| 1 | /* Syntactic analyzer */ |
| 2 | |
| 3 | #include <stdbool.h> |
| 4 | #include <stdarg.h> |
| 5 | #include <stdlib.h> |
| 6 | |
| 7 | #include "global_vars.h" |
| 8 | #include "lexical_analyzer.h" |
| 9 | #include "print_helper.h" |
| 10 | |
| 11 | #define PRINT_TOKEN 0 |
| 12 | |
| 13 | /* Syntactic analyzer functions implementation */ |
| 14 | |
| 15 | enum TokenType tokenType; |
| 16 | |
| 17 | static void analyze_TEXT() { |
| 18 | #if DEBUG |
| 19 | fprintf(stdout, "entering %s\n", __func__); |
| 20 | #endif |
| 21 | if (tokenType == MOT) { |
| 22 | scanner(); |
| 23 | if (target != NULL) { |
| 24 | fputws((const wchar_t*)token[tokenFound].value, target); |
| 25 | fputws(L" ", target); |
| 26 | } |
| 27 | #if PRINT_TOKEN |
| 28 | wprint_token_stdout(); |
| 29 | #endif |
| 30 | token[tokenFound].type = tokenTypestr[tokenType]; |
| 31 | tokenFound++; |
| 32 | analyze_TEXT(); |
| 33 | } else if (tokenType != MOTCLE && tokenType != NPARA && tokenType != SECTION && \ |
| 34 | tokenType != SSECTION && tokenType != FIN) { |
| 35 | fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); |
| 36 | fflush(stderr); |
| 37 | exit(EXIT_FAILURE); |
| 38 | } |
| 39 | #if DEBUG |
| 40 | fprintf(stdout, "leaving %s\n", __func__); |
| 41 | #endif |
| 42 | } |
| 43 | |
| 44 | static void analyze_P() { |
| 45 | #if DEBUG |
| 46 | fprintf(stdout, "entering %s\n", __func__); |
| 47 | #endif |
| 48 | if (tokenType == NPARA) { |
| 49 | scanner(); |
| 50 | #if PRINT_TOKEN |
| 51 | wprint_token_stdout(); |
| 52 | #endif |
| 53 | if (target != NULL) { |
| 54 | fputws(L"<p>\n", target); |
| 55 | fputws((const wchar_t*)token[tokenFound].value, target); |
| 56 | fputws(L" ", target); |
| 57 | } |
| 58 | token[tokenFound].type = tokenTypestr[tokenType]; |
| 59 | tokenFound++; |
| 60 | if (tokenType == MOT) { |
| 61 | scanner(); |
| 62 | #if PRINT_TOKEN |
| 63 | wprint_token_stdout(); |
| 64 | #endif |
| 65 | if (target != NULL) { |
| 66 | fputws((const wchar_t*)token[tokenFound].value, target); |
| 67 | fputws(L" ", target); |
| 68 | } |
| 69 | token[tokenFound].type = tokenTypestr[tokenType]; |
| 70 | tokenFound++; |
| 71 | analyze_TEXT(); |
| 72 | if (target != NULL) { |
| 73 | fputws(L"\n</p>\n", target); |
| 74 | } |
| 75 | analyze_P(); |
| 76 | } else if (tokenType != SECTION && tokenType != SSECTION && tokenType != FIN) { |
| 77 | fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); |
| 78 | fflush(stderr); |
| 79 | exit(EXIT_FAILURE); |
| 80 | } |
| 81 | } |
| 82 | #if DEBUG |
| 83 | fprintf(stdout, "leaving %s\n", __func__); |
| 84 | #endif |
| 85 | } |
| 86 | |
| 87 | static void analyze_HEAD() { |
| 88 | #if DEBUG |
| 89 | fprintf(stdout, "entering %s\n", __func__); |
| 90 | #endif |
| 91 | if (tokenType == MOTCLE) { |
| 92 | scanner(); |
| 93 | #if PRINT_TOKEN |
| 94 | wprint_token_stdout(); |
| 95 | #endif /* PRINT_TOKEN */ |
| 96 | token[tokenFound].type = tokenTypestr[tokenType]; |
| 97 | tokenFound++; |
| 98 | //FIXME: Check if the MOTCLE token value is set to >Titre |
| 99 | if (target != NULL) { |
| 100 | fputws(L"<title>\n", target); |
| 101 | fputws((const wchar_t*)token[tokenFound].value, target); |
| 102 | fputws(L" ", target); |
| 103 | } |
| 104 | analyze_TEXT(); |
| 105 | if (target != NULL) { |
| 106 | fputws(L"\n</title>\n", target); |
| 107 | } |
| 108 | if (tokenType == MOTCLE) { |
| 109 | scanner(); |
| 110 | #if PRINT_TOKEN |
| 111 | wprint_token_stdout(); |
| 112 | #endif /* PRINT_TOKEN */ |
| 113 | token[tokenFound].type = tokenTypestr[tokenType]; |
| 114 | tokenFound++; |
| 115 | //The text contain the author |
| 116 | analyze_TEXT(); |
| 117 | } else if (tokenType != NPARA && tokenType != SECTION && tokenType != FIN) { |
| 118 | fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); |
| 119 | fflush(stderr); |
| 120 | exit(EXIT_FAILURE); |
| 121 | } |
| 122 | } |
| 123 | #if DEBUG |
| 124 | fprintf(stdout, "leaving %s\n", __func__); |
| 125 | #endif |
| 126 | } |
| 127 | |
| 128 | static void analyze_H1() { |
| 129 | #if DEBUG |
| 130 | fprintf(stdout, "entering %s\n", __func__); |
