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JSSpecCompiler: Issue meaningful errors in TextParser

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Dan Klishch 2024-01-17 01:36:39 -05:00 • committed by Andrew Kaster
parent dee4978d67
commit 6b30c4d2f0
5 changed files with 272 additions and 147 deletions
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79
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Parser/Token.h
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@ -20,38 +20,38 @@ constexpr i32 closing_bracket_precedence = 18;
// NOTE: Operator precedence is generally the same as in
// https://en.cppreference.com/w/cpp/language/operator_precedence (common sense applies).
#define ENUMERATE_TOKENS(F) \
F(Invalid, -1, Invalid, Invalid, Invalid) \
F(SectionNumber, -1, Invalid, Invalid, Invalid) \
F(Identifier, -1, Invalid, Invalid, Invalid) \
F(Number, -1, Invalid, Invalid, Invalid) \
F(String, -1, Invalid, Invalid, Invalid) \
F(Undefined, -1, Invalid, Invalid, Invalid) \
F(Word, -1, Invalid, Invalid, Invalid) \
F(ParenOpen, -1, Invalid, Invalid, ParenClose) \
F(ParenClose, 18, Invalid, Invalid, ParenOpen) \
F(BraceOpen, -1, Invalid, Invalid, BraceClose) \
F(BraceClose, 18, Invalid, Invalid, BraceOpen) \
F(Comma, 17, Invalid, Comma, Invalid) \
F(MemberAccess, 2, Invalid, MemberAccess, Invalid) \
F(Dot, -1, Invalid, Invalid, Invalid) \
F(Colon, -1, Invalid, Invalid, Invalid) \
F(Less, 9, Invalid, CompareLess, Invalid) \
F(Greater, 9, Invalid, CompareGreater, Invalid) \
F(NotEquals, 10, Invalid, CompareNotEqual, Invalid) \
F(Equals, 10, Invalid, CompareEqual, Invalid) \
F(Plus, 6, Invalid, Plus, Invalid) \
F(AmbiguousMinus, -2, Invalid, Invalid, Invalid) \
F(UnaryMinus, 3, Minus, Invalid, Invalid) \
F(BinaryMinus, 6, Invalid, Minus, Invalid) \
F(Multiplication, 5, Invalid, Multiplication, Invalid) \
F(Division, 5, Invalid, Division, Invalid) \
F(FunctionCall, 2, Invalid, FunctionCall, Invalid) \
F(ExclamationMark, 3, AssertCompletion, Invalid, Invalid) \
F(Is, -1, Invalid, Invalid, Invalid)
#define ENUMERATE_TOKENS(F) \
F(Invalid, -1, Invalid, Invalid, Invalid, "") \
F(SectionNumber, -1, Invalid, Invalid, Invalid, "section number") \
F(Identifier, -1, Invalid, Invalid, Invalid, "identifier") \
F(Number, -1, Invalid, Invalid, Invalid, "number") \
F(String, -1, Invalid, Invalid, Invalid, "string literal") \
F(Undefined, -1, Invalid, Invalid, Invalid, "constant") \
F(Word, -1, Invalid, Invalid, Invalid, "word") \
F(ParenOpen, -1, Invalid, Invalid, ParenClose, "'('") \
F(ParenClose, 18, Invalid, Invalid, ParenOpen, "')'") \
F(BraceOpen, -1, Invalid, Invalid, BraceClose, "'{'") \
F(BraceClose, 18, Invalid, Invalid, BraceOpen, "'}'") \
F(Comma, 17, Invalid, Comma, Invalid, "','") \
F(MemberAccess, 2, Invalid, MemberAccess, Invalid, "member access operator '.'") \
F(Dot, -1, Invalid, Invalid, Invalid, "punctuation mark '.'") \
F(Colon, -1, Invalid, Invalid, Invalid, "':'") \
F(Less, 9, Invalid, CompareLess, Invalid, "less than") \
F(Greater, 9, Invalid, CompareGreater, Invalid, "greater than") \
F(NotEquals, 10, Invalid, CompareNotEqual, Invalid, "not equals") \
F(Equals, 10, Invalid, CompareEqual, Invalid, "equals") \
F(Plus, 6, Invalid, Plus, Invalid, "plus") \
F(AmbiguousMinus, -2, Invalid, Invalid, Invalid, "minus") \
F(UnaryMinus, 3, Minus, Invalid, Invalid, "unary minus") \
F(BinaryMinus, 6, Invalid, Minus, Invalid, "binary minus") \
F(Multiplication, 5, Invalid, Multiplication, Invalid, "multiplication") \
F(Division, 5, Invalid, Division, Invalid, "division") \
F(FunctionCall, 2, Invalid, FunctionCall, Invalid, "function call token") \
F(ExclamationMark, 3, AssertCompletion, Invalid, Invalid, "exclamation mark") \
F(Is, -1, Invalid, Invalid, Invalid, "operator is")
enum class TokenType {
#define ID(name, precedence, unary_name, binary_name, matching_bracket) name,
#define ID(name, precedence, unary_name, binary_name, matching_bracket, name_for_diagnostic) name,
ENUMERATE_TOKENS(ID)
#undef ID
};
@ -62,14 +62,16 @@ constexpr struct TokenInfo {
UnaryOperator as_unary_operator;
BinaryOperator as_binary_operator;
TokenType matching_bracket;
StringView name_for_diagnostic;
} token_info[] = {
#define TOKEN_INFO(name, precedence, unary_name, binary_name, matching_bracket) \
{ \
#name##sv, \
precedence, \
UnaryOperator::unary_name, \
BinaryOperator::binary_name, \
TokenType::matching_bracket, \
#define TOKEN_INFO(name, precedence, unary_name, binary_name, matching_bracket, name_for_diagnostic) \
{ \
#name##sv, \
precedence, \
UnaryOperator::unary_name, \
BinaryOperator::binary_name, \
TokenType::matching_bracket, \
name_for_diagnostic##sv \
},
ENUMERATE_TOKENS(TOKEN_INFO)
#undef TOKEN_INFO
@ -78,7 +80,8 @@ constexpr struct TokenInfo {
struct Token {
TokenInfo const& info() const { return token_info[to_underlying(type)]; }
StringView name() const { return token_info[to_underlying(type)].name; }
StringView name() const { return info().name; }
StringView name_for_diagnostic() const { return info().name_for_diagnostic; }
i32 precedence() const { return info().precedence; }
bool is_operator() const { return precedence() > 0 && precedence() < closing_bracket_precedence; }
bool is_ambiguous_operator() const { return precedence() == ambiguous_operator_precedence; }