diff options
Diffstat (limited to 'src/main/java/org/anarres/cpp')
| -rw-r--r-- | src/main/java/org/anarres/cpp/DefaultPreprocessorListener.java | 12 | ||||
| -rw-r--r-- | src/main/java/org/anarres/cpp/Macro.java | 24 | ||||
| -rw-r--r-- | src/main/java/org/anarres/cpp/Preprocessor.java | 244 | ||||
| -rw-r--r-- | src/main/java/org/anarres/cpp/Source.java | 28 |
4 files changed, 154 insertions, 154 deletions
diff --git a/src/main/java/org/anarres/cpp/DefaultPreprocessorListener.java b/src/main/java/org/anarres/cpp/DefaultPreprocessorListener.java index 26b8b0e..4d6ee7e 100644 --- a/src/main/java/org/anarres/cpp/DefaultPreprocessorListener.java +++ b/src/main/java/org/anarres/cpp/DefaultPreprocessorListener.java @@ -55,7 +55,7 @@ public class DefaultPreprocessorListener implements PreprocessorListener { return warnings; } - protected void print(@Nonnull String msg) { + protected void print(@Nonnull final String msg) { LOG.info(msg); } @@ -67,8 +67,8 @@ public class DefaultPreprocessorListener implements PreprocessorListener { * it may throw an exception. */ @Override - public void handleWarning(Source source, int line, int column, - String msg) + public void handleWarning(final Source source, final int line, final int column, + final String msg) throws LexerException { warnings++; print(source.getName() + ":" + line + ":" + column @@ -83,8 +83,8 @@ public class DefaultPreprocessorListener implements PreprocessorListener { * it may throw an exception. */ @Override - public void handleError(Source source, int line, int column, - String msg) + public void handleError(final Source source, final int line, final int column, + final String msg) throws LexerException { errors++; print(source.getName() + ":" + line + ":" + column @@ -92,7 +92,7 @@ public class DefaultPreprocessorListener implements PreprocessorListener { } @Override - public void handleSourceChange(Source source, SourceChangeEvent event) { + public void handleSourceChange(final Source source, final SourceChangeEvent event) { } } diff --git a/src/main/java/org/anarres/cpp/Macro.java b/src/main/java/org/anarres/cpp/Macro.java index 7ab38a8..f8a920a 100644 --- a/src/main/java/org/anarres/cpp/Macro.java +++ b/src/main/java/org/anarres/cpp/Macro.java @@ -30,7 +30,7 @@ import java.util.List; public class Macro { private Source source; - private String name; + private final String name; /* It's an explicit decision to keep these around here. We don't * need to; the argument token type is M_ARG and the value * is the index. The strings themselves are only used in @@ -39,7 +39,7 @@ public class Macro { private boolean variadic; private List<Token> tokens; - public Macro(Source source, String name) { + public Macro(final Source source, final String name) { this.source = source; this.name = name; this.args = null; @@ -47,14 +47,14 @@ public class Macro { this.tokens = new ArrayList<Token>(); } - public Macro(String name) { + public Macro(final String name) { this(null, name); } /** * Sets the Source from which this macro was parsed. */ - public void setSource(Source s) { + public void setSource(final Source s) { this.source = s; } @@ -78,7 +78,7 @@ public class Macro { /** * Sets the arguments to this macro. */ - public void setArgs(List<String> args) { + public void setArgs(final List<String> args) { this.args = args; } @@ -99,7 +99,7 @@ public class Macro { /** * Sets the variadic flag on this Macro. */ - public void setVariadic(boolean b) { + public void setVariadic(final boolean b) { this.variadic = b; } @@ -113,7 +113,7 @@ public class Macro { /** * Adds a token to the expansion of this macro. */ - public void addToken(Token tok) { + public void addToken(final Token tok) { this.tokens.add(tok); } @@ -124,7 +124,7 @@ public class Macro { * to the previous token when the macro is expanded. * It is an error for a macro to end with a paste token. */ - public void addPaste(Token tok) { + public void addPaste(final Token tok) { /* * Given: tok0 ## tok1 * We generate: M_PASTE, tok0, tok1 @@ -144,9 +144,9 @@ public class Macro { * 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(); + final StringBuilder buf = new StringBuilder(); boolean paste = false; - for (Token tok : tokens) { + for (final Token tok : tokens) { if (tok.getType() == Token.M_PASTE) { assert paste == false : "Two sequential pastes."; paste = true; @@ -165,10 +165,10 @@ public class Macro { @Override public String toString() { - StringBuilder buf = new StringBuilder(name); + final StringBuilder buf = new