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annotate tests/agcl/oldagsrc/good/bcip.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 #ifndef BCIP_H
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2 #define BCIP_H
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3
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4 #ifndef AG_OBJECT_WRAPPER_DEFINED
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5 #define AG_OBJECT_WRAPPER_DEFINED
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6
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7 #ifndef AG_PLACEMENT_DELETE_REQUIRED
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8 #if _MSC_VER >= 1200 || __INTEL_COMPILER
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9 #define AG_PLACEMENT_DELETE_REQUIRED 1
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10 #endif
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11 #endif
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12
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13 template <class Object>
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14 class AgObjectWrapper {
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15 Object object;
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16 public:
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17 void operator delete(void *) {}
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18 void *operator new(size_t, void *p) { return p;}
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19 #if AG_PLACEMENT_DELETE_REQUIRED
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20 void operator delete(void *, void *) { }
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21 #endif
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22 AgObjectWrapper(const Object &o) : object(o) {}
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23 ~AgObjectWrapper() {}
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24 operator Object &() {return object;}
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25 };
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26
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27 #endif
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28
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29 typedef union {
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30 double alignment;
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31 char ag_vt_2[sizeof(int)];
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32 char ag_vt_4[sizeof(AgObjectWrapper<CodeFragment >)];
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33 char ag_vt_5[sizeof(double)];
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34 } bciParse_vs_type;
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35
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36 typedef enum {
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37 bciParse_white_space_token = 1, bciParse_input_string_token = 4,
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38 bciParse_statements_token, bciParse_eof_token, bciParse_statement_token,
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39 bciParse_open_statement_token, bciParse_closed_statement_token,
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40 bciParse_if_clause_token, bciParse_while_clause_token = 12,
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41 bciParse_expression_token = 15, bciParse_simple_statement_token = 18,
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42 bciParse_assignment_expression_token = 24,
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43 bciParse_conditional_expression_token = 26,
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44 bciParse_logical_or_expression_token = 32,
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45 bciParse_logical_and_expression_token = 35,
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46 bciParse_equality_expression_token = 37,
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47 bciParse_relational_expression_token = 39,
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48 bciParse_additive_expression_token = 42,
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49 bciParse_multiplicative_expression_token = 47,
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50 bciParse_unary_expression_token = 50, bciParse_factor_token = 53,
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51 bciParse_primary_token, bciParse_simple_real_token = 71,
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52 bciParse_exponent_token = 74, bciParse_integer_part_token,
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53 bciParse_fraction_part_token = 77, bciParse_digit_token = 79,
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54 bciParse_name_string_token, bciParse_letter_token,
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55 bciParse_name_token = 100, bciParse_real_token = 120
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56 } bciParse_token_type;
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57
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58 typedef struct bciParse_pcb_struct{
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59 bciParse_token_type token_number, reduction_token, error_frame_token;
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60 int input_code;
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61 int input_value;
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62 int line, column;
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63 int ssx, sn, error_frame_ssx;
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64 int drt, dssx, dsn;
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65 int ss[128];
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66 bciParse_vs_type vs[128];
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67 int ag_ap;
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68 const char *error_message;
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69 char read_flag;
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70 char exit_flag;
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71 int bts[128], btsx;
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72 unsigned char * pointer;
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73 unsigned char * la_ptr;
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74 const unsigned char *key_sp;
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75 int save_index, key_state;
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76 char ag_msg[82];
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77 /* Line -, bcip.syn */
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78 AgStringDictionary *symbolDictionary;
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79 AgStack<double> realList; // List of real constants
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80 int compile(AgStringDictionary *, AgString);
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81 CodeFragment code;
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82
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83 AgCharStack charStack; // Stack to accumulate variable names
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84 int locateVariable(int k); // Identify variable named on character stack
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85 int stashReal(double);
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86 CodeFragment codeIfElse(CodeFragment &, CodeFragment &, CodeFragment &);
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87 CodeFragment codeWhile(CodeFragment &, CodeFragment &);
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88 CodeFragment codeDoWhile(CodeFragment &, CodeFragment &);
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89 CodeFragment codeFor(CodeFragment &, CodeFragment &, CodeFragment &, CodeFragment &);
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90 } bciParse_pcb_type;
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91
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92 #ifndef PRULE_CONTEXT
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93 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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94 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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95 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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96 #endif
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97
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98 #ifndef AG_RUNNING_CODE
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99 /* PCB.exit_flag values */
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100 #define AG_RUNNING_CODE 0
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101 #define AG_SUCCESS_CODE 1
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102 #define AG_SYNTAX_ERROR_CODE 2
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103 #define AG_REDUCTION_ERROR_CODE 3
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104 #define AG_STACK_ERROR_CODE 4
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105 #define AG_SEMANTIC_ERROR_CODE 5
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106 #endif
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107 void init_bciParse(bciParse_pcb_type *);
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108 void bciParse(bciParse_pcb_type *);
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109
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110 CodeFragment bciParse_value(bciParse_pcb_type *);
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111 #endif
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112