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Add LookaheadRewriter for proper bitselwrite support

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Signed-off-by: Claire Wolf <claire@symbioticeda.com>
This commit is contained in:
Claire Wolf 2020-04-15 20:36:40 +02:00
parent 4711fea6c0
commit e1fb12a4b9
4 changed files with 144 additions and 4 deletions
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4
frontends/ast/ast.h
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@ -202,6 +202,9 @@ namespace AST
// this is used by simplify to detect if basic analysis has been performed already on the node
bool basic_prep;
// this is used for ID references in RHS expressions that should use the "new" value for non-blocking assignments
bool lookahead;
// this is the original sourcecode location that resulted in this AST node
// it is automatically set by the constructor using AST::current_filename and
// the AST::get_line_num() callback function.
@ -352,6 +355,7 @@ namespace AST_INTERNAL
extern AST::AstNode *current_always, *current_top_block, *current_block, *current_block_child;
extern AST::AstModule *current_module;
extern bool current_always_clocked;
struct LookaheadRewriter;
struct ProcessGenerator;
}