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-rw-r--r--Source/Dafny/Parser.cs569
1 files changed, 294 insertions, 275 deletions
diff --git a/Source/Dafny/Parser.cs b/Source/Dafny/Parser.cs
index d49c78c6..7cc48f3b 100644
--- a/Source/Dafny/Parser.cs
+++ b/Source/Dafny/Parser.cs
@@ -20,12 +20,12 @@ public class Parser {
public const int _digits = 2;
public const int _arrayToken = 3;
public const int _string = 4;
- public const int maxT = 104;
+ public const int maxT = 105;
const bool T = true;
const bool x = false;
const int minErrDist = 2;
-
+
public Scanner/*!*/ scanner;
public Errors/*!*/ errors;
@@ -161,10 +161,10 @@ public static int Parse (string/*!*/ s, string/*!*/ filename, List<ModuleDecl/*!
if (errDist >= minErrDist) errors.SemErr(t, msg);
errDist = 0;
}
-
- public void SemErr(IToken/*!*/ tok, string/*!*/ msg) {
- Contract.Requires(tok != null);
- Contract.Requires(msg != null);
+
+ public void SemErr(IToken/*!*/ tok, string/*!*/ msg) {
+ Contract.Requires(tok != null);
+ Contract.Requires(msg != null);
errors.SemErr(tok, msg);
}
@@ -177,15 +177,15 @@ public static int Parse (string/*!*/ s, string/*!*/ filename, List<ModuleDecl/*!
la = t;
}
}
-
+
void Expect (int n) {
if (la.kind==n) Get(); else { SynErr(n); }
}
-
+
bool StartOf (int s) {
return set[s, la.kind];
}
-
+
void ExpectWeak (int n, int follow) {
if (la.kind == n) Get();
else {
@@ -209,7 +209,7 @@ public static int Parse (string/*!*/ s, string/*!*/ filename, List<ModuleDecl/*!
}
}
-
+
void Dafny() {
ClassDecl/*!*/ c; DatatypeDecl/*!*/ dt;
Attributes attrs; IToken/*!*/ id; List<string/*!*/> theImports;
@@ -402,7 +402,7 @@ public static int Parse (string/*!*/ s, string/*!*/ filename, List<ModuleDecl/*!
mm.Add(m);
} else if (la.kind == 18) {
CouplingInvDecl(mmod, mm);
- } else SynErr(105);
+ } else SynErr(106);
}
void GenericParameters(List<TypeParameter/*!*/>/*!*/ typeArgs) {
@@ -486,7 +486,7 @@ public static int Parse (string/*!*/ s, string/*!*/ filename, List<ModuleDecl/*!
}
FunctionBody(out bb, out bodyStart, out bodyEnd);
body = bb;
- } else SynErr(106);
+ } else SynErr(107);
parseVarScope.PopMarker();
f = new Function(id, id.val, mmod.IsStatic, !isFunctionMethod, mmod.IsUnlimited, typeArgs, formals, returnType, reqs, reads, ens, decreases, body, attrs);
f.BodyStartTok = bodyStart;
@@ -515,7 +515,7 @@ public static int Parse (string/*!*/ s, string/*!*/ filename, List<ModuleDecl/*!
} else if (la.kind == 10) {
Get();
isRefinement = true;
- } else SynErr(107);
+ } else SynErr(108);
if (mmod.IsUnlimited) { SemErr(t, "methods cannot be declared 'unlimited'"); }
while (la.kind == 7) {
@@ -542,7 +542,7 @@ public static int Parse (string/*!*/ s, string/*!*/ filename, List<ModuleDecl/*!
}
BlockStmt(out bb, out bodyStart, out bodyEnd);
body = (BlockStmt)bb;
- } else SynErr(108);
+ } else SynErr(109);
parseVarScope.PopMarker();
if (isRefinement)
m = new MethodRefinement(id, id.val, mmod.IsStatic, mmod.IsGhost, typeArgs, ins, outs, req, mod, ens, dec, body, attrs);
@@ -634,18 +634,18 @@ public static int Parse (string/*!*/ s, string/*!*/ filename, List<ModuleDecl/*!
Contract.Ensures(Contract.ValueAtReturn(out e) != null); IToken/*!*/ x; Expression/*!*/ e0; Expression/*!*/ e1 = dummyExpr;
e = dummyExpr;
- if (la.kind == 52) {
+ if (la.kind == 53) {
Get();
x = t;
Expression(out e);
- Expect(64);
+ Expect(65);
Expression(out e0);
- Expect(53);
+ Expect(54);
Expression(out e1);
e = new ITEExpr(x, e, e0, e1);
} else if (StartOf(8)) {
EquivExpression(out e);
- } else SynErr(109);
+ } else SynErr(110);
}
void GIdentType(bool allowGhost, out IToken/*!*/ id, out Type/*!*/ ty, out bool isGhost) {
@@ -735,7 +735,7 @@ public static int Parse (string/*!*/ s, string/*!*/ filename, List<ModuleDecl/*!
