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style: java: more style fixes

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* data/skeletons/lalr1.java, tests/java.at: Avoid space before paren.
And use braces as is customary in the Java.
This commit is contained in:
Akim Demaille
2020-11-01 15:40:49 +01:00
parent 042b916c0e
commit 787052f074
2 changed files with 51 additions and 60 deletions
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71
data/skeletons/lalr1.java
View File

@@ -78,13 +78,13 @@ m4_define([b4_define_state],
/* Semantic value of the lookahead. */
]b4_yystype[ yylval = null;
]])[
]])
## ------------- ##
## Parser File. ##
## ------------- ##
]b4_output_begin([b4_parser_file_name])[
b4_output_begin([b4_parser_file_name])[
]b4_copyright([Skeleton implementation for Bison LALR(1) parsers in Java],
[2007-2015, 2018-2020])[
]b4_disclaimer[
@@ -165,11 +165,11 @@ import java.text.MessageFormat;
* <code>]b4_position_type[</code> should override the <code>equals</code>
* method.
*/
public String toString () {
public String toString() {
if (begin.equals (end))
return begin.toString ();
return begin.toString();
else
return begin.toString () + "-" + end.toString ();
return begin.toString() + "-" + end.toString();
}
}
@@ -234,7 +234,7 @@ import java.text.MessageFormat;
*
* @@param ctx The context of the error.
*/
void reportSyntaxError (][Context ctx);
void reportSyntaxError(Context ctx);
]])[
}
@@ -255,7 +255,7 @@ import java.text.MessageFormat;
/**
* Instantiates the Bison-generated parser.
*/
public ]b4_parser_class (b4_parse_param_decl([b4_lex_param_decl])[)]b4_maybe_throws([b4_init_throws])[
public ]b4_parser_class[(]b4_parse_param_decl([b4_lex_param_decl])[)]b4_maybe_throws([b4_init_throws])[
{
]b4_percent_code_get([[init]])[
this.yylexer = new YYLexer (]b4_lex_param_call[);
@@ -267,7 +267,7 @@ import java.text.MessageFormat;
* Instantiates the Bison-generated parser.
* @@param yylexer The scanner that will supply tokens to the parser.
*/
]b4_lexer_if([[protected]], [[public]]) b4_parser_class[ (]b4_parse_param_decl([[Lexer yylexer]])[)]b4_maybe_throws([b4_init_throws])[
]b4_lexer_if([[protected]], [[public]]) b4_parser_class[(]b4_parse_param_decl([[Lexer yylexer]])[)]b4_maybe_throws([b4_init_throws])[
{
]b4_percent_code_get([[init]])[
this.yylexer = yylexer;
@@ -280,13 +280,13 @@ import java.text.MessageFormat;
/**
* The <tt>PrintStream</tt> on which the debugging output is printed.
*/
public final java.io.PrintStream getDebugStream () { return yyDebugStream; }
public final java.io.PrintStream getDebugStream() { return yyDebugStream; }
/**
* Set the <tt>PrintStream</tt> on which the debug output is printed.
* @@param s The stream that is used for debugging output.
*/
public final void setDebugStream (java.io.PrintStream s) { yyDebugStream = s; }
public final void setDebugStream(java.io.PrintStream s) { yyDebugStream = s; }
private int yydebug = 0;
@@ -294,14 +294,14 @@ import java.text.MessageFormat;
* Answer the verbosity of the debugging output; 0 means that all kinds of
* output from the parser are suppressed.
*/
public final int getDebugLevel () { return yydebug; }
public final int getDebugLevel() { return yydebug; }
/**
* Set the verbosity of the debugging output; 0 means that all kinds of
* output from the parser are suppressed.
* @@param level The verbosity level for debugging output.
*/
public final void setDebugLevel (int level) { yydebug = level; }
public final void setDebugLevel(int level) { yydebug = level; }
]])[
private int yynerrs = 0;
@@ -309,7 +309,7 @@ import java.text.MessageFormat;
/**
* The number of syntax errors so far.
*/
public final int getNumberOfErrors () { return yynerrs; }
public final int getNumberOfErrors() { return yynerrs; }
/**
* Print an error message via the lexer.
@@ -338,9 +338,9 @@ import java.text.MessageFormat;
yylexer.yyerror(new ]b4_location_type[ (pos), msg);
}]])[
]b4_parse_trace_if([[
protected final void yycdebug (String s) {
protected final void yycdebug(String s) {
if (0 < yydebug)
yyDebugStream.println (s);
yyDebugStream.println(s);
}]])[
private final class YYStack {
@@ -464,8 +464,7 @@ import java.text.MessageFormat;
* @@param yystate the current state
* @@param yysym the nonterminal to push on the stack
*/
private int yyLRGotoState (int yystate, int yysym)
{
private int yyLRGotoState(int yystate, int yysym) {
int yyr = yypgoto_[yysym - YYNTOKENS_] + yystate;
if (0 <= yyr && yyr <= YYLAST_ && yycheck_[yyr] == yystate)
return yytable_[yyr];
@@ -689,7 +688,7 @@ b4_dollar_popdef[]dnl
case YYREDUCE:
yylen = yyr2_[yyn];
label = yyaction(yyn, yystack, yylen);
yystate = yystack.stateAt (0);
yystate = yystack.stateAt(0);
break;
/*------------------------------------.
