Add memory port related keywords.

Author: whitequark

examples/memory.uir

@@ -0,0 +1,43 @@
+%0:1 = input "clk"
+%1:5 = input "waddr"
+%2:32 = input "wdata"
+%3:5 = input "raddr"
+%4:1 = input "ren"
+%5:32 = memory depth=#32 width=#32 {
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  init 00000000000000000000000000000000
+  write addr=%1:5 data=%2:32 mask=11111111111111111111111111111111 clk=%0
+  read addr=%3:5 width=#32 clk=%0 en=%4 [rdfirst]
+}
+%6:32 = dff %5:32 clk=%0 init=00000000000000000000000000000000
+%7:0 = output "rdata" %6:32

package.json

@@ -6,7 +6,7 @@
     "author": "Catherine <[email protected]>",
     "license": "BSD-0-Clause",
     "homepage": "https://github.com/prjunnamed/",
-    "version": "0.2.1",
+    "version": "0.2.2",
     "repository": {
         "type": "git",
         "url": "https://github.com/prjunnamed/vscode-syntax.git"

syntaxes/prjunnamed.tmLanguage.json

@@ -12,6 +12,7 @@
         {"include": "#cell-ref"},
         {"include": "#cell-ref-added"},
         {"include": "#cell-name"},
+        {"include": "#memory-cell"},
         {"include": "#diff-added"},
         {"include": "#diff-removed"}
       ]
@@ -53,9 +54,31 @@
       "name": "markup.inserted.prjunnamed"
     },
     "cell-name": {
-      "match": "buf|not|and|or|xor|mux|adc|eq|ult|slt|shl|ushr|sshr|xshr|mul|udiv|umod|sdiv_trunc|sdiv_floor|smod_trunc|smod_floor|match|assign|dff|memory|iobuf|target|input|output|name",
+      "match": "buf|not|and|or|xor|mux|adc|eq|ult|slt|shl|ushr|sshr|xshr|mul|udiv|umod|sdiv_trunc|sdiv_floor|smod_trunc|smod_floor|match|assign|dff|iobuf|target|input|output|name",
       "name": "keyword.other.cell.prjunnamed"
     },
+    "memory-cell": {
+      "begin": "memory",
+      "end": "^\\s*}",
+      "beginCaptures": {"0": {"name": "keyword.other.cell.prjunnamed"}},
+      "patterns": [
+        {"include": "#comment"},
+        {"include": "#decimal"},
+        {"include": "#ternary"},
+        {"include": "#cell-ref"},
+        {"include": "#cell-ref-added"},
+        {"include": "#memory-clause"},
+        {"include": "#memory-port-relation"}
+      ]
+    },
+    "memory-clause": {
+      "match": "init|write|read",
+      "name": "keyword.other.memory-clause.prjunnamed"
+    },
+    "memory-port-relation": {
+      "match": "undef|rdfirst|trans",
+      "name": "keyword.other.memory-port-relation.prjunnamed"
+    },
     "diff-added": {
       "begin": "^\\+%_?\\d+(:\\d+)?(\\+\\d+)?",
       "end": "\n",