} else if (la.kind == 1 || la.kind == 3 || la.kind == 36) {
ReferenceType(out tok, out ty);
- } else SynErr(110);
+ } else SynErr(111);
}
void Formals(bool incoming, bool allowGhosts, List<Formal/*!*/>/*!*/ formals) {
@@ -785,12 +785,12 @@ List<Expression/*!*/>/*!*/ decreases) {
Expression(out e);
Expect(15);
ens.Add(new MaybeFreeExpression(e, isFree));
- } else SynErr(111);
+ } else SynErr(112);
} else if (la.kind == 29) {
Get();
Expressions(decreases);
Expect(15);
- } else SynErr(112);
+ } else SynErr(113);
}
void BlockStmt(out Statement/*!*/ block, out IToken bodyStart, out IToken bodyEnd) {
@@ -872,7 +872,7 @@ List<Expression/*!*/>/*!*/ decreases) {
GenericInstantiation(gt);
}
ty = new UserDefinedType(tok, tok.val, gt);
- } else SynErr(113);
+ } else SynErr(114);
}
void FunctionSpec(List<Expression/*!*/>/*!*/ reqs, List<FrameExpression/*!*/>/*!*/ reads, List<Expression/*!*/>/*!*/ ens, List<Expression/*!*/>/*!*/ decreases) {
@@ -904,7 +904,7 @@ List<Expression/*!*/>/*!*/ decreases) {
Get();
Expressions(decreases);
Expect(15);
- } else SynErr(114);
+ } else SynErr(115);
}
void FunctionBody(out Expression/*!*/ e, out IToken bodyStart, out IToken bodyEnd) {
@@ -915,7 +915,7 @@ List<Expression/*!*/>/*!*/ decreases) {
MatchExpression(out e);
} else if (StartOf(9)) {
Expression(out e);
- } else SynErr(115);
+ } else SynErr(116);
Expect(8);
bodyEnd = t;
}
@@ -927,7 +927,7 @@ List<Expression/*!*/>/*!*/ decreases) {
fe = new FrameExpression(new WildcardExpr(t), null);
} else if (StartOf(9)) {
FrameExpression(out fe);
- } else SynErr(116);
+ } else SynErr(117);
}
void PossiblyWildExpression(out Expression/*!*/ e) {
@@ -938,7 +938,7 @@ List<Expression/*!*/>/*!*/ decreases) {
e = new WildcardExpr(t);
} else if (StartOf(9)) {
Expression(out e);
- } else SynErr(117);
+ } else SynErr(118);
}
void MatchExpression(out Expression/*!*/ e) {
@@ -992,7 +992,7 @@ List<Expression/*!*/>/*!*/ decreases) {
MatchExpression(out e);
} else if (StartOf(9)) {
Expression(out e);
- } else SynErr(118);
+ } else SynErr(119);
}
void Stmt(List<Statement/*!*/>/*!*/ ss) {
@@ -1008,7 +1008,7 @@ List<Expression/*!*/>/*!*/ decreases) {
ss.Add(s);
} else if (la.kind == 11 || la.kind == 16) {
VarDeclStmts(ss);
- } else SynErr(119);
+ } else SynErr(120);
}
void OneStmt(out Statement/*!*/ s) {
@@ -1016,39 +1016,39 @@ List<Expression/*!*/>/*!*/ decreases) {
s = dummyStmt; /* to please the compiler */
switch (la.kind) {
- case 60: {
+ case 61: {
AssertStmt(out s);
break;
}
- case 61: {
+ case 62: {
AssumeStmt(out s);
break;
}
- case 62: {
+ case 63: {
UseStmt(out s);
break;
}
- case 63: {
+ case 64: {
PrintStmt(out s);
break;
}
- case 1: case 30: case 96: case 97: {
- AssignStmt(out s);
+ case 1: case 30: case 97: case 98: {
+ AssignStmt(out s, true);
break;
}
- case 51: {
+ case 52: {
HavocStmt(out s);
break;
}
- case 56: {
+ case 57: {
CallStmt(out s);
break;
}
- case 52: {
+ case 53: {
IfStmt(out s);
break;
}
- case 54: {
+ case 55: {
WhileStmt(out s);
break;
}
@@ -1056,7 +1056,7 @@ List<Expression/*!*/>/*!*/ decreases) {
MatchStmt(out s);
break;
}
- case 57: {
+ case 58: {
ForeachStmt(out s);
break;
}
@@ -1086,7 +1086,7 @@ List<Expression/*!*/>/*!*/ decreases) {
s = new ReturnStmt(x);
break;
}
- default: SynErr(120); break;
+ default: SynErr(121); break;
}
}
@@ -1109,7 +1109,7 @@ List<Expression/*!*/>/*!*/ decreases) {
void AssertStmt(out Statement/*!*/ s) {
Contract.Ensures(Contract.ValueAtReturn(out s) != null); IToken/*!*/ x; Expression/*!*/ e;
- Expect(60);
+ Expect(61);
x = t;
Expression(out e);
Expect(15);
@@ -1118,7 +1118,7 @@ List<Expression/*!*/>/*!*/ decreases) {
void AssumeStmt(out Statement/*!*/ s) {
Contract.Ensures(Contract.ValueAtReturn(out s) != null); IToken/*!*/ x; Expression/*!*/ e;
- Expect(61);
+ Expect(62);
x = t;
Expression(out e);
Expect(15);
@@ -1127,7 +1127,7 @@ List<Expression/*!*/>/*!*/ decreases) {
void UseStmt(out Statement/*!*/ s) {
Contract.Ensures(Contract.ValueAtReturn(out s) != null); IToken/*!*/ x; Expression/*!*/ e;
- Expect(62);
+ Expect(63);
x = t;
Expression(out e);
Expect(15);
@@ -1138,7 +1138,7 @@ List<Expression/*!*/>/*!*/ decreases) {
Contract.Ensures(Contract.ValueAtReturn(out s) != null); IToken/*!*/ x; Attributes.Argument/*!*/ arg;
List<Attributes.Argument/*!*/> args = new List<Attributes.Argument/*!*/>();
- Expect(63);
+ Expect(64);
x = t;
AttributeArg(out arg);
args.Add(arg);
@@ -1151,7 +1151,7 @@ List<Expression/*!*/>/*!*/ decreases) {
s = new PrintStmt(x, args);
}
- void AssignStmt(out Statement/*!*/ s) {
+ void AssignStmt(out Statement/*!*/ s, bool allowChoose) {
Contract.Ensures(Contract.ValueAtReturn(out s) != null); IToken/*!*/ x;
Expression/*!*/ lhs;
List<Expression> rhs;
@@ -1166,6 +1166,12 @@ List<Expression/*!*/>/*!*/ decreases) {
Contract.Assert(rhs != null);
Contract.Assert(rhs.Count == 1);
s = new AssignStmt(x, lhs, rhs[0]);
+ if (!allowChoose) {
+ var r = rhs[0] as UnaryExpr;
+ if (r != null && r.Op == UnaryExpr.Opcode.SetChoose) {
+ SemErr("choose operator not allowed as RHS in foreach assignment");
+ }
+ }
} else if (rhs == null) {
s = new AssignStmt(x, lhs, ty);
} else {
