Differences

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--- at:tutorial:metaprogramming [2007/07/27 07:45]
jdedecker
+++ at:tutorial:metaprogramming [2008/08/01 14:31]
tvcutsem *
@@ Line 25: / Line 25: @@
 ==== Quasiquoting and splicing ====
+Quasiquoting and splicing are an advanced and powerful metaprogramming techniques that control the evaluation process and allow one to manipulate the evaluation process of the abstract syntax tree.
-=== Qouting ===
+=== Quoting ===
 Any valid AmbientTalk expression can be quoted. This prevents the expression from being evaluated. Instead, it is returned literally.
@@ Line 63: / Line 64: @@
 == Expressions ==
-To quote a complete expression, it has to be wrapped in parantheses:
+To quote a complete expression, it has to be wrapped in parentheses:
 <code>
@@ Line 101: / Line 102: @@
 With this construct, all the elements of the literal table are evaluated. By quoting a literal table, all the elements are quoted instead of evaluated:
 <code>
->def tab := `[ 1+2, 3+4, 5+6 ]
+>def anotherTab := `[ 1+2, 3+4, 5+6 ]
 >>[1.+(2), 3.+(4), 5.+(6)]
 </code>
@@ Line 194: / Line 195: @@
 >read: "1+2"
 >>1.+(2)
->eval: `(1+2) in: self
+>def result := eval: `(1+2) in: self
 >>3
->print: self
+>print: result
->>"<object:8322247>"
+>>"3"
 </code>
@@ Line 204: / Line 205: @@
 <code>
 >def o := object: { def x := 4 }
->><object:3281169>
+>><obj:{super,super:=,x,x:=}>
 >eval: `x in: o
 >>4
 </code>

Ambient-Oriented Programming