StringBuilder(name); if (args != null) { buf.append('('); - Iterator<String> it = args.iterator(); + final Iterator<String> it = args.iterator(); while (it.hasNext()) { buf.append(it.next()); if (it.hasNext()) diff --git a/src/main/java/org/anarres/cpp/Preprocessor.java b/src/main/java/org/anarres/cpp/Preprocessor.java index e6c9055..77e63ec 100644 --- a/src/main/java/org/anarres/cpp/Preprocessor.java +++ b/src/main/java/org/anarres/cpp/Preprocessor.java @@ -150,7 +150,7 @@ public class Preprocessor implements Closeable { this.listener = null; } - public Preprocessor(@Nonnull Source initial) { + public Preprocessor(@Nonnull final Source initial) { this(); addInput(initial); } @@ -158,7 +158,7 @@ public class Preprocessor implements Closeable { /** Equivalent to * 'new Preprocessor(new {@link FileLexerSource}(file))' */ - public Preprocessor(@Nonnull File file) + public Preprocessor(@Nonnull final File file) throws IOException { this(new FileLexerSource(file)); } @@ -166,7 +166,7 @@ public class Preprocessor implements Closeable { /** * Sets the VirtualFileSystem used by this Preprocessor. */ - public void setFileSystem(@Nonnull VirtualFileSystem filesystem) { + public void setFileSystem(@Nonnull final VirtualFileSystem filesystem) { this.filesystem = filesystem; } @@ -185,7 +185,7 @@ public class Preprocessor implements Closeable { * The listener is notified of warnings, errors and source * changes, amongst other things. */ - public void setListener(@Nonnull PreprocessorListener listener) { + public void setListener(@Nonnull final PreprocessorListener listener) { this.listener = listener; Source s = source; while (s != null) { @@ -217,21 +217,21 @@ public class Preprocessor implements Closeable { /** * Adds a feature to the feature-set of this Preprocessor. */ - public void addFeature(@Nonnull Feature f) { + public void addFeature(@Nonnull final Feature f) { features.add(f); } /** * Adds features to the feature-set of this Preprocessor. */ - public void addFeatures(@Nonnull Collection<Feature> f) { + public void addFeatures(@Nonnull final Collection<Feature> f) { features.addAll(f); } /** * Adds features to the feature-set of this Preprocessor. */ - public void addFeatures(Feature... f) { + public void addFeatures(final Feature... f) { addFeatures(Arrays.asList(f)); } @@ -239,7 +239,7 @@ public class Preprocessor implements Closeable { * Returns true if the given feature is in * the feature-set of this Preprocessor. */ - public boolean getFeature(@Nonnull Feature f) { + public boolean getFeature(@Nonnull final Feature f) { return features.contains(f); } @@ -256,14 +256,14 @@ public class Preprocessor implements Closeable { /** * Adds a warning to the warning-set of this Preprocessor. */ - public void addWarning(@Nonnull Warning w) { + public void addWarning(@Nonnull final Warning w) { warnings.add(w); } /** * Adds warnings to the warning-set of this Preprocessor. */ - public void addWarnings(@Nonnull Collection<Warning> w) { + public void addWarnings(@Nonnull final Collection<Warning> w) { warnings.addAll(w); } @@ -271,7 +271,7 @@ public class Preprocessor implements Closeable { * Returns true if the given warning is in * the warning-set of this Preprocessor. */ - public boolean getWarning(@Nonnull Warning w) { + public boolean getWarning(@Nonnull final Warning w) { return warnings.contains(w); } @@ -280,7 +280,7 @@ public class Preprocessor implements Closeable { * * Inputs are processed in the order in which they are added. */ - public void addInput(@Nonnull Source source) { + public void addInput(@Nonnull final Source source) { source.init(this); inputs.add(source); } @@ -290,7 +290,7 @@ public class Preprocessor implements Closeable { * * @see #addInput(Source) */ - public void addInput(@Nonnull File file) + public void addInput(@Nonnull final File file) throws IOException { addInput(new FileLexerSource(file)); } @@ -301,7 +301,7 @@ public class Preprocessor implements Closeable { * If a PreprocessorListener is installed, it receives the * error. Otherwise, an exception is thrown. */ - protected void error(int line, int column, @Nonnull String msg) + protected void error(final int line, final int column, @Nonnull final String msg) throws LexerException { if (listener != null) listener.handleError(source, line, column, msg); @@ -317,7 +317,7 @@ public class Preprocessor implements Closeable { * * @see #error(int, int, String) */ - protected void error(@Nonnull Token tok, @Nonnull String msg) + protected void error(@Nonnull final Token