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llvm-project/flang/lib/Semantics/resolve-names.h

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[flang] [LLVMify F18] Compiler module folders should have capitalised names (flang-compiler/f18#980) This patch renames the modules in f18 to use a capital letter in the module name Signed-off-by: Caroline Concatto <caroline.concatto@arm.com> Original-commit: flang-compiler/f18@d2eb7a1c443d1539ef12b6f027074a0eb15b1ea0 Reviewed-on: https://github.com/flang-compiler/f18/pull/980
2020-02-25 23:11:52 +08:00
//===-- lib/Semantics/resolve-names.h ---------------------------*- C++ -*-===//
[flang] Add copyright notices. For source files (C++, Fortran, CMake) add copyright and license. For documentation files add just copyright. Original-commit: flang-compiler/f18@38381aed839ef091a44ea8f2ef7bc5346d776c67 Reviewed-on: https://github.com/flang-compiler/f18/pull/74
2018-05-02 03:50:34 +08:00
//
[flang] Flang relicensing changes for LLVM Apache 2.0 license This changes the license information in many of the flang source files. - Renamed LICENSE to LICENSE.txt. - NVIDIA Copyright lines have been removed. - Initial lines for files follow the LLVM coding convention (file name on the first line; Emacs mode information on the first line). - License references have been replaced with the abridged LLVM text. - License information was removed from the test files. - No file header was placed on test files (these weren't in most LLVM test files). - License information was added to documentation files where it was missing. We did not add brief file summaries to the initial line. See http://llvm.org/docs/DeveloperPolicy.html#new-llvm-project-license-framework for a description of the new license. See http://llvm.org/docs/CodingStandards.html#file-headers for a description of the new LLVM standard file header. Original-commit: flang-compiler/f18@add6cde7244b926ca457a1c74c21fea071b85329 Reviewed-on: https://github.com/flang-compiler/f18/pull/887
2019-12-21 04:52:07 +08:00
// 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
[flang] Add copyright notices. For source files (C++, Fortran, CMake) add copyright and license. For documentation files add just copyright. Original-commit: flang-compiler/f18@38381aed839ef091a44ea8f2ef7bc5346d776c67 Reviewed-on: https://github.com/flang-compiler/f18/pull/74
2018-05-02 03:50:34 +08:00
//
[flang] Minor format change to LLVM license lines Replace comment lines containing all dashes with the proper ===-----....----=== markers. Original-commit: flang-compiler/f18@a8936b0d4187a9a9ef43f9d34055a3213beeb9d2 Reviewed-on: https://github.com/flang-compiler/f18/pull/922
2020-01-11 04:12:03 +08:00
//===----------------------------------------------------------------------===//
[flang] Add copyright notices. For source files (C++, Fortran, CMake) add copyright and license. For documentation files add just copyright. Original-commit: flang-compiler/f18@38381aed839ef091a44ea8f2ef7bc5346d776c67 Reviewed-on: https://github.com/flang-compiler/f18/pull/74
2018-05-02 03:50:34 +08:00
[flang] Make include guards consistent. The include guard symbol is `FORTRAN_$dir_$file_H_` where $dir is the subdirectory of `lib` and $file is the basename of the header file. Those names are mapped to uppercase and hyphens are replaced by underscores. Original-commit: flang-compiler/f18@ac9c0e7106c898479cf35086861a711ab7c0210a Reviewed-on: https://github.com/flang-compiler/f18/pull/75
2018-05-02 05:07:52 +08:00
#ifndef FORTRAN_SEMANTICS_RESOLVE_NAMES_H_
#define FORTRAN_SEMANTICS_RESOLVE_NAMES_H_
[flang] Add -fdebug-dump-parse-tree and -fdebug-resolve-names "f18 -fdebug-resolve-names -fparse-only ..." is equivalent to what test-type used to do, so the test-type executable can be eliminated. -fdebug-dump-parse-tree does the parse-tree dumping that test-sema does, but test-sema does more so I have left it alone. Original-commit: flang-compiler/f18@8b3816528e6463acd18bbf6ed29c40869b15ea3a Reviewed-on: https://github.com/flang-compiler/f18/pull/55
2018-04-13 05:20:26 +08:00
#include <iosfwd>
