src/tint/lang/wgsl/ast/call_expression.h

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#ifndef SRC_TINT_LANG_WGSL_AST_CALL_EXPRESSION_H_
#define SRC_TINT_LANG_WGSL_AST_CALL_EXPRESSION_H_

#include "src/tint/lang/wgsl/ast/expression.h"
#include "src/tint/utils/containers/vector.h"

// Forward declarations
namespace tint::ast {
class IdentifierExpression;
}  // namespace tint::ast

namespace tint::ast {

/// A call expression - represents either a:
/// * sem::Function
/// * sem::BuiltinFn
/// * sem::ValueConstructor
/// * sem::ValueConversion
class CallExpression final : public Castable<CallExpression, Expression> {
  public:
    /// Constructor
    /// @param pid the identifier of the program that owns this node
    /// @param nid the unique node identifier
    /// @param source the call expression source
    /// @param target the target of the call
    /// @param args the arguments
    CallExpression(GenerationID pid,
                   NodeID nid,
                   const Source& source,
                   const IdentifierExpression* target,
                   VectorRef<const Expression*> args);

    /// Destructor
    ~CallExpression() override;

    /// Clones this node and all transitive child nodes using the `CloneContext`
    /// `ctx`.
    /// @param ctx the clone context
    /// @return the newly cloned node
    const CallExpression* Clone(CloneContext& ctx) const override;

    /// The target function or type
    const IdentifierExpression* target;

    /// The arguments
    const tint::Vector<const Expression*, 8> args;
};

}  // namespace tint::ast

#endif  // SRC_TINT_LANG_WGSL_AST_CALL_EXPRESSION_H_