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-rw-r--r--src/interp/i-object.boot6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/interp/i-object.boot b/src/interp/i-object.boot
index 19d27c76..07fda0f6 100644
--- a/src/interp/i-object.boot
+++ b/src/interp/i-object.boot
@@ -123,7 +123,8 @@ asTupleAsList(at) == VEC2LIST asTupleAsVector at
--% Basic Object Type Identification
-++ The VAT class for literals values.
+++ The VAT class for literal values. Also used in the
+++ algebra interface to the interpreter.
$immediateDataSymbol ==
"--immediateData--"
@@ -205,6 +206,7 @@ isLeaf x ==
atom x --may be a number or a vector
++ returns the mode of the VAT node x.
+++ Also used by the algebra interface to the interpreter.
getMode x ==
x is [op,:.] => getMode op
VECP x => x.1
@@ -219,6 +221,7 @@ putMode(x,y) ==
++ returns an interpreter object that represents the value of node x.
++ Note that an interpreter object is a pair of mode and value.
+++ Also used by the algebra interface to the interperter.
getValue x ==
VECP x => x.2
atom x =>
@@ -238,6 +241,7 @@ putValueValue(vec,val) ==
vec
++ Returns the node class of x, if possible; otherwise nil.
+++ Also used by the algebra interface to the interpreter.
getUnnameIfCan x ==
VECP x => x.0
x is [op,:.] => getUnnameIfCan op