| 1 | |
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| 2 | Nullable nonterminals: |
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| 3 | |
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| 4 | (const_bindings | const_bindings_tail | decls | directives | exp | |
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| 5 | implem | imports | interf | iter | let | |
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| 6 | module_name | names | native_sentences | path | path_tail | |
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| 7 | paths | pattern | pattern_alts | rest | sentence | |
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| 8 | sentences | source) |
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| 9 | |
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| 10 | |
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| 11 | The starters of nonterminals: |
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| 12 | |
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| 13 | program -> |
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| 14 | (IMPLEMENTATION | INTERFACE) |
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| 15 | implem -> |
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| 16 | (CONST | FUNC_DECL | MODULE | NATIVE | OBJ_DECL | |
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| 17 | PUBLIC | TRACE_ALL | USE | WORD) |
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| 18 | interf -> |
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| 19 | (CONST | FUNC_DECL | MODULE | OBJ_DECL | PUBLIC) |
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| 20 | module_name -> |
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| 21 | (MODULE) |
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| 22 | imports -> |
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| 23 | (USE) |
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| 24 | directives -> |
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| 25 | (CONST | FUNC_DECL | NATIVE | OBJ_DECL | PUBLIC | |
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| 26 | TRACE_ALL | WORD) |
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| 27 | directive -> |
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| 28 | (CONST | FUNC_DECL | NATIVE | OBJ_DECL | PUBLIC | |
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| 29 | TRACE_ALL | WORD) |
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| 30 | decls -> |
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| 31 | (CONST | FUNC_DECL | OBJ_DECL | PUBLIC) |
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| 32 | decl -> |
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| 33 | (CONST | FUNC_DECL | OBJ_DECL | PUBLIC) |
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| 34 | private_decl -> |
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| 35 | (CONST | FUNC_DECL | OBJ_DECL) |
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| 36 | obj_decl -> |
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| 37 | (OBJ_DECL) |
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| 38 | const_decl -> |
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| 39 | (CONST) |
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| 40 | const_bindings -> |
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| 41 | (WORD) |
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| 42 | const_bindings_tail -> |
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| 43 | (COMMA) |
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| 44 | const_binding -> |
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| 45 | (WORD) |
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| 46 | func_decl -> |
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| 47 | (FUNC_DECL) |
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| 48 | native -> |
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| 49 | (NATIVE) |
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| 50 | native_block -> |
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| 51 | (LCURL | WORD) |
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| 52 | native_sentences -> |
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| 53 | (WORD) |
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| 54 | native_sentence -> |
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| 55 | (WORD) |
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| 56 | trace_all -> |
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| 57 | (TRACE_ALL) |
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| 58 | func_def -> |
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| 59 | (WORD) |
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| 60 | sentence -> |
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| 61 | (CHAR | COMMA | CUT | EQL | ERROR | |
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| 62 | FAIL | FENCE | LANGU | LCURL | LPAR | |
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| 63 | MATCH_DIR | NOT | NUMB | REF | TRAP | |
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| 64 | VAR | WORD) |
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| 65 | path -> |
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| 66 | (CHAR | COL | COL_CURL | COMMA | CUT | |
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| 67 | EQL | ERROR | FAIL | FENCE | ITER | |
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| 68 | LANGU | LCURL | LET | LPAR | NOT | |
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| 69 | NUMB | REF | TRAP | VAR | WORD) |
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| 70 | path_tail -> |
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| 71 | (COL | COMMA | CUT | EQL | ERROR | |
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| 72 | FAIL | FENCE | ITER | LET | NOT | |
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| 73 | TRAP) |
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| 74 | iter -> |
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| 75 | (ITER) |
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| 76 | let -> |
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| 77 | (LET) |
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| 78 | rest -> |
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| 79 | (COMMA | CUT | EQL | ERROR | FAIL | |
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| 80 | FENCE | NOT | TRAP) |
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| 81 | source -> |
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| 82 | (CHAR | COL_CURL | LANGU | LCURL | LPAR | |
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| 83 | NUMB | REF | VAR | WORD) |
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| 84 | pattern_alts -> |
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| 85 | (COL_CURL) |
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| 86 | pattern -> |
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| 87 | (CHAR | LANGU | LPAR | MATCH_DIR | NUMB | |
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| 88 | REF | VAR | WORD) |
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| 89 | pattern_alt -> |
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| 90 | (LCURL) |
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| 91 | sentences -> |
