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Remove some unnecessary parameters and code.

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These are not needed after the refactoring of declaration specifier processing.
This commit is contained in:
Stephen Heumann 2020-01-17 20:49:06 -06:00
parent df029ce06f
commit 08b4f8da3e
2 changed files with 15 additions and 26 deletions
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2
CC.pas
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@ -116,7 +116,7 @@ while token.kind <> eofsy do begin {compile the program}
constsy,ident,asmsy,pascalsy,asmsy,segmentsy,
_Static_assertsy])
then
DoDeclaration(false, false)
DoDeclaration(false)
else begin
Error(26);
NextToken;

39
Parser.pas
View File

@ -27,13 +27,12 @@ uses CCommon, Table, MM, CGI, Scanner, Header, Symbol, Expression, Asm;
{---------------------------------------------------------------}
procedure DoDeclaration (doingPrototypes, autoOrRegisterOnly: boolean);
procedure DoDeclaration (doingPrototypes: boolean);
{ process a variable or function declaration }
{ }
{ parameters: }
{ doingPrototypes - are we processing a parameter list? }
{ autoOrRegisterOnly - limit storage classes allowed? }
procedure DoStatement;
@ -617,7 +616,7 @@ var
structsy,unionsy,typedef,voidsy,volatilesy,constsy,
externsy,staticsy,typedefsy,_Static_assertsy]) then begin
doingForLoopClause1 := true;
DoDeclaration(false, true);
DoDeclaration(false);
doingForLoopClause1 := false;
end {if}
else if token.kind <> semicolonch then begin
@ -1404,7 +1403,7 @@ var
typedef,voidsy,volatilesy,constsy])
then begin
lLastParameter := lastParameter;
DoDeclaration(true, false);
DoDeclaration(true);
lastParameter := lLastParameter;
if protoType <> nil then begin
wp := pointer(Malloc(sizeof(parameterRecord)));
@ -2539,12 +2538,11 @@ Match(semicolonch, 22);
end; {DoStaticAssert}
procedure DeclarationSpecifiers (isConstant: boolean; allowedTokens: tokenSet);
procedure DeclarationSpecifiers (allowedTokens: tokenSet);
{ handle declaration specifiers or a specifier-qualifier list }
{ }
{ parameters: }
{ isConstant - did we already find a constsy? }
{ allowedTokens - specifiers/qualifiers that can be used }
{ }
{ outputs: }
@ -2573,6 +2571,8 @@ var
typeSpecifiers: tokenSet; {set of tokens specifying the type}
typeDone: boolean; {no more type specifiers can be accepted}
isConstant: boolean; {did we find a constsy?}
myIsForwardDeclared: boolean; {value of isForwardDeclared to generate}
mySkipDeclarator: boolean; {value of skipDeclarator to generate}
@ -2618,7 +2618,7 @@ var
goto 1;
end; {if}
typeSpec := wordPtr; {default type specifier is an integer}
DeclarationSpecifiers(false,specifierQualifierListElement);
DeclarationSpecifiers(specifierQualifierListElement);
if not skipDeclarator then
repeat {declare the variables...}
if didFlexibleArray then
@ -2802,6 +2802,7 @@ mySkipDeclarator := false; {declarations are required (so far)}
myFunctionSpecifiers := [];
typeSpecifiers := [];
typeDone := false;
isConstant := false;
while token.kind in allowedTokens do begin
case token.kind of
{storage class specifiers}
@ -3113,7 +3114,7 @@ end; {DeclarationSpecifiers}
{-- Externally available subroutines ---------------------------}
procedure DoDeclaration {doingPrototypes, autoOrRegisterOnly: boolean};
procedure DoDeclaration {doingPrototypes: boolean};
{ process a variable or function declaration }
{ }
@ -3124,7 +3125,6 @@ label 1,2,3,4;
var
done: boolean; {for loop termination}
foundConstsy: boolean; {did we find a constsy?}
fName: stringPtr; {for forming uppercase names}
i: integer; {loop variable}
isAsm: boolean; {has the asm modifier been used?}
@ -3354,7 +3354,6 @@ if token.kind = _Static_assertsy then begin
lDoingParameters := doingParameters; {record the status}
noFDefinitions := false; {are function definitions inhibited?}
typeFound := false; {no explicit type found, yet}
foundConstsy := false; {did not find a constsy}
if doingPrototypes then {prototypes implies a parm list}
doingParameters := true
else
@ -3365,23 +3364,13 @@ if not doingFunction then {handle any segment statements}
while token.kind = segmentsy do
SegmentStatement;
inhibitHeader := true; {block imbedded includes in headers}
if token.kind in [constsy,volatilesy] {handle leading constsy, volatile}
then begin
while token.kind in [constsy,volatilesy] do begin
if token.kind = constsy then
foundConstsy := true
else
volatile := true;
NextToken;
end; {while}
end; {if}
lUseGlobalPool := useGlobalPool;
storageClass := ident;
typeSpec := wordPtr; {default type specifier is an integer}
{handle a TypeSpecifier/declarator}
if token.kind in declarationSpecifiersElement then begin
typeFound := true;
DeclarationSpecifiers(foundConstsy, declarationSpecifiersElement);
DeclarationSpecifiers(declarationSpecifiersElement);
isPascal := pascalsy in functionSpecifiers;
isAsm := asmsy in functionSpecifiers;
isInline := inlinesy in functionSpecifiers;
@ -3554,7 +3543,7 @@ if isFunction then begin
floatsy,doublesy,compsy,extendedsy,enumsy,
structsy,unionsy,typedef,voidsy,volatilesy,
constsy,ident]) then
DoDeclaration(false, false)
DoDeclaration(false)
else begin
Error(27);
NextToken;
@ -3921,7 +3910,7 @@ var
begin {TypeName}
{read and process the type specifier}
typeSpec := wordPtr;
DeclarationSpecifiers(false,specifierQualifierListElement);
DeclarationSpecifiers(specifierQualifierListElement);
{handle the abstract-declarator part}
tl := nil; {no types so far}
@ -3965,7 +3954,7 @@ case statementList^.kind of
then begin
hasStatementNext := false;
if token.kind <> typedef then
DoDeclaration(false, false)
DoDeclaration(false)
else begin
lToken := token;
lPrintMacroExpansions := printMacroExpansions; {inhibit token echo}
@ -3976,7 +3965,7 @@ case statementList^.kind of
PutBackToken(nToken, false);
token := lToken;
if nToken.kind <> colonch then
DoDeclaration(false, false)
DoDeclaration(false)
else
hasStatementNext := true;
end {else}