daScript/src/builtin/module_file_access.cpp at master · WhyNot135/daScript · GitHub

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#include "daScript/misc/platform.h"

#include "daScript/ast/ast.h"

#include "daScript/simulate/debug_info.h"

#if !defined(DAS_NO_FILEIO)

#include <sys/stat.h>

#endif

das::Context * get_context ( int stackSize=0 );

namespace das {

ModuleFileAccess::ModuleFileAccess() {

}

ModuleFileAccess::~ModuleFileAccess() {

if (context) delete context;

}

ModuleFileAccess::ModuleFileAccess ( const string & pak, const ProgramPtr & program ) {

TextWriter tout;

if ( program ) {

if ( program->failed() ) {

for ( auto & err : program->errors ) {

tout << reportError(err.at, err.what, err.extra, err.fixme, err.cerr );

}

DAS_FATAL_ERROR("failed to compile: %s\n%s\n", pak.c_str(), tout.str().c_str());

} else {

context = get_context(program->getContextStackSize());

if ( !program->simulate(*context, tout) ) {

tout << "failed to simulate\n";

for ( auto & err : program->errors ) {

tout << reportError(err.at, err.what, err.extra, err.fixme, err.cerr );

}

delete context;

context = nullptr;

DAS_FATAL_ERROR("failed to simulate: %s\n%s", pak.c_str(), tout.str().c_str());

return;

}

modGet = context->findFunction("module_get");

DAS_ASSERTF(modGet!=nullptr, "can't find module_get function");

includeGet = context->findFunction("include_get"); // note, this one CAN be null

moduleAllowed = context->findFunction("module_allowed"); // note, this one CAN be null

moduleUnsafe = context->findFunction("module_allowed_unsafe"); // note, this one CAN be null

canModuleBeRequired = context->findFunction("can_module_be_required"); // note, this one CAN be null

sameFileName = context->findFunction("is_same_file_name"); // note, this one CAN be null

optionAllowed = context->findFunction("option_allowed"); // note, this one CAN be null

optionBlocked = context->findFunction("option_blocked"); // note, this one CAN be null

annotationAllowed = context->findFunction("annotation_allowed"); // note, this one CAN be null

podInScopeAllowed = context->findFunction("is_pod_in_scope_allowed"); // note, this one CAN be null

dynModulesFolderGet = context->findFunction("dyn_modules_folder"); // note, this one CAN be null

// get it ready

context->restart();

context->runInitScript(); // note: we assume sane init stack size here

// setup pak root

int ipr = context->findVariable("DAS_PAK_ROOT");

if ( ipr != -1 ) {

// TODO: verify if its string

string pakRoot = ".";

auto np = pak.find_last_of("\\/");

if ( np != string::npos ) {

pakRoot = pak.substr(0,np+1);

}

// set it

char ** gpr = (char **) context->getVariable(ipr);

*gpr = context->allocateString(pakRoot, /*at*/nullptr);

}

// logs

auto tostr = tout.str();

if ( !tostr.empty() ) {

printf("%s\n", tostr.c_str());

}

} else {

DAS_FATAL_ERROR("failed to compile: %s\n%s", pak.c_str(), tout.str().c_str());

}

int64_t FileAccess::getFileMtime ( const string & fileName) const {

#if !defined(DAS_NO_FILEIO)

struct stat st;

stat(fileName.c_str(), &st);

return st.st_mtime;

#else

return -1;

#endif

}

bool ModuleFileAccess::canModuleBeUnsafe ( const string & mod, const string & fileName ) const {

if(failed() || !moduleUnsafe) return FileAccess::canModuleBeUnsafe(mod,fileName);

vec4f args[2];

args[0] = cast<const char *>::from(mod.c_str());

args[1] = cast<const char *>::from(fileName.c_str());

auto res = context->evalWithCatch(moduleUnsafe, args, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `module_unsafe`: %s", exc);

return cast<bool>::to(res);

}

bool ModuleFileAccess::canBeRequired ( const string & mod, const string & fileName, bool isPublic ) const {

if(failed() || !canModuleBeRequired) return FileAccess::canBeRequired(mod,fileName,isPublic);

vec4f args[3];

args[0] = cast<const char *>::from(mod.c_str());

args[1] = cast<const char *>::from(fileName.c_str());

args[2] = cast<bool>::from(isPublic);

auto res = context->evalWithCatch(canModuleBeRequired, args, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `can_module_be_required`: %s", exc);

return cast<bool>::to(res);

