comparison: parser.cxx
parser.cxx
- changeset 7
- 118d3d5db64f
- parent 3
- 08cab2b67dce
- child 8
- c8bfa7e6ae1b
equal
deleted
inserted
replaced
| 6:0005527cad62 | 7:118d3d5db64f |
|---|---|
| 49 #include "events.h" | 49 #include "events.h" |
| 50 | 50 |
| 51 #define TOKEN_CHARS token.chars() | 51 #define TOKEN_CHARS token.chars() |
| 52 #define TOKEN_IS(s) !token.compare (s) | 52 #define TOKEN_IS(s) !token.compare (s) |
| 53 #define MUST_TOPLEVEL if (g_CurMode != MODE_TOPLEVEL) \ | 53 #define MUST_TOPLEVEL if (g_CurMode != MODE_TOPLEVEL) \ |
| 54 ParseError ("%ss may only be defined at top level!", token.chars()); | 54 ParserError ("%ss may only be defined at top level!", token.chars()); |
| 55 | 55 |
| 56 int g_NumStates = 0; | 56 int g_NumStates = 0; |
| 57 int g_NumEvents = 0; | 57 int g_NumEvents = 0; |
| 58 int g_CurMode = MODE_TOPLEVEL; | 58 int g_CurMode = MODE_TOPLEVEL; |
| 59 str g_CurState = ""; | 59 str g_CurState = ""; |
| 64 if (TOKEN_IS ("#include")) { | 64 if (TOKEN_IS ("#include")) { |
| 65 MustNext (); | 65 MustNext (); |
| 66 // First ensure that the file can be opened | 66 // First ensure that the file can be opened |
| 67 FILE* newfile = fopen (token.chars(), "r"); | 67 FILE* newfile = fopen (token.chars(), "r"); |
| 68 if (!newfile) | 68 if (!newfile) |
| 69 ParseError ("couldn't open included file `%s`!", token.chars()); | 69 ParserError ("couldn't open included file `%s`!", token.chars()); |
| 70 fclose (newfile); | 70 fclose (newfile); |
| 71 ScriptReader* newreader = new ScriptReader (token.chars()); | 71 ScriptReader* newreader = new ScriptReader (token.chars()); |
| 72 newreader->BeginParse (w); | 72 newreader->BeginParse (w); |
| 73 } else if (TOKEN_IS ("state")) { | 73 } else if (TOKEN_IS ("state")) { |
| 74 MUST_TOPLEVEL | 74 MUST_TOPLEVEL |
| 77 | 77 |
| 78 str statename = token; | 78 str statename = token; |
| 79 | 79 |
| 80 // State name must be a word. | 80 // State name must be a word. |
| 81 if (statename.first (" ") != statename.len()) | 81 if (statename.first (" ") != statename.len()) |
| 82 ParseError ("state name must be a single word! got `%s`", (char*)statename); | 82 ParserError ("state name must be a single word! got `%s`", (char*)statename); |
| 83 | 83 |
| 84 // Must end in a colon | 84 // Must end in a colon |
| 85 MustNext (":"); | 85 MustNext (":"); |
| 86 | 86 |
| 87 w->Write (DH_STATENAME); | 87 w->Write (DH_STATENAME); |
| 98 // Event definition | 98 // Event definition |
| 99 MustNext (); | 99 MustNext (); |
| 100 | 100 |
| 101 EventDef* e = FindEventByName (token); | 101 EventDef* e = FindEventByName (token); |
| 102 if (!e) | 102 if (!e) |
| 103 ParseError ("bad event! got `%s`\n", token.chars()); | 103 ParserError ("bad event! got `%s`\n", token.chars()); |
| 104 | 104 |
| 105 MustNext ("{"); | 105 MustNext ("{"); |
| 106 | 106 |
| 107 g_CurMode = MODE_EVENT; | 107 g_CurMode = MODE_EVENT; |
| 108 | 108 |
| 116 // Brace closes event. | 116 // Brace closes event. |
| 117 w->Write (DH_ENDEVENT); | 117 w->Write (DH_ENDEVENT); |
| 118 g_CurMode = MODE_TOPLEVEL; | 118 g_CurMode = MODE_TOPLEVEL; |
| 119 break; | 119 break; |
| 120 default: | 120 default: |
| 121 ParseError ("unexpected `}`"); | 121 ParserError ("unexpected `}`"); |
| 122 } | 122 } |
| 123 } else { | 123 } else { |
| 124 ParseError ("unknown keyword `%s`!", TOKEN_CHARS); | 124 ParserError ("unknown keyword `%s`!", TOKEN_CHARS); |
| 125 } | 125 } |
| 126 } | 126 } |
| 127 | 127 |
| 128 if (g_CurMode != MODE_TOPLEVEL) | 128 if (g_CurMode != MODE_TOPLEVEL) |
| 129 ParseError ("script did not end at top level! did you forget a `}`?\n"); | 129 ParserError ("script did not end at top level! did you forget a `}`?\n"); |
| 130 | 130 |
| 131 /* | 131 /* |
| 132 // State | 132 // State |
| 133 w->WriteState ("stateSpawn"); | 133 w->WriteState ("stateSpawn"); |
| 134 | 134 |
