aboutsummaryrefslogtreecommitdiff
path: root/src/libexpr
diff options
context:
space:
mode:
Diffstat (limited to 'src/libexpr')
-rw-r--r--src/libexpr/Makefile.am8
-rw-r--r--src/libexpr/attr-path.cc7
-rw-r--r--src/libexpr/attr-path.hh6
-rw-r--r--src/libexpr/eval.cc10
-rw-r--r--src/libexpr/eval.hh16
-rw-r--r--src/libexpr/expr-to-xml.cc9
-rw-r--r--src/libexpr/expr-to-xml.hh6
-rw-r--r--src/libexpr/get-drvs.cc9
-rw-r--r--src/libexpr/get-drvs.hh10
-rw-r--r--src/libexpr/lexer.l8
-rw-r--r--src/libexpr/nixexpr.cc8
-rw-r--r--src/libexpr/nixexpr.hh8
-rw-r--r--src/libexpr/parser.cc40
-rw-r--r--src/libexpr/parser.hh6
-rw-r--r--src/libexpr/parser.y47
-rw-r--r--src/libexpr/primops.cc16
16 files changed, 158 insertions, 56 deletions
diff --git a/src/libexpr/Makefile.am b/src/libexpr/Makefile.am
index f08504259..3696e99d5 100644
--- a/src/libexpr/Makefile.am
+++ b/src/libexpr/Makefile.am
@@ -2,13 +2,13 @@ pkglib_LTLIBRARIES = libexpr.la
libexpr_la_SOURCES = nixexpr.cc nixexpr.hh parser.cc parser.hh \
eval.cc eval.hh primops.cc \
- lexer-tab.c lexer-tab.h parser-tab.c parser-tab.h \
+ lexer-tab.c lexer-tab.h parser-tab.cc parser-tab.hh \
get-drvs.cc get-drvs.hh \
attr-path.cc attr-path.hh \
expr-to-xml.cc expr-to-xml.hh
BUILT_SOURCES = nixexpr-ast.cc nixexpr-ast.hh \
- parser-tab.h lexer-tab.h parser-tab.c lexer-tab.c
+ parser-tab.hh lexer-tab.h parser-tab.cc lexer-tab.c
EXTRA_DIST = lexer.l parser.y nixexpr-ast.def nixexpr-ast.cc
@@ -21,8 +21,8 @@ AM_CFLAGS = \
# Parser generation.
-parser-tab.c parser-tab.h: parser.y
- $(bison) -v -o parser-tab.c $(srcdir)/parser.y -d
+parser-tab.cc parser-tab.hh: parser.y
+ $(bison) -v -o parser-tab.cc $(srcdir)/parser.y -d
lexer-tab.c lexer-tab.h: lexer.l
$(flex) --outfile lexer-tab.c --header-file=lexer-tab.h $(srcdir)/lexer.l
diff --git a/src/libexpr/attr-path.cc b/src/libexpr/attr-path.cc
index 7228adf95..8606da559 100644
--- a/src/libexpr/attr-path.cc
+++ b/src/libexpr/attr-path.cc
@@ -1,5 +1,9 @@
#include "attr-path.hh"
#include "nixexpr-ast.hh"
+#include "util.hh"
+
+
+namespace nix {
bool isAttrs(EvalState & state, Expr e, ATermMap & attrs)
@@ -73,3 +77,6 @@ Expr findAlongAttrPath(EvalState & state, const string & attrPath,
return e;
}
+
+
+}
diff --git a/src/libexpr/attr-path.hh b/src/libexpr/attr-path.hh
index 0797ecc58..7abaa83a0 100644
--- a/src/libexpr/attr-path.hh
+++ b/src/libexpr/attr-path.hh
@@ -7,8 +7,14 @@
#include "eval.hh"
+namespace nix {
+
+
Expr findAlongAttrPath(EvalState & state, const string & attrPath,
const ATermMap & autoArgs, Expr e);
+
+}
+
#endif /* !__ATTR_PATH_H */
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index aacdc1c8e..02df4a4a3 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -1,8 +1,13 @@
#include "eval.hh"
#include "parser.hh"
+#include "hash.hh"
+#include "util.hh"
#include "nixexpr-ast.hh"
+namespace nix {
+
+
EvalState::EvalState()
: normalForms(32768), primOps(128)
{
@@ -271,7 +276,7 @@ Expr wrapInContext(ATermList context, Expr e)
static ATerm concatStrings(EvalState & state, const ATermVector & args)
{
ATermList context = ATempty;
- ostringstream s;
+ std::ostringstream s;
bool isPath = false;
for (ATermVector::const_iterator i = args.begin(); i != args.end(); ++i) {
@@ -666,3 +671,6 @@ void printEvalStats(EvalState & state)
