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Expr refs instead of pointers

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This commit is contained in:
Ben Burdette 2022-02-15 15:46:45 -07:00
parent c9bc3735f6
commit 3d94d3ba91
1 changed files with 38 additions and 38 deletions
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76
src/libexpr/eval.cc
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@ -799,15 +799,15 @@ void EvalState::debug_throw(Error e) {
throw e; throw e;
} }
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, Env & env, Expr *expr)) LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, Env & env, Expr &expr))
{ {
auto error = EvalError({ auto error = EvalError({
.msg = hintfmt(s), .msg = hintfmt(s),
.errPos = pos .errPos = pos
}); });
if (debuggerHook && expr) if (debuggerHook)
debuggerHook(&error, env, *expr); debuggerHook(&error, env, expr);
throw error; throw error;
} }
@ -827,15 +827,15 @@ LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const
throw error; throw error;
} }
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const string & s2, Env & env, Expr *expr)) LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const string & s2, Env & env, Expr &expr))
{ {
auto error = EvalError({ auto error = EvalError({
.msg = hintfmt(s, s2), .msg = hintfmt(s, s2),
.errPos = pos .errPos = pos
}); });
if (debuggerHook && expr) if (debuggerHook)
debuggerHook(&error, env, *expr); debuggerHook(&error, env, expr);
throw error; throw error;
} }
@ -870,7 +870,7 @@ LocalNoInlineNoReturn(void throwEvalError(const char * s, const string & s2, con
throw error; throw error;
} }
LocalNoInlineNoReturn(void throwEvalError(const Pos & p1, const char * s, const Symbol & sym, const Pos & p2, Env & env, Expr *expr)) LocalNoInlineNoReturn(void throwEvalError(const Pos & p1, const char * s, const Symbol & sym, const Pos & p2, Env & env, Expr &expr))
{ {
// p1 is where the error occurred; p2 is a position mentioned in the message. // p1 is where the error occurred; p2 is a position mentioned in the message.
auto error = EvalError({ auto error = EvalError({
@ -878,8 +878,8 @@ LocalNoInlineNoReturn(void throwEvalError(const Pos & p1, const char * s, const
.errPos = p1 .errPos = p1
}); });
if (debuggerHook && expr) if (debuggerHook)
debuggerHook(&error, env, *expr); debuggerHook(&error, env, expr);
throw error; throw error;
} }
@ -900,68 +900,67 @@ LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, EvalS
} }
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const Value & v, Env & env, Expr *expr)) LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const Value & v, Env & env, Expr &expr))
{ {
auto error = TypeError({ auto error = TypeError({
.msg = hintfmt(s, v), .msg = hintfmt(s, v),
.errPos = pos .errPos = pos
}); });
if (debuggerHook && expr) if (debuggerHook)
debuggerHook(&error, env, *expr); debuggerHook(&error, env, expr);
throw error; throw error;
} }
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const ExprLambda & fun, const Symbol & s2, Env & env, Expr *expr)) LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const ExprLambda & fun, const Symbol & s2, Env & env, Expr &expr))
{ {
auto error = TypeError({ auto error = TypeError({
.msg = hintfmt(s, fun.showNamePos(), s2), .msg = hintfmt(s, fun.showNamePos(), s2),
.errPos = pos .errPos = pos
}); });
if (debuggerHook && expr) if (debuggerHook)
debuggerHook(&error, env, *expr); debuggerHook(&error, env, expr);
throw error; throw error;
} }
LocalNoInlineNoReturn(void throwAssertionError(const Pos & pos, const char * s, const string & s1, Env & env, Expr *expr)) LocalNoInlineNoReturn(void throwAssertionError(const Pos & pos, const char * s, const string & s1, Env & env, Expr &expr))
{ {
auto error = AssertionError({ auto error = AssertionError({
