comparison: src/variables.cxx
src/variables.cxx
- changeset 73
- 1ee9b312dc18
- parent 72
- 03e4d9db3fd9
- child 74
- 007fbadfa7f9
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| 72:03e4d9db3fd9 | 73:1ee9b312dc18 |
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| 1 /* | 1 /* |
| 2 * botc source code | 2 Copyright (c) 2013-2014, Santeri Piippo |
| 3 * Copyright (C) 2012 Santeri `Dusk` Piippo | 3 All rights reserved. |
| 4 * All rights reserved. | 4 |
| 5 * | 5 Redistribution and use in source and binary forms, with or without |
| 6 * Redistribution and use in source and binary forms, with or without | 6 modification, are permitted provided that the following conditions are met: |
| 7 * modification, are permitted provided that the following conditions are met: | 7 |
| 8 * | 8 * Redistributions of source code must retain the above copyright |
| 9 * 1. Redistributions of source code must retain the above copyright notice, | 9 notice, this list of conditions and the following disclaimer. |
| 10 * this list of conditions and the following disclaimer. | 10 |
| 11 * 2. Redistributions in binary form must reproduce the above copyright notice, | 11 * Redistributions in binary form must reproduce the above copyright |
| 12 * this list of conditions and the following disclaimer in the documentation | 12 notice, this list of conditions and the following disclaimer in the |
| 13 * and/or other materials provided with the distribution. | 13 documentation and/or other materials provided with the distribution. |
| 14 * 3. Neither the name of the developer nor the names of its contributors may | 14 |
| 15 * be used to endorse or promote products derived from this software without | 15 * Neither the name of the <organization> nor the |
| 16 * specific prior written permission. | 16 names of its contributors may be used to endorse or promote products |
| 17 * 4. Redistributions in any form must be accompanied by information on how to | 17 derived from this software without specific prior written permission. |
| 18 * obtain complete source code for the software and any accompanying | 18 |
| 19 * software that uses the software. The source code must either be included | 19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 20 * in the distribution or be available for no more than the cost of | 20 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 21 * distribution plus a nominal fee, and must be freely redistributable | 21 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 22 * under reasonable conditions. For an executable file, complete source | 22 DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY |
| 23 * code means the source code for all modules it contains. It does not | 23 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 24 * include source code for modules or files that typically accompany the | 24 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 25 * major components of the operating system on which the executable file | 25 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 26 * runs. | 26 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * | 27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | 28 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 29 */ |
| 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 38 * POSSIBILITY OF SUCH DAMAGE. | |
| 39 */ | |
| 40 | 30 |
| 41 #include <stdio.h> | 31 #include <stdio.h> |
| 42 #include <stdlib.h> | 32 #include <stdlib.h> |
| 43 #include <string.h> | 33 #include <string.h> |
| 44 #include "main.h" | 34 #include "main.h" |
| 45 #include "containers.h" | 35 #include "containers.h" |
| 46 #include "bots.h" | 36 #include "bots.h" |
| 47 #include "botcommands.h" | 37 #include "object_writer.h" |
| 48 #include "objwriter.h" | |
| 49 #include "stringtable.h" | 38 #include "stringtable.h" |
| 50 #include "variables.h" | 39 #include "variables.h" |
| 51 #include "scriptreader.h" | 40 #include "parser.h" |
| 52 | 41 |
