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#include "scripting.h"
void handle_tcc_error(void* opaque, const char* msg)
{
TraceLog(LOG_ERROR, msg);
}
void initScripting(SldjScripting* scripting)
{
*scripting = (SldjScripting){
.state = NULL,
.lineScanner = NULL,
.fileBuf = NULL,
.fileSize = 0
};
}
void compileScript(SldjScripting* scripting, const char filePath[SLDJ_NAMEMAX])
{
// Get file size.
struct stat fileState;
if (stat(filePath, &fileState) < 0)
{
TraceLog(LOG_ERROR, strerror(errno));
return;
}
scripting->fileSize = fileState.st_size;
// Load file information into a buffer.
if (scripting->fileBuf == NULL)
{
scripting->fileBuf = (char*)malloc(scripting->fileSize);
} else {
scripting->fileBuf = (char*)realloc(scripting->fileBuf, scripting->fileSize);
}
if (scripting->fileBuf == NULL)
{
TraceLog(LOG_ERROR, strerror(errno));
return;
}
FILE* file = fopen(filePath, "r");
if (file == NULL)
{
TraceLog(LOG_ERROR, strerror(errno));
return;
}
fread(scripting->fileBuf, scripting->fileSize, 1, file);
scripting->fileBuf[scripting->fileSize - 1] = '\0';
fclose(file);
// Setup compiler.
if (scripting->state != NULL)
{
tcc_delete(scripting->state);
}
scripting->state = tcc_new();
if (scripting->state == NULL)
{
TraceLog(LOG_ERROR, "Could not open tcc state");
return;
}
tcc_set_error_func(scripting->state, stderr, handle_tcc_error);
tcc_set_output_type(scripting->state, TCC_OUTPUT_MEMORY);
// Compile.
if (tcc_compile_string(scripting->state, scripting->fileBuf) < 0)
{
return;
}
if (tcc_relocate(scripting->state) < 0)
{
return;
}
scripting->lineScanner = tcc_get_symbol(scripting->state, "lineScanner");
}
void closeScripting(SldjScripting* scripting)
{
if (scripting->state != NULL)
{
tcc_delete(scripting->state);
}
if (scripting->fileBuf != NULL)
{
free(scripting->fileBuf);
}
}
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