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Fixed anonymous bit-fields declared with typedef'ed type names.

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This commit is contained in:
acqn 2022-01-03 23:54:14 +08:00 committed by mrdudz
parent 879ed5bb95
commit ace0bc414b
3 changed files with 100 additions and 20 deletions
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2
src/cc65/declare.c
View File

@ -1462,7 +1462,7 @@ static void ParseTypeSpec (DeclSpec* D, long Default, TypeCode Qualifiers,
case TOK_IDENT:
/* This could be a label */
if (NextTok.Tok != TOK_COLON) {
if (NextTok.Tok != TOK_COLON || GetLexicalLevel () == LEX_LEVEL_STRUCT) {
Entry = FindSym (CurTok.Ident);
if (Entry && SymIsTypeDef (Entry)) {
/* It's a typedef */

95
src/cc65/symtab.c
View File

@ -88,7 +88,8 @@ SymTable EmptySymTab = {
#define SYMTAB_SIZE_LABEL 7U
/* The current and root symbol tables */
static unsigned LexicalLevel = 0; /* For safety checks */
static unsigned LexLevelDepth = 0; /* For safety checks */
static LexicalLevel* CurrentLex = 0;
static SymTable* SymTab0 = 0;
static SymTable* SymTab = 0;
static SymTable* TagTab0 = 0;
@ -213,10 +214,46 @@ static void CheckSymTable (SymTable* Tab)
unsigned GetLexicalLevelDepth (void)
/* Return the current lexical level depth */
{
return LexLevelDepth;
}
unsigned GetLexicalLevel (void)
/* Return the current lexical level */
{
return LexicalLevel;
if (CurrentLex != 0) {
return CurrentLex->CurrentLevel;
}
return LEX_LEVEL_NONE;
}
void PushLexicalLevel (unsigned NewLevel)
/* Enter the specified lexical level */
{
LexicalLevel* L = xmalloc (sizeof (LexicalLevel));
L->PrevLex = CurrentLex;
CurrentLex = L;
CurrentLex->CurrentLevel = NewLevel;
++LexLevelDepth;
}
void PopLexicalLevel (void)
/* Exit the current lexical level */
{
LexicalLevel* L;
PRECONDITION (CurrentLex != 0 && LexLevelDepth > 0);
L = CurrentLex;
CurrentLex = L->PrevLex;
xfree (L);
--LexLevelDepth;
}
@ -225,7 +262,10 @@ void EnterGlobalLevel (void)
/* Enter the program global lexical level */
{
/* Safety */
PRECONDITION (++LexicalLevel == LEX_LEVEL_GLOBAL);
PRECONDITION (GetLexicalLevel () == LEX_LEVEL_NONE);
/* Enter global lexical level */
PushLexicalLevel (LEX_LEVEL_GLOBAL);
/* Create and assign the symbol table */
SymTab0 = SymTab = NewSymTable (SYMTAB_SIZE_GLOBAL);
@ -246,7 +286,7 @@ void LeaveGlobalLevel (void)
/* Leave the program global lexical level */
{
/* Safety */
PRECONDITION (LexicalLevel-- == LEX_LEVEL_GLOBAL);
PRECONDITION (GetLexicalLevel () == LEX_LEVEL_GLOBAL);
/* Check the tables */
CheckSymTable (SymTab0);
@ -260,6 +300,9 @@ void LeaveGlobalLevel (void)
/* Don't delete the symbol and struct tables! */
SymTab = 0;
TagTab = 0;
/* Exit global lexical level */
PopLexicalLevel ();
}
@ -269,8 +312,8 @@ void EnterFunctionLevel (void)
{
SymTable* S;
/* New lexical level */
++LexicalLevel;
/* Enter function lexical level */
PushLexicalLevel (LEX_LEVEL_FUNCTION);
/* Get a new symbol table and make it current */
S = NewSymTable (SYMTAB_SIZE_FUNCTION);
@ -293,8 +336,11 @@ void EnterFunctionLevel (void)
void RememberFunctionLevel (struct FuncDesc* F)
/* Remember the symbol tables for the level and leave the level without checks */
{
/* Leave the lexical level */
--LexicalLevel;
/* Safety */
PRECONDITION (GetLexicalLevel () == LEX_LEVEL_FUNCTION);
