Sweden-Number/tools/winapi/c_parser.pm

1291 lines
29 KiB
Perl

package c_parser;
use strict;
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK);
require Exporter;
@ISA = qw(Exporter);
@EXPORT = qw();
@EXPORT_OK = qw();
use options qw($options);
use output qw($output);
use c_function;
########################################################################
# new
#
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my $self = {};
bless ($self, $class);
my $file = \${$self->{FILE}};
my $found_comment = \${$self->{FOUND_COMMENT}};
my $found_declaration = \${$self->{FOUND_DECLARATION}};
my $create_function = \${$self->{CREATE_FUNCTION}};
my $found_function = \${$self->{FOUND_FUNCTION}};
my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
my $found_preprocessor = \${$self->{FOUND_PREPROCESSOR}};
my $found_statement = \${$self->{FOUND_STATEMENT}};
my $found_variable = \${$self->{FOUND_VARIABLE}};
$$file = shift;
$$found_comment = sub { return 1; };
$$found_declaration = sub { return 1; };
$$create_function = sub { return new c_function; };
$$found_function = sub { return 1; };
$$found_function_call = sub { return 1; };
$$found_preprocessor = sub { return 1; };
$$found_statement = sub { return 1; };
$$found_variable = sub { return 1; };
return $self;
}
########################################################################
# set_found_comment_callback
#
sub set_found_comment_callback {
my $self = shift;
my $found_comment = \${$self->{FOUND_COMMENT}};
$$found_comment = shift;
}
########################################################################
# set_found_declaration_callback
#
sub set_found_declaration_callback {
my $self = shift;
my $found_declaration = \${$self->{FOUND_DECLARATION}};
$$found_declaration = shift;
}
########################################################################
# set_found_function_callback
#
sub set_found_function_callback {
my $self = shift;
my $found_function = \${$self->{FOUND_FUNCTION}};
$$found_function = shift;
}
########################################################################
# set_found_function_call_callback
#
sub set_found_function_call_callback {
my $self = shift;
my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
$$found_function_call = shift;
}
########################################################################
# set_found_preprocessor_callback
#
sub set_found_preprocessor_callback {
my $self = shift;
my $found_preprocessor = \${$self->{FOUND_PREPROCESSOR}};
$$found_preprocessor = shift;
}
########################################################################
# set_found_statement_callback
#
sub set_found_statement_callback {
my $self = shift;
my $found_statement = \${$self->{FOUND_STATEMENT}};
$$found_statement = shift;
}
########################################################################
# set_found_variable_callback
#
sub set_found_variable_callback {
my $self = shift;
my $found_variable = \${$self->{FOUND_VARIABLE}};
$$found_variable = shift;
}
########################################################################
# _parse_c
sub _parse_c {
my $self = shift;
my $pattern = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $refmatch = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
my $match;
if(s/^(?:$pattern)//s) {
$self->_update_c_position($&, \$line, \$column);
$match = $&;
} else {
return 0;
}
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
$$refmatch = $match;
return 1;
}
########################################################################
# _parse_c_error
sub _parse_c_error {
my $self = shift;
my $file = \${$self->{FILE}};
local $_ = shift;
my $line = shift;
my $column = shift;
my $context = shift;
my @lines = split(/\n/, $_);
my $current = "\n";
$current .= $lines[0] . "\n" || "";
$current .= $lines[1] . "\n" || "";
if($output->prefix) {
$output->write("\n");
$output->prefix("");
}
$output->write("$$file:$line." . ($column + 1) . ": $context: parse error: \\$current");
exit 1;
}
########################################################################
# _parse_c_output
sub _parse_c_output {
my $self = shift;
