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Geza Lore
65e08f4dbf
Apart from the representational changes below, this patch renames AstNodeMath to AstNodeExpr, and AstCMath to AstCExpr. Now every expression (i.e.: those AstNodes that represent a [possibly void] value, with value being interpreted in a very general sense) has AstNodeExpr as a super class. This necessitates the introduction of an AstStmtExpr, which represents an expression in statement position, e.g : 'foo();' would be represented as AstStmtExpr(AstCCall(foo)). In exchange we can get rid of isStatement() in AstNodeStmt, which now really always represent a statement Peak memory consumption and verilation speed are not measurably changed. Partial step towards #3420