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-rw-r--r--src/libexpr/eval.cc17
-rw-r--r--src/libexpr/lexer.l6
-rw-r--r--src/libexpr/parser-state.hh16
-rw-r--r--src/libexpr/parser.y29
4 files changed, 48 insertions, 20 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index 35b09f4d5..2a6a89ddb 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -17,6 +17,7 @@
#include "gc-small-vector.hh"
#include "fetch-to-store.hh"
#include "flake/flakeref.hh"
+#include "parser-tab.hh"
#include <algorithm>
#include <chrono>
@@ -2806,6 +2807,22 @@ std::optional<std::string> EvalState::resolveSearchPathPath(const SearchPath::Pa
return res;
}
+
+Expr * EvalState::parse(
+ char * text,
+ size_t length,
+ Pos::Origin origin,
+ const SourcePath & basePath,
+ std::shared_ptr<StaticEnv> & staticEnv)
+{
+ auto result = parseExprFromBuf(text, length, origin, basePath, symbols, positions);
+
+ result->bindVars(*this, staticEnv);
+
+ return result;
+}
+
+
std::string ExternalValueBase::coerceToString(const Pos & pos, NixStringContext & context, bool copyMore, bool copyToStore) const
{
throw TypeError({
diff --git a/src/libexpr/lexer.l b/src/libexpr/lexer.l
index 2d6f8dc47..6f7a9cd6b 100644
--- a/src/libexpr/lexer.l
+++ b/src/libexpr/lexer.l
@@ -154,7 +154,7 @@ or { return OR_KW; }
} catch (const boost::bad_lexical_cast &) {
throw ParseError({
.msg = hintfmt("invalid integer '%1%'", yytext),
- .errPos = state->state.positions[CUR_POS],
+ .errPos = state->positions[CUR_POS],
});
}
return INT;
@@ -164,7 +164,7 @@ or { return OR_KW; }
if (errno != 0)
throw ParseError({
.msg = hintfmt("invalid float '%1%'", yytext),
- .errPos = state->state.positions[CUR_POS],
+ .errPos = state->positions[CUR_POS],
});
return FLOAT;
}
@@ -293,7 +293,7 @@ or { return OR_KW; }
<INPATH_SLASH><<EOF>> {
throw ParseError({
.msg = hintfmt("path has a trailing slash"),
- .errPos = state->state.positions[CUR_POS],
+ .errPos = state->positions[CUR_POS],
});
}
diff --git a/src/libexpr/parser-state.hh b/src/libexpr/parser-state.hh
index 167d3f4ae..34863c001 100644
--- a/src/libexpr/parser-state.hh
+++ b/src/libexpr/parser-state.hh
@@ -37,8 +37,8 @@ struct ParserLocation {
};
struct ParserState {
- EvalState & state;
SymbolTable & symbols;
+ PosTable & positions;
Expr * result;
SourcePath basePath;
PosTable::Origin origin;
@@ -56,16 +56,16 @@ inline void ParserState::dupAttr(const AttrPath & attrPath, const PosIdx pos, co
{
throw ParseError({
.msg = hintfmt("attribute '%1%' already defined at %2%",
- showAttrPath(state.symbols, attrPath), state.positions[prevPos]),
- .errPos = state.positions[pos]
+ showAttrPath(symbols, attrPath), positions[prevPos]),
+ .errPos = positions[pos]
});
}
inline void ParserState::dupAttr(Symbol attr, const PosIdx pos, const PosIdx prevPos)
{
throw ParseError({
- .msg = hintfmt("attribute '%1%' already defined at %2%", state.symbols[attr], state.positions[prevPos]),
- .errPos = state.positions[pos]
+ .msg = hintfmt("attribute '%1%' already defined at %2%", symbols[attr], positions[prevPos]),
+ .errPos = positions[pos]
});
}
@@ -146,13 +146,13 @@ inline Formals * ParserState::validateFormals(Formals * formals, PosIdx pos, Sym
if (duplicate)
throw ParseError({
.msg = hintfmt("duplicate formal function argument '%1%'", symbols[duplicate->first]),
- .errPos = state.positions[duplicate->second]
+ .errPos = positions[duplicate->second]
});
if (arg && formals->has(arg))
throw ParseError({
.msg = hintfmt("duplicate formal function argument '%1%'", symbols[arg]),
- .errPos = state.positions[pos]
+ .errPos = positions[pos]
});
return formals;
@@ -256,7 +256,7 @@ inline Expr * ParserState::stripIndentation(const PosIdx pos,
inline PosIdx ParserState::at(const ParserLocation & loc)
{
- return state.positions.add(origin, loc.first_line, loc.first_column);
+ return positions.add(origin, loc.first_line, loc.first_column);
}
}
diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y
index 0d28d7961..5027b7b99 100644
--- a/src/libexpr/parser.y
+++ b/src/libexpr/parser.y
@@ -31,6 +31,18 @@
#define YY_DECL int yylex \
(YYSTYPE * yylval_param, YYLTYPE * yylloc_param, yyscan_t yyscanner, nix::ParserState * state)
+namespace nix {
+
+Expr * parseExprFromBuf(
+ char * text,
+ size_t length,
+ Pos::Origin origin,
+ const SourcePath & basePath,
+ SymbolTable & symbols,
+ PosTable & positions);
+
+}
+
#endif
}
@@ -51,7 +63,7 @@ void yyerror(YYLTYPE * loc, yyscan_t scanner, ParserState * state, const char *
{
throw ParseError({
.msg = hintfmt(error),
- .errPos = state->state.positions[state->at(*loc)]
+ .errPos = state->positions[state->at(*loc)]
});
}
@@ -140,7 +152,7 @@ expr_function
{ if (!$2->dynamicAttrs.empty())
throw ParseError({
.msg = hintfmt("dynamic attributes not allowed in let"),
- .errPos = state->state.positions[CUR_POS]
+ .errPos = state->positions[CUR_POS]
});
$$ = new ExprLet($2, $4);
}
@@ -230,7 +242,7 @@ expr_simple
if (noURLLiterals)
throw ParseError({
.msg = hintfmt("URL literals are disabled"),
- .errPos = state->state.positions[CUR_POS]
+ .errPos = state->positions[CUR_POS]
});
$$ = new ExprString(std::string($1));
}
@@ -326,7 +338,7 @@ attrs
} else
throw ParseError({
.msg = hintfmt("dynamic attributes not allowed in inherit"),
- .errPos = state->state.positions[state->at(@2)]
+ .errPos = state->positions[state->at(@2)]
});
}
| { $$ = new AttrPath; }
@@ -393,17 +405,18 @@ formal
namespace nix {
-Expr * EvalState::parse(
+Expr * parseExprFromBuf(
char * text,
size_t length,
Pos::Origin origin,
const SourcePath & basePath,
- std::shared_ptr<StaticEnv> & staticEnv)
+ SymbolTable & symbols,
+ PosTable & positions)
{
yyscan_t scanner;
ParserState state {
- .state = *this,
.symbols = symbols,
+ .positions = positions,
.basePath = basePath,
.origin = {origin},
};
@@ -414,8 +427,6 @@ Expr * EvalState::parse(
yy_scan_buffer(text, length, scanner);
yyparse(scanner, &state);
- state.result->bindVars(*this, staticEnv);
-
return state.result;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 22:49:19 +0000