if (showStats)
printATermMapStats();
}
+
+
+}
diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh
index c95a30935..b34e91055 100644
--- a/src/libexpr/eval.hh
+++ b/src/libexpr/eval.hh
@@ -4,16 +4,21 @@
#include <map>
#include "aterm.hh"
-#include "hash.hh"
#include "nixexpr.hh"
-typedef map<Path, PathSet> DrvRoots;
-typedef map<Path, Hash> DrvHashes;
+namespace nix {
+
+
+class Hash;
+
+
+typedef std::map<Path, PathSet> DrvRoots;
+typedef std::map<Path, Hash> DrvHashes;
/* Cache for calls to addToStore(); maps source paths to the store
paths. */
-typedef map<Path, Path> SrcToStore;
+typedef std::map<Path, Path> SrcToStore;
struct EvalState;
@@ -74,5 +79,8 @@ Expr autoCallFunction(Expr e, const ATermMap & args);
/* Print statistics. */
void printEvalStats(EvalState & state);
+
+}
+
#endif /* !__EVAL_H */
diff --git a/src/libexpr/expr-to-xml.cc b/src/libexpr/expr-to-xml.cc
index cd9112a42..b84c0058e 100644
--- a/src/libexpr/expr-to-xml.cc
+++ b/src/libexpr/expr-to-xml.cc
@@ -1,10 +1,12 @@
#include "expr-to-xml.hh"
-
#include "xml-writer.hh"
#include "nixexpr-ast.hh"
#include "aterm.hh"
+namespace nix {
+
+
static XMLAttrs singletonAttrs(const string & name, const string & value)
{
XMLAttrs attrs;
@@ -84,9 +86,12 @@ static void printTermAsXML(Expr e, XMLWriter & doc)
}
-void printTermAsXML(Expr e, ostream & out)
+void printTermAsXML(Expr e, std::ostream & out)
{
XMLWriter doc(true, out);
XMLOpenElement root(doc, "expr");
printTermAsXML(e, doc);
}
+
+
+}
diff --git a/src/libexpr/expr-to-xml.hh b/src/libexpr/expr-to-xml.hh
index 56f947e52..6b95c88f5 100644
--- a/src/libexpr/expr-to-xml.hh
+++ b/src/libexpr/expr-to-xml.hh
@@ -6,8 +6,10 @@
#include "nixexpr.hh"
+namespace nix {
-void printTermAsXML(Expr e, ostream & out);
-
+void printTermAsXML(Expr e, std::ostream & out);
+
+}
#endif /* !__EXPR_TO_XML_H */
diff --git a/src/libexpr/get-drvs.cc b/src/libexpr/get-drvs.cc
index 07dd88e4c..808e12ffd 100644
--- a/src/libexpr/get-drvs.cc
+++ b/src/libexpr/get-drvs.cc
@@ -1,5 +1,9 @@
#include "get-drvs.hh"
#include "nixexpr-ast.hh"
+#include "util.hh"
+
+
+namespace nix {
string DrvInfo::queryDrvPath(EvalState & state) const
@@ -66,7 +70,7 @@ static bool getDerivation(EvalState & state, Expr e,
e = evalExpr(state, e);
if (!matchAttrs(e, es)) return true;
- shared_ptr<ATermMap> attrs(new ATermMap(32)); /* !!! */
+ boost::shared_ptr<ATermMap> attrs(new ATermMap(32)); /* !!! */
queryAllAttrs(e, *attrs, false);
Expr a = attrs->get(toATerm("type"));
@@ -183,3 +187,6 @@ void getDerivations(EvalState & state, Expr e, const string & pathPrefix,
Exprs doneExprs;
getDerivations(state, e, pathPrefix, autoArgs, drvs, doneExprs);
}
+
+
+}
diff --git a/src/libexpr/get-drvs.hh b/src/libexpr/get-drvs.hh
index 75f6bcf9d..3dac56a4f 100644
--- a/src/libexpr/get-drvs.hh
+++ b/src/libexpr/get-drvs.hh
@@ -9,7 +9,10 @@
#include "eval.hh"
-typedef map<string, string> MetaInfo;
+namespace nix {
+
+
+typedef std::map<string, string> MetaInfo;
struct DrvInfo
@@ -23,7 +26,7 @@ public:
string attrPath; /* path towards the derivation */
string system;
- shared_ptr<ATermMap> attrs;
+ boost::shared_ptr<ATermMap> attrs;
string queryDrvPath(EvalState & state) const;
string queryOutPath(EvalState & state) const;
