Error messages refer to "undefined" symbols and sections

include/util.hpp

@@ -14,6 +14,7 @@
 
 bool isWhitespace(int c);
 bool isNewline(int c);
+bool isPrintable(int c);
 
 bool startsIdentifier(int c);
 bool continuesIdentifier(int c);

src/asm/actions.cpp

@@ -594,9 +594,9 @@ std::string act_SectionName(std::string const &symName) {
 	Symbol *sym = sym_FindScopedValidSymbol(symName);
 	if (!sym) {
 		if (sym_IsPurgedScoped(symName)) {
-			fatal("Unknown symbol \"%s\"; it was purged", symName.c_str());
+			fatal("Undefined symbol \"%s\"; it was purged", symName.c_str());
 		} else {
-			fatal("Unknown symbol \"%s\"", symName.c_str());
+			fatal("Undefined symbol \"%s\"", symName.c_str());
 		}
 	}
 

src/asm/fstack.cpp

@@ -370,9 +370,9 @@ void fstk_RunMacro(std::string const &macroName, std::shared_ptr<MacroArgs> macr
 
 	if (!macro) {
 		if (sym_IsPurgedExact(macroName)) {
-			error("Macro \"%s\" not defined; it was purged", macroName.c_str());
+			error("Undefined macro \"%s\"; it was purged", macroName.c_str());
 		} else {
-			error("Macro \"%s\" not defined", macroName.c_str());
+			error("Undefined macro \"%s\"", macroName.c_str());
 		}
 		return;
 	}

src/asm/lexer.cpp

@@ -579,7 +579,7 @@ static uint32_t readBracketedMacroArgNum() {
 
 	c = bumpChar();
 	if (c != '>') {
-		error("Invalid character in bracketed macro argument %s", printChar(c));
+		error("Invalid character %s in bracketed macro argument", printChar(c));
 		return 0;
 	} else if (empty) {
 		error("Empty bracketed macro argument");
@@ -911,7 +911,7 @@ static void discardLineContinuation() {
 			error("Invalid line continuation at end of file");
 			break;
 		} else {
-			error("Invalid character after line continuation %s", printChar(c));
+			error("Invalid character %s after line continuation", printChar(c));
 			break;
 		}
 	}
@@ -1568,17 +1568,19 @@ static bool isGarbageCharacter(int c) {
 static void reportGarbageCharacters(int c) {
 	// '#' can be garbage if it doesn't start a raw string or identifier
 	assume(isGarbageCharacter(c) || c == '#');
+	bool isAscii = isPrintable(c);
 	if (isGarbageCharacter(peek())) {
 		// At least two characters are garbage; group them into one error report
 		std::string garbage = printChar(c);
 		while (isGarbageCharacter(peek())) {
 			c = bumpChar();
+			isAscii &= isPrintable(c);
 			garbage += ", ";
 			garbage += printChar(c);
 		}
-		error("Unknown characters %s", garbage.c_str());
+		error("Invalid characters %s%s", garbage.c_str(), isAscii ? "" : " (is the file UTF-8?)");
 	} else {
-		error("Unknown character %s", printChar(c));
+		error("Invalid character %s%s", printChar(c), isAscii ? "" : " (is the file UTF-8?)");
 	}
 }
 

src/asm/symbol.cpp

@@ -284,9 +284,9 @@ void sym_Purge(std::string const &symName) {
 
 	if (!sym) {
 		if (sym_IsPurgedScoped(symName)) {
-			error("'%s' was already purged", symName.c_str());
+			error("Undefined symbol '%s' was already purged", symName.c_str());
 		} else {
-			error("'%s' not defined", symName.c_str());
+			error("Undefined symbol '%s'", symName.c_str());
 		}
 	} else if (sym->isBuiltin) {
 		error("Built-in symbol '%s' cannot be purged", symName.c_str());

