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comparison helpgen/readhelp.h @ 0:13d2b8934445

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Import AnaGram (near-)release tree into Mercurial.
author David A. Holland
date Sat, 22 Dec 2007 17:52:45 -0500
parents
children 5581ef01f993
comparison
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-1:000000000000 0:13d2b8934445
1 #ifndef READHELP_H_1181769468
2 #define READHELP_H_1181769468
3
4 typedef union {
5 long alignment;
6 char ag_vt_2[sizeof(int)];
7 char ag_vt_3[sizeof(long)];
8 char ag_vt_4[sizeof(const char *)];
9 } readhelp_vs_type;
10
11 typedef enum {
12 readhelp_letter_token = 1, readhelp_blanks_token = 3,
13 readhelp_blank_token, readhelp_eol_token, readhelp_text_token = 7,
14 readhelp_cr_token = 10, readhelp_nl_token = 12, readhelp_new_line_token,
15 readhelp_continue_token, readhelp_name_token = 17, readhelp_title_token,
16 readhelp_titles_token, readhelp_text_lines_token = 21,
17 readhelp_text_unit_token, readhelp_cross_reference_token = 25,
18 readhelp_cross_reference_text_token, readhelp_right_token,
19 readhelp_left_token, readhelp_block_body_token,
20 readhelp_blank_lines_token, readhelp_end_block_token,
21 readhelp_block_token = 33, readhelp_real_block_body_token = 35,
22 readhelp_file_token = 37, readhelp_blocks_token, readhelp_eof_token
23 } readhelp_token_type;
24
25 typedef struct readhelp_pcb_struct{
26 readhelp_token_type token_number, reduction_token, error_frame_token;
27 int input_code;
28 int input_value;
29 int line, column;
30 int ssx, sn, error_frame_ssx;
31 int drt, dssx, dsn;
32 int ss[128];
33 readhelp_vs_type vs[128];
34 int ag_ap;
35 const char *error_message;
36 char read_flag;
37 char exit_flag;
38 unsigned char * input_context;
39 unsigned char * cs[128];
40 int bts[128], btsx;
41 unsigned char * pointer;
42 unsigned char * la_ptr;
43 const unsigned char *key_sp;
44 int save_index, key_state;
45 char ag_msg[82];
46 } readhelp_pcb_type;
47
48 #ifndef PRULE_CONTEXT
49 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
50 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
51 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
52 #endif
53
54 #ifndef AG_RUNNING_CODE
55 /* PCB.exit_flag values */
56 #define AG_RUNNING_CODE 0
57 #define AG_SUCCESS_CODE 1
58 #define AG_SYNTAX_ERROR_CODE 2
59 #define AG_REDUCTION_ERROR_CODE 3
60 #define AG_STACK_ERROR_CODE 4
61 #define AG_SEMANTIC_ERROR_CODE 5
62 #endif
63
64 extern readhelp_pcb_type readhelp_pcb;
65 void init_readhelp(void);
66 void readhelp(void);
67 #endif
68