Support storage slots

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "solidity-antlr4"]
 	path = solidity-antlr4
-	url = https://github.com/solidityj/solidity-antlr4
+	url = https://github.com/BeamNetwork/solidity-antlr4.git

lib/grammar/Solidity.tokens

@@ -139,23 +139,23 @@ LINE_COMMENT=119
 'is'=20
 '('=21
 ')'=22
-'using'=23
-'for'=24
-'struct'=25
-'constructor'=26
-'modifier'=27
-'function'=28
-'returns'=29
-'event'=30
-'enum'=31
-'['=32
-']'=33
-'address'=34
-'.'=35
-'mapping'=36
-'=>'=37
-'memory'=38
-'storage'=39
+'storage'=23
+'['=24
+']'=25
+'using'=26
+'for'=27
+'struct'=28
+'constructor'=29
+'modifier'=30
+'function'=31
+'returns'=32
+'event'=33
+'enum'=34
+'address'=35
+'.'=36
+'mapping'=37
+'=>'=38
+'memory'=39
 'calldata'=40
 'if'=41
 'else'=42

lib/grammar/SolidityLexer.tokens

@@ -139,23 +139,23 @@ LINE_COMMENT=119
 'is'=20
 '('=21
 ')'=22
-'using'=23
-'for'=24
-'struct'=25
-'constructor'=26
-'modifier'=27
-'function'=28
-'returns'=29
-'event'=30
-'enum'=31
-'['=32
-']'=33
-'address'=34
-'.'=35
-'mapping'=36
-'=>'=37
-'memory'=38
-'storage'=39
+'storage'=23
+'['=24
+']'=25
+'using'=26
+'for'=27
+'struct'=28
+'constructor'=29
+'modifier'=30
+'function'=31
+'returns'=32
+'event'=33
+'enum'=34
+'address'=35
+'.'=36
+'mapping'=37
+'=>'=38
+'memory'=39
 'calldata'=40
 'if'=41
 'else'=42

lib/grammar/SolidityListener.js

@@ -119,6 +119,15 @@ SolidityListener.prototype.exitContractPart = function(ctx) {
 };
 
 
+// Enter a parse tree produced by SolidityParser#storageSlot.
+SolidityListener.prototype.enterStorageSlot = function(ctx) {
+};
+
+// Exit a parse tree produced by SolidityParser#storageSlot.
+SolidityListener.prototype.exitStorageSlot = function(ctx) {
+};
+
+
 // Enter a parse tree produced by SolidityParser#stateVariableDeclaration.
 SolidityListener.prototype.enterStateVariableDeclaration = function(ctx) {
 };

lib/rules/miscellaneous/index.js

@@ -1,5 +1,6 @@
 const QuotesChecker = require('./quotes')
+const StorageConsistencyChecker = require('./storage-consistency.js')
 
 module.exports = function checkers(reporter, config) {
-  return [new QuotesChecker(reporter, config)]
+  return [new QuotesChecker(reporter, config), new StorageConsistencyChecker(reporter, config)]
 }