[flang] Add top-level Semantics class Refactor to create the Semantics class that is responsible for holding state during semantics (the scope tree and messages) and managing the logic of the various phases of semantic processing. Eliminate static Scope::globalScope. The messages generated during semantic processing are accumulated in a Messages data member of Semantics so that individual phases don't need to emit them to std::cerr. This is now done by the driver so that it has control over where they go and eliminates other includes of iostream. To do this, the messages object is passed in to the various semantics operations. Move DumpSymbols into semantics.cc: it doesn't belong in resolve-names.cc and it depends on the global scope, so it's as good a place as any. The call to RewriteParseTree is also moved to Semantics. Original-commit: flang-compiler/f18@771d0e1293c460fe28946f20464587f9a993586d Reviewed-on: https://github.com/flang-compiler/f18/pull/186 Tree-same-pre-rewrite: false
2018-09-15 06:04:50 +08:00
#include <string>
[flang] Implement reading of module files When a use-stmt is encountered for a module that isn't in the global scope, search for and read the appropriate `.mod` file. To perform the search, pass the search directories in to ResolveNames. For modules that were read from `.mod` files, we have to keep the cooked source from being deleted so that the names so that references to names stay valid. So we store the cooked source in the Scope of the module as a `unique_ptr`. Add `Symbol::Flag::ModFile` to distinguish module symbols that were read from a `.mod` file rather than from the current compilation. Use it to prevent writing those back out. Fix test_errors.sh to run the compiler in the temp subdirectory -- otherwise tests could be affected by `.mod` files left from previous tests. Original-commit: flang-compiler/f18@207065999ce09ca7361aeb0262d1b8bf8cf4b99e Reviewed-on: https://github.com/flang-compiler/f18/pull/145
2018-07-25 21:55:11 +08:00
#include <vector>
[flang] Add -fdebug-dump-parse-tree and -fdebug-resolve-names "f18 -fdebug-resolve-names -fparse-only ..." is equivalent to what test-type used to do, so the test-type executable can be eliminated. -fdebug-dump-parse-tree does the parse-tree dumping that test-sema does, but test-sema does more so I have left it alone. Original-commit: flang-compiler/f18@8b3816528e6463acd18bbf6ed29c40869b15ea3a Reviewed-on: https://github.com/flang-compiler/f18/pull/55
2018-04-13 05:20:26 +08:00
[flang] [LLVMify F18] Replace the use std::ostream with LLVM streams llvm::ostream This patch replaces the occurrence of std::ostream by llvm::raw_ostream. In LLVM Coding Standards[1] "All new code should use raw_ostream instead of ostream".[1] As a consequence, this patch also replaces the use of: std::stringstream by llvm::raw_string_ostream or llvm::raw_ostream* std::ofstream by llvm::raw_fd_ostream std::endl by '\n' and flush()[2] std::cout by llvm::outs() and std::cerr by llvm::errs() It also replaces std::strerro by llvm::sys::StrError** , but NOT in Fortran runtime libraries *std::stringstream were replaced by llvm::raw_ostream in all methods that used std::stringstream as a parameter. Moreover, it removes the pointers to these streams. [1]https://llvm.org/docs/CodingStandards.html [2]https://releases.llvm.org/2.5/docs/CodingStandards.html#ll_avoidendl Signed-off-by: Caroline Concatto <caroline.concatto@arm.com> Running clang-format-7 Signed-off-by: Caroline Concatto <caroline.concatto@arm.com> Removing residue of ostream library Signed-off-by: Caroline Concatto <caroline.concatto@arm.com> Original-commit: flang-compiler/f18@a3507d44b8911e6024033aa583c1dc54e0eb89fd Reviewed-on: https://github.com/flang-compiler/f18/pull/1047
2020-02-28 23:11:03 +08:00
namespace llvm {
class raw_ostream;
}
[flang] Add -fdebug-dump-parse-tree and -fdebug-resolve-names "f18 -fdebug-resolve-names -fparse-only ..." is equivalent to what test-type used to do, so the test-type executable can be eliminated. -fdebug-dump-parse-tree does the parse-tree dumping that test-sema does, but test-sema does more so I have left it alone. Original-commit: flang-compiler/f18@8b3816528e6463acd18bbf6ed29c40869b15ea3a Reviewed-on: https://github.com/flang-compiler/f18/pull/55
