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-rw-r--r--src/java/org/anarres/cpp/Macro.java5
-rw-r--r--src/java/org/anarres/cpp/MacroTokenSource.java8
-rw-r--r--src/java/org/anarres/cpp/Preprocessor.java3
3 files changed, 15 insertions, 1 deletions
diff --git a/src/java/org/anarres/cpp/Macro.java b/src/java/org/anarres/cpp/Macro.java
index b62810b..ca024bc 100644
--- a/src/java/org/anarres/cpp/Macro.java
+++ b/src/java/org/anarres/cpp/Macro.java
@@ -139,12 +139,17 @@ public class Macro {
return tokens;
}
+ /* Paste tokens are inserted before the first of the two pasted
+ * tokens, so it's a kind of bytecode notation. This method
+ * swaps them around again. We know that there will never be two
+ * sequential paste tokens, so a boolean is sufficient. */
public String getText() {
StringBuilder buf = new StringBuilder();
boolean paste = false;
for (int i = 0; i < tokens.size(); i++) {
Token tok = tokens.get(i);
if (tok.getType() == Token.M_PASTE) {
+ assert paste == false : "Two sequential pastes.";
paste = true;
continue;
}
diff --git a/src/java/org/anarres/cpp/MacroTokenSource.java b/src/java/org/anarres/cpp/MacroTokenSource.java
index 264a1a6..53b0932 100644
--- a/src/java/org/anarres/cpp/MacroTokenSource.java
+++ b/src/java/org/anarres/cpp/MacroTokenSource.java
@@ -89,9 +89,11 @@ import static org.anarres.cpp.Token.*;
private Token stringify(Token pos, Argument arg) {
StringBuilder buf = new StringBuilder();
concat(buf, arg);
+ // System.out.println("Concat: " + arg + " -> " + buf);
StringBuilder str = new StringBuilder("\"");
escape(str, buf);
- str.append('\"');
+ str.append("\"");
+ // System.out.println("Escape: " + buf + " -> " + str);
return new Token(STRING,
pos.getLine(), pos.getColumn(),
str.toString(), buf.toString());
@@ -118,6 +120,7 @@ import static org.anarres.cpp.Token.*;
break;
}
Token tok = tokens.next();
+ // System.out.println("Paste " + tok);
switch (tok.getType()) {
case M_PASTE:
/* One extra to paste, plus one because the
@@ -140,9 +143,12 @@ import static org.anarres.cpp.Token.*;
}
/* Push and re-lex. */
+ /*
StringBuilder src = new StringBuilder();
escape(src, buf);
StringLexerSource sl = new StringLexerSource(src.toString());
+ */
+ StringLexerSource sl = new StringLexerSource(buf.toString());
/* XXX Check that concatenation produces a valid token. */
diff --git a/src/java/org/anarres/cpp/Preprocessor.java b/src/java/org/anarres/cpp/Preprocessor.java
index 3604abd..282c432 100644
--- a/src/java/org/anarres/cpp/Preprocessor.java
+++ b/src/java/org/anarres/cpp/Preprocessor.java
@@ -323,6 +323,7 @@ public class Preprocessor implements Closeable {
* and the expansion.
*/
public void addMacro(Macro m) throws LexerException {
+ // System.out.println("Macro " + m);
String name = m.getName();
/* Already handled as a source error in macro(). */
if ("defined".equals(name))
@@ -1582,6 +1583,8 @@ public class Preprocessor implements Closeable {
/* From Olivier Chafik for Objective C? */
case '@':
+ /* The one remaining ASCII, might as well. */
+ case '`':
// case '#':