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| 92 | (CHAR | COMMA | CUT | EQL | ERROR | |
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| 93 | FAIL | FENCE | LANGU | LCURL | LPAR | |
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| 94 | MATCH_DIR | NOT | NUMB | REF | SC | |
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| 95 | TRAP | VAR | WORD) |
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| 96 | alt -> |
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| 97 | (LCURL) |
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| 98 | paths -> |
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| 99 | (CHAR | COL | COL_CURL | COMMA | CUT | |
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| 100 | EQL | ERROR | FAIL | FENCE | ITER | |
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| 101 | LANGU | LCURL | LET | LPAR | NOT | |
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| 102 | NUMB | REF | SC | TRAP | VAR | |
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| 103 | WORD) |
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| 104 | exp -> |
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| 105 | (CHAR | LANGU | LPAR | NUMB | REF | |
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| 106 | VAR | WORD) |
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| 107 | exp_head -> |
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| 108 | (CHAR | LANGU | LPAR | NUMB | REF | |
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| 109 | VAR | WORD) |
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| 110 | static_symbol -> |
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| 111 | (CHAR | NUMB | WORD) |
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| 112 | names -> |
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| 113 | (WORD) |
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| 114 | name -> |
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| 115 | (WORD) |
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| 116 | |
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| 117 | |
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| 118 | The followers of nullable nonterminals: |
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| 119 | |
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| 120 | implem -> |
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| 121 | ($END) |
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| 122 | interf -> |
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| 123 | ($END) |
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| 124 | module_name -> |
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| 125 | ($END | CONST | FUNC_DECL | NATIVE | OBJ_DECL | |
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| 126 | PUBLIC | TRACE_ALL | USE | WORD) |
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| 127 | imports -> |
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| 128 | ($END | CONST | FUNC_DECL | NATIVE | OBJ_DECL | |
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| 129 | PUBLIC | TRACE_ALL | WORD) |
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| 130 | directives -> |
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| 131 | ($END) |
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| 132 | decls -> |
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| 133 | ($END) |
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| 134 | const_bindings -> |
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| 135 | (SC) |
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| 136 | const_bindings_tail -> |
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| 137 | (SC) |
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| 138 | native_sentences -> |
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| 139 | (RCURL) |
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| 140 | sentence -> |
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| 141 | (SC | WITH) |
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| 142 | path -> |
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| 143 | (SC | WITH) |
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| 144 | path_tail -> |
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| 145 | (SC | WITH) |
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| 146 | iter -> |
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| 147 | (COMMA | CUT | EQL | ERROR | FAIL | |
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| 148 | FENCE | LET | NOT | SC | TRAP | |
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| 149 | WITH) |
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| 150 | let -> |
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| 151 | (COMMA | CUT | EQL | ERROR | FAIL | |
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| 152 | FENCE | NOT | SC | TRAP | WITH) |
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| 153 | rest -> |
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| 154 | (SC | WITH) |
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| 155 | source -> |
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| 156 | (COL | COMMA | CUT | EQL | ERROR | |
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| 157 | FAIL | FENCE | ITER | LET | NOT | |
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| 158 | SC | TRAP | WITH) |
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| 159 | pattern_alts -> |
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| 160 | (COL | COMMA | CUT | EQL | ERROR | |
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| 161 | FAIL | FENCE | ITER | LET | NOT | |
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| 162 | SC | TRAP | WITH) |
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| 163 | pattern -> |
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| 164 | (COMMA | CUT | EQL | ERROR | FAIL | |
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| 165 | FENCE | NOT | SC | TRAP | WITH) |
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| 166 | sentences -> |
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| 167 | (RCURL) |
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| 168 | paths -> |
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| 169 | (RCURL) |
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| 170 | exp -> |
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| 171 | (COL | COL_CURL | COMMA | CUT | EQL | |
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| 172 | ERROR | FAIL | FENCE | ITER | LET | |
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| 173 | NOT | RANGU | RPAR | SC | TRAP | |
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| 174 | WITH) |
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| 175 | names -> |
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| 176 | (SC) |
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| 177 | |
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| 178 | |
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| 179 | *** Annotated grammar *** |
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| 180 | |
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| 181 | program |
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| 182 | : (IMPLEMENTATION) |
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| 183 | IMPLEMENTATION #implem |
