Merge pull request #4054 from ethereum/token-names

Improve parser error messages

19 files changed, 32 insertions, 32 deletions

diff --git a/test/libsolidity/InlineAssembly.cpp b/test/libsolidity/InlineAssembly.cpp
index 0ced1792..181ca959 100644
--- a/test/libsolidity/InlineAssembly.cpp
+++ b/test/libsolidity/InlineAssembly.cpp
@@ -170,7 +170,7 @@ BOOST_AUTO_TEST_CASE(smoke_test)
 
 BOOST_AUTO_TEST_CASE(surplus_input)
 {
-	CHECK_PARSE_ERROR("{ } { }", ParserError, "Expected token EOS");
+	CHECK_PARSE_ERROR("{ } { }", ParserError, "Expected end of source but got '{'");
 }
 
 BOOST_AUTO_TEST_CASE(simple_instructions)
@@ -246,7 +246,7 @@ BOOST_AUTO_TEST_CASE(functional)
 
 BOOST_AUTO_TEST_CASE(functional_partial)
 {
-	CHECK_PARSE_ERROR("{ let x := byte }", ParserError, "Expected token \"(\"");
+	CHECK_PARSE_ERROR("{ let x := byte }", ParserError, "Expected '(' (instruction \"byte\" expects 2 arguments)");
 }
 
 BOOST_AUTO_TEST_CASE(functional_partial_success)
@@ -290,10 +290,10 @@ BOOST_AUTO_TEST_CASE(if_statement_scope)
 
 BOOST_AUTO_TEST_CASE(if_statement_invalid)
 {
-	CHECK_PARSE_ERROR("{ if mload {} }", ParserError, "Expected token \"(\"");
+	CHECK_PARSE_ERROR("{ if mload {} }", ParserError, "Expected '(' (instruction \"mload\" expects 1 arguments)");
 	BOOST_CHECK("{ if calldatasize() {}");
 	CHECK_PARSE_ERROR("{ if mstore(1, 1) {} }", ParserError, "Instruction \"mstore\" not allowed in this context");
-	CHECK_PARSE_ERROR("{ if 32 let x := 3 }", ParserError, "Expected token LBrace");
+	CHECK_PARSE_ERROR("{ if 32 let x := 3 }", ParserError, "Expected '{' but got reserved keyword 'let'");
 }
 
 BOOST_AUTO_TEST_CASE(switch_statement)
@@ -320,7 +320,7 @@ BOOST_AUTO_TEST_CASE(switch_duplicate_case)
 BOOST_AUTO_TEST_CASE(switch_invalid_expression)
 {
 	CHECK_PARSE_ERROR("{ switch {} default {} }", ParserError, "Literal, identifier or instruction expected.");
-	CHECK_PARSE_ERROR("{ switch mload default {} }", ParserError, "Expected token \"(\"");
+	CHECK_PARSE_ERROR("{ switch mload default {} }", ParserError, "Expected '(' (instruction \"mload\" expects 1 arguments)");
 	CHECK_PARSE_ERROR("{ switch mstore(1, 1) default {} }", ParserError, "Instruction \"mstore\" not allowed in this context");
 }
 
@@ -341,7 +341,7 @@ BOOST_AUTO_TEST_CASE(switch_invalid_case)
 
 BOOST_AUTO_TEST_CASE(switch_invalid_body)
 {
-	CHECK_PARSE_ERROR("{ switch 42 case 1 mul case 2 {} default {} }", ParserError, "Expected token LBrace got 'Identifier'");
+	CHECK_PARSE_ERROR("{ switch 42 case 1 mul case 2 {} default {} }", ParserError, "Expected '{' but got identifier");
 }
 
 BOOST_AUTO_TEST_CASE(for_statement)
@@ -353,10 +353,10 @@ BOOST_AUTO_TEST_CASE(for_statement)
 BOOST_AUTO_TEST_CASE(for_invalid_expression)
 {
 	CHECK_PARSE_ERROR("{ for {} {} {} {} }", ParserError, "Literal, identifier or instruction expected.");
-	CHECK_PARSE_ERROR("{ for 1 1 {} {} }", ParserError, "Expected token LBrace got 'Number'");
-	CHECK_PARSE_ERROR("{ for {} 1 1 {} }", ParserError, "Expected token LBrace got 'Number'");
-	CHECK_PARSE_ERROR("{ for {} 1 {} 1 }", ParserError, "Expected token LBrace got 'Number'");
-	CHECK_PARSE_ERROR("{ for {} mload {} {} }", ParserError, "Expected token \"(\"");
+	CHECK_PARSE_ERROR("{ for 1 1 {} {} }", ParserError, "Expected '{' but got 'Number'");
+	CHECK_PARSE_ERROR("{ for {} 1 1 {} }", ParserError, "Expected '{' but got 'Number'");
+	CHECK_PARSE_ERROR("{ for {} 1 {} 1 }", ParserError, "Expected '{' but got 'Number'");
+	CHECK_PARSE_ERROR("{ for {} mload {} {} }", ParserError, "Expected '(' (instruction \"mload\" expects 1 arguments)");
 	CHECK_PARSE_ERROR("{ for {} mstore(1, 1) {} {} }", ParserError, "Instruction \"mstore\" not allowed in this context");
 }
 
