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add more ecmascript compilation -- functions work now

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* module/language/ecmascript/parse.scm (parse-ecmascript): Lambdas always
  just have one member in their bodies.

* module/language/ecmascript/compile-ghil.scm (comp): Add some more silly
  compilers.
This commit is contained in:
Andy Wingo 2009-02-18 01:17:14 +01:00
parent b912a1cd6b
commit 8fa6886d7a
2 changed files with 19 additions and 6 deletions
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13
module/language/ecmascript/compile-ghil.scm
View file

@ -59,6 +59,19 @@
(make-ghil-inline e l 'div (list (comp a e) (comp b e))))
((* ,a ,b)
(make-ghil-inline e l 'mul (list (comp a e) (comp b e))))
((ref ,id)
(make-ghil-ref e l (ghil-var-for-ref! e (string->symbol id))))
((define ,id ,val)
(make-ghil-define e l (ghil-var-define! (ghil-env-parent e) (string->symbol id))
(comp val e)))
((begin . ,forms)
(make-ghil-begin e l (map (lambda (x) (comp x e)) forms)))
((lambda ,formals ,body)
(call-with-ghil-environment e formals
(lambda (env vars)
(make-ghil-lambda env l vars #f '() (comp body env)))))
((call ,proc ,args)
(make-ghil-call e l (comp proc e) (map (lambda (x) (comp x e)) args)))
(else
(error "compilation not yet implemented:" x)))))

12
module/language/ecmascript/parse.scm
View file

@ -55,12 +55,12 @@
(SourceElement (Statement) -> $1
(FunctionDeclaration) -> $1)
(FunctionDeclaration (function Identifier lparen rparen lbrace FunctionBody rbrace) -> `(define ,$2 (lambda () ,@$6))
(function Identifier lparen FormalParameterList rparen lbrace FunctionBody rbrace) -> `(define ,$2 (lambda ,$4 ,@$7)))
(FunctionExpression (function lparen rparen lbrace FunctionBody rbrace) -> `(lambda () ,@$5)
(function Identifier lparen rparen lbrace FunctionBody rbrace) -> `(lambda () ,@$6)
(function lparen FormalParameterList rparen lbrace FunctionBody rbrace) -> `(lambda ,$3 ,@$6)
(function Identifier lparen FormalParameterList rparen lbrace FunctionBody rbrace) -> `(lambda ,$4 ,@$7))
(FunctionDeclaration (function Identifier lparen rparen lbrace FunctionBody rbrace) -> `(define ,$2 (lambda () ,$6))
(function Identifier lparen FormalParameterList rparen lbrace FunctionBody rbrace) -> `(define ,$2 (lambda ,$4 ,$7)))
(FunctionExpression (function lparen rparen lbrace FunctionBody rbrace) -> `(lambda () ,$5)
(function Identifier lparen rparen lbrace FunctionBody rbrace) -> `(lambda () ,$6)
(function lparen FormalParameterList rparen lbrace FunctionBody rbrace) -> `(lambda ,$3 ,$6)
(function Identifier lparen FormalParameterList rparen lbrace FunctionBody rbrace) -> `(lambda ,$4 ,$7))
(FormalParameterList (Identifier) -> `(,$1)
(FormalParameterList comma Identifier) -> `(,@$1 ,$3))
(SourceElements (SourceElement) -> $1