.msg = hintfmt(s, s1), .msg = hintfmt(s, s1),
.errPos = pos .errPos = pos
}); });
if (debuggerHook && expr) if (debuggerHook)
debuggerHook(&error, env, *expr); debuggerHook(&error, env, expr);
throw error; throw error;
} }
LocalNoInlineNoReturn(void throwUndefinedVarError(const Pos & pos, const char * s, const string & s1, Env & env, Expr *expr)) LocalNoInlineNoReturn(void throwUndefinedVarError(const Pos & pos, const char * s, const string & s1, Env & env, Expr &expr))
{ {
auto error = UndefinedVarError({ auto error = UndefinedVarError({
.msg = hintfmt(s, s1), .msg = hintfmt(s, s1),
.errPos = pos .errPos = pos
}); });
if (debuggerHook && expr) { if (debuggerHook)
debuggerHook(&error, env, *expr); debuggerHook(&error, env, expr);
}
throw error; throw error;
} }
LocalNoInlineNoReturn(void throwMissingArgumentError(const Pos & pos, const char * s, const string & s1, Env & env, Expr *expr)) LocalNoInlineNoReturn(void throwMissingArgumentError(const Pos & pos, const char * s, const string & s1, Env & env, Expr &expr))
{ {
auto error = MissingArgumentError({ auto error = MissingArgumentError({
.msg = hintfmt(s, s1), .msg = hintfmt(s, s1),
.errPos = pos .errPos = pos
}); });
if (debuggerHook && expr) if (debuggerHook)
debuggerHook(&error, env, *expr); debuggerHook(&error, env, expr);
throw error; throw error;
} }
@ -1055,7 +1054,8 @@ inline Value * EvalState::lookupVar(Env * env, const ExprVar & var, bool noEval)
return j->value; return j->value;
} }
if (!env->prevWith) { if (!env->prevWith) {
throwUndefinedVarError(var.pos, "undefined variable '%1%'", var.name, *env, (Expr*)&var); // TODO deal with const_cast
throwUndefinedVarError(var.pos, "undefined variable '%1%'", var.name, *env, *const_cast<ExprVar*>(&var));
} }
for (size_t l = env->prevWith; l; --l, env = env->up) ; for (size_t l = env->prevWith; l; --l, env = env->up) ;
} }
@ -1276,7 +1276,7 @@ inline bool EvalState::evalBool(Env & env, Expr * e)
Value v; Value v;
e->eval(*this, env, v); e->eval(*this, env, v);
if (v.type() != nBool) if (v.type() != nBool)
throwTypeError(noPos, "value is %1% while a Boolean was expected", v, env, e); throwTypeError(noPos, "value is %1% while a Boolean was expected", v, env, *e);
return v.boolean; return v.boolean;
} }
@ -1286,7 +1286,7 @@ inline bool EvalState::evalBool(Env & env, Expr * e, const Pos & pos)
Value v; Value v;
e->eval(*this, env, v); e->eval(*this, env, v);
if (v.type() != nBool) if (v.type() != nBool)
throwTypeError(pos, "value is %1% while a Boolean was expected", v, env, e); throwTypeError(pos, "value is %1% while a Boolean was expected", v, env, *e);
return v.boolean; return v.boolean;
} }
@ -1295,7 +1295,7 @@ inline void EvalState::evalAttrs(Env & env, Expr * e, Value & v)
{ {
e->eval(*this, env, v); e->eval(*this, env, v);
if (v.type() != nAttrs) if (v.type() != nAttrs)
throwTypeError(noPos, "value is %1% while a set was expected", v, env, e); throwTypeError(noPos, "value is %1% while a set was expected", v, env, *e);
} }
@ -1400,7 +1400,7 @@ void ExprAttrs::eval(EvalState & state, Env & env, Value & v)
Symbol nameSym = state.symbols.create(nameVal.string.s); Symbol nameSym = state.symbols.create(nameVal.string.s);
Bindings::iterator j = v.attrs->find(nameSym); Bindings::iterator j = v.attrs->find(nameSym);
if (j != v.attrs->end()) if (j != v.attrs->end())
throwEvalError(i.pos, "dynamic attribute '%1%' already defined at %2%", nameSym, *j->pos, env, this); throwEvalError(i.pos, "dynamic attribute '%1%' already defined at %2%", nameSym, *j->pos, env, *this);
i.valueExpr->setName(nameSym); i.valueExpr->setName(nameSym);
/* Keep sorted order so find can catch duplicates */ /* Keep sorted order so find can catch duplicates */
@ -1498,7 +1498,7 @@ void ExprSelect::eval(EvalState & state, Env & env, Value & v)
} else { } else {