@@ -437,13 +437,13 @@ BOOST_AUTO_TEST_CASE(invalid_tuple_assignment)
 
 BOOST_AUTO_TEST_CASE(instruction_too_few_arguments)
 {
-	CHECK_PARSE_ERROR("{ mul() }", ParserError, "Expected expression (\"mul\" expects 2 arguments)");
-	CHECK_PARSE_ERROR("{ mul(1) }", ParserError, "Expected comma (\"mul\" expects 2 arguments)");
+	CHECK_PARSE_ERROR("{ mul() }", ParserError, "Expected expression (instruction \"mul\" expects 2 arguments)");
+	CHECK_PARSE_ERROR("{ mul(1) }", ParserError, "Expected ',' (instruction \"mul\" expects 2 arguments)");
 }
 
 BOOST_AUTO_TEST_CASE(instruction_too_many_arguments)
 {
-	CHECK_PARSE_ERROR("{ mul(1, 2, 3) }", ParserError, "Expected ')' (\"mul\" expects 2 arguments)");
+	CHECK_PARSE_ERROR("{ mul(1, 2, 3) }", ParserError, "Expected ')' (instruction \"mul\" expects 2 arguments)");
 }
 
 BOOST_AUTO_TEST_CASE(recursion_depth)
diff --git a/test/libsolidity/SolidityParser.cpp b/test/libsolidity/SolidityParser.cpp
index f428f892..77686b03 100644
--- a/test/libsolidity/SolidityParser.cpp
+++ b/test/libsolidity/SolidityParser.cpp
@@ -992,7 +992,7 @@ BOOST_AUTO_TEST_CASE(keyword_is_reserved)
 	for (const auto& keyword: keywords)
 	{
 		auto text = std::string("contract ") + keyword + " {}";
-		CHECK_PARSE_ERROR(text.c_str(), "Expected token Identifier got reserved keyword");
+		CHECK_PARSE_ERROR(text.c_str(), "Expected identifier but got reserved keyword");
 	}
 }
 