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| 184 | | (INTERFACE) |
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| 185 | INTERFACE #interf |
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| 186 | ; |
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| 187 | |
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| 188 | #implem |
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| 189 | : ($END | CONST | FUNC_DECL | MODULE | NATIVE | |
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| 190 | OBJ_DECL | PUBLIC | TRACE_ALL | USE | WORD) |
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| 191 | #module_name #imports #directives |
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| 192 | ; |
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| 193 | |
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| 194 | #interf |
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| 195 | : ($END | CONST | FUNC_DECL | MODULE | OBJ_DECL | |
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| 196 | PUBLIC) |
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| 197 | #module_name #decls |
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| 198 | ; |
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| 199 | |
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| 200 | #module_name |
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| 201 | : ($END | CONST | FUNC_DECL | NATIVE | OBJ_DECL | |
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| 202 | PUBLIC | TRACE_ALL | USE | WORD) |
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| 203 | /* empty */ |
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| 204 | | (MODULE) |
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| 205 | MODULE name SC |
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| 206 | ; |
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| 207 | |
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| 208 | #imports |
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| 209 | : (USE) |
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| 210 | USE #names SC #imports |
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| 211 | | ($END | CONST | FUNC_DECL | NATIVE | OBJ_DECL | |
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| 212 | PUBLIC | TRACE_ALL | WORD) |
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| 213 | /* empty */ |
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| 214 | ; |
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| 215 | |
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| 216 | #directives |
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| 217 | : (CONST | FUNC_DECL | NATIVE | OBJ_DECL | PUBLIC | |
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| 218 | TRACE_ALL | WORD) |
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| 219 | directive SC #directives |
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| 220 | | ($END) |
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| 221 | /* empty */ |
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| 222 | ; |
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| 223 | |
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| 224 | directive |
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| 225 | : (CONST | FUNC_DECL | OBJ_DECL | PUBLIC) |
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| 226 | decl |
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| 227 | | (WORD) |
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| 228 | func_def |
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| 229 | | (NATIVE) |
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| 230 | native |
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| 231 | | (TRACE_ALL) |
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| 232 | trace_all |
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| 233 | ; |
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| 234 | |
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| 235 | #decls |
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| 236 | : (CONST | FUNC_DECL | OBJ_DECL | PUBLIC) |
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| 237 | decl SC #decls |
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| 238 | | ($END) |
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| 239 | /* empty */ |
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| 240 | ; |
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| 241 | |
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| 242 | decl |
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| 243 | : (PUBLIC) |
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| 244 | PUBLIC private_decl |
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| 245 | | (CONST | FUNC_DECL | OBJ_DECL) |
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| 246 | private_decl |
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| 247 | ; |
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| 248 | |
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| 249 | private_decl |
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| 250 | : (OBJ_DECL) |
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| 251 | obj_decl |
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| 252 | | (CONST) |
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| 253 | const_decl |
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| 254 | | (FUNC_DECL) |
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| 255 | func_decl |
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| 256 | ; |
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| 257 | |
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| 258 | obj_decl |
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| 259 | : (OBJ_DECL) |
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| 260 | OBJ_DECL #names |
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| 261 | ; |
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| 262 | |
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| 263 | const_decl |
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| 264 | : (CONST) |
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| 265 | CONST #const_bindings |
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| 266 | ; |
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| 267 | |
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| 268 | #const_bindings |
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| 269 | : (WORD) |
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| 270 | const_binding #const_bindings_tail |
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| 271 | | (SC) |
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| 272 | /* empty */ |
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| 273 | ; |
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| 274 | |
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| 275 | #const_bindings_tail |
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| 276 | : (COMMA) |
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| 277 | COMMA const_binding #const_bindings_tail |
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| 278 | | (SC) |
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| 279 | /* empty */ |