@@ -1177,7 +1183,7 @@ List<Expression/*!*/>/*!*/ decreases) {
void HavocStmt(out Statement/*!*/ s) {
Contract.Ensures(Contract.ValueAtReturn(out s) != null); IToken/*!*/ x; Expression/*!*/ lhs;
- Expect(51);
+ Expect(52);
x = t;
LhsExpr(out lhs);
Expect(15);
@@ -1190,7 +1196,7 @@ List<Expression/*!*/>/*!*/ decreases) {
List<IdentifierExpr/*!*/> lhs = new List<IdentifierExpr/*!*/>();
List<AutoVarDecl/*!*/> newVars = new List<AutoVarDecl/*!*/>();
- Expect(56);
+ Expect(57);
x = t;
CallStmtSubExpr(out e);
if (la.kind == 17 || la.kind == 47) {
@@ -1247,19 +1253,19 @@ List<Expression/*!*/>/*!*/ decreases) {
Statement els = null;
IToken bodyStart, bodyEnd;
- Expect(52);
+ Expect(53);
x = t;
Guard(out guard);
BlockStmt(out thn, out bodyStart, out bodyEnd);
- if (la.kind == 53) {
+ if (la.kind == 54) {
Get();
- if (la.kind == 52) {
+ if (la.kind == 53) {
IfStmt(out s);
els = s;
} else if (la.kind == 7) {
BlockStmt(out s, out bodyStart, out bodyEnd);
els = s;
- } else SynErr(121);
+ } else SynErr(122);
}
ifStmt = new IfStmt(x, guard, thn, els);
}
@@ -1273,18 +1279,18 @@ List<Expression/*!*/>/*!*/ decreases) {
Statement/*!*/ body;
IToken bodyStart, bodyEnd;
- Expect(54);
+ Expect(55);
x = t;
Guard(out guard);
Contract.Assume(guard == null || cce.Owner.None(guard));
- while (la.kind == 26 || la.kind == 29 || la.kind == 55) {
- if (la.kind == 26 || la.kind == 55) {
+ while (la.kind == 26 || la.kind == 29 || la.kind == 56) {
+ if (la.kind == 26 || la.kind == 56) {
isFree = false;
if (la.kind == 26) {
Get();
isFree = true;
}
- Expect(55);
+ Expect(56);
Expression(out e);
invariants.Add(new MaybeFreeExpression(e, isFree));
Expect(15);
@@ -1329,7 +1335,7 @@ List<Expression/*!*/>/*!*/ decreases) {
AssignStmt bodyAssign = null;
parseVarScope.PushMarker();
- Expect(57);
+ Expect(58);
x = t;
range = new LiteralExpr(x, true);
ty = new InferredTypeProxy();
@@ -1340,20 +1346,20 @@ List<Expression/*!*/>/*!*/ decreases) {
Get();
Type(out ty);
}
- Expect(58);
+ Expect(59);
Expression(out collection);
parseVarScope.Push(boundVar.val, boundVar.val);
- if (la.kind == 59) {
+ if (la.kind == 60) {
Get();
Expression(out range);
}
Expect(31);
Expect(7);
- while (la.kind == 60 || la.kind == 61 || la.kind == 62) {
- if (la.kind == 60) {
+ while (la.kind == 61 || la.kind == 62 || la.kind == 63) {
+ if (la.kind == 61) {
AssertStmt(out s);
if (s is PredicateStmt) { bodyPrefix.Add((PredicateStmt)s); }
- } else if (la.kind == 61) {
+ } else if (la.kind == 62) {
AssumeStmt(out s);
if (s is PredicateStmt) { bodyPrefix.Add((PredicateStmt)s); }
} else {
@@ -1362,12 +1368,12 @@ List<Expression/*!*/>/*!*/ decreases) {
}
}
if (StartOf(13)) {
- AssignStmt(out s);
+ AssignStmt(out s, false);
if (s is AssignStmt) { bodyAssign = (AssignStmt)s; }
- } else if (la.kind == 51) {
+ } else if (la.kind == 52) {
HavocStmt(out s);
if (s is AssignStmt) { bodyAssign = (AssignStmt)s; }
- } else SynErr(122);
+ } else SynErr(123);
Expect(8);
if (bodyAssign != null) {
s = new ForeachStmt(x, new BoundVar(boundVar, boundVar.val, ty), collection, range, bodyPrefix, bodyAssign);
@@ -1403,21 +1409,30 @@ List<Expression/*!*/>/*!*/ decreases) {
UserDefinedType tmp = theBuiltIns.ArrayType(ee.Count, new IntType(), true);
}
+ } else if (la.kind == 51) {
+ Get();
+ x = t;
+ Expect(30);
+ Expression(out e);
+ Expect(31);
+ e = new UnaryExpr(x, UnaryExpr.Opcode.SetChoose, e);
+ ee = new List<Expression>() { e };
+
} else if (StartOf(9)) {
Expression(out e);
- ee = new List<Expression>(); ee.Add(e);
- } else SynErr(123);
- if (ee == null && ty == null) { ee = new List<Expression>(); ee.Add(dummyExpr); }
+ ee = new List<Expression>() { e };
+ } else SynErr(124);
+ if (ee == null && ty == null) { ee = new List<Expression>() { dummyExpr}; }
}
void SelectExpression(out Expression/*!*/ e) {
Contract.Ensures(Contract.ValueAtReturn(out e) != null); e = dummyExpr;
if (la.kind == 1) {
IdentOrFuncExpression(out e);
- } else if (la.kind == 30 || la.kind == 96 || la.kind == 97) {
+ } else if (la.kind == 30 || la.kind == 97 || la.kind == 98) {
ObjectExpression(out e);
- } else SynErr(124);
- while (la.kind == 49 || la.kind == 92) {
+ } else SynErr(125);
+ while (la.kind == 49 || la.kind == 93) {
SelectOrCallSuffix(ref e);
}
}
@@ -1462,7 +1477,7 @@ List<Expression/*!*/>/*!*/ decreases) {
} else if (StartOf(9)) {
Expression(out ee);
e = ee;
- } else SynErr(125);
+ } else SynErr(126);
Expect(31);
}
@@ -1502,11 +1517,11 @@ List<Expression/*!*/>/*!*/ decreases) {
Contract.Ensures(Contract.ValueAtReturn(out e) != null); e = dummyExpr;
if (la.kind == 1) {
IdentOrFuncExpression(out e);
- } else if (la.kind == 30 || la.kind == 96 || la.kind == 97) {
+ } else if (la.kind == 30 || la.kind == 97 || la.kind == 98) {
ObjectExpression(out e);
SelectOrCallSuffix(ref e);
- } else SynErr(126);
- while (la.kind == 49 || la.kind == 92) {
+ } else SynErr(127);
+ while (la.kind == 49 || la.kind == 93) {
SelectOrCallSuffix(ref e);
}
}
@@ -1519,13 +1534,13 @@ List<Expression/*!*/>/*!*/ decreases) {
} else if (StartOf(9)) {
Expression(out e);
arg = new Attributes.Argument(e);
- } else SynErr(127);
+ } else SynErr(128);