tok, @Nonnull final String msg) throws LexerException { error(tok.getLine(), tok.getColumn(), msg); } @@ -328,7 +328,7 @@ public class Preprocessor implements Closeable { * If a PreprocessorListener is installed, it receives the * warning. Otherwise, an exception is thrown. */ - protected void warning(int line, int column, @Nonnull String msg) + protected void warning(final int line, final int column, @Nonnull final String msg) throws LexerException { if (warnings.contains(Warning.ERROR)) error(line, column, msg); @@ -346,7 +346,7 @@ public class Preprocessor implements Closeable { * * @see #warning(int, int, String) */ - protected void warning(@Nonnull Token tok, @Nonnull String msg) + protected void warning(@Nonnull final Token tok, @Nonnull final String msg) throws LexerException { warning(tok.getLine(), tok.getColumn(), msg); } @@ -356,10 +356,11 @@ public class Preprocessor implements Closeable { * * The given {@link Macro} object encapsulates both the name * and the expansion. + * @throws IOException */ - public void addMacro(@Nonnull Macro m) throws LexerException { + public void addMacro(@Nonnull final Macro m) throws LexerException, IOException { // System.out.println("Macro " + m); - String name = m.getName(); + final String name = m.getName(); /* Already handled as a source error in macro(). */ if ("defined".equals(name)) throw new LexerException("Cannot redefine name 'defined'"); @@ -372,19 +373,19 @@ public class Preprocessor implements Closeable { * The String value is lexed into a token stream, which is * used as the macro expansion. */ - public void addMacro(@Nonnull String name, @Nonnull String value) + public void addMacro(@Nonnull final String name, @Nonnull final String value) throws LexerException { try { - Macro m = new Macro(name); - StringLexerSource s = new StringLexerSource(value); + final Macro m = new Macro(name); + final StringLexerSource s = new StringLexerSource(value); for (;;) { - Token tok = s.token(); + final Token tok = s.token(); if (tok.getType() == EOF) break; m.addToken(tok); } addMacro(m); - } catch (IOException e) { + } catch (final IOException e) { throw new LexerException(e); } } @@ -395,7 +396,7 @@ public class Preprocessor implements Closeable { * This is a convnience method, and is equivalent to * <code>addMacro(name, "1")</code>. */ - public void addMacro(@Nonnull String name) + public void addMacro(@Nonnull final String name) throws LexerException { addMacro(name, "1"); } @@ -404,7 +405,7 @@ public class Preprocessor implements Closeable { * Sets the user include path used by this Preprocessor. */ /* Note for future: Create an IncludeHandler? */ - public void setQuoteIncludePath(@Nonnull List<String> path) { + public void setQuoteIncludePath(@Nonnull final List<String> path) { this.quoteincludepath = path; } @@ -422,7 +423,7 @@ public class Preprocessor implements Closeable { * Sets the system include path used by this Preprocessor. */ /* Note for future: Create an IncludeHandler? */ - public void setSystemIncludePath(@Nonnull List<String> path) { + public void setSystemIncludePath(@Nonnull final List<String> path) { this.sysincludepath = path; } @@ -440,7 +441,7 @@ public class Preprocessor implements Closeable { * Sets the Objective-C frameworks path used by this Preprocessor. */ /* Note for future: Create an IncludeHandler? */ - public void setFrameworksPath(@Nonnull List<String> path) { + public void setFrameworksPath(@Nonnull final List<String> path) { this.frameworkspath = path; } @@ -471,7 +472,7 @@ public class Preprocessor implements Closeable { * might happen if you do. */ @CheckForNull - public Macro getMacro(String name) { + public Macro getMacro(final String name) { return macros.get(name); } @@ -489,13 +490,13 @@ public class Preprocessor implements Closeable { /* States */ private void push_state() { - State top = states.peek(); + final State top = states.peek(); states.push(new State(top)); } private void pop_state() throws LexerException { - State s = states.pop(); + final State s = states.pop(); if (states.isEmpty()) { error(0, 0, "#" + "endif without #" + "if"); states.push(s); @@ -503,7 +504,7 @@ public class Preprocessor implements Closeable { } private boolean isActive() { - State state = states.peek(); + final State state = states.peek(); return state.isParentActive() && state.isActive(); } @@ -527,7 +528,7 @@ public class Preprocessor implements Closeable { * @see #getSource() * @see #pop_source() */ - protected void push_source(@Nonnull Source source, boolean