197 lines
6.5 KiB
C++
197 lines
6.5 KiB
C++
/* -*- C++ -*-
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* Serene Programming Language
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*
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* Copyright (c) 2019-2022 Sameer Rahmani <lxsameer@gnu.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "serene/errors.h"
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#include "serene/exprs/expression.h"
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#include "serene/exprs/list.h"
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#include "serene/exprs/symbol.h"
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#include "serene/namespace.h"
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#include "serene/reader/reader.h"
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#include "serene/semantics.h"
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#include "../test_helpers.cpp.inc"
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#include <llvm/Support/Error.h>
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namespace serene {
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namespace exprs {
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TEST_CASE("List Expression", "[expression]") {
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std::unique_ptr<reader::LocationRange> range(dummyLocation());
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Node sym = make<Symbol>(*range, "example", "user");
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Node sym1 = make<Symbol>(*range, "example1", "user");
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Node list = make<List>(*range);
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REQUIRE(list->getType() == ExprType::List);
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CHECK(list->toString() == "<List ->");
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Node list2 = make<List>(*range, list);
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CHECK(list2->toString() == "<List <List ->>");
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Ast elements;
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elements.push_back(list);
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elements.push_back(list2);
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elements.push_back(sym);
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auto list3 = make<List>(*range, elements);
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CHECK(list3->toString() ==
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"<List <List -> <List <List ->> <Symbol user/example>>");
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auto l = llvm::dyn_cast<List>(list.get());
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l->append(sym1);
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REQUIRE(list->getType() == ExprType::List);
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CHECK(list->toString() == "<List <Symbol user/example1>>");
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l->append(sym);
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REQUIRE(l->count() == 2);
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auto expr = l->at(1);
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REQUIRE(expr.hasValue());
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CHECK(expr.getValue()->toString() == "<Symbol user/example>");
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expr = l->at(2);
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REQUIRE_FALSE(expr.hasValue());
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for (auto x : *l) {
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CHECK(x->getType() == ExprType::Symbol);
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}
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};
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TEST_CASE("List semantic analysis of 'def'", "[semantic,expression,list]") {
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auto ctx = makeSereneContext();
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auto ns = ctx->makeNamespace("user", llvm::None);
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auto ast = llvm::cantFail(READ("(def (a) b)"));
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SemanticEnv env;
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semantics::AnalysisState state(*ns, env);
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auto afterAst = semantics::analyze(state, ast);
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REQUIRE_FALSE(afterAst);
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{
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auto err = afterAst.takeError();
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CHECK(err.isA<llvm::ErrorList>());
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}
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ast = llvm::cantFail(READ("(def a)"));
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afterAst = semantics::analyze(state, ast);
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REQUIRE_FALSE(afterAst);
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CHECK(errors::getMessage(afterAst.takeError()) == "Expected 3 got 2");
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ast = llvm::cantFail(READ("(def a b c)"));
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afterAst = semantics::analyze(state, ast);
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REQUIRE_FALSE(afterAst);
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CHECK(errors::getMessage(afterAst.takeError()) == "Expected 3 got 4");
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ast = llvm::cantFail(READ("(def a b)"));
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afterAst = semantics::analyze(state, ast);
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REQUIRE(afterAst);
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CHECK(astToString(&(*afterAst)) == "<Def a -> <Symbol b>>");
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ast = llvm::cantFail(READ("(def a (fn () a))"));
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afterAst = semantics::analyze(state, ast);
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REQUIRE(afterAst);
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CHECK(astToString(&(*afterAst)) ==
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"<Def a -> <Fn a <List -> to <Symbol a>>>");
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}
