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First implementation of .UNDEF for deleting a macro.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@5049 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
2011-06-11 22:18:48 +00:00
parent 279ad05150
commit eaa45269e7
5 changed files with 163 additions and 69 deletions
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34
src/ca65/pseudo.c
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@@ -1778,6 +1778,29 @@ static void DoTag (void)
static void DoUnDef (void)
/* Undefine a macro */
{
/* The function is called with the .UNDEF token in place, because we need
* to disable .define macro expansions before reading the next token.
* Otherwise the name of the macro would be expanded, so we would never
* see it.
*/
DisableDefineStyleMacros ();
NextTok ();
EnableDefineStyleMacros ();
/* We expect an identifier */
if (CurTok.Tok != TOK_IDENT) {
ErrorSkip ("Identifier expected");
} else {
MacUndef (&CurTok.SVal);
NextTok ();
}
}
static void DoUnexpected (void)
/* Got an unexpected keyword */
{
@@ -1824,7 +1847,7 @@ static void DoZeropage (void)
/*****************************************************************************/
/* Table data */
/* Table data */
/*****************************************************************************/
@@ -1914,7 +1937,7 @@ static CtrlDesc CtrlCmdTab [] = {
{ ccKeepToken, DoConditionals }, /* .IFP816 */
{ ccKeepToken, DoConditionals }, /* .IFPC02 */
{ ccKeepToken, DoConditionals }, /* .IFPSC02 */
{ ccKeepToken, DoConditionals }, /* .IFREF */
{ ccKeepToken, DoConditionals }, /* .IFREF */
{ ccNone, DoImport },
{ ccNone, DoImportZP },
{ ccNone, DoIncBin },
@@ -1936,7 +1959,7 @@ static CtrlDesc CtrlCmdTab [] = {
{ ccNone, DoInvalid }, /* .MID */
{ ccNone, DoUnexpected }, /* .MIN */
{ ccNone, DoNull },
{ ccNone, DoOrg },
{ ccNone, DoOrg },
{ ccNone, DoOut },
{ ccNone, DoP02 },
{ ccNone, DoP816 },
@@ -1970,10 +1993,11 @@ static CtrlDesc CtrlCmdTab [] = {
{ ccNone, DoTag },
{ ccNone, DoUnexpected }, /* .TCOUNT */
{ ccNone, DoUnexpected }, /* .TIME */
{ ccKeepToken, DoUnDef },
{ ccNone, DoUnion },
{ ccNone, DoUnexpected }, /* .VERSION */
{ ccNone, DoWarning },
{ ccNone, DoWord },
{ ccNone, DoWord },
{ ccNone, DoUnexpected }, /* .XMATCH */
{ ccNone, DoZeropage },
};
@@ -1981,7 +2005,7 @@ static CtrlDesc CtrlCmdTab [] = {
/*****************************************************************************/
/* Code */
/* Code */
/*****************************************************************************/