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Add #pragma charmap()
Cosmetical changes. git-svn-id: svn://svn.cc65.org/cc65/trunk@1162 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
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@ -6,7 +6,7 @@
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/* */
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/* */
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/* */
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/* (C) 1998-2001 Ullrich von Bassewitz */
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/* (C) 1998-2002 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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@ -230,7 +230,7 @@ static void ParseEnumDecl (void)
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if (CurTok.Tok == TOK_ASSIGN) {
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ExprDesc lval;
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NextToken ();
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constexpr (&lval);
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ConstExpr (&lval);
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EnumVal = lval.ConstVal;
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}
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@ -858,7 +858,7 @@ static void Decl (Declaration* D, unsigned Mode)
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/* Read the size if it is given */
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if (CurTok.Tok != TOK_RBRACK) {
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ExprDesc lval;
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constexpr (&lval);
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ConstExpr (&lval);
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Size = lval.ConstVal;
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}
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ConsumeRBrack ();
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@ -960,7 +960,7 @@ static void ParseVoidInit (void)
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/* Allow an arbitrary list of values */
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ConsumeLCurly ();
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do {
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constexpr (&lval);
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ConstExpr (&lval);
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switch (lval.Type[0]) {
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case T_SCHAR:
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@ -1069,7 +1069,7 @@ void ParseInit (type* T)
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case T_SCHAR:
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case T_UCHAR:
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constexpr (&lval);
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ConstExpr (&lval);
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if ((lval.Flags & E_MCTYPE) == E_TCONST) {
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/* Make it byte sized */
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lval.ConstVal &= 0xFF;
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@ -1083,7 +1083,7 @@ void ParseInit (type* T)
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case T_INT:
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case T_UINT:
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case T_PTR:
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constexpr (&lval);
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ConstExpr (&lval);
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if ((lval.Flags & E_MCTYPE) == E_TCONST) {
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/* Make it word sized */
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lval.ConstVal &= 0xFFFF;
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@ -1094,7 +1094,7 @@ void ParseInit (type* T)
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case T_LONG:
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case T_ULONG:
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constexpr (&lval);
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ConstExpr (&lval);
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if ((lval.Flags & E_MCTYPE) == E_TCONST) {
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/* Make it long sized */
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lval.ConstVal &= 0xFFFFFFFF;
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@ -3215,14 +3215,29 @@ void expression (ExprDesc* lval)
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void constexpr (ExprDesc* lval)
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void ConstExpr (ExprDesc* lval)
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/* Get a constant value */
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{
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memset (lval, 0, sizeof (*lval));
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if (expr (hie1, lval) != 0 || (lval->Flags & E_MCONST) == 0) {
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Error ("Constant expression expected");
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/* To avoid any compiler errors, make the expression a valid const */
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MakeConstIntExpr (lval, 1);
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MakeConstIntExpr (lval, 1);
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}
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}
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void ConstIntExpr (ExprDesc* Val)
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/* Get a constant int value */
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{
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memset (Val, 0, sizeof (*Val));
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if (expr (hie1, Val) != 0 ||
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(Val->Flags & E_MCONST) == 0 ||
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!IsClassInt (Val->Type)) {
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Error ("Constant integer expression expected");
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/* To avoid any compiler errors, make the expression a valid const */
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MakeConstIntExpr (Val, 1);
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}
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}
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@ -3235,7 +3250,7 @@ void intexpr (ExprDesc* lval)
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if (!IsClassInt (lval->Type)) {
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Error ("Integer expression expected");
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/* To avoid any compiler errors, make the expression a valid int */
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MakeConstIntExpr (lval, 1);
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MakeConstIntExpr (lval, 1);
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}
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}
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@ -92,9 +92,12 @@ int evalexpr (unsigned flags, int (*f) (ExprDesc*), ExprDesc* lval);
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* primary register and 1 is returned.
