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

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This commit is contained in:
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
use constant {
BUILD_NAME => "PBot",
BUILD_REVISION => 736,
BUILD_REVISION => 737,
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 $arg{context};
if ($arg{context}
and $arg{context} ne 'do loop'
and $arg{context} ne 'case'
and $arg{context} ne 'function definition statement'
and $arg{context} ne 'function definition') {
and $arg{context} !~ /do loop/
and $arg{context} !~ /if statement/
and $arg{context} !~ /else block/
and $arg{context} !~ /case/
and $arg{context} !~ /function definition statement/
and $arg{context} !~ /function definition/) {
$return .= "End $arg{context}.\n";
}
1;
@ -327,7 +329,7 @@ for_increment:
expression[context => 'for increment statement']
selection_statement:
'if' <commit> '(' expression[context => 'if conditional'] ')' statement[context => 'if statement']
'if' <commit> '(' expression[context => 'if conditional'] ')' statement[context => "$arg{context}|if statement"]
{
if ($item{expression} =~ /^(\d+)$/) {
if ($1 == 0) {
@ -341,7 +343,7 @@ selection_statement:
}
$return .= "^L$item{statement}";
}
('else' statement[context => 'else block']
('else' statement[context => "$arg{context}|else block"]
{ $return = "Otherwise, ^L$item{statement}"; }
)(?)
{ $return .= join('',@{$item[-1]}); }
@ -353,7 +355,7 @@ selection_statement:
jump_statement:
'break' ';'
{
if ($arg{context} eq 'switch' or $arg{context} eq 'case') {
if ($arg{context} =~ /switch/ or $arg{context} =~ /case/) {
$return = "Exit switch block.\n";
} elsif (length $arg{context}) {
$return = "Break from the $arg{context}.\n";
@ -416,7 +418,7 @@ labeled_statement:
{
my $last = pop @{$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";
}
$return = "If it has the value $item[-2], ^L$statements$last";