src/link/layout.cpp

@@ -223,7 +223,7 @@ void layout_PlaceSection(std::string const &name, bool isOptional) {
 	Section *section = sect_GetSection(name.c_str());
 	if (!section) {
 		if (!isOptional) {
-			lexer_Error("Unknown section \"%s\"", name.c_str());
+			lexer_Error("Undefined section \"%s\"", name.c_str());
 		}
 		return;
 	}

src/link/patch.cpp

@@ -277,7 +277,7 @@ static int32_t computeRPNExpr(Patch const &patch, std::vector<Symbol> const &fil
 			if (Symbol const *symbol = getSymbol(fileSymbols, value); !symbol) {
 				errorAt(
 				    patch,
-				    "Requested BANK() of symbol \"%s\", which was not found",
+				    "Requested BANK() of undefined symbol \"%s\"",
 				    fileSymbols[value].name.c_str()
 				);
 				isError = true;
@@ -302,7 +302,7 @@ static int32_t computeRPNExpr(Patch const &patch, std::vector<Symbol> const &fil
 			while (getRPNByte(expression, size, patch)) {}
 
 			if (Section const *sect = sect_GetSection(name); !sect) {
-				errorAt(patch, "Requested BANK() of section \"%s\", which was not found", name);
+				errorAt(patch, "Requested BANK() of undefined section \"%s\"", name);
 				isError = true;
 				value = 1;
 			} else {
@@ -327,7 +327,7 @@ static int32_t computeRPNExpr(Patch const &patch, std::vector<Symbol> const &fil
 			while (getRPNByte(expression, size, patch)) {}
 
 			if (Section const *sect = sect_GetSection(name); !sect) {
-				errorAt(patch, "Requested SIZEOF() of section \"%s\", which was not found", name);
+				errorAt(patch, "Requested SIZEOF() of undefined section \"%s\"", name);
 				isError = true;
 				value = 1;
 			} else {
@@ -342,7 +342,7 @@ static int32_t computeRPNExpr(Patch const &patch, std::vector<Symbol> const &fil
 			while (getRPNByte(expression, size, patch)) {}
 
 			if (Section const *sect = sect_GetSection(name); !sect) {
-				errorAt(patch, "Requested STARTOF() of section \"%s\", which was not found", name);
+				errorAt(patch, "Requested STARTOF() of undefined section \"%s\"", name);
 				isError = true;
 				value = 1;
 			} else {
@@ -427,7 +427,7 @@ static int32_t computeRPNExpr(Patch const &patch, std::vector<Symbol> const &fil
 					isError = true;
 				}
 			} else if (Symbol const *symbol = getSymbol(fileSymbols, value); !symbol) {
-				errorAt(patch, "Unknown symbol \"%s\"", fileSymbols[value].name.c_str());
+				errorAt(patch, "Undefined symbol \"%s\"", fileSymbols[value].name.c_str());
 				sym_DumpLocalAliasedSymbols(fileSymbols[value].name);
 				isError = true;
 			} else if (std::holds_alternative<Label>(symbol->data)) {

src/util.cpp

@@ -13,6 +13,10 @@ bool isNewline(int c) {
 	return c == '\r' || c == '\n';
 }
 
+bool isPrintable(int c) {
+	return c >= ' ' && c <= '~';
+}
+
 bool startsIdentifier(int c) {
 	// This returns false for anonymous labels, which internally start with a '!',
 	// and for section fragment literal labels, which internally start with a '$'.
@@ -34,7 +38,7 @@ char const *printChar(int c) {
 	}
 
