Create the boilerplate of the call expression

include/serene/context.h

@@ -25,10 +25,22 @@
 #ifndef SERENE_CONTEXT_H
 #define SERENE_CONTEXT_H
 
+#include "serene/environment.h"
+#include "llvm/ADT/StringRef.h"
+
 namespace serene {
 
-class SereneContext {
-public:
+class Namespace;
+
+namespace exprs {
+class Expression;
+using node = std::shared_ptr<Expression>;
+} // namespace exprs
+
+struct SereneContext {
+  // llvm::DenseMap<llvm::StringRef, Namespace> namespaces;
+
+  Environment<llvm::StringRef, exprs::node> semanticEnv;
   SereneContext(){};
 };
 

include/serene/exprs/call.h

@@ -0,0 +1,74 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EXPRS_CALL_H
+#define EXPRS_CALL_H
+
+#include "serene/context.h"
+#include "serene/errors/error.h"
+#include "serene/exprs/expression.h"
+#include "serene/exprs/list.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Error.h"
+#include <memory>
+#include <string>
+
+namespace serene {
+
+namespace exprs {
+class List;
+
+/// This data structure represents a function. with a collection of
+/// arguments and the ast of a body
+class Call : public Expression {
+
+public:
+  node target;
+  ast params;
+
+  Call(reader::LocationRange &loc, ast params)
+      : Expression(loc), params(params){};
+
+  ExprType getType() const;
+  std::string toString() const;
+  maybe_node analyze(SereneContext &);
+
+  static bool classof(const Expression *e);
+
+  /// Creates a call node out of a list.
+  /// For exmaple: `(somefn (param1 param2) param3)`. This function
+  /// is supposed to be used in the semantic analysis phase.
+  ///
+  /// \param ctx The semantic analysis context object.
+  /// \param list the list in question.
+
+  static maybe_node make(SereneContext &ctx, List *list);
+
+  ~Call() = default;
+};
+
+} // namespace exprs
+} // namespace serene
+
+#endif

include/serene/namespace.h

@@ -1,7 +1,7 @@
-/**
+/* -*- C++ -*-
  * Serene programming language.
  *
- *  Copyright (c) 2020 Sameer Rahmani <lxsameer@gnu.org>
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/serene/exprs/call.cpp

@@ -0,0 +1,81 @@
+/*
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "serene/exprs/call.h"
+#include "serene/errors/error.h"
+#include "serene/exprs/expression.h"
+#include "serene/exprs/list.h"
+#include "serene/exprs/symbol.h"
+#include "serene/reader/semantics.h"
+#include "llvm/Support/FormatVariadic.h"
+
+namespace serene {
+namespace exprs {
+
+ExprType Call::getType() const { return ExprType::Call; };
+
+std::string Call::toString() const {
+  return llvm::formatv("<Call {0} {1}>", this->target->toString(),
+                       astToString(&this->params));
+}
+
+maybe_node Call::analyze(SereneContext &ctx) {
+  return Result<node>::success(nullptr);
+};
+
+bool Call::classof(const Expression *e) {
+  return e->getType() == ExprType::Call;
+};
+
+maybe_node Call::make(SereneContext &ctx, List *list) {
+  assert((list->count() == 0) && "Empty call? Seriously ?");
+
+  auto maybeFirst = list->elements[0]->analyze(ctx);
+  node first;
+
+  if (!maybeFirst) {
+    return Result<node>::error(std::move(maybeFirst.getError()));
+  }
+
+  switch (first->getType()) {
+  case ExprType::Symbol: {
+
+    break;
+  }
+
+  case ExprType::Fn: {
+    break;
+  }
+  case ExprType::List: {
+    break;
+  }
+  default: {
+    break;
+  }
+  };
+
+  return Result<node>::success(nullptr);
+};
+} // namespace exprs
+} // namespace serene