91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
//===-- lib/Parser/user-state.cpp -----------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "flang/Parser/user-state.h"
|
|
#include "stmt-parser.h"
|
|
#include "type-parsers.h"
|
|
#include "flang/Parser/parse-state.h"
|
|
#include <optional>
|
|
|
|
namespace Fortran::parser {
|
|
|
|
std::optional<Success> StartNewSubprogram::Parse(ParseState &state) {
|
|
if (auto *ustate{state.userState()}) {
|
|
ustate->NewSubprogram();
|
|
}
|
|
return Success{};
|
|
}
|
|
|
|
std::optional<CapturedLabelDoStmt::resultType> CapturedLabelDoStmt::Parse(
|
|
ParseState &state) {
|
|
static constexpr auto parser{statement(indirect(Parser<LabelDoStmt>{}))};
|
|
auto result{parser.Parse(state)};
|
|
if (result) {
|
|
if (auto *ustate{state.userState()}) {
|
|
ustate->NewDoLabel(std::get<Label>(result->statement.value().t));
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
std::optional<EndDoStmtForCapturedLabelDoStmt::resultType>
|
|
EndDoStmtForCapturedLabelDoStmt::Parse(ParseState &state) {
|
|
static constexpr auto parser{
|
|
statement(indirect(construct<EndDoStmt>("END DO" >> maybe(name))))};
|
|
if (auto enddo{parser.Parse(state)}) {
|
|
if (enddo->label) {
|
|
if (const auto *ustate{state.userState()}) {
|
|
if (ustate->IsDoLabel(enddo->label.value())) {
|
|
return enddo;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return std::nullopt;
|
|
}
|
|
|
|
std::optional<Success> EnterNonlabelDoConstruct::Parse(ParseState &state) {
|
|
if (auto *ustate{state.userState()}) {
|
|
ustate->EnterNonlabelDoConstruct();
|
|
}
|
|
return {Success{}};
|
|
}
|
|
|
|
std::optional<Success> LeaveDoConstruct::Parse(ParseState &state) {
|
|
if (auto ustate{state.userState()}) {
|
|
ustate->LeaveDoConstruct();
|
|
}
|
|
return {Success{}};
|
|
}
|
|
|
|
std::optional<Name> OldStructureComponentName::Parse(ParseState &state) {
|
|
if (std::optional<Name> n{name.Parse(state)}) {
|
|
if (const auto *ustate{state.userState()}) {
|
|
if (ustate->IsOldStructureComponent(n->source)) {
|
|
return n;
|
|
}
|
|
}
|
|
}
|
|
return std::nullopt;
|
|
}
|
|
|
|
std::optional<DataComponentDefStmt> StructureComponents::Parse(
|
|
ParseState &state) {
|
|
static constexpr auto stmt{Parser<DataComponentDefStmt>{}};
|
|
std::optional<DataComponentDefStmt> defs{stmt.Parse(state)};
|
|
if (defs) {
|
|
if (auto *ustate{state.userState()}) {
|
|
for (const auto &decl : std::get<std::list<ComponentDecl>>(defs->t)) {
|
|
ustate->NoteOldStructureComponent(std::get<Name>(decl.t).source);
|
|
}
|
|
}
|
|
}
|
|
return defs;
|
|
}
|
|
} // namespace Fortran::parser
|