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Added support for parsing negative numerals in the SMT 2.0 frontend

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-15 10:02:52 -07:00
parent 6a7d180e69
commit 4efe38a71d
5 changed files with 45 additions and 12 deletions
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5
lib/smt2scanner.h
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@ -31,6 +31,7 @@ namespace smt2 {
class scanner {
private:
cmd_context & m_ctx;
bool m_interactive;
int m_spos; // position in the current line of the stream
char m_curr; // current char;
@ -73,7 +74,7 @@ namespace smt2 {
EOF_TOKEN
};
scanner(std::istream& stream, bool interactive = false);
scanner(cmd_context & ctx, std::istream& stream, bool interactive = false);
~scanner() {}
@ -85,10 +86,12 @@ namespace smt2 {
char const * get_string() const { return m_string.begin(); }
token scan();
token read_symbol_core();
token read_symbol();
token read_quoted_symbol();
void read_comment();
token read_number();
token read_signed_number();
token read_string();
token read_bv_literal();