Record volatile and restrict qualifiers in types.
These are needed to correctly distinguish pointer types in _Generic. They should also be used for type compatibility checks in other contexts, but currently are not.
This also fixes a couple small problems related to type qualifiers:
*restrict was not allowed to appear after * in type-names
*volatile status was not properly recorded in sym files
Here is an example of using _Generic to distinguish pointer types based on the qualifiers of the pointed-to type:
#include <stdio.h>
#define f(e) _Generic((e),\
int * restrict *: 1,\
int * volatile const *: 2,\
int **: 3,\
default: 0)
#define g(e) _Generic((e),\
int *: 1,\
const int *: 2,\
volatile int *: 3,\
default: 0)
int main(void) {
int * restrict * p1;
int * volatile const * p2;
int * const * p3;
// should print "1 2 0 1"
printf("%i %i %i %i\n", f(p1), f(p2), f(p3), f((int * restrict *)0));
int *q1;
const int *q2;
volatile int *q3;
const volatile int *q4;
// should print "1 2 3 0"
printf("%i %i %i %i\n", g(q1), g(q2), g(q3), g(q4));
}
Here is an example of a problem resulting from volatile not being recorded in sym files (if a sym file was present, the read of x was lifted out of the loop):
#pragma optimize -1
static volatile int x;
#include <stdio.h>
int main(void) {
int y;
for (unsigned i = 0; i < 100; i++) {
y = x*2 + 7;
}
}
This commit is contained in:
Stephen Heumann
parent
586e3f9146
commit
b16210a50b
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@ -274,11 +274,14 @@ type
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parameterType: typePtr;
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end;
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typeQualifierEnum = (tqConst, tqVolatile, tqRestrict);
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typeQualifierSet = set of typeQualifierEnum;
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typeKind = (scalarType,arrayType,pointerType,functionType,enumType,
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enumConst,structType,unionType,definedType);
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typeRecord = record {type}
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size: longint; {size of the type in bytes}
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isConstant: boolean; {is the type a constant?}
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qualifiers: typeQualifierSet; {type qualifiers}
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saveDisp: longint; {disp in symbol file}
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case kind: typeKind of {NOTE: aType,pType and fType must overlap}
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scalarType : (baseType: baseTypeEnum; {our internal type representation}
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@ -575,7 +575,7 @@ var
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begin {AssignmentConversion}
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kind1 := t1^.kind;
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kind2 := t2^.kind;
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if t1^.isConstant then
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if tqConst in t1^.qualifiers then
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if genCode then
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if checkConst then
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Error(93);
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@ -947,7 +947,7 @@ var
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fnPtr := pointer(GCalloc(sizeof(typeRecord)));
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{fnPtr^.size := 0;}
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{fnPtr^.saveDisp := 0;}
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{fnPtr^.isConstant := false;}
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{fnPtr^.qualifiers := [];}
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fnPtr^.kind := functionType;
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fnPtr^.fType := intPtr;
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{fnPtr^.varargs := false;}
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@ -1888,14 +1888,14 @@ var
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if expressionType^.kind = functionType then begin
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controllingType.size := cgLongSize;
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controllingType.saveDisp := 0;
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controllingType.isConstant := false;
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controllingType.qualifiers := [];
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controllingType.kind := pointerType;
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controllingType.pType := expressionType;
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end {if}
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else if expressionType^.kind in [structType,unionType] then begin
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controllingType.size := expressionType^.size;
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controllingType.saveDisp := 0;
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controllingType.isConstant := false;
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controllingType.qualifiers := [];
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controllingType.kind := definedType;
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controllingType.dType := expressionType;
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end {else if}
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@ -1903,7 +1903,7 @@ var
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controllingType := expressionType^;
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if controllingType.kind = arrayType then
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controllingType.kind := pointerType;
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controllingType.isConstant := false;
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controllingType.qualifiers := [];
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typesSeen := nil;
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resultExpr := nil;
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@ -2778,7 +2778,7 @@ var
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eType := pointer(Malloc(sizeof(typeRecord)));
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eType^.size := cgLongSize;
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eType^.saveDisp := 0;
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eType^.isConstant := false;
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eType^.qualifiers := [];
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eType^.kind := pointerType;
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eType^.pType := iType;