local $_ = shift;
my $line = shift;
my $column = shift;
my $message = shift;
my @lines = split(/\n/, $_);
my $current = "\n";
$current .= $lines[0] . "\n" || "";
$current .= $lines[1] . "\n" || "";
$output->write("$line." . ($column + 1) . ": $message: \\$current");
}
########################################################################
# _parse_c_until_one_of
sub _parse_c_until_one_of {
my $self = shift;
my $characters = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $match = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
if(!defined($match)) {
my $blackhole;
$match = \$blackhole;
}
$$match = "";
while(/^[^$characters]/s) {
my $submatch = "";
if(s/^[^$characters\n\t\'\"]*//s) {
$submatch .= $&;
}
if(s/^\'//) {
$submatch .= "\'";
while(/^./ && !s/^\'//) {
s/^([^\'\\]*)//s;
$submatch .= $1;
if(s/^\\//) {
$submatch .= "\\";
if(s/^(.)//s) {
$submatch .= $1;
if($1 eq "0") {
s/^(\d{0,3})//s;
$submatch .= $1;
}
}
}
}
$submatch .= "\'";
$$match .= $submatch;
$column += length($submatch);
} elsif(s/^\"//) {
$submatch .= "\"";
while(/^./ && !s/^\"//) {
s/^([^\"\\]*)//s;
$submatch .= $1;
if(s/^\\//) {
$submatch .= "\\";
if(s/^(.)//s) {
$submatch .= $1;
if($1 eq "0") {
s/^(\d{0,3})//s;
$submatch .= $1;
}
}
}
}
$submatch .= "\"";
$$match .= $submatch;
$column += length($submatch);
} elsif(s/^\n//) {
$submatch .= "\n";
$$match .= $submatch;
$line++;
$column = 0;
} elsif(s/^\t//) {
$submatch .= "\t";
$$match .= $submatch;
$column = $column + 8 - $column % 8;
} else {
$$match .= $submatch;
$column += length($submatch);
}
}
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
return 1;
}
########################################################################
# _update_c_position
sub _update_c_position {
my $self = shift;
local $_ = shift;
my $refline = shift;
my $refcolumn = shift;
my $line = $$refline;
my $column = $$refcolumn;
while($_) {
if(s/^[^\n\t\'\"]*//s) {
$column += length($&);
}
if(s/^\'//) {
$column++;
while(/^./ && !s/^\'//) {
s/^([^\'\\]*)//s;
$column += length($1);
if(s/^\\//) {
$column++;
if(s/^(.)//s) {
$column += length($1);
if($1 eq "0") {
s/^(\d{0,3})//s;
$column += length($1);
}
}
}
}
$column++;
} elsif(s/^\"//) {
$column++;
while(/^./ && !s/^\"//) {
s/^([^\"\\]*)//s;
$column += length($1);
if(s/^\\//) {
$column++;
if(s/^(.)//s) {
$column += length($1);
if($1 eq "0") {
s/^(\d{0,3})//s;
$column += length($1);
}
}
}
}
$column++;
} elsif(s/^\n//) {
$line++;
$column = 0;
} elsif(s/^\t//) {
$column = $column + 8 - $column % 8;
}
}
$$refline = $line;
$$refcolumn = $column;
}
########################################################################
# parse_c_block
sub parse_c_block {
my $self = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $refstatements = shift;
my $refstatements_line = shift;
my $refstatements_column = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
my $statements;
if(s/^\{//) {
$column++;
$statements = "";
} else {
return 0;
}
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
my $statements_line = $line;
my $statements_column = $column;
my $plevel = 1;
while($plevel > 0) {
my $match;
$self->_parse_c_until_one_of("\\{\\}", \$_, \$line, \$column, \$match);
$column++;
$statements .= $match;
if(s/^\}//) {
$plevel--;
if($plevel > 0) {
$statements .= "}";
}
} elsif(s/^\{//) {
$plevel++;
$statements .= "{";
} else {
return 0;
}
}
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
$$refstatements = $statements;
$$refstatements_line = $statements_line;
$$refstatements_column = $statements_column;
return 1;
}
########################################################################
# parse_c_declaration
sub parse_c_declaration {
my $self = shift;
my $found_declaration = \${$self->{FOUND_DECLARATION}};
my $found_function = \${$self->{FOUND_FUNCTION}};
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
my $begin_line = $line;
my $begin_column = $column + 1;
my $end_line = $begin_line;
my $end_column = $begin_column;
$self->_update_c_position($_, \$end_line, \$end_column);
if(!&$$found_declaration($begin_line, $begin_column, $end_line, $end_column, $_)) {