}
void EquivExpression(out Expression/*!*/ e0) {
Contract.Ensures(Contract.ValueAtReturn(out e0) != null); IToken/*!*/ x; Expression/*!*/ e1;
ImpliesExpression(out e0);
- while (la.kind == 65 || la.kind == 66) {
+ while (la.kind == 66 || la.kind == 67) {
EquivOp();
x = t;
ImpliesExpression(out e1);
@@ -1536,7 +1551,7 @@ List<Expression/*!*/>/*!*/ decreases) {
void ImpliesExpression(out Expression/*!*/ e0) {
Contract.Ensures(Contract.ValueAtReturn(out e0) != null); IToken/*!*/ x; Expression/*!*/ e1;
LogicalExpression(out e0);
- if (la.kind == 67 || la.kind == 68) {
+ if (la.kind == 68 || la.kind == 69) {
ImpliesOp();
x = t;
ImpliesExpression(out e1);
@@ -1545,23 +1560,23 @@ List<Expression/*!*/>/*!*/ decreases) {
}
void EquivOp() {
- if (la.kind == 65) {
+ if (la.kind == 66) {
Get();
- } else if (la.kind == 66) {
+ } else if (la.kind == 67) {
Get();
- } else SynErr(128);
+ } else SynErr(129);
}
void LogicalExpression(out Expression/*!*/ e0) {
Contract.Ensures(Contract.ValueAtReturn(out e0) != null); IToken/*!*/ x; Expression/*!*/ e1;
RelationalExpression(out e0);
if (StartOf(14)) {
- if (la.kind == 69 || la.kind == 70) {
+ if (la.kind == 70 || la.kind == 71) {
AndOp();
x = t;
RelationalExpression(out e1);
e0 = new BinaryExpr(x, BinaryExpr.Opcode.And, e0, e1);
- while (la.kind == 69 || la.kind == 70) {
+ while (la.kind == 70 || la.kind == 71) {
AndOp();
x = t;
RelationalExpression(out e1);
@@ -1572,7 +1587,7 @@ List<Expression/*!*/>/*!*/ decreases) {
x = t;
RelationalExpression(out e1);
e0 = new BinaryExpr(x, BinaryExpr.Opcode.Or, e0, e1);
- while (la.kind == 71 || la.kind == 72) {
+ while (la.kind == 72 || la.kind == 73) {
OrOp();
x = t;
RelationalExpression(out e1);
@@ -1583,11 +1598,11 @@ List<Expression/*!*/>/*!*/ decreases) {
}
void ImpliesOp() {
- if (la.kind == 67) {
+ if (la.kind == 68) {
Get();
- } else if (la.kind == 68) {
+ } else if (la.kind == 69) {
Get();
- } else SynErr(129);
+ } else SynErr(130);
}
void RelationalExpression(out Expression/*!*/ e0) {
@@ -1601,25 +1616,25 @@ List<Expression/*!*/>/*!*/ decreases) {
}
void AndOp() {
- if (la.kind == 69) {
+ if (la.kind == 70) {
Get();
- } else if (la.kind == 70) {
+ } else if (la.kind == 71) {
Get();
- } else SynErr(130);
+ } else SynErr(131);
}
void OrOp() {
- if (la.kind == 71) {
+ if (la.kind == 72) {
Get();
- } else if (la.kind == 72) {
+ } else if (la.kind == 73) {
Get();
- } else SynErr(131);
+ } else SynErr(132);
}
void Term(out Expression/*!*/ e0) {
Contract.Ensures(Contract.ValueAtReturn(out e0) != null); IToken/*!*/ x; Expression/*!*/ e1; BinaryExpr.Opcode op;
Factor(out e0);
- while (la.kind == 82 || la.kind == 83) {
+ while (la.kind == 83 || la.kind == 84) {
AddOp(out x, out op);
Factor(out e1);
e0 = new BinaryExpr(x, op, e0, e1);
@@ -1629,7 +1644,7 @@ List<Expression/*!*/>/*!*/ decreases) {
void RelOp(out IToken/*!*/ x, out BinaryExpr.Opcode op) {
Contract.Ensures(Contract.ValueAtReturn(out x) != null); x = Token.NoToken; op = BinaryExpr.Opcode.Add/*(dummy)*/;
switch (la.kind) {
- case 73: {
+ case 74: {
Get();
x = t; op = BinaryExpr.Opcode.Eq;
break;
@@ -1644,59 +1659,59 @@ List<Expression/*!*/>/*!*/ decreases) {
x = t; op = BinaryExpr.Opcode.Gt;
break;
}
- case 74: {
+ case 75: {
Get();
x = t; op = BinaryExpr.Opcode.Le;
break;
}
- case 75: {
+ case 76: {
Get();
x = t; op = BinaryExpr.Opcode.Ge;
break;
}
- case 76: {
+ case 77: {
Get();
x = t; op = BinaryExpr.Opcode.Neq;
break;
}
- case 77: {
+ case 78: {
Get();
x = t; op = BinaryExpr.Opcode.Disjoint;
break;
}
- case 58: {
+ case 59: {
Get();
x = t; op = BinaryExpr.Opcode.In;
break;
}
- case 78: {
+ case 79: {
Get();
x = t; op = BinaryExpr.Opcode.NotIn;
break;
}
- case 79: {
+ case 80: {
Get();
x = t; op = BinaryExpr.Opcode.Neq;
break;
}
- case 80: {
+ case 81: {
Get();
x = t; op = BinaryExpr.Opcode.Le;
break;
}
- case 81: {
+ case 82: {
Get();
x = t; op = BinaryExpr.Opcode.Ge;
break;
}
- default: SynErr(132); break;
+ default: SynErr(133); break;
}
}
void Factor(out Expression/*!*/ e0) {
Contract.Ensures(Contract.ValueAtReturn(out e0) != null); IToken/*!*/ x; Expression/*!*/ e1; BinaryExpr.Opcode op;
UnaryExpression(out e0);
- while (la.kind == 39 || la.kind == 84 || la.kind == 85) {
+ while (la.kind == 39 || la.kind == 85 || la.kind == 86) {
MulOp(out x, out op);
UnaryExpression(out e1);
e0 = new BinaryExpr(x, op, e0, e1);
@@ -1705,23 +1720,23 @@ List<Expression/*!*/>/*!*/ decreases) {
void AddOp(out IToken/*!*/ x, out BinaryExpr.Opcode op) {
Contract.Ensures(Contract.ValueAtReturn(out x) != null); x = Token.NoToken; op=BinaryExpr.Opcode.Add/*(dummy)*/;
- if (la.kind == 82) {
+ if (la.kind == 83) {
Get();
x = t; op = BinaryExpr.Opcode.Add;
- } else if (la.kind == 83) {
+ } else if (la.kind == 84) {
Get();
x = t; op = BinaryExpr.Opcode.Sub;
- } else SynErr(133);
+ } else SynErr(134);
}
void UnaryExpression(out Expression/*!*/ e) {
Contract.Ensures(Contract.ValueAtReturn(out e) != null); IToken/*!*/ x; e = dummyExpr;
- if (la.kind == 83) {
+ if (la.kind == 84) {
Get();
x = t;
UnaryExpression(out e);
e = new BinaryExpr(x, BinaryExpr.Opcode.Sub, new LiteralExpr(x, 0), e);
