114 lines
2.8 KiB
Rust
114 lines
2.8 KiB
Rust
use crate::ast::*;
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use crate::parser::*;
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use nom::branch::*;
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use nom::combinator::*;
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use nom::multi::*;
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use nom::sequence::*;
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use nom::IResult;
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// -----------------------------------------------------------------------------
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#[derive(Clone, Debug, Node)]
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pub struct LibraryText {
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pub nodes: (Vec<LibraryDescription>,),
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}
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#[derive(Clone, Debug, Node)]
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pub enum LibraryDescription {
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LibraryDeclaration(LibraryDeclaration),
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IncludeStatement(IncludeStatement),
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ConfigDeclaration(ConfigDeclaration),
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Null(Symbol),
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}
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#[derive(Clone, Debug, Node)]
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pub struct LibraryDeclaration {
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pub nodes: (
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Keyword,
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LibraryIdentifier,
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List<Symbol, FilePathSpec>,
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Option<(Keyword, List<Symbol, FilePathSpec>)>,
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Symbol,
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),
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}
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#[derive(Clone, Debug, Node)]
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pub struct IncludeStatement {
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pub nodes: (Keyword, FilePathSpec, Symbol),
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}
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#[derive(Clone, Debug, Node)]
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pub struct FilePathSpec {
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pub nodes: (StringLiteral,),
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}
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// -----------------------------------------------------------------------------
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#[parser]
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pub fn library_text(s: Span) -> IResult<Span, LibraryText> {
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let (s, a) = many0(library_description)(s)?;
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Ok((s, LibraryText { nodes: (a,) }))
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}
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#[parser]
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pub fn library_description(s: Span) -> IResult<Span, LibraryDescription> {
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alt((
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map(library_declaration, |x| {
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LibraryDescription::LibraryDeclaration(x)
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}),
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map(include_statement, |x| {
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LibraryDescription::IncludeStatement(x)
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}),
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map(config_declaration, |x| {
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LibraryDescription::ConfigDeclaration(x)
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}),
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map(symbol(";"), |x| LibraryDescription::Null(x)),
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))(s)
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}
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#[parser]
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pub fn library_declaration(s: Span) -> IResult<Span, LibraryDeclaration> {
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let (s, a) = keyword("library")(s)?;
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let (s, b) = library_identifier(s)?;
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let (s, c) = list(symbol(","), file_path_spec)(s)?;
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let (s, d) = opt(pair(keyword("-incdir"), list(symbol(","), file_path_spec)))(s)?;
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let (s, e) = symbol(";")(s)?;
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Ok((
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s,
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LibraryDeclaration {
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nodes: (a, b, c, d, e),
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},
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))
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}
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#[parser]
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pub fn include_statement(s: Span) -> IResult<Span, IncludeStatement> {
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let (s, a) = keyword("include")(s)?;
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let (s, b) = file_path_spec(s)?;
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let (s, c) = symbol(";")(s)?;
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Ok((s, IncludeStatement { nodes: (a, b, c) }))
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}
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//TODO support non literal path
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#[parser]
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pub fn file_path_spec(s: Span) -> IResult<Span, FilePathSpec> {
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let (s, a) = string_literal(s)?;
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Ok((s, FilePathSpec { nodes: (a,) }))
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}
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// -----------------------------------------------------------------------------
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_library_text() {
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parser_test!(
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library_text,
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"library rtlLib \"*.v\" -incdir \"aaa\";\ninclude \"bbb\";;",
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Ok((_, _))
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);
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}
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}
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