@@ -702,7 +701,7 @@ b4_dollar_popdef[]dnl
++yynerrs;
if (yychar == YYEMPTY_)
yytoken = null;
yyreportSyntaxError (new Context (yystack, yytoken]b4_locations_if([[, yylloc]])[));
yyreportSyntaxError(new Context(yystack, yytoken]b4_locations_if([[, yylloc]])[));
}
]b4_locations_if([[
yyerrloc = yylloc;]])[
@@ -735,7 +734,7 @@ b4_dollar_popdef[]dnl
this YYERROR. */
yystack.pop (yylen);
yylen = 0;
yystate = yystack.stateAt (0);
yystate = yystack.stateAt(0);
label = YYERRLAB1;
break;
@@ -769,7 +768,7 @@ b4_dollar_popdef[]dnl
]b4_locations_if([[
yyerrloc = yystack.locationAt (0);]])[
yystack.pop ();
yystate = yystack.stateAt (0);]b4_parse_trace_if([[
yystate = yystack.stateAt(0);]b4_parse_trace_if([[
if (0 < yydebug)
yystack.print (yyDebugStream);]])[
}
@@ -881,8 +880,7 @@ b4_dollar_popdef[]dnl
* Information needed to get the list of expected tokens and to forge
* a syntax error diagnostic.
*/
public static final class Context
{
public static final class Context {
Context (YYStack stack, SymbolKind token]b4_locations_if([[, ]b4_location_type[ loc]])[)
{
yystack = stack;
@@ -896,8 +894,7 @@ b4_dollar_popdef[]dnl
/**
* The symbol kind of the lookahead token.
*/
public final SymbolKind getToken ()
{
public final SymbolKind getToken() {
return yytoken;
}
@@ -906,8 +903,7 @@ b4_dollar_popdef[]dnl
/**
* The location of the lookahead.
*/
public final ]b4_location_type[ getLocation ()
{
public final ]b4_location_type[ getLocation() {
return yylocation;
}
@@ -920,16 +916,14 @@ b4_dollar_popdef[]dnl
* YYARG is null, return the number of expected tokens (guaranteed to
* be less than YYNTOKENS).
*/
int getExpectedTokens (SymbolKind yyarg[], int yyargn)
{
int getExpectedTokens(SymbolKind yyarg[], int yyargn) {
return getExpectedTokens (yyarg, 0, yyargn);
}
int getExpectedTokens (SymbolKind yyarg[], int yyoffset, int yyargn)
{
int getExpectedTokens(SymbolKind yyarg[], int yyoffset, int yyargn) {
int yycount = yyoffset;
int yyn = yypact_[this.yystack.stateAt (0)];
if (!yyPactValueIsDefault (yyn))
int yyn = yypact_[this.yystack.stateAt(0)];
if (!yyPactValueIsDefault(yyn))
{
/* Start YYX at -YYN if negative to avoid negative
indexes in YYCHECK. In other words, skip the first
@@ -959,8 +953,7 @@ b4_dollar_popdef[]dnl
]b4_parse_error_bmatch(
[detailed\|verbose], [[
private int yysyntaxErrorArguments (Context yyctx, SymbolKind[] yyarg, int yyargn)
{
private int yysyntaxErrorArguments(Context yyctx, SymbolKind[] yyarg, int yyargn) {
/* There are many possibilities here to consider:
- If this state is a consistent state with a default action,
then the only way this function was invoked is if the
@@ -1038,8 +1031,7 @@ b4_dollar_popdef[]dnl
* Whether the given <code>yypact_</code> value indicates a defaulted state.
* @@param yyvalue the value to check
*/
private static boolean yyPactValueIsDefault (int yyvalue)
{
private static boolean yyPactValueIsDefault(int yyvalue) {
return yyvalue == yypact_ninf_;
}
@@ -1048,8 +1040,7 @@ b4_dollar_popdef[]dnl
* value indicates a syntax error.
