1#ifndef DEVICE_TOOLS_AIDL_AIDL_LANGUAGE_H
2#define DEVICE_TOOLS_AIDL_AIDL_LANGUAGE_H
3
4
5typedef enum {
6    NO_EXTRA_TEXT = 0,
7    SHORT_COMMENT,
8    LONG_COMMENT,
9    COPY_TEXT,
10    WHITESPACE
11} which_extra_text;
12
13typedef struct extra_text_type {
14    unsigned lineno;
15    which_extra_text which;
16    char* data;
17    unsigned len;
18    struct extra_text_type* next;
19} extra_text_type;
20
21typedef struct buffer_type {
22    unsigned lineno;
23    unsigned token;
24    char *data;
25    extra_text_type* extra;
26} buffer_type;
27
28typedef struct type_type {
29    buffer_type type;
30    buffer_type array_token;
31    int dimension;
32} type_type;
33
34typedef struct arg_type {
35    buffer_type comma_token; // empty in the first one in the list
36    buffer_type direction;
37    type_type type;
38    buffer_type name;
39    struct arg_type *next;
40} arg_type;
41
42enum {
43    METHOD_TYPE
44};
45
46typedef struct interface_item_type {
47    unsigned item_type;
48    struct interface_item_type* next;
49} interface_item_type;
50
51typedef struct method_type {
52    interface_item_type interface_item;
53    type_type type;
54    bool oneway;
55    buffer_type oneway_token;
56    buffer_type name;
57    buffer_type open_paren_token;
58    arg_type* args;
59    buffer_type close_paren_token;
60    bool hasId;
61    buffer_type equals_token;
62    buffer_type id;
63    // XXX missing comments/copy text here
64    buffer_type semicolon_token;
65    buffer_type* comments_token; // points into this structure, DO NOT DELETE
66    int assigned_id;
67} method_type;
68
69enum {
70    USER_DATA_TYPE = 12,
71    INTERFACE_TYPE_BINDER,
72    INTERFACE_TYPE_RPC
73};
74
75typedef struct document_item_type {
76    unsigned item_type;
77    struct document_item_type* next;
78} document_item_type;
79
80
81// for user_data_type.flattening_methods
82enum {
83    PARCELABLE_DATA = 0x1,
84    RPC_DATA = 0x2
85};
86
87typedef struct user_data_type {
88    document_item_type document_item;
89    buffer_type keyword_token; // only the first one
90    char* package;
91    buffer_type name;
92    buffer_type semicolon_token;
93    int flattening_methods;
94} user_data_type;
95
96typedef struct interface_type {
97    document_item_type document_item;
98    buffer_type interface_token;
99    bool oneway;
100    buffer_type oneway_token;
101    char* package;
102    buffer_type name;
103    buffer_type open_brace_token;
104    interface_item_type* interface_items;
105    buffer_type close_brace_token;
106    buffer_type* comments_token; // points into this structure, DO NOT DELETE
107} interface_type;
108
109typedef union lexer_type {
110    buffer_type buffer;
111    type_type type;
112    arg_type *arg;
113    method_type* method;
114    interface_item_type* interface_item;
115    interface_type* interface_obj;
116    user_data_type* user_data;
117    document_item_type* document_item;
118} lexer_type;
119
120
121#define YYSTYPE lexer_type
122
123#if __cplusplus
124extern "C" {
125#endif
126
127int parse_aidl(char const *);
128
129// strips off the leading whitespace, the "import" text
130// also returns whether it's a local or system import
131// we rely on the input matching the import regex from below
132char* parse_import_statement(const char* text);
133
134// in, out or inout
135enum {
136    IN_PARAMETER = 1,
137    OUT_PARAMETER = 2,
138    INOUT_PARAMETER = 3
139};
140int convert_direction(const char* direction);
141
142// callbacks from within the parser
143// these functions all take ownership of the strings
144typedef struct ParserCallbacks {
145    void (*document)(document_item_type* items);
146    void (*import)(buffer_type* statement);
147} ParserCallbacks;
148
149extern ParserCallbacks* g_callbacks;
150
151// true if there was an error parsing, false otherwise
152extern int g_error;
153
154// the name of the file we're currently parsing
155extern char const* g_currentFilename;
156
157// the package name for our current file
158extern char const* g_currentPackage;
159
160typedef enum {
161    STATEMENT_INSIDE_INTERFACE
162} error_type;
163
164void init_buffer_type(buffer_type* buf, int lineno);
165
166
167#if __cplusplus
168}
169#endif
170
171
172#endif // DEVICE_TOOLS_AIDL_AIDL_LANGUAGE_H
173