autopop) { + protected void push_source(@Nonnull final Source source, final boolean autopop) { source.init(this); source.setParent(this.source, autopop); // source.setListener(listener); @@ -545,18 +546,18 @@ public class Preprocessor implements Closeable { * @see #push_source(Source,boolean) */ @CheckForNull - protected Token pop_source(boolean linemarker) + protected Token pop_source(final boolean linemarker) throws IOException { if (listener != null) listener.handleSourceChange(this.source, SourceChangeEvent.POP); - Source s = this.source; + final Source s = this.source; this.source = s.getParent(); /* Always a noop unless called externally. */ s.close(); if (listener != null && this.source != null) listener.handleSourceChange(this.source, SourceChangeEvent.RESUME); - Source t = getSource(); + final Source t = getSource(); if (getFeature(Feature.LINEMARKERS) && s.isNumbered() && t != null) { @@ -578,7 +579,7 @@ public class Preprocessor implements Closeable { private Token next_source() { if (inputs.isEmpty()) return new Token(EOF); - Source s = inputs.remove(0); + final Source s = inputs.remove(0); push_source(s, true); return line_token(s.getLine(), s.getName(), " 1"); } @@ -589,8 +590,8 @@ public class Preprocessor implements Closeable { /* XXX Make this include the NL, and make all cpp directives eat * their own NL. */ @Nonnull - private Token line_token(int line, @CheckForNull String name, @Nonnull String extra) { - StringBuilder buf = new StringBuilder(); + private Token line_token(final int line, @CheckForNull final String name, @Nonnull final String extra) { + final StringBuilder buf = new StringBuilder(); buf.append("#line ").append(line) .append(" \""); /* XXX This call to escape(name) is correct but ugly. */ @@ -607,7 +608,7 @@ public class Preprocessor implements Closeable { throws IOException, LexerException { if (source_token != null) { - Token tok = source_token; + final Token tok = source_token; source_token = null; if (getFeature(Feature.DEBUG)) LOG.debug("Returning unget token " + tok); @@ -615,18 +616,18 @@ public class Preprocessor implements Closeable { } for (;;) { - Source s = getSource(); + final Source s = getSource(); if (s == null) { - Token t = next_source(); + final Token t = next_source(); if (t.getType() == P_LINE && !getFeature(Feature.LINEMARKERS)) continue; return t; } - Token tok = s.token(); + final Token tok = s.token(); /* XXX Refactor with skipline() */ if (tok.getType() == EOF && s.isAutopop()) { // System.out.println("Autopop " + s); - Token mark = pop_source(true); + final Token mark = pop_source(true); if (mark != null) return mark; continue; @@ -637,14 +638,14 @@ public class Preprocessor implements Closeable { } } - private void source_untoken(Token tok) { + private void source_untoken(final Token tok) { if (this.source_token != null) throw new IllegalStateException("Cannot return two tokens"); this.source_token = tok; } - private boolean isWhite(Token tok) { - int type = tok.getType(); + private boolean isWhite(final Token tok) { + final int type = tok.getType(); return (type == WHITESPACE) || (type == CCOMMENT) || (type == CPPCOMMENT); @@ -668,16 +669,16 @@ public class Preprocessor implements Closeable { * * This method can, as of recent patches, return a P_LINE token. */ - private Token source_skipline(boolean white) + private Token source_skipline(final boolean white) throws IOException, LexerException { // (new Exception("skipping line")).printStackTrace(System.out); - Source s = getSource(); - Token tok = s.skipline(white); + final Source s = getSource(); + final Token tok = s.skipline(white); /* XXX Refactor with source_token() */ if (tok.getType() == EOF && s.isAutopop()) { // System.out.println("Autopop " + s); - Token mark = pop_source(true); + final Token mark = pop_source(true); if (mark != null) return mark; } @@ -685,7 +686,7 @@ public class Preprocessor implements Closeable { } /* processes and expands a macro. */ - private boolean macro(Macro m, Token orig) + private boolean macro(final Macro m, final Token orig) throws IOException, LexerException { Token tok; @@ -805,7 +806,7 @@ public class Preprocessor implements Closeable { "macro " + m.getName() + " has " + m.getArgs() + " parameters " + "but given " + args.size() + " args"); - /* We could replay the arg tokens, but I + /* We could replay the arg tokens, but I * note that GNU cpp does exactly what we do, * i.e. output the macro name and chew the args. */ @@ -813,7 +814,7 @@ public class Preprocessor implements