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CGrammar: Improve if/else in switch block, and improve "Fall through to next case"

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Pragmatic Software 2014-07-17 18:51:29 +00:00
parent af8787797a
commit a59cc20128
2 changed files with 11 additions and 9 deletions
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2
PBot/VERSION.pm
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@ -13,7 +13,7 @@ use warnings;
# These are set automatically by the build/commit script # These are set automatically by the build/commit script
use constant { use constant {
BUILD_NAME => "PBot", BUILD_NAME => "PBot",
BUILD_REVISION => 736, BUILD_REVISION => 737,
BUILD_DATE => "2014-07-17", BUILD_DATE => "2014-07-17",
}; };

18
modules/c2english/CGrammar.pm
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@ -216,10 +216,12 @@ compound_statement:
$return .= "End block.\n" if not $arg{context}; $return .= "End block.\n" if not $arg{context};
if ($arg{context} if ($arg{context}
and $arg{context} ne 'do loop' and $arg{context} !~ /do loop/
and $arg{context} ne 'case' and $arg{context} !~ /if statement/
and $arg{context} ne 'function definition statement' and $arg{context} !~ /else block/
and $arg{context} ne 'function definition') { and $arg{context} !~ /case/
and $arg{context} !~ /function definition statement/
and $arg{context} !~ /function definition/) {
$return .= "End $arg{context}.\n"; $return .= "End $arg{context}.\n";
} }
1; 1;
@ -327,7 +329,7 @@ for_increment:
expression[context => 'for increment statement'] expression[context => 'for increment statement']
selection_statement: selection_statement:
'if' <commit> '(' expression[context => 'if conditional'] ')' statement[context => 'if statement'] 'if' <commit> '(' expression[context => 'if conditional'] ')' statement[context => "$arg{context}|if statement"]
{ {
if ($item{expression} =~ /^(\d+)$/) { if ($item{expression} =~ /^(\d+)$/) {
if ($1 == 0) { if ($1 == 0) {
@ -341,7 +343,7 @@ selection_statement:
} }
$return .= "^L$item{statement}"; $return .= "^L$item{statement}";
} }
('else' statement[context => 'else block'] ('else' statement[context => "$arg{context}|else block"]
{ $return = "Otherwise, ^L$item{statement}"; } { $return = "Otherwise, ^L$item{statement}"; }
)(?) )(?)
{ $return .= join('',@{$item[-1]}); } { $return .= join('',@{$item[-1]}); }
@ -353,7 +355,7 @@ selection_statement:
jump_statement: jump_statement:
'break' ';' 'break' ';'
{ {
if ($arg{context} eq 'switch' or $arg{context} eq 'case') { if ($arg{context} =~ /switch/ or $arg{context} =~ /case/) {
$return = "Exit switch block.\n"; $return = "Exit switch block.\n";
} elsif (length $arg{context}) { } elsif (length $arg{context}) {
$return = "Break from the $arg{context}.\n"; $return = "Break from the $arg{context}.\n";
@ -416,7 +418,7 @@ labeled_statement:
{ {
my $last = pop @{$item[-1]}; my $last = pop @{$item[-1]};
my $statements = join('', @{$item[-1]}); my $statements = join('', @{$item[-1]});
if (length $statements and $statements !~ /Exit switch block/) { if (length $statements and $statements !~ /Exit switch block\.\s*$/) {
$statements .= "Fall through to the next case.\n"; $statements .= "Fall through to the next case.\n";
} }
$return = "If it has the value $item[-2], ^L$statements$last"; $return = "If it has the value $item[-2], ^L$statements$last";