diff options
Diffstat (limited to 'src/utils/sexpr.H')
| -rw-r--r-- | src/utils/sexpr.H | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/utils/sexpr.H b/src/utils/sexpr.H index f7c9f766..e81fe096 100644 --- a/src/utils/sexpr.H +++ b/src/utils/sexpr.H @@ -71,6 +71,7 @@ namespace OpenAxiom { sharp_colon = OPENAXIOM_SEXPR_TOKEN2('#',':'), // "#:" digraph_end = OPENAXIOM_SEXPR_TOKEN2(256,256), integer, // integer literal + character, // character literal string, // string literal identifier, // plain identifier sharp_integer_equal, // anchor definition, #n=<form> @@ -136,6 +137,14 @@ namespace OpenAxiom { void accept(Visitor&) const; }; + // --------------- + // -- Character -- + // --------------- + struct Character : Atom { + explicit Character(const Token&); + void accept(Visitor&) const; + }; + // ------------ // -- String -- // ------------ @@ -259,6 +268,7 @@ namespace OpenAxiom { struct Syntax::Visitor { virtual void visit(const Atom&) = 0; virtual void visit(const Integer&); + virtual void visit(const Character&); virtual void visit(const String&); virtual void visit(const Symbol&); virtual void visit(const Reference&); @@ -329,6 +339,7 @@ namespace OpenAxiom { ~Allocator(); const Integer* make_integer(const Token&); + const Character* make_character(const Token&); const String* make_string(const Token&); const Symbol* make_symbol(const Token&, Symbol::Kind); const Reference* make_reference(const Token&, size_t); @@ -341,6 +352,7 @@ namespace OpenAxiom { private: UniqueAllocator<Integer> ints; + UniqueAllocator<Character> chars; UniqueAllocator<String> strs; UniqueAllocator<Symbol> syms; UniqueAllocator<Anchor> ancs; @@ -370,6 +382,7 @@ namespace OpenAxiom { std::vector<const Syntax*>& syns; const Symbol* parse_symbol(const Token*&, const Token*); + const Character* parse_character(const Token*&, const Token*); const Anchor* parse_anchor(const Token*&, const Token*); const Reference* parse_reference(const Token*&, const Token*); const Symbol* parse_uninterned(const Token*&, const Token*); |