 	// Handle printable ASCII characters
-	if (c >= ' ' && c <= '~') {
+	if (isPrintable(c)) {
 		buf[0] = '\'';
 		buf[1] = c;
 		buf[2] = '\'';

test/asm/blue-paint.err

@@ -1,15 +1,15 @@
 error: blue-paint.asm(9) -> blue-paint.asm::arg_to_arg(7):
-    Invalid character after line continuation '3'
+    Invalid character '3' after line continuation
 error: blue-paint.asm(9) -> blue-paint.asm::arg_to_arg(7):
     syntax error, unexpected number
 error: blue-paint.asm(9) -> blue-paint.asm::arg_to_arg(7):
-    Unknown character '}'
+    Invalid character '}'
 error: blue-paint.asm(15) -> blue-paint.asm::arg_to_interp(13):
-    Unknown character '{'
+    Invalid character '{'
 error: blue-paint.asm(15) -> blue-paint.asm::arg_to_interp(13):
-    Unknown character '}'
+    Invalid character '}'
 error: blue-paint.asm(26) -> blue-paint.asm::endless(24):
-    Invalid character after line continuation '1'
+    Invalid character '1' after line continuation
 error: blue-paint.asm(26) -> blue-paint.asm::endless(24):
     syntax error, unexpected number
 FATAL: blue-paint.asm(30):

test/asm/builtin-reserved.err

@@ -1,5 +1,5 @@
 error: builtin-reserved.asm(3):
-    '_NARG' not defined
+    Undefined symbol '_NARG'
 error: builtin-reserved.asm(5):
     '_NARG' is reserved for a built-in symbol
 error: builtin-reserved.asm(6):
@@ -15,7 +15,7 @@ error: builtin-reserved.asm(12):
 error: builtin-reserved.asm(15):
     '_NARG' is reserved for a built-in symbol
 error: builtin-reserved.asm(20):
-    '.' not defined
+    Undefined symbol '.'
 error: builtin-reserved.asm(22):
     '.' is reserved for a built-in symbol
 error: builtin-reserved.asm(23):

test/asm/character-escapes.err

@@ -1,7 +1,7 @@
 error: character-escapes.asm(10) -> character-escapes.asm::m(6):
     Illegal character escape 'z'
 error: character-escapes.asm(10) -> character-escapes.asm::m(7):
-    Invalid character in bracketed macro argument '\'
+    Invalid character '\' in bracketed macro argument
 error: character-escapes.asm(10) -> character-escapes.asm::m(8):
-    Invalid character in bracketed macro argument '\t'
+    Invalid character '\t' in bracketed macro argument
 Assembly aborted with 3 errors!

test/asm/code-after-endm-endr-endc.err

@@ -1,7 +1,7 @@
 error: code-after-endm-endr-endc.asm(6):
     syntax error, unexpected PRINTLN, expecting end of line or end of buffer or end of fragment literal
 error: code-after-endm-endr-endc.asm(7):
-    Macro "mac" not defined
+    Undefined macro "mac"
 error: code-after-endm-endr-endc.asm(12):
     syntax error, unexpected PRINTLN, expecting end of line or end of buffer or end of fragment literal
 error: code-after-endm-endr-endc.asm(17):

test/asm/double-purge.err

@@ -1,3 +1,3 @@
 error: double-purge.asm(3):
-    'n' was already purged
+    Undefined symbol 'n' was already purged
 Assembly aborted with 1 error!

test/asm/empty-raw-identifier.err

@@ -1,5 +1,5 @@
 error: empty-raw-identifier.asm(5) -> empty-raw-identifier.asm::macro(3):
-    Invalid character in bracketed macro argument '?'
+    Invalid character '?' in bracketed macro argument
 error: empty-raw-identifier.asm(5) -> empty-raw-identifier.asm::macro(3):
     Empty raw symbol in bracketed macro argument
 Assembly aborted with 2 errors!

test/asm/garbage_char.err

@@ -1,3 +1,3 @@
 error: garbage_char.asm(1):
-    Unknown character 0xFF
+    Invalid character 0xFF (is the file UTF-8?)
 Assembly aborted with 1 error!

