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rustc: Implement floating point literal inference. r=nmatsakis

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This commit is contained in:
Patrick Walton
2012-11-07 18:40:34 -08:00
parent f05e2da709
commit fe02814a63
20 changed files with 364 additions and 47 deletions
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8
src/libsyntax/parse/parser.rs
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@@ -43,9 +43,9 @@ use ast::{_mod, add, arg, arm, attribute,
ident, impure_fn, infer, inherited,
item, item_, item_class, item_const, item_enum, item_fn,
item_foreign_mod, item_impl, item_mac, item_mod, item_trait,
item_ty, lit, lit_, lit_bool, lit_float, lit_int,
lit_int_unsuffixed, lit_nil, lit_str, lit_uint, local, m_const,
m_imm, m_mutbl, mac_, mac_aq, mac_ellipsis, mac_invoc,
item_ty, lit, lit_, lit_bool, lit_float, lit_float_unsuffixed,
lit_int, lit_int_unsuffixed, lit_nil, lit_str, lit_uint, local,
m_const, m_imm, m_mutbl, mac_, mac_aq, mac_ellipsis, mac_invoc,
mac_invoc_tt, mac_var, matcher, match_nonterminal, match_seq,
match_tok, method, mode, module_ns, mt, mul, mutability,
named_field, neg, noreturn, not, pat, pat_box, pat_enum,
@@ -787,6 +787,8 @@ impl Parser {
token::LIT_UINT(u, ut) => lit_uint(u, ut),
token::LIT_INT_UNSUFFIXED(i) => lit_int_unsuffixed(i),
token::LIT_FLOAT(s, ft) => lit_float(self.id_to_str(s), ft),
token::LIT_FLOAT_UNSUFFIXED(s) =>
lit_float_unsuffixed(self.id_to_str(s)),
token::LIT_STR(s) => lit_str(self.id_to_str(s)),
token::LPAREN => { self.expect(token::RPAREN); lit_nil },
_ => { self.unexpected_last(tok); }