@@ -52,5 +55,8 @@ bool getDerivation(EvalState & state, Expr e, DrvInfo & drv);
void getDerivations(EvalState & state, Expr e, const string & pathPrefix,
const ATermMap & autoArgs, DrvInfos & drvs);
+
+}
+
#endif /* !__GET_DRVS_H */
diff --git a/src/libexpr/lexer.l b/src/libexpr/lexer.l
index fb19e16b4..bbf872ff6 100644
--- a/src/libexpr/lexer.l
+++ b/src/libexpr/lexer.l
@@ -9,7 +9,7 @@
%{
#include <string.h>
#include <aterm2.h>
-#include "parser-tab.h"
+#include "parser-tab.hh"
static void initLoc(YYLTYPE * loc)
{
@@ -35,7 +35,11 @@ static void adjustLoc(YYLTYPE * loc, const char * s, size_t len)
}
}
-ATerm toATerm(const char * s);
+ATerm toATerm(const char * s)
+{
+ return (ATerm) ATmakeAppl0(ATmakeAFun((char *) s, 0, ATtrue));
+}
+
ATerm unescapeStr(const char * s);
#define YY_USER_INIT initLoc(yylloc)
diff --git a/src/libexpr/nixexpr.cc b/src/libexpr/nixexpr.cc
index fac2c0e5c..b7ccb656c 100644
--- a/src/libexpr/nixexpr.cc
+++ b/src/libexpr/nixexpr.cc
@@ -1,11 +1,14 @@
#include "nixexpr.hh"
#include "derivations.hh"
-
+#include "util.hh"
#include "nixexpr-ast.hh"
#include "nixexpr-ast.cc"
+namespace nix {
+
+
string showPos(ATerm pos)
{
ATerm path;
@@ -332,3 +335,6 @@ string showValue(Expr e)
/* !!! incomplete */
return "<unknown>";
}
+
+
+}
diff --git a/src/libexpr/nixexpr.hh b/src/libexpr/nixexpr.hh
index 3eb4d4cb2..af39997c5 100644
--- a/src/libexpr/nixexpr.hh
+++ b/src/libexpr/nixexpr.hh
@@ -6,7 +6,10 @@
#include <aterm2.h>
#include "aterm-map.hh"
-#include "util.hh"
+#include "types.hh"
+
+
+namespace nix {
MakeError(EvalError, Error)
@@ -95,5 +98,8 @@ string showType(Expr e);
string showValue(Expr e);
+
+}
+
#endif /* !__NIXEXPR_H */
diff --git a/src/libexpr/parser.cc b/src/libexpr/parser.cc
index fa6c4e2f3..20a6c9be2 100644
--- a/src/libexpr/parser.cc
+++ b/src/libexpr/parser.cc
@@ -1,3 +1,8 @@
+#include "parser.hh"
+#include "aterm.hh"
+#include "util.hh"
+#include "nixexpr-ast.hh"
+
#include <sstream>
#include <sys/types.h>
@@ -5,9 +10,15 @@
#include <fcntl.h>
#include <unistd.h>
-#include "aterm.hh"
-#include "parser.hh"
-#include "nixexpr-ast.hh"
+
+extern "C" {
+
+#include "parser-tab.hh"
+#include "lexer-tab.h"
+
+}
+
+namespace nix {
struct ParseData
@@ -17,16 +28,15 @@ struct ParseData
Path path;
string error;
};
+
+}
-extern "C" {
+int yyparse(yyscan_t scanner, nix::ParseData * data);
+
+
+namespace nix {
-#include "parser-tab.h"
-#include "lexer-tab.h"
-
-/* Callbacks for getting from C to C++. Due to a (small) bug in the
- GLR code of Bison we cannot currently compile the parser as C++
- code. */
void setParseResult(ParseData * data, ATerm t)
{
@@ -71,6 +81,7 @@ const char * getPath(ParseData * data)
return data->path.c_str();
}
+extern "C" {
Expr unescapeStr(const char * s)
{
string t;
@@ -93,11 +104,7 @@ Expr unescapeStr(const char * s)
}
return makeStr(toATerm(t));
}
-
-int yyparse(yyscan_t scanner, ParseData * data);
-
-
-} /* end of C functions */
+}
static void checkAttrs(ATermMap & names, ATermList bnds)
@@ -232,3 +239,6 @@ Expr parseExprFromString(EvalState & state,
{
return parse(state, s.c_str(), "(string)", basePath);
}
+
+
+}
diff --git a/src/libexpr/parser.hh b/src/libexpr/parser.hh
index 2af5385f6..334822b5e 100644
--- a/src/libexpr/parser.hh
+++ b/src/libexpr/parser.hh
@@ -4,6 +4,9 @@
#include "eval.hh"