return 1;
}
# Function
my $function = shift;
my $linkage = shift;
my $calling_convention = shift;
my $return_type = shift;
my $name = shift;
my @arguments = shift;
my @argument_lines = shift;
my @argument_columns = shift;
# Variable
my $type;
# $self->_parse_c_output($_, $line, $column, "declaration");
if(0) {
# Nothing
} elsif(s/^(?:DEFAULT|DECLARE)_DEBUG_CHANNEL\s*\(\s*(\w+)\s*\)\s*//s) { # FIXME: Wine specific kludge
$self->_update_c_position($&, \$line, \$column);
} elsif(s/^extern\s*\"(.*?)\"\s*//s) {
$self->_update_c_position($&, \$line, \$column);
my $declarations;
my $declarations_line;
my $declarations_column;
if(!$self->parse_c_block(\$_, \$line, \$column, \$declarations, \$declarations_line, \$declarations_column)) {
return 0;
}
if(!$self->parse_c_declarations(\$declarations, \$declarations_line, \$declarations_column)) {
return 0;
}
} elsif($self->parse_c_function(\$_, \$line, \$column, \$function)) {
if(&$$found_function($function))
{
my $statements = $function->statements;
my $statements_line = $function->statements_line;
my $statements_column = $function->statements_column;
if(defined($statements)) {
if(!$self->parse_c_statements(\$statements, \$statements_line, \$statements_column)) {
return 0;
}
}
}
} elsif($self->parse_c_typedef(\$_, \$line, \$column)) {
# Nothing
} elsif($self->parse_c_variable(\$_, \$line, \$column, \$linkage, \$type, \$name)) {
# Nothing
} else {
$self->_parse_c_error($_, $line, $column, "declaration");
}
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
return 1;
}
########################################################################
# parse_c_declarations
sub parse_c_declarations {
my $self = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
return 1;
}
########################################################################
# parse_c_expression
sub parse_c_expression {
my $self = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
if(s/^(.*?)(\w+\s*\()/$2/s) {
$column += length($1);
my $begin_line = $line;
my $begin_column = $column + 1;
my $name;
my @arguments;
my @argument_lines;
my @argument_columns;
if(!$self->parse_c_function_call(\$_, \$line, \$column, \$name, \@arguments, \@argument_lines, \@argument_columns)) {
return 0;
}
if($name =~ /^sizeof$/ ||
&$$found_function_call($begin_line, $begin_column, $line, $column, $name, \@arguments))
{
while(defined(my $argument = shift @arguments) &&
defined(my $argument_line = shift @argument_lines) &&
defined(my $argument_column = shift @argument_columns))
{
$self->parse_c_expression(\$argument, \$argument_line, \$argument_column);
}
}
} elsif(s/^return//) {
$column += length($&);
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
if(!$self->parse_c_expression(\$_, \$line, \$column)) {
return 0;
}
} else {
return 0;
}
$self->_update_c_position($_, \$line, \$column);
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
return 1;
}
########################################################################
# parse_c_file
sub parse_c_file {
my $self = shift;
my $found_comment = \${$self->{FOUND_COMMENT}};
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
my $declaration = "";
my $declaration_line = $line;
my $declaration_column = $column;
my $previous_line = 0;
my $previous_column = -1;
my $blevel = 1;
my $plevel = 1;
while($plevel > 0 || $blevel > 0) {
my $match;
$self->_parse_c_until_one_of("#/\\(\\)\\[\\]\\{\\};", \$_, \$line, \$column, \$match);
if($line == $previous_line && $column == $previous_column) {
# $self->_parse_c_error($_, $line, $column, "file: no progress");
}
$previous_line = $line;
$previous_column = $column;
# $self->_parse_c_output($_, $line, $column, "'$match'");
if(!$declaration && $match =~ s/^\s+//s) {
$self->_update_c_position($&, \$declaration_line, \$declaration_column);
}
$declaration .= $match;
if(/^[\#\/]/) {
my $blank_lines = 0;
if(s/^\#\s*//) {
my $preprocessor_line = $line;
my $preprocessor_column = $column;
my $preprocessor = $&;
while(s/^(.*?)\\\s*\n//) {
$blank_lines++;
$preprocessor .= "$1\n";
}
if(s/^(.*?)(\/[\*\/].*)?\n//) {
if(defined($2)) {
$_ = "$2\n$_";
} else {