- } else if (la.kind == 86 || la.kind == 87) {
+ } else if (la.kind == 87 || la.kind == 88) {
NegOp();
x = t;
UnaryExpression(out e);
@@ -1730,7 +1745,7 @@ List<Expression/*!*/>/*!*/ decreases) {
SelectExpression(out e);
} else if (StartOf(16)) {
ConstAtomExpression(out e);
- } else SynErr(134);
+ } else SynErr(135);
}
void MulOp(out IToken/*!*/ x, out BinaryExpr.Opcode op) {
@@ -1738,21 +1753,21 @@ List<Expression/*!*/>/*!*/ decreases) {
if (la.kind == 39) {
Get();
x = t; op = BinaryExpr.Opcode.Mul;
- } else if (la.kind == 84) {
+ } else if (la.kind == 85) {
Get();
x = t; op = BinaryExpr.Opcode.Div;
- } else if (la.kind == 85) {
+ } else if (la.kind == 86) {
Get();
x = t; op = BinaryExpr.Opcode.Mod;
- } else SynErr(135);
+ } else SynErr(136);
}
void NegOp() {
- if (la.kind == 86) {
+ if (la.kind == 87) {
Get();
- } else if (la.kind == 87) {
+ } else if (la.kind == 88) {
Get();
- } else SynErr(136);
+ } else SynErr(137);
}
void ConstAtomExpression(out Expression/*!*/ e) {
@@ -1760,17 +1775,17 @@ List<Expression/*!*/>/*!*/ decreases) {
e = dummyExpr;
switch (la.kind) {
- case 88: {
+ case 89: {
Get();
e = new LiteralExpr(t, false);
break;
}
- case 89: {
+ case 90: {
Get();
e = new LiteralExpr(t, true);
break;
}
- case 90: {
+ case 91: {
Get();
e = new LiteralExpr(t);
break;
@@ -1780,11 +1795,11 @@ List<Expression/*!*/>/*!*/ decreases) {
e = new LiteralExpr(t, n);
break;
}
- case 91: {
+ case 92: {
Get();
x = t;
Ident(out dtName);
- Expect(92);
+ Expect(93);
Ident(out id);
elements = new List<Expression/*!*/>();
if (la.kind == 30) {
@@ -1797,7 +1812,7 @@ List<Expression/*!*/>/*!*/ decreases) {
e = new DatatypeValue(t, dtName.val, id.val, elements);
break;
}
- case 93: {
+ case 94: {
Get();
x = t;
Expect(30);
@@ -1806,7 +1821,7 @@ List<Expression/*!*/>/*!*/ decreases) {
e = new FreshExpr(x, e);
break;
}
- case 94: {
+ case 95: {
Get();
x = t;
Expect(30);
@@ -1815,12 +1830,12 @@ List<Expression/*!*/>/*!*/ decreases) {
e = new AllocatedExpr(x, e);
break;
}
- case 59: {
+ case 60: {
Get();
x = t;
Expression(out e);
e = new UnaryExpr(x, UnaryExpr.Opcode.SeqLength, e);
- Expect(59);
+ Expect(60);
break;
}
case 7: {
@@ -1843,7 +1858,7 @@ List<Expression/*!*/>/*!*/ decreases) {
Expect(50);
break;
}
- default: SynErr(137); break;
+ default: SynErr(138); break;
}
}
@@ -1882,10 +1897,10 @@ List<Expression/*!*/>/*!*/ decreases) {
void ObjectExpression(out Expression/*!*/ e) {
Contract.Ensures(Contract.ValueAtReturn(out e) != null); IToken/*!*/ x; e = dummyExpr;
- if (la.kind == 96) {
+ if (la.kind == 97) {
Get();
e = new ThisExpr(t);
- } else if (la.kind == 97) {
+ } else if (la.kind == 98) {
Get();
x = t;
Expect(30);
@@ -1898,9 +1913,9 @@ List<Expression/*!*/>/*!*/ decreases) {
QuantifierGuts(out e);
} else if (StartOf(9)) {
Expression(out e);
- } else SynErr(138);
+ } else SynErr(139);
Expect(31);
- } else SynErr(139);
+ } else SynErr(140);
}
void SelectOrCallSuffix(ref Expression/*!*/ e) {
@@ -1909,7 +1924,7 @@ List<Expression/*!*/>/*!*/ decreases) {
List<Expression> multipleIndices = null;
bool func = false;
- if (la.kind == 92) {
+ if (la.kind == 93) {
Get();
Ident(out id);
if (la.kind == 30) {
@@ -1928,7 +1943,7 @@ List<Expression/*!*/>/*!*/ decreases) {
if (StartOf(9)) {
Expression(out ee);
e0 = ee;
- if (la.kind == 95) {
+ if (la.kind == 96) {
Get();
anyDots = true;
if (StartOf(9)) {
@@ -1950,12 +1965,12 @@ List<Expression/*!*/>/*!*/ decreases) {
multipleIndices.Add(ee);
}
- } else SynErr(140);
- } else if (la.kind == 95) {
+ } else SynErr(141);
+ } else if (la.kind == 96) {
Get();
Expression(out ee);
anyDots = true; e1 = ee;
- } else SynErr(141);
+ } else SynErr(142);
if (multipleIndices != null) {
e = new MultiSelectExpr(x, e, multipleIndices);
} else {
@@ -1977,7 +1992,7 @@ List<Expression/*!*/>/*!*/ decreases) {
}
Expect(50);
- } else SynErr(142);
+ } else SynErr(143);
}
void QuantifierGuts(out Expression/*!*/ q) {
@@ -1989,13 +2004,13 @@ List<Expression/*!*/>/*!*/ decreases) {
Triggers trigs = null;
Expression/*!*/ body;
- if (la.kind == 98 || la.kind == 99) {
+ if (la.kind == 99 || la.kind == 100) {
Forall();
x = t; univ = true;
- } else if (la.kind == 100 || la.kind == 101) {
+ } else if (la.kind == 101 || la.kind == 102) {
Exists();
x = t;
- } else SynErr(143);
+ } else SynErr(144);
parseVarScope.PushMarker();
IdentTypeOptional(out bv);
bvars.Add(bv); parseVarScope.Push(bv.Name, bv.Name);
@@ -2019,19 +2034,19 @@ List<Expression/*!*/>/*!*/ decreases) {
}
void Forall() {
- if (la.kind == 98) {
+ if (la.kind == 99) {
Get();
- } else if (la.kind == 99) {
+ } else if (la.kind == 100) {
Get();
- } else SynErr(144);
+ } else SynErr(145);
}
void Exists() {
- if (la.kind == 100) {
+ if (la.kind == 101) {
Get();
- } else if (la.kind == 101) {
+ } else if (la.kind == 102) {
Get();
- } else SynErr(145);
+ } else SynErr(146);
}
void AttributeOrTrigger(ref Attributes attrs, ref Triggers trigs) {
@@ -2044,16 +2059,16 @@ List<Expression/*!*/>/*!*/ decreases) {
es = new List<Expression/*!*/>();
Expressions(es);
trigs = new Triggers(es, trigs);
- } else SynErr(146);
+ } else SynErr(147);
Expect(8);
}
void QSep() {
