sun::debug::AstDotGenerator

class · Source (opens in a new tab)

class sun::debug::AstDotGenerator

Generates a Graphviz DOT graph from an AST tree.

Usage: AstDotGenerator gen; std::string dot = gen.generate(astRoot);

Public Functions

• generate

generate

public · function · Source (opens in a new tab)

std::string sun::debug::AstDotGenerator::generate(const ExprAST *root)

Generate DOT representation of the entire AST.

Related: ExprAST

Private Functions

• escapeLabel
• getNodeLabel
• visitChildren
• visitNode

escapeLabel

private · function · static · Source (opens in a new tab)

std::string sun::debug::AstDotGenerator::escapeLabel(const std::string &s)

Escape special characters for DOT labels.

getNodeLabel

private · function · Source (opens in a new tab)

std::string sun::debug::AstDotGenerator::getNodeLabel(const ExprAST *node)

Get a human-readable label for a node.

Related: ExprAST

visitChildren

private · function · Source (opens in a new tab)

void sun::debug::AstDotGenerator::visitChildren(const ExprAST *node, int parentId)

Visit children of a node and emit edges.

Related: ExprAST

visitNode

private · function · Source (opens in a new tab)

int sun::debug::AstDotGenerator::visitNode(const ExprAST *node)

Visit a node, assign it an ID, emit its label, and return its ID.

Related: ExprAST

Private Fields

• nodeCounter
• out

nodeCounter

private · variable · Source (opens in a new tab)

int sun::debug::AstDotGenerator::nodeCounter = 0

No documentation comment.

out

private · variable · Source (opens in a new tab)

std::stringstream sun::debug::AstDotGenerator::out

No documentation comment.