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-rw-r--r--src/interp/define.boot10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/interp/define.boot b/src/interp/define.boot
index 89244baf..7228ea44 100644
--- a/src/interp/define.boot
+++ b/src/interp/define.boot
@@ -1768,11 +1768,13 @@ hasSigInTargetCategory(form,target,e) ==
first potentialSigList
++ Subroutine of compDefineCapsuleFunction.
-checkAndDeclare(form,sig,e) ==
+checkAndDeclare(db,form,sig,e) ==
-- arguments with declared types must agree with those in sig;
-- those that don't get declarations put into e
for a in form.args for m in sig.source repeat
isQuasiquote m => nil -- we just built m from a.
+ symbolMember?(a,dbParameters db) =>
+ stackAndThrow('"Redeclaration of constructor parameter %1b",[a])
m1:= getArgumentMode(a,e) =>
not modeEqual(m1,m) =>
stack:= [" ",:bright a,'"must have type ",m,
@@ -1826,8 +1828,8 @@ refineDefinitionSignature(form,signature,e) ==
signature'
++ Subroutine of compDefineCapsuleFunction.
-processDefinitionParameters(form,signature,e) ==
- e := checkAndDeclare(form,signature,e)
+processDefinitionParameters(db,form,signature,e) ==
+ e := checkAndDeclare(db,form,signature,e)
e := giveFormalParametersValues(form.args,e)
e := addDomain(signature.target,e)
e := compArgumentConditions e
@@ -1901,7 +1903,7 @@ compDefineCapsuleFunction(db,df is ['DEF,form,signature,body],
$formalArgList:= [:argl,:$formalArgList]
signature := refineDefinitionSignature(form,signature,e) or return nil
$signatureOfForm := signature --this global is bound in compCapsuleItems
- e := processDefinitionParameters(form,signature,e)
+ e := processDefinitionParameters(db,form,signature,e)
rettype := resolve(signature.target,$returnMode)
localOrExported :=