- if (la.kind == 102) {
+ if (la.kind == 103) {
Get();
- } else if (la.kind == 103) {
+ } else if (la.kind == 104) {
Get();
- } else SynErr(147);
+ } else SynErr(148);
}
void AttributeBody(ref Attributes attrs) {
@@ -2080,33 +2095,33 @@ List<Expression/*!*/>/*!*/ decreases) {
public void Parse() {
la = new Token();
- la.val = "";
+ la.val = "";
Get();
Dafny();
- Expect(0);
+ Expect(0);
}
-
+
static readonly bool[,]/*!*/ set = {
- {T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,x,x,x, x,T,x,x, x,T,T,T, T,T,T,x, T,x,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,x,x,x, x,x,x,x, x,x,T,T, T,T,x,x, T,x,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, T,T,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, T,T,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,T, T,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,T, T,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,T,x,T, x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,T,T,T, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,T,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, x,x,T,T, T,T,T,T, x,T,T,x, T,T,x,x, x,x,x,x, x,x},
- {x,T,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, T,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, x,x,T,T, T,T,T,T, x,T,T,x, T,T,x,x, x,x,x,x, x,x},
- {x,T,x,x, x,x,x,T, x,x,x,T, x,x,x,x, T,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,T,x,x, T,T,T,x, x,x,x,T, T,x,T,x, T,T,x,x, T,T,T,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,T,x,x, x,x,x,x, x,x},
- {x,T,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,T,x,x, T,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, x,x,T,T, T,T,T,T, x,T,T,x, T,T,x,x, x,x,x,x, x,x},
- {x,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,T,x,x, T,T,T,x, x,x,x,T, T,x,T,x, T,T,x,x, T,T,T,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,T,x,x, x,x,x,x, x,x},
- {x,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,T,x,x, x,x,x,x, x,x},
- {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,T, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,T, T,T,T,T, T,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x},
- {x,x,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,T,T,T, x,T,T,x, x,x,x,x, x,x,x,x, x,x},
- {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,T, T,T,x,x, x,x},
- {x,T,T,x, T,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, T,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, x,x,T,T, T,T,T,T, x,T,T,x, T,T,x,x, x,x,x,x, x,x}
+ {T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,x,x,x, x,T,x,x, x,T,T,T, T,T,T,x, T,x,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,x,x,x, x,x,x,x, x,x,T,T, T,T,x,x, T,x,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, T,T,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, T,T,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,T, T,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,T, T,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,T,x,T, x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,T,T,T, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,T,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,x,x,x, x,x,x,x, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,x,x,T, T,T,T,T, T,x,T,T, x,T,T,x, x,x,x,x, x,x,x},
+ {x,T,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,T,x,x, x,x,x,x, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,x,x,T, T,T,T,T, T,x,T,T, x,T,T,x, x,x,x,x, x,x,x},
+ {x,T,x,x, x,x,x,T, x,x,x,T, x,x,x,x, T,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,T,x,x, T,T,T,x, x,x,x,x, T,T,x,T, x,T,T,x, x,T,T,T, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,x, x,x,x,x, x,x,x},
+ {x,T,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,T,x,x, x,T,x,x, x,x,x,x, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,x,x,T, T,T,T,T, T,x,T,T, x,T,T,x, x,x,x,x, x,x,x},
+ {x,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,T,x,x, T,T,T,x, x,x,x,x, T,T,x,T, x,T,T,x, x,T,T,T, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,x, x,x,x,x, x,x,x},
+ {x,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,x, x,x,x,x, x,x,x},
+ {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,T, T,T,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,T, T,T,T,T, T,T,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x},
+ {x,x,T,x, x,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,x,x,x, x,x,x,x, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,T,T, T,x,T,T, x,x,x,x, x,x,x,x, x,x,x},
+ {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,T, T,T,T,x, x,x,x},
+ {x,T,T,x, T,x,x,T, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,T,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,T,x,x, x,T,x,x, x,x,x,x, T,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x, T,x,x,T, T,T,T,T, T,x,T,T, x,T,T,x, x,x,x,x, x,x,x}
};
} // end Parser
@@ -2115,18 +2130,20 @@ List<Expression/*!*/>/*!*/ decreases) {
public class Errors {
public int count = 0; // number of errors detected
public System.IO.TextWriter/*!*/ errorStream = Console.Out; // error messages go to this stream