diff --git a/test/libsolidity/StandardCompiler.cpp b/test/libsolidity/StandardCompiler.cpp
index f816905c..560c9013 100644
--- a/test/libsolidity/StandardCompiler.cpp
+++ b/test/libsolidity/StandardCompiler.cpp
@@ -326,8 +326,8 @@ BOOST_AUTO_TEST_CASE(compilation_error)
 		{
 			BOOST_CHECK_EQUAL(
 				dev::jsonCompactPrint(error),
-				"{\"component\":\"general\",\"formattedMessage\":\"fileA:1:23: ParserError: Expected token Identifier got 'RBrace'\\n"
-				"contract A { function }\\n                      ^\\n\",\"message\":\"Expected token Identifier got 'RBrace'\","
+				"{\"component\":\"general\",\"formattedMessage\":\"fileA:1:23: ParserError: Expected identifier but got '}'\\n"
+				"contract A { function }\\n                      ^\\n\",\"message\":\"Expected identifier but got '}'\","
 				"\"severity\":\"error\",\"sourceLocation\":{\"end\":22,\"file\":\"fileA\",\"start\":22},\"type\":\"ParserError\"}"
 			);
 		}
diff --git a/test/libsolidity/syntaxTests/functionTypes/function_type_constructor_local.sol b/test/libsolidity/syntaxTests/functionTypes/function_type_constructor_local.sol
index b7763d28..766b98b3 100644
--- a/test/libsolidity/syntaxTests/functionTypes/function_type_constructor_local.sol
+++ b/test/libsolidity/syntaxTests/functionTypes/function_type_constructor_local.sol
@@ -5,4 +5,4 @@ contract C {
     }
 }
 // ----
-// ParserError: (118-118): Expected token Semicolon got 'Identifier'
+// ParserError: (118-118): Expected ';' but got identifier
diff --git a/test/libsolidity/syntaxTests/parsing/constant_is_keyword.sol b/test/libsolidity/syntaxTests/parsing/constant_is_keyword.sol
index 59fe8518..da3fa1c6 100644
--- a/test/libsolidity/syntaxTests/parsing/constant_is_keyword.sol
+++ b/test/libsolidity/syntaxTests/parsing/constant_is_keyword.sol
@@ -2,4 +2,4 @@ contract Foo {
 	uint constant = 4;
 }
 // ----
-// ParserError: (30-30): Expected token Identifier got 'Assign'
+// ParserError: (30-30): Expected identifier but got '='
diff --git a/test/libsolidity/syntaxTests/parsing/emit_without_event.sol b/test/libsolidity/syntaxTests/parsing/emit_without_event.sol
index 5916fc2b..1af1d4ab 100644
--- a/test/libsolidity/syntaxTests/parsing/emit_without_event.sol
+++ b/test/libsolidity/syntaxTests/parsing/emit_without_event.sol
@@ -5,4 +5,4 @@ contract C {
 	}
 }
 // ----
-// ParserError: (49-49): Expected token LParen got 'Semicolon'
+// ParserError: (49-49): Expected '(' but got ';'
diff --git a/test/libsolidity/syntaxTests/parsing/event_with_no_argument_list.sol b/test/libsolidity/syntaxTests/parsing/event_with_no_argument_list.sol
index ae2591db..850c3627 100644
--- a/test/libsolidity/syntaxTests/parsing/event_with_no_argument_list.sol
+++ b/test/libsolidity/syntaxTests/parsing/event_with_no_argument_list.sol
@@ -2,4 +2,4 @@ contract c {
 	event e;
 }
 // ----
-// ParserError: (21-21): Expected token LParen got 'Semicolon'
+// ParserError: (21-21): Expected '(' but got ';'
diff --git a/test/libsolidity/syntaxTests/parsing/external_variable.sol b/test/libsolidity/syntaxTests/parsing/external_variable.sol
index 1d2e65e6..2de70e23 100644
--- a/test/libsolidity/syntaxTests/parsing/external_variable.sol
+++ b/test/libsolidity/syntaxTests/parsing/external_variable.sol
@@ -2,4 +2,4 @@ contract c {
 	uint external x;
 }
 // ----
-// ParserError: (19-19): Expected token Identifier got 'External'
+// ParserError: (19-19): Expected identifier but got 'external'
diff --git a/test/libsolidity/syntaxTests/parsing/fixed_literal_with_double_radix.sol b/test/libsolidity/syntaxTests/parsing/fixed_literal_with_double_radix.sol
index 43bb61fa..b3adc03d 100644
--- a/test/libsolidity/syntaxTests/parsing/fixed_literal_with_double_radix.sol
+++ b/test/libsolidity/syntaxTests/parsing/fixed_literal_with_double_radix.sol
@@ -2,4 +2,4 @@ contract A {
 	fixed40x40 pi = 3.14.15;
 }
 // ----
-// ParserError: (34-34): Expected token Semicolon got 'Number'
+// ParserError: (34-34): Expected ';' but got 'Number'
diff --git a/test/libsolidity/syntaxTests/parsing/function_type_as_storage_variable_with_modifiers.sol b/test/libsolidity/syntaxTests/parsing/function_type_as_storage_variable_with_modifiers.sol
index 12480459..198d250b 100644
--- a/test/libsolidity/syntaxTests/parsing/function_type_as_storage_variable_with_modifiers.sol
+++ b/test/libsolidity/syntaxTests/parsing/function_type_as_storage_variable_with_modifiers.sol
@@ -2,4 +2,4 @@ contract test {
 	function (uint, uint) modifier1() returns (uint) f1;
 }
 // ----
-// ParserError: (66-66): Expected token LBrace got 'Identifier'
+// ParserError: (66-66): Expected '{' but got identifier
