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annotate src/lwasm.h @ 26:d2e86babd958

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Added error tracking infrastructure
author lost
date Fri, 02 Jan 2009 02:38:02 +0000
parents 3c0e5f311c95
children f736579569b4
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1 /*
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2 lwasm.h
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3 Copyright © 2008 William Astle
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4
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5 This file is part of LWASM.
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6
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7 LWASM is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 Contains the main defs used by the assembler
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21 */
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24 #ifndef __lwasm_h_seen__
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25 #define __lwasm_h_seen__
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26
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27 #define OUTPUT_DECB 0 // DECB multirecord format
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28 #define OUTPUT_RAW 1 // raw sequence of bytes
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29 #define OUTPUT_OBJ 2 // proprietary object file format
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30
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31 // structure for tracking errors
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32 typedef struct lwasm_error_s lwasm_error_t;
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33 struct lwasm_error_s
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34 {
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35 char *mess; // the actual error message
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36 lwasm_error_t *next; // ptr to next error
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37 };
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38
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39 // structure for keeping track of lines
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40 typedef struct lwasm_line_s lwasm_line_t;
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41 struct lwasm_line_s {
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42 char *text; // the actual text of the line
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43 int lineno; // line number within the file
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44 char *filename; // file name reference
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45 lwasm_line_t *next; // next line
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46 lwasm_line_t *prev; // previous line
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47 lwasm_error_t *err; // error messages
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48 };
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49
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50 // keep track of current assembler state
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51 typedef struct {
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52 int dpval; // current dp value (setdp)
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53 int addr; // current address
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54 int errorcount; // error count
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55 int passnum; // which pass are we on?
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56 int execaddr; // execution address for the program (END ....)
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57 int pragmas; // what pragmas are in effect?
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58
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59 lwasm_line_t *lineshead; // first line of source code
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60 lwasm_line_t *linestail; // last line of source code
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61
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62 const char *infile; // input file
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63 const char *outfile; // output file
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64 const char *listfile; // output listing file
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65 int debug; // debug mode
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66 int outformat; // output format type
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67 char **filelist; // files that have been read
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68 int filelistlen; // number of files in the list
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69 } asmstate_t;
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70
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71 #define PRAGMA_NOINDEX0TONONE 1
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72
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73 #ifndef __lwasm_c_seen__
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74 #define __lwasm_E__ extern
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75 #else
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76 #define __lwasm_E__
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77 #endif
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78
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79 __lwasm_E__ int register_error(asmstate_t *as, lwasm_line_t *l, int pass, const char *fmt, ...);
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80
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81 #undef __lwasm_E__
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82
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83
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84 #ifndef __symtab_c_seen__
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85 //extern void register_symbol(asmstate_t *as, sourceline_t *cl, char *symstr, int val, int flags);
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86 //extern int lookup_symbol(asmstate_t *as, char *symstr);
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87 //extern void list_symbols(asmstate_t *as, FILE *f);
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88 #endif
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91 #endif //__lwasm_h_seen__