annotate tests/agcl/oldagsrc/good/bciastp.h @ 15:f5acaf0c8a29

Don't cast through "volatile int". Causes a gcc warning nowadays. XXX: should put something else back here to frighten the optimizer
author David A. Holland
date Tue, 31 May 2022 01:00:55 -0400
parents 13d2b8934445
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1 #ifndef BCIASTP_H
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2 #define BCIASTP_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<AgStack<Statement *> >)];
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33 char ag_vt_5[sizeof(AgObjectWrapper<AgString >)];
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34 char ag_vt_6[sizeof(Program *)];
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35 char ag_vt_7[sizeof(Statement *)];
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36 char ag_vt_8[sizeof(Expression *)];
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37 char ag_vt_9[sizeof(double)];
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38 } astParse_vs_type;
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39
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40 typedef enum {
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41 astParse_white_space_token = 1, astParse_input_string_token = 4,
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42 astParse_statements_token, astParse_eof_token, astParse_statement_token,
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43 astParse_closed_statement_token, astParse_open_statement_token,
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44 astParse_expression_token = 12, astParse_simple_statement_token = 18,
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45 astParse_assignment_expression_token = 22,
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46 astParse_conditional_expression_token = 24,
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47 astParse_logical_or_expression_token = 30,
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48 astParse_logical_and_expression_token = 33,
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49 astParse_equality_expression_token = 35,
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50 astParse_relational_expression_token = 37,
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51 astParse_additive_expression_token = 40,
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52 astParse_multiplicative_expression_token = 45,
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53 astParse_unary_expression_token = 48, astParse_factor_token = 51,
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54 astParse_primary_token = 53, astParse_simple_real_token = 69,
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55 astParse_exponent_token = 72, astParse_integer_part_token,
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56 astParse_fraction_part_token = 75, astParse_digit_token = 77,
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57 astParse_letter_token, astParse_name_token = 97,
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58 astParse_real_token = 118
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59 } astParse_token_type;
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60
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61 typedef struct astParse_pcb_struct{
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62 astParse_token_type token_number, reduction_token, error_frame_token;
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63 int input_code;
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64 int input_value;
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65 int line, column;
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66 int ssx, sn, error_frame_ssx;
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67 int drt, dssx, dsn;
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68 int ss[128];
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69 astParse_vs_type vs[128];
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70 int ag_ap;
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71 const char *error_message;
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72 char read_flag;
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73 char exit_flag;
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74 int bts[128], btsx;
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75 unsigned char * pointer;
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76 unsigned char * la_ptr;
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77 const unsigned char *key_sp;
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78 int save_index, key_state;
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79 char ag_msg[82];
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80 /* Line -, bciastp.syn */
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81 // Maps symbol names to variables
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82 // AgSharedStringDictionary symbolDictionary;
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83 AbstractSyntaxTree *ast;
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84
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85 // Temporary space to accumulate identifiers while parsing
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86 AgString charStack;
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87 } astParse_pcb_type;
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88
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89 #ifndef PRULE_CONTEXT
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90 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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91 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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92 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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93 #endif
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94
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95 #ifndef AG_RUNNING_CODE
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96 /* PCB.exit_flag values */
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97 #define AG_RUNNING_CODE 0
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98 #define AG_SUCCESS_CODE 1
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99 #define AG_SYNTAX_ERROR_CODE 2
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100 #define AG_REDUCTION_ERROR_CODE 3
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101 #define AG_STACK_ERROR_CODE 4
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102 #define AG_SEMANTIC_ERROR_CODE 5
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103 #endif
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104 void init_astParse(astParse_pcb_type *);
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105 void astParse(astParse_pcb_type *);
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106
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107 Program * astParse_value(astParse_pcb_type *);
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108 #endif
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109