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Disallow writing to function arguments again

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Remove implicit copying hack.

Closes #1118
This commit is contained in:
Marijn Haverbeke 2011-11-03 10:57:54 +01:00
parent 1deaf97002
commit 1a68a98824
28 changed files with 107 additions and 113 deletions
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21
src/comp/syntax/parse/lexer.rs
View file

@ -158,17 +158,6 @@ fn consume_block_comment(rdr: reader) {
be consume_whitespace_and_comments(rdr);
}
fn string_to_int(s: str) -> int {
let negative = false;
if str::char_at(s, 0u) == '-' {
negative = true;
s = str::substr(s, 1u, str::byte_len(s) - 1u);
}
let accum_int: int = 0;
for c: u8 in s { accum_int *= 10; accum_int += dec_digit_val(c as char); }
ret if negative { -accum_int } else { accum_int };
}
fn scan_exponent(rdr: reader) -> option::t<str> {
let c = rdr.curr();
let rslt = "";
@ -210,7 +199,7 @@ fn scan_dec_digits(rdr: reader) -> str {
}
fn scan_number(c: char, rdr: reader) -> token::token {
let accum_int = 0;
let accum_int = 0, c = c;
let num_str: str = "";
let n = rdr.next();
if c == '0' && n == 'x' {
@ -233,7 +222,7 @@ fn scan_number(c: char, rdr: reader) -> token::token {
}
} else {
num_str = scan_dec_digits_with_prefix(rdr);
accum_int = string_to_int(num_str);
accum_int = std::int::from_str(num_str);
}
c = rdr.curr();
n = rdr.next();
@ -321,8 +310,8 @@ fn scan_number(c: char, rdr: reader) -> token::token {
}
fn scan_numeric_escape(rdr: reader, n_hex_digits: uint) -> char {
let accum_int = 0;
while n_hex_digits != 0u {
let accum_int = 0, i = n_hex_digits;
while i != 0u {
let n = rdr.curr();
rdr.bump();
if !is_hex_digit(n) {
@ -331,7 +320,7 @@ fn scan_numeric_escape(rdr: reader, n_hex_digits: uint) -> char {
}
accum_int *= 16;
accum_int += hex_digit_val(n);
n_hex_digits -= 1u;
i -= 1u;
}
ret accum_int as char;
}

1
src/comp/syntax/parse/parser.rs
View file

@ -1038,6 +1038,7 @@ fn parse_dot_or_call_expr(p: parser) -> @ast::expr {
fn parse_dot_or_call_expr_with(p: parser, e: @ast::expr) -> @ast::expr {
let lo = e.span.lo;
let hi = e.span.hi;
let e = e;
while true {
alt p.peek() {
token::LPAREN. {