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expressionType := eType;
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@ -2813,7 +2813,7 @@ var
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eType := pointer(Malloc(sizeof(typeRecord)));
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eType^.size := cgLongSize;
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eType^.saveDisp := 0;
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eType^.isConstant := false;
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eType^.qualifiers := [];
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eType^.kind := pointerType;
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eType^.pType := expressionType;
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expressionType := eType;
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@ -2830,7 +2830,7 @@ var
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eType := pointer(Malloc(sizeof(typeRecord)));
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eType^.size := cgLongSize;
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eType^.saveDisp := 0;
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eType^.isConstant := false;
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eType^.qualifiers := [];
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eType^.kind := pointerType;
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eType^.pType := expressionType;
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expressionType := eType;
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@ -2943,7 +2943,7 @@ var
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with tree^.id^ do begin
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{check for ++ or -- of a constant}
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if iType^.isConstant then
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if tqConst in iType^.qualifiers then
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Error(93);
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{do an efficient ++ or -- on a named location}
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@ -3560,6 +3560,8 @@ case tree^.token.kind of
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GenerateCode(tree^.right);
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AssignmentConversion(lType, expressionType, lastWasConst,
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lastConst, true, true);
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while lType^.kind = definedType do
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lType := lType^.dType;
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case lType^.kind of
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scalarType:
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if lisBitField then
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@ -3623,7 +3625,7 @@ case tree^.token.kind of
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else
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Gen1t(pc_ind, 0, lType^.baseType);
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end; {else}
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if lType^.isConstant then
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if tqConst in lType^.qualifiers then
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Error(93);
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if doingScalar
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and (ltype^.kind = arrayType) and (id^.storage = parameter) then
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@ -4082,7 +4084,7 @@ case tree^.token.kind of
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tType := pointer(Malloc(sizeof(typeRecord)));
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tType^.size := cgLongSize;
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tType^.saveDisp := 0;
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tType^.isConstant := false;
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tType^.qualifiers := [];
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tType^.kind := pointerType;
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tType^.pType := expressionType^.aType;
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expressionType := tType;
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@ -4138,7 +4140,7 @@ case tree^.token.kind of
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tType := pointer(Malloc(sizeof(typeRecord)));
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tType^.size := cgLongSize;
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tType^.saveDisp := 0;
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tType^.isConstant := false;
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tType^.qualifiers := [];
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tType^.kind := pointerType;
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tType^.pType := expressionType^.aType;
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expressionType := tType;
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18
Header.pas
18
Header.pas
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@ -18,7 +18,7 @@ uses CCommon, MM, Scanner, Symbol, CGI;
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{$segment 'SCANNER'}
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const
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symFileVersion = 14; {version number of .sym file format}
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symFileVersion = 15; {version number of .sym file format}
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var
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inhibitHeader: boolean; {should .sym includes be blocked?}
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@ -1016,7 +1016,9 @@ procedure EndInclude {chPtr: ptr};
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WriteByte(0);
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tp^.saveDisp := GetMark;
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WriteLong(tp^.size);
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WriteByte(ord(tp^.isConstant));
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WriteByte(ord(tqConst in tp^.qualifiers)
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| (ord(tqVolatile in tp^.qualifiers) << 1)
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WriteByte(ord(tp^.kind));
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case tp^.kind of
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scalarType: begin
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@ -1636,7 +1638,17 @@ var
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tdisp^.tPtr := tp;
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tp^.size := ReadLong;
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tp^.saveDisp := 0;