Closeable { } } - for (Argument a : args) { + for (final Argument a : args) { a.expand(this); } @@ -836,12 +837,12 @@ public class Preprocessor implements Closeable { new NumericValue(10, Integer.toString(orig.getLine())))} ), true); } else if (m == __FILE__) { - StringBuilder buf = new StringBuilder("\""); + final StringBuilder buf = new StringBuilder("\""); String name = getSource().getName(); if (name == null) name = "<no file>"; for (int i = 0; i < name.length(); i++) { - char c = name.charAt(i); + final char c = name.charAt(i); switch (c) { case '\\': buf.append("\\\\"); @@ -855,7 +856,7 @@ public class Preprocessor implements Closeable { } } buf.append("\""); - String text = buf.toString(); + final String text = buf.toString(); push_source(new FixedTokenSource( new Token[]{new Token(STRING, orig.getLine(), orig.getColumn(), @@ -864,7 +865,7 @@ public class Preprocessor implements Closeable { } else if (m == __COUNTER__) { /* This could equivalently have been done by adding * a special Macro subclass which overrides getTokens(). */ - int value = this.counter++; + final int value = this.counter++; push_source(new FixedTokenSource( new Token[]{new Token(NUMBER, orig.getLine(), orig.getColumn(), @@ -883,17 +884,17 @@ public class Preprocessor implements Closeable { */ /* I'd rather this were done lazily, but doing so breaks spec. */ @Nonnull - /* pp */ List<Token> expand(@Nonnull List<Token> arg) + /* pp */ List<Token> expand(@Nonnull final List<Token> arg) throws IOException, LexerException { - List<Token> expansion = new ArrayList<Token>(); + final List<Token> expansion = new ArrayList<Token>(); boolean space = false; push_source(new FixedTokenSource(arg), false); EXPANSION: for (;;) { - Token tok = expanded_token(); + final Token tok = expanded_token(); switch (tok.getType()) { case EOF: break EXPANSION; @@ -929,14 +930,13 @@ public class Preprocessor implements Closeable { return source_skipline(false); } /* if predefined */ - - String name = tok.getText(); + final String name = tok.getText(); if ("defined".equals(name)) { error(tok, "Cannot redefine name 'defined'"); return source_skipline(false); } - Macro m = new Macro(getSource(), name); + final Macro m = new Macro(getSource(), name); List<String> args; tok = source_token(); @@ -1046,7 +1046,7 @@ public class Preprocessor implements Closeable { if (space) m.addToken(Token.space); space = false; - Token la = source_token_nonwhite(); + final Token la = source_token_nonwhite(); if (la.getType() == IDENTIFIER && ((idx = args.indexOf(la.getText())) != -1)) { m.addToken(new Token(M_STRING, @@ -1098,14 +1098,14 @@ public class Preprocessor implements Closeable { private Token undef() throws IOException, LexerException { - Token tok = source_token_nonwhite(); + final Token tok = source_token_nonwhite(); if (tok.getType() != IDENTIFIER) { error(tok, "Expected identifier, not " + tok.getText()); if (tok.getType() == NL || tok.getType() == EOF) return tok; } else { - Macro m = getMacro(tok.getText()); + final Macro m = getMacro(tok.getText()); if (m != null) { /* XXX error if predefined */ macros.remove(m.getName()); @@ -1120,7 +1120,7 @@ public class Preprocessor implements Closeable { * User code may override this method to implement a virtual * file system. */ - protected boolean include(@Nonnull VirtualFile file) + protected boolean include(@Nonnull final VirtualFile file) throws IOException, LexerException { // System.out.println("Try to include " + ((File)file).getAbsolutePath()); @@ -1136,11 +1136,11 @@ public class Preprocessor implements Closeable { /** * Includes a file from an include path, by name. */ - protected boolean include(@Nonnull Iterable<String> path, @Nonnull String name) + protected boolean include(@Nonnull final Iterable<String> path, @Nonnull final String name) throws IOException, LexerException { - for (String dir : path) { - VirtualFile file = getFileSystem().getFile(dir, name); + for (final String dir : path) { + final VirtualFile file = getFileSystem().getFile(dir, name); if (include(file)) return true; } @@ -1151,15 +1151,15 @@ public class Preprocessor implements Closeable { * Handles an include directive. */ private void include( - @CheckForNull String parent, int line, - @Nonnull String name, boolean quoted, boolean next) + @CheckForNull final String parent, final int line, + @Nonnull final String name, final boolean quoted, final boolean next) throws IOException, LexerException { if (name.startsWith("/")) { - VirtualFile file = filesystem.getFile(name); + final