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comparison tests/agcl/parsifal/good/pex2.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
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-1:000000000000 0:13d2b8934445
1 #ifndef PEX2_H
2 #define PEX2_H
3
4 typedef enum {
5 pex2_white_space_token = 1, pex2_space_token = 3, pex2_comment_token,
6 pex2_while_loop_token, pex2_while_head_token,
7 pex2_false_while_condition_token, pex2_while_iteration_token,
8 pex2_true_while_condition_token = 19, pex2_while_body_token = 21,
9 pex2_while_body_text_token = 30, pex2_expression_token = 32,
10 pex2_eol_token, pex2_section_token, pex2_while_body_terminator_token
11 } pex2_token_type;
12
13 typedef struct pex2_pcb_struct{
14 pex2_token_type token_number, reduction_token, error_frame_token;
15 int input_code;
16 int input_value;
17 int line, column;
18 int ssx, sn, error_frame_ssx;
19 int drt, dssx, dsn;
20 int ss[128];
21 int vs[128];
22 int ag_ap;
23 const char *error_message;
24 char read_flag;
25 char exit_flag;
26 int bts[128], btsx;
27 int lab[10], rx, fx;
28 const unsigned char *key_sp;
29 int save_index, key_state;
30 char ag_msg[82];
31 const int *ag_dtl;
32 int ag_dsn;
33 } pex2_pcb_type;
34
35 #ifndef PRULE_CONTEXT
36 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
37 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
38 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
39 #endif
40
41 #ifndef AG_RUNNING_CODE
42 /* PCB.exit_flag values */
43 #define AG_RUNNING_CODE 0
44 #define AG_SUCCESS_CODE 1
45 #define AG_SYNTAX_ERROR_CODE 2
46 #define AG_REDUCTION_ERROR_CODE 3
47 #define AG_STACK_ERROR_CODE 4
48 #define AG_SEMANTIC_ERROR_CODE 5
49 #endif
50
51 extern pex2_pcb_type pex2_pcb;
52 void init_pex2(void);
53 void pex2(void);
54 #endif
55