$blank_lines++;
}
$preprocessor .= $1;
}
if(!$self->parse_c_preprocessor(\$preprocessor, \$preprocessor_line, \$preprocessor_column)) {
return 0;
}
}
if(s/^\/\*(.*?)\*\///s) {
&$$found_comment($line, $column + 1, "/*$1*/");
my @lines = split(/\n/, $1);
if($#lines > 0) {
$blank_lines += $#lines;
} else {
$column += length($1);
}
} elsif(s/^\/\/(.*?)\n//) {
&$$found_comment($line, $column + 1, "//$1");
$blank_lines++;
} elsif(s/^\///) {
$declaration .= $&;
}
$line += $blank_lines;
if($blank_lines > 0) {
$column = 0;
}
if(!$declaration) {
$declaration_line = $line;
$declaration_column = $column;
} else {
$declaration .= "\n" x $blank_lines;
}
next;
}
$column++;
if(s/^[\(\[]//) {
$plevel++;
$declaration .= $&;
} elsif(s/^[\)\]]//) {
$plevel--;
$declaration .= $&;
} elsif(s/^\{//) {
$blevel++;
$declaration .= $&;
} elsif(s/^\}//) {
$blevel--;
$declaration .= $&;
if($plevel == 1 && $blevel == 1 && $declaration !~ /^typedef/) {
if(!$self->parse_c_declaration(\$declaration, \$declaration_line, \$declaration_column)) {
return 0;
}
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
$declaration = "";
$declaration_line = $line;
$declaration_column = $column;
}
} elsif(s/^;//) {
if($plevel == 1 && $blevel == 1) {
if($declaration && !$self->parse_c_declaration(\$declaration, \$declaration_line, \$declaration_column)) {
return 0;
}
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
$declaration = "";
$declaration_line = $line;
$declaration_column = $column;
} else {
$declaration .= $&;
}
} elsif(/^\s*$/ && $declaration =~ /^\s*$/ && $match =~ /^\s*$/) {
$plevel = 0;
$blevel = 0;
} else {
$self->_parse_c_error($_, $line, $column, "file");
}
}
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
return 1;
}
########################################################################
# parse_c_function
sub parse_c_function {
my $self = shift;
my $file = \${$self->{FILE}};
my $create_function = \${$self->{CREATE_FUNCTION}};
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $reffunction = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
my $linkage = "";
my $calling_convention = "";
my $return_type;
my $name;
my @arguments;
my @argument_lines;
my @argument_columns;
my $statements;
my $statements_line;
my $statements_column;
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
my $begin_line = $line;
my $begin_column = $column + 1;
$self->_parse_c("inline", \$_, \$line, \$column);
$self->_parse_c("extern|static", \$_, \$line, \$column, \$linkage);
$self->_parse_c("inline", \$_, \$line, \$column);
if(!$self->parse_c_type(\$_, \$line, \$column, \$return_type)) {
return 0;
}
$self->_parse_c("__cdecl|__stdcall|CDECL|VFWAPIV|VFWAPI|WINAPIV|WINAPI|CALLBACK",
\$_, \$line, \$column, \$calling_convention);
if(!$self->_parse_c("\\w+", \$_, \$line, \$column, \$name)) {
return 0;
}
if(!$self->parse_c_tuple(\$_, \$line, \$column, \@arguments, \@argument_lines, \@argument_columns)) {
return 0;
}
if($_ && !$self->parse_c_block(\$_, \$line, \$column, \$statements, \$statements_line, \$statements_column)) {
return 0;
}
my $end_line = $line;
my $end_column = $column;
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
my $function = &$$create_function;
$function->file($$file);
$function->begin_line($begin_line);
$function->begin_column($begin_column);
$function->end_line($end_line);
$function->end_column($end_column);
$function->linkage($linkage);
$function->return_type($return_type);
$function->calling_convention($calling_convention);
$function->name($name);
# if(defined($argument_types)) {
# $function->argument_types([@$argument_types]);
# }
# if(defined($argument_names)) {
# $function->argument_names([@$argument_names]);
# }
$function->statements_line($statements_line);
$function->statements_column($statements_column);
$function->statements($statements);
$$reffunction = $function;
return 1;
}
########################################################################
# parse_c_function_call
sub parse_c_function_call {
my $self = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $refname = shift;
my $refarguments = shift;
