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Expression
(typical binary expression)
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u |
int
op; //
Operator ID
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Expression
left; // LHS expression
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Expression
right; // RHS expression
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Type
type; // Type of the
expression
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Annotation
ann; // Embedded
annotation (default: null)
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code()
{ // Convert
AST to backend intermediate
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//
codes (low-level bytecodes)
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if (ann) ann.perform();
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//
call-back for metacomputation
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left.code(); // generate code for LHS
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right.code(); // generate code for RHS
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add(op); } // generate code for “operator”
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u |
simplify() // Simplify
expression form. For example,
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//
convert “ax1” to “a”
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