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* Removed URIs from the evaluator (NIX-66). They are now just another

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kind of notation for strings.
This commit is contained in:
Eelco Dolstra 2006-10-11 21:59:33 +00:00
parent b4e012ab4d
commit 7d4567f2cc
10 changed files with 16 additions and 21 deletions
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4
src/libexpr/eval.cc
View file

@ -254,8 +254,7 @@ string coerceToStringWithContext(EvalState & state,
}
ATerm s;
if (matchStr(e, s) || matchUri(e, s))
return aterm2String(s);
if (matchStr(e, s)) return aterm2String(s);
if (matchPath(e, s)) {
isPath = true;
@ -346,7 +345,6 @@ Expr evalExpr2(EvalState & state, Expr e)
/* Normal forms. */
if (sym == symStr ||
sym == symPath ||
sym == symUri ||
sym == symNull ||
sym == symInt ||
sym == symBool ||

3
src/libexpr/expr-to-xml.cc
View file

@ -36,9 +36,6 @@ static void printTermAsXML(Expr e, XMLWriter & doc, ATermList & context)
else if (matchPath(e, s))
doc.writeEmptyElement("path", singletonAttrs("value", aterm2String(s)));
else if (matchUri(e, s))
doc.writeEmptyElement("uri", singletonAttrs("value", aterm2String(s)));
else if (matchNull(e))
doc.writeEmptyElement("null");

1
src/libexpr/nixexpr-ast.def
View file

@ -26,7 +26,6 @@ Var | string | Expr |
Int | int | Expr |
Str | string | Expr |
Path | string | Expr |
Uri | string | Expr |
List | ATermList | Expr |
BlackHole | | Expr |
Undefined | | Expr |

2
src/libexpr/nixexpr.cc
View file

@ -301,7 +301,6 @@ string showType(Expr e)
int i1;
if (matchStr(e, t1)) return "a string";
if (matchPath(e, t1)) return "a path";
if (matchUri(e, t1)) return "a path";
if (matchNull(e)) return "null";
if (matchInt(e, i1)) return "an integer";
if (matchBool(e, t1)) return "a boolean";
@ -330,7 +329,6 @@ string showValue(Expr e)
return "\"" + u + "\"";
}
if (matchPath(e, s)) return aterm2String(s);
if (matchUri(e, s)) return aterm2String(s);
if (matchNull(e)) return "null";
if (matchInt(e, i)) return (format("%1%") % i).str();
if (e == eTrue) return "true";

4
src/libexpr/parser.y
View file

@ -3,7 +3,7 @@
%locations
%error-verbose
%defines
%no-lines
/* %no-lines */
%parse-param { yyscan_t scanner }
%parse-param { ParseData * data }
%lex-param { yyscan_t scanner }
@ -200,7 +200,7 @@ expr_simple
else $$ = makeConcatStrings(ATreverse($2));
}
| PATH { $$ = makePath(toATerm(absPath(aterm2String($1), data->basePath))); }
| URI { $$ = makeUri($1); }
| URI { $$ = makeStr($1); }
| '(' expr ')' { $$ = $2; }
/* Let expressions `let {..., body = ...}' are just desugared
into `(rec {..., body = ...}).body'. */

3
src/libexpr/primops.cc
View file

@ -137,7 +137,6 @@ void toString(EvalState & state, Expr e,
scripting convenience, just like `null'. */
if (matchStr(e, s)) result += aterm2String(s);
else if (matchUri(e, s)) result += aterm2String(s);
else if (e == eTrue) result += "1";
else if (e == eFalse) ;
else if (matchInt(e, n)) result += int2String(n);
@ -482,7 +481,7 @@ static Expr primDirOf(EvalState & state, const ATermVector & args)
ATerm coerceToString(Expr e)
{
ATerm s;
if (matchStr(e, s) || matchPath(e, s) || matchUri(e, s))
if (matchStr(e, s) || matchPath(e, s))
return s;
return 0;
}