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SPEG_actions is now part of a visitor
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-96
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3 files changed

+97
-96
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‎.gitignore‎

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Original file line numberDiff line numberDiff line change
@@ -32,3 +32,4 @@ jspm_packages
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# IDE
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.idea/
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.vscode/

‎src/speg.js‎

Lines changed: 1 addition & 94 deletions
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,7 @@ var ex = require('./exceptions');
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function SPEG() {
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this.parser = new SPEG_parser();
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this.visitor = new SPEG_actions_visitor(new SPEG_actions());
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this.visitor = new SPEG_actions_visitor();
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this.speg_parser = null;
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}
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@@ -55,99 +55,6 @@ SPEG.prototype.parse = function(grammar, text) {
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}
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};
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function SPEG_actions() {}
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SPEG_actions.prototype.noop = function(node) {
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return node;
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};
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SPEG_actions.prototype.peg = function(node) {
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return node.children[3];
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};
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SPEG_actions.prototype.parsing_body = function(node) {
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node.children = node.children.map(function(child){
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return child.children[0];
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});
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return node;
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};
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SPEG_actions.prototype.parsing_rule = function(node) {
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var rule = node.children[4];
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return {
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name: node.children[0].match,
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parser: rule
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}
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};
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SPEG_actions.prototype.parsing_expression = function(node) {
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return node.children[0];
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};
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SPEG_actions.prototype.parsing_sequence = function(node) {
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var head = [node.children[0].children[0]];
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var tail = node.children[1].children.map(function(child){
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return child.children[1].children[0];
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});
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return rd.sequence(head.concat(tail));
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};
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SPEG_actions.prototype.parsing_ordered_choice = function(node) {
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var head = [node.children[0]];
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var tail = node.children[1].children.map(function(child){
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return child.children[3];
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});
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return rd.ordered_choice(head.concat(tail));
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};
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SPEG_actions.prototype.parsing_sub_expression = function(node) {
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return node.children[0];
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};
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SPEG_actions.prototype.parsing_group = function(node) {
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return node.children[2];
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};
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SPEG_actions.prototype.parsing_atomic_expression = function(node) {
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return node.children[0];
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};
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SPEG_actions.prototype.parsing_not_predicate = function(node) {
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return rd.not_predicate(node.children[1].children[0]);
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};
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SPEG_actions.prototype.parsing_and_predicate = function(node) {
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return rd.and_predicate(node.children[1].children[0]);
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};
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SPEG_actions.prototype.parsing_zero_or_more = function(node) {
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return rd.zero_or_more(node.children[0].children[0]);
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};
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SPEG_actions.prototype.parsing_one_or_more = function(node) {
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return rd.one_or_more(node.children[0].children[0]);
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};
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SPEG_actions.prototype.parsing_optional = function(node) {
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return rd.optional(node.children[0].children[0]);
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};
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SPEG_actions.prototype.parsing_string = function(node) {
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return rd.string(node.children[1].match);
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};
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SPEG_actions.prototype.parsing_regex_char = function(node) {
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return rd.regex_char(node.children[0].match);
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};
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SPEG_actions.prototype.parsing_rule_call = function(node) {
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return rd.call_rule_by_name(node.match);
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};
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SPEG_actions.prototype.parsing_end_of_file = function(node) {
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return rd.end_of_file();
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};
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module.exports = {
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SPEG: SPEG
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};

‎src/speg_visitor.js‎

Lines changed: 95 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -34,8 +34,8 @@ PEGJS_visitor.prototype.end_of_file = function(node) {
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return null;
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};
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function SPEG_actions_visitor(actions) {
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this.actions = actions;
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function SPEG_actions_visitor() {
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this.actions = new SPEG_actions();
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}
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SPEG_actions_visitor.prototype.visit = function(node) {
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if (node.children) {
@@ -49,6 +49,99 @@ SPEG_actions_visitor.prototype.visit = function(node) {
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return node;
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};
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function SPEG_actions() {}
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SPEG_actions.prototype.noop = function(node) {
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return node;
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};
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SPEG_actions.prototype.peg = function(node) {
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return node.children[3];
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};
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62+
SPEG_actions.prototype.parsing_body = function(node) {
63+
node.children = node.children.map(function(child){
64+
return child.children[0];
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});
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return node;
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};
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SPEG_actions.prototype.parsing_rule = function(node) {
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var rule = node.children[4];
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return {
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name: node.children[0].match,
73+
parser: rule
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}
75+
};
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SPEG_actions.prototype.parsing_expression = function(node) {
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return node.children[0];
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};
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SPEG_actions.prototype.parsing_sequence = function(node) {
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var head = [node.children[0].children[0]];
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var tail = node.children[1].children.map(function(child){
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return child.children[1].children[0];
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});
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return rd.sequence(head.concat(tail));
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};
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SPEG_actions.prototype.parsing_ordered_choice = function(node) {
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var head = [node.children[0]];
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var tail = node.children[1].children.map(function(child){
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return child.children[3];
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});
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return rd.ordered_choice(head.concat(tail));
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};
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SPEG_actions.prototype.parsing_sub_expression = function(node) {
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return node.children[0];
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};
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SPEG_actions.prototype.parsing_group = function(node) {
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return node.children[2];
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};
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SPEG_actions.prototype.parsing_atomic_expression = function(node) {
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return node.children[0];
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};
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SPEG_actions.prototype.parsing_not_predicate = function(node) {
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return rd.not_predicate(node.children[1].children[0]);
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};
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113+
SPEG_actions.prototype.parsing_and_predicate = function(node) {
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return rd.and_predicate(node.children[1].children[0]);
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};
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117+
SPEG_actions.prototype.parsing_zero_or_more = function(node) {
118+
return rd.zero_or_more(node.children[0].children[0]);
119+
};
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121+
SPEG_actions.prototype.parsing_one_or_more = function(node) {
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return rd.one_or_more(node.children[0].children[0]);
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};
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125+
SPEG_actions.prototype.parsing_optional = function(node) {
126+
return rd.optional(node.children[0].children[0]);
127+
};
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129+
SPEG_actions.prototype.parsing_string = function(node) {
130+
return rd.string(node.children[1].match);
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};
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133+
SPEG_actions.prototype.parsing_regex_char = function(node) {
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return rd.regex_char(node.children[0].match);
135+
};
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137+
SPEG_actions.prototype.parsing_rule_call = function(node) {
138+
return rd.call_rule_by_name(node.match);
139+
};
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SPEG_actions.prototype.parsing_end_of_file = function(node) {
142+
return rd.end_of_file();
143+
};
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module.exports = {
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SPEG_actions_visitor: SPEG_actions_visitor,
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PEGJS_visitor: PEGJS_visitor

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