond (D, Sym != 0 && SymIsRef (Sym));
ExpectSep ();
}
IfCond = GetCurrentIfCond ();
break;

29
src/ca65/nexttok.c
View File

@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 2000-2003 Ullrich von Bassewitz */
/* (C) 2000-2004 Ullrich von Bassewitz */
/* Römerstraße 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@ -419,15 +419,12 @@ void Consume (enum Token Expected, const char* ErrMsg)
void ConsumeSep (void)
/* Consume a separator token */
{
/* Accept an EOF as separator */
if (Tok != TOK_EOF) {
if (Tok != TOK_SEP) {
Error ("Unexpected trailing garbage characters");
SkipUntilSep ();
}
if (Tok == TOK_SEP) {
NextTok ();
}
/* We expect a separator token */
ExpectSep ();
/* If we have one, skip it */
if (Tok == TOK_SEP) {
NextTok ();
}
}
@ -467,6 +464,18 @@ void SkipUntilSep (void)
void ExpectSep (void)
/* Check if we've reached a line separator, and output an error if not. Do
* not skip the line separator.
*/
{
if (!TokIsSep (Tok)) {
ErrorSkip ("Unexpected trailing garbage characters");
}
}
void EnterRawTokenMode (void)
/* Enter raw token mode. In raw mode, token handling functions are not
* executed, but the function tokens are passed untouched to the upper

7
src/ca65/nexttok.h
View File

@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 2000-2003 Ullrich von Bassewitz */
/* (C) 2000-2004 Ullrich von Bassewitz */
/* Römerstraße 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@ -69,6 +69,11 @@ void ConsumeComma (void);
void SkipUntilSep (void);
/* Skip tokens until we reach a line separator or end of file */
void ExpectSep (void);
/* Check if we've reached a line separator, and output an error if not. Do
* not skip the line separator.
*/
void EnterRawTokenMode (void);
/* Enter raw token mode. In raw mode, token handling functions are not
* executed, but the function tokens are passed untouched to the upper