29 lines
1.0 KiB
Rust
29 lines
1.0 KiB
Rust
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use crate::parser::{NyashParser, ParseError};
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use crate::parser::common::ParserUtils;
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use crate::tokenizer::TokenType;
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use crate::ast::{ASTNode, Span};
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#[inline]
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fn is_sugar_enabled() -> bool { crate::parser::sugar_gate::is_enabled() }
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impl NyashParser {
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pub(crate) fn expr_parse_range(&mut self) -> Result<ASTNode, ParseError> {
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let mut expr = self.expr_parse_term()?;
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while self.match_token(&TokenType::RANGE) {
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if !is_sugar_enabled() {
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let line = self.current_token().line;
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return Err(ParseError::UnexpectedToken {
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found: self.current_token().token_type.clone(),
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expected: "enable NYASH_SYNTAX_SUGAR_LEVEL=basic|full for '..'".to_string(),
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line,
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});
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}
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self.advance();
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let rhs = self.expr_parse_term()?;
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expr = ASTNode::FunctionCall { name: "Range".to_string(), arguments: vec![expr, rhs], span: Span::unknown() };
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}
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Ok(expr)
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}
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}
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