my $refargument_lines = shift;
my $refargument_columns = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
my $name;
my @arguments;
my @argument_lines;
my @argument_columns;
if(s/^(\w+)(\s*)\(/\(/s) {
$column += length("$1$2");
$name = $1;
if(!$self->parse_c_tuple(\$_, \$line, \$column, \@arguments, \@argument_lines, \@argument_columns)) {
return 0;
}
} else {
return 0;
}
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
$$refname = $name;
@$refarguments = @arguments;
@$refargument_lines = @argument_lines;
@$refargument_columns = @argument_columns;
return 1;
}
########################################################################
# parse_c_preprocessor
sub parse_c_preprocessor {
my $self = shift;
my $found_preprocessor = \${$self->{FOUND_PREPROCESSOR}};
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
my $begin_line = $line;
my $begin_column = $column + 1;
if(!&$$found_preprocessor($begin_line, $begin_column, "$_")) {
return 1;
}
if(0) {
# Nothing
} elsif(/^\#\s*define\s+(.*?)$/s) {
$self->_update_c_position($_, \$line, \$column);
} elsif(/^\#\s*else/s) {
$self->_update_c_position($_, \$line, \$column);
} elsif(/^\#\s*endif/s) {
$self->_update_c_position($_, \$line, \$column);
} elsif(/^\#\s*(?:if|ifdef|ifndef)?\s+(.*?)$/s) {
$self->_update_c_position($_, \$line, \$column);
} elsif(/^\#\s*include\s+(.*?)$/s) {
$self->_update_c_position($_, \$line, \$column);
} elsif(/^\#\s*undef\s+(.*?)$/s) {
$self->_update_c_position($_, \$line, \$column);
} else {
$self->_parse_c_error($_, $line, $column, "preprocessor");
}
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
return 1;
}
########################################################################
# parse_c_statement
sub parse_c_statement {
my $self = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
if(s/^(?:case\s+)?(\w+)\s*://) {
$column += length($&);
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
}
# $output->write("$line.$column: '$_'\n");
if(/^$/) {
# Nothing
} elsif(/^\{/) {
my $statements;
my $statements_line;
my $statements_column;
if(!$self->parse_c_block(\$_, \$line, \$column, \$statements, \$statements_line, \$statements_column)) {
return 0;
}
if(!$self->parse_c_statements(\$statements, \$statements_line, \$statements_column)) {
return 0;
}
} elsif(/^(for|if|switch|while)(\s*)\(/) {
$column += length("$1$2");
my $name = $1;
$_ = "($'";
my @arguments;
my @argument_lines;
my @argument_columns;
if(!$self->parse_c_tuple(\$_, \$line, \$column, \@arguments, \@argument_lines, \@argument_columns)) {
return 0;
}
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
if(!$self->parse_c_statement(\$_, \$line, \$column)) {
return 0;
}
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
while(defined(my $argument = shift @arguments) &&
defined(my $argument_line = shift @argument_lines) &&
defined(my $argument_column = shift @argument_columns))
{
$self->parse_c_expression(\$argument, \$argument_line, \$argument_column);
}
} elsif(s/^else//) {
$column += length($&);
if(!$self->parse_c_statement(\$_, \$line, \$column)) {
return 0;
}
} elsif($self->parse_c_expression(\$_, \$line, \$column)) {
# Nothing
} else {
# $self->_parse_c_error($_, $line, $column, "statement");
}
$self->_update_c_position($_, \$line, \$column);
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
return 1;
}
########################################################################
# parse_c_statements
sub parse_c_statements {
my $self = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $found_function_call = \${$self->{FOUND_FUNCTION_CALL}};
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
my $statement = "";
my $statement_line = $line;
my $statement_column = $column;
my $blevel = 1;
my $plevel = 1;
while($plevel > 0 || $blevel > 0) {
my $match;
$self->_parse_c_until_one_of("\\(\\)\\[\\]\\{\\};", \$_, \$line, \$column, \$match);
# $output->write("'$match' '$_'\n");
$column++;
$statement .= $match;
if(s/^[\(\[]//) {
$plevel++;
$statement .= $&;
} elsif(s/^[\)\]]//) {
$plevel--;
if($plevel <= 0) {
$self->_parse_c_error($_, $line, $column, "statements");
}
$statement .= $&;