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| 280 | ; |
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| 281 | |
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| 282 | const_binding |
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| 283 | : (WORD) |
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| 284 | name EQL #exp |
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| 285 | ; |
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| 286 | |
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| 287 | func_decl |
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| 288 | : (FUNC_DECL) |
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| 289 | FUNC_DECL name #exp EQL #exp |
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| 290 | ; |
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| 291 | |
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| 292 | native |
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| 293 | : (NATIVE) |
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| 294 | NATIVE native_block |
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| 295 | ; |
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| 296 | |
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| 297 | native_block |
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| 298 | : (LCURL) |
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| 299 | LCURL #native_sentences RCURL |
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| 300 | | (WORD) |
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| 301 | native_sentence |
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| 302 | ; |
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| 303 | |
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| 304 | #native_sentences |
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| 305 | : (WORD) |
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| 306 | native_sentence SC #native_sentences |
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| 307 | | (RCURL) |
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| 308 | /* empty */ |
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| 309 | ; |
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| 310 | |
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| 311 | native_sentence |
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| 312 | : (WORD) |
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| 313 | name EQL name |
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| 314 | ; |
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| 315 | |
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| 316 | trace_all |
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| 317 | : (TRACE_ALL) |
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| 318 | TRACE_ALL |
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| 319 | ; |
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| 320 | |
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| 321 | func_def |
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| 322 | : (WORD) |
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| 323 | name #sentence |
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| 324 | ; |
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| 325 | |
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| 326 | #sentence |
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| 327 | : (LCURL) |
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| 328 | pattern_alt #pattern_alts #path_tail |
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| 329 | | (CHAR | COMMA | CUT | EQL | ERROR | |
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| 330 | FAIL | FENCE | LANGU | LPAR | MATCH_DIR | |
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| 331 | NOT | NUMB | REF | SC | TRAP | |
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| 332 | VAR | WITH | WORD) |
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| 333 | #pattern #rest |
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| 334 | ; |
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| 335 | |
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| 336 | #path |
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| 337 | : (CHAR | COL | COL_CURL | COMMA | CUT | |
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| 338 | EQL | ERROR | FAIL | FENCE | ITER | |
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| 339 | LANGU | LCURL | LET | LPAR | NOT | |
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| 340 | NUMB | REF | SC | TRAP | VAR | |
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| 341 | WITH | WORD) |
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| 342 | #source #path_tail |
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| 343 | ; |
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| 344 | |
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| 345 | #path_tail |
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| 346 | : (COL) |
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| 347 | COL #sentence |
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| 348 | | (COMMA | CUT | EQL | ERROR | FAIL | |
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| 349 | FENCE | ITER | LET | NOT | SC | |
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| 350 | TRAP | WITH) |
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| 351 | #iter #let #rest |
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| 352 | ; |
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| 353 | |
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| 354 | #iter |
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| 355 | : (ITER) |
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| 356 | ITER #source |
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| 357 | | (COMMA | CUT | EQL | ERROR | FAIL | |
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| 358 | FENCE | LET | NOT | SC | TRAP | |
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| 359 | WITH) |
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| 360 | /* empty */ |
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| 361 | ; |
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| 362 | |
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| 363 | #let |
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| 364 | : (LET) |
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| 365 | LET #exp |
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| 366 | | (COMMA | CUT | EQL | ERROR | FAIL | |
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| 367 | FENCE | NOT | SC | TRAP | WITH) |
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| 368 | /* empty */ |
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| 369 | ; |
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| 370 | |
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| 371 | #rest |
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| 372 | : (COMMA) |
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| 373 | COMMA #path |
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| 374 | | (FENCE) |
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| 375 | FENCE #path |
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| 376 | | (CUT) |
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| 377 | CUT #path |
