cprover
json_symtab_language.h
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1 /*******************************************************************\
2 
3 Module: JSON symbol table language. Accepts a JSON format symbol
4  table that has been produced out-of-process, e.g. by using
5  a compiler's front-end.
6 
7 Author: Chris Smowton, chris.smowton@diffblue.com
8 
9 \*******************************************************************/
10 
11 #ifndef CPROVER_JSON_SYMTAB_LANGUAGE_JSON_SYMTAB_LANGUAGE_H
12 #define CPROVER_JSON_SYMTAB_LANGUAGE_JSON_SYMTAB_LANGUAGE_H
13 
14 #include <set>
15 #include <string>
16 
18 #include <langapi/language.h>
19 #include <util/json.h>
20 #include <util/make_unique.h>
21 
23 {
24 public:
25  bool parse(std::istream &instream, const std::string &path) override;
26 
27  bool
28  typecheck(symbol_tablet &symbol_table, const std::string &module) override;
29 
30  void show_parse(std::ostream &out) override;
31 
32  bool
33  to_expr(const std::string &, const std::string &, exprt &, const namespacet &)
34  override
35  {
37  }
38 
39  std::string id() const override
40  {
41  return "json_symtab";
42  }
43  std::string description() const override
44  {
45  return "JSON symbol table";
46  }
47 
48  std::set<std::string> extensions() const override
49  {
50  return {"json_symtab"};
51  }
52 
53  std::unique_ptr<languaget> new_language() override
54  {
55  return util_make_unique<json_symtab_languaget>();
56  }
57 
58  bool generate_support_functions(symbol_tablet &symbol_table) override
59  {
60  // check if entry point is already there
61  bool entry_point_exists =
62  symbol_table.symbols.find(goto_functionst::entry_point()) !=
63  symbol_table.symbols.end();
64  return !entry_point_exists;
65  }
66 
67  ~json_symtab_languaget() override = default;
68 
69 protected:
71 };
72 
73 inline std::unique_ptr<languaget> new_json_symtab_language()
74 {
75  return util_make_unique<json_symtab_languaget>();
76 }
77 
78 #endif
json_symtab_languaget::show_parse
void show_parse(std::ostream &out) override
Output the result of the parsed json file to the output stream passed as a parameter to this function...
Definition: json_symtab_language.cpp:56
symbol_tablet
The symbol table.
Definition: symbol_table.h:20
UNIMPLEMENTED
#define UNIMPLEMENTED
Definition: invariant.h:523
json_symtab_languaget::description
std::string description() const override
Definition: json_symtab_language.h:43
json_symtab_languaget
Definition: json_symtab_language.h:23
exprt
Base class for all expressions.
Definition: expr.h:53
jsont
Definition: json.h:27
namespacet
A namespacet is essentially one or two symbol tables bound together, to allow for symbol lookups in t...
Definition: namespace.h:92
new_json_symtab_language
std::unique_ptr< languaget > new_json_symtab_language()
Definition: json_symtab_language.h:73
make_unique.h
json_symtab_languaget::parse
bool parse(std::istream &instream, const std::string &path) override
Parse a goto program in json form.
Definition: json_symtab_language.cpp:22
json_symtab_languaget::generate_support_functions
bool generate_support_functions(symbol_tablet &symbol_table) override
Create language-specific support functions, such as __CPROVER_start, __CPROVER_initialize and languag...
Definition: json_symtab_language.h:58
language.h
Abstract interface to support a programming language.
json_symtab_languaget::id
std::string id() const override
Definition: json_symtab_language.h:39
json_symtab_languaget::parsed_json_file
jsont parsed_json_file
Definition: json_symtab_language.h:70
json_symtab_languaget::extensions
std::set< std::string > extensions() const override
Definition: json_symtab_language.h:48
symbol_table_baset::symbols
const symbolst & symbols
Read-only field, used to look up symbols given their names.
Definition: symbol_table_base.h:30
json_symtab_languaget::typecheck
bool typecheck(symbol_tablet &symbol_table, const std::string &module) override
Typecheck a goto program in json form.
Definition: json_symtab_language.cpp:33
json.h
languaget
Definition: language.h:40
goto_functions.h
Goto Programs with Functions.
json_symtab_languaget::to_expr
bool to_expr(const std::string &, const std::string &, exprt &, const namespacet &) override
Parses the given string into an expression.
Definition: json_symtab_language.h:33
goto_functionst::entry_point
static irep_idt entry_point()
Get the identifier of the entry point to a goto model.
Definition: goto_functions.h:90
json_symtab_languaget::new_language
std::unique_ptr< languaget > new_language() override
Definition: json_symtab_language.h:53
json_symtab_languaget::~json_symtab_languaget
~json_symtab_languaget() override=default