@flowscripter/mpeg-sdl-parser/tests/lezer/test_cases/number_literal.txt

ISO/IEC 14496-34 Syntactic Description Language (MPEG SDL) parser implemented in TypeScript

# Integer literal

computed int a=1;

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            IntegerLiteral
        )
        Semicolon
    )
)

# Decimal literal

computed int a=123.1;

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            DecimalLiteral
        )
        Semicolon
    )
)

# Floating point literal

computed int a=123.1e123;

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            FloatingPointLiteral
        )
        Semicolon
    )
)

# Binary literal

computed int a=0b11;

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            BinaryLiteral
        )
        Semicolon
    )
)

# Binary literal with separator

computed int a=0b0000.101;

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            BinaryLiteral
        )
        Semicolon
    )
)

# Hexadecimal literal

computed int a=0x0F;

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            HexadecimalLiteral
        )
        Semicolon
    )
)

# Hexadecimal literal with separator

computed int a=0x0000.FF;

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            HexadecimalLiteral
        )
        Semicolon
    )
)

# Multiple character literal

computed int a='pasp';

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            MultipleCharacterLiteral(
                SingleQuote
                MultipleCharacterLiteralCharacters
                SingleQuote
            )
        )
        Semicolon
    )
)

# Multiple character literal with escaped slash

computed int a='pasp\\';

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            MultipleCharacterLiteral(
                SingleQuote
                MultipleCharacterLiteralCharacters
                SingleQuote
            )
        )
        Semicolon
    )
)

# Multiple character literal with escaped single quote

computed int a='pasp\'';

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            MultipleCharacterLiteral(
                SingleQuote
                MultipleCharacterLiteralCharacters
                SingleQuote
            )
        )
        Semicolon
    )
)

# Multiple character literal concatenation

computed int a='pa' 'sp';

==>

Specification(
    ComputedElementaryTypeDefinition(
        computed
        Whitespace
        ElementaryType(
            int
        )
        Whitespace
        Identifier
        Assignment
        UnaryExpression(
            MultipleCharacterLiteral(
                SingleQuote
                MultipleCharacterLiteralCharacters
                SingleQuote
                Whitespace
                SingleQuote
                MultipleCharacterLiteralCharacters
                SingleQuote
            )
        )
        Semicolon
    )
)