test/asm/garbage_sequence.err

@@ -1,11 +1,11 @@
 error: garbage_sequence.asm(1):
-    Unknown character '#'
+    Invalid character '#'
 error: garbage_sequence.asm(2):
-    Unknown characters '?', 0xFF
+    Invalid characters '?', 0xFF (is the file UTF-8?)
 error: garbage_sequence.asm(3):
-    Unknown characters '?', 0xFF, '?'
+    Invalid characters '?', 0xFF, '?' (is the file UTF-8?)
 error: garbage_sequence.asm(3):
-    Unknown character '#'
+    Invalid character '#'
 error: garbage_sequence.asm(3):
-    Unknown characters '#', '?', '?'
+    Invalid characters '#', '?', '?'
 Assembly aborted with 5 errors!

test/asm/invalid-macro-arg-character.err

@@ -1,5 +1,5 @@
 error: invalid-macro-arg-character.asm(1):
-    Invalid character in bracketed macro argument '!'
+    Invalid character '!' in bracketed macro argument
 error: invalid-macro-arg-character.asm(1):
     syntax error, unexpected >
 Assembly aborted with 2 errors!

test/asm/invalid-utf-8.err

@@ -1,3 +1,3 @@
 error: invalid-utf-8.asm(6) -> invalid-utf-8.asm::m(4):
-    Unknown characters 0xCF, 0xD3
+    Invalid characters 0xCF, 0xD3 (is the file UTF-8?)
 Assembly aborted with 1 error!

test/asm/label-scope.err

@@ -1,9 +1,9 @@
 error: label-scope.asm(3):
-    '@' not defined
+    Undefined symbol '@'
 error: label-scope.asm(3):
-    '.' not defined
+    Undefined symbol '.'
 error: label-scope.asm(3):
-    '..' not defined
+    Undefined symbol '..'
 error: label-scope.asm(12):
     Built-in symbol '@' cannot be purged
 error: label-scope.asm(12):

test/asm/lexer-hack.err

@@ -3,7 +3,7 @@ error: lexer-hack.asm(22):
 error: lexer-hack.asm(24):
     'mac' already defined at lexer-hack.asm(1)
 error: lexer-hack.asm(27):
-    Macro "undef" not defined
+    Undefined macro "undef"
 error: lexer-hack.asm(28):
-    Macro "undef" not defined
+    Undefined macro "undef"
 Assembly aborted with 4 errors!

test/asm/line-continuation-block-comment.err

@@ -1,13 +1,13 @@
 error: line-continuation-block-comment.asm(6):
-    Invalid character after line continuation '/'
+    Invalid character '/' after line continuation
 error: line-continuation-block-comment.asm(6):
     syntax error, unexpected end of line
 error: line-continuation-block-comment.asm(7):
     syntax error, unexpected number
 error: line-continuation-block-comment.asm(12):
-    Invalid character after line continuation '/'
+    Invalid character '/' after line continuation
 error: line-continuation-block-comment.asm(14):
-    Invalid character after line continuation '/'
+    Invalid character '/' after line continuation
 error: line-continuation-block-comment.asm(17):
-    Invalid character after line continuation '/'
+    Invalid character '/' after line continuation
 Assembly aborted with 6 errors!

test/asm/line-continuation.err

@@ -1,5 +1,5 @@
 error: line-continuation.asm(3):
-    Invalid character after line continuation 's'
+    Invalid character 's' after line continuation
 warning: line-continuation.asm(6) -> line-continuation.asm::spam(4): [-Wuser]
     spam
 error: line-continuation.asm(14):

test/asm/macro-arg-0.err

@@ -1,5 +1,5 @@
 error: macro-arg-0.asm(5) -> macro-arg-0.asm::m(2):
-    Invalid character after line continuation '0'
+    Invalid character '0' after line continuation
 error: macro-arg-0.asm(5) -> macro-arg-0.asm::m(3):
     Invalid bracketed macro argument '\<0>'
 Assembly aborted with 2 errors!

test/asm/macro-arg-recursion.err

@@ -1,3 +1,3 @@
 error: macro-arg-recursion.asm(6) -> macro-arg-recursion.asm::m(2):
-    Invalid character after line continuation '2'
+    Invalid character '2' after line continuation
 Assembly aborted with 1 error!

