Add support for "or terminate" in select statements
This commit is contained in:
Emmanuel Briot
parent
d6ea15a3e0
commit
d52ba823fa
43
grammar.js
43
grammar.js
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@ -579,7 +579,7 @@ module.exports = grammar({
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),
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),
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),
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actual_parameter_part: $ => seq(
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actual_parameter_part: $ => seq( // ARM 6.4
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'(',
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choice(
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comma_separated_list_of($.parameter_association),
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@ -1355,7 +1355,7 @@ module.exports = grammar({
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$.exception_handler,
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$.pragma_g,
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)),
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formal_part: $ => seq(
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formal_part: $ => seq( // ARM 6.1
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'(',
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$._parameter_specification_list,
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')',
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@ -1945,15 +1945,10 @@ module.exports = grammar({
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$.access_definition,
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),
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),
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// In general, we do not need a separate node in the tree for the
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// sequence of statements, except when queries might make use of that.
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_sequence_of_statements: $ => prec.left(seq(
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repeat1($.statement),
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repeat($.label),
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)),
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// sequence_of_statements_as_node: $ => $.sequence_of_statements,
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_simple_statement: $ => choice(
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$.null_statement,
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$.assignment_statement,
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@ -2041,24 +2036,36 @@ module.exports = grammar({
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field('condition', $.expression),
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'=>',
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),
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_guard_select: $ => seq(
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$.guard,
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$._select_alternative,
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select_alternative: $ => choice( // ARM 9.7.1
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$.accept_alternative,
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$.delay_alternative,
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$.terminate_alternative,
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),
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_select_alternative: $ => seq(
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accept_alternative: $ => seq( // ARM 9.7.1
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$.accept_statement,
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optional($._sequence_of_statements),
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),
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selective_accept: $ => seq(
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delay_alternative: $ => seq( // ARM 9.7.1
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$._delay_statement,
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optional($._sequence_of_statements),
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),
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terminate_alternative: $ => seq( // ARM 9.7.1
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reservedWord("terminate"),
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';',
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),
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selective_accept: $ => seq( // ARM 9.7.1
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reservedWord('select'),
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list_of(reservedWord('or'), $._guard_select),
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list_of(reservedWord('or'), seq(
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optional($.guard),
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$.select_alternative,
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)),
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optional(seq(
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reservedWord('else'),
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$._sequence_of_statements,
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)),
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reservedWord('end'),
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reservedWord('select'),
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reservedWord(';'),
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';',
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),
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abort_statement: $ => seq(
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reservedWord('abort'),
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@ -2074,20 +2081,20 @@ module.exports = grammar({
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)),
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';',
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),
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accept_statement: $ => seq(
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accept_statement: $ => seq( // ARM 9.5.2
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reservedWord('accept'),
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$.identifier,
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field('entry_direct_name', $.identifier),
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optional(seq(
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'(',
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field('entry_index', $.expression),
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')',
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)),
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field('parameter_profile', optional($.formal_part)),
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optional(field('parameter_profile', $.formal_part)),
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optional(seq(
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reservedWord('do'),
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$.handled_sequence_of_statements,
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reservedWord('end'),
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optional($.identifier),
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optional(field('entry_identifier', $.identifier)),
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)),
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';',
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),
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@ -25,6 +25,7 @@
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"out"
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"pragma"
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"renames"
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"terminate"
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"when"
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] @keyword
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[
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107
src/grammar.json
107
src/grammar.json
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@ -12604,20 +12604,24 @@
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}
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]
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},
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"_guard_select": {
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"type": "SEQ",
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"select_alternative": {
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"type": "CHOICE",
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"members": [
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{
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"type": "SYMBOL",
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"name": "guard"
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"name": "accept_alternative"
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},
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{
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"type": "SYMBOL",
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"name": "_select_alternative"
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"name": "delay_alternative"
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},
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{
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"type": "SYMBOL",
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"name": "terminate_alternative"
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}
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]
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},
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"_select_alternative": {
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"accept_alternative": {
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"type": "SEQ",
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"members": [
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{
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@ -12638,6 +12642,31 @@
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}
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]
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},
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"terminate_alternative": {
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"type": "SEQ",
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"members": [
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{
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"type": "ALIAS",
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"content": {
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"type": "TOKEN",
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"content": {
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"type": "PREC",
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"value": 2,
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"content": {
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"type": "PATTERN",
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"value": "[tT][eE][rR][mM][iI][nN][aA][tT][eE]"
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}
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}
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},
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"named": false,
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"value": "terminate"
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},
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{
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"type": "STRING",
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"value": ";"
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}
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]
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},
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"selective_accept": {
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"type": "SEQ",
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"members": [
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@ -12659,10 +12688,27 @@
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},
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{
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"type": "SEQ",
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"members": [
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{
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"type": "SEQ",
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"members": [
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{
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"type": "CHOICE",
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"members": [
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{
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"type": "SYMBOL",
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"name": "_guard_select"
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"name": "guard"
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},
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{
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"type": "BLANK"
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}
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]
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},
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{
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"type": "SYMBOL",
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"name": "select_alternative"
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}
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]
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},
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{
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"type": "REPEAT",
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@ -12685,9 +12731,26 @@
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"named": false,
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"value": "or"
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},
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{
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"type": "SEQ",
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"members": [
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{
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"type": "CHOICE",
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"members": [
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{
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"type": "SYMBOL",
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"name": "_guard_select"
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"name": "guard"
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},
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{
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"type": "BLANK"
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}
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]
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},
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{
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"type": "SYMBOL",
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"name": "select_alternative"
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}
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]
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}
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]
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}
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@ -12760,19 +12823,7 @@
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"value": "select"
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},
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{
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"type": "ALIAS",
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"content": {
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"type": "TOKEN",
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"content": {
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"type": "PREC",
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"value": 2,
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"content": {
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"type": "PATTERN",
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"value": "[;;]"
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}
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}