+namespace nix {
+
+
/* Parse a Nix expression from the specified file. If `path' refers
to a directory, the "/default.nix" is appended. */
Expr parseExprFromFile(EvalState & state, Path path);
@@ -13,4 +16,7 @@ Expr parseExprFromString(EvalState & state, const string & s,
const Path & basePath);
+}
+
+
#endif /* !__PARSER_H */
diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y
index c1e3b48a7..7714a5911 100644
--- a/src/libexpr/parser.y
+++ b/src/libexpr/parser.y
@@ -3,7 +3,7 @@
%locations
%error-verbose
%parse-param { yyscan_t scanner }
-%parse-param { void * data }
+%parse-param { ParseData * data }
%lex-param { yyscan_t scanner }
%{
@@ -12,34 +12,47 @@
#include <string.h>
#include <aterm2.h>
-#include "parser-tab.h"
+#include "parser-tab.hh"
+extern "C" {
#include "lexer-tab.h"
+}
-typedef ATerm Expr;
-typedef ATerm ValidValues;
-typedef ATerm DefaultValue;
-typedef ATerm Pos;
+#include "aterm.hh"
+#include "nixexpr.hh"
#include "nixexpr-ast.hh"
-void setParseResult(void * data, ATerm t);
-void parseError(void * data, char * error, int line, int column);
-ATerm absParsedPath(void * data, ATerm t);
-ATerm fixAttrs(int recursive, ATermList as);
-const char * getPath(void * data);
-void backToString(yyscan_t scanner);
+using namespace nix;
-void yyerror(YYLTYPE * loc, yyscan_t scanner, void * data, char * s)
+namespace nix {
+
+struct ParseData
{
- parseError(data, s, loc->first_line, loc->first_column);
+ Expr result;
+ Path basePath;
+ Path path;
+ string error;
+};
+
+void setParseResult(ParseData * data, ATerm t);
+void parseError(ParseData * data, char * error, int line, int column);
+ATerm absParsedPath(ParseData * data, ATerm t);
+ATerm fixAttrs(int recursive, ATermList as);
+const char * getPath(ParseData * data);
+Expr unescapeStr(const char * s);
+
+extern "C" {
+ void backToString(yyscan_t scanner);
+}
+
}
-ATerm toATerm(const char * s)
+void yyerror(YYLTYPE * loc, yyscan_t scanner, ParseData * data, char * s)
{
- return (ATerm) ATmakeAppl0(ATmakeAFun((char *) s, 0, ATtrue));
+ parseError(data, s, loc->first_line, loc->first_column);
}
-static Pos makeCurPos(YYLTYPE * loc, void * data)
+static Pos makeCurPos(YYLTYPE * loc, ParseData * data)
{
return makePos(toATerm(getPath(data)),
loc->first_line, loc->first_column);
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 5dfe90a8f..3f915fc23 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -1,11 +1,16 @@
-#include <algorithm>
-
#include "build.hh"
#include "misc.hh"
#include "eval.hh"
#include "globals.hh"
-#include "nixexpr-ast.hh"
+#include "store.hh"
+#include "util.hh"
#include "expr-to-xml.hh"
+#include "nixexpr-ast.hh"
+
+#include <algorithm>
+
+
+namespace nix {
static Expr primBuiltins(EvalState & state, const ATermVector & args)
@@ -472,7 +477,7 @@ static Expr primToString(EvalState & state, const ATermVector & args)
be sensibly or completely represented (e.g., functions). */
static Expr primToXML(EvalState & state, const ATermVector & args)
{
- ostringstream out;
+ std::ostringstream out;
printTermAsXML(strictEvalExpr(state, args[0]), out);
return makeStr(toATerm(out.str()));
}
@@ -746,3 +751,6 @@ void EvalState::addPrimOps()
addPrimOp("removeAttrs", 2, primRemoveAttrs);
addPrimOp("relativise", 2, primRelativise);
}
+
+
+}