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authorClifford Wolf <clifford@clifford.at>2014-07-28 12:12:13 +0200
committerClifford Wolf <clifford@clifford.at>2014-07-28 12:12:13 +0200
commit3c45277ee0f5822181c6058f679de632f834e7d2 (patch)
tree7bdf9f8d7a57a3744dc8d869343c710ca1055f1c /frontends/ilang
parent7bd2d1064f2eceddc3c93c121c4154a2f594a040 (diff)
Added wire->upto flag for signals such as "wire [0:7] x;"
Diffstat (limited to 'frontends/ilang')
-rw-r--r--frontends/ilang/lexer.l1
-rw-r--r--frontends/ilang/parser.y5
2 files changed, 5 insertions, 1 deletions
diff --git a/frontends/ilang/lexer.l b/frontends/ilang/lexer.l
index c40b81af..f3bdeb1a 100644
--- a/frontends/ilang/lexer.l
+++ b/frontends/ilang/lexer.l
@@ -51,6 +51,7 @@
"wire" { return TOK_WIRE; }
"memory" { return TOK_MEMORY; }
"width" { return TOK_WIDTH; }
+"upto" { return TOK_UPTO; }
"offset" { return TOK_OFFSET; }
"size" { return TOK_SIZE; }
"input" { return TOK_INPUT; }
diff --git a/frontends/ilang/parser.y b/frontends/ilang/parser.y
index a594adfb..38d3054b 100644
--- a/frontends/ilang/parser.y
+++ b/frontends/ilang/parser.y
@@ -54,7 +54,7 @@ using namespace ILANG_FRONTEND;
%token TOK_CELL TOK_CONNECT TOK_SWITCH TOK_CASE TOK_ASSIGN TOK_SYNC
%token TOK_LOW TOK_HIGH TOK_POSEDGE TOK_NEGEDGE TOK_EDGE TOK_ALWAYS TOK_INIT
%token TOK_UPDATE TOK_PROCESS TOK_END TOK_INVALID TOK_EOL TOK_OFFSET
-%token TOK_PARAMETER TOK_ATTRIBUTE TOK_MEMORY TOK_SIZE TOK_SIGNED
+%token TOK_PARAMETER TOK_ATTRIBUTE TOK_MEMORY TOK_SIZE TOK_SIGNED TOK_UPTO
%type <sigspec> sigspec sigspec_list
%type <integer> sync_type
@@ -135,6 +135,9 @@ wire_options:
wire_options TOK_WIDTH TOK_INT {
current_wire->width = $3;
} |
+ wire_options TOK_UPTO {
+ current_wire->upto = true;
+ } |
wire_options TOK_OFFSET TOK_INT {
current_wire->start_offset = $3;
} |