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},
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"named": false,
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"type": "STRING",
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"value": ";"
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}
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]
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@ -12925,8 +12976,12 @@
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"value": "accept"
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},
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{
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"type": "FIELD",
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"name": "entry_direct_name",
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"content": {
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"type": "SYMBOL",
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"name": "identifier"
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}
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},
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{
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"type": "CHOICE",
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@ -12958,20 +13013,20 @@
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]
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},
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{
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"type": "FIELD",
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"name": "parameter_profile",
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"content": {
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"type": "CHOICE",
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"members": [
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{
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"type": "FIELD",
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"name": "parameter_profile",
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"content": {
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"type": "SYMBOL",
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"name": "formal_part"
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}
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},
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{
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"type": "BLANK"
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}
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]
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}
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},
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{
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"type": "CHOICE",
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@ -13019,8 +13074,12 @@
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"type": "CHOICE",
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"members": [
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{
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"type": "FIELD",
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"name": "entry_identifier",
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"content": {
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"type": "SYMBOL",
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"name": "identifier"
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}
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},
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{
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"type": "BLANK"
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@ -54,10 +54,53 @@
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]
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}
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},
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{
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"type": "accept_alternative",
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"named": true,
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"fields": {},
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"children": {
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"multiple": true,
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"required": true,
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"types": [
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{
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"type": "accept_statement",
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"named": true
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},
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{
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"type": "label",
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"named": true
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},
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{
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"type": "statement",
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"named": true
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}
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]
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}
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},
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{
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"type": "accept_statement",
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"named": true,
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"fields": {
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"entry_direct_name": {
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"multiple": false,
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"required": true,
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"types": [
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{
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"type": "identifier",
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"named": true
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}
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]
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},
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"entry_identifier": {
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"multiple": false,
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"required": false,
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"types": [
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{
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"type": "identifier",
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"named": true
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}
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]
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},
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"entry_index": {
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"multiple": false,
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"required": false,
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@ -80,16 +123,12 @@
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}
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},
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"children": {
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"multiple": true,
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"required": true,
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"multiple": false,
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"required": false,
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"types": [
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{
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"type": "handled_sequence_of_statements",
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"named": true
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},
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{
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"type": "identifier",
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"named": true
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}
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]
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}
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@ -8225,6 +8264,29 @@
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]
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}
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},
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{
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"type": "select_alternative",
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"named": true,
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"fields": {},
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"children": {
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"multiple": false,
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"required": true,
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"types": [
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{
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"type": "accept_alternative",
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"named": true
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},
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{
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"type": "delay_alternative",
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"named": true
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},
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{
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"type": "terminate_alternative",
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"named": true
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}
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]
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}
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},
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{
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"type": "selected_component",
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"named": true,
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@ -8307,10 +8369,6 @@
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"multiple": true,
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"required": true,
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"types": [
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{
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"type": "accept_statement",
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"named": true
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},
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{
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"type": "guard",
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"named": true
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@ -8319,6 +8377,10 @@
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"type": "label",
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"named": true
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},
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{
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"type": "select_alternative",
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"named": true
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},
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{
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"type": "statement",
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"named": true
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@ -9399,6 +9461,11 @@
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]
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}
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},
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{
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"type": "terminate_alternative",
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"named": true,
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"fields": {}
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},
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{
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"type": "timed_entry_call",
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"named": true,
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@ -10082,6 +10149,10 @@
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"type": "task",
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"named": false
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},
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{
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"type": "terminate",
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"named": false
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},
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{
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"type": "then",
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"named": false
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61017
src/parser.c
61017
src/parser.c
File diff suppressed because it is too large
Load Diff
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@ -198,3 +198,53 @@ end;
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(statement
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(procedure_call_statement
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(identifier)))))
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================================================================================
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Accept
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================================================================================
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accept Start (A : Integer; B : Integer) do
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null;
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end Start;
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--------------------------------------------------------------------------------
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(compilation
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(compilation_unit
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(statement
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(accept_statement
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(identifier)
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(formal_part
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(parameter_specification
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(identifier)
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(identifier))
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(parameter_specification
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(identifier)
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(identifier)))
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(handled_sequence_of_statements
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(statement
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(null_statement)))
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(identifier)))))
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================================================================================
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Select terminate
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================================================================================
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select
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accept Start;
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or
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terminate;
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end select;
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--------------------------------------------------------------------------------
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(compilation
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(compilation_unit
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(statement
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(selective_accept
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(select_alternative
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(accept_alternative
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(accept_statement
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(identifier))))
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(select_alternative
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(terminate_alternative))))))
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Block a user