- public string errMsgFormat = "{0}({1},{2}): error: {3}"; // 0=filename, 1=line, 2=column, 3=text
- public string warningMsgFormat = "{0}({1},{2}): warning: {3}"; // 0=filename, 1=line, 2=column, 3=text
-
+ public string errMsgFormat = "{0}({1},{2}): error: {3}"; // 0=filename, 1=line, 2=column, 3=text
+ public string warningMsgFormat = "{0}({1},{2}): warning: {3}"; // 0=filename, 1=line, 2=column, 3=text
+
public void SynErr(string filename, int line, int col, int n) {
- SynErr(filename, line, col, GetSyntaxErrorString(n));
- }
- public virtual void SynErr(string filename, int line, int col, string msg) {
- Contract.Requires(msg != null);
+ SynErr(filename, line, col, GetSyntaxErrorString(n));
+ }
+
+ public virtual void SynErr(string filename, int line, int col, string/*!*/ msg) {
+ Contract.Requires(msg != null);
errorStream.WriteLine(errMsgFormat, filename, line, col, msg);
count++;
- }
- string GetSyntaxErrorString(int n) {
+ }
+
+ string GetSyntaxErrorString(int n) {
string s;
switch (n) {
case 0: s = "EOF expected"; break;
@@ -2180,107 +2197,108 @@ public class Errors {
case 48: s = "\"new\" expected"; break;
case 49: s = "\"[\" expected"; break;
case 50: s = "\"]\" expected"; break;
- case 51: s = "\"havoc\" expected"; break;
- case 52: s = "\"if\" expected"; break;
- case 53: s = "\"else\" expected"; break;
- case 54: s = "\"while\" expected"; break;
- case 55: s = "\"invariant\" expected"; break;
- case 56: s = "\"call\" expected"; break;
- case 57: s = "\"foreach\" expected"; break;
- case 58: s = "\"in\" expected"; break;
- case 59: s = "\"|\" expected"; break;
- case 60: s = "\"assert\" expected"; break;
- case 61: s = "\"assume\" expected"; break;
- case 62: s = "\"use\" expected"; break;
- case 63: s = "\"print\" expected"; break;
- case 64: s = "\"then\" expected"; break;
- case 65: s = "\"<==>\" expected"; break;
- case 66: s = "\"\\u21d4\" expected"; break;
- case 67: s = "\"==>\" expected"; break;
- case 68: s = "\"\\u21d2\" expected"; break;
- case 69: s = "\"&&\" expected"; break;
- case 70: s = "\"\\u2227\" expected"; break;
- case 71: s = "\"||\" expected"; break;
- case 72: s = "\"\\u2228\" expected"; break;
- case 73: s = "\"==\" expected"; break;
- case 74: s = "\"<=\" expected"; break;
- case 75: s = "\">=\" expected"; break;
- case 76: s = "\"!=\" expected"; break;
- case 77: s = "\"!!\" expected"; break;
- case 78: s = "\"!in\" expected"; break;
- case 79: s = "\"\\u2260\" expected"; break;
- case 80: s = "\"\\u2264\" expected"; break;
- case 81: s = "\"\\u2265\" expected"; break;
- case 82: s = "\"+\" expected"; break;
- case 83: s = "\"-\" expected"; break;
- case 84: s = "\"/\" expected"; break;
- case 85: s = "\"%\" expected"; break;
- case 86: s = "\"!\" expected"; break;
- case 87: s = "\"\\u00ac\" expected"; break;
- case 88: s = "\"false\" expected"; break;
- case 89: s = "\"true\" expected"; break;
- case 90: s = "\"null\" expected"; break;
- case 91: s = "\"#\" expected"; break;
- case 92: s = "\".\" expected"; break;
- case 93: s = "\"fresh\" expected"; break;
- case 94: s = "\"allocated\" expected"; break;
- case 95: s = "\"..\" expected"; break;
- case 96: s = "\"this\" expected"; break;
- case 97: s = "\"old\" expected"; break;
- case 98: s = "\"forall\" expected"; break;
- case 99: s = "\"\\u2200\" expected"; break;
- case 100: s = "\"exists\" expected"; break;
- case 101: s = "\"\\u2203\" expected"; break;
- case 102: s = "\"::\" expected"; break;
- case 103: s = "\"\\u2022\" expected"; break;
- case 104: s = "??? expected"; break;
- case 105: s = "invalid ClassMemberDecl"; break;
- case 106: s = "invalid FunctionDecl"; break;
- case 107: s = "invalid MethodDecl"; break;
+ case 51: s = "\"choose\" expected"; break;
+ case 52: s = "\"havoc\" expected"; break;
+ case 53: s = "\"if\" expected"; break;
+ case 54: s = "\"else\" expected"; break;
+ case 55: s = "\"while\" expected"; break;
+ case 56: s = "\"invariant\" expected"; break;
+ case 57: s = "\"call\" expected"; break;
+ case 58: s = "\"foreach\" expected"; break;
+ case 59: s = "\"in\" expected"; break;
+ case 60: s = "\"|\" expected"; break;
+ case 61: s = "\"assert\" expected"; break;
+ case 62: s = "\"assume\" expected"; break;
+ case 63: s = "\"use\" expected"; break;
+ case 64: s = "\"print\" expected"; break;
+ case 65: s = "\"then\" expected"; break;
+ case 66: s = "\"<==>\" expected"; break;
+ case 67: s = "\"\\u21d4\" expected"; break;
+ case 68: s = "\"==>\" expected"; break;
+ case 69: s = "\"\\u21d2\" expected"; break;
+ case 70: s = "\"&&\" expected"; break;
+ case 71: s = "\"\\u2227\" expected"; break;
+ case 72: s = "\"||\" expected"; break;
+ case 73: s = "\"\\u2228\" expected"; break;
+ case 74: s = "\"==\" expected"; break;
+ case 75: s = "\"<=\" expected"; break;
+ case 76: s = "\">=\" expected"; break;
+ case 77: s = "\"!=\" expected"; break;
+ case 78: s = "\"!!\" expected"; break;
+ case 79: s = "\"!in\" expected"; break;
+ case 80: s = "\"\\u2260\" expected"; break;
+ case 81: s = "\"\\u2264\" expected"; break;
+ case 82: s = "\"\\u2265\" expected"; break;
+ case 83: s = "\"+\" expected"; break;