} elsif(s/^\{//) {
$blevel++;
$statement .= $&;
} elsif(s/^\}//) {
$blevel--;
$statement .= $&;
if($blevel == 1) {
if(!$self->parse_c_statement(\$statement, \$statement_line, \$statement_column)) {
return 0;
}
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
$statement = "";
$statement_line = $line;
$statement_column = $column;
}
} elsif(s/^;//) {
if($plevel == 1 && $blevel == 1) {
if(!$self->parse_c_statement(\$statement, \$statement_line, \$statement_column)) {
return 0;
}
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
$statement = "";
$statement_line = $line;
$statement_column = $column;
} else {
$statement .= $&;
}
} elsif(/^\s*$/ && $statement =~ /^\s*$/ && $match =~ /^\s*$/) {
$plevel = 0;
$blevel = 0;
} else {
$self->_parse_c_error($_, $line, $column, "statements");
}
}
$self->_update_c_position($_, \$line, \$column);
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
return 1;
}
########################################################################
# parse_c_tuple
sub parse_c_tuple {
my $self = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
# FIXME: Should not write directly
my $items = shift;
my $item_lines = shift;
my $item_columns = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
my $item;
if(s/^\(//) {
$column++;
$item = "";
} else {
return 0;
}
my $item_line = $line;
my $item_column = $column + 1;
my $plevel = 1;
while($plevel > 0) {
my $match;
$self->_parse_c_until_one_of("\\(,\\)", \$_, \$line, \$column, \$match);
$column++;
$item .= $match;
if(s/^\)//) {
$plevel--;
if($plevel == 0) {
push @$item_lines, $item_line;
push @$item_columns, $item_column;
push @$items, $item;
$item = "";
} else {
$item .= ")";
}
} elsif(s/^\(//) {
$plevel++;
$item .= "(";
} elsif(s/^,//) {
if($plevel == 1) {
push @$item_lines, $item_line;
push @$item_columns, $item_column;
push @$items, $item;
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
$item_line = $line;
$item_column = $column + 1;
$item = "";
} else {
$item .= ",";
}
} else {
return 0;
}
}
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
return 1;
}
########################################################################
# parse_c_type
sub parse_c_type {
my $self = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $reftype = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
my $type;
$self->_parse_c("const", \$_, \$line, \$column);
if(0) {
# Nothing
} elsif($self->_parse_c('ICOM_VTABLE\(.*?\)', \$_, \$line, \$column, \$type)) {
# Nothing
} elsif($self->_parse_c('\w+\s*(\*\s*)*', \$_, \$line, \$column, \$type)) {
# Nothing
} else {
return 0;
}
$type =~ s/\s//g;
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
$$reftype = $type;
return 1;
}
########################################################################
# parse_c_typedef
sub parse_c_typedef {
my $self = shift;
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $reftype = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
my $type;
if(!$self->_parse_c("typedef", \$_, \$line, \$column)) {
return 0;
}
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
$$reftype = $type;
return 1;
}
########################################################################
# parse_c_variable
sub parse_c_variable {
my $self = shift;
my $found_variable = \${$self->{FOUND_VARIABLE}};
my $refcurrent = shift;
my $refline = shift;
my $refcolumn = shift;
my $reflinkage = shift;
my $reftype = shift;
my $refname = shift;
local $_ = $$refcurrent;
my $line = $$refline;
my $column = $$refcolumn;
$self->_parse_c_until_one_of("\\S", \$_, \$line, \$column);
my $begin_line = $line;
my $begin_column = $column + 1;
my $linkage = "";
my $type;
my $name;
$self->_parse_c("extern|static", \$_, \$line, \$column, \$linkage);
if(!$self->parse_c_type(\$_, \$line, \$column, \$type)) { return 0; }
if(!$self->_parse_c("\\w+", \$_, \$line, \$column, \$name)) { return 0; }
$$refcurrent = $_;
$$refline = $line;
$$refcolumn = $column;
$$reflinkage = $linkage;
$$reftype = $type;
$$refname = $name;
if(&$$found_variable($begin_line, $begin_column, $linkage, $type, $name))
{
# Nothing
}
return 1;
}
1;