2018-04-13 05:20:26 +08:00
namespace Fortran::parser {
[flang] Patches to permit building with Clang without notes or warnings. Original-commit: flang-compiler/f18@0e74b10603ecceaca1781ecd0ee630de89e8e7f1 Reviewed-on: https://github.com/flang-compiler/f18/pull/73 Tree-same-pre-rewrite: false
2018-04-27 06:44:29 +08:00
struct Program;
[flang] Changed .clang-format so that it will not add a comment after the closing brace of each namespace. Removed all such previous comments from all .cc and .h files Original-commit: flang-compiler/f18@aa7f55e15f78909ba8401f85e023ee4c3eaa923f Reviewed-on: https://github.com/flang-compiler/f18/pull/217
2018-10-25 20:55:23 +08:00
}
[flang] Add -fdebug-dump-parse-tree and -fdebug-resolve-names "f18 -fdebug-resolve-names -fparse-only ..." is equivalent to what test-type used to do, so the test-type executable can be eliminated. -fdebug-dump-parse-tree does the parse-tree dumping that test-sema does, but test-sema does more so I have left it alone. Original-commit: flang-compiler/f18@8b3816528e6463acd18bbf6ed29c40869b15ea3a Reviewed-on: https://github.com/flang-compiler/f18/pull/55
2018-04-13 05:20:26 +08:00
namespace Fortran::semantics {
[flang] Implement parse tree rewriting. Add parse-tree-mutator.h like parse-tree-visitor.h except that the Walk functions take non-const references to parse tree nodes so the Pre and Post methods of the mutator that are passed around can make changes to the parse tree. Change ExecutionPart to be a class that wraps a list so that it can be identified during parse tree walking. Add Symbol* field to parser::Name for the result of symbol resolution. In parse tree dumper, dump symbol when it is there instead of just name. Add RewriteParseTree to walk the parse tree, fill in resolved symbols in Name nodes, and make necessary changes to the structure. Currently that consists of rewriting statement functions as array assignments when appropriate. In ResolveNames, call RewriteParseTree if the resolution was successful. Recognize a statement function that comes after a mis-identified statement function and report an error. resolve08.f90 tests this case. Add -fdebug-dump-symbols to dump the scope tree and symbols in each scope. This is implemented by DumpSymbols in resolve-names.cc. Add an optional symbol to scopes that correspond to symbols (e.g. subprograms). Remove debug output from ResolveNamesVisitor as this option can be used instead. Original-commit: flang-compiler/f18@9cd337226521c7f3d2b149983ed677def55baa29 Reviewed-on: https://github.com/flang-compiler/f18/pull/60 Tree-same-pre-rewrite: false
2018-04-19 06:06:35 +08:00
[flang] Refactoring: add SemanticsContext class The new SemanticsContext holds the state of semantics whose lifetime spans all of the compilations. It contains the scope tree (and so all symbols), the intrinsics table, messages, and the state of options that affect semantics (default kinds, search directories, etc.) Original-commit: flang-compiler/f18@f04ceab81f383fa51d76e643066be251d6433ef2 Reviewed-on: https://github.com/flang-compiler/f18/pull/215 Tree-same-pre-rewrite: false
2018-10-22 22:37:38 +08:00
class SemanticsContext;
[flang] Improve error message for procedure passed as invalid argument to an intrinsic Support forward references to sibling module procedures Add tests, handle corner cases Rename new test Original-commit: flang-compiler/f18@234bb519cd38d0b9234fc0b4a8d11cfcb9935e6a Reviewed-on: https://github.com/flang-compiler/f18/pull/1076
2020-03-14 03:19:44 +08:00
class Symbol;
[flang] Add support for submodules Symbols for submodules have `ModuleDetails` with `isSubmodule` set. Scopes for submodules have `Module` kind and have a parent scope that is also `Module` kind. Scopes for modules now contain a mapping of submodule name to scope so that we can find them without having to search the scope tree or re-read their `.mod` file. The module file for submodule `s` with ancestor module `m` is named `m-s.mod`. The tree structure of scopes means module file writing is now recursive. Similarly, reading the module file for a submodule may require reading the module files of its parent and ancestor. `ResolveNames` now requires the parent scope to be passed in -- it is not always the global scope. `test_modfiles.sh` now handles an argument that is a filename glob so that the test can involve multiple files. This allows `modfile09` to test reading of `.mod` files for modules and submodules. Original-commit: flang-compiler/f18@2e4424dbc8cc5803d561274dbf70005afe7e65dc Reviewed-on: https://github.com/flang-compiler/f18/pull/160 Tree-same-pre-rewrite: false