+ case 84: s = "\"-\" expected"; break;
+ case 85: s = "\"/\" expected"; break;
+ case 86: s = "\"%\" expected"; break;
+ case 87: s = "\"!\" expected"; break;
+ case 88: s = "\"\\u00ac\" expected"; break;
+ case 89: s = "\"false\" expected"; break;
+ case 90: s = "\"true\" expected"; break;
+ case 91: s = "\"null\" expected"; break;
+ case 92: s = "\"#\" expected"; break;
+ case 93: s = "\".\" expected"; break;
+ case 94: s = "\"fresh\" expected"; break;
+ case 95: s = "\"allocated\" expected"; break;
+ case 96: s = "\"..\" expected"; break;
+ case 97: s = "\"this\" expected"; break;
+ case 98: s = "\"old\" expected"; break;
+ case 99: s = "\"forall\" expected"; break;
+ case 100: s = "\"\\u2200\" expected"; break;
+ case 101: s = "\"exists\" expected"; break;
+ case 102: s = "\"\\u2203\" expected"; break;
+ case 103: s = "\"::\" expected"; break;
+ case 104: s = "\"\\u2022\" expected"; break;
+ case 105: s = "??? expected"; break;
+ case 106: s = "invalid ClassMemberDecl"; break;
+ case 107: s = "invalid FunctionDecl"; break;
case 108: s = "invalid MethodDecl"; break;
- case 109: s = "invalid Expression"; break;
- case 110: s = "invalid TypeAndToken"; break;
- case 111: s = "invalid MethodSpec"; break;
+ case 109: s = "invalid MethodDecl"; break;
+ case 110: s = "invalid Expression"; break;
+ case 111: s = "invalid TypeAndToken"; break;
case 112: s = "invalid MethodSpec"; break;
- case 113: s = "invalid ReferenceType"; break;
- case 114: s = "invalid FunctionSpec"; break;
- case 115: s = "invalid FunctionBody"; break;
- case 116: s = "invalid PossiblyWildFrameExpression"; break;
- case 117: s = "invalid PossiblyWildExpression"; break;
- case 118: s = "invalid MatchOrExpr"; break;
- case 119: s = "invalid Stmt"; break;
- case 120: s = "invalid OneStmt"; break;
- case 121: s = "invalid IfStmt"; break;
- case 122: s = "invalid ForeachStmt"; break;
- case 123: s = "invalid AssignRhs"; break;
- case 124: s = "invalid SelectExpression"; break;
- case 125: s = "invalid Guard"; break;
- case 126: s = "invalid CallStmtSubExpr"; break;
- case 127: s = "invalid AttributeArg"; break;
- case 128: s = "invalid EquivOp"; break;
- case 129: s = "invalid ImpliesOp"; break;
- case 130: s = "invalid AndOp"; break;
- case 131: s = "invalid OrOp"; break;
- case 132: s = "invalid RelOp"; break;
- case 133: s = "invalid AddOp"; break;
- case 134: s = "invalid UnaryExpression"; break;
- case 135: s = "invalid MulOp"; break;
- case 136: s = "invalid NegOp"; break;
- case 137: s = "invalid ConstAtomExpression"; break;
- case 138: s = "invalid ObjectExpression"; break;
+ case 113: s = "invalid MethodSpec"; break;
+ case 114: s = "invalid ReferenceType"; break;
+ case 115: s = "invalid FunctionSpec"; break;
+ case 116: s = "invalid FunctionBody"; break;
+ case 117: s = "invalid PossiblyWildFrameExpression"; break;
+ case 118: s = "invalid PossiblyWildExpression"; break;
+ case 119: s = "invalid MatchOrExpr"; break;
+ case 120: s = "invalid Stmt"; break;
+ case 121: s = "invalid OneStmt"; break;
+ case 122: s = "invalid IfStmt"; break;
+ case 123: s = "invalid ForeachStmt"; break;
+ case 124: s = "invalid AssignRhs"; break;
+ case 125: s = "invalid SelectExpression"; break;
+ case 126: s = "invalid Guard"; break;
+ case 127: s = "invalid CallStmtSubExpr"; break;
+ case 128: s = "invalid AttributeArg"; break;
+ case 129: s = "invalid EquivOp"; break;
+ case 130: s = "invalid ImpliesOp"; break;
+ case 131: s = "invalid AndOp"; break;
+ case 132: s = "invalid OrOp"; break;
+ case 133: s = "invalid RelOp"; break;
+ case 134: s = "invalid AddOp"; break;
+ case 135: s = "invalid UnaryExpression"; break;
+ case 136: s = "invalid MulOp"; break;
+ case 137: s = "invalid NegOp"; break;
+ case 138: s = "invalid ConstAtomExpression"; break;
case 139: s = "invalid ObjectExpression"; break;
- case 140: s = "invalid SelectOrCallSuffix"; break;
+ case 140: s = "invalid ObjectExpression"; break;
case 141: s = "invalid SelectOrCallSuffix"; break;
case 142: s = "invalid SelectOrCallSuffix"; break;
- case 143: s = "invalid QuantifierGuts"; break;
- case 144: s = "invalid Forall"; break;
- case 145: s = "invalid Exists"; break;
- case 146: s = "invalid AttributeOrTrigger"; break;
- case 147: s = "invalid QSep"; break;
+ case 143: s = "invalid SelectOrCallSuffix"; break;
+ case 144: s = "invalid QuantifierGuts"; break;
+ case 145: s = "invalid Forall"; break;
+ case 146: s = "invalid Exists"; break;
+ case 147: s = "invalid AttributeOrTrigger"; break;
+ case 148: s = "invalid QSep"; break;
default: s = "error " + n; break;
}
- return s;
+ return s;
}
public void SemErr(IToken/*!*/ tok, string/*!*/ msg) { // semantic errors
@@ -2288,8 +2306,9 @@ public class Errors {
Contract.Requires(msg != null);
SemErr(tok.filename, tok.line, tok.col, msg);
}
+
public virtual void SemErr(string filename, int line, int col, string/*!*/ msg) {
- Contract.Requires(msg != null);
+ Contract.Requires(msg != null);
errorStream.WriteLine(errMsgFormat, filename, line, col, msg);
count++;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-02 01:12:49 +0000