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authordos-reis <gdr@axiomatics.org>2011-02-08 19:44:03 +0000
committerdos-reis <gdr@axiomatics.org>2011-02-08 19:44:03 +0000
commitc3efb458ecde8f2b30f5b51ebeda24fbaf894ce9 (patch)
tree3121fd9043bf8eeb277305376461d6d1f595e354 /src/algebra
parent2a235748f5933b7514a01247afd5f73371a1e542 (diff)
downloadopen-axiom-c3efb458ecde8f2b30f5b51ebeda24fbaf894ce9.tar.gz
* interp/lisp-backend.boot: Translate %ident? to IDENTP, not SYMBOLP.
* interp/compiler.boot (compMatch): test for identifier, not atomic value. * algebra/syntax.spad.pamphlet (Syntax): Tidy.
Diffstat (limited to 'src/algebra')
-rw-r--r--src/algebra/syntax.spad.pamphlet24
1 files changed, 14 insertions, 10 deletions
diff --git a/src/algebra/syntax.spad.pamphlet b/src/algebra/syntax.spad.pamphlet
index c62ff29a..4f399fff 100644
--- a/src/algebra/syntax.spad.pamphlet
+++ b/src/algebra/syntax.spad.pamphlet
@@ -119,7 +119,11 @@ Syntax(): Public == Private where
import %integer?: % -> Boolean from Foreign Builtin
import %float?: % -> Boolean from Foreign Builtin
import %string?: % -> Boolean from Foreign Builtin
+ import %ident?: % -> Boolean from Foreign Builtin
+ import %pair?: % -> Boolean from Foreign Builtin
import %equal: (%,%) -> Boolean from Foreign Builtin
+ import %head: % -> % from Foreign Builtin
+ import %tail: % -> List % from Foreign Builtin
x = y ==
%equal(x,y)
@@ -134,7 +138,7 @@ Syntax(): Public == Private where
%string? s
s case Identifier ==
- IDENTP(s)$Lisp
+ %ident? s
coerce(x: %): OutputForm ==
-- For the moment, print syntax as s-expression.
@@ -214,23 +218,23 @@ Syntax(): Public == Private where
%peq(x,%nil)
atom?(x: %): Boolean ==
- ATOM(x)$Lisp
+ not %pair? x
getOperator x ==
atom? x => userError "atom as operand to getOperator"
- op: % := %head(x)$Foreign(Builtin)
- op case Identifier => op@Identifier
- op case Integer => op@Integer
- op case DoubleFloat => op@DoubleFloat
- op case String => op@String
- op
+ case (op := %head x) is
+ s@Identifier => s
+ i@Integer => i
+ d@DoubleFloat => d
+ s@String => s
+ otherwise => op
compound? x ==
- CONSP(x)$Lisp
+ %pair? x
getOperands x ==
atom? x => []
- %tail(x)$Foreign(Builtin)
+ %tail x
coerce(x: %): InputForm ==
x : InputForm