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Fixed a bug

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1393 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2002-09-16 20:13:05 +00:00
parent 89b206f046
commit a6fffdf770
1 changed files with 17 additions and 3 deletions
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20
src/cc65/swstmt.c
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@ -73,7 +73,8 @@ void SwitchStatement (void)
unsigned ExitLabel; /* Exit label */
unsigned CaseLabel; /* Label for case */
unsigned DefaultLabel; /* Label for the default branch */
long Val; /* Case label value */
long Val; /* Case label value */
int HaveBreak = 0; /* True if the last statement had a break */
/* Eat the "switch" token */
@ -200,7 +201,7 @@ void SwitchStatement (void)
/* Parse statements */
if (CurTok.Tok != TOK_RCURLY) {
Statement (0);
HaveBreak = Statement (0);
}
}
@ -210,9 +211,22 @@ void SwitchStatement (void)
Warning ("No case labels");
} else {
CodeMark SwitchCodeStart;
/* If the last statement did not have a break, we may have an open
* label (maybe from an if or similar). Emitting code and then moving
* this code to the top will also move the label to the top which is
* wrong. So if the last statement did not have a break (which would
* carry the label), add a jump to the exit. If it is useless, the
* optimizer will remove it later.
*/
if (!HaveBreak) {
g_jump (ExitLabel);
}
/* Remember the current position */
CodeMark SwitchCodeStart = GetCodePos();
SwitchCodeStart = GetCodePos();
/* Generate code */
g_switch (Nodes, DefaultLabel? DefaultLabel : ExitLabel, Depth);