Merge commit '6e19bb560d474736d45f5be011ff0830c7019991' as 'spasm'

1 files changed, 83 insertions, 0 deletions

diff --git a/spasm/src/asm/lexdump.cpp b/spasm/src/asm/lexdump.cpp
new file mode 100644
index 0000000..440ff1e
--- /dev/null
+++ b/spasm/src/asm/lexdump.cpp
@@ -0,0 +1,83 @@
+#include <iomanip>
+#include <iostream>
+
+#include <cassert>
+
+#include "lexer.hpp"
+#include "token.hpp"
+
+using namespace SpasmImpl::ASM::Lexer;
+
+#define TOKENS    \
+    TOK(push)     \
+    TOK(pop)      \
+    TOK(dup)      \
+    TOK(print)    \
+    TOK(read)     \
+    TOK(plus)     \
+    TOK(minus)    \
+    TOK(multiply) \
+    TOK(divide)   \
+    TOK(modulus)  \
+    TOK(gotrue)   \
+    TOK(gofalse)  \
+    TOK(go)       \
+    TOK(call)     \
+    TOK(ret)      \
+    TOK(load)     \
+    TOK(store)    \
+    TOK(label)    \
+    TOK(ident)    \
+    TOK(integer)  \
+    TOK(xinteger) \
+    TOK(endinput)
+
+class TokenDumper : public TokenStream
+{
+   public:
+    TokenDumper() : end_reached(false) {}
+    void push_token(const Token& token)
+    {
+        Token::Token_type ttype = token.type();
+        std::cout.width(8);
+        std::cout << token.lineno();
+        std::cout << ": " << token_name[ttype];
+        if (ttype == Token::integer || ttype == Token::xinteger)
+            std::cout << '|' << token.value_int() << '|';
+        else if (ttype == Token::ident)
+            std::cout << '|' << token.value_str() << '|';
+        std::cout << std::endl;
+        if (token.type() == Token::endinput)
+            end_reached = true;
+    }
+
+    bool input_end() const { return end_reached; }
+
+   private:
+    bool end_reached;
+
+    static const char* token_name[24];
+};
+
+const char* TokenDumper::token_name[24] = {"halt",
+#define TOK(x) #x,
+                                           TOKENS
+#undef TOK
+                                           "notused!!!"};
+
+int main()
+{
+    Lexer lex(std::cin);
+    TokenDumper td;
+    Token token;
+
+    lex.buffer_init();
+
+    while (!td.input_end())
+    {
+        lex.read(1);
+        lex.tokenize(td);
+    }
+
+    return 0;
+}