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*/
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void constexpr (ExprDesc* lval);
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void ConstExpr (ExprDesc* lval);
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/* Get a constant value */
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void ConstIntExpr (ExprDesc* Val);
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/* Get a constant int value */
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void intexpr (ExprDesc* lval);
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/* Get an integer expression */
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@ -6,7 +6,7 @@
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/* */
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/* */
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/* */
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/* (C) 1998-2001 Ullrich von Bassewitz */
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/* (C) 1998-2002 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@cc65.org */
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@ -36,6 +36,9 @@
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#include <stdlib.h>
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#include <string.h>
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/* common */
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#include "tgttrans.h"
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/* cc65 */
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#include "codegen.h"
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#include "error.h"
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@ -58,6 +61,7 @@
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/* Tokens for the #pragmas */
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typedef enum {
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PR_BSSSEG,
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PR_CHARMAP,
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PR_CHECKSTACK,
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PR_CODESEG,
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PR_DATASEG,
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@ -72,9 +76,10 @@ typedef enum {
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/* Pragma table */
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static const struct Pragma {
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const char* Key; /* Keyword */
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pragma_t Tok; /* Token */
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pragma_t Tok; /* Token */
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} Pragmas[] = {
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{ "bssseg", PR_BSSSEG },
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{ "charmap", PR_CHARMAP },
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{ "checkstack", PR_CHECKSTACK },
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{ "codeseg", PR_CODESEG },
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{ "dataseg", PR_DATASEG },
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@ -170,15 +175,49 @@ static void SegNamePragma (segment_t Seg)
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static void CharMapPragma (void)
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/* Change the character map */
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{
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unsigned Index, C;
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ExprDesc Val;
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/* Read the character index */
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ConstIntExpr (&Val);
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if (Val.ConstVal < 1 || Val.ConstVal > 255) {
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Error ("Character index out of range");
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Index = 'A';
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} else {
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Index = Val.ConstVal;
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}
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/* Comma follows */
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ConsumeComma ();
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/* Read the character code */
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ConstIntExpr (&Val);
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if (Val.ConstVal < 1 || Val.ConstVal > 255) {
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Error ("Character code out of range");
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C = 'A';
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} else {
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C = Val.ConstVal;
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}
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/* Remap the character */
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TgtTranslateSet (Index, C);
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}
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static void FlagPragma (unsigned char* Flag)
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/* Handle a pragma that expects a boolean paramater */
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{
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/* Read a constant expression */
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ExprDesc val;
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constexpr (&val);
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/* Read a constant integer expression */
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ExprDesc Val;
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ConstIntExpr (&Val);
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/* Store the value into the flag parameter */
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*Flag = (val.ConstVal != 0);
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*Flag = (Val.ConstVal != 0);
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}
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@ -221,6 +260,10 @@ void DoPragma (void)
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SegNamePragma (SEG_BSS);
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break;
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case PR_CHARMAP:
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CharMapPragma ();
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break;
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case PR_CHECKSTACK:
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FlagPragma (&CheckStack);
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break;
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@ -147,7 +147,7 @@ static void keepch (char c)
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{
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*mptr++ = c;
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}
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static void keepstr (const char* S)
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@ -758,7 +758,7 @@ static int DoIf (int Skip)
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NextToken ();
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/* Call the expression parser */
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constexpr (&lval);
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ConstExpr (&lval);
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/* End preprocessing mode */
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Preprocessing = 0;
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@ -6,7 +6,7 @@
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/* */
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/* */
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/* */
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/* (C) 1998-2001 Ullrich von Bassewitz */
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/* (C) 1998-2002 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@cc65.org */
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@ -121,7 +121,7 @@ void SwitchStatement (void)
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NextToken ();
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/* Read the selector expression */
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constexpr (&CaseExpr);
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ConstExpr (&CaseExpr);
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if (!IsClassInt (CaseExpr.Type)) {
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Error ("Switch quantity not an integer");
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}
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@ -142,14 +142,14 @@ void SwitchStatement (void)
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Error ("Range error");
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}
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break;
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case T_SHORT:
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case T_INT:
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if (Val < -32768 || Val > 32767) {
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Error ("Range error");
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}
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break;
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case T_USHORT:
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case T_UINT:
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if (Val < 0 || Val > 65535) {
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