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First hit at providing support for floats in the language.

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This commit is contained in:
Christian Theune 2016-01-05 00:40:40 +01:00
parent b8258a4475
commit 14ebde5289
16 changed files with 207 additions and 23 deletions
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11
src/libexpr/value.hh
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@ -22,6 +22,7 @@ typedef enum {
tPrimOp,
tPrimOpApp,
tExternal,
tFloat
} ValueType;
@ -38,6 +39,7 @@ class XMLWriter;
typedef long NixInt;
typedef double NixFloat;
/* External values must descend from ExternalValueBase, so that
* type-agnostic nix functions (e.g. showType) can be implemented
@ -141,6 +143,7 @@ struct Value
Value * left, * right;
} primOpApp;
ExternalValueBase * external;
NixFloat fpoint;
};
bool isList() const
@ -181,6 +184,14 @@ static inline void mkInt(Value & v, NixInt n)
}
static inline void mkFloat(Value & v, NixFloat n)
{
clearValue(v);
v.type = tFloat;
v.fpoint = n;
}
static inline void mkBool(Value & v, bool b)
{
clearValue(v);