Ejs *ejsCloneVM(Ejs *master)
{
EjsModule *mp;
Ejs *ejs;
int next;
if (master) {
assure(!master->empty);
if ((ejs = ejsCreateVM(master->argc, master->argv, master ? master->flags : 0)) == 0) {
return 0;
}
cloneProperties(ejs, master);
ejsFixTraits(ejs, ejs->global);
ejs->sqlite = master->sqlite;
ejs->http = master->http;
ejs->initialized = master->initialized;
ejs->empty = 0;
for (next = 0; (mp = mprGetNextItem(master->modules, &next)) != 0;) {
ejsAddModule(ejs, mp);
}
return ejs;
}
return ejsCreateVM(0, 0, 0);
}
static int compileInner(EcCompiler *cp, int argc, char **argv)
{
Ejs *ejs;
EjsModule *mp;
MprList *nodes;
EjsBlock *block;
EcLocation loc;
cchar *ext;
char *msg;
int next, i, j, nextModule, lflags, rc, paused;
ejs = cp->ejs;
if ((nodes = mprCreateList(-1, 0)) == 0) {
return EJS_ERR;
}
cp->nodes = nodes;
/*
Warn about source files mentioned multiple times.
TODO OPT. This is slow.
*/
for (i = 0; i < argc; i++) {
for (j = 0; j < argc; j++) {
if (i == j) {
continue;
}
if (mprSamePath(argv[i], argv[j])) {
compileError(cp, "Loading source %s multiple times. Ignoring extra copies.", argv[i]);
return EJS_ERR;
}
}
if (cp->outputFile && mprSamePath(cp->outputFile, argv[i])) {
compileError(cp, "Output file is the same as input file: %s", argv[i]);
return EJS_ERR;
}
}
/*
Compile source files and load any module files
*/
for (i = 0; i < argc && !cp->fatalError; i++) {
ext = mprGetPathExt(argv[i]);
if (scasecmp(ext, "mod") == 0 || scasecmp(ext, BIT_SHOBJ) == 0) {
nextModule = mprGetListLength(ejs->modules);
lflags = cp->strict ? EJS_LOADER_STRICT : 0;
if ((rc = ejsLoadModule(cp->ejs, ejsCreateStringFromAsc(ejs, argv[i]), -1, -1, lflags)) < 0) {
msg = sfmt("Error initializing module %s\n%s", argv[i], ejsGetErrorMsg(cp->ejs, 1));
memset(&loc, 0, sizeof(EcLocation));
loc.filename = sclone(argv[i]);
if (rc == MPR_ERR_CANT_INITIALIZE) {
ecError(cp, "Error", &loc, msg);
} else {
ecError(cp, "Error", &loc, msg);
}
cp->nodes = NULL;
return EJS_ERR;
}
if (cp->merge) {
/*
If merging, we must emit the loaded module into the output. So add to the compiled modules list.
*/
for (next = nextModule; (mp = mprGetNextItem(ejs->modules, &next)) != 0; ) {
if (mprLookupItem(cp->modules, mp) < 0 && mprAddItem(cp->modules, mp) < 0) {
compileError(cp, "Can't add module %s", mp->name);
}
}
}
mprAddItem(nodes, 0);
} else {
mprAssert(!MPR->marking);
paused = ejsBlockGC(ejs);
mprAddItem(nodes, ecParseFile(cp, argv[i]));
ejsUnblockGC(ejs, paused);
}
mprAssert(!MPR->marking);
}
mprAssert(ejs->result == 0 || (MPR_GET_GEN(MPR_GET_MEM(ejs->result)) != MPR->heap->dead));
/*
Allocate the eval frame stack. This is used for property lookups. We have one dummy block at the top always.
*/
block = ejsCreateBlock(ejs, 0);
mprSetName(block, "Compiler");
ejsPushBlock(ejs, block);
/*
Process the internal representation and generate code
*/
paused = ejsBlockGC(ejs);
if (!cp->parseOnly && cp->errorCount == 0) {
ecResetParser(cp);
if (ecAstProcess(cp) < 0) {
ejsPopBlock(ejs);
cp->nodes = NULL;
ejsUnblockGC(ejs, paused);
return EJS_ERR;
}
if (cp->errorCount == 0) {
ecResetParser(cp);
if (ecCodeGen(cp) < 0) {
ejsPopBlock(ejs);
cp->nodes = NULL;
ejsUnblockGC(ejs, paused);
return EJS_ERR;
}
}
}
ejsPopBlock(ejs);
mprAssert(ejs->result == 0 || (MPR_GET_GEN(MPR_GET_MEM(ejs->result)) != MPR->heap->dead));
/*
Add compiled modules to the interpreter
*/
for (next = 0; ((mp = (EjsModule*) mprGetNextItem(cp->modules, &next)) != 0); ) {
ejsAddModule(cp->ejs, mp);
}
cp->nodes = NULL;
ejsUnblockGC(ejs, paused);
if (!paused) {
mprYield(0);
}
mprAssert(ejs->result == 0 || (MPR_GET_GEN(MPR_GET_MEM(ejs->result)) != MPR->heap->dead));
return (cp->errorCount > 0) ? EJS_ERR: 0;
}