[test] Update tests to include location string.

test/libsolidity/syntaxTests/fallback/default_visibility.sol

@@ -3,5 +3,5 @@ contract C {
     fallback() {}
 }
 // ----
-// SyntaxError 4937: (90-103): No visibility specified. Did you intend to add "external"?
-// TypeError 1159: (90-103): Fallback function must be defined as "external".
+// SyntaxError 4937: (90-103='fallback() {}'): No visibility specified. Did you intend to add "external"?
+// TypeError 1159: (90-103='fallback() {}'): Fallback function must be defined as "external".

test/libsolidity/syntaxTests/fallback/fallback_as_function_name.sol

@@ -2,4 +2,4 @@ contract C {
     function fallback() external pure {}
 }
 // ----
-// Warning 3445: (26-34): This function is named "fallback" but is not the fallback function of the contract. If you intend this to be a fallback function, use "fallback(...) { ... }" without the "function" keyword to define it.
+// Warning 3445: (26-34='fallback'): This function is named "fallback" but is not the fallback function of the contract. If you intend this to be a fallback function, use "fallback(...) { ... }" without the "function" keyword to define it.

test/libsolidity/syntaxTests/fallback/fallback_duplicate_returns.sol

@@ -3,4 +3,4 @@ contract C {
     fallback() external {}
 }
 // ----
-// DeclarationError 7301: (96-118): Only one fallback function is allowed.
+// DeclarationError 7301: (96-118='fallback() external {}'): Only one fallback function is allowed.

test/libsolidity/syntaxTests/fallback/fallback_duplicate_returns_inheritance.sol

@@ -5,5 +5,5 @@ contract D is C {
     fallback() external {}
 }
 // ----
-// TypeError 9456: (116-138): Overriding function is missing "override" specifier.
+// TypeError 9456: (116-138='fallback() external {}'): Overriding function is missing "override" specifier.
 // TypeError 4334: (17-91): Trying to override non-virtual function. Did you forget to add "virtual"?

test/libsolidity/syntaxTests/fallback/fallback_wrong_data_location.sol

@@ -8,6 +8,6 @@ contract F {
     fallback(bytes calldata) external returns (bytes calldata) {}
 }
 // ----
-// TypeError 5570: (57-71): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
-// TypeError 5570: (134-150): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
-// TypeError 5570: (215-231): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
+// TypeError 5570: (57-71='(bytes memory)'): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
+// TypeError 5570: (134-150='(bytes calldata)'): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
+// TypeError 5570: (215-231='(bytes calldata)'): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".

test/libsolidity/syntaxTests/fallback/no_input_no_output.sol

@@ -5,5 +5,5 @@ contract D {
     fallback(bytes calldata _input) external {}
 }
 // ----
-// TypeError 5570: (45-67): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
+// TypeError 5570: (45-67='(bytes memory _output)'): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
 // TypeError 5570: (131-131): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".

test/libsolidity/syntaxTests/fallback/old_syntax.sol

@@ -2,4 +2,4 @@ contract C {
     function() external {}
 }
 // ----
-// ParserError 2915: (37-38): Expected a state variable declaration. If you intended this as a fallback function or a function to handle plain ether transactions, use the "fallback" keyword or the "receive" keyword instead.
+// ParserError 2915: (37-38='{'): Expected a state variable declaration. If you intended this as a fallback function or a function to handle plain ether transactions, use the "fallback" keyword or the "receive" keyword instead.

test/libsolidity/syntaxTests/fallback/return_value_number.sol

@@ -2,4 +2,4 @@ contract C {
     fallback() external returns (bytes memory, bytes memory) {}
 }
 // ----
-// TypeError 5570: (45-73): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
+// TypeError 5570: (45-73='(bytes memory, bytes memory)'): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".

test/libsolidity/syntaxTests/fallback/return_value_type.sol

@@ -2,4 +2,4 @@ contract C {
     fallback() external returns (uint256) {}
 }
 // ----
-// TypeError 5570: (45-54): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
+// TypeError 5570: (45-54='(uint256)'): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".

test/libsolidity/syntaxTests/fallback/return_value_unsupported.sol

@@ -2,4 +2,4 @@ contract C {
     fallback() external returns (bytes memory) {}
 }
 // ----
-// TypeError 5570: (45-59): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".
+// TypeError 5570: (45-59='(bytes memory)'): Fallback function either has to have the signature "fallback()" or "fallback(bytes calldata) returns (bytes memory)".