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Fix the warning that is produced for unused functions

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mrdudz 2021-05-07 18:38:26 +02:00 committed by Oliver Schmidt
parent 216bb22b20
commit 0fbf2af09d
3 changed files with 7 additions and 0 deletions
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2
src/cc65/error.c
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@ -78,6 +78,7 @@ IntStack WarnUnreachableCode= INTSTACK(1); /* - unreachable code */
IntStack WarnUnusedLabel = INTSTACK(1); /* - unused labels */ IntStack WarnUnusedLabel = INTSTACK(1); /* - unused labels */
IntStack WarnUnusedParam = INTSTACK(1); /* - unused parameters */ IntStack WarnUnusedParam = INTSTACK(1); /* - unused parameters */
IntStack WarnUnusedVar = INTSTACK(1); /* - unused variables */ IntStack WarnUnusedVar = INTSTACK(1); /* - unused variables */
IntStack WarnUnusedFunc = INTSTACK(1); /* - unused functions */
/* Map the name of a warning to the intstack that holds its state */ /* Map the name of a warning to the intstack that holds its state */
typedef struct WarnMapEntry WarnMapEntry; typedef struct WarnMapEntry WarnMapEntry;
@ -97,6 +98,7 @@ static WarnMapEntry WarnMap[] = {
{ &WarnStructParam, "struct-param" }, { &WarnStructParam, "struct-param" },
{ &WarnUnknownPragma, "unknown-pragma" }, { &WarnUnknownPragma, "unknown-pragma" },
{ &WarnUnreachableCode, "unreachable-code" }, { &WarnUnreachableCode, "unreachable-code" },
{ &WarnUnusedFunc, "unused-func" },
{ &WarnUnusedLabel, "unused-label" }, { &WarnUnusedLabel, "unused-label" },
{ &WarnUnusedParam, "unused-param" }, { &WarnUnusedParam, "unused-param" },
{ &WarnUnusedVar, "unused-var" }, { &WarnUnusedVar, "unused-var" },

1
src/cc65/error.h
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@ -75,6 +75,7 @@ extern IntStack WarnUnreachableCode; /* - unreachable code */
extern IntStack WarnUnusedLabel; /* - unused labels */ extern IntStack WarnUnusedLabel; /* - unused labels */
extern IntStack WarnUnusedParam; /* - unused parameters */ extern IntStack WarnUnusedParam; /* - unused parameters */
extern IntStack WarnUnusedVar; /* - unused variables */ extern IntStack WarnUnusedVar; /* - unused variables */
extern IntStack WarnUnusedFunc; /* - unused functions */
/* Forward */ /* Forward */
struct StrBuf; struct StrBuf;

4
src/cc65/symtab.c
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@ -173,6 +173,10 @@ static void CheckSymTable (SymTable* Tab)
if (IS_Get (&WarnUnusedParam)) { if (IS_Get (&WarnUnusedParam)) {
Warning ("Parameter '%s' is never used", Entry->Name); Warning ("Parameter '%s' is never used", Entry->Name);
} }
} else if (Flags & SC_FUNC) {
if (IS_Get (&WarnUnusedFunc)) {
Warning ("Function '%s' is defined but never used", Entry->Name);
}
} else { } else {
if (IS_Get (&WarnUnusedVar)) { if (IS_Get (&WarnUnusedVar)) {
Warning ("Variable '%s' is defined but never used", Entry->Name); Warning ("Variable '%s' is defined but never used", Entry->Name);