comparison: scriptreader.cxx
scriptreader.cxx
- changeset 7
- 118d3d5db64f
- parent 3
- 08cab2b67dce
- child 8
- c8bfa7e6ae1b
equal
deleted
inserted
replaced
| 6:0005527cad62 | 7:118d3d5db64f |
|---|---|
| 51 return true; | 51 return true; |
| 52 | 52 |
| 53 return false; | 53 return false; |
| 54 } | 54 } |
| 55 | 55 |
| 56 ScriptReader::ScriptReader (char* path) { | 56 ScriptReader::ScriptReader (str path) { |
| 57 atnewline = false; | |
| 58 filepath = path; | |
| 57 if (!(fp = fopen (path, "r"))) { | 59 if (!(fp = fopen (path, "r"))) { |
| 58 error ("couldn't open %s for reading!\n", path); | 60 error ("couldn't open %s for reading!\n", path.chars ()); |
| 59 exit (1); | 61 exit (1); |
| 60 } | 62 } |
| 61 | 63 |
| 62 curline = 1; | 64 curline = 1; |
| 63 pos = 0; | 65 pos = 0; |
| 71 char ScriptReader::ReadChar () { | 73 char ScriptReader::ReadChar () { |
| 72 char* c = (char*)malloc (sizeof (char)); | 74 char* c = (char*)malloc (sizeof (char)); |
| 73 if (!fread (c, sizeof (char), 1, fp)) | 75 if (!fread (c, sizeof (char), 1, fp)) |
| 74 return 0; | 76 return 0; |
| 75 | 77 |
| 76 // If we just read a new line, increase current line number counter. | 78 // We're at a newline, thus next char read will begin the next line |
| 79 if (atnewline) { | |
| 80 atnewline = false; | |
| 81 curline++; | |
| 82 } | |
| 83 | |
| 77 if (c[0] == '\n') | 84 if (c[0] == '\n') |
| 78 curline++; | 85 atnewline = true; |
| 79 | 86 |
| 80 return c[0]; | 87 return c[0]; |
| 81 } | 88 } |
| 82 | 89 |
| 83 // true if was found, false if not. | 90 // true if was found, false if not. |
| 155 } | 162 } |
| 156 | 163 |
| 157 void ScriptReader::MustNext (const char* c) { | 164 void ScriptReader::MustNext (const char* c) { |
| 158 if (!Next()) { | 165 if (!Next()) { |
| 159 if (strlen (c)) | 166 if (strlen (c)) |
| 160 ParseError ("expected `%s`, reached end of file instead\n", c); | 167 ParserError ("expected `%s`, reached end of file instead\n", c); |
| 161 else | 168 else |
| 162 ParseError ("expected a token, reached end of file instead\n"); | 169 ParserError ("expected a token, reached end of file instead\n"); |
| 163 } | 170 } |
| 164 | 171 |
| 165 if (strlen (c) && token.compare (c) != 0) { | 172 if (strlen (c) && token.compare (c) != 0) { |
| 166 ParseError ("expected `%s`, got `%s` instead", c, token.chars()); | 173 ParserError ("expected `%s`, got `%s` instead", c, token.chars()); |
| 167 } | 174 } |
| 168 } | 175 } |
| 169 | 176 |
| 170 void ScriptReader::ParseError (const char* message, ...) { | 177 void ScriptReader::ParserError (const char* message, ...) { |
| 171 PERFORM_FORMAT (message, outmessage); | 178 PERFORM_FORMAT (message, outmessage); |
| 172 error ("Parse error on line %d:\n%s\n", curline, outmessage); | 179 ParserMessage ("\nParse error\n", outmessage); |
| 180 exit (1); | |
| 173 } | 181 } |
| 182 | |
| 183 void ScriptReader::ParserWarning (const char* message, ...) { | |
| 184 PERFORM_FORMAT (message, outmessage); | |
| 185 ParserMessage ("Warning: ", outmessage); | |
| 186 } | |
| 187 | |
| 188 void ScriptReader::ParserMessage (const char* header, char* message) { | |
| 189 fprintf (stderr, "%sIn file %s, on line %d: %s\n", | |
| 190 header, filepath.chars(), curline, message); | |
| 191 } |