VirtualFile file = filesystem.getFile(name); if (include(file)) return; - StringBuilder buf = new StringBuilder(); + final StringBuilder buf = new StringBuilder(); buf.append("File not found: ").append(name); error(line, 0, buf.toString()); return; @@ -1168,22 +1168,22 @@ public class Preprocessor implements Closeable { VirtualFile pdir = null; if (quoted) { if (parent != null) { - VirtualFile pfile = filesystem.getFile(parent); + final VirtualFile pfile = filesystem.getFile(parent); pdir = pfile.getParentFile(); } if (pdir != null) { - VirtualFile ifile = pdir.getChildFile(name); + final VirtualFile ifile = pdir.getChildFile(name); if (include(ifile)) return; } if (include(quoteincludepath, name)) return; } else { - int idx = name.indexOf('/'); + final int idx = name.indexOf('/'); if (idx != -1) { - String frameworkName = name.substring(0, idx); - String headerName = name.substring(idx + 1); - String headerPath = frameworkName + ".framework/Headers/" + headerName; + final String frameworkName = name.substring(0, idx); + final String headerName = name.substring(idx + 1); + final String headerPath = frameworkName + ".framework/Headers/" + headerName; if (include(frameworkspath, headerPath)) return; } @@ -1192,24 +1192,24 @@ public class Preprocessor implements Closeable { if (include(sysincludepath, name)) return; - StringBuilder buf = new StringBuilder(); + final StringBuilder buf = new StringBuilder(); buf.append("File not found: ").append(name); buf.append(" in"); if (quoted) { buf.append(" .").append('(').append(pdir).append(')'); - for (String dir : quoteincludepath) + for (final String dir : quoteincludepath) buf.append(" ").append(dir); } - for (String dir : sysincludepath) + for (final String dir : sysincludepath) buf.append(" ").append(dir); error(line, 0, buf.toString()); } @Nonnull - private Token include(boolean next) + private Token include(final boolean next) throws IOException, LexerException { - LexerSource lexer = (LexerSource) source; + final LexerSource lexer = (LexerSource) source; try { lexer.setInclude(true); Token tok = token_nonwhite(); @@ -1220,7 +1220,7 @@ public class Preprocessor implements Closeable { if (tok.getType() == STRING) { /* XXX Use the original text, not the value. * Backslashes must not be treated as escapes here. */ - StringBuilder buf = new StringBuilder((String) tok.getValue()); + final StringBuilder buf = new StringBuilder((String) tok.getValue()); HEADER: for (;;) { tok = token_nonwhite(); @@ -1269,18 +1269,18 @@ public class Preprocessor implements Closeable { } } - protected void pragma_once(@Nonnull Token name) + protected void pragma_once(@Nonnull final Token name) throws IOException, LexerException { - Source s = this.source; + final Source s = this.source; if (!onceseenpaths.add(s.getPath())) { - Token mark = pop_source(true); + final Token mark = pop_source(true); // FixedTokenSource should never generate a linemarker on exit. if (mark != null) push_source(new FixedTokenSource(Arrays.asList(mark)), true); } } - protected void pragma(@Nonnull Token name, @Nonnull List<Token> value) + protected void pragma(@Nonnull final Token name, @Nonnull final List<Token> value) throws IOException, LexerException { if (getFeature(Feature.PRAGMA_ONCE)) { @@ -1300,7 +1300,7 @@ public class Preprocessor implements Closeable { NAME: for (;;) { - Token tok = token(); + final Token tok = token(); switch (tok.getType()) { case EOF: /* There ought to be a newline before EOF. @@ -1327,7 +1327,7 @@ public class Preprocessor implements Closeable { } Token tok; - List<Token> value = new ArrayList<Token>(); + final List<Token> value = new ArrayList<Token>(); VALUE: for (;;) { tok = token(); @@ -1361,10 +1361,10 @@ public class Preprocessor implements Closeable { } /* For #error and #warning. */ - private void error(@Nonnull Token pptok, boolean is_error) + private void error(@Nonnull final Token pptok, final boolean is_error) throws IOException, LexerException { - StringBuilder buf = new StringBuilder(); + final StringBuilder buf = new StringBuilder(); buf.append('#').append(pptok.getText()).append(' '); /* Peculiar construction to ditch first whitespace. */ Token tok = source_token_nonwhite(); @@ -1394,10 +1394,10 @@ public class Preprocessor implements Closeable { throws IOException, LexerException { for (;;) { - Token tok = source_token(); + final Token tok = source_token(); // System.out.println("Source token is " + tok); if (tok.getType() == IDENTIFIER) { - Macro m = getMacro(tok.getText()); + final