greybel-languageserver-core/dist/helper/folding-range-builder.js

Core functionality of language server for GreyScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.buildFoldingRanges = void 0;
const miniscript_core_1 = require("miniscript-core");
const vscode_languageserver_1 = require("vscode-languageserver");
const ast_scraper_1 = require("./ast-scraper");
function buildFoldingRanges(item) {
    const ranges = [];
    const walker = new ast_scraper_1.ScraperWalker((item, level) => {
        if (item.start.line === item.end.line)
            return null;
        switch (item.type) {
            case miniscript_core_1.ASTType.Comment:
                ranges.push({
                    startLine: item.start.line - 1,
                    endLine: item.end.line - 1,
                    kind: vscode_languageserver_1.FoldingRangeKind.Comment
                });
                return null;
            case miniscript_core_1.ASTType.MapConstructorExpression:
            case miniscript_core_1.ASTType.ListConstructorExpression:
            case miniscript_core_1.ASTType.StringLiteral:
            case miniscript_core_1.ASTType.WhileStatement:
            case miniscript_core_1.ASTType.ForGenericStatement:
            case miniscript_core_1.ASTType.FunctionDeclaration: {
                ranges.push({
                    startLine: item.start.line - 1,
                    endLine: item.end.line - 1,
                    kind: vscode_languageserver_1.FoldingRangeKind.Region
                });
                return null;
            }
            case miniscript_core_1.ASTType.IfClause:
            case miniscript_core_1.ASTType.ElseifClause:
            case miniscript_core_1.ASTType.ElseClause: {
                ranges.push({
                    startLine: item.start.line - 1,
                    endLine: item.end.line - 2,
                    kind: vscode_languageserver_1.FoldingRangeKind.Region
                });
                return null;
            }
        }
        return null;
    });
    walker.visit(item.parsedPayload);
    return ranges;
}
exports.buildFoldingRanges = buildFoldingRanges;
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