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More Sieve parser improvements after doing 'if not' test

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djmaze 2021-01-14 16:38:26 +01:00
parent 2786d0d959
commit 0aafce4214
4 changed files with 153 additions and 130 deletions
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74
dev/Sieve/Parser.js
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@ -106,31 +106,32 @@ Sieve.parseScript = script => {
// new_command = new Sieve.Grammar.Command(value);
}
if (command instanceof Sieve.Commands.Conditional && !command.test) {
if (new_command instanceof Sieve.Grammar.TestList) {
levels.push(new_command);
if (new_command instanceof Sieve.Grammar.Test) {
if (command instanceof Sieve.Commands.Conditional || command instanceof Sieve.Tests.Not) {
// if/elsif/else new_command
// not new_command
command.test = new_command;
} else if (command.tests instanceof Sieve.Grammar.TestList) {
// allof/anyof .tests[] new_command
command.tests.push(new_command);
} else {
new_command = new Sieve.Grammar.Test(value);
error('Test not allowed here');
}
} else if (command) {
if (command.commands) {
command.commands.push(new_command);
} else {
console.dir(command);
error('commands not allowed');
}
command.test = new_command;
} else {
if (levels.length) {
let cmd = levels.last();
if (cmd instanceof Sieve.Grammar.TestList) {
cmd.push(new_command);
} else {
cmd.commands.push(new_command);
}
} else {
tree.push(new_command);
}
if (new_command instanceof Sieve.Commands.Conditional || new_command instanceof Sieve.Grammar.TestList) {
levels.push(new_command);
}
tree.push(new_command);
}
levels.push(new_command);
command = new_command;
break; }
// Arguments
case T_TAG:
command
? args.push(value.toLowerCase())
@ -157,6 +158,7 @@ Sieve.parseScript = script => {
: error('Number must be command argument');
break;
// Comments
case T_BRACKET_COMMENT:
(command ? command.commands : tree).push(
new Sieve.Grammar.BracketComment(value.substr(2, value.length-4))
@ -174,48 +176,52 @@ Sieve.parseScript = script => {
command || tree.push(value.trim());
break;
// Command end
case T_SEMICOLON:
command || error('Semicolon not at end of command');
pushArgs();
// levels.pop();
levels.pop();
command = levels.last();
break;
// Command block
case T_BLOCK_START:
pushArgs();
// https://tools.ietf.org/html/rfc5228#section-2.9
// Action commands do not take tests or blocks
levels.length || error('Block start not part of control command');
command || error('Block start not at end of command arguments');
pushArgs();
command = levels.last();
while (command && !(command instanceof Sieve.Commands.Conditional)) {
levels.pop();
command = levels.last();
}
command || error('Block start not part of control command');
break;
case T_BLOCK_END:
levels.length || error('Block end has no matching block start');
(command instanceof Sieve.Commands.Conditional) || error('Block end has no matching block start');
levels.pop();
command = levels.last();
break;
// anyof / allof
// anyof / allof ( ... , ... )
case T_LEFT_PARENTHESIS:
(levels.last() instanceof Sieve.Grammar.TestList)
|| error('Test start not part of test-list');
command || error('Not inside command');
pushArgs();
command = levels.last();
while (command && !(command.tests instanceof Sieve.Grammar.TestList)) {
levels.pop();
command = levels.last();
}
command || error('Test start not part of anyof/allof test');
break;
case T_RIGHT_PARENTHESIS:
(levels.last() instanceof Sieve.Grammar.TestList)
|| error('Test end not part of test-list');
pushArgs();
levels.pop();
command = levels.last();
(command.tests instanceof Sieve.Grammar.TestList) || error('Test end not part of test-list');
break;
case T_COMMA:
// Must be inside PARENTHESIS aka test-list
(levels.last() instanceof Sieve.Grammar.TestList)
|| error('Comma not part of test-list');
pushArgs();
levels.pop();
command = levels.last();
// Must be inside PARENTHESIS aka test-list
(command.tests instanceof Sieve.Grammar.TestList) || error('Comma not part of test-list');
break;
case T_UNKNOWN: