Enum glsl::syntax::Preprocessor

pub enum Preprocessor {
    Define(PreprocessorDefine),
    Else,
    ElseIf(PreprocessorElseIf),
    EndIf,
    Error(PreprocessorError),
    If(PreprocessorIf),
    IfDef(PreprocessorIfDef),
    IfNDef(PreprocessorIfNDef),
    Include(PreprocessorInclude),
    Line(PreprocessorLine),
    Pragma(PreprocessorPragma),
    Undef(PreprocessorUndef),
    Version(PreprocessorVersion),
    Extension(PreprocessorExtension),
}

Some basic preprocessor directives.

As it’s important to carry them around the AST because they cannot be substituted in a normal preprocessor (they’re used by GPU’s compilers), those preprocessor directives are available for inspection.

Variants

Define(PreprocessorDefine)

Else

ElseIf(PreprocessorElseIf)

EndIf

Error(PreprocessorError)

If(PreprocessorIf)

IfDef(PreprocessorIfDef)

IfNDef(PreprocessorIfNDef)

Include(PreprocessorInclude)

Line(PreprocessorLine)

Pragma(PreprocessorPragma)

Undef(PreprocessorUndef)

Version(PreprocessorVersion)

Extension(PreprocessorExtension)

Trait Implementations

impl Clone for Preprocessor

fn clone(&self) -> Preprocessor

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Preprocessor

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Host for Preprocessor

fn visit<V>(&mut self, visitor: &mut V) where
    V: Visitor, 

Visit an AST node.

impl Parse for Preprocessor

fn parse<B>(source: B) -> Result<Self, ParseError> where
    B: AsRef<str>, 

Parse from a string slice.

impl PartialEq<Preprocessor> for Preprocessor

fn eq(&self, other: &Preprocessor) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Preprocessor) -> bool

This method tests for !=.

impl StructuralPartialEq for Preprocessor