ast-gen.rb

asts = %w(translation_unit external_declaration function_definition_list argument_list argument declaration_statement_list declaration_statement statement_list statement parameter_list parameter identifier integer_literal character_literal expression)

%w(compound expression while if for return).each do |statement|
  asts.push(statement + '_statement')
end

%w(assign or and comparative additive multiplicative unary postfix function_call primary parentheses).each do |expression|
  asts.push(expression + '_expression')
end

asts.each do |ast|
  camelCase = ast.split('_').map{|exp| exp[0].upcase + exp.slice(1, exp.size) }
  upcase = ast.upcase

  File.open("#{ast}.hpp", "w+") do |f|
    body = <<"EOF"
#ifndef KMC_C89_COMPILER_AST_#{upcase}_HPP
#define KMC_C89_COMPILER_AST_#{upcase}_HPP

class AST#{camelCase.join('')} : public ASTBase {
};

#endif
EOF
    f.write(body)
  end

  File.open("#{ast}.cpp", "w+") do |f|
    body = <<"EOF"
#include "#{ast}.hpp"
EOF
    f.write(body)
  end
end