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authorKamil Rakoczy <krakoczy@antmicro.com>2020-06-03 13:51:57 +0200
committerKamil Rakoczy <krakoczy@antmicro.com>2020-06-24 11:53:50 +0200
commit416a66aee822c999a28f580cbcdb24cdf4e73a13 (patch)
treed827e2574f9417dc88f50fbd9446aaf42b360b18 /frontends/verilog/verilog_parser.y
parent0835a86e30fc2a934f5e6c96b28c90b59654ed92 (diff)
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Add or-assignment operator
Signed-off-by: Kamil Rakoczy <krakoczy@antmicro.com>
Diffstat (limited to 'frontends/verilog/verilog_parser.y')
-rw-r--r--frontends/verilog/verilog_parser.y10
1 files changed, 9 insertions, 1 deletions
diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y
index 15c231f3b..f7a73b00e 100644
--- a/frontends/verilog/verilog_parser.y
+++ b/frontends/verilog/verilog_parser.y
@@ -259,7 +259,7 @@ static void rewriteAsMemoryNode(AstNode *node, AstNode *rangeNode)
%token TOK_INTEGER TOK_SIGNED TOK_ASSIGN TOK_ALWAYS TOK_INITIAL
%token TOK_ALWAYS_FF TOK_ALWAYS_COMB TOK_ALWAYS_LATCH
%token TOK_BEGIN TOK_END TOK_IF TOK_ELSE TOK_FOR TOK_WHILE TOK_REPEAT
-%token TOK_DPI_FUNCTION TOK_POSEDGE TOK_NEGEDGE TOK_OR TOK_AUTOMATIC
+%token TOK_DPI_FUNCTION TOK_POSEDGE TOK_NEGEDGE TOK_OR TOK_OR_ASSIGN TOK_AUTOMATIC
%token TOK_CASE TOK_CASEX TOK_CASEZ TOK_ENDCASE TOK_DEFAULT
%token TOK_FUNCTION TOK_ENDFUNCTION TOK_TASK TOK_ENDTASK TOK_SPECIFY
%token TOK_IGNORED_SPECIFY TOK_ENDSPECIFY TOK_SPECPARAM TOK_SPECIFY_AND TOK_IGNORED_SPECIFY_AND
@@ -2334,6 +2334,14 @@ simple_behavioral_stmt:
ast_stack.back()->children.push_back(node);
SET_AST_NODE_LOC(node, @2, @5);
append_attr(node, $1);
+ } |
+ attr lvalue TOK_OR_ASSIGN delay expr {
+ AstNode *or_node = new AstNode(AST_BIT_OR, $2->clone(), $5);
+ SET_AST_NODE_LOC(or_node, @2, @5);
+ AstNode *node = new AstNode(AST_ASSIGN_EQ, $2, or_node);
+ SET_AST_NODE_LOC(node, @2, @5);
+ ast_stack.back()->children.push_back(node);
+ append_attr(node, $1);
};
// this production creates the obligatory if-else shift/reduce conflict