2018-08-03 07:21:27 +08:00
[flang] Simplify Semantics::Perform `Semantics::Perform` is mostly a series of calls followed by a check for fatal errors. There is more error checking logic than real code. To make it clearer, change each of the phases it calls to return true on success so that `Perform` can just call them one after the other. Original-commit: flang-compiler/f18@a218cac788fdc4018645651964e75221c6f31653 Reviewed-on: https://github.com/flang-compiler/f18/pull/317
2019-03-07 09:07:25 +08:00
bool ResolveNames(SemanticsContext &, const parser::Program &);
[flang] Improve error message for procedure passed as invalid argument to an intrinsic Support forward references to sibling module procedures Add tests, handle corner cases Rename new test Original-commit: flang-compiler/f18@234bb519cd38d0b9234fc0b4a8d11cfcb9935e6a Reviewed-on: https://github.com/flang-compiler/f18/pull/1076
2020-03-14 03:19:44 +08:00
void ResolveSpecificationParts(SemanticsContext &, const Symbol &);
[flang] [LLVMify F18] Replace the use std::ostream with LLVM streams llvm::ostream This patch replaces the occurrence of std::ostream by llvm::raw_ostream. In LLVM Coding Standards[1] "All new code should use raw_ostream instead of ostream".[1] As a consequence, this patch also replaces the use of: std::stringstream by llvm::raw_string_ostream or llvm::raw_ostream* std::ofstream by llvm::raw_fd_ostream std::endl by '\n' and flush()[2] std::cout by llvm::outs() and std::cerr by llvm::errs() It also replaces std::strerro by llvm::sys::StrError** , but NOT in Fortran runtime libraries *std::stringstream were replaced by llvm::raw_ostream in all methods that used std::stringstream as a parameter. Moreover, it removes the pointers to these streams. [1]https://llvm.org/docs/CodingStandards.html [2]https://releases.llvm.org/2.5/docs/CodingStandards.html#ll_avoidendl Signed-off-by: Caroline Concatto <caroline.concatto@arm.com> Running clang-format-7 Signed-off-by: Caroline Concatto <caroline.concatto@arm.com> Removing residue of ostream library Signed-off-by: Caroline Concatto <caroline.concatto@arm.com> Original-commit: flang-compiler/f18@a3507d44b8911e6024033aa583c1dc54e0eb89fd Reviewed-on: https://github.com/flang-compiler/f18/pull/1047
2020-02-28 23:11:03 +08:00
void DumpSymbols(llvm::raw_ostream &);
[flang] Simplify Semantics::Perform `Semantics::Perform` is mostly a series of calls followed by a check for fatal errors. There is more error checking logic than real code. To make it clearer, change each of the phases it calls to return true on success so that `Perform` can just call them one after the other. Original-commit: flang-compiler/f18@a218cac788fdc4018645651964e75221c6f31653 Reviewed-on: https://github.com/flang-compiler/f18/pull/317
2019-03-07 09:07:25 +08:00
[flang] Reformat with latest clang-format and .clang-format Original-commit: flang-compiler/f18@9fe84f45d7fd685051004678d6b5775dcc4c6f8f Reviewed-on: https://github.com/flang-compiler/f18/pull/1094
2020-03-29 12:00:16 +08:00
} // namespace Fortran::semantics
[flang] Make include guards consistent. The include guard symbol is `FORTRAN_$dir_$file_H_` where $dir is the subdirectory of `lib` and $file is the basename of the header file. Those names are mapped to uppercase and hyphens are replaced by underscores. Original-commit: flang-compiler/f18@ac9c0e7106c898479cf35086861a711ab7c0210a Reviewed-on: https://github.com/flang-compiler/f18/pull/75
2018-05-02 05:07:52 +08:00
[flang] Reformat with latest clang-format and .clang-format Original-commit: flang-compiler/f18@9fe84f45d7fd685051004678d6b5775dcc4c6f8f Reviewed-on: https://github.com/flang-compiler/f18/pull/1094
2020-03-29 12:00:16 +08:00
#endif // FORTRAN_SEMANTICS_RESOLVE_NAMES_H_