Macro m = getMacro(tok.getText()); if (m == null) return tok; if (source.isExpanding(m)) @@ -1480,7 +1480,7 @@ public class Preprocessor implements Closeable { return tok; } - private void expr_untoken(@Nonnull Token tok) + private void expr_untoken(@Nonnull final Token tok) throws LexerException { if (expr_token != null) throw new InternalException( @@ -1489,7 +1489,7 @@ public class Preprocessor implements Closeable { expr_token = tok; } - private int expr_priority(@Nonnull Token op) { + private int expr_priority(@Nonnull final Token op) { switch (op.getType()) { case '/': return 11; @@ -1535,7 +1535,7 @@ public class Preprocessor implements Closeable { } } - private long expr(int priority) + private long expr(final int priority) throws IOException, LexerException { /* @@ -1567,7 +1567,7 @@ public class Preprocessor implements Closeable { lhs = -expr(11); break; case NUMBER: - NumericValue value = (NumericValue) tok.getValue(); + final NumericValue value = (NumericValue) tok.getValue(); lhs = value.longValue(); break; case CHARACTER: @@ -1590,8 +1590,8 @@ public class Preprocessor implements Closeable { EXPR: for (;;) { // System.out.println("expr: lhs is " + lhs + ", pri = " + priority); - Token op = expr_token(); - int pri = expr_priority(op); /* 0 if not a binop. */ + final Token op = expr_token(); + final int pri = expr_priority(op); /* 0 if not a binop. */ if (pri == 0 || priority >= pri) { expr_untoken(op); @@ -1673,7 +1673,7 @@ public class Preprocessor implements Closeable { error(tok, "Missing : in conditional expression. Got " + tok.getText()); return 0; } - long falseResult = expr(0); + final long falseResult = expr(0); lhs = (lhs != 0) ? rhs : falseResult; } break; @@ -1694,14 +1694,14 @@ public class Preprocessor implements Closeable { } @Nonnull - private Token toWhitespace(@Nonnull Token tok) { - String text = tok.getText(); - int len = text.length(); + private Token toWhitespace(@Nonnull final Token tok) { + final String text = tok.getText(); + final int len = text.length(); boolean cr = false; int nls = 0; for (int i = 0; i < len; i++) { - char c = text.charAt(i); + final char c = text.charAt(i); switch (c) { case '\r': @@ -1725,7 +1725,7 @@ public class Preprocessor implements Closeable { } } - char[] cbuf = new char[nls]; + final char[] cbuf = new char[nls]; Arrays.fill(cbuf, '\n'); return new Token(WHITESPACE, tok.getLine(), tok.getColumn(), @@ -1740,9 +1740,9 @@ public class Preprocessor implements Closeable { for (;;) { Token tok; if (!isActive()) { - Source s = getSource(); + final Source s = getSource(); if (s == null) { - Token t = next_source(); + final Token t = next_source(); if (t.getType() == P_LINE && !getFeature(Feature.LINEMARKERS)) continue; return t; @@ -1862,7 +1862,7 @@ public class Preprocessor implements Closeable { return tok; case IDENTIFIER: - Macro m = getMacro(tok.getText()); + final Macro m = getMacro(tok.getText()); if (m == null) return tok; if (source.isExpanding(m)) @@ -1900,7 +1900,7 @@ public class Preprocessor implements Closeable { + tok.getText()); return source_skipline(false); } - PreprocessorCommand ppcmd = PreprocessorCommand.forText(tok.getText()); + final PreprocessorCommand ppcmd = PreprocessorCommand.forText(tok.getText()); if (ppcmd == null) { error(tok, "Unknown preprocessor directive " @@ -2021,8 +2021,8 @@ public class Preprocessor implements Closeable { + tok.getText()); return source_skipline(false); } else { - String text = tok.getText(); - boolean exists + final String text = tok.getText(); + final boolean exists = macros.containsKey(text); states.peek().setActive(exists); return source_skipline(true); @@ -2042,8 +2042,8 @@ public class Preprocessor implements Closeable { + tok.getText()); return source_skipline(false); } else { - String text = tok.getText(); - boolean exists + final String text = tok.getText(); + final boolean exists = macros.containsKey(text); states.peek().setActive(!exists); return source_skipline(true); @@ -2105,7 +2105,7 @@ public class Preprocessor implements Closeable { public Token token() throws IOException, LexerException { - Token tok = _token(); + final Token tok = _token(); if (getFeature(Feature.DEBUG)) LOG.debug("pp: Returning " + tok); return tok; @@ -2113,7 +2113,7 @@ public class Preprocessor implements Closeable { @Override public String toString() { - StringBuilder buf = new StringBuilder(); + final StringBuilder buf = new StringBuilder(); Source s = getSource(); while (s != null) { @@ -2121,8 +2121,8 @@ public class