aidl_language.h revision 54b6cfa9a9e5b861a9930af873580d6dc20f773c 
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    // XXX missing comments/copy text here
61    buffer_type semicolon_token;
62    buffer_type* comments_token; // points into this structure, DO NOT DELETE
63} method_type;
64
65enum {
66    PARCELABLE_TYPE = 12,
67    INTERFACE_TYPE
68};
69
70typedef struct document_item_type {
71    unsigned item_type;
72    struct document_item_type* next;
73} document_item_type;
74
75typedef struct parcelable_type {
76    document_item_type document_item;
77    buffer_type parcelable_token;
78    char* package;
79    buffer_type name;
80    buffer_type semicolon_token;
81} parcelable_type;
82
83typedef struct interface_type {
84    document_item_type document_item;
85    buffer_type interface_token;
86    bool oneway;
87    buffer_type oneway_token;
88    char* package;
89    buffer_type name;
90    buffer_type open_brace_token;
91    interface_item_type* interface_items;
92    buffer_type close_brace_token;
93    buffer_type* comments_token; // points into this structure, DO NOT DELETE
94} interface_type;
95
96typedef union lexer_type {
97    buffer_type buffer;
98    type_type type;
99    arg_type *arg;
100    method_type* method;
101    interface_item_type* interface_item;
102    interface_type* interface_obj;
103    parcelable_type* parcelable;
104    document_item_type* document_item;
105} lexer_type;
106
107
108#define YYSTYPE lexer_type
109
110#if __cplusplus
111extern "C" {
112#endif
113
114int parse_aidl(char const *);
115
116// strips off the leading whitespace, the "import" text
117// also returns whether it's a local or system import
118// we rely on the input matching the import regex from below
119char* parse_import_statement(const char* text);
120
121// in, out or inout
122enum {
123    IN_PARAMETER = 1,
124    OUT_PARAMETER = 2,
125    INOUT_PARAMETER = 3
126};
127int convert_direction(const char* direction);
128
129// callbacks from within the parser
130// these functions all take ownership of the strings
131typedef struct ParserCallbacks {
132    void (*document)(document_item_type* items);
133    void (*import)(buffer_type* statement);
134} ParserCallbacks;
135
136extern ParserCallbacks* g_callbacks;
137
138// true if there was an error parsing, false otherwise
139extern int g_error;
140
141// the name of the file we're currently parsing
142extern char const* g_currentFilename;
143
144// the package name for our current file
145extern char const* g_currentPackage;
146
147typedef enum {
148    STATEMENT_INSIDE_INTERFACE
149} error_type;
150
151void init_buffer_type(buffer_type* buf, int lineno);
152
153
154#if __cplusplus
155}
156#endif
157
158
159#endif // DEVICE_TOOLS_AIDL_AIDL_LANGUAGE_H
160