* @@param yyvalue the value to check
*/
private static boolean yyTableValueIsError (int yyvalue)
{
private static boolean yyTableValueIsError(int yyvalue) {
return yyvalue == yytable_ninf_;
}
@@ -1078,7 +1069,7 @@ b4_dollar_popdef[]dnl
/* The symbols being reduced. */
for (int yyi = 0; yyi < yynrhs; yyi++)
yySymbolPrint(" $" + (yyi + 1) + " =",
SymbolKind.get(yystos_[yystack.stateAt (yynrhs - (yyi + 1))]),
SymbolKind.get(yystos_[yystack.stateAt(yynrhs - (yyi + 1))]),
]b4_rhs_data(yynrhs, yyi + 1)b4_locations_if([,
b4_rhs_location(yynrhs, yyi + 1)])[);
}]])[

40
tests/java.at
View File

@@ -307,11 +307,11 @@ AT_CLEANUP
AT_SETUP([Java %parse-param and %lex-param])
AT_CHECK_JAVA_MINIMAL([])
AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer) *]])
AT_CHECK_JAVA_GREP([[ *public YYParser(Lexer yylexer) *]])
AT_CHECK_JAVA_MINIMAL([[%parse-param {int parse_param1}]])
AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1) *]])
AT_CHECK_JAVA_GREP([[ *public YYParser(Lexer yylexer, *int parse_param1) *]])
AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]])
AT_CHECK_JAVA_MINIMAL([[
@@ -319,19 +319,19 @@ AT_CHECK_JAVA_MINIMAL([[
%parse-param {long parse_param2}]])
AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
AT_CHECK_JAVA_GREP([[ *public YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[ *public YYParser(Lexer yylexer, *int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]])
AT_CHECK_JAVA_GREP([[ *this.parse_param2 = parse_param2;]])
AT_CHECK_JAVA_MINIMAL_W_LEXER([], [], [[return EOF;]])
AT_CHECK_JAVA_GREP([[ *public YYParser () *]])
AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer) *]])
AT_CHECK_JAVA_GREP([[ *public YYParser() *]])
AT_CHECK_JAVA_GREP([[ *protected YYParser(Lexer yylexer) *]])
AT_CHECK_JAVA_MINIMAL_W_LEXER([[%parse-param {int parse_param1}]],
[], [[return EOF;]])
AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1) *]])
AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1) *]])
AT_CHECK_JAVA_GREP([[ *public YYParser(int parse_param1) *]])
AT_CHECK_JAVA_GREP([[ *protected YYParser(Lexer yylexer, *int parse_param1) *]])
AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]], [2])
AT_CHECK_JAVA_MINIMAL_W_LEXER([[
@@ -340,21 +340,21 @@ AT_CHECK_JAVA_MINIMAL_W_LEXER([[
[], [[return EOF;]])
AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
AT_CHECK_JAVA_GREP([[ *public YYParser (int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[ *public YYParser(int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[ *protected YYParser(Lexer yylexer, *int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]], [2])
AT_CHECK_JAVA_GREP([[ *this.parse_param2 = parse_param2;]], [2])
AT_CHECK_JAVA_MINIMAL_W_LEXER([[%lex-param {char lex_param1}]],
[], [[return EOF;]], [[YYLexer (char lex_param1) {}]])
AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1) *]])
AT_CHECK_JAVA_GREP([[ *public YYParser(char lex_param1) *]])
AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1);]])
AT_CHECK_JAVA_MINIMAL_W_LEXER([[
%lex-param {char lex_param1}
%lex-param {short lex_param2}]],
[], [[return EOF;]], [[YYLexer (char lex_param1, short lex_param2) {}]])
AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2) *]])
AT_CHECK_JAVA_GREP([[ *public YYParser(char lex_param1, *short lex_param2) *]])
AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
AT_CHECK_JAVA_MINIMAL_W_LEXER([[
@@ -365,9 +365,9 @@ AT_CHECK_JAVA_MINIMAL_W_LEXER([[
[], [[return EOF;]], [[YYLexer (char lex_param1, short lex_param2) {}]])
AT_CHECK_JAVA_GREP([[ *protected final int parse_param1;]])
AT_CHECK_JAVA_GREP([[ *protected final long parse_param2;]])
AT_CHECK_JAVA_GREP([[ *public YYParser (char lex_param1, *short lex_param2, *int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[ *public YYParser(char lex_param1, *short lex_param2, *int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[.* = new YYLexer *(lex_param1, *lex_param2);]])
AT_CHECK_JAVA_GREP([[ *protected YYParser (Lexer yylexer, *int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[ *protected YYParser(Lexer yylexer, *int parse_param1, *long parse_param2) *]])
AT_CHECK_JAVA_GREP([[ *this.parse_param1 = parse_param1;]], [2])
AT_CHECK_JAVA_GREP([[ *this.parse_param2 = parse_param2;]], [2])
@@ -539,23 +539,23 @@ AT_DATA([[YYParser.y]], [[%language "Java"
String Input;
int Position;
public YYLexer (String s)
public YYLexer(String s)
{
Input = s;
Position = 0;
}
public void yyerror (String s)
public void yyerror(String s)
{
System.err.println (s);
}
public Object getLVal ()
public Object getLVal()
{
return null;
}
public int yylex () throws IOException
public int yylex() throws IOException
{
if (Position >= Input.length ())
return EOF;
@@ -565,10 +565,10 @@ AT_DATA([[YYParser.y]], [[%language "Java"
}
%code {
public static void main (String args []) throws IOException
public static void main(String args []) throws IOException
{
YYParser p = new YYParser (args [0]);
p.parse ();
YYParser p = new YYParser(args[0]);
p.parse();
}
}
%%