state.forceAttrs(*vAttrs, pos); state.forceAttrs(*vAttrs, pos);
if ((j = vAttrs->attrs->find(name)) == vAttrs->attrs->end()) if ((j = vAttrs->attrs->find(name)) == vAttrs->attrs->end())
throwEvalError(pos, "attribute '%1%' missing", name, env, this); throwEvalError(pos, "attribute '%1%' missing", name, env, *this);
} }
vAttrs = j->value; vAttrs = j->value;
pos2 = j->pos; pos2 = j->pos;
@ -1599,7 +1599,7 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
auto j = args[0]->attrs->get(i.name); auto j = args[0]->attrs->get(i.name);
if (!j) { if (!j) {
if (!i.def) throwTypeError(pos, "%1% called without required argument '%2%'", if (!i.def) throwTypeError(pos, "%1% called without required argument '%2%'",
lambda, i.name, *fun.lambda.env, &lambda); lambda, i.name, *fun.lambda.env, lambda);
env2.values[displ++] = i.def->maybeThunk(*this, env2); env2.values[displ++] = i.def->maybeThunk(*this, env2);
} else { } else {
attrsUsed++; attrsUsed++;
@ -1615,7 +1615,7 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
for (auto & i : *args[0]->attrs) for (auto & i : *args[0]->attrs)
if (!lambda.formals->has(i.name)) if (!lambda.formals->has(i.name))
throwTypeError(pos, "%1% called with unexpected argument '%2%'", throwTypeError(pos, "%1% called with unexpected argument '%2%'",
lambda, i.name, *fun.lambda.env, &lambda); lambda, i.name, *fun.lambda.env, lambda);
abort(); // can't happen abort(); // can't happen
} }
} }
@ -1790,7 +1790,7 @@ this case it must have its arguments supplied either by default
values, or passed explicitly with '--arg' or '--argstr'. See values, or passed explicitly with '--arg' or '--argstr'. See
https://nixos.org/manual/nix/stable/#ss-functions.)", https://nixos.org/manual/nix/stable/#ss-functions.)",
i.name, i.name,
*fun.lambda.env, fun.lambda.fun); *fun.lambda.env, *fun.lambda.fun);
} }
} }
} }
@ -1822,7 +1822,7 @@ void ExprAssert::eval(EvalState & state, Env & env, Value & v)
if (!state.evalBool(env, cond, pos)) { if (!state.evalBool(env, cond, pos)) {
std::ostringstream out; std::ostringstream out;
cond->show(out); cond->show(out);
throwAssertionError(pos, "assertion '%1%' failed", out.str(), env, this); throwAssertionError(pos, "assertion '%1%' failed", out.str(), env, *this);
} }
body->eval(state, env, v); body->eval(state, env, v);
} }
@ -1999,7 +1999,7 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
nf = n; nf = n;
nf += vTmp.fpoint; nf += vTmp.fpoint;
} else { } else {
throwEvalError(i_pos, "cannot add %1% to an integer", showType(vTmp), env, this); throwEvalError(i_pos, "cannot add %1% to an integer", showType(vTmp), env, *this);
} }
} else if (firstType == nFloat) { } else if (firstType == nFloat) {
if (vTmp.type() == nInt) { if (vTmp.type() == nInt) {
@ -2007,7 +2007,7 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
} else if (vTmp.type() == nFloat) { } else if (vTmp.type() == nFloat) {
nf += vTmp.fpoint; nf += vTmp.fpoint;
} else } else
throwEvalError(i_pos, "cannot add %1% to a float", showType(vTmp), env, this); throwEvalError(i_pos, "cannot add %1% to a float", showType(vTmp), env, *this);
} else { } else {
if (s.empty()) s.reserve(es->size()); if (s.empty()) s.reserve(es->size());
/* skip canonization of first path, which would only be not /* skip canonization of first path, which would only be not
@ -2027,7 +2027,7 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
v.mkFloat(nf); v.mkFloat(nf);
else if (firstType == nPath) { else if (firstType == nPath) {
if (!context.empty()) if (!context.empty())
throwEvalError(pos, "a string that refers to a store path cannot be appended to a path", env, this); throwEvalError(pos, "a string that refers to a store path cannot be appended to a path", env, *this);
v.mkPath(canonPath(str())); v.mkPath(canonPath(str()));
} else } else
v.mkStringMove(c_str(), context); v.mkStringMove(c_str(), context);