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| 378 | | (ERROR) |
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| 379 | ERROR #path |
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| 380 | | (EQL) |
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| 381 | EQL #path |
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| 382 | | (NOT) |
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| 383 | NOT #source #rest |
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| 384 | | (FAIL) |
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| 385 | FAIL |
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| 386 | | (TRAP) |
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| 387 | TRAP #path WITH #sentence |
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| 388 | | (SC | WITH) |
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| 389 | /* empty */ |
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| 390 | ; |
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| 391 | |
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| 392 | #source |
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| 393 | : (LCURL) |
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| 394 | alt #pattern_alts |
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| 395 | | (CHAR | COL | COL_CURL | COMMA | CUT | |
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| 396 | EQL | ERROR | FAIL | FENCE | ITER | |
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| 397 | LANGU | LET | LPAR | NOT | NUMB | |
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| 398 | REF | SC | TRAP | VAR | WITH | |
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| 399 | WORD) |
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| 400 | #exp #pattern_alts |
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| 401 | ; |
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| 402 | |
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| 403 | #pattern_alts |
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| 404 | : (COL_CURL) |
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| 405 | COL_CURL pattern_alt #pattern_alts |
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| 406 | | (COL | COMMA | CUT | EQL | ERROR | |
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| 407 | FAIL | FENCE | ITER | LET | NOT | |
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| 408 | SC | TRAP | WITH) |
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| 409 | /* empty */ |
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| 410 | ; |
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| 411 | |
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| 412 | #pattern |
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| 413 | : (MATCH_DIR) |
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| 414 | MATCH_DIR #exp |
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| 415 | | (CHAR | COMMA | CUT | EQL | ERROR | |
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| 416 | FAIL | FENCE | LANGU | LPAR | NOT | |
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| 417 | NUMB | REF | SC | TRAP | VAR | |
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| 418 | WITH | WORD) |
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| 419 | #exp |
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| 420 | ; |
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| 421 | |
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| 422 | pattern_alt |
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| 423 | : (LCURL) |
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| 424 | LCURL #sentences RCURL |
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| 425 | ; |
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| 426 | |
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| 427 | #sentences |
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| 428 | : (CHAR | COMMA | CUT | EQL | ERROR | |
|---|
| 429 | FAIL | FENCE | LANGU | LCURL | LPAR | |
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| 430 | MATCH_DIR | NOT | NUMB | REF | SC | |
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| 431 | TRAP | VAR | WORD) |
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| 432 | #sentence SC #sentences |
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| 433 | | (RCURL) |
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| 434 | /* empty */ |
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| 435 | ; |
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| 436 | |
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| 437 | alt |
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| 438 | : (LCURL) |
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| 439 | LCURL #paths RCURL |
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| 440 | ; |
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| 441 | |
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| 442 | #paths |
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| 443 | : (CHAR | COL | COL_CURL | COMMA | CUT | |
|---|
| 444 | EQL | ERROR | FAIL | FENCE | ITER | |
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| 445 | LANGU | LCURL | LET | LPAR | NOT | |
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| 446 | NUMB | REF | SC | TRAP | VAR | |
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| 447 | WORD) |
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| 448 | #path SC #paths |
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| 449 | | (RCURL) |
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| 450 | /* empty */ |
|---|
| 451 | ; |
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| 452 | |
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| 453 | #exp |
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| 454 | : (CHAR | LANGU | LPAR | NUMB | REF | |
|---|
| 455 | VAR | WORD) |
|---|
| 456 | exp_head #exp |
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| 457 | | (COL | COL_CURL | COMMA | CUT | EQL | |
|---|
| 458 | ERROR | FAIL | FENCE | ITER | LET | |
|---|
| 459 | NOT | RANGU | RPAR | SC | TRAP | |
|---|
| 460 | WITH) |
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| 461 | /* empty */ |
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| 462 | ; |
|---|
| 463 | |
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| 464 | exp_head |
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| 465 | : (REF) |
|---|
| 466 | REF name |
|---|
| 467 | | (CHAR | NUMB | WORD) |
|---|
| 468 | static_symbol |
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| 469 | | (LPAR) |
|---|
| 470 | LPAR #exp RPAR |
|---|
| 471 | | (VAR) |
|---|
| 472 | VAR |
|---|
| 473 | | (LANGU) |
|---|
| 474 | LANGU name #exp RANGU |
|---|
| 475 | ; |
|---|
| 476 | |
|---|
| 477 | static_symbol |
|---|
| 478 | : (CHAR) |
|---|
| 479 | CHAR |
|---|
| 480 | | (WORD) |
|---|
| 481 | WORD |
|---|
| 482 | | (NUMB) |
|---|
| 483 | NUMB |
|---|
| 484 | ; |
|---|
| 485 | |
|---|
| 486 | #names |
|---|
| 487 | : (WORD) |
|---|
| 488 | name #names |
|---|
| 489 | | (SC) |
|---|
| 490 | /* empty */ |
|---|
| 491 | ; |
|---|
| 492 | |
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| 493 | name |
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| 494 | : (WORD) |
|---|
| 495 | WORD |
|---|
| 496 | ; |
|---|
| 497 | |
|---|