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tp^.isConstant := boolean(ReadByte);
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val := ReadByte;
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if odd(val) then
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tp^.qualifiers := [tqConst]
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else
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tp^.qualifiers := [];
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if odd(val >> 1) then begin
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tp^.qualifiers := tp^.qualifiers + [tqVolatile];
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volatile := true;
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end; {if}
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if odd(val >> 2) then
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tp^.qualifiers := tp^.qualifiers + [tqRestrict];
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tp^.kind := typeKind(ReadByte);
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case tp^.kind of
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scalarType: begin
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64
Parser.pas
64
Parser.pas
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@ -1237,7 +1237,7 @@ type
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pointerListPtr = ^pointerList; {for stacking pointer types}
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pointerList = record
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next: pointerListPtr;
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isConstant: boolean;
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qualifiers: typeQualifierSet;
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end;
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var
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@ -1315,7 +1315,7 @@ var
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{tPtr2^.size := 0;}
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{tPtr2^.saveDisp := 0;}
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tPtr2^.kind := definedType;
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{tPtr^.isConstant := false;}
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{tPtr^.qualifiers := [];}
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tPtr2^.dType := tPtr;
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end {if}
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else
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@ -1342,14 +1342,16 @@ var
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new(cp);
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cp^.next := cpList;
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cpList := cp;
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cp^.isConstant := false;
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cp^.qualifiers := [];
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while token.kind in [_Alignassy..whilesy] do begin
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if token.kind = constsy then
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cpList^.isConstant := true
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else if token.kind = volatilesy then
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cpList^.qualifiers := cpList^.qualifiers + [tqConst]
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else if token.kind = volatilesy then begin
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cpList^.qualifiers := cpList^.qualifiers + [tqVolatile];
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volatile := true
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else if token.kind = restrictsy then
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{always allowed for now (not recorded as part of the type)}
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end {else if}
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else if token.kind = restrictsy then {always allowed for now}
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cpList^.qualifiers := cpList^.qualifiers + [tqRestrict]
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else
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Error(9);
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NextToken;
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@ -1403,7 +1405,7 @@ var
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{tPtr2^.size := 0;}
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{tPtr2^.saveDisp := 0;}
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tPtr2^.kind := functionType;
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{tPtr2^.isConstant := false;}
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{tPtr2^.qualifiers := [];}
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{tPtr2^.varargs := false;}
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{tPtr2^.prototyped := false;}
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{tPtr2^.overrideKR := false;}
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@ -1548,7 +1550,7 @@ var
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tPtr2 := pointer(Calloc(sizeof(typeRecord)));
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{tPtr2^.size := 0;}
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{tPtr2^.saveDisp := 0;}
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{tPtr2^.isConstant := false;}
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{tPtr2^.qualifiers := [];}
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tPtr2^.kind := arrayType;
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{tPtr2^.elements := 0;}
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new(ttPtr);
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@ -1573,7 +1575,7 @@ var
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tPtr2 := pointer(Malloc(sizeof(typeRecord)));
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tPtr2^.size := cgPointerSize;
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tPtr2^.saveDisp := 0;
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tPtr2^.isConstant := cpList^.isConstant;
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tPtr2^.qualifiers := cpList^.qualifiers;
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tPtr2^.kind := pointerType;
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new(ttPtr);
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ttPtr^.next := typeStack;
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@ -2689,7 +2691,7 @@ var
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typeSpecifiers: tokenSet; {set of tokens specifying the type}
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typeDone: boolean; {no more type specifiers can be accepted}
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isConstant: boolean; {did we find a constsy?}