test/asm/nested-expansions.err

@@ -1,3 +1,3 @@
 error: nested-expansions.asm(6) -> nested-expansions.asm::test(4):
-    Macro "qux" not defined
+    Undefined macro "qux"
 Assembly aborted with 1 error!

test/asm/nested-macrodef.err

@@ -3,5 +3,5 @@ warning: nested-macrodef.asm(26) -> nested-macrodef.asm::outer(22): [-Wuser]
 error: nested-macrodef.asm(26) -> nested-macrodef.asm::outer(24):
     Unterminated macro definition
 error: nested-macrodef.asm(27):
-    Macro "inner" not defined
+    Undefined macro "inner"
 Assembly aborted with 2 errors!

test/asm/null-in-macro.err

@@ -1,3 +1,3 @@
 error: null-in-macro.asm(4) -> null-in-macro.asm::foo(2):
-    Unknown character '\0'
+    Invalid character '\0' (is the file UTF-8?)
 Assembly aborted with 1 error!

test/asm/null-outside-string.err

@@ -1,17 +1,17 @@
 error: null-outside-string.asm(3):
-    Invalid character after line continuation '0'
+    Invalid character '0' after line continuation
 error: null-outside-string.asm(3):
     syntax error, unexpected number
 error: null-outside-string.asm(4):
-    Invalid character after line continuation '0'
+    Invalid character '0' after line continuation
 error: null-outside-string.asm(4):
     syntax error, unexpected number
 error: null-outside-string.asm(6):
-    Invalid character after line continuation 'X'
+    Invalid character 'X' after line continuation
 error: null-outside-string.asm(6):
     syntax error, unexpected symbol
 error: null-outside-string.asm(7):
-    Invalid character after line continuation 'X'
+    Invalid character 'X' after line continuation
 error: null-outside-string.asm(7):
     syntax error, unexpected symbol
 Assembly aborted with 8 errors!

test/asm/purge.err

@@ -5,5 +5,5 @@ error: purge.asm(9):
 warning: purge.asm(12): [-Wpurge]
     Purging an exported symbol "Exported"
 error: purge.asm(15):
-    'Undefined' not defined
+    Undefined symbol 'Undefined'
 Assembly aborted with 2 errors!

test/asm/raw-string-symbol-errors.err

@@ -25,7 +25,7 @@ error: raw-string-symbol-errors.asm(23):
 error: raw-string-symbol-errors.asm(24):
     'u' is not a string symbol
 error: raw-string-symbol-errors.asm(27):
-    's' was already purged
+    Undefined symbol 's' was already purged
 error: raw-string-symbol-errors.asm(29):
     's' is not a string symbol
 Assembly aborted with 13 errors!

test/asm/section-name-undefined.err

@@ -1,2 +1,2 @@
 FATAL: section-name-undefined.asm(1):
-    Unknown symbol "Undefined"
+    Undefined symbol "Undefined"

test/asm/use-purged-symbol.err

@@ -1,5 +1,5 @@
 error: use-purged-symbol.asm(6):
-    Macro "m" not defined; it was purged
+    Undefined macro "m"; it was purged
 error: use-purged-symbol.asm(13) -> use-purged-symbol.asm::m2(10):
     Bracketed symbol "argi" does not exist; it was purged
 error: use-purged-symbol.asm(15):
@@ -15,4 +15,4 @@ error: use-purged-symbol.asm(22):
 warning: use-purged-symbol.asm(25): [-Wpurge]
     Purging an exported symbol "Label2"
 FATAL: use-purged-symbol.asm(26):
-    Unknown symbol "Label2"; it was purged
+    Undefined symbol "Label2"; it was purged

test/link/cascading-errors-fatal-assert.out

@@ -1,3 +1,3 @@
-error: cascading-errors-fatal-assert.asm(1): Unknown symbol "UnknownSymbol"
+error: cascading-errors-fatal-assert.asm(1): Undefined symbol "UnknownSymbol"
 FATAL: cascading-errors-fatal-assert.asm(1): Failed to evaluate assertion
 Linking aborted with 2 errors

