fn consume_translate_ident(&self, orig: &str, chars: &mut Chars, span: Span) -> Option<(String, String)> {
        let output_regs_count = self.bridge_vars_out.len();
        if let Some((ident, length)) = Self::parse_ident_at_start(orig) {
            // There's a valid identifier here. Let's see if it corresponds to a bridge variable.
            if let Some(index) = Self::find_var_by_ident(&self.bridge_vars_out, &ident) {
                // Found the identifier in the `out` bridge vars.
                if length > 1 {
                    chars.nth(length - 2); // Skip past the identifier.
                }
                Some((ident, format!("{}", index)))
            } else if let Some(index) = Self::find_var_by_ident(&self.bridge_vars_in, &ident) {
                // Found the identifier in the `in` bridge variables.
                if length > 1 {
                    chars.nth(length - 2); // Skip past the identifier.
                }
                Some((ident, format!("{}", index + output_regs_count)))
            } else {
                // Couldn't find the identifier anywhere. Issue a warning.
                warn(span, format!("unrecognized bridge variable `{}`", ident));
                help(span, "it must be declared in this `rusty_asm` block with `in`, `out`, or `inout`");
                None
            }
        } else {
            // Not a valid identifier. Issue a warning.
            warn(span, "expected an identifier after `$`");
            help(span, "you can include a literal dollar sign by using `$$`");
            None
        }
    }
// Consumes and translates the next identifier if there is an identifier here.
// When this is called, `chars` should be one character ahead of `orig`.
Consumes and translates the next identifier if there is an identifier here.
When this is called, `chars` should be one character ahead of `orig`.
Consumes and translates the next identifier if there is an identifier here . When this is called ` chars ` should be one character ahead of ` orig ` .
fn consume_translate_ident(&self, orig: &str, chars: &mut Chars, span: Span) -> Option<(String, String)> {
        let output_regs_count = self.bridge_vars_out.len();
        if let Some((ident, length)) = Self::parse_ident_at_start(orig) {
            // There's a valid identifier here. Let's see if it corresponds to a bridge variable.
            if let Some(index) = Self::find_var_by_ident(&self.bridge_vars_out, &ident) {
                // Found the identifier in the `out` bridge vars.
                if length > 1 {
                    chars.nth(length - 2); // Skip past the identifier.
                }
                Some((ident, format!("{}", index)))
            } else if let Some(index) = Self::find_var_by_ident(&self.bridge_vars_in, &ident) {
                // Found the identifier in the `in` bridge variables.
                if length > 1 {
                    chars.nth(length - 2); // Skip past the identifier.
                }
                Some((ident, format!("{}", index + output_regs_count)))
            } else {
                // Couldn't find the identifier anywhere. Issue a warning.
                warn(span, format!("unrecognized bridge variable `{}`", ident));
                help(span, "it must be declared in this `rusty_asm` block with `in`, `out`, or `inout`");
                None
            }
        } else {
            // Not a valid identifier. Issue a warning.
            warn(span, "expected an identifier after `$`");
            help(span, "you can include a literal dollar sign by using `$$`");
            None
        }
    }
fn consume_translate_ident ( & self , orig : & str , chars : & mut Chars , span : Span ) -> Option < ( String , String ) > { let output_regs_count = self . bridge_vars_out . len ( ) ; if let Some ( ( ident , length ) ) = Self :: parse_ident_at_start ( orig ) { // There's a valid identifier here. Let's see if it corresponds to a bridge variable. if let Some ( index ) = Self :: find_var_by_ident ( & self . bridge_vars_out , & ident ) { // Found the identifier in the `out` bridge vars. if length > 1 { chars . nth ( length - 2 ) ; // Skip past the identifier. } Some ( ( ident , format ! ( " " index ) ) ) } else if let Some ( index ) = Self :: find_var_by_ident ( & self . bridge_vars_in , & ident ) { // Found the identifier in the `in` bridge variables. if length > 1 { chars . nth ( length - 2 ) ; // Skip past the identifier. } Some ( ( ident , format ! ( " " index output_regs_count ) ) ) } else { // Couldn't find the identifier anywhere. Issue a warning. warn ( span , format ! ( " " ident ) ) ; help ( span , " " ) ; None } } else { // Not a valid identifier. Issue a warning. warn ( span , " " ) ; help ( span , " " ) ; None } }
Consumes and translates the next identifier if there is an identifier here.
Consumes and translates the next identifier if there is an identifier here .
&self
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&str
chars
&mut Chars
span
Span
&self
orig
&str
chars
&mut Chars
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Span