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typeQualifiers: typeQualifierSet; {set of type qualifiers found}
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myIsForwardDeclared: boolean; {value of isForwardDeclared to generate}
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mySkipDeclarator: boolean; {value of skipDeclarator to generate}
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@ -2929,9 +2931,9 @@ myTypeSpec := nil;
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myIsForwardDeclared := false; {not doing a forward reference (yet)}
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mySkipDeclarator := false; {declarations are required (so far)}
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myDeclarationModifiers := [];
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typeQualifiers := [];
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typeSpecifiers := [];
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typeDone := false;
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isConstant := false;
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isLongLong := false;
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while token.kind in allowedTokens do begin
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case token.kind of
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@ -2981,18 +2983,20 @@ while token.kind in allowedTokens do begin
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{type qualifiers}
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constsy: begin
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myDeclarationModifiers := myDeclarationModifiers + [token.kind];
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isConstant := true;
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typeQualifiers := typeQualifiers + [tqConst];
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NextToken;
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end;
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volatilesy: begin
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myDeclarationModifiers := myDeclarationModifiers + [token.kind];
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typeQualifiers := typeQualifiers + [tqVolatile];
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volatile := true;
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NextToken;
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end;
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restrictsy: begin
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myDeclarationModifiers := myDeclarationModifiers + [token.kind];
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typeQualifiers := typeQualifiers + [tqRestrict];
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if typeDone or (typeSpecifiers <> []) then
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if (myTypeSpec^.kind <> pointerType)
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or (myTypeSpec^.pType^.kind = functionType) then
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@ -3063,7 +3067,7 @@ while token.kind in allowedTokens do begin
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tPtr := pointer(Malloc(sizeof(typeRecord)));
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tPtr^.size := cgWordSize;
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tPtr^.saveDisp := 0;
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tPtr^.isConstant := false;
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tPtr^.qualifiers := [];
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tPtr^.kind := enumType;
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variable :=
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NewSymbol(ttoken.name, tPtr, storageClass, tagSpace, defined);
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@ -3077,7 +3081,7 @@ while token.kind in allowedTokens do begin
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tPtr := pointer(Malloc(sizeof(typeRecord)));
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tPtr^.size := cgWordSize;
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tPtr^.saveDisp := 0;
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tPtr^.isConstant := false;
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tPtr^.qualifiers := [];
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tPtr^.kind := enumConst;
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if token.kind = ident then begin
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variable :=
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@ -3157,7 +3161,7 @@ while token.kind in allowedTokens do begin
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structTypePtr := pointer(Calloc(sizeof(typeRecord)));
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{structTypePtr^.size := 0;}
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{structTypePtr^.saveDisp := 0;}
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{structTypePtr^.isConstant := false;}
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{structTypePtr^.qualifiers := [];}
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structTypePtr^.kind := tkind;
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{structTypePtr^.fieldList := nil;}
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{structTypePtr^.sName := nil;}
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@ -3189,7 +3193,7 @@ while token.kind in allowedTokens do begin
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structTypePtr := pointer(Calloc(sizeof(typeRecord)));
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{structTypePtr^.size := 0;}
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{structTypePtr^.saveDisp := 0;}
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{structTypePtr^.isConstant := false;}
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{structTypePtr^.qualifiers := [];}
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structTypePtr^.kind := tkind;
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{structTypePtr^.fieldList := nil;}
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{structTypePtr^.sName := nil;}
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@ -3260,7 +3264,7 @@ if typeSpec = nil then begin
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if (lint & lintC99Syntax) <> 0 then
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Error(151);
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end; {if}
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if isconstant then begin {handle a constant type}
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if typeQualifiers <> [] then begin {handle a qualified type}
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new(tPtr);
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if typeSpec^.kind in [structType,unionType] then begin
