mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-25 22:02:28 +01:00
Jon Meow
6ae9cc3cf8
This creates a ReturnExpression. A separate change should enforce that an implicit return of `()` is only allowed in functions that have an implicit return type of `()`, and I think the structure taken here should ease that.
54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#ifndef EXECUTABLE_SEMANTICS_AST_FUNCTION_DEFINITION_H_
|
|
#define EXECUTABLE_SEMANTICS_AST_FUNCTION_DEFINITION_H_
|
|
|
|
#include "common/ostream.h"
|
|
#include "executable_semantics/ast/expression.h"
|
|
#include "executable_semantics/ast/pattern.h"
|
|
#include "executable_semantics/ast/statement.h"
|
|
#include "llvm/Support/Compiler.h"
|
|
|
|
namespace Carbon {
|
|
|
|
// TODO: expand the kinds of things that can be deduced parameters.
|
|
// For now, only generic parameters are supported.
|
|
struct GenericBinding {
|
|
std::string name;
|
|
const Expression* type;
|
|
};
|
|
|
|
struct FunctionDefinition {
|
|
FunctionDefinition() = default;
|
|
FunctionDefinition(int line_num, std::string name,
|
|
std::vector<GenericBinding> deduced_params,
|
|
const TuplePattern* param_pattern,
|
|
const Pattern* return_type, bool is_omitted_return_type,
|
|
const Statement* body)
|
|
: line_num(line_num),
|
|
name(std::move(name)),
|
|
deduced_parameters(deduced_params),
|
|
param_pattern(param_pattern),
|
|
return_type(return_type),
|
|
is_omitted_return_type(is_omitted_return_type),
|
|
body(body) {}
|
|
|
|
void Print(llvm::raw_ostream& out) const { PrintDepth(-1, out); }
|
|
void PrintDepth(int depth, llvm::raw_ostream& out) const;
|
|
LLVM_DUMP_METHOD void Dump() const { Print(llvm::errs()); }
|
|
|
|
int line_num;
|
|
std::string name;
|
|
std::vector<GenericBinding> deduced_parameters;
|
|
const TuplePattern* param_pattern;
|
|
const Pattern* return_type;
|
|
bool is_omitted_return_type;
|
|
const Statement* body;
|
|
};
|
|
|
|
} // namespace Carbon
|
|
|
|
#endif // EXECUTABLE_SEMANTICS_AST_FUNCTION_DEFINITION_H_
|