diff --git a/test/libsolidity/syntaxTests/parsing/local_const_variable.sol b/test/libsolidity/syntaxTests/parsing/local_const_variable.sol
index 55673160..f06e2501 100644
--- a/test/libsolidity/syntaxTests/parsing/local_const_variable.sol
+++ b/test/libsolidity/syntaxTests/parsing/local_const_variable.sol
@@ -6,4 +6,4 @@ contract Foo {
 	}
 }
 // ----
-// ParserError: (67-67): Expected token Semicolon got 'Constant'
+// ParserError: (67-67): Expected ';' but got 'constant'
diff --git a/test/libsolidity/syntaxTests/parsing/location_specifiers_for_state_variables.sol b/test/libsolidity/syntaxTests/parsing/location_specifiers_for_state_variables.sol
index 0fc85177..9cc7a4fa 100644
--- a/test/libsolidity/syntaxTests/parsing/location_specifiers_for_state_variables.sol
+++ b/test/libsolidity/syntaxTests/parsing/location_specifiers_for_state_variables.sol
@@ -2,4 +2,4 @@ contract Foo {
 	uint[] memory x;
 }
 // ----
-// ParserError: (23-23): Expected token Identifier got 'Memory'
+// ParserError: (23-23): Expected identifier but got 'memory'
diff --git a/test/libsolidity/syntaxTests/parsing/malformed_enum_declaration.sol b/test/libsolidity/syntaxTests/parsing/malformed_enum_declaration.sol
index 5a6eb270..9fc7efff 100644
--- a/test/libsolidity/syntaxTests/parsing/malformed_enum_declaration.sol
+++ b/test/libsolidity/syntaxTests/parsing/malformed_enum_declaration.sol
@@ -2,4 +2,4 @@ contract c {
 	enum foo { WARNING,}
 }
 // ----
-// ParserError: (33-33): Expected Identifier after ','
+// ParserError: (33-33): Expected identifier after ','
diff --git a/test/libsolidity/syntaxTests/parsing/missing_parameter_name_in_named_args.sol b/test/libsolidity/syntaxTests/parsing/missing_parameter_name_in_named_args.sol
index 3604f3b2..b950c76a 100644
--- a/test/libsolidity/syntaxTests/parsing/missing_parameter_name_in_named_args.sol
+++ b/test/libsolidity/syntaxTests/parsing/missing_parameter_name_in_named_args.sol
@@ -3,4 +3,4 @@ contract test {
 	function b() returns (uint r) { r = a({: 1, : 2, : 3}); }
 }
 // ----
-// ParserError: (143-143): Expected token Identifier got 'Colon'
+// ParserError: (143-143): Expected identifier but got ':'
diff --git a/test/libsolidity/syntaxTests/parsing/missing_variable_name_in_declaration.sol b/test/libsolidity/syntaxTests/parsing/missing_variable_name_in_declaration.sol
index bb1d015b..15927f50 100644
--- a/test/libsolidity/syntaxTests/parsing/missing_variable_name_in_declaration.sol
+++ b/test/libsolidity/syntaxTests/parsing/missing_variable_name_in_declaration.sol
@@ -2,4 +2,4 @@ contract test {
     uint256 ;
 }
 // ----
-// ParserError: (28-28): Expected token Identifier got 'Semicolon'
+// ParserError: (28-28): Expected identifier but got ';'
diff --git a/test/libsolidity/syntaxTests/parsing/modifier_without_semicolon.sol b/test/libsolidity/syntaxTests/parsing/modifier_without_semicolon.sol
index 0d719db4..1b488837 100644
--- a/test/libsolidity/syntaxTests/parsing/modifier_without_semicolon.sol
+++ b/test/libsolidity/syntaxTests/parsing/modifier_without_semicolon.sol
@@ -2,4 +2,4 @@ contract c {
 	modifier mod { if (msg.sender == 0) _ }
 }
 // ----
-// ParserError: (52-52): Expected token Semicolon got 'RBrace'
+// ParserError: (52-52): Expected ';' but got '}'
diff --git a/test/libsolidity/syntaxTests/parsing/payable_accessor.sol b/test/libsolidity/syntaxTests/parsing/payable_accessor.sol
index 44b04afd..46bf6e13 100644
--- a/test/libsolidity/syntaxTests/parsing/payable_accessor.sol
+++ b/test/libsolidity/syntaxTests/parsing/payable_accessor.sol
@@ -2,4 +2,4 @@ contract test {
 	uint payable x;
 }
 // ----
-// ParserError: (22-22): Expected token Identifier got 'Payable'
+// ParserError: (22-22): Expected identifier but got 'payable'
diff --git a/test/libsolidity/syntaxTests/parsing/tuples_without_commas.sol b/test/libsolidity/syntaxTests/parsing/tuples_without_commas.sol
index d0e376b0..e283e0bb 100644
--- a/test/libsolidity/syntaxTests/parsing/tuples_without_commas.sol
+++ b/test/libsolidity/syntaxTests/parsing/tuples_without_commas.sol
@@ -4,4 +4,4 @@ contract C {
 	}
 }
 // ----
-// ParserError: (42-42): Expected token Comma got 'Number'
+// ParserError: (42-42): Expected ',' but got 'Number'
diff --git a/test/libsolidity/syntaxTests/parsing/var_array.sol b/test/libsolidity/syntaxTests/parsing/var_array.sol
index 86fc4fcb..d635a04b 100644
--- a/test/libsolidity/syntaxTests/parsing/var_array.sol
+++ b/test/libsolidity/syntaxTests/parsing/var_array.sol
@@ -2,4 +2,4 @@ contract Foo {
 	function f() { var[] a; }
 }
 // ----
-// ParserError: (34-34): Expected token Identifier got 'LBrack'
+// ParserError: (34-34): Expected identifier but got '['