test/link/cascading-errors.out

@@ -1,11 +1,11 @@
-error: cascading-errors.asm(18): Unknown symbol "Foo"
+error: cascading-errors.asm(18): Undefined symbol "Foo"
-error: cascading-errors.asm(19): Unknown symbol "Bar"
+error: cascading-errors.asm(19): Undefined symbol "Bar"
-error: cascading-errors.asm(16): Unknown symbol "hNonExist"
+error: cascading-errors.asm(16): Undefined symbol "hNonExist"
-error: cascading-errors.asm(14): Unknown symbol "NonExist"
+error: cascading-errors.asm(14): Undefined symbol "NonExist"
-error: cascading-errors.asm(12): Unknown symbol "Foo"
+error: cascading-errors.asm(12): Undefined symbol "Foo"
-error: cascading-errors.asm(10): Unknown symbol "Foo"
+error: cascading-errors.asm(10): Undefined symbol "Foo"
 error: cascading-errors.asm(10): Division by 0
-error: cascading-errors.asm(9): Unknown symbol "Foo"
+error: cascading-errors.asm(9): Undefined symbol "Foo"
-error: cascading-errors.asm(9): Unknown symbol "Bar"
+error: cascading-errors.asm(9): Undefined symbol "Bar"
-error: cascading-errors.asm(8): Unknown symbol "Bar"
+error: cascading-errors.asm(8): Undefined symbol "Bar"
 Linking failed with 10 errors

test/link/invalid-patches.out

@@ -1,9 +1,9 @@
 error: invalid-patches.asm(10): JR target must be between -128 and 127 bytes away, not 190; use JP instead
 error: invalid-patches.asm(9): Address $0 for LDH is not in HRAM range
-error: invalid-patches.asm(8): Requested SIZEOF() of section "NonexistentSection", which was not found
+error: invalid-patches.asm(8): Requested SIZEOF() of undefined section "NonexistentSection"
-error: invalid-patches.asm(7): Requested STARTOF() of section "NonexistentSection", which was not found
+error: invalid-patches.asm(7): Requested STARTOF() of undefined section "NonexistentSection"
-error: invalid-patches.asm(6): Requested BANK() of section "NonexistentSection", which was not found
+error: invalid-patches.asm(6): Requested BANK() of undefined section "NonexistentSection"
-error: invalid-patches.asm(5): Requested BANK() of symbol "NonexistentSymbol", which was not found
+error: invalid-patches.asm(5): Requested BANK() of undefined symbol "NonexistentSymbol"
 error: invalid-patches.asm(4): Exponent by negative value -1
 error: invalid-patches.asm(3): Modulo by 0
 Linking failed with 8 errors

test/link/script-unknown-section.out

@@ -1,2 +1,2 @@
-error: script-unknown-section.link(2): Unknown section "Wheeee"
+error: script-unknown-section.link(2): Undefined section "Wheeee"
 Linking failed with 1 error

test/link/sym-noexist.out

@@ -1,3 +1,3 @@
-error: sym-noexist.asm(3): Unknown symbol "nothing"
+error: sym-noexist.asm(3): Undefined symbol "nothing"
-error: sym-noexist.asm(2): Unknown symbol "where"
+error: sym-noexist.asm(2): Undefined symbol "where"
 Linking failed with 2 errors

test/link/symbols/unknown/out.err

@@ -1,4 +1,4 @@
-error: symbols/unknown/a.asm(2): Unknown symbol "Label"
+error: symbols/unknown/a.asm(2): Undefined symbol "Label"
     A label with that name is defined but not exported at symbols/unknown/b.asm(2)
     A constant with that name is defined but not exported at symbols/unknown/c.asm(1)
     A constant with that name is defined but not exported at symbols/unknown/d.asm(1)