/* Leave function lexical level */
PopLexicalLevel ();
/* Remember the tables */
F->SymTab = SymTab;
@ -311,8 +357,8 @@ void RememberFunctionLevel (struct FuncDesc* F)
void ReenterFunctionLevel (struct FuncDesc* F)
/* Reenter the function lexical level using the existing tables from F */
{
/* New lexical level */
++LexicalLevel;
/* Enter function lexical level */
PushLexicalLevel (LEX_LEVEL_FUNCTION);
/* Make the tables current again */
F->SymTab->PrevTab = SymTab;
@ -330,8 +376,11 @@ void ReenterFunctionLevel (struct FuncDesc* F)
void LeaveFunctionLevel (void)
/* Leave function lexical level */
{
/* Leave the lexical level */
--LexicalLevel;
/* Safety */
PRECONDITION (GetLexicalLevel () == LEX_LEVEL_FUNCTION);
/* Leave function lexical level */
PopLexicalLevel ();
/* Check the tables */
CheckSymTable (SymTab);
@ -355,8 +404,8 @@ void EnterBlockLevel (void)
{
SymTable* S;
/* New lexical level */
++LexicalLevel;
/* Enter block lexical level */
PushLexicalLevel (LEX_LEVEL_BLOCK);
/* Get a new symbol table and make it current */
S = NewSymTable (SYMTAB_SIZE_BLOCK);
@ -374,8 +423,11 @@ void EnterBlockLevel (void)
void LeaveBlockLevel (void)
/* Leave a nested block in a function */
{
/* Leave the lexical level */
--LexicalLevel;
/* Safety */
PRECONDITION (GetLexicalLevel () == LEX_LEVEL_BLOCK);
/* Leave block lexical level */
PopLexicalLevel ();
/* Check the tables */
CheckSymTable (SymTab);
@ -392,6 +444,9 @@ void EnterStructLevel (void)
{
SymTable* S;
/* Enter struct lexical level */
PushLexicalLevel (LEX_LEVEL_STRUCT);
/* Get a new symbol table and make it current. Note: Structs and enums
** nested in struct scope are NOT local to the struct but visible in the
** outside scope. So we will NOT create a new struct or enum table.
@ -406,6 +461,12 @@ void EnterStructLevel (void)
void LeaveStructLevel (void)
/* Leave a nested block for a struct definition */
{
/* Safety */
PRECONDITION (GetLexicalLevel () == LEX_LEVEL_STRUCT);
/* Leave struct lexical level */
PopLexicalLevel ();
/* Don't delete the table */
FieldTab = FieldTab->PrevTab;
}
@ -1398,7 +1459,7 @@ void EmitDebugInfo (void)
/* For cosmetic reasons in the output file, we will insert two tabs
** on global level and just one on local level.
*/
if (LexicalLevel == LEX_LEVEL_GLOBAL) {
if (GetLexicalLevel () == LEX_LEVEL_GLOBAL) {
Head = "\t.dbg\t\tsym";
} else {
Head = "\t.dbg\tsym";

23
src/cc65/symtab.h
View File

@ -65,12 +65,22 @@ struct SymTable {
/* An empty symbol table */
extern SymTable EmptySymTab;
/* Forwards */
struct FuncDesc;
/* Lexical level linked list node type */
typedef struct LexicalLevel LexicalLevel;
struct LexicalLevel {
LexicalLevel* PrevLex;
unsigned CurrentLevel;
};
/* Predefined lexical levels */
#define LEX_LEVEL_NONE 0U
#define LEX_LEVEL_GLOBAL 1U
#define LEX_LEVEL_FUNCTION 2U
#define LEX_LEVEL_BLOCK 3U
#define LEX_LEVEL_STRUCT 4U
/* Forwards */
struct FuncDesc;
@ -80,9 +90,18 @@ struct FuncDesc;
unsigned GetLexicalLevelDepth (void);
/* Return the current lexical level depth */
unsigned GetLexicalLevel (void);
/* Return the current lexical level */
void PushLexicalLevel (unsigned NewLevel);
/* Enter the specified lexical level */
void PopLexicalLevel (void);
/* Exit the current lexical level */
void EnterGlobalLevel (void);
/* Enter the program global lexical level */