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with tPtr^ do begin
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@ -3268,11 +3272,13 @@ if isconstant then begin {handle a constant type}
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kind := definedType;
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dType := typeSpec;
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saveDisp := 0;
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qualifiers := typeQualifiers;
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end; {with}
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end {if}
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else
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else begin
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tPtr^ := typeSpec^;
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tPtr^.isConstant := true;
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tPtr^.qualifiers := tPtr^.qualifiers + typeQualifiers;
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end; {else}
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typeSpec := tPtr;
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end; {if}
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end; {DeclarationSpecifiers}
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@ -3969,7 +3975,7 @@ var
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tp := pointer(Calloc(sizeof(typeRecord)));
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{tp^.size := 0;}
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{tp^.saveDisp := 0;}
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{tp^.isConstant := false;}
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{tp^.qualifiers := [];}
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tp^.kind := functionType;
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{tp^.varargs := false;}
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{tp^.prototyped := false;}
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|
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@ -4004,13 +4010,17 @@ var
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tp := pointer(Malloc(sizeof(typeRecord)));
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tp^.size := cgLongSize;
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tp^.saveDisp := 0;
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tp^.isConstant := false;
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tp^.qualifiers := [];
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tp^.kind := pointerType;
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while token.kind in [constsy,volatilesy] do begin
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while token.kind in [constsy,volatilesy,restrictsy] do begin
|
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if token.kind = constsy then
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tp^.isConstant := true
|
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else {if token.kind = volatilesy then}
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tp^.qualifiers := tp^.qualifiers + [tqConst]
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else if token.kind = volatilesy then begin
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tp^.qualifiers := tp^.qualifiers + [tqVolatile];
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volatile := true;
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end {else}
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else {if token.kind = restrictsy then}
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tp^.qualifiers := tp^.qualifiers + [tqRestrict];
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NextToken;
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end; {while}
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AbstractDeclarator;
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|
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@ -4053,7 +4063,7 @@ var
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tp := pointer(Calloc(sizeof(typeRecord)));
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{tp^.size := 0;}
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{tp.saveDisp := 0;}
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{tp^.isConstant := false;}
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{tp^.qualifiers := [];}
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tp^.kind := functionType;
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{tp^.varargs := false;}
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{tp^.prototyped := false;}
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|
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@ -4493,7 +4503,7 @@ len := ord(functionName^[0]) + 1;
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tp := pointer(GCalloc(sizeof(typeRecord)));
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tp^.size := len;
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tp^.saveDisp := 0;
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tp^.isConstant := false;
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tp^.qualifiers := [];
|
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tp^.kind := arrayType;
|
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tp^.aType := constCharPtr;
|
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tp^.elements := len;
|
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|
|
|
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|
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@ -33,8 +33,12 @@ procedure PrintOneSymbol {ip: identPtr};
|
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begin {PrintType}
|
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with tp^ do begin
|
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write(' ', size:1, ' byte ');
|
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if isConstant then
|
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if tqConst in qualifiers then
|
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write('constant ');
|
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if tqVolatile in qualifiers then
|
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write('volatile ');
|
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if tqRestrict in qualifiers then
|
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write('restricted ');
|
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case kind of
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scalarType : writeln('scalar');
|
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arrayType : begin
|
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|
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57
Symbol.pas
57
Symbol.pas
|
|
@ -474,9 +474,8 @@ if t1 = t2 then begin {shortcut}
|
|||
goto 1;
|
||||
end; {if}
|
||||
StrictCompTypes := false; {assume the types are not compatible}
