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Check for shaders without closing brace

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Shaders without closing brace can eat shaders in other files.
Pass depth to SkipBracedSection instead of reparsing text as it messed up parse line numbers.
This commit is contained in:
Zack Middleton 2013-06-02 21:55:19 -05:00
parent c0a21d0898
commit 3ec2b02dce
4 changed files with 41 additions and 21 deletions
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26
code/renderergl2/tr_shader.c
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@ -3018,7 +3018,7 @@ static char *FindShaderInShaderText( const char *shadername ) {
}
else {
// skip the definition
SkipBracedSection( &p );
SkipBracedSection( &p, 0 );
}
}
@ -3542,6 +3542,8 @@ static void ScanAndLoadShaderFiles( void )
int i;
char *oldp, *token, *hashMem, *textEnd;
int shaderTextHashTableSizes[MAX_SHADERTEXT_HASH], hash, size;
char shaderName[MAX_QPATH];
int shaderLine;
long sum = 0, summand;
// scan for shader files
@ -3585,15 +3587,17 @@ static void ScanAndLoadShaderFiles( void )
// Do a simple check on the shader structure in that file to make sure one bad shader file cannot fuck up all other shaders.
p = buffers[i];
COM_BeginParseSession(filename);
while(1)
{
token = COM_ParseExt(&p, qtrue);
if(!*token)
break;
oldp = p;
Q_strncpyz(shaderName, token, sizeof(shaderName));
shaderLine = COM_GetCurrentParseLine();
token = COM_ParseExt(&p, qtrue);
if(token[0] != '{' || token[1] != '\0')
{
@ -3603,8 +3607,14 @@ static void ScanAndLoadShaderFiles( void )
break;
}
SkipBracedSection(&oldp);
p = oldp;
if(!SkipBracedSection(&p, 1))
{
ri.Printf(PRINT_WARNING, "WARNING: Ignoring shader file %s. Shader \"%s\" on line %d missing closing brace.\n",
filename, shaderName, shaderLine);
ri.FS_FreeFile(buffers[i]);
buffers[i] = NULL;
break;
}
}
@ -3648,7 +3658,7 @@ static void ScanAndLoadShaderFiles( void )
hash = generateHashValue(token, MAX_SHADERTEXT_HASH);
shaderTextHashTableSizes[hash]++;
size++;
SkipBracedSection(&p);
SkipBracedSection(&p, 0);
}
size += MAX_SHADERTEXT_HASH;
@ -3674,7 +3684,7 @@ static void ScanAndLoadShaderFiles( void )
hash = generateHashValue(token, MAX_SHADERTEXT_HASH);
shaderTextHashTable[hash][shaderTextHashTableSizes[hash]++] = oldp;
SkipBracedSection(&p);
SkipBracedSection(&p, 0);
}
return;