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1 | //===-- include/flang/Parser/parsing.h --------------------------*- C++ -*-===// |
---|---|
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #ifndef FORTRAN_PARSER_PARSING_H_ |
10 | #define FORTRAN_PARSER_PARSING_H_ |
11 | |
12 | #include "characters.h" |
13 | #include "instrumented-parser.h" |
14 | #include "message.h" |
15 | #include "parse-tree.h" |
16 | #include "provenance.h" |
17 | #include "flang/Common/Fortran-features.h" |
18 | #include "flang/Parser/preprocessor.h" |
19 | #include "llvm/Support/raw_ostream.h" |
20 | #include <optional> |
21 | #include <string> |
22 | #include <utility> |
23 | #include <vector> |
24 | |
25 | namespace Fortran::parser { |
26 | |
27 | struct Options { |
28 | Options() {} |
29 | |
30 | using Predefinition = std::pair<std::string, std::optional<std::string>>; |
31 | |
32 | bool isFixedForm{false}; |
33 | int fixedFormColumns{72}; |
34 | common::LanguageFeatureControl features; |
35 | std::vector<std::string> searchDirectories; |
36 | std::vector<std::string> intrinsicModuleDirectories; |
37 | std::vector<Predefinition> predefinitions; |
38 | bool instrumentedParse{false}; |
39 | bool isModuleFile{false}; |
40 | bool needProvenanceRangeToCharBlockMappings{false}; |
41 | Fortran::parser::Encoding encoding{Fortran::parser::Encoding::UTF_8}; |
42 | bool prescanAndReformat{false}; // -E |
43 | bool showColors{false}; |
44 | }; |
45 | |
46 | class Parsing { |
47 | public: |
48 | explicit Parsing(AllCookedSources &); |
49 | ~Parsing(); |
50 | |
51 | bool consumedWholeFile() const { return consumedWholeFile_; } |
52 | const char *finalRestingPlace() const { return finalRestingPlace_; } |
53 | AllCookedSources &allCooked() { return allCooked_; } |
54 | const AllCookedSources &allCooked() const { return allCooked_; } |
55 | Messages &messages() { return messages_; } |
56 | std::optional<Program> &parseTree() { return parseTree_; } |
57 | |
58 | const CookedSource &cooked() const { return DEREF(currentCooked_); } |
59 | |
60 | const SourceFile *Prescan(const std::string &path, Options); |
61 | void EmitPreprocessedSource( |
62 | llvm::raw_ostream &, bool lineDirectives = true) const; |
63 | void EmitPreprocessorMacros(llvm::raw_ostream &) const; |
64 | void DumpCookedChars(llvm::raw_ostream &) const; |
65 | void DumpProvenance(llvm::raw_ostream &) const; |
66 | void DumpParsingLog(llvm::raw_ostream &) const; |
67 | void Parse(llvm::raw_ostream &debugOutput); |
68 | void ClearLog(); |
69 | |
70 | void EmitMessage(llvm::raw_ostream &o, const char *at, |
71 | const std::string &message, const std::string &prefix, |
72 | llvm::raw_ostream::Colors color = llvm::raw_ostream::SAVEDCOLOR, |
73 | bool echoSourceLine = false) const { |
74 | allCooked_.allSources().EmitMessage(o, |
75 | allCooked_.GetProvenanceRange(CharBlock(at)), message, prefix, color, |
76 | echoSourceLine); |
77 | } |
78 | |
79 | private: |
80 | Options options_; |
81 | AllCookedSources &allCooked_; |
82 | CookedSource *currentCooked_{nullptr}; |
83 | Messages messages_; |
84 | bool consumedWholeFile_{false}; |
85 | const char *finalRestingPlace_{nullptr}; |
86 | std::optional<Program> parseTree_; |
87 | ParsingLog log_; |
88 | Preprocessor preprocessor_{allCooked_.allSources()}; |
89 | }; |
90 | } // namespace Fortran::parser |
91 | #endif // FORTRAN_PARSER_PARSING_H_ |
92 |
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