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// TEST_CASE("List semantic analysis for 'fn'", "[semantic]") {
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// auto ctx = makeSereneContext();
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// auto ns = ctx->makeNamespace("user", llvm::None);
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// auto ast = READ("(fn)");
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// auto afterAst = semantics::analyze(*ctx, *ast);
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// REQUIRE_FALSE(afterAst);
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// REQUIRE(afterAst.takeError().size() == 1);
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// CHECK(afterAst.getError()[0]->toString() ==
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// "<Error E3: The argument list is mandatory.>");
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// ast = reader::read("(fn ())");
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// afterAst = semantics::analyze(*ctx, ast.getValue());
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// REQUIRE(afterAst);
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// CHECK(astToString(&afterAst.getValue()) == "<Fn ___fn___0 <List -> to
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// <>>");
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// ast = reader::read("(fn (a b c) a a a)");
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// afterAst = semantics::analyze(*ctx, ast.getValue());
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// REQUIRE(afterAst);
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// CHECK(astToString(&afterAst.getValue()) ==
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// "<Fn ___fn___1 <List <Symbol a> <Symbol b> <Symbol c>> to <Symbol a>
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// "
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// "<Symbol a> <Symbol a>>");
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// ast = reader::read("(fn () a b)");
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// afterAst = semantics::analyze(*ctx, ast.getValue());
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// REQUIRE(afterAst);
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// CHECK(astToString(&afterAst.getValue()) ==
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// "<Fn ___fn___2 <List -> to <Symbol a> <Symbol b>>");
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// ast = reader::read("(fn (x) (fn (y) x) z)");
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// afterAst = semantics::analyze(*ctx, ast.getValue());
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// REQUIRE(afterAst);
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// CHECK(astToString(&afterAst.getValue()) ==
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// "<Fn ___fn___4 <List <Symbol x>> to <Fn ___fn___3 <List <Symbol y>>
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// " "to <Symbol x>> <Symbol z>>");
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// ast = reader::read("(fn (x) (def a b) (def b c))");
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// afterAst = semantics::analyze(*ctx, ast.getValue());
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// REQUIRE(afterAst);
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// CHECK(astToString(&afterAst.getValue()) ==
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// "<Fn ___fn___5 <List <Symbol x>> to <Def a -> <Symbol b>> <Def b ->
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// "
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// "<Symbol c>>>");
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// }
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// TEST_CASE("Complex semantic analysis", "[semantic]") {
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// auto ctx = makeSereneContext();
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// auto ns = makeNamespace(*ctx, "user", llvm::None);
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// auto ast =
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// reader::read("(def a (fn (x) x))\n((def b (fn (x) (fn (y) y))))\n\n");
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// auto afterAst = semantics::analyze(*ctx, ast.getValue());
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// REQUIRE(afterAst);
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// CHECK(astToString(&afterAst.getValue()) ==
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// "<Def a -> <Fn a <List <Symbol x>> to <Symbol x>>> <Call <Def b -> "
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// "<Fn b <List <Symbol x>> to <Fn ___fn___1 <List <Symbol y>> to "
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// "<Symbol y>>>> >");
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// ctx = makeSereneContext();
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// ns = makeNamespace(*ctx, "user", llvm::None);
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// ast = reader::read("((a b))");
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// afterAst = semantics::analyze(*ctx, ast.getValue());
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// REQUIRE_FALSE(afterAst);
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// auto errs = afterAst.getError();
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// CHECK(errs[0]->toString() == "<Error E5: Can't resolve the symbol 'a'>");
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// ctx = makeSereneContext();
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// ns = makeNamespace(*ctx, "user", llvm::None);
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// ast = reader::read("(def a (fn (x) x)) (a b)");
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// afterAst = semantics::analyze(*ctx, ast.getValue());
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// REQUIRE(afterAst);
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// CHECK(astToString(&afterAst.getValue()) ==
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// "<Def a -> <Fn a <List <Symbol x>> to <Symbol x>>> <Call <Fn a <List
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// "
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// "<Symbol x>> to <Symbol x>> <Symbol b>>");
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// }
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} // namespace exprs
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} // namespace serene
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