src/visualizer/CSTVisualizer.cpp
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| 1 | // Copyright (c) 2021-2026 ChilliBits. All rights reserved. | ||
| 2 | |||
| 3 | #include "CSTVisualizer.h" | ||
| 4 | |||
| 5 | #include <util/CommonUtil.h> | ||
| 6 | #include <util/SaveAndRestore.h> | ||
| 7 | |||
| 8 | namespace spice::compiler { | ||
| 9 | |||
| 10 | 4271588 | std::string CSTVisualizer::buildRule(const antlr4::ParserRuleContext *ctx) { | |
| 11 |
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4271588 | std::stringstream result; |
| 12 | |||
| 13 | // Prepare strings | ||
| 14 |
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4271588 | const std::string codeLoc = tokenToCodeLoc(*ctx->start); |
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4271588 | const std::string ruleName = ruleNames[ctx->getRuleIndex()]; |
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4271588 | const std::string nodeId = codeLoc + "_" + ruleName; |
| 17 | |||
| 18 | // Build result | ||
| 19 |
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4271588 | result << nodeId << R"( [color="lightgreen",label=")" << ruleName << "\"];\n"; |
| 20 | |||
| 21 | // Save the current node id and restore it at the end of the scope | ||
| 22 |
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4271588 | SaveAndRestore restoreParentNodeId(parentNodeId); |
| 23 | |||
| 24 | // Link parent node with the current one | ||
| 25 |
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4271588 | if (!parentNodeId.empty()) |
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4269713 | result << getSpaces() << parentNodeId << " -> " << nodeId << ";\n"; |
| 27 |
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4271588 | parentNodeId = nodeId; // Set parentNodeId for children |
| 28 | |||
| 29 | // Visit all the children | ||
| 30 |
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14396525 | for (const auto &child : ctx->children) { |
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5853349 | result << getSpaces(); |
| 32 | |||
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5853349 | if (const auto token = dynamic_cast<antlr4::tree::TerminalNode *>(child)) { // Terminal node |
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1583636 | std::string terminalCodeLoc = tokenToCodeLoc(*token->getSymbol()); |
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1583636 | std::string terminalText = token->getText(); |
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6334544 | CommonUtil::replaceAll(terminalText, "\\", "\\\\"); |
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4750908 | CommonUtil::replaceAll(terminalText, "\"", "\\\""); |
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3167272 | std::string terminalName = std::string(vocabulary.getSymbolicName(token->getSymbol()->getType())) + ": " + terminalText; |
| 39 | |||
| 40 |
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1583636 | result << terminalCodeLoc << R"( [color="lightblue",label=")" << terminalName << "\"];\n"; |
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1583636 | result << getSpaces() << nodeId << " -> " << terminalCodeLoc << "\n"; |
| 42 | 1583636 | } else { // Non-terminal node | |
| 43 |
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4269713 | result << std::any_cast<std::string>(visit(child)); |
| 44 | } | ||
| 45 | } | ||
| 46 | |||
| 47 |
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8543176 | return result.str(); |
| 48 | 4271588 | } | |
| 49 | |||
| 50 | 11706698 | std::string CSTVisualizer::getSpaces() const { | |
| 51 | 11706698 | std::string spaces; | |
| 52 |
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23413396 | for (int i = 0; i < currentTabs; i++) |
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11706698 | spaces += " "; |
| 54 | 11706698 | return spaces; | |
| 55 | − | } // LCOV_EXCL_LINE - false positive | |
| 56 | |||
| 57 | 5855224 | std::string CSTVisualizer::tokenToCodeLoc(const antlr4::Token &token) { | |
| 58 |
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11710448 | return "L" + std::to_string(token.getLine()) + "C" + std::to_string(token.getCharPositionInLine()); |
| 59 | } | ||
| 60 | |||
| 61 | } // namespace spice::compiler | ||
| 62 |