Preprocessor implements Closeable { s = s.getParent(); } - Map<String, Macro> macros = new TreeMap<String, Macro>(getMacros()); - for (Macro macro : macros.values()) { + final Map<String, Macro> macros = new TreeMap<String, Macro>(getMacros()); + for (final Macro macro : macros.values()) { buf.append("#").append("macro ").append(macro).append("\n"); } @@ -2139,7 +2139,7 @@ public class Preprocessor implements Closeable { s = s.getParent(); } } - for (Source s : inputs) { + for (final Source s : inputs) { s.close(); } } diff --git a/src/main/java/org/anarres/cpp/Source.java b/src/main/java/org/anarres/cpp/Source.java index d25e553..ff7482a 100644 --- a/src/main/java/org/anarres/cpp/Source.java +++ b/src/main/java/org/anarres/cpp/Source.java @@ -94,7 +94,7 @@ public abstract class Source implements Iterable<Token>, Closeable { * * Sources form a singly linked list. */ - /* pp */ void setParent(Source parent, boolean autopop) { + /* pp */ void setParent(final Source parent, final boolean autopop) { this.parent = parent; this.autopop = autopop; } @@ -110,7 +110,7 @@ public abstract class Source implements Iterable<Token>, Closeable { // @OverrideMustInvoke - /* pp */ void init(Preprocessor pp) { + /* pp */ void init(final Preprocessor pp) { setListener(pp.getListener()); this.werror = pp.getWarnings().contains(Warning.ERROR); } @@ -122,7 +122,7 @@ public abstract class Source implements Iterable<Token>, Closeable { * used, but if you are using a Source as a standalone object, * you may wish to call this. */ - public void setListener(PreprocessorListener pl) { + public void setListener(final PreprocessorListener pl) { this.listener = pl; } @@ -135,7 +135,7 @@ public abstract class Source implements Iterable<Token>, Closeable { */ @CheckForNull public String getPath() { - Source parent = getParent(); + final Source parent = getParent(); if (parent != null) return parent.getPath(); return null; @@ -146,7 +146,7 @@ public abstract class Source implements Iterable<Token>, Closeable { */ @CheckForNull public String getName() { - Source parent = getParent(); + final Source parent = getParent(); if (parent != null) return parent.getName(); return null; @@ -157,7 +157,7 @@ public abstract class Source implements Iterable<Token>, Closeable { */ @Nonnegative public int getLine() { - Source parent = getParent(); + final Source parent = getParent(); if (parent == null) return 0; return parent.getLine(); @@ -167,7 +167,7 @@ public abstract class Source implements Iterable<Token>, Closeable { * Returns the current column number within this Source. */ public int getColumn() { - Source parent = getParent(); + final Source parent = getParent(); if (parent == null) return 0; return parent.getColumn(); @@ -178,8 +178,8 @@ public abstract class Source implements Iterable<Token>, Closeable { * * This is used to prevent macro recursion. */ - /* pp */ boolean isExpanding(@Nonnull Macro m) { - Source parent = getParent(); + /* pp */ boolean isExpanding(@Nonnull final Macro m) { + final Source parent = getParent(); if (parent != null) return parent.isExpanding(m); return false; @@ -204,7 +204,7 @@ public abstract class Source implements Iterable<Token>, Closeable { /* This is an incredibly lazy way of disabling warnings when * the source is not active. */ - /* pp */ void setActive(boolean b) { + /* pp */ void setActive(final boolean b) { this.active = b; } @@ -238,11 +238,11 @@ public abstract class Source implements Iterable<Token>, Closeable { * @return the NL token. */ @Nonnull - public Token skipline(boolean white) + public Token skipline(final boolean white) throws IOException, LexerException { for (;;) { - Token tok = token(); + final Token tok = token(); switch (tok.getType()) { case EOF: /* There ought to be a newline before EOF. @@ -271,7 +271,7 @@ public abstract class Source implements Iterable<Token>, Closeable { } } - protected void error(int line, int column, String msg) + protected void error(final int line, final int column, final String msg) throws LexerException { if (listener != null) listener.handleError(this, line, column, msg); @@ -279,7 +279,7 @@ public abstract class Source implements Iterable<Token>, Closeable { throw new LexerException("Error at " + line + ":" + column + ": " + msg); } - protected void warning(int line, int column, String msg) + protected void warning(final int line, final int column, final String msg) throws LexerException { if (werror) error(line, column, msg); 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