| 53 list<ScriptVar> g_GlobalVariables; | 42 list<script_variable> g_GlobalVariables; |
| 54 list<ScriptVar> g_LocalVariables; | 43 list<script_variable> g_LocalVariables; |
| 55 | 44 |
| 56 // ============================================================================ | 45 // ============================================================================ |
| 57 // Tries to declare a new global-scope variable. Returns pointer | 46 // Tries to declare a new global-scope variable. Returns pointer |
| 58 // to new global variable, null if declaration failed. | 47 // to new global variable, null if declaration failed. |
| 59 ScriptVar* DeclareGlobalVariable (ScriptReader* r, type_e type, string name) { | 48 script_variable* DeclareGlobalVariable (botscript_parser* r, type_e type, string name) |
| 49 { | |
| 60 // Unfortunately the VM does not support string variables so yeah. | 50 // Unfortunately the VM does not support string variables so yeah. |
| 61 if (type == TYPE_STRING) | 51 if (type == TYPE_STRING) |
| 62 r->ParserError ("variables cannot be string\n"); | 52 error ("variables cannot be string\n"); |
| 63 | 53 |
| 64 // Check that the variable is valid | 54 // Check that the variable is valid |
| 65 if (FindCommand (name)) | 55 if (FindCommand (name)) |
| 66 r->ParserError ("name of variable-to-be `%s` conflicts with that of a command", name.chars()); | 56 error ("name of variable-to-be `%s` conflicts with that of a command", name.chars()); |
| 67 | 57 |
| 68 if (IsKeyword (name)) | 58 if (IsKeyword (name)) |
| 69 r->ParserError ("name of variable-to-be `%s` is a keyword", name.chars()); | 59 error ("name of variable-to-be `%s` is a keyword", name.chars()); |
| 70 | 60 |
| 71 if (g_GlobalVariables.size() >= MAX_SCRIPT_VARIABLES) | 61 if (g_GlobalVariables.size() >= MAX_SCRIPT_VARIABLES) |
| 72 r->ParserError ("too many global variables!"); | 62 error ("too many global variables!"); |
| 73 | 63 |
| 74 for (uint i = 0; i < g_GlobalVariables.size(); i++) | 64 for (int i = 0; i < g_GlobalVariables.size(); i++) |
| 75 if (g_GlobalVariables[i].name == name) | 65 if (g_GlobalVariables[i].name == name) |
| 76 r->ParserError ("attempted redeclaration of global variable `%s`", name.chars()); | 66 error ("attempted redeclaration of global variable `%s`", name.chars()); |
| 77 | 67 |
| 78 ScriptVar g; | 68 script_variable g; |
| 79 g.index = g_GlobalVariables.size(); | 69 g.index = g_GlobalVariables.size(); |
| 80 g.name = name; | 70 g.name = name; |
| 81 g.statename = ""; | 71 g.statename = ""; |
| 82 g.value = 0; | 72 g.value = 0; |
| 83 g.type = type; | 73 g.type = type; |
| 84 | 74 |
| 85 g_GlobalVariables << g; | 75 g_GlobalVariables << g; |
| 86 return &g_GlobalVariables[g.index]; | 76 return &g_GlobalVariables[g.index]; |
| 87 } | 77 } |
| 88 | 78 |
| 89 // ============================================================================ | 79 // ============================================================================ |
| 90 // Find a global variable by name | 80 // Find a global variable by name |
| 91 ScriptVar* FindGlobalVariable (string name) { | 81 script_variable* FindGlobalVariable (string name) |
| 92 for (uint i = 0; i < g_GlobalVariables.size(); i++) { | 82 { |
| 93 ScriptVar* g = &g_GlobalVariables[i]; | 83 for (int i = 0; i < g_GlobalVariables.size(); i++) |
| 84 { | |
| 85 script_variable* g = &g_GlobalVariables[i]; | |
| 86 | |
| 94 if (g->name == name) | 87 if (g->name == name) |
| 95 return g; | 88 return g; |
| 96 } | 89 } |
| 97 | 90 |
| 98 return null; | 91 return null; |
| 99 } | 92 } |
| 100 | 93 |
| 101 // ============================================================================ | 94 // ============================================================================ |
| 102 // Count all declared global variables | 95 // Count all declared global variables |
| 103 uint CountGlobalVars () { | 96 int CountGlobalVars () |
| 97 { | |
| 104 return g_GlobalVariables.size(); | 98 return g_GlobalVariables.size(); |
| 105 } | 99 } |
