58 lines
2.5 KiB
C++
58 lines
2.5 KiB
C++
#pragma once
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// SyntaxHighlighterJavaScript.h helpers for SyntaxHighlighter.
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static void walkJavaScript(TSNode node, const std::string& source,
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std::vector<HighlightSpan>& spans) {
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if (ts_node_is_null(node)) return;
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std::string type = nodeType(node);
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std::string text = nodeText(node, source);
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bool descend = true;
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if (type.find("comment") != std::string::npos) {
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addSpan(spans, node, TokenCategory::Comment);
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descend = false;
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} else if (type == "string" || type == "string_fragment" || type == "template_string" ||
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type == "template_substitution") {
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addSpan(spans, node, TokenCategory::String);
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descend = false;
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} else if (type == "number" || type == "number_literal") {
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addSpan(spans, node, TokenCategory::Number);
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descend = false;
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} else if (type == "identifier" || type == "property_identifier") {
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TSNode parent = ts_node_parent(node);
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std::string parentType = ts_node_is_null(parent) ? "" : nodeType(parent);
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if (parentType == "function_declaration" || parentType == "method_definition") {
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addSpan(spans, node, TokenCategory::Function);
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} else {
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addSpan(spans, node, TokenCategory::Identifier);
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}
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descend = false;
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} else if (type == "true" || type == "false" || type == "null" || type == "undefined") {
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addSpan(spans, node, TokenCategory::Builtin);
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descend = false;
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} else if (!ts_node_is_named(node)) {
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if (isJsKeyword(text)) {
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addSpan(spans, node, TokenCategory::Keyword);
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} else if (text == "(" || text == ")" || text == "[" || text == "]" ||
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text == "{" || text == "}" || text == ";" || text == "," ||
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text == "." || text == ":" ) {
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addSpan(spans, node, TokenCategory::Punctuation);
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} else {
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addSpan(spans, node, TokenCategory::Operator);
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}
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descend = false;
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}
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if (descend) {
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uint32_t count = ts_node_child_count(node);
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for (uint32_t i = 0; i < count; ++i) {
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walkJavaScript(ts_node_child(node, i), source, spans);
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}
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}
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}
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static void walkTypeScript(TSNode node, const std::string& source,
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std::vector<HighlightSpan>& spans) {
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walkJavaScript(node, source, spans);
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}
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