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// Parser utilities for use in parser.y
#pragma once
// TODO(tazjin): Audit these includes, they were in parser.y
#include <optional>
#include <variant>
#include <glog/logging.h>
#include "libexpr/eval.hh"
#include "libexpr/nixexpr.hh"
#include "libutil/util.hh"
#define YY_DECL \
int yylex(YYSTYPE* yylval_param, YYLTYPE* yylloc_param, yyscan_t yyscanner, \
nix::ParseData* data)
#define CUR_POS makeCurPos(*yylocp, data)
namespace nix {
struct ParseData {
EvalState& state;
SymbolTable& symbols;
Expr* result;
Path basePath;
std::optional<Symbol> path;
std::string error;
Symbol sLetBody;
ParseData(EvalState& state)
: state(state),
symbols(state.symbols),
sLetBody(symbols.Create("<let-body>")){};
};
// TODO(tazjin): move dupAttr to anonymous namespace
static void dupAttr(const AttrPath& attrPath, const Pos& pos,
const Pos& prevPos) {
throw ParseError(format("attribute '%1%' at %2% already defined at %3%") %
showAttrPath(attrPath) % pos % prevPos);
}
static void dupAttr(Symbol attr, const Pos& pos, const Pos& prevPos) {
throw ParseError(format("attribute '%1%' at %2% already defined at %3%") %
attr % pos % prevPos);
}
void addAttr(ExprAttrs* attrs, AttrPath& attrPath, Expr* e, const Pos& pos);
void addFormal(const Pos& pos, Formals* formals, const Formal& formal);
Expr* stripIndentation(const Pos& pos, SymbolTable& symbols,
std::vector<Expr*>& es);
Path resolveExprPath(Path path);
} // namespace nix
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