aidl_language.cpp revision b992b450093546d275d2da4b544a611700536e29 
1#include "aidl_language.h"
2
3#include <iostream>
4#include <stdio.h>
5#include <stdlib.h>
6#include <string>
7
8#include "aidl_language_y.hpp"
9#include "parse_helpers.h"
10
11#ifdef _WIN32
12int isatty(int  fd)
13{
14    return (fd == 0);
15}
16#endif
17
18using std::string;
19using std::cerr;
20using std::endl;
21
22Parser *psGlobal = NULL;
23ParserCallbacks* g_callbacks = NULL; // &k_parserCallbacks;
24char const* g_currentPackage = NULL;
25
26
27void yylex_init(void **);
28void yylex_destroy(void *);
29void yyset_in(FILE *f, void *);
30int yyparse(Parser*);
31YY_BUFFER_STATE yy_scan_string(const char *, void *);
32void yy_delete_buffer(YY_BUFFER_STATE, void *);
33
34Parser::Parser(const string& filename)
35    : filename_(filename) {
36  yylex_init(&scanner_);
37}
38
39Parser::~Parser() {
40  if (buffer_is_valid_)
41    yy_delete_buffer(buffer_, scanner_);
42  yylex_destroy(scanner_);
43}
44
45string Parser::FileName() {
46  return filename_;
47}
48
49string Parser::Package() {
50  return g_currentPackage ? g_currentPackage : "";
51}
52
53void Parser::ReportError(const string& err) {
54  /* FIXME: We're printing out the line number as -1. We used to use yylineno
55   * (which was NEVER correct even before reentrant parsing). Now we'll need
56   * another way.
57   */
58  cerr << filename_ << ":" << -1 << ": " << err << endl;
59  error_ = 1;
60}
61
62bool Parser::FoundNoErrors() {
63  return error_ == 0;
64}
65
66void *Parser::Scanner() {
67  return scanner_;
68}
69
70bool Parser::OpenFileFromDisk() {
71  FILE *in = fopen(FileName().c_str(), "r");
72
73  if (! in)
74    return false;
75
76  yyset_in(in, Scanner());
77  return true;
78}
79
80void Parser::SetFileContents(const std::string& contents) {
81  if (buffer_is_valid_)
82    yy_delete_buffer(buffer_, scanner_);
83
84  buffer_ = yy_scan_string(contents.c_str(), scanner_);
85  buffer_is_valid_ = true;
86}
87
88bool Parser::RunParser() {
89  int ret = yy::parser(this).parse();
90
91  delete[] g_currentPackage;
92  g_currentPackage = NULL;
93
94  return ret == 0 && error_ == 0;
95}
96
97void Parser::SetDocument(document_item_type *d)
98{
99  document_ = d;
100}
101
102void Parser::AddImport(const buffer_type& statement)
103{
104  import_info* import = new import_info();
105  memset(import, 0, sizeof(import_info));
106  import->from = strdup(this->FileName().c_str());
107  import->statement.lineno = statement.lineno;
108  import->statement.data = strdup(statement.data);
109  import->statement.extra = NULL;
110  import->next = imports_;
111  import->neededClass = android::aidl::parse_import_statement(statement.data);
112  imports_ = import;
113}
114
115document_item_type *Parser::GetDocument() const
116{
117  return document_;
118}
119
120import_info *Parser::GetImports() const
121{
122  return imports_;
123}
124
125std::string type_type::Brackets() const {
126  std::string result;
127
128  for (int i = 0; i < dimension; i++)
129    result += "[]";
130
131  return result;
132}
133