| 131 | #endif |
| 132 | if (tokenType == SECTION) { |
| 133 | scanner(); |
| 134 | #if PRINT_TOKEN |
| 135 | wprint_token_stdout(); |
| 136 | #endif /* PRINT_TOKEN */ |
| 137 | if (target != NULL) { |
| 138 | fputws(L"<h1>\n", target); |
| 139 | fputws((const wchar_t*)token[tokenFound].value, target); |
| 140 | fputws(L" ", target); |
| 141 | } |
| 142 | token[tokenFound].type = tokenTypestr[tokenType]; |
| 143 | tokenFound++; |
| 144 | analyze_TEXT(); |
| 145 | if (target != NULL) { |
| 146 | fputws(L"\n</h1>\n", target); |
| 147 | } |
| 148 | } |
| 149 | #if DEBUG |
| 150 | fprintf(stdout, "leaving %s\n", __func__); |
| 151 | #endif |
| 152 | } |
| 153 | |
| 154 | static void analyze_H2() { |
| 155 | #if DEBUG |
| 156 | fprintf(stdout, "entering %s\n", __func__); |
| 157 | #endif |
| 158 | if (tokenType == SSECTION) { |
| 159 | scanner(); |
| 160 | #if PRINT_TOKEN |
| 161 | wprint_token_stdout(); |
| 162 | #endif /* PRINT_TOKEN */ |
| 163 | if (target != NULL) { |
| 164 | fputws(L"<h2>\n", target); |
| 165 | fputws((const wchar_t*)token[tokenFound].value, target); |
| 166 | fputws(L" ", target); |
| 167 | } |
| 168 | token[tokenFound].type = tokenTypestr[tokenType]; |
| 169 | tokenFound++; |
| 170 | analyze_TEXT(); |
| 171 | if (target != NULL) { |
| 172 | fputws(L"\n</h2>\n", target); |
| 173 | } |
| 174 | } |
| 175 | #if DEBUG |
| 176 | fprintf(stdout, "leaving %s\n", __func__); |
| 177 | #endif |
| 178 | } |
| 179 | |
| 180 | static void analyze_S2() { |
| 181 | #if DEBUG |
| 182 | fprintf(stdout, "entering %s\n", __func__); |
| 183 | #endif |
| 184 | //FIXME: This test is probably useless |
| 185 | if (tokenType == SSECTION) { |
| 186 | analyze_H2(); |
| 187 | analyze_P(); |
| 188 | analyze_S2(); |
| 189 | } else if (tokenType != SECTION && tokenType != FIN) { |
| 190 | fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); |
| 191 | fflush(stderr); |
| 192 | exit(EXIT_FAILURE); |
| 193 | } |
| 194 | #if DEBUG |
| 195 | fprintf(stdout, "leaving %s\n", __func__); |
| 196 | #endif |
| 197 | } |
| 198 | |
| 199 | static void analyze_S1() { |
| 200 | #if DEBUG |
| 201 | fprintf(stdout, "entering %s\n", __func__); |
| 202 | #endif |
| 203 | //FIXME: This test is probably useless |
| 204 | if (tokenType == SECTION) { |
| 205 | analyze_H1(); |
| 206 | analyze_P(); |
| 207 | analyze_S2(); |
| 208 | analyze_S1(); |
| 209 | } else if (tokenType != FIN) { |
| 210 | fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); |
| 211 | fflush(stderr); |
| 212 | exit(EXIT_FAILURE); |
| 213 | } |
| 214 | #if DEBUG |
| 215 | fprintf(stdout, "leaving %s\n", __func__); |
| 216 | #endif |
| 217 | } |
| 218 | |
| 219 | static void analyze_BODY() { |
| 220 | #if DEBUG |
| 221 | fprintf(stdout, "entering %s\n", __func__); |
| 222 | #endif |
| 223 | analyze_P(); |
| 224 | analyze_S1(); |
| 225 | #if DEBUG |
| 226 | fprintf(stdout, "leaving %s\n", __func__); |
| 227 | #endif |
| 228 | } |
| 229 | |
| 230 | void analyze_AXIOME() { |
| 231 | #if DEBUG |
| 232 | fprintf(stdout, "entering %s\n", __func__); |
| 233 | #endif |
| 234 | scanner(); |
| 235 | /* print the lexical analysis result */ |
| 236 | #if PRINT_TOKEN |
| 237 | wprint_token_stdout(); |
| 238 | #endif /* PRINT_TOKEN */ |
| 239 | token[tokenFound].type = tokenTypestr[tokenType]; |
| 240 | tokenFound++; |
| 241 | if (target != NULL) { |
| 242 | fputws(L"<head>\n", target); |
| 243 | } |
| 244 | analyze_HEAD(); |
| 245 | if (target != NULL) { |
| 246 | fputws(L"\n</head>\n", target); |
| 247 | } |
| 248 | if (target != NULL) { |
| 249 | fputws(L"<body>\n", target); |
| 250 | } |
| 251 | analyze_BODY(); |
| 252 | if (target != NULL) { |
| 253 | fputws(L"\n<body>\n", target); |
| 254 | } |
| 255 | if (tokenType != FIN) { |
| 256 | fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); |
| 257 | fflush(stderr); |
| 258 | exit(EXIT_FAILURE); |
| 259 | } |
| 260 | fprintf(stdout, "successful syntactic analysis\n"); |
| 261 | #if DEBUG |
| 262 | fprintf(stdout, "leaving %s\n", __func__); |
| 263 | #endif |
| 264 | fflush(stdout); |
| 265 | } |