|
||||
if t1^.isConstant <> t2^.isConstant then {qualifiers must be the same}
|
||||
if t1^.qualifiers <> t2^.qualifiers then {qualifiers must be the same}
|
||||
goto 1;
|
||||
{TODO: Check other qualifiers (currently not recorded)}
|
||||
while t1^.kind = definedType do {scan past type definitions}
|
||||
t1 := t1^.dType;
|
||||
while t2^.kind = definedType do
|
||||
|
|
@ -521,13 +520,13 @@ case kind1 of
|
|||
if p1^.parameterType = p2^.parameterType then
|
||||
{these parameters are compatible}
|
||||
else begin
|
||||
tp1.isConstant := false;
|
||||
tp2.isConstant := false;
|
||||
tp1.qualifiers := [];
|
||||
tp2.qualifiers := [];
|
||||
if tp1.kind = arrayType then
|
||||
tp1.kind := pointerType
|
||||
else if tp1.kind = functionType then begin
|
||||
tp1.size := cgLongSize;
|
||||
tp1.isConstant := false;
|
||||
tp1.qualifiers := [];
|
||||
tp1.saveDisp := 0;
|
||||
tp1.kind := pointerType;
|
||||
tp1.pType := p1^.parameterType;
|
||||
|
|
@ -536,7 +535,7 @@ case kind1 of
|
|||
tp2.kind := pointerType
|
||||
else if tp2.kind = functionType then begin
|
||||
tp2.size := cgLongSize;
|
||||
tp2.isConstant := false;
|
||||
tp2.qualifiers := [];
|
||||
tp2.saveDisp := 0;
|
||||
tp2.kind := pointerType;
|
||||
tp2.pType := p2^.parameterType;
|
||||
|
|
@ -1368,7 +1367,7 @@ new(sCharPtr); {signed char}
|
|||
with sCharPtr^ do begin
|
||||
size := cgByteSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgByte;
|
||||
cType := ctSChar;
|
||||
|
|
@ -1377,7 +1376,7 @@ new(charPtr); {char}
|
|||
with charPtr^ do begin
|
||||
size := cgByteSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgUByte;
|
||||
cType := ctChar;
|
||||
|
|
@ -1386,7 +1385,7 @@ new(uCharPtr); {unsigned char}
|
|||
with uCharPtr^ do begin
|
||||
size := cgByteSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgUByte;
|
||||
cType := ctUChar;
|
||||
|
|
@ -1395,7 +1394,7 @@ new(shortPtr); {short}
|
|||
with shortPtr^ do begin
|
||||
size := cgWordSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgWord;
|
||||
cType := ctShort;
|
||||
|
|
@ -1404,7 +1403,7 @@ new(uShortPtr); {unsigned short}
|
|||
with uShortPtr^ do begin
|
||||
size := cgWordSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgUWord;
|
||||
cType := ctUShort;
|
||||
|
|
@ -1413,7 +1412,7 @@ new(intPtr); {int}
|
|||
with intPtr^ do begin
|
||||
size := cgWordSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgWord;
|
||||
cType := ctInt;
|
||||
|
|
@ -1422,7 +1421,7 @@ new(uIntPtr); {unsigned int}
|
|||
with uIntPtr^ do begin
|
||||
size := cgWordSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgUWord;
|
||||
cType := ctUInt;
|
||||
|
|
@ -1431,7 +1430,7 @@ new(int32Ptr); {int (32-bit)}
|
|||
with int32Ptr^ do begin
|
||||
size := cgLongSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgLong;
|
||||
cType := ctInt32;
|
||||
|
|
@ -1440,7 +1439,7 @@ new(uInt32Ptr); {unsigned int (32-bit)}
|
|||
with uInt32Ptr^ do begin
|
||||
size := cgLongSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgULong;
|
||||
cType := ctUInt32;
|
||||
|
|
@ -1449,7 +1448,7 @@ new(longPtr); {long}
|
|||
with longPtr^ do begin
|
||||
size := cgLongSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgLong;
|
||||
cType := ctLong;
|
||||
|
|
@ -1458,7 +1457,7 @@ new(uLongPtr); {unsigned long}
|
|||
with uLongPtr^ do begin
|
||||
size := cgLongSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgULong;
|
||||
cType := ctULong;
|
||||
|
|
@ -1467,7 +1466,7 @@ new(longLongPtr); {long long}
|
|||
with longLongPtr^ do begin
|
||||
size := cgQuadSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgQuad;
|
||||
cType := ctLongLong;
|
||||
|
|
@ -1476,7 +1475,7 @@ new(uLongLongPtr); {unsigned long long}
|
|||
with uLongLongPtr^ do begin
|
||||
size := cgQuadSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgUQuad;
|
||||
cType := ctULongLong;
|
||||
|
|
@ -1485,7 +1484,7 @@ new(floatPtr); {real}
|
|||
with floatPtr^ do begin
|
||||
size := cgRealSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgReal;
|
||||
cType := ctFloat;
|
||||
|
|
@ -1494,7 +1493,7 @@ new(doublePtr); {double}
|
|||
with doublePtr^ do begin
|
||||
size := cgDoubleSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgDouble;
|
||||
cType := ctDouble;
|
||||
|
|
@ -1503,7 +1502,7 @@ new(compPtr); {comp}
|
|||
with compPtr^ do begin
|
||||
size := cgCompSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgComp;
|
||||
cType := ctComp;
|
||||
|
|
@ -1512,7 +1511,7 @@ new(extendedPtr); {extended, aka long double}
|
|||
with extendedPtr^ do begin
|
||||
size := cgExtendedSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgExtended;
|
||||
cType := ctLongDouble;
|
||||
|
|
@ -1521,7 +1520,7 @@ new(boolPtr); {_Bool}
|
|||
with boolPtr^ do begin
|
||||
size := cgWordSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgWord;
|
||||
cType := ctBool;
|
||||
|
|
@ -1530,7 +1529,7 @@ new(stringTypePtr); {string constant type}
|
|||
with stringTypePtr^ do begin
|
||||
size := 0;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := arrayType;
|
||||
aType := charPtr;
|
||||
elements := 1;
|
||||
|
|
@ -1539,7 +1538,7 @@ new(voidPtr); {void}
|
|||
with voidPtr^ do begin
|
||||
size := 0;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := scalarType;
|
||||
baseType := cgVoid;
|
||||
cType := ctVoid;
|
||||
|
|
@ -1548,7 +1547,7 @@ new(voidPtrPtr); {typeless pointer}
|
|||
with voidPtrPtr^ do begin
|
||||
size := 4;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := pointerType;
|
||||
pType := voidPtr;
|
||||
end; {with}
|
||||
|
|
@ -1556,7 +1555,7 @@ new(defaultStruct); {default structure}
|
|||
with defaultStruct^ do begin {(for structures with errors)}
|
||||
size := cgWordSize;
|
||||
saveDisp := 0;
|
||||
isConstant := false;
|
||||
qualifiers := [];
|
||||
kind := structType;
|
||||
sName := nil;
|
||||
new(fieldList);
|
||||
|
|
@ -1572,7 +1571,7 @@ with defaultStruct^ do begin {(for structures with errors)}
|
|||
end; {with}
|
||||
new(constCharPtr); {const char}
|
||||
constCharPtr^ := charPtr^;
|
||||
constCharPtr^.isConstant := true;
|
||||
constCharPtr^.qualifiers := [tqConst];
|
||||
end; {InitSymbol}
|
||||
|
||||
|
||||
|
|
|
|||
2
cc.notes
2
cc.notes
|
|
@ -1204,6 +1204,8 @@ int foo(int[42]);
|
|||
|
||||
159. The CLOCKS_PER_SEC and CLK_TCK macros were hard-coded as 60, but they should actually be 50 if the system is in 50Hz video mode. This could throw off timing code that used these macros in conjunction with clock(). The macros now expand to code that will detect the video mode and give the appropriate value.
|
||||
|
||||
160. The volatile type qualifier was omitted from declarations recorded in a .sym file. This could lead to volatile accesses being optimized away.
|
||||
|
||||
-- Bugs from C 2.1.0 that have been fixed -----------------------------------
|
||||
|
||||
1. In some situations, fread() reread the first 1K or so of the file.
|
||||
|
|
|
|||
Loading…
Reference in New Issue