}

bool ModuleFileAccess::isModuleAllowed ( const string & mod, const string & fileName ) const {

if(failed() || !moduleAllowed) return FileAccess::isModuleAllowed(mod,fileName);

vec4f args[2];

args[0] = cast<const char *>::from(mod.c_str());

args[1] = cast<const char *>::from(fileName.c_str());

auto res = context->evalWithCatch(moduleAllowed, args, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `module_allowed`: %s", exc);

return cast<bool>::to(res);

}

ModuleInfo ModuleFileAccess::getModuleInfo ( const string & req, const string & from ) const {

if (failed()) return FileAccess::getModuleInfo(req, from);

vec4f args[2];

args[0] = cast<const char *>::from(req.c_str());

args[1] = cast<const char *>::from(from.c_str());

struct {

char * modName;

char * modFileName;

char * modImportName;

} res;

memset(&res, 0, sizeof(res));

context->evalWithCatch(modGet, args, &res);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `module_get`: %s", exc);

ModuleInfo info;

info.moduleName = res.modName ? res.modName : "";

info.fileName = res.modFileName ? res.modFileName : "";

info.importName = res.modImportName ? res.modImportName : "";

return info;

}

string ModuleFileAccess::getDynModulesFolder() const {

if(failed() || !dynModulesFolderGet) return FileAccess::getDynModulesFolder();

auto res = context->evalWithCatch(dynModulesFolderGet, nullptr, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `dyn_modules_folder`: %s", exc);

return cast<const char *>::to(res);

}

string ModuleFileAccess::getIncludeFileName ( const string & fileName, const string & incFileName ) const {

if (failed() || !includeGet) return FileAccess::getIncludeFileName(fileName,incFileName);

vec4f args[2];

args[0] = cast<const char *>::from(incFileName.c_str());

args[1] = cast<const char *>::from(fileName.c_str());

vec4f res = context->evalWithCatch(includeGet, args, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `include_get`: %s", exc);

auto fname = cast<const char *>::to(res);

return fname ? fname : "";

}

bool ModuleFileAccess::isSameFileName ( const string & a, const string & b ) const {

if (failed() || !sameFileName) return FileAccess::isSameFileName(a,b);

vec4f args[2];

args[0] = cast<const char *>::from(a.c_str());

args[1] = cast<const char *>::from(b.c_str());

vec4f res = context->evalWithCatch(sameFileName, args, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `is_same_file_name`: %s", exc);

return cast<bool>::to(res);

}

bool ModuleFileAccess::isOptionAllowed ( const string & opt, const string & from ) const {

if (failed() || !optionAllowed) return FileAccess::isOptionAllowed(opt,from);

vec4f args[2];

args[0] = cast<const char *>::from(opt.c_str());

args[1] = cast<const char *>::from(from.c_str());

vec4f res = context->evalWithCatch(optionAllowed, args, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `option_allowed`: %s", exc);

return cast<bool>::to(res);

}

bool ModuleFileAccess::isOptionBlocked ( const string & opt, const string & from ) const {

if (failed() || !optionBlocked) return FileAccess::isOptionBlocked(opt,from);

vec4f args[2];

args[0] = cast<const char *>::from(opt.c_str());

args[1] = cast<const char *>::from(from.c_str());

vec4f res = context->evalWithCatch(optionBlocked, args, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `option_blocked`: %s", exc);

return cast<bool>::to(res);

}

bool ModuleFileAccess::isAnnotationAllowed ( const string & ann, const string & from ) const {

if (failed() || !annotationAllowed) return FileAccess::isAnnotationAllowed(ann,from);

vec4f args[2];

args[0] = cast<const char *>::from(ann.c_str());

args[1] = cast<const char *>::from(from.c_str());

vec4f res = context->evalWithCatch(annotationAllowed, args, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `annotation_allowed`: %s", exc);

return cast<bool>::to(res);

}

bool ModuleFileAccess::isPodInScopeAllowed ( const string & moduleName, const string & fileName ) const {

if (failed() || !podInScopeAllowed) return FileAccess::isPodInScopeAllowed(moduleName,fileName);

vec4f args[2];

args[0] = cast<const char *>::from(moduleName.c_str());

args[1] = cast<const char *>::from(fileName.c_str());

vec4f res = context->evalWithCatch(podInScopeAllowed, args, nullptr);

auto exc = context->getException(); exc;

DAS_ASSERTF(!exc, "exception failed in `pod_in_scope_allowed`: %s", exc);

return cast<bool>::to(res);

}

daScript/src/builtin/module_file_access.cpp at master · WhyNot135/daScript · GitHub

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