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use core:io;
use core:lang;
use lang;
use lang:bnf;
use lang:bs:macro;
// Entry-point for the C++ implementation.
PkgReader reader(Url[] files, Package pkg) on Compiler {
FilePkgReader(files, pkg, &readFile);
}
// Create files.
private FileReader readFile(FileInfo info) {
Reader(info);
}
class Reader extends FileReader {
init(FileInfo info) {
init(info) {}
}
// For syntax highlighting.
Rule rootRule() : override {
named{SRoot};
}
// Types.
void readTypes() : override {
Content c = content();
for (t in c.types) {
info.pkg.add(t);
}
}
void resolveTypes() : override {
Content c = content();
for (t in c.types) {
t.resolve();
}
}
// Functions.
void readFunctions() : override {
Content c = content();
for (fn in c.functions) {
fn.create(info.pkg);
}
for (global in c.globals) {
global.create(info.pkg);
}
}
void resolveFunctions() : override {}
private:
// Content. Null if not parsed yet.
Content? cont;
// Get the parsed content.
Content content() {
if (cont)
return cont;
Parser<SRoot> parser;
parser.parse(info.contents, info.url, info.start);
if (parser.hasError)
parser.throwError();
Content c = parser.tree().transform();
cont = c;
return c;
}
}
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