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Use "declarator expected" error messages when appropriate.

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Previously, some of these cases would report "identifier expected."
This commit is contained in:
Stephen Heumann 2022-10-16 18:45:06 -05:00
parent 99e268e3b9
commit a864954353
2 changed files with 13 additions and 47 deletions
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26
Parser.pas
View File

@ -2750,15 +2750,15 @@ end; {DoStaticAssert}
procedure DeclarationSpecifiers (var declSpecifiers: declSpecifiersRecord;
allowedTokens: tokenSet; expectedNext: tokenEnum);
allowedTokens: tokenSet; badNextTokenError: integer);
{ handle declaration specifiers or a specifier-qualifier list }
{ }
{ parameters: }
{ declSpecifiers - record to hold result type & specifiers}
{ allowedTokens - specifiers/qualifiers that can be used }
{ expectedNext - token usually expected after declaration }
{ specifiers (used for error messages only) }
{ badNextTokenError - error code for an unexpected token }
{ following the declaration specifiers }
{ }
{ outputs: }
{ isForwardDeclared - is the field list component }
@ -2866,7 +2866,7 @@ var
DoStaticAssert;
goto 1;
end; {if}
DeclarationSpecifiers(fieldDeclSpecifiers, specifierQualifierListElement, ident);
DeclarationSpecifiers(fieldDeclSpecifiers, specifierQualifierListElement, 176);
repeat {declare the variables...}
if didFlexibleArray then
Error(118);
@ -3091,7 +3091,7 @@ var
myTypeSpec := boolPtr;
end {else if}
else
UnexpectedTokenError(expectedNext);
Error(badNextTokenError);
end; {ResolveType}
@ -3112,7 +3112,7 @@ while token.kind in allowedTokens do begin
myDeclarationModifiers := myDeclarationModifiers + [token.kind];
if myStorageClass <> ident then begin
if typeDone or (typeSpecifiers <> []) then
UnexpectedTokenError(expectedNext)
Error(badNextTokenError)
else
Error(26);
end; {if}
@ -3181,7 +3181,7 @@ while token.kind in allowedTokens do begin
if token.kind = lparench then begin
{_Atomic(typename) as type specifier}
if typeDone or (typeSpecifiers <> []) then
UnexpectedTokenError(expectedNext);
Error(badNextTokenError);
NextToken;
myTypeSpec := TypeName;
Match(rparench, 12);
@ -3193,7 +3193,7 @@ while token.kind in allowedTokens do begin
unsignedsy,signedsy,intsy,longsy,charsy,shortsy,floatsy,doublesy,voidsy,
compsy,extendedsy,_Boolsy: begin
if typeDone then
UnexpectedTokenError(expectedNext)
Error(badNextTokenError)
else if token.kind in typeSpecifiers then begin
if (token.kind = longsy) and
((myTypeSpec = longPtr) or (myTypeSpec = uLongPtr)) then begin
@ -3201,7 +3201,7 @@ while token.kind in allowedTokens do begin
ResolveType;
end
else
UnexpectedTokenError(expectedNext);
Error(badNextTokenError);
end {if}
else begin
if restrictsy in myDeclarationModifiers then begin
@ -3221,7 +3221,7 @@ while token.kind in allowedTokens do begin
enumsy: begin {enum}
if typeDone or (typeSpecifiers <> []) then
UnexpectedTokenError(expectedNext)
Error(badNextTokenError)
else if restrictsy in myDeclarationModifiers then
Error(143);
NextToken; {skip the 'enum' token}
@ -3313,7 +3313,7 @@ while token.kind in allowedTokens do begin
structsy, {struct}
unionsy: begin {union}
if typeDone or (typeSpecifiers <> []) then
UnexpectedTokenError(expectedNext)
Error(badNextTokenError)
else if restrictsy in myDeclarationModifiers then
Error(143);
globalStruct := false; {we didn't make it global}
@ -3717,7 +3717,7 @@ lUseGlobalPool := useGlobalPool;
{handle a TypeSpecifier/declarator}
typeFound := token.kind in declarationSpecifiersElement;
declaredTagOrEnumConst := false;
DeclarationSpecifiers(declSpecifiers, declarationSpecifiersElement, ident);
DeclarationSpecifiers(declSpecifiers, declarationSpecifiersElement, 176);
isPascal := pascalsy in declSpecifiers.declarationModifiers;
isAsm := asmsy in declSpecifiers.declarationModifiers;
isInline := inlinesy in declSpecifiers.declarationModifiers;
@ -4273,7 +4273,7 @@ var
begin {TypeName}
{read and process the type specifier}
DeclarationSpecifiers(declSpecifiers, specifierQualifierListElement, rparench);
DeclarationSpecifiers(declSpecifiers, specifierQualifierListElement, 12);
{_Alignas is not allowed in most uses of type names. }
{TODO: _Alignas should be allowed in compound literals. }

34
Scanner.pas
View File

@ -119,13 +119,6 @@ procedure Error (err: integer);
{ err - error number }
procedure UnexpectedTokenError (expectedToken: tokenEnum);
{ flag an error for an unexpected token }
{ }
{ expectedToken - what was expected }
procedure InitScanner (start, endPtr: ptr);
{ initialize the scanner }
@ -3551,33 +3544,6 @@ Error(err);
end; {Error2}
procedure UnexpectedTokenError {expectedToken: tokenEnum};
{ flag an error for an unexpected token }
{ }
{ expectedToken - what was expected }
begin {UnexpectedTokenError}
case expectedToken of
ident: Error(9);
rparench: Error(12);
lparench: Error(13);
gtch: Error(15);
intconst: Error(18);
semicolonch: Error(22);
rbracech: Error(23);
rbrackch: Error(24);
lbracech: Error(27);
colonch: Error(29);
whilesy: Error(30);
stringconst: Error(83);
commach: Error(86);
dotch: Error(89);
otherwise: Error(140);
end; {case}
end; {UnexpectedTokenError}
procedure DoNumber {scanWork: boolean};
{ The current character starts a number - scan it }